/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1424;
  --card:rgba(16,32,54,.55);
  --line:rgba(120,200,255,.14);
  --line-strong:rgba(33,230,182,.30);
  --primary:#21E6B6;
  --primary-2:#3FA9FF;
  --accent:#FFB020;
  --text-0:#EAF2FF;
  --text-1:#A9BCD4;
  --text-2:#6C819C;
  --ink:#04121A;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 8px 30px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.45);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --num:"Rajdhani","Inter",system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  --container:1200px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background:var(--bg-0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(720px 440px at 78% -6%,rgba(33,230,182,.16),transparent 70%),
    radial-gradient(640px 480px at 6% 10%,rgba(63,169,255,.12),transparent 72%),
    radial-gradient(520px 400px at 50% 106%,rgba(255,176,32,.07),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,200,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block}
a{color:inherit}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:100px 0;position:relative;z-index:1}
.section-alt{background:linear-gradient(180deg,rgba(5,8,15,0),rgba(10,20,36,.72) 18%,rgba(10,20,36,.72) 82%,rgba(5,8,15,0))}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:28px;line-height:1.4;font-weight:700;color:var(--text-0);letter-spacing:-.2px}
.sec-head h2::after{content:"";display:block;width:56px;height:3px;margin-top:14px;border-radius:3px;background:linear-gradient(135deg,var(--primary),var(--primary-2))}
.sec-head p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--text-1)}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head-center h2::after{margin-left:auto;margin-right:auto}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:22px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;padding:0 20px;
  transition:top .3s ease;
}
.dock{
  width:100%;max-width:1140px;
  display:flex;align-items:center;gap:16px;
  padding:12px 16px;
  border-radius:24px;
  background:rgba(10,20,36,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:padding .3s ease,background .3s ease,box-shadow .3s ease;
}
.dock.is-shrunk{padding:8px 14px;background:rgba(10,20,36,.6);box-shadow:0 10px 34px rgba(0,0,0,.45)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;
  font-family:var(--num);font-weight:700;font-size:15px;letter-spacing:.5px;
  color:var(--ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 18px rgba(33,230,182,.35);
}
.brand-text{font-size:15px;font-weight:700;color:var(--text-0);letter-spacing:.2px;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.dock-links a{
  display:block;padding:8px 15px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text-1);text-decoration:none;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-links a:hover{color:var(--text-0);background:rgba(33,230,182,.08)}
.dock-links a.active{color:var(--primary);background:rgba(33,230,182,.1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  display:flex;align-items:center;height:40px;padding:0 6px 0 14px;
  border-radius:var(--r-pill);background:rgba(5,8,15,.7);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.dock-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,230,182,.14)}
.dock-search input{
  width:132px;border:0;background:none;outline:none;color:var(--text-0);font-size:13px;
}
.dock-search input::placeholder{color:var(--text-2)}
.dock-search button{
  width:28px;height:28px;flex:0 0 auto;border:0;border-radius:50%;cursor:pointer;
  display:grid;place-items:center;color:var(--primary);background:rgba(33,230,182,.14);
  transition:background .2s ease;
}
.dock-search button:hover{background:rgba(33,230,182,.26)}
.burger{
  display:none;width:40px;height:40px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line);background:rgba(16,32,54,.6);color:var(--text-0);
  place-items:center;
}
.burger:hover{border-color:var(--line-strong);color:var(--primary)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;display:none;
  background:rgba(5,8,15,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  opacity:0;transition:opacity .2s ease;
}
.drawer.is-open{display:block;opacity:1}
.drawer-inner{padding:26px 22px;display:flex;flex-direction:column;gap:22px;height:100%}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line);background:rgba(16,32,54,.6);color:var(--text-0);
  font-size:22px;line-height:1;display:grid;place-items:center;
}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:14px 16px;border-radius:14px;text-decoration:none;font-size:16px;color:var(--text-1);
  border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(33,230,182,.1);color:var(--primary);border-color:var(--line-strong)}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;
  border:1px solid transparent;
  transition:filter .2s ease,transform .15s ease,box-shadow .25s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:13px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:var(--ink);box-shadow:0 8px 24px rgba(33,230,182,.24)}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-20deg);transition:left .5s ease;
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 10px 30px rgba(33,230,182,.36)}
.btn-primary:hover::after{left:120%}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:rgba(16,32,54,.5);border-color:var(--line);color:var(--text-0)}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(33,230,182,.08);color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 通用标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.3px;
  color:var(--accent);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.28);
}
.tag-cyan{color:var(--primary);background:rgba(33,230,182,.12);border-color:rgba(33,230,182,.3)}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-1);background:rgba(16,32,54,.6);border:1px solid var(--line);
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);display:inline-block}

/* ---------- Hero ---------- */
.hero{padding:150px 0 80px;position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4vw,44px);line-height:1.25;font-weight:800;letter-spacing:-.6px;color:var(--text-0);
}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;max-width:580px;font-size:16px;line-height:1.9;color:var(--text-1)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.hero-meta div{display:flex;flex-direction:column;gap:2px}
.hero-meta b{font-family:var(--num);font-size:24px;font-weight:700;color:var(--text-0);letter-spacing:.5px}
.hero-meta span{font-size:13px;color:var(--text-2)}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  aspect-ratio:16/11;background:linear-gradient(135deg,#0A1424,#05080F);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,8,15,.06),rgba(5,8,15,.62)),
    repeating-linear-gradient(0deg,rgba(120,200,255,.06) 0 1px,transparent 1px 44px),
    repeating-linear-gradient(90deg,rgba(120,200,255,.06) 0 1px,transparent 1px 44px);
}
.hero-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(5,8,15,.72);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.hero-float b{font-family:var(--num);font-size:20px;color:var(--primary);line-height:1}
.hero-float span{font-size:12px;color:var(--text-1)}

/* ---------- 胶囊目录 ---------- */
.pill-grid{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:var(--r-pill);text-decoration:none;
  font-size:14px;color:var(--text-1);
  background:rgba(16,32,54,.45);border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.pill b{font-family:var(--num);font-size:13px;color:var(--accent);font-weight:700}
.pill:hover{border-color:var(--line-strong);color:var(--primary);background:rgba(33,230,182,.08);transform:translateY(-2px)}

/* ---------- 卡片 ---------- */
.card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:3;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));opacity:.75;
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2),0 0 0 1px rgba(33,230,182,.28)}
.card-media{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#0A1424,#05080F)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--text-0)}
.card-body h3 a{text-decoration:none;color:inherit;transition:color .2s ease}
.card-body h3 a:hover{color:var(--primary)}
.card-desc{
  font-size:14px;line-height:1.8;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-2);
}
.card-link{color:var(--primary);text-decoration:none;font-weight:600;font-size:13px}
.card-link:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 精选马赛克 ---------- */
.mosaic{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.mosaic-side{display:grid;gap:24px;align-content:start}
.mcard-lead{grid-row:1 / span 2}
.mcard-lead .card-media{aspect-ratio:16/10}
.mosaic-side .card-media{aspect-ratio:16/9}

