/* roulang page: index */
:root{
  --bg-0:#060A18;
  --bg-1:#0B1228;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --ink-1:#F2F6FF;
  --ink-2:#A9B6D4;
  --ink-3:#6C7BA0;
  --brand:#3E7BFA;
  --brand-2:#5FA8FF;
  --mint:#2EE6A8;
  --flare:#FF6A3D;
  --grad-hero:linear-gradient(135deg,#3E7BFA 0%,#7A5CFF 55%,#2EE6A8 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-p:999px;
  --sh-1:0 6px 20px rgba(4,8,20,.45);
  --sh-2:0 18px 48px rgba(4,8,20,.55);
  --glow:0 0 0 1px rgba(46,230,168,.40), 0 10px 28px rgba(46,230,168,.22);
  --side:232px;
  --font-cn:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow Condensed","SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before,
body::after{
  content:"";
  position:fixed;
  width:620px;
  height:620px;
  border-radius:50%;
  filter:blur(120px);
  pointer-events:none;
  z-index:0;
  opacity:.16;
}
body::before{top:-220px;left:-160px;background:radial-gradient(circle,#3E7BFA 0%,rgba(62,123,250,0) 70%);}
body::after{bottom:-260px;right:-200px;background:radial-gradient(circle,#2EE6A8 0%,rgba(46,230,168,0) 70%);opacity:.12;}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink-2);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--mint);}
h1,h2,h3,h4{margin:0;color:var(--ink-1);letter-spacing:0;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
::selection{background:rgba(46,230,168,.28);}
/* Foundation 覆盖 */
.button,.button:hover,.button:focus{background:transparent;color:inherit;}
a.button{text-decoration:none;}
.grid-container{max-width:none;padding:0;}
.grid-container.fluid{padding-left:0;padding-right:0;}

/* ---------- App Shell ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side);
  z-index:60;
  display:flex;
  flex-direction:column;
  background:rgba(8,13,30,.86);
  backdrop-filter:blur(14px);
  border-right:1px solid var(--line);
  transition:width .25s ease,transform .28s ease;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  height:72px;
  padding:0 20px;
  border-bottom:1px solid var(--line);
  flex:0 0 auto;
}
.logo:hover{color:var(--ink-1);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(62,123,250,.35),rgba(46,230,168,.28));
  border:1px solid rgba(46,230,168,.35);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 18px rgba(46,230,168,.22);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;overflow:hidden;white-space:nowrap;}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--ink-1);}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--ink-3);margin-top:3px;}
.nav-list{padding:14px 12px;display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto;}
.nav-label{font-size:11px;letter-spacing:.12em;color:var(--ink-3);padding:8px 12px 4px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;
  border-radius:10px;
  color:var(--ink-2);
  font-size:15px;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{width:18px;flex:0 0 18px;text-align:center;font-size:15px;}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--ink-1);}
.nav-item.is-active{background:rgba(46,230,168,.10);color:var(--ink-1);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:var(--mint);box-shadow:0 0 12px rgba(46,230,168,.7);
}
.side-foot{padding:14px 16px 18px;border-top:1px solid var(--line);flex:0 0 auto;}
.side-foot .btn-main{width:100%;justify-content:center;padding:0 12px;font-size:14px;}
.side-foot small{display:block;margin-top:12px;font-size:11px;color:var(--ink-3);letter-spacing:.04em;}
.tooltip{
  position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);
  background:rgba(11,18,40,.96);border:1px solid var(--line);border-radius:8px;
  padding:6px 10px;font-size:12px;color:var(--ink-1);white-space:nowrap;
  opacity:0;visibility:hidden;transition:opacity .18s ease;z-index:20;box-shadow:var(--sh-1);
}
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:rgba(8,13,30,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 14px;
}
.topbar-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel);display:flex;align-items:center;justify-content:center;
  font-size:16px;cursor:pointer;
}
.topbar-logo{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;color:var(--ink-1);overflow:hidden;}
.topbar-logo span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-glow{background:var(--grad-hero);border:0;box-shadow:var(--glow);color:#fff;}
.scrim{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .25s ease;
}
.scrim.on{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;z-index:75;
  background:rgba(9,14,32,.98);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .28s ease;
  display:flex;flex-direction:column;
  padding:16px 14px 18px;
}
.drawer.on{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-head b{font-size:15px;}
.drawer .nav-item{height:46px;}
.drawer-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.drawer-foot .btn-main{width:100%;justify-content:center;}

/* ---------- Main ---------- */
.main{
  position:relative;
  margin-left:var(--side);
  z-index:1;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.ticker{
  height:36px;display:flex;align-items:center;gap:14px;
  padding:0 40px;
  font-size:12px;color:var(--ink-2);
  background:rgba(255,255,255,.04);
  border-bottom:1px solid var(--line);
  overflow:hidden;white-space:nowrap;
}
.ticker .dot{width:6px;height:6px;border-radius:50%;background:var(--flare);box-shadow:0 0 8px rgba(255,106,61,.8);flex:0 0 6px;}
.ticker em{font-style:normal;color:var(--ink-3);}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 40px;}
.section{padding:96px 0;position:relative;}
.section.alt{background:var(--bg-1);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;flex-wrap:wrap;
}
.sec-head .left{max-width:720px;}
.sec-title{
  position:relative;padding-left:16px;font-size:32px;font-weight:700;line-height:1.25;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:3px;
  background:var(--mint);box-shadow:0 0 14px rgba(46,230,168,.75);
}
.sec-sub{margin:10px 0 0;color:var(--ink-2);font-size:15px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--mint);font-size:14px;font-weight:600;white-space:nowrap;
}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* 按钮 */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-p);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease,color .2s ease;
}
.btn-main{background:var(--grad-hero);color:#fff;box-shadow:var(--glow);}
.btn-main:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(46,230,168,.55),0 16px 34px rgba(46,230,168,.3);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--ink-2);}
.btn-ghost:hover{border-color:var(--mint);color:var(--ink-1);transform:translateY(-2px);}

/* Hero */
.hero{
  position:relative;
  min-height:560px;
  height:78vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,24,.35) 0%,rgba(6,10,24,.85) 62%,var(--bg-0) 100%);}
.hero-mask2{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,10,24,.92) 0%,rgba(6,10,24,.55) 46%,rgba(6,10,24,0) 78%);}
.hero-inner{position:relative;z-index:2;width:100%;padding:0 0 64px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-p);
  background:rgba(255,255,255,.07);border:1px solid var(--line);
  font-size:12px;letter-spacing:.04em;color:var(--ink-2);
  backdrop-filter:blur(10px);
}
.hero-badge i{color:var(--mint);}
.hero h1{
  margin:20px 0 0;
  font-size:48px;font-weight:800;line-height:1.22;
  max-width:15em;
  text-shadow:0 6px 30px rgba(4,8,20,.7);
}
.hero-sub{margin:16px 0 0;max-width:620px;font-size:16px;color:var(--ink-2);}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:44px;margin-top:40px;flex-wrap:wrap;}
.hero-stat b{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--ink-1);line-height:1.1;}
.hero-stat span{display:block;margin-top:6px;font-size:12px;color:var(--ink-3);letter-spacing:.06em;}
.hero-play{
  position:absolute;right:40px;bottom:64px;z-index:3;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,230,168,.14);border:1px solid rgba(46,230,168,.5);
  color:var(--mint);font-size:18px;box-shadow:var(--glow);
  animation:pulseGlow 2.6s ease-in-out infinite;
}
@keyframes pulseGlow{0%,100%{box-shadow:0 0 0 1px rgba(46,230,168,.4),0 10px 28px rgba(46,230,168,.22);}50%{box-shadow:0 0 0 1px rgba(46,230,168,.6),0 10px 40px rgba(46,230,168,.4);}}

