/* roulang page: index */
:root{
  --bg:#060B14;
  --bg-2:#0B1424;
  --card:#101C31;
  --card-2:#16233A;
  --primary:#22D3C5;
  --primary-dim:rgba(34,211,197,.12);
  --second:#6E5BFF;
  --amber:#FFB23E;
  --success:#33D69F;
  --warn:#FF5C7A;
  --text:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(34,211,197,.30);
  --f-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-num:"Inter","DIN Alternate","DIN Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--primary);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}
::selection{background:rgba(34,211,197,.28);color:#fff;}

/* 装饰光带 */
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
.bg-arc{
  position:absolute;z-index:0;pointer-events:none;opacity:.07;
  border:1px solid var(--primary);border-radius:50%;
}
.arc-a{width:620px;height:620px;top:-260px;right:-200px;}
.arc-b{width:420px;height:420px;bottom:-200px;left:-160px;border-color:var(--second);}
.page{position:relative;z-index:1;}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-x:hover{transform:translateY(-1px);filter:brightness(1.06);}
.btn-x:active{transform:translateY(1px);}
.btn-x:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary-x{
  background:linear-gradient(135deg,var(--primary),var(--second));
  color:#04121A;box-shadow:var(--shadow-glow);
}
.btn-primary-x:hover{color:#04121A;box-shadow:0 12px 34px rgba(34,211,197,.42);}
.btn-ghost-x{
  background:transparent;color:var(--text);border-color:rgba(34,211,197,.55);
}
.btn-ghost-x:hover{color:var(--primary);border-color:var(--primary);background:rgba(34,211,197,.08);}
.btn-text-x{
  background:transparent;color:var(--primary);padding:12px 4px;
}
.btn-text-x:hover{color:var(--primary);filter:brightness(1.15);}
.btn-x[disabled],.btn-x.is-disabled{opacity:.4;pointer-events:none;}

/* 徽章 / 标签 */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.6;letter-spacing:.02em;
  border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text-2);
}
.pill-primary{color:var(--primary);border-color:rgba(34,211,197,.4);background:var(--primary-dim);}
.pill-second{color:#B7AEFF;border-color:rgba(110,91,255,.42);background:rgba(110,91,255,.14);}
.pill-amber{color:var(--amber);border-color:rgba(255,178,62,.4);background:rgba(255,178,62,.12);}

/* 顶部命令栏 */
.site-header{
  position:sticky;top:0;z-index:60;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-bar{
  height:68px;display:flex;align-items:center;gap:22px;
}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-brand .mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--second));
  display:flex;align-items:center;justify-content:center;
  color:#04121A;font-size:16px;font-weight:700;
  box-shadow:0 6px 18px rgba(34,211,197,.28);
}
.nav-brand .name{
  font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;
}
.nav-links{
  display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;
  overflow:hidden;
}
.nav-link{
  padding:9px 13px;border-radius:9px;font-size:14px;color:var(--text-2);
  white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--primary);background:var(--primary-dim);}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  height:38px;padding:0 10px 0 12px;width:236px;
  border-radius:10px;border:1px solid var(--border);
  background:rgba(255,255,255,.04);color:var(--text-3);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,211,197,.12);}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:13px;
}
.nav-search input::placeholder{color:var(--text-3);}
.kbd{
  font-family:var(--f-num);font-size:11px;padding:2px 6px;border-radius:6px;
  border:1px solid var(--border);color:var(--text-3);background:rgba(255,255,255,.05);
}
.nav-quick{font-size:14px;color:var(--text-2);}
.nav-quick:hover{color:var(--primary);}
.nav-cta{padding:10px 18px;font-size:14px;}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--border);background:rgba(255,255,255,.05);
  color:var(--text);align-items:center;justify-content:center;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);z-index:80;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s ease;
  padding:22px 22px 36px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,16,.66);z-index:70;opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text);}
.drawer .nav-link{display:block;padding:12px 14px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);border-radius:0;}
.drawer .nav-link.active{color:var(--primary);}
.drawer-search{margin:18px 0;}

/* Hero */
.hero{position:relative;padding:84px 0 72px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(760px 380px at 78% 8%,rgba(34,211,197,.14),transparent 70%),
    radial-gradient(620px 420px at 6% 82%,rgba(110,91,255,.14),transparent 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4vw,52px);font-weight:700;letter-spacing:-.01em;line-height:1.18;
  margin-bottom:20px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--primary),var(--second));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .sub{
  font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px;}
.hero-marks{display:flex;flex-wrap:wrap;gap:10px;}
.hero-visual{position:relative;}
.hero-photo{
  border-radius:var(--r-img);overflow:hidden;position:relative;
  border:1px solid var(--border);box-shadow:var(--shadow-card);
}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.1),rgba(6,11,20,.62));
}
.hero-photo img{width:100%;height:350px;object-fit:cover;}
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border);border-radius:var(--r-card);
}
.hero-card{
  position:absolute;left:-26px;bottom:-26px;width:270px;padding:18px 20px;
  box-shadow:var(--shadow-card);
}
.hero-card .t{font-size:13px;color:var(--text-3);margin-bottom:10px;}
.hero-card .row-line{display:flex;align-items:center;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px;}
.hero-card .row-line:last-child{border-bottom:0;}
.hero-card .row-line b{font-family:var(--f-num);font-variant-numeric:tabular-nums;color:var(--primary);font-weight:600;}
.hero-card-2{
  position:absolute;right:-14px;top:-20px;padding:12px 16px;font-size:12px;color:var(--text-2);
  display:flex;align-items:center;gap:8px;box-shadow:var(--shadow-card);
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(51,214,159,.16);}

/* 板块 */
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  font-size:13px;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:600;letter-spacing:-.01em;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;max-width:660px;}

/* KPI */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.kpi-card{
  position:relative;padding:26px 24px 22px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--border);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.kpi-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(110,91,255,.2));
}
.kpi-card:hover{transform:translateY(-3px);border-color:rgba(34,211,197,.4);}
.kpi-num{
  font-family:var(--f-num);font-variant-numeric:tabular-nums;
  font-size:36px;font-weight:700;line-height:1.1;color:var(--text);
}
.kpi-num .unit{font-size:14px;color:var(--primary);margin-left:4px;font-weight:600;}
.kpi-name{font-size:14px;color:var(--text-2);margin-top:8px;}
.kpi-note{font-size:12px;color:var(--text-3);margin-top:4px;}

/* 服务矩阵 */
.svc-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
.svc-main{
  border-radius:var(--r-card);border:1px solid var(--border);overflow:hidden;
  background:var(--card);box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease;
}
.svc-main:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.4);}
.svc-main .photo{position:relative;height:240px;overflow:hidden;}
.svc-main .photo img{width:100%;height:100%;object-fit:cover;}
.svc-main .photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.05),rgba(16,28,49,.94));}
.svc-main .body{padding:28px 30px 30px;}
.svc-main h3{font-size:22px;font-weight:600;margin:14px 0 12px;}
.svc-main p{color:var(--text-2);font-size:15px;}
.svc-list{margin-top:18px;display:grid;gap:10px;}
.svc-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.svc-list i{color:var(--primary);margin-top:6px;font-size:12px;}
.svc-side{display:grid;gap:20px;}
.svc-card{
  padding:22px 22px 24px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--border);
  box-shadow:var(--shadow-card);transition:transform .2s ease,border-color .2s ease;
}
.svc-card:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.4);}
.icon-block{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-dim);color:var(--primary);font-size:16px;margin-bottom:14px;
}
.icon-block.purple{background:rgba(110,91,255,.14);color:#B7AEFF;}
.icon-block.amber{background:rgba(255,178,62,.13);color:var(--amber);}
.svc-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.svc-card p{font-size:14px;color:var(--text-2);}
.card-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);margin-top:14px;}