.rowlist{margin-top:30px;border-top:1px solid var(--line)}
.rowlist li{
  display:grid;grid-template-columns:104px 1fr auto;gap:20px;align-items:center;
  padding:18px 10px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rowlist li:hover{background:rgba(120,200,255,.04)}
.row-time{font-family:var(--num);font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.5px}
.row-main h3{font-size:16px;font-weight:600;color:var(--text-0);line-height:1.6}
.row-main a{text-decoration:none;color:inherit;transition:color .2s ease}
.row-main a:hover{color:var(--primary)}
.row-main p{margin-top:6px;font-size:13px;color:var(--text-2);line-height:1.7}
.row-go{font-size:13px;color:var(--primary);text-decoration:none;white-space:nowrap;font-weight:600}
.row-go:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card .card-media{aspect-ratio:16/9}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:64px 24px;border-radius:var(--r-card);
  border:1px dashed var(--line);background:rgba(16,32,54,.32);text-align:center;
}
.empty-state .ico{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(33,230,182,.1);border:1px solid var(--line-strong);color:var(--primary);
}
.empty-state p{font-size:15px;color:var(--text-1)}

/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat{
  padding:26px 22px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,border-color .22s ease;
}
.stat:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.stat b{display:block;font-family:var(--num);font-size:40px;line-height:1.1;font-weight:700;color:var(--text-0);letter-spacing:.5px}
.stat b span{font-size:20px;color:var(--primary);margin-left:2px}
.stat p{margin-top:10px;font-size:14px;color:var(--text-1)}
.stat small{display:block;margin-top:6px;font-size:12px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 6px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text-0);
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--primary)}
.faq summary::after{
  content:"";flex:0 0 auto;width:16px;height:16px;position:relative;
  background:
    linear-gradient(var(--primary),var(--primary)) center/16px 2px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/2px 16px no-repeat;
  transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:4px 6px 22px;font-size:15px;line-height:1.9;color:var(--text-1);background:transparent}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(10,20,36,.95),rgba(33,230,182,.1) 55%,rgba(63,169,255,.1));
  border:1px solid var(--line);
}
.cta-band h2{font-size:24px;line-height:1.5;font-weight:700;color:var(--text-0)}
.cta-band p{margin-top:10px;font-size:14px;color:var(--text-1);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:40px;padding:72px 0 32px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(5,8,15,0),rgba(10,20,36,.75));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.f-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:320px}
.f-title{font-size:14px;font-weight:700;color:var(--text-0);margin-bottom:16px;letter-spacing:.3px}
.f-list{display:flex;flex-direction:column;gap:11px}
.f-list a,.f-list span{font-size:14px;color:var(--text-2);text-decoration:none;transition:color .2s ease}
.f-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  margin-top:52px;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:13px;color:var(--text-2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 20px}
  .dock-links a{padding:8px 12px;font-size:13px}
  .dock-search input{width:110px}
}
@media (max-width:1024px){
  .section{padding:84px 0}
  .hero{padding:136px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-visual{aspect-ratio:16/10}
  .mosaic{grid-template-columns:1fr}
  .mcard-lead{grid-row:auto}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dock-search{display:none}
}
@media (max-width:768px){
  .dock-wrap{top:auto;bottom:16px;padding:0 14px}
  .dock{border-radius:22px;padding:10px 12px;gap:10px}
  .dock.is-shrunk{padding:10px 12px}
  .dock-links{display:none}
  .dock-actions{margin-left:auto}
  .dock-actions .btn{display:none}
  .burger{display:grid}
  body{padding-bottom:86px}
  .section{padding:68px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:22px}
  .hero{padding:120px 0 52px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-meta{gap:22px}
  .hero-meta b{font-size:21px}
  .btn{height:44px;padding:0 18px}
  .hero-cta .btn{flex:1 1 46%}
  .rowlist li{grid-template-columns:80px 1fr;row-gap:8px}
  .row-go{grid-column:2;justify-self:start}
  .cta-band{padding:32px 22px;border-radius:20px}
  .cta-band h2{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;margin-top:36px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .sec-head h2{font-size:20px}
  .brand-text{font-size:13px;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .news-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .stat b{font-size:34px}
  .hero-meta{gap:16px}
  .hero-meta div{min-width:88px}
  .card-body{padding:16px}
  .rowlist li{grid-template-columns:1fr;gap:6px}
  .row-go{grid-column:1}
  .pill{padding:9px 14px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1424;
  --glass:rgba(16,32,54,.55);
  --line:rgba(120,200,255,.14);
  --primary:#21E6B6;
  --primary-2:#3FA9FF;
  --accent:#FFB020;
  --text-0:#EAF2FF;
  --text-1:#A9BCD4;
  --text-2:#6C819C;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(33,230,182,.10), transparent 62%),
    radial-gradient(820px 560px at 94% 2%, rgba(63,169,255,.10), transparent 64%),
    var(--bg-0);
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(120,200,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,200,255,.045) 1px, transparent 1px);
  background-size:68px 68px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text-0);line-height:1.32;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
main{position:relative;z-index:1;}

/* ---------- 悬浮 Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:22px;
  left:0;right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  padding:0 24px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;
  max-width:1200px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:24px;
  background:rgba(10,20,36,.72);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:padding .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}
.dock.scrolled{
  padding:6px 12px 6px 14px;
  background:rgba(10,20,36,.88);
  box-shadow:0 10px 34px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-family:Inter,system-ui,sans-serif;
  font-size:13px;font-weight:800;letter-spacing:.6px;
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(33,230,182,.28);
}
.brand-text{font-size:15px;font-weight:700;color:var(--text-0);white-space:nowrap;}
.dock-links{
  flex:1;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:2px;
  list-style:none;
}
.dock-links a{
  display:block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--text-1);
  transition:color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
  white-space:nowrap;
}
.dock-links a:hover{color:var(--text-0);background:rgba(33,230,182,.08);}
.dock-links a.active{
  color:var(--primary);
  background:rgba(33,230,182,.12);
  box-shadow:inset 0 0 0 1px rgba(33,230,182,.28);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none;}
.dock-search{
  display:flex;align-items:center;gap:6px;
  height:38px;
  padding:0 6px 0 14px;
  border-radius:var(--r-pill);
  background:rgba(5,8,15,.6);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.dock-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,230,182,.16);}
.dock-search input{
  width:126px;
  background:none;border:none;outline:none;
  font-size:13.5px;color:var(--text-0);
}
.dock-search input::placeholder{color:var(--text-2);}
.dock-search button{
  width:28px;height:28px;flex:none;
  display:grid;place-items:center;
  border:none;border-radius:50%;
  background:rgba(33,230,182,.14);
  color:var(--primary);
  cursor:pointer;
  transition:background .2s var(--ease);
}
.dock-search button:hover{background:rgba(33,230,182,.24);}
.burger{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(5,8,15,.6);
  color:var(--text-0);
  cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  overflow:hidden;
  transition:filter .22s var(--ease), box-shadow .22s var(--ease), transform .12s var(--ease), border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04121A;
  box-shadow:0 8px 24px rgba(33,230,182,.22);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 12px 32px rgba(33,230,182,.36);}
.btn-ghost{
  background:rgba(16,32,54,.5);
  border-color:var(--line);
  color:var(--text-0);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(33,230,182,.45);color:var(--primary);}
.btn:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn[disabled]{opacity:.4;pointer-events:none;}
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ---------- 通用板块头 ---------- */
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:28px;position:relative;padding-bottom:14px;}
.section-head h2::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:64px;height:3px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.8;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  color:var(--primary);
  background:rgba(33,230,182,.12);
  box-shadow:inset 0 0 0 1px rgba(33,230,182,.26);
}
.chip-accent{color:var(--accent);background:rgba(255,176,32,.12);box-shadow:inset 0 0 0 1px rgba(255,176,32,.3);}