/* 横滑轨道 */
.rail-wrap{position:relative;}
.rail-wrap::before,
.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:12px;width:56px;z-index:5;pointer-events:none;
}
.rail-wrap::before{left:-1px;background:linear-gradient(90deg,var(--bg-0),rgba(6,10,24,0));}
.rail-wrap::after{right:-1px;background:linear-gradient(270deg,var(--bg-0),rgba(6,10,24,0));}
.section.alt .rail-wrap::before{background:linear-gradient(90deg,var(--bg-1),rgba(11,18,40,0));}
.section.alt .rail-wrap::after{background:linear-gradient(270deg,var(--bg-1),rgba(11,18,40,0));}
.rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 16px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail-card{
  flex:0 0 240px;width:240px;scroll-snap-align:start;
  background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease;
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(46,230,168,.35);}
.rail-card .thumb{aspect-ratio:16/9;overflow:hidden;}
.rail-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rail-card:hover .thumb img{transform:scale(1.04);}
.rail-card .body{padding:14px 16px 16px;}
.rail-card h3{font-size:16px;font-weight:700;line-height:1.35;}
.rail-card p{margin:6px 0 0;font-size:13px;color:var(--ink-2);}
.rail-card .meta{margin-top:10px;font-size:12px;color:var(--ink-3);font-family:var(--font-num);}

/* 标签 / 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-p);
  background:rgba(255,255,255,.07);border:1px solid var(--line);
  font-size:12px;color:var(--ink-2);line-height:1.5;
}
.badge.flare{background:rgba(255,106,61,.16);border-color:rgba(255,106,61,.4);color:#FFD5C6;}
.badge.flare .pulse{width:6px;height:6px;border-radius:50%;background:var(--flare);box-shadow:0 0 8px rgba(255,106,61,.9);animation:blink 1.6s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.35;}}
.time{font-size:12px;color:var(--ink-3);font-family:var(--font-num);}

/* 热推双栏 */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px;}
.feature-main{
  position:relative;border-radius:var(--r-m);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--sh-2);
  background:var(--panel);min-height:340px;
}
.feature-main img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .4s ease;}
.feature-main:hover img{transform:scale(1.04);}
.feature-layer{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:18px;
  border-radius:var(--r-m);
  background:rgba(9,14,32,.72);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
}
.feature-layer h3{margin-top:10px;font-size:22px;font-weight:700;}
.feature-layer p{margin:8px 0 14px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rank-list{display:flex;flex-direction:column;gap:8px;}
.rank-item{
  display:flex;align-items:center;gap:14px;
  padding:14px 16px;border-radius:var(--r-m);
  background:var(--panel);border:1px solid rgba(255,255,255,.08);
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.rank-item:hover{background:var(--panel-2);transform:translateY(-2px);border-color:rgba(46,230,168,.35);}
.rank-item .no{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--ink-3);flex:0 0 42px;position:relative;line-height:1;}
.rank-item:first-child .no{color:var(--mint);text-shadow:0 0 14px rgba(46,230,168,.55);}
.rank-item .txt{min-width:0;}
.rank-item .txt b{display:block;font-size:15px;font-weight:600;color:var(--ink-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-item .txt span{display:block;margin-top:4px;font-size:12px;color:var(--ink-3);font-family:var(--font-num);}

/* 片单分区 */
.mix-a{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;}
.mix-b{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;}
.mix-b .wide{grid-column:1 / -1;display:grid;grid-template-columns:6fr 6fr;align-items:stretch;padding:0;overflow:hidden;}
.mix-b .wide .wide-media{aspect-ratio:16/9;overflow:hidden;}
.mix-b .wide .wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.mix-b .wide:hover .wide-media img{transform:scale(1.04);}
.mix-b .wide .wide-body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center;gap:10px;}
.card{
  background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:rgba(46,230,168,.35);}
.card .media{aspect-ratio:16/9;overflow:hidden;}
.card .media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .media img{transform:scale(1.04);}
.card .info{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.card h3{font-size:17px;font-weight:700;line-height:1.4;}
.card p{margin:0;font-size:13.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}

/* 最新信息 CMS */
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.news-item{
  display:flex;gap:16px;padding:16px;
  background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-m);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:rgba(46,230,168,.35);background:var(--panel-2);color:inherit;}
.news-thumb{flex:0 0 160px;width:160px;aspect-ratio:16/9;border-radius:var(--r-s);overflow:hidden;background:rgba(255,255,255,.06);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px;}
.news-title{font-size:16.5px;font-weight:700;color:var(--ink-1);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-desc{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:56px 20px;text-align:center;
  background:var(--panel);border:1px dashed var(--line);border-radius:var(--r-m);
}
.empty-state i{font-size:28px;color:var(--ink-3);}
.empty-state p{margin:0;color:var(--ink-2);font-size:15px;}
.skeleton{background:rgba(255,255,255,.06);border-radius:var(--r-s);height:14px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:960px;}
.faq-item{
  background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-m);
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item.open{border-color:rgba(46,230,168,.35);background:var(--panel-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink-1);line-height:1.5;
}
.faq-q .ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--mint);transition:transform .18s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 20px 20px;margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* CTA */
.cta{
  position:relative;overflow:hidden;
  border-radius:var(--r-l);
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--sh-2);
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  backdrop-filter:blur(14px);
}
.cta::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,168,.4) 0%,rgba(46,230,168,0) 68%);
  filter:blur(40px);pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:660px;}
.cta-text h2{font-size:32px;font-weight:700;line-height:1.25;}
.cta-text p{margin:10px 0 0;color:var(--ink-2);font-size:15px;}
.cta .btn-main{position:relative;z-index:2;flex:0 0 auto;}