/* 对比区 */
.cmp-wrap{
  display:grid;grid-template-columns:1fr 300px;gap:34px;align-items:start;
}
.cmp-card{
  padding:30px;border-radius:var(--r-card);background:var(--card);
  border:1px solid var(--border);box-shadow:var(--shadow-card);
}
.cmp-legend{display:flex;gap:20px;font-size:13px;color:var(--text-2);margin-bottom:22px;}
.legend-dot{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;}
.legend-dot.mine{background:var(--primary);}
.legend-dot.other{background:#31405A;}
.cmp-row{padding:14px 0;border-bottom:1px dashed var(--line);}
.cmp-row:last-child{border-bottom:0;}
.cmp-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:14px;margin-bottom:9px;}
.cmp-top .label{color:var(--text);}
.cmp-top .value{font-family:var(--f-num);font-variant-numeric:tabular-nums;color:var(--amber);font-size:14px;}
.bar{height:9px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:hidden;margin-bottom:7px;}
.bar-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),rgba(34,211,197,.5));}
.bar-fill.grey{background:#31405A;}
.cmp-side{
  padding:24px;border-radius:var(--r-card);background:var(--card-2);
  border:1px solid var(--border);box-shadow:var(--shadow-card);
}
.cmp-side h3{font-size:17px;font-weight:600;margin-bottom:14px;}
.cmp-side ul{display:grid;gap:12px;}
.cmp-side li{font-size:14px;color:var(--text-2);display:flex;gap:10px;}
.cmp-side li i{color:var(--primary);margin-top:6px;font-size:12px;}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;align-items:start;}
.news-lead{
  border-radius:var(--r-card);border:1px solid var(--border);overflow:hidden;
  background:var(--card);box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease;
}
.news-lead:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.4);}
.news-lead .photo{height:210px;overflow:hidden;position:relative;}
.news-lead .photo img{width:100%;height:100%;object-fit:cover;}
.news-lead .photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.06),rgba(16,28,49,.9));}
.news-lead .body{padding:24px 26px 28px;}
.news-lead h3{font-size:20px;font-weight:600;margin:14px 0 10px;line-height:1.5;}
.news-lead p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--text-3);margin-top:16px;}
.news-list{display:grid;gap:12px;}
.news-item{
  display:grid;grid-template-columns:86px 1fr;gap:16px;align-items:start;
  padding:18px 20px;border-radius:14px;background:var(--card);
  border:1px solid var(--border);transition:transform .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.4);}
.news-item .time{font-family:var(--f-num);font-variant-numeric:tabular-nums;font-size:12px;color:var(--text-3);}
.news-item h4{
  font-size:15px;font-weight:600;line-height:1.55;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item .sum{
  font-size:13px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  padding:52px 24px;text-align:center;border-radius:var(--r-card);
  border:1px dashed var(--border);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:26px;color:var(--text-3);margin-bottom:14px;display:block;}
.empty-state p{color:var(--text-2);font-size:14px;margin-bottom:18px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border-radius:16px;border:1px solid var(--border);background:var(--card);
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item.open{border-color:rgba(34,211,197,.42);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;color:var(--text);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;
}
.faq-item.open .faq-q{color:var(--primary);}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  border:1px solid var(--border);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:currentColor;transform:translate(-50%,-50%);
  transition:opacity .2s ease,transform .2s ease;
}
.faq-icon::before{width:10px;height:1.5px;}
.faq-icon::after{width:1.5px;height:10px;}
.faq-item.open .faq-icon{color:var(--primary);border-color:rgba(34,211,197,.45);}
.faq-item.open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a .inner{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.75;}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start;}
.form-card{
  padding:32px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--border);backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(6,11,20,.6);border:1px solid var(--border);color:var(--text);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,211,197,.12);}
.field textarea{min-height:110px;resize:vertical;}
.form-tip{font-size:12px;color:var(--text-3);margin-top:14px;}
.side-card{
  padding:28px;border-radius:var(--r-card);background:var(--card);
  border:1px solid var(--border);box-shadow:var(--shadow-card);
}
.side-card h3{font-size:19px;font-weight:600;margin-bottom:16px;}
.side-card ul{display:grid;gap:14px;margin-bottom:22px;}
.side-card li{font-size:14px;color:var(--text-2);display:flex;gap:10px;}
.side-card li i{color:var(--primary);margin-top:6px;font-size:12px;}
.contact-line{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);padding-top:16px;border-top:1px solid var(--line);}
.contact-line i{color:var(--primary);}

/* 页脚 */
.site-footer{
  background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:46px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .mark{
  width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--second));
  display:flex;align-items:center;justify-content:center;color:#04121A;font-weight:700;font-size:15px;
}
.foot-brand .name{font-size:16px;font-weight:700;}
.site-footer p{font-size:14px;color:var(--text-2);max-width:340px;}
.foot-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text);}
.foot-col ul{display:grid;gap:11px;}
.foot-col a,.foot-col span{font-size:14px;color:var(--text-2);transition:color .18s ease;}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:50;
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(16,28,49,.9);border:1px solid var(--border);color:var(--primary);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .2s ease;
  backdrop-filter:blur(10px);
}
.back-top.show{opacity:1;pointer-events:auto;}
.back-top:hover{transform:translateY(-2px);}

/* 响应式 */
@media (max-width:1200px){
  .nav-search{width:190px;}
  .hero-grid{gap:40px;}
}
@media (max-width:992px){
  .nav-links,.nav-search,.nav-quick{display:none;}
  .burger{display:flex;}
  .nav-cta{display:none;}
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-photo img{height:260px;}
  .hero-card{position:static;width:100%;margin-top:-16px;}
  .hero-card-2{display:none;}
  .kpi-row,.svc-grid,.cmp-wrap,.news-grid,.form-grid,.foot-grid{grid-template-columns:1fr;}
  .kpi-row{grid-auto-flow:column;grid-auto-columns:78%;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;}
  .kpi-card{scroll-snap-align:start;}
  .foot-grid{gap:28px;}
  .section{padding:64px 0;}
  .cmp-side,.side-card{margin-top:0;}
}
@media (max-width:576px){
  .wrap{padding:0 16px;}
  .section{padding:52px 0;}
  .hero h1{font-size:28px;}
  .kpi-num{font-size:30px;}
  .news-item{grid-template-columns:1fr;gap:8px;}
  .form-card,.svc-main .body,.cmp-card{padding:22px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --bg:#060B14;
  --bg-2:#0B1424;
  --card:#101C31;
  --card-2:#16233A;
  --primary:#22D3C5;
  --primary-dim:rgba(34,211,197,.12);
  --secondary:#6E5BFF;
  --accent:#FFB23E;
  --success:#33D69F;
  --danger:#FF5C7A;
  --text:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.10);
  --glass:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(34,211,197,.30);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 0%, #000 0%, transparent 72%);
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease, opacity .2s ease;}
a:hover{color:#5CE6DA;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;word-break:keep-all;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  padding:11px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, filter .22s ease;
  white-space:nowrap;
}
.btn-primary-x{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-primary-x:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 34px rgba(34,211,197,.42);color:#04121A;}
.btn-primary-x:active{transform:translateY(1px);}
.btn-ghost-x{
  background:transparent;
  border-color:rgba(34,211,197,.45);
  color:var(--primary);
}
.btn-ghost-x:hover{background:var(--primary-dim);transform:translateY(-1px);color:var(--primary);}
.btn-ghost-x:active{transform:translateY(1px);}
.btn-text-x{
  background:none;border:0;color:var(--text-2);padding:6px 0;font-size:15px;
}
.btn-text-x:hover{color:var(--primary);}
.btn-text-x i{transition:transform .2s ease;}
.btn-text-x:hover i{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  transition:background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-bar{display:flex;align-items:center;gap:20px;height:70px;}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.nav-brand:hover{color:var(--text);}
.nav-brand .mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#04121A;font-weight:800;font-size:16px;
  box-shadow:0 6px 18px rgba(34,211,197,.30);
}
.nav-brand .name{font-size:16px;font-weight:700;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  color:var(--text-2);font-size:14.5px;font-weight:500;
  padding:8px 13px;border-radius:10px;
  transition:color .2s ease, background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--primary);background:var(--primary-dim);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--border);
  border-radius:11px;
  padding:7px 10px 7px 12px;
  min-width:220px;
  transition:border-color .2s ease, background .2s ease;
  cursor:text;
}
.nav-search:hover{border-color:rgba(34,211,197,.4);}
.nav-search:focus-within{border-color:var(--primary);background:rgba(34,211,197,.06);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1;background:none;border:0;color:var(--text);font-size:13.5px;
  outline:none;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search .kbd{
  font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:5px;
  padding:1px 5px;line-height:1.5;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.nav-quick{font-size:14px;color:var(--text-2);white-space:nowrap;}
.nav-quick:hover{color:var(--primary);}
.nav-cta{padding:9px 18px;font-size:14px;}
.burger{
  display:none;background:rgba(255,255,255,.05);
  border:1px solid var(--border);border-radius:10px;
  color:var(--text);width:40px;height:38px;
  align-items:center;justify-content:center;cursor:pointer;
}
.burger:hover{border-color:rgba(34,211,197,.5);color:var(--primary);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(6,11,20,.96);
  backdrop-filter:blur(16px);
  padding:14px 0 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 4px;color:var(--text-2);
  border-bottom:1px solid var(--line);font-size:15px;
}
.mobile-drawer a.active{color:var(--primary);}
.mobile-drawer a:hover{color:var(--text);}
.mobile-drawer .m-search{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--border);
  border-radius:11px;padding:10px 12px;margin:14px 0 4px;
}
.mobile-drawer .m-search input{background:none;border:0;outline:none;color:var(--text);flex:1;font-size:14px;}