/* ---------- 文章主体 ---------- */
.article-main{padding:132px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-2);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-1);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{
  padding-bottom:30px;
  margin-bottom:38px;
  border-bottom:1px solid var(--line);
}
.article-head .chip{margin-bottom:18px;}
.article-title{
  font-size:clamp(30px,4.2vw,44px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.2px;
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:20px;
  font-size:13.5px;
  color:var(--text-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta b{font-weight:600;color:var(--text-1);}
.article-layout{max-width:780px;margin:0 auto;}
.article-body{padding-bottom:8px;}
.article-body h2{
  font-size:24px;
  margin:2em 0 .8em;
  position:relative;
  padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;
  width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.article-body h3{font-size:19px;font-weight:600;margin:1.7em 0 .6em;}
.article-body p{font-size:16px;line-height:1.9;color:var(--text-1);margin:0 0 1.4em;}
.article-body strong{color:var(--text-0);}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-2);}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.4em;line-height:1.9;color:var(--text-1);}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  background:rgba(33,230,182,.06);
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em 0;width:100%;object-fit:cover;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:14.5px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;color:var(--text-1);white-space:nowrap;}
.article-body th{background:rgba(33,230,182,.08);color:var(--text-0);font-weight:600;}
.article-body code{
  padding:2px 6px;border-radius:6px;
  font-size:14px;color:var(--primary);
  background:rgba(120,200,255,.1);
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0;}

/* 空态 */
.empty-state{
  margin:40px 0 20px;
  padding:56px 28px;
  text-align:center;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 20px;
  display:grid;place-items:center;
  border-radius:16px;
  font-size:22px;font-weight:800;
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.empty-state h2{font-size:20px;margin-bottom:12px;}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:22px;}

/* ---------- 标签 + 收藏分享条 ---------- */
.article-foot{max-width:780px;margin:44px auto 0;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.tag-row .tag{
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-1);
  background:rgba(16,32,54,.5);
  border:1px solid var(--line);
  transition:color .2s var(--ease), border-color .2s var(--ease);
}
.tag-row .tag:hover{color:var(--primary);border-color:rgba(33,230,182,.4);}
.share-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:24px 26px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(120deg, rgba(63,169,255,.08), rgba(33,230,182,.10));
  backdrop-filter:blur(14px);
}
.share-bar h3{font-size:17px;margin-bottom:6px;}
.share-bar p{font-size:13.5px;color:var(--text-2);}
.share-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 相关推荐 ---------- */
.related{padding:96px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  position:relative;
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  overflow:hidden;
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.rel-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  opacity:.7;
}
.rel-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2),0 0 0 1px rgba(33,230,182,.3);
  border-color:rgba(33,230,182,.3);
}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.45;}
.rel-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;}
.rel-time{font-size:12.5px;color:var(--text-2);margin-top:auto;}

/* ---------- 返回入口 ---------- */
.back-entry{padding:96px 0 0;}
.back-card{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:32px 34px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:border-color .22s var(--ease), transform .22s var(--ease);
}
.back-card:hover{border-color:rgba(33,230,182,.32);transform:translateY(-2px);}
.back-card h2{font-size:20px;margin-bottom:8px;}
.back-card p{font-size:14px;color:var(--text-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:120px;
  border-top:1px solid var(--line);
  background:rgba(5,8,15,.62);
  padding:72px 0 30px;
  position:relative;
  z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.f-brand .brand{margin-bottom:18px;}
.f-brand p{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:340px;}
.f-title{font-size:15px;font-weight:600;color:var(--text-0);margin-bottom:18px;}
.f-list a,.f-list span{display:block;font-size:13.8px;color:var(--text-1);margin-bottom:11px;line-height:1.7;}
.f-list a{transition:color .2s var(--ease);}
.f-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.f-list span{color:var(--text-2);}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  margin-top:52px;padding-top:24px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;
  display:flex;flex-direction:column;
  padding:26px 22px 36px;
  background:rgba(5,8,15,.94);
  backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease), visibility .2s var(--ease);
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-close{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(16,32,54,.6);
  color:var(--text-0);
  font-size:20px;line-height:1;
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px;}
.drawer-nav a{
  padding:15px 16px;
  border-radius:14px;
  font-size:16px;font-weight:600;
  color:var(--text-1);
  border:1px solid transparent;
  transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{
  color:var(--primary);
  background:rgba(33,230,182,.1);
  border-color:rgba(33,230,182,.26);
}
.drawer-cta{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .dock-links a{padding:8px 11px;font-size:14px;}
  .dock-search input{width:104px;}
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .dock-search{display:none;}
}
@media (max-width:860px){
  .dock-links{display:none;}
  .burger{display:inline-flex;}
  .dock{justify-content:space-between;border-radius:20px;}
  .article-main{padding-top:118px;}
  .related{padding-top:72px;}
  .back-entry{padding-top:72px;}
  .site-footer{margin-top:84px;padding-top:56px;}
}
@media (max-width:768px){
  body{padding-bottom:94px;}
  .dock-wrap{top:auto;bottom:16px;padding:0 16px;}
  .dock{padding:8px 10px 8px 12px;gap:10px;border-radius:var(--r-pill);}
  .dock.scrolled{padding:8px 10px 8px 12px;}
  .dock .btn-sm{padding:0 14px;}
  .brand-text{font-size:13.5px;max-width:132px;overflow:hidden;text-overflow:ellipsis;}
  .container{padding:0 18px;}
  .section-head h2{font-size:22px;}
  .article-body p,.article-body ul,.article-body ol{font-size:15px;}
  .article-title{font-size:clamp(26px,7vw,32px);}
  .share-bar{padding:20px;flex-direction:column;align-items:flex-start;}
  .share-actions{width:100%;}
  .share-actions .btn{flex:1;}
  .back-card{padding:24px;}
}
@media (max-width:640px){
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .breadcrumb .current{max-width:100%;}
}
@media (max-width:420px){
  .container{padding:0 14px;}
  .brand-mark{width:30px;height:30px;font-size:12px;}
  .brand-text{font-size:12.5px;}
  .dock .btn-sm{height:34px;font-size:12.5px;padding:0 12px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1424;
  --card:rgba(16,32,54,.55);
  --line:rgba(120,200,255,.14);
  --line-strong:rgba(33,230,182,.30);
  --primary:#21E6B6;
  --primary-2:#3FA9FF;
  --accent:#FFB020;
  --text-0:#EAF2FF;
  --text-1:#A9BCD4;
  --text-2:#6C819C;
  --ink:#04121A;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-1:0 8px 30px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.45);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background:var(--bg-0);
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -6%, rgba(33,230,182,.11), transparent 62%),
    radial-gradient(820px 480px at 92% 6%, rgba(63,169,255,.10), transparent 64%),
    radial-gradient(760px 440px at 50% 112%, rgba(255,176,32,.06), transparent 62%),
    var(--bg-0);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.6;
  background-image:
    linear-gradient(rgba(120,200,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(1200px 760px at 50% 0%, #000, transparent 78%);
  mask-image:radial-gradient(1200px 760px at 50% 0%, #000, transparent 78%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-0);line-height:1.32;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:"Rajdhani","Inter",system-ui,sans-serif;font-weight:700;letter-spacing:.02em}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:22px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;padding:0 20px;pointer-events:none;
}
.dock{
  pointer-events:auto;width:100%;max-width:var(--container);
  display:flex;align-items:center;gap:20px;
  padding:12px 16px;border-radius:22px;
  background:rgba(10,20,36,.74);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:padding .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.dock-wrap.scrolled .dock{padding:8px 14px;background:rgba(10,20,36,.88);box-shadow:0 10px 34px rgba(0,0,0,.45)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--ink);font-family:"Rajdhani","Inter",sans-serif;font-weight:700;font-size:17px;letter-spacing:.04em;
  box-shadow:0 0 0 1px rgba(33,230,182,.35),0 6px 18px rgba(33,230,182,.20);
}
.brand-text{font-size:15px;font-weight:700;color:var(--text-0);white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.dock-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-1);white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.dock-links a:hover{color:var(--text-0);background:rgba(33,230,182,.08)}
.dock-links a.active{
  color:var(--primary);background:rgba(33,230,182,.12);border-color:rgba(33,230,182,.30);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  display:flex;align-items:center;gap:6px;height:40px;padding:0 12px;
  border:1px solid var(--line);border-radius:999px;background:rgba(5,8,15,.6);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.dock-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,230,182,.16)}
.dock-search input{
  width:132px;border:0;background:transparent;color:var(--text-0);font-size:13.5px;outline:none;
}
.dock-search input::placeholder{color:var(--text-2)}
.dock-search button{
  display:grid;place-items:center;width:26px;height:26px;border-radius:50%;
  color:var(--primary);transition:background-color .2s ease;
}
.dock-search button:hover{background:rgba(33,230,182,.14)}
.burger{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);color:var(--text-0)}
.burger:hover{border-color:var(--line-strong);color:var(--primary)}