/* 页脚 */
.footer{
  margin-top:auto;
  background:#050913;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--ink-1);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand b{font-size:16px;font-weight:800;}
.footer p{font-size:14px;color:var(--ink-2);margin:0;max-width:320px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--ink-2);}
.footer-contact{font-size:14px;color:var(--ink-2);display:flex;flex-direction:column;gap:10px;}
.footer-contact span b{color:var(--ink-1);font-weight:600;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  :root{--side:232px;}
}
@media (max-width:1279px){
  .wrap{padding:0 32px;}
  .hero h1{font-size:42px;}
  .news-list{grid-template-columns:1fr;}
}
@media (max-width:1023px){
  :root{--side:72px;}
  .sidebar{width:72px;}
  .logo{padding:0 16px;justify-content:center;}
  .logo-text{display:none;}
  .nav-item{justify-content:center;padding:0;gap:0;}
  .nav-item span{display:none;}
  .nav-item:hover .tooltip{opacity:1;visibility:visible;}
  .nav-label{text-align:center;font-size:10px;padding:8px 0 4px;letter-spacing:.06em;}
  .side-foot{padding:12px 10px 16px;}
  .side-foot .btn-main{padding:0;width:44px;margin:0 auto;}
  .side-foot .btn-main .txt{display:none;}
  .side-foot small{display:none;}
  .main{margin-left:72px;}
  .ticker{padding:0 24px;}
  .feature-grid{grid-template-columns:1fr;}
  .mix-a{grid-template-columns:1fr 1fr;}
  .mix-a .card.big{grid-column:1 / -1;}
  .mix-b{grid-template-columns:1fr 1fr;}
  .mix-b .wide{grid-template-columns:1fr;}
  .cta{flex-direction:column;align-items:flex-start;text-align:left;padding:36px;}
  .footer-cols{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--side:0px;}
  .sidebar{transform:translateX(-100%);width:280px;box-shadow:var(--sh-2);}
  .sidebar.open{transform:translateX(0);}
  .sidebar .logo{justify-content:flex-start;padding:0 20px;}
  .sidebar .logo-text{display:flex;}
  .sidebar .nav-item{justify-content:flex-start;padding:0 12px;gap:12px;}
  .sidebar .nav-item span{display:inline;}
  .sidebar .nav-label{text-align:left;padding:8px 12px 4px;font-size:11px;letter-spacing:.12em;}
  .sidebar .side-foot{padding:14px 16px 18px;}
  .sidebar .side-foot .btn-main{width:100%;padding:0 12px;}
  .sidebar .side-foot .btn-main .txt{display:inline;}
  .sidebar .side-foot small{display:block;}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:56px;}
  .ticker{height:32px;padding:0 16px;font-size:11px;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .hero{min-height:480px;height:62vh;align-items:flex-end;}
  .hero-inner{padding:0 0 40px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:10px;}
  .btn-main,.btn-ghost{height:42px;padding:0 18px;font-size:14px;}
  .hero-stats{gap:26px;margin-top:28px;}
  .hero-stat b{font-size:24px;}
  .hero-play{display:none;}
  .sec-title{font-size:24px;}
  .sec-head{margin-bottom:24px;}
  .rail-card{flex:0 0 200px;width:200px;}
  .news-item{gap:12px;padding:14px;}
  .news-thumb{flex:0 0 110px;width:110px;}
  .news-title{font-size:15.5px;}
  .mix-a,.mix-b{grid-template-columns:1fr;}
  .mix-b .wide .wide-body{padding:20px;}
  .cta{padding:28px 22px;}
  .cta-text h2{font-size:24px;}
  .footer{padding:48px 0 0;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:24px;}
  .footer p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:519px){
  .hero h1{font-size:28px;}
  .footer-cols{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A18;
  --bg-1:#0B1228;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --ink-1:#F2F6FF;
  --ink-2:#A9B6D4;
  --ink-3:#6C7BA0;
  --brand:#3E7BFA;
  --brand-2:#5FA8FF;
  --mint:#2EE6A8;
  --flare:#FF6A3D;
  --grad-hero:linear-gradient(135deg,#3E7BFA 0%,#7A5CFF 55%,#2EE6A8 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-p:999px;
  --sh-1:0 6px 20px rgba(4,8,20,.45);
  --sh-2:0 18px 48px rgba(4,8,20,.55);
  --glow:0 0 0 1px rgba(46,230,168,.40), 0 10px 28px rgba(46,230,168,.22);
  --sidebar-w:232px;
  --mono:"Barlow Condensed","Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--ink-1);
  background:var(--bg-0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 520px at 6% 2%, rgba(62,123,250,.16), transparent 68%),
    radial-gradient(760px 620px at 98% 94%, rgba(46,230,168,.13), transparent 68%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  z-index:60;
  display:flex;
  flex-direction:column;
  padding:0 16px 22px;
  background:rgba(9,14,32,.88);
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:width .25s ease;
}
.logo{
  height:72px;
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  overflow:hidden;
}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,230,168,.10);
  box-shadow:var(--glow);
}
.logo-mark svg{width:22px;height:22px;display:block}
.logo-text b{
  display:block;
  font-size:16px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:.02em;
  white-space:nowrap;
}
.logo-text span{
  display:block;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--ink-3);
  margin-top:2px;
  white-space:nowrap;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-label{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--ink-3);
  padding:20px 12px 8px;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  color:var(--ink-2);
  font-size:15px;
  transition:background .22s ease,color .22s ease;
}
.nav-item i{
  width:18px;
  font-size:16px;
  text-align:center;
  color:var(--ink-3);
  transition:color .22s ease;
}
.nav-item span{white-space:nowrap}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--ink-1)}
.nav-item:hover i{color:var(--brand-2)}
.nav-item.is-active{background:rgba(46,230,168,.10);color:var(--ink-1)}
.nav-item.is-active i{color:var(--mint)}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:3px;
  background:var(--mint);
  box-shadow:0 0 12px rgba(46,230,168,.65);
}
.tooltip{display:none}

.sidebar-foot{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.sidebar-foot .btn{width:100%;justify-content:center}
.sidebar-foot p{
  margin:12px 4px 0;
  font-size:11px;
  line-height:1.6;
  color:var(--ink-3);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-p);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.btn-primary{background:var(--grad-hero);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--ink-2);
}
.btn-ghost:hover{border-color:var(--mint);color:var(--ink-1);transform:translateY(-2px)}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--mint);
}
.btn-link i{transition:transform .2s ease}
.btn-link:hover i{transform:translateX(4px)}

/* ---------- 主区 ---------- */
.main{
  position:relative;
  z-index:1;
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 40px;
}
.topbar{display:none}
.ticker{
  display:flex;
  align-items:center;
  gap:10px;
  height:36px;
  padding:0 40px;
  font-size:12px;
  color:var(--ink-3);
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
  overflow:hidden;
}
.ticker i{color:var(--mint);font-size:11px}
.ticker b{color:var(--ink-2);font-weight:600}

/* ---------- 页头 ---------- */
.pagehead{
  position:relative;
  min-height:240px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(6,10,24,.94) 0%, rgba(6,10,24,.76) 46%, rgba(6,10,24,.34) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.pagehead-inner{padding:46px 0 42px;max-width:780px}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--ink-3);
  margin-bottom:16px;
}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--mint)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--ink-2)}
.pagehead h1{
  font-size:44px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:.01em;
  margin-bottom:16px;
}
.pagehead p{
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:660px;
  margin-bottom:20px;
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--r-p);
  background:var(--panel);
  border:1px solid var(--line);
  font-size:12px;
  color:var(--ink-2);
}
.chip.mint{
  color:var(--mint);
  border-color:rgba(46,230,168,.35);
  background:rgba(46,230,168,.08);
}

/* ---------- 区块 ---------- */
.section{padding:96px 0}
.section.alt{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.sec-title{display:flex;gap:14px}
.sec-title .bar{
  flex:0 0 3px;
  width:3px;
  height:26px;
  margin-top:7px;
  border-radius:3px;
  background:var(--mint);
  box-shadow:0 0 14px rgba(46,230,168,.7);
}
.sec-index{
  display:block;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--ink-3);
  margin-bottom:2px;
}
h2{font-size:32px;line-height:1.25;font-weight:700}
.sec-desc{
  font-size:15px;
  color:var(--ink-2);
  max-width:660px;
  margin-top:8px;
}
h3{font-size:22px;line-height:1.3;font-weight:700}
p.body{font-size:16px;line-height:1.8;color:var(--ink-2)}