/* ---------- 面包屑 / 文章头 ---------- */
.page-top{padding:34px 0 8px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .cur{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:26px 0 6px;}
.article-head .tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px;}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;border-radius:999px;
  padding:7px 13px;font-weight:600;
  border:1px solid var(--border);
  background:rgba(255,255,255,.045);
  color:var(--text-2);
}
.badge-x.b-primary{color:var(--primary);border-color:rgba(34,211,197,.35);background:var(--primary-dim);}
.badge-x.b-violet{color:#B7ACFF;border-color:rgba(110,91,255,.35);background:rgba(110,91,255,.13);}
.badge-x.b-accent{color:var(--accent);border-color:rgba(255,178,62,.32);background:rgba(255,178,62,.12);}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.28;font-weight:700;
  letter-spacing:-.01em;color:#F3F7FC;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:20px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.meta-row .mi{display:inline-flex;align-items:center;gap:7px;}
.meta-row .mi i{color:var(--primary);font-size:12.5px;}
.meta-row .mi strong{color:var(--text-2);font-weight:500;}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 268px;
  gap:44px;
  align-items:start;
  padding:34px 0 0;
}
.article-main{min-width:0;}
.reading{
  max-width:768px;
  font-size:16.5px;
  line-height:1.78;
  color:#D3DCEA;
}
.reading p{margin:0 0 18px;}
.reading h2{
  font-size:clamp(21px,2.3vw,27px);
  font-weight:600;color:#F1F6FC;
  margin:40px 0 16px;padding-left:14px;
  border-left:3px solid var(--primary);
  line-height:1.45;
}
.reading h2:first-child{margin-top:6px;}
.reading h3{
  font-size:19.5px;font-weight:600;color:#EAF1FA;
  margin:30px 0 12px;
}
.reading h4{font-size:17px;font-weight:600;color:#E3EBF6;margin:22px 0 10px;}
.reading ul{margin:0 0 18px;padding-left:2px;}
.reading ul li{
  position:relative;padding-left:20px;margin-bottom:10px;color:#CBD6E6;
}
.reading ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 3px rgba(34,211,197,.14);
}
.reading ol{counter-reset:li;margin:0 0 18px;padding-left:2px;}
.reading ol li{position:relative;padding-left:30px;margin-bottom:10px;color:#CBD6E6;counter-increment:li;}
.reading ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:7px;
  display:grid;place-items:center;
  font-size:11.5px;font-weight:700;color:var(--primary);
  background:var(--primary-dim);
  border:1px solid rgba(34,211,197,.28);
}
.reading blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--primary);
  background:linear-gradient(160deg, rgba(34,211,197,.09), rgba(34,211,197,.02));
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:#DCE6F4;
}
.reading blockquote p:last-child{margin-bottom:0;}
.reading img{
  border-radius:var(--r-img);
  border:1px solid var(--border);
  margin:22px 0 8px;
  width:100%;
}
.reading figure{margin:24px 0;}
.reading figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:2px;
}
.reading a{border-bottom:1px solid rgba(34,211,197,.4);}
.reading a:hover{border-bottom-color:var(--primary);}
.reading table{
  width:100%;border-collapse:collapse;margin:22px 0;
  font-size:14.5px;display:block;overflow-x:auto;white-space:nowrap;
}
.reading table thead th{
  background:var(--card-2);
  color:#DDE7F5;
  font-weight:600;
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  text-align:left;
}
.reading table tbody td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  color:#C3CFE1;
}
.reading table tbody tr:hover td{background:rgba(255,255,255,.025);}
.reading hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.reading strong{color:#F0F5FC;font-weight:600;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  border-radius:var(--r-card);
  border:1px solid var(--border);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  padding:22px 20px;
}
.side-card h3{
  font-size:14px;font-weight:600;color:var(--text-2);
  letter-spacing:.04em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--primary);font-size:12.5px;}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--text-2);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li i{color:var(--primary);font-size:11px;margin-top:7px;}
.side-list li a{color:var(--text-2);}
.side-list li a:hover{color:var(--primary);}
.side-facts .fact{
  display:flex;justify-content:space-between;gap:10px;
  font-size:13.5px;padding:9px 0;border-bottom:1px dashed var(--line);
}
.side-facts .fact:last-child{border-bottom:0;}
.side-facts .fact span:first-child{color:var(--text-3);}
.side-facts .fact span:last-child{color:var(--text);font-weight:500;text-align:right;}
.side-cta{
  border-radius:var(--r-card);
  border:1px solid rgba(34,211,197,.28);
  background:linear-gradient(150deg, rgba(34,211,197,.13), rgba(110,91,255,.10));
  padding:22px 20px;
}
.side-cta p{font-size:13.5px;color:var(--text-2);margin:8px 0 16px;}
.side-cta h3{font-size:16px;color:#EAF3FB;font-weight:600;}
.side-cta .btn-x{width:100%;font-size:14px;padding:10px 16px;}

/* ---------- 空态 ---------- */
.empty-state{
  border-radius:var(--r-card);
  border:1px dashed var(--border);
  background:rgba(255,255,255,.02);
  padding:60px 28px;
  text-align:center;
}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:18px;display:block;}
.empty-state h2{font-size:20px;color:#EAF1FA;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0;}
.sec-head{margin-bottom:26px;}
.sec-head .eyebrow{
  font-size:12.5px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;font-weight:600;display:block;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);color:#F1F6FC;}
.sec-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  border-radius:var(--r-card);
  border:1px solid var(--border);
  background:var(--card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.4);box-shadow:0 22px 46px rgba(0,0,0,.5);}
.rel-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.85;}
.rel-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,11,20,.05), rgba(6,11,20,.72));
}
.rel-card .body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column;}
.rel-card h3{font-size:16.5px;line-height:1.55;color:#EAF1FA;margin:12px 0 10px;}
.rel-card p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:16px;}
.rel-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.rel-card .foot i{color:var(--primary);transition:transform .2s ease;}
.rel-card:hover .foot i{transform:translateX(3px);}

.back-bar{
  margin-top:44px;padding:20px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.back-bar p{font-size:14px;color:var(--text-2);}
.back-bar .acts{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- CTA 条 ---------- */
.cta-band{padding:80px 0 0;}
.cta-inner{
  border-radius:22px;
  border:1px solid rgba(34,211,197,.22);
  background:linear-gradient(135deg, rgba(34,211,197,.14), rgba(110,91,255,.12) 55%, rgba(6,11,20,.4));
  padding:46px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;right:-60px;top:-60px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle, rgba(34,211,197,.22), transparent 68%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(22px,2.5vw,30px);color:#F2F7FD;margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:560px;}
.cta-inner .acts{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(11,20,36,.7), rgba(6,11,20,.95));
  padding:62px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#04121A;font-weight:800;font-size:15px;
}
.foot-brand .name{font-size:16px;font-weight:700;color:#EAF1FA;}
.site-footer .foot-grid > div > p{font-size:14px;color:var(--text-2);max-width:340px;line-height:1.75;}
.foot-col h4{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--text-3);margin-bottom:16px;
}
.foot-col ul li{margin-bottom:11px;font-size:14px;color:var(--text-2);}
.foot-col ul li a{color:var(--text-2);}
.foot-col ul li a:hover{color:var(--primary);}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;
  background:rgba(16,28,49,.9);
  border:1px solid var(--border);
  color:var(--text-2);
  backdrop-filter:blur(10px);
  cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{color:var(--primary);border-color:rgba(34,211,197,.5);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .wrap{max-width:1240px;}
}
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:32px;}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:991px){
  .nav-links,.nav-search,.nav-quick{display:none;}
  .burger{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{position:static;margin-top:44px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .cta-inner{padding:36px 28px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .page-top{padding:24px 0 4px;}
  .article-head h1{font-size:26px;}
  .reading{font-size:16px;max-width:100%;}
  .reading h2{margin:32px 0 14px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .article-side{grid-template-columns:minmax(0,1fr);}
  .related{padding-top:56px;}
  .cta-band{padding-top:60px;}
  .site-footer{margin-top:64px;padding:46px 0 22px;}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .back-bar{padding:18px 18px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .nav-brand .name{font-size:14.5px;}
  .btn-x{padding:10px 16px;font-size:14px;}
  .cta-inner{padding:30px 20px;border-radius:18px;}
  .cta-inner .acts .btn-x{width:100%;}
  .article-head h1{font-size:23px;}
  .meta-row{gap:8px 16px;}
  .reading table{font-size:13.5px;}
}
@media (max-width:379px){
  .nav-brand .name{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}