/* ============ 按钮 ============ */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-sm{padding:10px 16px;font-size:13.5px;border-radius:10px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--ink);box-shadow:0 8px 24px rgba(33,230,182,.22);
}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-18deg);transition:left .55s ease;
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 12px 30px rgba(33,230,182,.34)}
.btn-primary:hover::after{left:120%}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(16,32,54,.55);border-color:var(--line);color:var(--text-0);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--primary);box-shadow:0 0 0 1px rgba(33,230,182,.22)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ Hero 大图封面 ============ */
.hero{padding:142px 0 0}
.hero-cover{
  position:relative;border-radius:26px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  min-height:540px;display:flex;align-items:flex-end;
}
.hero-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.02)}
.hero-cover::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(5,8,15,.94) 6%,rgba(5,8,15,.72) 46%,rgba(5,8,15,.30) 100%),
    linear-gradient(0deg,rgba(5,8,15,.92) 4%,transparent 62%);
}
.hero-cover::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(120,200,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-cover-body{position:relative;z-index:3;padding:56px 52px;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;font-size:12.5px;letter-spacing:.1em;
  color:var(--primary);background:rgba(33,230,182,.10);border:1px solid rgba(33,230,182,.28);
}
.hero h1{
  font-size:42px;font-weight:800;line-height:1.25;margin:18px 0 16px;color:#fff;
  letter-spacing:.01em;
}
.hero-sub{font-size:16.5px;color:var(--text-1);max-width:660px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
  font-size:13px;color:var(--text-1);background:rgba(16,32,54,.6);
  border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.tight{padding:76px 0}
.section-alt{background:linear-gradient(180deg,rgba(10,20,36,.72),rgba(5,8,15,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:46px}
.sec-head h2{font-size:28px;margin-top:16px}
.sec-head h2::after{
  content:"";display:block;width:56px;height:3px;border-radius:3px;margin-top:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.sec-sub{margin-top:16px;color:var(--text-1);font-size:15.5px}

/* ============ 交错图文 ============ */
.alt-row{
  display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;
  margin-bottom:64px;
}
.alt-row:last-child{margin-bottom:0}
.alt-row.reverse .alt-media{order:2}
.alt-row.reverse .alt-copy{order:1}
.alt-media{position:relative}
.alt-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line);
}
.alt-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);pointer-events:none;
  background:linear-gradient(160deg,rgba(33,230,182,.14),transparent 52%);
  box-shadow:inset 0 0 0 1px rgba(120,200,255,.12);
}
.alt-index{
  position:absolute;left:18px;top:18px;z-index:2;
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(5,8,15,.78);border:1px solid rgba(255,176,32,.4);
  color:var(--accent);font-size:16px;
}
.alt-copy .tagline{
  display:inline-block;font-size:12.5px;letter-spacing:.08em;color:var(--accent);
  padding:5px 11px;border-radius:999px;border:1px solid rgba(255,176,32,.28);
  background:rgba(255,176,32,.08);margin-bottom:14px;
}
.alt-copy h3{font-size:20px;margin-bottom:12px}
.alt-copy p{color:var(--text-1)}
.tick-list{margin-top:18px;display:grid;gap:10px}
.tick-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-1)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}

/* ============ 指标 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  position:relative;overflow:hidden;padding:26px 24px;border-radius:var(--radius-card);
  background:var(--card);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2),transparent);
}
.stat:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.stat-num{font-size:42px;line-height:1;color:var(--primary)}
.stat-num span{font-size:16px;color:var(--text-2);margin-left:6px;font-family:inherit;font-weight:600}
.stat-label{margin-top:12px;font-size:15px;color:var(--text-0);font-weight:600}
.stat-desc{margin-top:6px;font-size:13px;color:var(--text-2);line-height:1.7}