/* ---------- 指标 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat{
  padding:22px 20px;
  border-radius:var(--r-m);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .28s ease,border-color .28s ease;
}
.stat:hover{transform:translateY(-4px);border-color:rgba(46,230,168,.35)}
.stat b{
  display:block;
  font-family:var(--mono);
  font-size:30px;
  line-height:1.15;
  letter-spacing:.02em;
  color:var(--ink-1);
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-3)}

/* ---------- 左图右文 ---------- */
.split{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:center;
}
.split .media{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-l);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
}
.split .media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.split .media:hover img{transform:scale(1.04)}
.split .media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,24,0) 45%,rgba(6,10,24,.55) 100%);
  pointer-events:none;
}
.split h3{margin-bottom:14px}
.split p{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin-bottom:18px}
.dot-list{display:flex;flex-direction:column;gap:12px}
.dot-list li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  line-height:1.75;
  color:var(--ink-2);
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--mint);
  box-shadow:0 0 10px rgba(46,230,168,.6);
}
.dot-list li b{color:var(--ink-1);font-weight:600}

/* ---------- 卡片矩阵 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.gcard{
  padding:28px;
  border-radius:var(--r-m);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.gcard:hover{
  transform:translateY(-4px);
  border-color:rgba(46,230,168,.35);
  box-shadow:var(--sh-2);
}
.gcard .ico{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  margin-bottom:18px;
  font-size:18px;
  color:var(--mint);
  background:rgba(46,230,168,.10);
  border:1px solid rgba(46,230,168,.22);
}
.gcard h3{font-size:20px;margin-bottom:10px}
.gcard p{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:16px}
.gcard .meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-p);
  background:var(--panel-2);
  border:1px solid var(--line);
  font-size:12px;
  color:var(--ink-2);
}
.badge.flare{
  background:rgba(255,106,61,.16);
  border-color:rgba(255,106,61,.4);
  color:#FFD3C4;
}
.badge i{font-size:10px}

/* ---------- 步骤条 ---------- */
.steps{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.steps::before{
  content:"";
  position:absolute;
  top:22px;
  left:6%;
  right:6%;
  height:1px;
  background:var(--line);
}
.step{position:relative;padding-top:0}
.step .num{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  font-family:var(--mono);
  font-size:17px;
  letter-spacing:.06em;
  color:var(--ink-2);
  background:#0C142C;
  border:1px solid var(--line);
  margin-bottom:18px;
  z-index:1;
}
.step.is-now .num{
  color:#06121A;
  background:var(--mint);
  border-color:var(--mint);
  box-shadow:var(--glow);
}
.step h4{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ---------- 准备清单 ---------- */
.check-list{
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
}
.check-list li{
  display:flex;
  align-items:center;
  gap:18px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background .22s ease;
}
.check-list li:last-child{border-bottom:0}
.check-list li:hover{background:rgba(255,255,255,.05)}
.check-list .ck{
  flex:0 0 34px;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  color:var(--mint);
  font-size:14px;
  background:rgba(46,230,168,.10);
  border:1px solid rgba(46,230,168,.22);
}
.check-list .txt{flex:1 1 auto;min-width:0}
.check-list .txt b{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--ink-1);
  margin-bottom:2px;
}
.check-list .txt span{display:block;font-size:14px;line-height:1.7;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px;
  border-radius:var(--r-l);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  background:
    radial-gradient(520px 300px at 100% 0%, rgba(46,230,168,.20), transparent 70%),
    var(--panel-2);
}
.cta h2{font-size:28px;margin-bottom:10px}
.cta p{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:600px}
.cta .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:auto;
  background:#050913;
  border-top:1px solid var(--line);
  position:relative;
}
.footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,230,168,.45),transparent);
}
.footer .wrap{
  max-width:1280px;
  margin:0 auto;
  padding:64px 40px 28px;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand b{font-size:16px;font-weight:800}
.footer-cols p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-3);
  max-width:320px;
}
.footer h4{
  font-size:14px;
  font-weight:700;
  color:var(--ink-1);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;
  color:var(--ink-2);
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--mint)}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact span{font-size:14px;color:var(--ink-3)}
.footer-contact b{color:var(--ink-2);font-weight:600}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  font-size:12px;
  color:var(--ink-3);
}

/* ---------- 移动端抽屉 ---------- */
.mask{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(0,0,0,.6);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;right:-300px;
  z-index:90;
  width:280px;
  height:100%;
  padding:20px 18px 24px;
  background:#0A1024;
  border-left:1px solid var(--line);
  overflow-y:auto;
  transition:right .3s ease;
}
.drawer.is-open{right:0}
.drawer .logo{height:58px}
.drawer .nav-list{margin-top:14px}

/* ---------- 断点 ---------- */
@media (max-width:1439px){
  .container{padding:0 32px}
}
@media (max-width:1023px){
  :root{--sidebar-w:72px}
  .sidebar{padding:0 10px 18px;align-items:center}
  .logo{justify-content:center}
  .logo-text{display:none}
  .nav-label{display:none}
  .nav-item{justify-content:center;padding:0;gap:0}
  .nav-item span:not(.tooltip){display:none}
  .nav-item .tooltip{
    display:block;
    position:absolute;
    left:64px;
    top:50%;
    transform:translateY(-50%);
    padding:6px 12px;
    border-radius:8px;
    background:#0E1730;
    border:1px solid var(--line);
    color:var(--ink-1);
    font-size:13px;
    white-space:nowrap;
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease,visibility .2s ease;
    z-index:70;
  }
  .nav-item:hover .tooltip{opacity:1;visibility:visible}
  .sidebar-foot .btn{height:44px;padding:0;font-size:0}
  .sidebar-foot .btn i{font-size:16px;margin:0}
  .sidebar-foot p{display:none}
  .container{padding:0 28px}
  .ticker{padding:0 28px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .steps::before{display:none}
  .pagehead h1{font-size:36px}
  h2{font-size:26px}
}
@media (max-width:767px){
  :root{--sidebar-w:0px}
  .sidebar{display:none}
  .main{margin-left:0}
  .topbar{
    position:sticky;
    top:0;
    z-index:70;
    display:flex;
    align-items:center;
    gap:14px;
    height:56px;
    padding:0 16px;
    background:rgba(8,13,30,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .topbar .icon-btn{
    width:38px;height:38px;
    display:flex;align-items:center;justify-content:center;
    border-radius:10px;
    border:1px solid var(--line);
    background:var(--panel);
    color:var(--ink-1);
    font-size:15px;
    cursor:pointer;
    transition:border-color .2s ease,color .2s ease;
  }
  .topbar .icon-btn:hover{border-color:var(--mint);color:var(--mint)}
  .topbar .top-logo{
    display:flex;
    align-items:center;
    gap:9px;
    margin-right:auto;
    min-width:0;
  }
  .topbar .top-logo b{
    font-size:15px;
    font-weight:800;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .topbar .go{
    width:38px;height:38px;
    display:flex;align-items:center;justify-content:center;
    border-radius:10px;
    background:var(--grad-hero);
    color:#fff;
    font-size:14px;
    box-shadow:var(--glow);
  }
  .ticker{padding:0 16px;font-size:11px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .pagehead{min-height:0;background:
    linear-gradient(180deg, rgba(6,10,24,.72) 0%, rgba(6,10,24,.94) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
  .pagehead-inner{padding:34px 0 32px}
  .pagehead h1{font-size:30px}
  .pagehead p{font-size:15px}
  h2{font-size:23px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat b{font-size:24px}
  .card-grid{grid-template-columns:1fr;gap:14px}
  .gcard{padding:22px}
  .steps{grid-template-columns:1fr;row-gap:26px}
  .cta{flex-direction:column;align-items:center;text-align:center;padding:30px 22px;gap:22px}
  .cta p{max-width:none}
  .cta .actions{width:100%;flex-direction:column}
  .cta .actions .btn{width:100%}
  .check-list li{padding:16px 18px;gap:14px;align-items:flex-start}
  .footer .wrap{padding:44px 18px 22px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{height:42px}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr}
  .pagehead h1{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#060A18;
  --bg-1:#0B1228;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --ink-1:#F2F6FF;
  --ink-2:#A9B6D4;
  --ink-3:#6C7BA0;
  --brand:#3E7BFA;
  --brand-2:#5FA8FF;
  --mint:#2EE6A8;
  --flare:#FF6A3D;
  --grad-hero:linear-gradient(135deg,#3E7BFA 0%,#7A5CFF 55%,#2EE6A8 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-p:999px;
  --sh-1:0 6px 20px rgba(4,8,20,.45);
  --sh-2:0 18px 48px rgba(4,8,20,.55);
  --glow:0 0 0 1px rgba(46,230,168,.40), 0 10px 28px rgba(46,230,168,.22);
  --side-w:232px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(520px 420px at 8% 4%,rgba(62,123,250,.16),transparent 70%),
    radial-gradient(560px 460px at 92% 96%,rgba(46,230,168,.13),transparent 70%);
  filter:blur(110px);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--mint);}
button{font-family:inherit;}
ul,ol,figure,blockquote{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(46,230,168,.28);}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}