/* roulang page: category1 */
:root{
  --bg:#060B14;
  --bg-2:#0B1424;
  --surface:#101C31;
  --surface-2:#16233A;
  --primary:#22D3C5;
  --primary-12:rgba(34,211,197,.12);
  --primary-30:rgba(34,211,197,.30);
  --violet:#6E5BFF;
  --amber:#FFB23E;
  --success:#33D69F;
  --danger:#FF5C7A;
  --text:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --stroke:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --r-input:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --glow:0 8px 28px rgba(34,211,197,.30);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Inter","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --max:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;word-break:keep-all;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}
@media (max-width:576px){.wrap{padding:0 16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.scrolled{
  background:rgba(6,11,20,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-bar{display:flex;align-items:center;gap:22px;height:70px;}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-brand .mark,.foot-brand .mark{
  width:34px;height:34px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:16px;color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 6px 18px rgba(34,211,197,.28);
}
.nav-brand .name{font-size:16.5px;font-weight:700;color:var(--text);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  padding:8px 13px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--primary);background:var(--primary-12);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 10px;width:230px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);border-radius:10px;
  color:var(--text-3);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary-30);box-shadow:0 0 0 4px rgba(34,211,197,.10);}
.nav-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  font-size:13.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.kbd{
  font-family:var(--mono);font-size:11px;line-height:1;
  padding:4px 6px;border-radius:6px;
  color:var(--text-2);background:rgba(255,255,255,.07);
  border:1px solid var(--stroke);
}
.nav-quick{font-size:13.5px;color:var(--text-2);white-space:nowrap;}
.nav-quick:hover{color:var(--primary);}
.nav-cta{white-space:nowrap;}
.burger{
  display:none;width:40px;height:40px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);border-radius:10px;
  color:var(--text);cursor:pointer;
}
.nav-icon-btn{
  display:none;width:40px;height:40px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);border-radius:10px;
  color:var(--text);cursor:pointer;
}
.mobile-search{
  display:none;padding:0 0 14px;
}
.mobile-search.open{display:block;}
.mobile-search .nav-search{width:100%;}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary-x{
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),#4FC8FF 55%,var(--violet));
  box-shadow:var(--glow);
}
.btn-primary-x:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 34px rgba(34,211,197,.38);color:#04121A;}
.btn-primary-x:active{transform:translateY(1px);}
.btn-ghost-x{
  color:var(--primary);background:transparent;border-color:var(--primary-30);
}
.btn-ghost-x:hover{background:var(--primary-12);transform:translateY(-1px);color:var(--primary);}
.btn-ghost-x:active{transform:translateY(1px);}
.btn-text-x{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-2);font-size:14px;font-weight:600;
}
.btn-text-x:hover{color:var(--primary);}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;line-height:1.4;
  color:var(--primary);background:var(--primary-12);
  border:1px solid rgba(34,211,197,.24);
}
.badge-x.violet{color:#BCB0FF;background:rgba(110,91,255,.14);border-color:rgba(110,91,255,.30);}
.badge-x.amber{color:var(--amber);background:rgba(255,178,62,.13);border-color:rgba(255,178,62,.28);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 68px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(11,20,36,.92),rgba(6,11,20,.98)),
    url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.28;
  pointer-events:none;
  -webkit-mask-image:radial-gradient(ellipse at 20% 10%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 20% 10%,#000 0%,transparent 72%);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,197,.16),transparent 66%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:48px;align-items:center;}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .cur{color:var(--text-3);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.page-hero h1{
  font-size:clamp(30px,4vw,48px);font-weight:700;line-height:1.22;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{color:var(--text-2);font-size:16.5px;max-width:44ch;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.glass-card{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:26px;
}
.hero-card h3{font-size:15px;color:var(--text-2);font-weight:600;margin-bottom:16px;letter-spacing:0;}
.hero-card .chk{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);}
.hero-card .chk:first-of-type{border-top:0;padding-top:0;}
.hero-card .chk i{color:var(--primary);margin-top:5px;font-size:14px;}
.hero-card .chk strong{display:block;font-size:15.5px;font-weight:600;}
.hero-card .chk span{font-size:13.5px;color:var(--text-3);}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:600;margin-bottom:14px;}
.sec-head p{color:var(--text-2);font-size:16px;}

/* ---------- flow list ---------- */
.flow-list{display:flex;flex-direction:column;gap:22px;}
.flow-item{
  display:grid;
  grid-template-columns:82px minmax(0,1fr) 280px;
  gap:28px;align-items:center;
  padding:26px 28px;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease;
}
.flow-item:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.40);}
.flow-item.rev{grid-template-columns:280px minmax(0,1fr) 82px;}
.flow-item.rev .flow-media{order:1;}
.flow-item.rev .flow-body{order:2;}
.flow-item.rev .flow-idx{order:3;}
.flow-idx{
  width:62px;height:62px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:22px;font-weight:700;color:var(--primary);
  background:var(--primary-12);
  border:1px solid rgba(34,211,197,.24);
}
.flow-body h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.flow-body p{color:var(--text-2);font-size:15px;margin-bottom:14px;}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;}
.flow-media img{
  width:100%;height:168px;object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--stroke);
  filter:saturate(.86) brightness(.92);
}

/* ---------- deviation list ---------- */
.dev-list{
  border:1px solid var(--stroke);border-radius:var(--r-card);
  background:var(--surface);overflow:hidden;
}
.dev-row{
  display:grid;grid-template-columns:230px minmax(0,1fr) 150px;
  gap:26px;align-items:center;
  padding:22px 28px;border-top:1px solid var(--line);
  transition:background .2s ease;
}
.dev-row:first-child{border-top:0;}
.dev-row:hover{background:rgba(255,255,255,.03);}
.dev-row .dev-name{font-size:16px;font-weight:600;display:flex;align-items:center;gap:10px;}
.dev-row .dev-name i{color:var(--amber);font-size:14px;}
.dev-row p{color:var(--text-2);font-size:14.5px;}
.dev-row .dev-act{font-size:13.5px;color:var(--primary);text-align:right;font-weight:600;}

/* ---------- method ---------- */
.method-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:24px;align-items:stretch;}
.method-main{
  position:relative;overflow:hidden;
  border-radius:var(--r-card);border:1px solid var(--stroke);
  background:var(--surface-2);
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
}
.method-main img{
  width:100%;height:260px;object-fit:cover;
  filter:saturate(.82) brightness(.86);
}
.method-main .mm-body{padding:26px 28px 30px;}
.method-main h3{font-size:21px;font-weight:600;margin-bottom:12px;}
.method-main p{color:var(--text-2);font-size:15px;}
.method-side{display:flex;flex-direction:column;gap:20px;}
.method-card{
  padding:22px 24px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--stroke);
  transition:transform .25s ease,border-color .25s ease;
}
.method-card:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.40);}
.method-card .ic{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-12);color:var(--primary);
  margin-bottom:14px;font-size:16px;
}
.method-card h4{font-size:17px;font-weight:600;margin-bottom:8px;}
.method-card p{color:var(--text-2);font-size:14.5px;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:960px;}
.faq-item{
  border:1px solid var(--stroke);border-radius:16px;
  background:var(--surface);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(34,211,197,.30);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--text);text-align:left;
}
.faq-q[aria-expanded="true"]{color:var(--primary);}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;color:currentColor;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.78;}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px;}
.rel-card{
  display:flex;flex-direction:column;
  padding:26px 26px 24px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.40);}
.rel-card .badge-x{align-self:flex-start;margin-bottom:16px;}
.rel-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.rel-card p{color:var(--text-2);font-size:14.5px;margin-bottom:18px;flex:1;}

/* ---------- cta ---------- */
.cta-bar{
  position:relative;overflow:hidden;
  border-radius:22px;
  padding:48px 46px;
  background:linear-gradient(135deg,rgba(34,211,197,.14),rgba(110,91,255,.14));
  border:1px solid rgba(34,211,197,.28);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
}
.cta-bar h2{font-size:clamp(22px,2.4vw,30px);font-weight:600;margin-bottom:12px;}
.cta-bar p{color:var(--text-2);font-size:15.5px;max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:72px 0 0;
  margin-top:96px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .name{font-size:16.5px;font-weight:700;}
.site-footer p{color:var(--text-2);font-size:14.5px;max-width:34ch;}
.foot-col h4{font-size:15px;font-weight:600;margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{color:var(--text-2);font-size:14px;}
.foot-col a:hover{color:var(--primary);}
.foot-col span{color:var(--text-3);font-size:14px;}
.foot-bottom{
  margin-top:56px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:900;
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(16,28,49,.92);
  border:1px solid var(--stroke);color:var(--primary);
  cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-2px);border-color:var(--primary-30);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .flow-item{grid-template-columns:72px minmax(0,1fr) 230px;gap:22px;}
  .flow-item.rev{grid-template-columns:230px minmax(0,1fr) 72px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .rel-grid .rel-card:first-child{grid-column:span 2;}
}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;top:70px;right:0;bottom:0;
    width:min(320px,86vw);
    flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:22px 18px;
    background:var(--bg-2);
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .3s ease;
    z-index:1100;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-link{padding:12px 14px;font-size:15.5px;}
  .nav-search{display:none;}
  .nav-quick{display:none;}
  .burger{display:inline-flex;}
  .nav-icon-btn{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .page-hero{padding:44px 0 56px;}
  .hero-sub{max-width:100%;}
  .section{padding:72px 0;}
  .method-grid{grid-template-columns:1fr;}
  .method-main img{height:220px;}
  .flow-item,
  .flow-item.rev{grid-template-columns:66px minmax(0,1fr);gap:18px;}
  .flow-item .flow-media,
  .flow-item.rev .flow-media{order:3;grid-column:1/-1;}
  .flow-item.rev .flow-body{order:2;}
  .flow-item.rev .flow-idx{order:1;}
  .flow-media img{height:190px;}
  .dev-row{grid-template-columns:1fr;gap:10px;padding:20px 22px;}
  .dev-row .dev-act{text-align:left;}
  .cta-bar{grid-template-columns:1fr;padding:36px 28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .sec-head{margin-bottom:32px;}
  .flow-item{padding:22px 20px;}
  .flow-body h3{font-size:18px;}
  .rel-grid{grid-template-columns:1fr;}
  .rel-grid .rel-card:first-child{grid-column:span 1;}
  .section{padding:56px 0;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .nav-brand .name{font-size:15px;}
  .nav-bar{height:64px;gap:12px;}
  .nav-links{top:64px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-x,.hero-actions .btn-text-x{width:100%;justify-content:center;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-x{width:100%;}
  .to-top{right:14px;bottom:18px;}
}