/* ============ 入口卡片 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  position:relative;display:flex;gap:20px;align-items:flex-start;
  padding:22px;border-radius:var(--radius-card);
  background:var(--card);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;border-radius:18px 18px 0 0;
  background:linear-gradient(90deg,var(--primary),var(--primary-2),transparent);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.card-thumb{flex:0 0 116px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line)}
.card-thumb img{width:116px;height:96px;object-fit:cover;transition:transform .22s ease}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body h3{font-size:17.5px;margin-bottom:8px}
.card-body p{font-size:14.5px;color:var(--text-1);margin-bottom:12px}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--primary)}
.card-link:hover{gap:10px;text-decoration:underline;text-underline-offset:3px}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{position:relative;padding:26px 22px;border-radius:var(--radius-card);background:rgba(10,20,36,.62);border:1px solid var(--line)}
.step::after{
  content:"";position:absolute;right:-14px;top:44px;width:12px;height:1px;background:var(--line);
}
.step:last-child::after{display:none}
.step-no{font-size:15px;color:var(--accent);letter-spacing:.1em}
.step h3{font-size:17px;margin:12px 0 10px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-list{max-width:880px;border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 4px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--text-0);transition:color .2s ease;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--primary)}
.faq-plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--primary);font-size:16px;line-height:1;
  transition:transform .25s ease;
}
.faq-list details[open] .faq-plus{transform:rotate(45deg)}
.faq-body{padding:4px 4px 22px;background:var(--bg-1);border-radius:0 0 12px 12px;padding-left:18px;padding-right:18px}
.faq-body p{font-size:15px;color:var(--text-1)}

/* ============ CTA 条 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:34px 38px;border-radius:22px;border:1px solid var(--line);
  background:
    linear-gradient(120deg,rgba(33,230,182,.11),rgba(63,169,255,.06) 62%,transparent),
    var(--bg-1);
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:23px;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--text-1);margin:0}
.cta-actions{display:flex;gap:14px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;padding:72px 0 32px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,20,36,.55),rgba(5,8,15,.9));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.f-brand .brand{margin-bottom:16px}
.f-brand p{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.8}
.f-title{font-size:14px;color:var(--text-0);margin-bottom:16px;letter-spacing:.04em}
.f-list{display:grid;gap:10px}
.f-list a,.f-list span{font-size:14px;color:var(--text-2)}
.f-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(5,8,15,.78);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:none;align-items:flex-end;padding:18px;
}
.drawer.open{display:flex}
.drawer-panel{
  width:100%;background:var(--bg-1);border:1px solid var(--line);border-radius:24px;
  padding:20px;display:grid;gap:8px;
  animation:drawerIn .2s ease;
}
@keyframes drawerIn{from{transform:translateY(14px);opacity:0}to{transform:translateY(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);color:var(--text-0);font-size:18px;line-height:1}
.drawer-link{padding:13px 14px;border-radius:12px;font-size:15px;color:var(--text-1);border:1px solid transparent}
.drawer-link:hover{background:rgba(33,230,182,.08);color:var(--text-0)}
.drawer-link.active{color:var(--primary);background:rgba(33,230,182,.12);border-color:rgba(33,230,182,.28)}
.drawer-cta{margin-top:8px;width:100%}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{max-width:1080px}
  .hero h1{font-size:38px}
}
@media (max-width:1024px){
  .dock-links{gap:2px}
  .dock-links a{padding:8px 10px;font-size:13.5px}
  .dock-search{display:none}
  .hero-cover{min-height:480px}
  .hero-cover-body{padding:44px 36px}
  .hero h1{font-size:34px}
  .alt-row{grid-template-columns:1fr;gap:28px}
  .alt-row.reverse .alt-media{order:1}
  .alt-row.reverse .alt-copy{order:2}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{padding-bottom:88px}
  .container{padding:0 18px}
  .dock-wrap{top:auto;bottom:14px;padding:0 14px}
  .dock{border-radius:999px;padding:9px 12px;gap:10px;background:rgba(10,20,36,.92)}
  .dock-wrap.scrolled .dock{padding:8px 12px}
  .dock-links{display:none}
  .dock-search{display:none}
  .burger{display:inline-flex}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:14px}
  .brand-text{font-size:12.5px}
  .dock-actions .btn-sm{padding:9px 12px;font-size:12.5px}
  .hero{padding:104px 0 0}
  .hero-cover{min-height:440px;border-radius:20px}
  .hero-cover-body{padding:30px 22px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .section,.section.tight{padding:64px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:22px}
  .card{flex-direction:column}
  .card-thumb,.card-thumb img{width:100%;flex:auto}
  .card-thumb img{height:170px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-actions{width:100%;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{font-size:12.5px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .stats{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .cta-actions .btn{width:100%}
  .alt-index{width:36px;height:36px;font-size:14px}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1424;
  --glass:rgba(16,32,54,.55);
  --line:rgba(120,200,255,.14);
  --line-glow:rgba(33,230,182,.30);
  --primary:#21E6B6;
  --primary-2:#3FA9FF;
  --accent:#FFB020;
  --text-0:#EAF2FF;
  --text-1:#A9BCD4;
  --text-2:#6C819C;
  --ink:#04121A;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-btn:12px;
  --r-dock:24px;
  --sh-1:0 8px 30px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45),0 0 0 1px rgba(33,230,182,.30);
  --ff:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --ff-num:"Rajdhani","Inter",system-ui,sans-serif;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.8;
  color:var(--text-0);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 10% -8%,rgba(33,230,182,.13),transparent 70%),
    radial-gradient(760px 480px at 92% 2%,rgba(63,169,255,.11),transparent 72%),
    linear-gradient(rgba(120,200,255,.035) 1px,transparent 1px) 0 0/100% 46px,
    linear-gradient(90deg,rgba(120,200,255,.035) 1px,transparent 1px) 0 0/46px 100%;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-0);text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
main{position:relative;z-index:1}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:22px;left:0;right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  padding:0 20px;
  transition:top .25s ease;
}
.dock{
  display:flex;
  align-items:center;
  gap:20px;
  width:100%;
  max-width:1200px;
  padding:12px 16px;
  border-radius:var(--r-dock);
  background:rgba(10,20,36,.74);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:padding .25s ease,max-width .25s ease,background .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled{
  padding:8px 14px;
  max-width:1128px;
  background:rgba(5,8,15,.62);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  font-family:var(--ff-num);
  font-size:13px;font-weight:700;letter-spacing:.5px;
  color:var(--ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 0 1px rgba(33,230,182,.30),0 6px 18px rgba(33,230,182,.22);
}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-links a{
  display:block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-1);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-links a:hover{color:var(--text-0);background:rgba(120,200,255,.08)}
.dock-links a.active{
  color:var(--ink);
  font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.dock-search{
  display:flex;align-items:center;
  height:40px;
  padding:0 6px 0 12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(5,8,15,.6);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.dock-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,230,182,.16)}
.dock-search input{
  width:150px;height:100%;
  background:none;border:0;outline:none;
  color:var(--text-0);
  font-size:13px;
  font-family:inherit;
}
.dock-search input::placeholder{color:var(--text-2)}
.dock-search button{
  width:28px;height:28px;
  display:grid;place-items:center;
  border:0;border-radius:8px;
  background:rgba(33,230,182,.14);
  color:var(--primary);
  cursor:pointer;
  transition:background .2s ease;
}
.dock-search button:hover{background:rgba(33,230,182,.26)}
.burger{
  display:none;
  width:40px;height:40px;
  place-items:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(16,32,54,.6);
  color:var(--text-0);
  cursor:pointer;
}
.burger:hover{border-color:var(--line-glow)}