/* ---------- App Shell ---------- */
.sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--side-w);
  z-index:60;
  display:flex;
  flex-direction:column;
  background:rgba(8,12,26,.86);
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.brand{
  height:72px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 18px;
  border-bottom:1px solid var(--line);
  flex-shrink:0;
}
.logo-mark{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,rgba(62,123,250,.30),rgba(46,230,168,.22));
  box-shadow:0 0 0 1px rgba(255,255,255,.10),0 8px 22px rgba(46,230,168,.18);
  flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-text small{font-size:11px;letter-spacing:.08em;color:var(--ink-3);white-space:nowrap;}
.nav-list{padding:16px 12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;flex:1;}
.nav-label{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--ink-3);
  padding:6px 10px 10px;
}
.nav-item{
  position:relative;
  height:44px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 12px;
  border-radius:var(--r-s);
  color:var(--ink-2);
  font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{width:18px;font-size:15px;text-align:center;flex-shrink:0;}
.nav-item .tooltip{display:none;}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--ink-1);}
.nav-item.is-active{
  background:rgba(46,230,168,.10);
  color:var(--ink-1);
}
.nav-item.is-active::before{
  content:"";
  position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--mint);
  box-shadow:0 0 12px rgba(46,230,168,.7);
}
.side-cta{padding:14px 12px 16px;border-top:1px solid var(--line);flex-shrink:0;}
.side-cta .btn-main{width:100%;justify-content:center;font-size:14px;}
.side-note{font-size:11px;line-height:1.5;color:var(--ink-3);text-align:center;margin-top:10px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-p);
  border:0;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-main{
  background:var(--grad-hero);
  color:#FCFFFF;
  box-shadow:var(--glow);
}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.08);color:#FCFFFF;}
.btn-ghost{
  background:transparent;
  color:var(--ink-2);
  border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--mint);color:var(--ink-1);}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--mint);
  font-size:14px;
  font-weight:600;
}
.btn-link i{transition:transform .22s ease;}
.btn-link:hover i{transform:translateX(4px);}

.shell{
  margin-left:var(--side-w);
  position:relative;
  z-index:1;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.topbar-mobile{display:none;}
.drawer-mask{display:none;}
.drawer{display:none;}
.ticker{
  height:36px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 40px;
  background:rgba(255,255,255,.035);
  border-bottom:1px solid var(--line);
  font-size:12px;
  color:var(--ink-3);
  overflow:hidden;
  white-space:nowrap;
}
.ticker b{color:var(--mint);font-weight:600;}
.ticker .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--flare);
  box-shadow:0 0 10px rgba(255,106,61,.9);
  flex-shrink:0;
}
.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 40px;
}

/* ---------- Article head ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--ink-3);
  padding:26px 0 0;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--mint);}
.crumb span.sep{opacity:.5;}
.crumb .cur{color:var(--ink-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:22px 0 30px;}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-p);
  font-size:12px;
  color:var(--ink-2);
  background:var(--panel);
  border:1px solid rgba(255,255,255,.10);
}
.badge.is-flare{background:var(--flare);color:#FFF3EE;border-color:transparent;}
.badge .pulse{
  width:6px;height:6px;border-radius:50%;
  background:#FFF3EE;
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.7);}}
.article-head h1{
  font-size:40px;
  line-height:1.24;
  font-weight:800;
  letter-spacing:.01em;
  max-width:900px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 22px;
  margin-top:18px;
  font-size:14px;
  color:var(--ink-2);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--ink-3);font-size:13px;}

/* ---------- Cover ---------- */
.cover-block{
  border-radius:var(--r-m);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-1);
  background:var(--panel);
}
.cover-block img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .45s ease;
}
.cover-block:hover img{transform:scale(1.04);}
.cover-caption{
  text-align:center;
  font-size:12px;
  color:var(--ink-3);
  margin-top:12px;
}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px);
  justify-content:center;
  gap:40px;
  padding:48px 0 0;
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,820px) 280px;}
}
.reading{
  min-height:320px;
  padding-bottom:8px;
}

/* ---------- Rich text ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--ink-2);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;font-size:16px;line-height:1.9;color:var(--ink-2);}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink-1);
  margin:40px 0 16px;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  border-radius:2px;
  background:var(--mint);
  box-shadow:0 0 12px rgba(46,230,168,.65);
}
.article-body h3{
  font-size:20px;
  font-weight:700;
  color:var(--ink-1);
  margin:30px 0 12px;
}
.article-body h4{
  font-size:17px;
  font-weight:700;
  color:var(--ink-1);
  margin:24px 0 10px;
}
.article-body strong{color:var(--ink-1);font-weight:700;}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--panel);
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-m) var(--r-m) 0;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.9;
}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px;list-style:none;}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  font-size:16px;
  line-height:1.85;
}
.article-body ul li::before{
  content:"";
  position:absolute;left:2px;top:.72em;
  width:8px;height:8px;border-radius:2px;
  background:var(--mint);
  box-shadow:0 0 10px rgba(46,230,168,.55);
}
.article-body ol{counter-reset:li;}
.article-body ol li::before{
  counter-increment:li;
  content:counter(li);
  position:absolute;left:0;top:.05em;
  width:18px;
  font-size:13px;
  font-weight:700;
  color:var(--mint);
  font-family:"Barlow Condensed",Inter,system-ui,sans-serif;
}
.article-body a{
  color:var(--mint);
  border-bottom:1px dashed rgba(46,230,168,.7);
}
.article-body a:hover{border-bottom-style:solid;}
.article-body img{
  border-radius:12px;
  margin:22px auto;
  max-width:100%;
  height:auto;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  text-align:center;
  font-size:12px;
  color:var(--ink-3);
  margin-top:10px;
}
.article-body .table-scroll,.article-body table{max-width:100%;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  min-width:480px;
}
.article-body th{
  background:var(--panel-2);
  color:var(--ink-1);
  text-align:left;
  font-weight:700;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
}
.article-body hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:34px 0;
}
.article-body > div[style*="overflow"]{overflow-x:auto;}
.article-body pre{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px;
  overflow-x:auto;
  font-size:14px;
  color:var(--ink-2);
}