/* roulang page: category2 */
:root{
  --bg:#060B14;
  --bg-2:#0B1424;
  --card:#101C31;
  --card-2:#16233A;
  --brand:#22D3C5;
  --brand-2:#6E5BFF;
  --amber:#FFB23E;
  --ok:#33D69F;
  --warn:#FF5C7A;
  --text:#E8EEF7;
  --muted:#9FB0C7;
  --weak:#6C7C93;
  --line:rgba(255,255,255,.08);
  --stroke:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:14px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --glow:0 8px 28px rgba(34,211,197,.30);
  --wrap:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",system-ui,-apple-system,sans-serif;
  --num:"Inter","DIN Alternate","SFMono-Regular",ui-monospace,monospace;
}
*,
*::before,
*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#5CE7DC}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;word-break:keep-all}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .wrap{max-width:1320px}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:68px;
}
.nav-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:16.5px;
  white-space:nowrap;
  flex-shrink:0;
}
.nav-brand:hover{color:var(--text)}
.nav-brand .mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;
  font-weight:800;
  font-size:16px;
  box-shadow:0 6px 18px rgba(34,211,197,.28);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
  min-width:0;
}
.nav-link{
  position:relative;
  padding:9px 12px;
  border-radius:10px;
  color:var(--muted);
  font-size:14.5px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand);background:rgba(34,211,197,.10)}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(34,211,197,0));
}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--weak);
  font-size:13.5px;
  min-width:220px;
  transition:border-color .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:rgba(34,211,197,.55);background:rgba(34,211,197,.07)}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:13.5px;
  outline:none;
}
.nav-search input::placeholder{color:var(--weak)}
.nav-search .kbd{
  font-family:var(--num);
  font-size:11px;
  padding:2px 7px;
  border-radius:999px;
  border:1px solid var(--stroke);
  color:var(--muted);
  background:rgba(255,255,255,.04);
}
.nav-quick{
  color:var(--muted);
  font-size:14px;
  white-space:nowrap;
}
.nav-quick:hover{color:var(--brand)}
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn-primary-x{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;
  box-shadow:var(--glow);
}
.btn-primary-x:hover{
  color:#04121A;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 12px 34px rgba(34,211,197,.42);
}
.btn-primary-x:active{transform:translateY(1px) scale(.99)}
.btn-ghost-x{
  background:transparent;
  border-color:rgba(34,211,197,.45);
  color:var(--brand);
}
.btn-ghost-x:hover{
  color:var(--brand);
  background:rgba(34,211,197,.10);
  border-color:var(--brand);
  transform:translateY(-1px);
}
.btn-ghost-x:active{transform:translateY(1px) scale(.99)}
.btn-text-x{
  background:transparent;
  border:0;
  padding:8px 4px;
  color:var(--brand);
  font-weight:600;
}
.btn-text-x:hover{color:#5CE7DC}
.nav-cta{padding:10px 18px}
.burger{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}
.burger:hover{border-color:rgba(34,211,197,.5);color:var(--brand)}

/* ---------- 分类页 Hero ---------- */
.hero-cat{
  position:relative;
  overflow:hidden;
  padding:64px 0 56px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(34,211,197,.16),transparent 62%),
    radial-gradient(760px 380px at 92% 6%,rgba(110,91,255,.18),transparent 60%),
    var(--bg);
}
.hero-cat::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),rgba(0,0,0,0));
  pointer-events:none;
}
.hero-cat .hero-img{
  position:absolute;
  right:0;top:0;
  width:46%;
  height:100%;
  object-fit:cover;
  opacity:.22;
  filter:grayscale(.25) contrast(1.05);
  mask-image:linear-gradient(90deg,rgba(0,0,0,0),rgba(0,0,0,.9) 45%);
  pointer-events:none;
}
.hero-cat .wrap{position:relative;z-index:2}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--weak);
  margin-bottom:22px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .cur{color:var(--weak)}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(34,211,197,.36);
  background:rgba(34,211,197,.10);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.hero-cat h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:700;
  line-height:1.22;
  max-width:16em;
  margin-bottom:16px;
}
.hero-cat h1 .hl{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:640px;
  color:var(--muted);
  font-size:16.5px;
  line-height:1.8;
  margin-bottom:26px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.badge-x{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  color:var(--muted);
  font-size:12.5px;
}
.badge-x i{color:var(--brand);font-size:12px}
.badge-x.amber i{color:var(--amber)}
.badge-x.purple i{color:#9D8DFF}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-kicker{
  display:inline-block;
  font-family:var(--num);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--brand);
  margin-bottom:12px;
}
.sec-title{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:600;
  line-height:1.3;
  margin-bottom:14px;
}
.sec-sub{color:var(--muted);font-size:15.5px;line-height:1.8}

/* ---------- 参数核对表 ---------- */
.table-shell{
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.cmp-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.cmp-table caption{
  caption-side:top;
  text-align:left;
  padding:20px 24px 4px;
  color:var(--weak);
  font-size:12.5px;
}
table.cmp-table th,
table.cmp-table td{
  padding:17px 22px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line);
}
table.cmp-table thead th{
  background:rgba(34,211,197,.08);
  color:var(--text);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.02em;
  border-bottom:1px solid rgba(34,211,197,.22);
  white-space:nowrap;
}
table.cmp-table tbody tr:hover{background:rgba(255,255,255,.025)}
table.cmp-table tbody tr:last-child td{border-bottom:0}
table.cmp-table td:first-child{color:var(--text);font-weight:600}
table.cmp-table td .v{
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  font-weight:600;
}
table.cmp-table td .v.mute{color:var(--muted);font-weight:500}
.delta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--num);
  font-size:13px;
  font-weight:600;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(255,178,62,.13);
  color:var(--amber);
  border:1px solid rgba(255,178,62,.28);
}
.delta.ok{
  background:rgba(51,214,159,.12);
  color:var(--ok);
  border-color:rgba(51,214,159,.28);
}
.table-note{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  padding:16px 24px 20px;
  border-top:1px solid var(--line);
  color:var(--weak);
  font-size:12.5px;
}
.table-note span i{color:var(--brand);margin-right:6px}

/* ---------- 说明卡 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.info-card{
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--card);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.info-card:hover{
  transform:translateY(-2px);
  border-color:rgba(34,211,197,.4);
  box-shadow:0 22px 44px rgba(0,0,0,.5);
}
.icon-block{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(34,211,197,.12);
  color:var(--brand);
  font-size:16px;
  margin-bottom:18px;
}
.info-card.purple .icon-block{background:rgba(110,91,255,.16);color:#9D8DFF}
.info-card.amber .icon-block{background:rgba(255,178,62,.14);color:var(--amber)}
.info-card.green .icon-block{background:rgba(51,214,159,.14);color:var(--ok)}
.info-card h3{
  font-size:17.5px;
  font-weight:600;
  margin-bottom:10px;
}
.info-card p{color:var(--muted);font-size:14.5px;line-height:1.78}
.info-card .mini{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:12.5px;
  color:var(--weak);
  font-family:var(--num);
  letter-spacing:.03em;
}

/* ---------- 条形对比 ---------- */
.compare-wrap{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:32px;
  align-items:start;
}
.bar-panel{
  padding:28px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--card);
  box-shadow:var(--shadow-card);
}
.bar-panel h3{font-size:19px;margin-bottom:6px}
.bar-panel .hint{color:var(--weak);font-size:13px;margin-bottom:24px}
.bar-row{margin-bottom:22px}
.bar-row:last-child{margin-bottom:0}
.bar-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
  margin-bottom:9px;
}
.bar-head .lb{font-size:14.5px;color:var(--text)}
.bar-head .vl{
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  font-size:14px;
  color:var(--amber);
  font-weight:600;
}
.bar-track{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--brand),rgba(110,91,255,.85));
  box-shadow:0 0 16px rgba(34,211,197,.35);
}
.bar-fill.grey{
  background:linear-gradient(90deg,rgba(255,255,255,.22),rgba(255,255,255,.12));
  box-shadow:none;
}
.bar-legend{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--weak);
}
.bar-legend i{font-size:9px;margin-right:7px;vertical-align:middle}
.bar-legend .k1{color:var(--brand)}
.bar-legend .k2{color:rgba(255,255,255,.35)}
.side-note{
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  box-shadow:var(--shadow-card);
}
.side-note h4{font-size:16.5px;margin-bottom:14px}
.side-note ul li{
  display:flex;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--muted);
}
.side-note ul li:last-child{border-bottom:0}
.side-note ul li i{color:var(--brand);margin-top:6px;font-size:12px}
.side-note ul li b{color:var(--text);font-weight:600}
.side-note .side-img{
  margin-top:20px;
  border-radius:var(--r-img);
  border:1px solid var(--stroke);
  overflow:hidden;
  position:relative;
}
.side-note .side-img img{width:100%;height:170px;object-fit:cover}
.side-note .side-img::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.15),rgba(6,11,20,.7));
}