/* ============ 按钮 ============ */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  overflow:hidden;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-primary{
  color:var(--ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 24px rgba(33,230,182,.26);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 12px 32px rgba(33,230,182,.42)}
.btn-primary::after{
  content:"";
  position:absolute;
  top:0;left:-60%;
  width:38%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);
  transition:left .5s ease;
}
.btn-primary:hover::after{left:120%}
.btn-ghost{
  color:var(--text-0);
  border-color:var(--line);
  background:rgba(16,32,54,.5);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--line-glow);background:rgba(33,230,182,.08)}
.btn:active{transform:translateY(1px)}
.btn.is-disabled,.btn[disabled]{opacity:.4;pointer-events:none}

/* ============ 窄幅 H1 横幅 ============ */
.page-banner{
  position:relative;
  padding:132px 0 48px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(5,8,15,.97) 26%,rgba(5,8,15,.74) 68%,rgba(5,8,15,.9)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
}
.page-banner::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(120,200,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.5;
}
.page-banner .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:16px}
.crumb a{color:var(--text-1)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{color:var(--text-2)}
.page-banner h1{
  font-size:clamp(28px,3.3vw,42px);
  font-weight:800;
  letter-spacing:.3px;
  max-width:900px;
  margin-bottom:14px;
}
.banner-sub{max-width:780px;color:var(--text-1);font-size:16px;margin:0 0 22px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(16,32,54,.5);
  font-size:13.5px;
  color:var(--text-1);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{color:var(--text-0);border-color:var(--line-glow);background:rgba(33,230,182,.1);transform:translateY(-2px)}

/* ============ 通用板块 ============ */
.section{position:relative;padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:740px;margin-bottom:44px}
.section-head h2{
  position:relative;
  font-size:28px;
  padding-bottom:14px;
  margin-bottom:14px;
}
.section-head h2::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:64px;height:3px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.section-head p{color:var(--text-1);font-size:15.5px;margin:0}
.tag{
  display:inline-block;
  padding:4px 12px;
  margin-bottom:12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  color:var(--accent);
  background:rgba(255,176,32,.12);
  border:1px solid rgba(255,176,32,.28);
}

/* ============ 编号轨道式列表 ============ */
.rail{border-top:1px solid var(--line)}
.rail-item{
  display:grid;
  grid-template-columns:132px 1fr;
  gap:28px;
  padding:34px 16px;
  margin:0 -16px;
  border-bottom:1px solid var(--line);
  border-radius:14px;
  transition:background .22s ease;
}
.rail-item:hover{background:rgba(120,200,255,.04)}
.rail-num{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.rail-num .num{
  font-family:var(--ff-num);
  font-size:44px;
  font-weight:700;
  line-height:1;
  letter-spacing:1px;
  color:var(--accent);
  transition:color .22s ease,text-shadow .22s ease;
}
.rail-item:hover .rail-num .num{color:var(--primary);text-shadow:0 0 18px rgba(33,230,182,.35)}
.rail-line{
  flex:1;
  width:2px;
  min-height:44px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(33,230,182,.55),rgba(63,169,255,.05));
}
.rail-body h3{font-size:20px;font-weight:600;margin-bottom:10px}
.rail-body p{color:var(--text-1);font-size:15.5px;margin-bottom:16px}
.rail-meta{display:flex;flex-wrap:wrap;gap:26px;margin-bottom:14px}
.rail-meta .k{font-size:13px;color:var(--text-2)}
.rail-meta .k b{
  font-family:var(--ff-num);
  font-size:22px;
  font-weight:600;
  color:var(--text-0);
  margin-right:6px;
}
.link-more{
  display:inline-block;
  font-size:14px;
  color:var(--primary);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{border-color:var(--primary)}

/* ============ 指标口径 图文 ============ */
.metrics-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.spec-list{margin-top:6px}
.spec-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-1);
}
.spec-list li::before{
  content:"";
  flex:none;
  width:8px;height:8px;
  margin-top:11px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,176,32,.12);
}
.spec-list li b{color:var(--text-0);font-weight:600}
.media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .4s ease}
.media:hover img{transform:scale(1.03)}
.media::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,200,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.08) 1px,transparent 1px);
  background-size:36px 36px;
  mix-blend-mode:overlay;
  pointer-events:none;
}
.media-cap{
  position:absolute;
  left:16px;right:16px;bottom:16px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(10px);
  font-size:13.5px;
  color:var(--text-1);
}

/* ============ 读表步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.step{position:relative}
.step .n{
  width:46px;height:46px;
  display:grid;place-items:center;
  margin-bottom:16px;
  border-radius:50%;
  font-family:var(--ff-num);
  font-size:19px;font-weight:700;
  color:var(--ink);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 22px rgba(33,230,182,.24);
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{color:var(--text-1);font-size:15px;margin:0}
.step::after{
  content:"";
  position:absolute;
  top:23px;left:64px;right:-16px;
  height:1px;
  background:linear-gradient(90deg,rgba(33,230,182,.45),rgba(33,230,182,0));
}
.step:last-child::after{display:none}

/* ============ 数据条 ============ */
.stats-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(33,230,182,.055),rgba(63,169,255,.03));
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stat b{
  display:block;
  font-family:var(--ff-num);
  font-size:46px;
  font-weight:700;
  line-height:1.1;
  color:var(--primary);
  letter-spacing:1px;
}
.stat span{display:block;font-size:13.5px;color:var(--text-2);margin-top:4px}

/* ============ FAQ ============ */
.faq{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:14px 4px;
  background:none;
  border:0;
  color:var(--text-0);
  font-size:16.5px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.plus{position:relative;flex:none;width:20px;height:20px;transition:transform .22s ease}
.plus::before,.plus::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.plus::before{left:0;top:9px;width:20px;height:2px}
.plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  border-radius:0 0 12px 12px;
  background:var(--bg-1);
  transition:max-height .26s ease;
}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{margin:0;padding:16px 20px;font-size:15px;color:var(--text-1)}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:34px 38px;
  border-radius:var(--r-dock);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(10,20,36,.9),rgba(33,230,182,.09) 58%,rgba(63,169,255,.09));
}
.cta-bar h2{font-size:24px;margin-bottom:6px}
.cta-bar p{margin:0;color:var(--text-1);font-size:15px}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:96px;
  padding:64px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,20,36,.62),rgba(5,8,15,.94));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.f-brand p{color:var(--text-2);font-size:14px;margin:14px 0 0;max-width:330px}
.f-title{font-size:15px;font-weight:600;margin-bottom:14px}
.f-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
.f-list a{color:var(--text-1)}
.f-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:0 30px;
  background:rgba(5,8,15,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  opacity:0;
  transform:translateY(-8px);
  pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.drawer.open{opacity:1;transform:none;pointer-events:auto}
.drawer a{
  padding:16px 2px;
  font-size:20px;
  font-weight:600;
  border-bottom:1px solid var(--line);
}
.drawer a.active{color:var(--primary)}
.drawer-close{
  position:absolute;
  top:24px;right:24px;
  width:44px;height:44px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(16,32,54,.6);
  color:var(--text-0);
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--line-glow)}