.empty-state{
  padding:64px 24px;
  text-align:center;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-l);
}
.empty-state i{font-size:34px;color:var(--ink-3);}
.empty-state h3{margin-top:16px;font-size:20px;color:var(--ink-1);font-weight:700;}
.empty-state p{margin-top:10px;font-size:15px;color:var(--ink-2);}
.empty-state .btn-link{margin-top:18px;}

/* ---------- Aside ---------- */
.aside-card{
  background:var(--panel);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-m);
  padding:20px;
  box-shadow:var(--sh-1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  margin-bottom:20px;
}
.aside-card:last-child{margin-bottom:0;}
.aside-title{
  font-size:13px;
  letter-spacing:.14em;
  color:var(--ink-3);
  margin-bottom:14px;
}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;}
.toc-list li a{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--ink-2);
  padding:8px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list li a:hover{background:rgba(255,255,255,.06);color:var(--ink-1);border-left-color:var(--mint);}
.quick-list{list-style:none;display:flex;flex-direction:column;gap:12px;}
.quick-list li{font-size:14px;color:var(--ink-2);line-height:1.7;}
.quick-list li b{display:block;color:var(--ink-1);font-size:15px;margin-bottom:2px;}
.quick-list li .num{
  font-family:"Barlow Condensed",Inter,system-ui,sans-serif;
  color:var(--mint);
  font-weight:700;
  margin-right:6px;
}
.aside-note{font-size:13px;line-height:1.75;color:var(--ink-3);}

/* ---------- Tags / prev-next ---------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-p);
  background:var(--panel);
  border:1px solid rgba(255,255,255,.10);
  font-size:13px;
  color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover{background:rgba(46,230,168,.12);border-color:rgba(46,230,168,.45);color:var(--ink-1);transform:translateY(-2px);}

.section{padding:72px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:22px;
}
.section-head h2{
  position:relative;
  font-size:24px;
  line-height:1.3;
  font-weight:700;
  color:var(--ink-1);
  padding-left:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  border-radius:2px;background:var(--mint);
  box-shadow:0 0 12px rgba(46,230,168,.6);
}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:6px;}

.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.pn-card{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-m);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,border-color .25s ease;
}
.pn-card:hover{transform:translateY(-4px);border-color:rgba(46,230,168,.35);}
.pn-card .pn-arrow{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.06);
  color:var(--mint);
  flex-shrink:0;
}
.pn-card small{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.08em;margin-bottom:6px;}
.pn-card b{display:block;font-size:16px;line-height:1.5;color:var(--ink-1);font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pn-card.next{text-align:right;}
.pn-card.next .pn-inner{margin-left:auto;}

.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:10px;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.rail-card{
  flex:0 0 240px;
  scroll-snap-align:start;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-m);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,border-color .25s ease;
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(46,230,168,.35);}
.rail-card .thumb{overflow:hidden;background:rgba(255,255,255,.04);}
.rail-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease;}
.rail-card:hover .thumb img{transform:scale(1.04);}
.rail-card .body{padding:16px;}
.rail-card h3{
  font-size:16px;line-height:1.5;font-weight:700;color:var(--ink-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail-card p{
  margin-top:8px;font-size:14px;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail-card .foot{margin-top:12px;font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--panel);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-m);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(46,230,168,.30);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink-1);
}
.faq-q .sign{
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(46,230,168,.12);
  color:var(--mint);
  font-size:13px;
  flex-shrink:0;
  transition:transform .18s ease;
}
.faq-item.open .faq-q .sign{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a p{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-l);
  border:1px solid rgba(255,255,255,.10);
  background:var(--panel);
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  box-shadow:var(--sh-2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-80px;top:-90px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,168,.30),transparent 68%);
  filter:blur(20px);
  pointer-events:none;
}
.cta-panel h2{font-size:26px;font-weight:700;line-height:1.35;position:relative;}
.cta-panel p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:620px;position:relative;}
.cta-panel .btn{position:relative;flex-shrink:0;}