/* ---------- 更新节奏 ---------- */
.rhythm-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:30px;
  align-items:start;
}
.rhythm-list{
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.rhythm-item{
  display:flex;
  gap:20px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rhythm-item:last-child{border-bottom:0}
.rhythm-item:hover{background:rgba(255,255,255,.025)}
.rhythm-item .time{
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  min-width:64px;
  padding-top:2px;
}
.rhythm-item .txt h3{font-size:16px;margin-bottom:5px}
.rhythm-item .txt p{color:var(--muted);font-size:14px;line-height:1.75}
.quote-card{
  padding:26px 26px 26px 28px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  border-left:3px solid var(--brand);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  box-shadow:var(--shadow-card);
}
.quote-card p{color:var(--muted);font-size:15px;line-height:1.85}
.quote-card p + p{margin-top:16px}
.quote-card .who{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line);
  color:var(--weak);
  font-size:12.5px;
  font-family:var(--num);
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  border-radius:16px;
  border:1px solid var(--stroke);
  background:var(--card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item.open{border-color:rgba(34,211,197,.4);background:var(--card-2)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 22px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
}
.faq-item.open .faq-q{color:var(--brand)}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:8px;
  border:1px solid var(--stroke);
  color:var(--brand);
  font-size:13px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item.open .faq-icon{background:rgba(34,211,197,.14);transform:rotate(180deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 22px 22px;
  color:var(--muted);
  font-size:14.8px;
  line-height:1.8;
}

/* ---------- 相关分类 ---------- */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.4)}
.rel-card .thumb{
  position:relative;
  height:132px;
  overflow:hidden;
}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;opacity:.72}
.rel-card .thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.25),rgba(16,28,49,.95));
}
.rel-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.rel-card .body h3{font-size:16.5px;margin-bottom:9px}
.rel-card .body p{color:var(--muted);font-size:13.8px;line-height:1.72;flex:1 1 auto}
.rel-card .go{
  margin-top:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand);
  font-size:13.5px;
  font-weight:600;
}
.rel-card.current{
  border-color:rgba(34,211,197,.5);
  background:linear-gradient(160deg,rgba(34,211,197,.10),rgba(16,28,49,.9));
}
.rel-card.current .go{color:var(--muted)}
.tag-now{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(34,211,197,.9);
  color:#04121A;
  font-size:11.5px;
  font-weight:700;
}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:40px 42px;
  border-radius:22px;
  border:1px solid rgba(34,211,197,.28);
  background:
    radial-gradient(520px 260px at 8% 0%,rgba(34,211,197,.20),transparent 65%),
    radial-gradient(460px 240px at 96% 100%,rgba(110,91,255,.22),transparent 62%),
    linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  box-shadow:var(--shadow-card);
}
.cta-inner h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:10px;line-height:1.32}
.cta-inner p{color:var(--muted);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:64px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
  margin-bottom:14px;
}
.foot-brand .mark{
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;
  font-weight:800;
  font-size:15px;
}
.site-footer p{color:var(--muted);font-size:14px;line-height:1.8;max-width:340px}
.foot-col h4{
  font-size:14px;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.foot-col ul li{margin-bottom:11px;font-size:14px;color:var(--muted)}
.foot-col ul li a{color:var(--muted)}
.foot-col ul li a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  color:var(--weak);
  font-size:13px;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:22px;
  bottom:26px;
  z-index:800;
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  color:var(--brand);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(34,211,197,.5);box-shadow:var(--glow)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-wrap{grid-template-columns:1fr}
  .rhythm-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(300px,84vw);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:84px 20px 28px;
    margin:0;
    background:linear-gradient(160deg,rgba(16,28,49,.98),rgba(11,20,36,.99));
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .3s ease;
    z-index:950;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-link{padding:13px 14px;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-search{display:none}
  .nav-quick{display:none}
  .burger{display:grid;place-items:center}
  .hero-cat{padding:48px 0 44px}
  .hero-cat .hero-img{width:70%;opacity:.16}
  .section{padding:64px 0}
  .cta-band{padding-bottom:72px}
  .cta-inner{padding:32px 26px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  body{font-size:15.5px}
  .hero-cat h1{font-size:clamp(26px,7vw,36px)}
  .hero-lead{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .sec-head{margin-bottom:32px}
  .table-shell{border-radius:14px}
  table.cmp-table{min-width:640px}
  .bar-panel,.side-note,.rhythm-list,.quote-card{padding:22px 20px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .to-top{right:14px;bottom:16px}
}
@media (max-width:520px){
  .hero-actions{width:100%}
  .hero-actions .btn-x{width:100%}
  .rhythm-item{flex-direction:column;gap:6px}
  .rhythm-item .time{min-width:0}
  .cta-actions{width:100%}
  .cta-actions .btn-x{width:100%}
}

/* roulang page: category3 */
:root{
  --bg:#060B14;
  --bg-2:#0B1424;
  --card:#101C31;
  --card-2:#16233A;
  --main:#22D3C5;
  --main-2:#6E5BFF;
  --amber:#FFB23E;
  --ok:#33D69F;
  --warn:#FF5C7A;
  --tx:#E8EEF7;
  --tx-2:#9FB0C7;
  --tx-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.10);
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-glow:0 8px 28px rgba(34,211,197,.30);
  --ff:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-num:"Inter","DIN Alternate","SF Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--tx);font-family:var(--ff);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--main)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;word-break:keep-all}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--main);outline-offset:3px;border-radius:6px}
::selection{background:rgba(34,211,197,.3);color:#fff}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1600px){.wrap{max-width:1320px}}

/* ---------- 装饰 ---------- */
.bg-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 30% 0%,rgba(0,0,0,.9),transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 0%,rgba(0,0,0,.9),transparent 72%);
  opacity:.7;
}
.glow-line{
  position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,197,.45),transparent);
  opacity:.5;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(6,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{display:flex;align-items:center;gap:22px;height:70px}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-brand .mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--main),var(--main-2));
  color:#04121A;font-weight:800;font-size:17px;letter-spacing:-.02em;
  box-shadow:0 6px 18px rgba(34,211,197,.28);
}
.nav-brand .name{font-size:16px;font-weight:600;color:var(--tx);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 13px;border-radius:10px;font-size:14.5px;
  color:var(--tx-2);white-space:nowrap;transition:.2s;
}
.nav-link:hover{color:var(--tx);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--main);background:rgba(34,211,197,.10)}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--main),var(--main-2));
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 10px 0 12px;
  border-radius:var(--r-btn);border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);cursor:text;min-width:230px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:rgba(34,211,197,.55);box-shadow:0 0 0 4px rgba(34,211,197,.12)}
.nav-search i{color:var(--tx-3);font-size:13px}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:var(--tx);font-size:13.5px;font-family:inherit;
}
.nav-search input::placeholder{color:var(--tx-3)}
.nav-search .kbd{
  font-size:11px;color:var(--tx-3);border:1px solid var(--line-2);
  border-radius:6px;padding:1px 6px;font-family:var(--ff-num);
}
.nav-quick{font-size:13.5px;color:var(--tx-2);white-space:nowrap}
.burger{
  display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);color:var(--tx);font-size:16px;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:1060;
  background:rgba(11,20,36,.98);backdrop-filter:blur(16px);
  border-left:1px solid var(--line);padding:22px 20px;
  transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head .name{font-size:15px;font-weight:600}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);color:var(--tx);
}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer-links a{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--tx-2);
  border:1px solid transparent;
}
.drawer-links a:hover,.drawer-links a.active{
  color:var(--main);background:rgba(34,211,197,.09);border-color:rgba(34,211,197,.22);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.04);
  margin-bottom:16px;
}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;color:var(--tx);font-size:14px}
.drawer-search i{color:var(--tx-3)}
.backdrop{
  position:fixed;inset:0;background:rgba(3,7,13,.6);z-index:1050;
  opacity:0;visibility:hidden;transition:.3s;
}
.backdrop.open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn-primary-x{
  background:linear-gradient(135deg,var(--main),var(--main-2));
  color:#04121A;box-shadow:var(--sh-glow);
}
.btn-primary-x:hover{color:#04121A;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 34px rgba(34,211,197,.38)}
.btn-primary-x:active{transform:translateY(1px)}
.btn-ghost-x{
  background:transparent;border-color:rgba(34,211,197,.45);color:var(--main);
}
.btn-ghost-x:hover{background:rgba(34,211,197,.10);color:var(--main);transform:translateY(-1px)}
.btn-ghost-x:active{transform:translateY(1px)}
.btn-text-x{
  background:transparent;border:0;color:var(--main);padding:0;height:auto;font-size:14.5px;
}
.btn-text-x:hover{gap:12px}
.btn-x[disabled]{opacity:.4;pointer-events:none}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--tx-3);padding:26px 0 0;
}
.crumb a{color:var(--tx-2)}
.crumb .sep{color:var(--tx-3);opacity:.6}
.crumb .cur{color:var(--tx-3)}