/* ============ 响应式 ============ */
@media (min-width:1441px){
  .container{max-width:1280px}
  .dock{max-width:1280px}
}
@media (max-width:1200px){
  .dock-search input{width:120px}
  .metrics-grid{gap:34px}
}
@media (max-width:1024px){
  .dock-links{display:none}
  .burger{display:grid}
  .section{padding:76px 0}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px}
  .f-brand{grid-column:1 / -1}
  .step::after{right:-10px}
}
@media (max-width:768px){
  body{padding-bottom:88px}
  .dock-wrap{top:auto;bottom:14px;padding:0 14px;justify-content:center}
  .dock{max-width:560px;padding:10px 14px;border-radius:22px;gap:12px}
  .dock.is-scrolled{max-width:560px;padding:10px 14px}
  .dock-search{display:none}
  .brand-text{font-size:13.5px}
  .page-banner{padding:96px 0 36px;background-position:center}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:22px}
  .rail-item{grid-template-columns:64px 1fr;gap:16px;padding:26px 10px;margin:0 -10px}
  .rail-num .num{font-size:32px}
  .rail-body h3{font-size:18px}
  .metrics-grid{grid-template-columns:1fr;gap:26px}
  .steps{grid-template-columns:1fr;gap:26px}
  .step::after{display:none}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat b{font-size:38px}
  .cta-bar{padding:26px 22px;border-radius:20px}
  .cta-bar h2{font-size:20px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .foot-bottom{font-size:12.5px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .page-banner h1{font-size:26px}
  .banner-sub{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat b{font-size:34px}
  .btn{height:44px;font-size:14.5px}
  .cta-btns .btn{flex:1 1 auto}
}
@media (max-width:420px){
  .brand-text{max-width:132px;overflow:hidden;text-overflow:ellipsis}
  .rail-item{grid-template-columns:1fr;gap:10px}
  .rail-line{display:none}
  .stats{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1424;
  --glass:rgba(16,32,54,.55);
  --glass-solid:rgba(13,26,44,.86);
  --line:rgba(120,200,255,.14);
  --line-strong:rgba(120,200,255,.28);
  --primary:#21E6B6;
  --primary-2:#3FA9FF;
  --accent:#FFB020;
  --text-0:#EAF2FF;
  --text-1:#A9BCD4;
  --text-2:#6C819C;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-btn:12px;
  --sh-1:0 8px 30px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45);
  --container:1200px;
  --gutter:24px;
  --font-cn:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Rajdhani","Oswald","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(33,230,182,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(63,169,255,.10), transparent 60%),
    radial-gradient(700px 500px at 60% 96%, rgba(255,176,32,.05), transparent 66%);
  background-attachment:fixed;
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,200,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,200,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 12%, rgba(0,0,0,.75), transparent 78%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3{color:var(--text-0);margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:1}
.wide{max-width:1280px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:24px;
  left:0;
  right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  padding:0 20px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;
  max-width:1220px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:12px 16px 12px 18px;
  border-radius:24px;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:padding .28s ease, background-color .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.dock.is-scrolled{
  padding:9px 14px 9px 16px;
  background:rgba(10,20,36,.72);
  box-shadow:var(--sh-2);
  border-color:var(--line-strong);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04121A;
  font-family:var(--font-num);
  font-weight:700;
  font-size:15px;
  letter-spacing:.5px;
  box-shadow:0 0 0 1px rgba(33,230,182,.35),0 6px 18px rgba(33,230,182,.22);
}
.brand-text{
  color:var(--text-0);
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1}
.dock-links a{
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-1);
  border:1px solid transparent;
  white-space:nowrap;
}
.dock-links a:hover{color:var(--text-0);background:rgba(33,230,182,.08);border-color:var(--line)}
.dock-links a.active{
  color:var(--primary);
  background:rgba(33,230,182,.10);
  border-color:rgba(33,230,182,.34);
  font-weight:600;
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-search{
  display:flex;align-items:center;
  height:38px;
  padding:0 6px 0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(5,8,15,.55);
  transition:border-color .22s ease, box-shadow .22s ease;
}
.dock-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,230,182,.16)}
.dock-search input{
  width:132px;
  border:0;background:none;outline:none;
  font-size:13px;color:var(--text-0);
}
.dock-search input::placeholder{color:var(--text-2)}
.dock-search button{
  width:28px;height:28px;display:grid;place-items:center;
  border-radius:50%;color:var(--text-1);
  transition:color .2s ease,background-color .2s ease;
}
.dock-search button:hover{color:#04121A;background:var(--primary)}
.burger{
  display:none;
  width:38px;height:38px;place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-0);
}
.burger:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  overflow:hidden;
  transition:transform .18s ease, filter .22s ease, box-shadow .22s ease, background-color .22s ease, border-color .22s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px}
.btn-primary{
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 0 1px rgba(33,230,182,.35),0 8px 24px rgba(33,230,182,.22);
}
.btn-primary::after{
  content:"";
  position:absolute;top:0;left:-60%;
  width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);
  transition:left .55s ease;
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(33,230,182,.55),0 12px 32px rgba(33,230,182,.34)}
.btn-primary:hover::after{left:120%}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--text-0);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:rgba(33,230,182,.5);color:var(--primary);box-shadow:0 0 0 1px rgba(33,230,182,.22)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 通用 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  letter-spacing:.3px;
  color:var(--primary);
  background:rgba(33,230,182,.10);
  border:1px solid rgba(33,230,182,.28);
}
.tag-accent{color:var(--accent);background:rgba(255,176,32,.10);border-color:rgba(255,176,32,.30)}
.tag-plain{color:var(--text-1);background:rgba(120,200,255,.07);border-color:var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:var(--text-2);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--primary),transparent)}
.sec{padding:104px 0;position:relative}
.sec-sm{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{
  font-size:28px;
  letter-spacing:.2px;
  position:relative;
  padding-bottom:16px;
  margin-bottom:16px;
}
.sec-head h2::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:64px;height:3px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.sec-head p{color:var(--text-1);font-size:15px;margin:0}
.card{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(33,230,182,.75),rgba(63,169,255,.55),transparent);
  opacity:.75;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2),0 0 0 1px rgba(33,230,182,.30);border-color:rgba(33,230,182,.30)}