/* ---------- Footer ---------- */
.footer{
  margin-top:88px;
  background:#050913;
  border-top:1px solid var(--line);
  position:relative;
}
.footer::before{
  content:"";
  position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,230,168,.45),transparent);
}
.footer-cols{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding:56px 0 34px;
}
.footer h4{font-size:14px;font-weight:700;color:var(--ink-1);margin-bottom:14px;}
.footer p{font-size:14px;line-height:1.8;color:var(--ink-2);margin-top:12px;max-width:340px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand b{font-size:16px;font-weight:800;color:var(--ink-1);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--ink-2);}
.footer-links a:hover{color:var(--mint);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2);}
.footer-contact b{color:var(--ink-1);font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding:18px 0 26px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1440px){
  :root{--side-w:232px;}
}
@media (max-width:1023px){
  :root{--side-w:72px;}
  .brand{justify-content:center;padding:0;}
  .brand-text{display:none;}
  .nav-label{display:none;}
  .nav-list{padding:14px 10px;align-items:center;}
  .nav-item{justify-content:center;padding:0;width:48px;}
  .nav-item span:not(.tooltip){display:none;}
  .nav-item .tooltip{
    display:block;
    position:absolute;left:60px;top:50%;transform:translateY(-50%);
    background:rgba(12,18,38,.96);
    border:1px solid var(--line);
    color:var(--ink-1);
    font-size:13px;
    padding:7px 12px;
    border-radius:8px;
    white-space:nowrap;
    opacity:0;pointer-events:none;
    transition:opacity .18s ease;
    z-index:80;
  }
  .nav-item:hover .tooltip{opacity:1;}
  .side-cta{padding:12px 8px 16px;}
  .side-cta .btn-main{height:42px;padding:0 10px;font-size:0;}
  .side-cta .btn-main i{font-size:16px;}
  .side-note{display:none;}
  .ticker{padding:0 24px;}
  .wrap{padding:0 24px;}
  .article-head h1{font-size:32px;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px;}
}
@media (max-width:767px){
  :root{--side-w:0px;}
  .sidebar{display:none;}
  .topbar-mobile{
    display:flex;
    position:fixed;
    top:0;left:0;right:0;
    height:56px;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:0 16px;
    background:rgba(8,12,26,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    z-index:70;
  }
  .topbar-mobile .tb-brand{display:flex;align-items:center;gap:9px;min-width:0;}
  .topbar-mobile .tb-brand b{font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .icon-btn{
    width:40px;height:40px;
    display:grid;place-items:center;
    border-radius:12px;
    background:rgba(255,255,255,.06);
    border:1px solid var(--line);
    color:var(--ink-1);
    font-size:16px;
    cursor:pointer;
  }
  .icon-btn.glow{background:var(--grad-hero);border-color:transparent;color:#FCFFFF;box-shadow:var(--glow);}
  .shell{margin-left:0;padding-top:56px;}
  .ticker{height:auto;padding:8px 16px;white-space:normal;line-height:1.5;}
  .wrap{padding:0 18px;}
  .crumb{padding-top:20px;}
  .crumb .cur{max-width:100%;}
  .article-head{padding:16px 0 24px;}
  .article-head h1{font-size:27px;line-height:1.3;}
  .meta-row{font-size:13px;gap:6px 16px;}
  .article-layout{padding-top:32px;gap:28px;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .section{padding:52px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:21px;}
  .prev-next{grid-template-columns:1fr;}
  .pn-card.next{text-align:left;}
  .rail-card{flex:0 0 200px;}
  .cta-panel{padding:26px 22px;}
  .cta-panel h2{font-size:21px;}
  .cta-panel .btn{width:100%;}
  .footer{margin-top:60px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:24px;padding:40px 0 26px;}
  .footer p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .drawer-mask{
    display:block;
    position:fixed;inset:0;
    background:rgba(0,0,0,.6);
    opacity:0;pointer-events:none;
    transition:opacity .25s ease;
    z-index:88;
  }
  .drawer-mask.show{opacity:1;pointer-events:auto;}
  .drawer{
    display:flex;
    flex-direction:column;
    position:fixed;
    top:0;right:0;bottom:0;
    width:280px;
    max-width:86vw;
    background:rgba(9,14,30,.98);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:90;
    padding:16px 14px;
  }
  .drawer.show{transform:translateX(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding:6px 4px 16px;
    border-bottom:1px solid var(--line);
    margin-bottom:14px;
  }
  .drawer-head b{font-size:15px;font-weight:800;}
  .drawer .nav-item{width:100%;justify-content:flex-start;padding:0 12px;}
  .drawer .nav-item span:not(.tooltip){display:inline;}
  .drawer .nav-item .tooltip{display:none;}
  .drawer .side-cta{margin-top:auto;border-top:1px solid var(--line);padding-top:14px;}
  .drawer .side-cta .btn-main{font-size:14px;height:46px;}
}
@media (max-width:520px){
  .article-head h1{font-size:24px;}
  .wrap{padding:0 14px;}
  .rail-card{flex:0 0 178px;}
  .footer-cols{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A18;
  --bg-1:#0B1228;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --ink-1:#F2F6FF;
  --ink-2:#A9B6D4;
  --ink-3:#6C7BA0;
  --brand:#3E7BFA;
  --brand-2:#5FA8FF;
  --mint:#2EE6A8;
  --flare:#FF6A3D;
  --grad-hero:linear-gradient(135deg,#3E7BFA 0%,#7A5CFF 55%,#2EE6A8 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-p:999px;
  --sh-1:0 6px 20px rgba(4,8,20,.45);
  --sh-2:0 18px 48px rgba(4,8,20,.55);
  --glow:0 0 0 1px rgba(46,230,168,.40), 0 10px 28px rgba(46,230,168,.22);
  --side-w:232px;
  --sec-pad:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(600px 460px at 8% 4%, rgba(62,123,250,.16), transparent 72%),
    radial-gradient(560px 460px at 96% 92%, rgba(46,230,168,.13), transparent 72%);
  filter:blur(20px);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;padding:0;cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.num{font-family:"Barlow Condensed","Inter",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;}

/* ===== 布局骨架 ===== */
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 40px;}
.shell{position:relative;z-index:1;}

/* ===== 侧栏导航 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  display:flex;flex-direction:column;
  background:rgba(9,14,32,.86);
  backdrop-filter:blur(14px);
  border-right:1px solid var(--line);
  z-index:40;
}
.brand{height:72px;display:flex;align-items:center;gap:12px;padding:0 18px;border-bottom:1px solid var(--line);flex:0 0 auto;}
.logo-mark{width:38px;height:38px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(62,123,250,.34),rgba(46,230,168,.20));
  box-shadow:0 0 0 1px rgba(255,255,255,.10),0 8px 22px rgba(46,230,168,.16);}
.logo-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text b{font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-text span{font-size:11px;letter-spacing:.08em;color:var(--ink-3);white-space:nowrap;}
.nav-list{padding:14px 10px;display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto;}
.nav-label{font-size:11px;letter-spacing:.14em;color:var(--ink-3);padding:6px 12px 4px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:var(--r-s);
  font-size:15px;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{width:18px;font-size:15px;text-align:center;color:var(--ink-3);transition:color .2s ease;}
.nav-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--ink-1);}
.nav-item:hover i{color:var(--brand-2);}
.nav-item.is-active{background:rgba(46,230,168,.10);color:var(--ink-1);}
.nav-item.is-active i{color:var(--mint);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--mint);box-shadow:0 0 12px rgba(46,230,168,.7);}
.nav-item .tooltip{
  position:absolute;left:100%;top:50%;transform:translateY(-50%) translateX(10px);
  background:rgba(6,10,24,.94);border:1px solid var(--line);color:var(--ink-1);
  font-size:12px;line-height:1.4;padding:5px 10px;border-radius:8px;white-space:nowrap;
  opacity:0;visibility:hidden;transition:opacity .16s ease,transform .16s ease;z-index:60;
}
.sidebar-foot{padding:14px 14px 18px;border-top:1px solid var(--line);flex:0 0 auto;}
.sidebar-foot .tiny{font-size:11px;color:var(--ink-3);margin-top:10px;line-height:1.5;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-p);font-size:15px;font-weight:700;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;}
.btn-main{color:#04121B;background:linear-gradient(135deg,#5FA8FF 0%,#7A5CFF 55%,#2EE6A8 100%);
  box-shadow:0 0 0 1px rgba(46,230,168,.40),0 10px 28px rgba(46,230,168,.22);}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(46,230,168,.55),0 16px 34px rgba(46,230,168,.30);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{color:var(--ink-2);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.02);}
.btn-ghost:hover{color:var(--ink-1);border-color:var(--mint);transform:translateY(-2px);}
.btn-block{width:100%;height:42px;font-size:14px;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--mint);font-size:14px;font-weight:600;}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ===== 主内容区 ===== */
.main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
.infobar{
  height:36px;display:flex;align-items:center;
  background:rgba(255,255,255,.04);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  font-size:12px;color:var(--ink-3);letter-spacing:.02em;
}
.infobar .wrap{display:flex;align-items:center;gap:10px;overflow:hidden;}
.infobar .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto;box-shadow:0 0 8px rgba(46,230,168,.8);}
.infobar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ===== 移动端顶栏与抽屉 ===== */
.topbar{display:none;}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:70;}
.scrim.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:rgba(9,14,32,.97);backdrop-filter:blur(14px);
  border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s ease;z-index:80;
  display:flex;flex-direction:column;padding:16px 12px 20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 6px 14px;border-bottom:1px solid var(--line);margin-bottom:10px;}
.drawer-head b{font-size:14px;}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);color:var(--ink-2);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{border-color:var(--mint);color:var(--ink-1);}
.drawer .nav-list{padding:0;}
.drawer-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}