/* ---------- 内页 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:42px 0 58px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.20;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.72),rgba(6,11,20,.96) 78%);
}
.cat-hero .wrap{position:relative;z-index:2}
.hero-inner{max-width:860px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;font-size:12.5px;color:var(--main);
  background:rgba(34,211,197,.10);border:1px solid rgba(34,211,197,.28);
  margin-bottom:18px;
}
.hero-inner h1{
  font-size:clamp(28px,3.4vw,46px);font-weight:700;line-height:1.28;
  letter-spacing:-.01em;margin-bottom:16px;
}
.hero-inner h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--main),var(--main-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:16.5px;color:var(--tx-2);max-width:640px;margin-bottom:26px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;
  border-radius:999px;font-size:12.5px;color:var(--tx-2);
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);
}
.chip i{color:var(--main);font-size:12px}
.chip.amber i{color:var(--amber)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;position:relative}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.12em;color:var(--main);
  text-transform:uppercase;margin-bottom:12px;font-family:var(--ff-num);
}
.section-head h2{
  font-size:clamp(22px,2.4vw,34px);font-weight:600;line-height:1.34;margin-bottom:14px;
}
.section-head p{color:var(--tx-2);font-size:15.5px}

/* ---------- 时间轴 / 步骤流 ---------- */
.timeline{position:relative;padding-left:0}
.tl-axis{
  position:absolute;left:29px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(34,211,197,.7),rgba(110,91,255,.45),rgba(255,255,255,.06));
  border-radius:2px;
}
.tl-item{
  position:relative;padding-left:78px;padding-bottom:34px;
}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:14px;top:6px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;font-family:var(--ff-num);
  background:var(--card);border:1px solid rgba(34,211,197,.45);color:var(--main);
  box-shadow:0 0 0 6px rgba(34,211,197,.06);
  z-index:2;
}
.tl-item.is-amber .tl-dot{border-color:rgba(255,178,62,.55);color:var(--amber);box-shadow:0 0 0 6px rgba(255,178,62,.07)}
.tl-card{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh-card);
  transition:transform .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(34,211,197,.4)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px}
.tl-top h3{font-size:19px;font-weight:600}
.tl-time{
  font-size:12px;font-family:var(--ff-num);color:var(--amber);
  border:1px solid rgba(255,178,62,.35);background:rgba(255,178,62,.08);
  border-radius:999px;padding:2px 10px;
}
.tl-card p{color:var(--tx-2);font-size:15px;margin-bottom:16px}
.tl-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tl-box{
  border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  padding:14px 16px;
}
.tl-box .lb{font-size:12px;color:var(--tx-3);margin-bottom:6px;letter-spacing:.04em}
.tl-box .vl{font-size:14.5px;color:var(--tx)}
.tl-box .vl i{color:var(--main);margin-right:6px;font-size:12px}

/* ---------- 症状速查 ---------- */
.sym-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sym-card{
  border-radius:var(--r-card);border:1px solid var(--line-2);
  background:var(--card);padding:26px 24px;box-shadow:var(--sh-card);
  transition:transform .25s ease,border-color .25s ease;
}
.sym-card:hover{transform:translateY(-3px);border-color:rgba(34,211,197,.4)}
.sym-ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(34,211,197,.12);color:var(--main);font-size:16px;margin-bottom:16px;
}
.sym-card h3{font-size:17px;margin-bottom:10px}
.sym-card p{font-size:14.5px;color:var(--tx-2);margin-bottom:14px}
.sym-line{
  border-top:1px dashed var(--line-2);padding-top:12px;font-size:13px;color:var(--tx-3);
}
.sym-line b{color:var(--main);font-weight:600}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  border-radius:var(--r-card);border:1px solid rgba(255,178,62,.28);
  background:linear-gradient(160deg,rgba(255,178,62,.10),rgba(255,178,62,.02));
  padding:24px 26px;margin-top:44px;
}
.notice i{color:var(--amber);font-size:18px;margin-top:4px}
.notice h4{font-size:16px;margin-bottom:8px;color:var(--amber)}
.notice p{font-size:14.5px;color:var(--tx-2)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:16px;border:1px solid var(--line-2);background:var(--card);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(34,211,197,.3)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  color:var(--tx);font-size:16px;font-weight:600;cursor:pointer;
}
.faq-q:hover{color:var(--main)}
.faq-q[aria-expanded="true"]{color:var(--main)}
.faq-sign{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--tx-2);font-size:12px;
  transition:.2s ease;position:relative;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-sign::before{width:11px;height:1.6px}
.faq-sign::after{width:1.6px;height:11px;transition:transform .2s ease}
.faq-q[aria-expanded="true"] .faq-sign{color:var(--main);border-color:rgba(34,211,197,.5)}
.faq-q[aria-expanded="true"] .faq-sign::after{transform:scaleY(0)}
.faq-a{padding:0 24px 22px;color:var(--tx-2);font-size:15px;line-height:1.8}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;flex-direction:column;gap:14px;
  border-radius:var(--r-card);border:1px solid var(--line-2);
  background:var(--card);padding:24px;box-shadow:var(--sh-card);
  transition:transform .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(34,211,197,.42);color:inherit}
.rel-card .rt{display:flex;align-items:center;gap:10px}
.rel-card .rt i{color:var(--main);font-size:15px}
.rel-card h3{font-size:17px}
.rel-card p{font-size:14px;color:var(--tx-2);flex:1}
.rel-more{font-size:13.5px;color:var(--main);display:inline-flex;align-items:center;gap:7px}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:22px;border:1px solid var(--line-2);
  background:linear-gradient(135deg,rgba(34,211,197,.13),rgba(110,91,255,.13));
  padding:48px 44px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  justify-content:space-between;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,197,.20),transparent 68%);
}
.cta-band .ct{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);margin-bottom:12px}
.cta-band p{color:var(--tx-2);font-size:15px}
.cta-band .ca{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);background:var(--bg-2);
  padding:64px 0 0;margin-top:0;
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--main),var(--main-2));
  color:#04121A;font-weight:800;font-size:16px;
}
.foot-brand .name{font-size:15.5px;font-weight:600}
.site-footer p{font-size:14px;color:var(--tx-2);max-width:340px}
.foot-col h4{font-size:14px;color:var(--tx);margin-bottom:16px;font-weight:600}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col li{font-size:14px;color:var(--tx-2)}
.foot-col a{color:var(--tx-2)}
.foot-col a:hover{color:var(--main)}
.foot-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--tx-3);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;z-index:1040;
  background:rgba(16,28,49,.92);border:1px solid var(--line-2);color:var(--main);
  backdrop-filter:blur(10px);box-shadow:var(--sh-card);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(34,211,197,.5);transform:translateY(-2px);color:var(--main)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-search{min-width:180px}
  .nav-quick{display:none}
}
@media (max-width:991px){
  .nav-links,.nav-search{display:none}
  .burger{display:grid;place-items:center}
  .nav-bar{height:64px;gap:12px}
  .section{padding:68px 0}
  .section.tight{padding:56px 0}
  .sym-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero{padding:30px 0 44px}
  .cta-band{padding:36px 28px}
  .tl-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .sym-grid,.rel-grid{grid-template-columns:1fr}
  .tl-item{padding-left:60px;padding-bottom:28px}
  .tl-axis{left:20px}
  .tl-dot{left:5px;width:32px;height:32px}
  .tl-card{padding:20px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column}
  .notice{padding:20px}
  .cta-band{padding:30px 22px}
  .cat-hero::before{opacity:.14}
}
@media (max-width:520px){
  .hero-inner h1{font-size:26px}
  .hero-sub{font-size:15px}
  .btn-x{height:42px;padding:0 16px;font-size:14px}
  .cta-band .ca{width:100%}
  .cta-band .ca .btn-x{flex:1}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: category4 */
:root{
  --bg:#060B14;
  --bg-2:#0B1424;
  --card:#101C31;
  --card-2:#16233A;
  --primary:#22D3C5;
  --violet:#6E5BFF;
  --amber:#FFB23E;
  --ok:#33D69F;
  --warn:#FF5C7A;
  --text:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --stroke:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(34,211,197,.30);
  --wrap:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.7;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:#6ff0e4}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn-primary-x{
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-primary-x:hover{color:#04121A;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 34px rgba(34,211,197,.4)}
.btn-primary-x:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost-x{
  background:transparent;
  color:var(--primary);
  border-color:rgba(34,211,197,.5);
}
.btn-ghost-x:hover{color:var(--primary);background:rgba(34,211,197,.10);transform:translateY(-1px)}
.btn-text-x{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  padding:6px 2px;
}
.btn-text-x:hover{gap:10px}
.btn-x[disabled],.btn-x.is-disabled{opacity:.4;pointer-events:none}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:linear-gradient(160deg,rgba(11,20,36,.86),rgba(6,11,20,.78));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{
  height:70px;
  display:flex;
  align-items:center;
  gap:24px;
}
.nav-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:17px;
  letter-spacing:-.01em;
  flex-shrink:0;
}
.nav-brand:hover{color:var(--text)}
.nav-brand .mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,rgba(34,211,197,.9),rgba(110,91,255,.9));
  color:#04121A;
  font-weight:800;
  font-size:17px;
  box-shadow:0 6px 18px rgba(34,211,197,.28);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  padding:8px 13px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{
  color:var(--primary);
  background:rgba(34,211,197,.12);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-2px;
  transform:translateX(-50%);
  width:20px;height:2px;
  border-radius:2px;
  background:var(--primary);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:250px;
  padding:8px 12px;
  border-radius:var(--r-btn);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--stroke);
  color:var(--text-3);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:rgba(34,211,197,.6);box-shadow:0 0 0 4px rgba(34,211,197,.12)}
.nav-search i{font-size:13px;color:var(--text-3)}
.nav-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:13.5px;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search .kbd{
  font-size:11px;
  padding:2px 6px;
  border-radius:6px;
  border:1px solid var(--stroke);
  color:var(--text-3);
  background:rgba(255,255,255,.04);
  font-variant-numeric:tabular-nums;
}
.nav-quick{
  font-size:14px;
  color:var(--text-2);
  font-weight:500;
  white-space:nowrap;
}
.nav-quick:hover{color:var(--primary)}
.nav-cta{padding:10px 18px;font-size:14.5px}
.burger{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:16px;
  cursor:pointer;
}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(6,11,20,.55),rgba(6,11,20,.94)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,197,.16),transparent 68%);
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3);opacity:.7}
.crumbs .current{color:var(--text-3)}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--primary);
  background:rgba(34,211,197,.10);
  border:1px solid rgba(34,211,197,.28);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:700;
  line-height:1.2;
  max-width:900px;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),var(--violet));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero .lede{
  max-width:720px;
  font-size:17px;
  color:var(--text-2);
  margin-bottom:26px;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  color:var(--text-2);
}
.chip i{color:var(--primary);font-size:12px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--primary);
  margin-bottom:12px;
  text-transform:uppercase;
}
.sec-kicker::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--violet));
}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:600;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:15.5px;max-width:660px}