/* ---------- Hero ---------- */
.hero{padding:170px 0 84px;position:relative}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:42px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:.4px;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:16.5px;
  color:var(--text-1);
  max-width:560px;
  margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-note{display:flex;flex-wrap:wrap;gap:10px}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.anchor-pills a{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;
  font-size:13px;
  border-radius:var(--r-pill);
  color:var(--text-1);
  border:1px solid var(--line);
  background:rgba(120,200,255,.05);
}
.anchor-pills a:hover{color:var(--primary);border-color:rgba(33,230,182,.45);background:rgba(33,230,182,.08)}
.hero-visual{position:relative}
.hero-figure{
  position:relative;
  border-radius:var(--r-img);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(120,200,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.07) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.hero-metrics{
  position:absolute;
  left:-24px;
  bottom:-28px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  width:calc(100% + 24px);
  max-width:420px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass-solid);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.hero-metrics div{
  padding:16px 14px;
  text-align:center;
  border-right:1px solid var(--line);
}
.hero-metrics div:last-child{border-right:0}
.hero-metrics b{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  line-height:1.1;
  color:var(--primary);
  letter-spacing:.5px;
}
.hero-metrics span{font-size:12px;color:var(--text-2)}

/* ---------- 非对称图片网格 ---------- */
.mosaic{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  grid-template-rows:repeat(2, minmax(200px, 1fr));
  gap:20px;
}
.mosaic-main{grid-column:1/2;grid-row:1/3}
.mosaic .card{display:flex;flex-direction:column}
.mosaic-main .m-figure{position:relative;flex:1;min-height:220px;overflow:hidden}
.mosaic-main figure{margin:0}
.m-cover{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .m-cover{transform:scale(1.03)}
.m-body{padding:20px 22px 22px}
.m-body h3{font-size:19px;margin-bottom:8px}
.m-body p{font-size:13.5px;color:var(--text-1);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.m-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:12.5px;color:var(--text-2)}
.m-meta a{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.m-meta a:hover{gap:8px}
.mosaic-small .m-figure{position:relative;height:120px;overflow:hidden}
.mosaic-small .m-body{padding:16px 18px 18px}
.mosaic-small .m-body h3{font-size:16px}
.mosaic-small .m-body p{font-size:13px}
.mosaic-main .m-body{padding:24px 26px 26px}
.mosaic-main .m-body h3{font-size:22px}

/* ---------- 操作路径 ---------- */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.step{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:28px;
  padding:28px 4px;
  border-bottom:1px solid var(--line);
  transition:background-color .22s ease;
}
.step:hover{background:rgba(120,200,255,.04)}
.step-num{
  font-family:var(--font-num);
  font-size:40px;
  line-height:1;
  color:var(--accent);
  letter-spacing:1px;
  opacity:.9;
}
.step-body h3{font-size:18px;margin-bottom:8px}
.step-body p{font-size:14.5px;color:var(--text-1);margin:0}
.step-body .tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ---------- 适配表 ---------- */
.table-scroll{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
thead th{
  text-align:left;
  padding:16px 22px;
  font-size:13px;
  letter-spacing:.6px;
  color:var(--text-2);
  font-weight:600;
  border-bottom:1px solid var(--line);
  background:rgba(10,20,36,.5);
}
tbody td{
  padding:16px 22px;
  border-bottom:1px solid var(--line);
  color:var(--text-1);
}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(120,200,255,.04)}
td .dot{display:inline-flex;align-items:center;gap:8px;color:var(--text-0)}
td .dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(33,230,182,.7)}
td .dot.warn::before{background:var(--accent);box-shadow:0 0 10px rgba(255,176,32,.7)}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat{
  padding:28px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  text-align:left;
  transition:border-color .22s ease, transform .22s ease;
}
.stat:hover{border-color:rgba(33,230,182,.3);transform:translateY(-2px)}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:40px;
  line-height:1.05;
  letter-spacing:1px;
  color:var(--primary);
  margin-bottom:8px;
}
.stat b i{font-style:normal;font-size:20px;color:var(--accent);margin-left:2px}
.stat span{font-size:13.5px;color:var(--text-1);display:block}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;
  padding:18px 4px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text-0);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex-shrink:0;
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--primary);
  font-size:18px;
  line-height:1;
  transition:transform .25s ease, border-color .25s ease;
}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary:hover::after{border-color:rgba(33,230,182,.5)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:4px 4px 24px;background:var(--bg-1);border-radius:0 0 12px 12px}
.faq-body p{color:var(--text-1);font-size:14.5px;padding:0 16px;max-width:900px}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(120deg, rgba(33,230,182,.08), rgba(63,169,255,.08) 60%, rgba(255,176,32,.05));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:24px;margin-bottom:10px}
.cta-band p{margin:0;font-size:14.5px;color:var(--text-1);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:rgba(8,16,30,.72);
  padding:64px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
}
.f-brand p{font-size:13.5px;color:var(--text-2);margin-top:16px;max-width:300px}
.f-title{font-size:14px;color:var(--text-0);margin-bottom:16px;letter-spacing:.4px}
.f-list{display:flex;flex-direction:column;gap:11px}
.f-list a,.f-list span{font-size:13.5px;color:var(--text-1)}
.f-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-2);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;
  transition:opacity .2s ease, visibility .2s ease;
}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;bottom:0;left:0;right:0;
  padding:24px 22px 34px;
  border-radius:24px 24px 0 0;
  border-top:1px solid var(--line-strong);
  background:var(--glass-solid);
  transform:translateY(100%);
  transition:transform .2s ease;
}
.drawer.open .drawer-panel{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:38px;height:38px;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--line);color:var(--text-0);
}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer-links a{
  padding:14px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(120,200,255,.04);
  font-size:15px;color:var(--text-1);
}
.drawer-links a.active{color:var(--primary);border-color:rgba(33,230,182,.4);background:rgba(33,230,182,.10)}
.drawer-search{display:flex;gap:10px}
.drawer-search input{
  flex:1;height:44px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(5,8,15,.6);
  outline:none;
  color:var(--text-0);
}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,230,182,.16)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-grid{gap:40px}
  .mosaic{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:1024px){
  :root{--gutter:20px}
  .dock-search{display:none}
  .hero{padding:150px 0 72px}
  .hero h1{font-size:36px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-metrics{position:static;width:100%;max-width:none;margin-top:22px;left:0;bottom:0}
  .mosaic{grid-template-columns:1fr 1fr;grid-template-rows:none}
  .mosaic-main{grid-column:1/3;grid-row:auto;min-height:340px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .dock-links{display:none}
  .dock-actions .btn{display:none}
  .burger{display:grid}
  .dock{max-width:640px;justify-content:space-between}
  .sec{padding:72px 0}
  .sec-head h2{font-size:22px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .step{grid-template-columns:1fr;gap:10px;padding:22px 2px}
  .step-num{font-size:30px}
  .cta-band{padding:28px 24px}
  .cta-band h2{font-size:20px}
}
@media (max-width:520px){
  .mosaic{grid-template-columns:1fr}
  .mosaic-main{grid-column:auto}
  .mosaic-small .m-figure{height:150px}
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:132px 0 60px}
  .hero h1{font-size:26px}
  .hero-metrics{grid-template-columns:1fr 1fr 1fr}
  .hero-metrics div{padding:12px 8px}
  .hero-metrics b{font-size:20px}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .cta-actions{width:100%}
}
@media (max-width:420px){
  :root{--gutter:16px}
  .brand-text{font-size:13.5px}
  .hero h1{font-size:24px}
  .sec{padding:60px 0}
}