/* ============ 速览条 ============ */
.quick-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:-40px;
  position:relative;
  z-index:5;
}
.quick-item{
  padding:22px 22px 20px;
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.quick-item::before{
  content:"";
  position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--primary),rgba(110,91,255,.2));
}
.quick-item .val{
  font-size:32px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.1;
}
.quick-item .val span{font-size:14px;color:var(--primary);font-weight:600;margin-left:4px}
.quick-item .lab{font-size:14px;color:var(--text-2);margin-top:6px}
.quick-item .note{font-size:12px;color:var(--text-3);margin-top:4px}

/* ============ 主体：侧栏 + 卡片网格 ============ */
.board{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:28px;
  align-items:start;
}
.side{
  position:sticky;
  top:92px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.side-card{
  padding:22px;
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:15px;
  font-weight:600;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3 i{color:var(--primary);font-size:13px}
.side-list li + li{margin-top:6px}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.side-list a:hover{
  background:rgba(34,211,197,.09);
  border-color:rgba(34,211,197,.28);
  color:var(--text);
}
.side-list a.on{
  background:rgba(34,211,197,.13);
  border-color:rgba(34,211,197,.35);
  color:var(--primary);
}
.side-list .num{
  font-size:12px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.side-note{
  border-radius:var(--r-card);
  padding:20px;
  background:linear-gradient(160deg,rgba(110,91,255,.16),rgba(34,211,197,.08));
  border:1px solid rgba(110,91,255,.28);
}
.side-note p{font-size:13.5px;color:var(--text-2);margin-bottom:12px}
.side-note strong{color:var(--text);display:block;font-size:14.5px;margin-bottom:6px}

.flow-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.flow-head h2{font-size:24px;font-weight:600}
.flow-head .meta{font-size:13.5px;color:var(--text-3)}
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(272px,1fr));
  gap:22px;
}
.news-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{
  transform:translateY(-2px);
  border-color:rgba(34,211,197,.4);
  box-shadow:0 22px 46px rgba(0,0,0,.5);
}
.news-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--card-2);
}
.news-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  filter:saturate(.82) brightness(.86);
  transition:transform .4s ease,filter .3s ease;
}
.news-card:hover .thumb img{transform:scale(1.04);filter:saturate(.95) brightness(.95)}
.news-card .thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.12),rgba(6,11,20,.72));
}
.news-card .badge-tag{
  position:absolute;
  left:14px;top:14px;
  z-index:2;
  font-size:12px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(6,11,20,.72);
  border:1px solid rgba(34,211,197,.4);
  color:var(--primary);
  backdrop-filter:blur(6px);
}
.news-card .body{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.news-card h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card .excerpt{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.news-card .foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.news-card .foot .src{color:var(--text-3)}
.news-card .foot .link{color:var(--primary);font-weight:600;font-size:13px}
.news-card .foot .link i{font-size:11px;transition:transform .2s ease}
.news-card:hover .foot .link i{transform:translateX(3px)}

/* ============ 重点更新图文 ============ */
.focus{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
.focus-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--stroke);
}
.focus-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  filter:saturate(.85) brightness(.85);
  border-radius:0;
}
.focus-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.1),rgba(6,11,20,.7));
}
.focus-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.focus-list li{
  display:flex;
  gap:14px;
  padding:16px 18px;
  border-radius:14px;
  background:var(--card);
  border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.focus-list li:hover{border-color:rgba(34,211,197,.34);transform:translateX(3px)}
.focus-list .idx{
  flex:0 0 30px;height:30px;
  display:grid;place-items:center;
  border-radius:10px;
  background:rgba(34,211,197,.12);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.focus-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.focus-list p{font-size:13.5px;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px}
.faq-acc .accordion-item{
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 14px 32px rgba(0,0,0,.35);
}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  padding:20px 56px 20px 22px;
  box-shadow:none;
  border:0;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--primary);
  background:rgba(34,211,197,.06);
  box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;
  font-size:20px;
  font-weight:400;
  color:var(--primary);
  width:auto;height:auto;
  line-height:1;
  transform:none;
  position:absolute;
  right:22px;top:50%;
  margin-top:-11px;
  transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.faq-acc .accordion-body{
  padding:0 22px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.75;
}

/* ============ 相关栏目互链 ============ */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:26px;
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
  color:var(--text);
  transition:transform .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(110,91,255,.45);color:var(--text)}
.rel-card .ico{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(34,211,197,.12);
  color:var(--primary);
  font-size:16px;
}
.rel-card h3{font-size:17px;font-weight:600}
.rel-card p{font-size:14px;color:var(--text-2)}
.rel-card .go{margin-top:6px;font-size:13.5px;color:var(--primary);font-weight:600;display:inline-flex;gap:6px;align-items:center}

/* ============ CTA 条 ============ */
.cta-band{
  border-radius:22px;
  padding:44px;
  background:
    linear-gradient(135deg,rgba(34,211,197,.14),rgba(110,91,255,.18)),
    var(--card);
  border:1px solid rgba(34,211,197,.28);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:600;margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding-top:56px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  margin-bottom:14px;
}
.foot-brand .mark{
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(34,211,197,.9),rgba(110,91,255,.9));
  color:#04121A;
  font-weight:800;
  font-size:16px;
}
.foot-col h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  color:var(--text);
}
.foot-grid p{font-size:14px;color:var(--text-2);max-width:340px}
.foot-col ul li{margin-bottom:10px}
.foot-col a,.foot-col span{
  font-size:14px;
  color:var(--text-2);
}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:22px;
  bottom:26px;
  width:46px;height:46px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  color:var(--primary);
  font-size:15px;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
  z-index:1030;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .board{grid-template-columns:248px minmax(0,1fr);gap:22px}
  .nav-search{width:200px}
}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;
    top:70px;
    right:0;
    width:min(320px,86vw);
    height:calc(100vh - 70px);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:22px 18px;
    background:linear-gradient(180deg,rgba(11,20,36,.98),rgba(6,11,20,.98));
    backdrop-filter:blur(16px);
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .28s ease;
    overflow-y:auto;
    margin-left:0;
  }
  .site-header.nav-open .nav-links{transform:translateX(0)}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-search{
    position:absolute;
    left:24px;right:24px;
    top:78px;
    width:auto;
    display:none;
    z-index:1041;
  }
  .site-header.search-open .nav-search{display:flex}
  .nav-quick{display:none}
  .burger{display:inline-grid;place-items:center}
  .nav-bar{gap:12px;justify-content:space-between}
  .nav-right{margin-left:auto}
  .quick-bar{grid-template-columns:repeat(2,1fr);margin-top:-28px}
  .board{grid-template-columns:1fr}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .focus{grid-template-columns:1fr;gap:26px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .page-hero{padding:44px 0 40px}
  .page-hero .lede{font-size:15.5px}
  .section{padding:52px 0}
  .card-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .quick-bar{grid-template-columns:1fr 1fr;gap:12px}
  .quick-item{padding:18px}
  .quick-item .val{font-size:26px}
  .cta-band{padding:30px 24px;border-radius:18px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .news-card .body{padding:18px}
}
@media (max-width:575.98px){
  .nav-brand .name{font-size:15px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .quick-bar{grid-template-columns:1fr}
  .side{flex-direction:column}
  .cta-actions .btn-x{width:100%;justify-content:center}
  .hero-chips .chip{font-size:12px}
}