/* ===== 页头（分类页2：光斑 + 网格纹理，无大图） ===== */
.page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,40,.92) 0%,rgba(6,10,24,.55) 100%);}
.page-head .tex{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 28% 38%,#000 0%,transparent 76%);
  mask-image:radial-gradient(circle at 28% 38%,#000 0%,transparent 76%);}
.page-head .glow-a{position:absolute;width:520px;height:520px;left:-140px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(62,123,250,.32),transparent 70%);filter:blur(70px);}
.page-head .glow-b{position:absolute;width:460px;height:460px;right:-120px;bottom:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,168,.26),transparent 70%);filter:blur(70px);}
.page-head .wrap{position:relative;z-index:2;padding-top:52px;padding-bottom:48px;min-height:200px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--ink-3);margin-bottom:20px;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--mint);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:var(--ink-2);}
.page-head h1{font-size:44px;font-weight:800;line-height:1.22;max-width:900px;}
.page-head .lead{margin-top:16px;max-width:760px;color:var(--ink-2);font-size:16px;line-height:1.8;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-p);
  font-size:12px;color:var(--ink-2);background:var(--panel);border:1px solid rgba(255,255,255,.08);}
.pill.mint{color:var(--mint);border-color:rgba(46,230,168,.35);background:rgba(46,230,168,.08);}

/* ===== 通用板块 ===== */
.section{padding:var(--sec-pad) 0;position:relative;}
.section.alt{background:linear-gradient(180deg,rgba(11,18,40,.55),rgba(6,10,24,0));}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px;}
.sec-title{position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:var(--mint);box-shadow:0 0 14px rgba(46,230,168,.75);}
.sec-title h2{font-size:30px;font-weight:700;}
.sec-title .idx{font-size:12px;color:var(--ink-3);letter-spacing:.16em;display:block;margin-bottom:6px;}
.sec-desc{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}

/* ===== 编号阶梯 ===== */
.ladder{border-top:1px solid var(--line);}
.ladder-row{display:grid;grid-template-columns:104px 1fr;gap:28px;align-items:start;
  padding:28px 0;border-bottom:1px solid var(--line);transition:background-color .22s ease;}
.ladder-row:hover{background:rgba(255,255,255,.03);}
.ladder-num{font-size:48px;font-weight:700;line-height:1;color:rgba(46,230,168,.16);
  -webkit-text-stroke:1px rgba(46,230,168,.62);letter-spacing:.02em;}
.ladder-row h3{font-size:20px;margin-bottom:8px;}
.ladder-row p{color:var(--ink-2);font-size:15px;margin:0;max-width:760px;}
.ladder-row .tag{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:12px;color:var(--ink-3);}
.ladder-row .tag i{color:var(--brand-2);}

/* ===== 双列图文条目（无边框分隔行） ===== */
.zigzag{display:flex;flex-direction:column;}
.zz-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:30px 0;}
.zz-row .zz-media{position:relative;border-radius:var(--r-m);overflow:hidden;border:1px solid rgba(255,255,255,.08);box-shadow:var(--sh-1);}
.zz-row .zz-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease;}
.zz-row .zz-media:hover img{transform:scale(1.04);}
.zz-row .zz-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,24,0) 45%,rgba(6,10,24,.55) 100%);}
.zz-row:nth-child(even) .zz-media{order:-1;}
.zz-body h3{font-size:22px;margin-bottom:10px;}
.zz-body p{color:var(--ink-2);font-size:15.5px;margin:0;}
.zz-body .zz-idx{font-size:12px;letter-spacing:.16em;color:var(--mint);display:block;margin-bottom:8px;}

/* ===== FAQ 手风琴 ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-m);
  box-shadow:var(--sh-1);backdrop-filter:blur(14px);overflow:hidden;transition:border-color .22s ease,transform .22s ease;}
.faq-item:hover{border-color:rgba(46,230,168,.30);}
.faq-item.is-open{border-color:rgba(46,230,168,.42);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:600;color:var(--ink-1);}
.faq-q .sign{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--mint);
  transition:transform .18s ease,border-color .18s ease;}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg);border-color:rgba(46,230,168,.5);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{margin:0;padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ===== 相关分类卡 ===== */
.rel-grid{margin-left:-10px;margin-right:-10px;}
.rel-card{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);backdrop-filter:blur(14px);height:100%;
  display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(46,230,168,.35);box-shadow:var(--sh-2);}
.rel-thumb{overflow:hidden;}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:19px;}
.rel-body p{color:var(--ink-2);font-size:14.5px;margin:0;}
.rel-body .link-more{margin-top:auto;}

/* ===== CTA ===== */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--r-l);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(14px);box-shadow:var(--sh-2);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-panel::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,168,.30),transparent 70%);filter:blur(60px);pointer-events:none;}
.cta-panel > *{position:relative;z-index:2;}
.cta-panel h2{font-size:28px;margin-bottom:10px;}
.cta-panel p{color:var(--ink-2);margin:0;max-width:620px;font-size:15px;}

/* ===== 页脚 ===== */
.footer{background:#050913;border-top:1px solid var(--line);margin-top:auto;}
.footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(46,230,168,.5),transparent);}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:56px 0 36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{font-size:15px;font-weight:800;}
.footer p{color:var(--ink-3);font-size:14px;line-height:1.75;margin:0;max-width:320px;}
.footer h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--ink-1);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--ink-2);}
.footer-links a:hover{color:var(--mint);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2);}
.footer-contact b{color:var(--ink-1);font-weight:600;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-3);}

/* ===== 空态/骨架（预留统一样式） ===== */
.skeleton{background:rgba(255,255,255,.06);border-radius:var(--r-s);height:14px;}

/* ===== 响应式 ===== */
@media (min-width:1440px){
  :root{--side-w:264px;}
  .wrap{padding:0 48px;}
}
@media (max-width:1279px){
  .page-head h1{font-size:38px;}
}
@media (max-width:1023px){
  :root{--side-w:72px;}
  .brand{justify-content:center;padding:0;}
  .brand-text{display:none;}
  .nav-item{justify-content:center;padding:0;gap:0;}
  .nav-item span{display:none;}
  .nav-item .tooltip{display:block;}
  .nav-item:hover .tooltip{opacity:1;visibility:visible;transform:translateY(-50%) translateX(6px);}
  .nav-label{text-align:center;padding:6px 0 4px;font-size:10px;letter-spacing:.06em;}
  .sidebar-foot{padding:12px 10px 16px;}
  .sidebar-foot .btn span{display:none;}
  .sidebar-foot .tiny{display:none;}
  .cta-panel{padding:34px 26px;}
}
@media (max-width:900px){
  .footer-cols{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767px){
  :root{--sec-pad:56px;}
  body{font-size:15.5px;}
  .sidebar{display:none;}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:56px;padding:0 16px;z-index:50;
    background:rgba(9,14,32,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  }
  .topbar .icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--ink-2);}
  .topbar .icon-btn:hover{border-color:var(--mint);color:var(--ink-1);}
  .topbar .icon-btn.glow{background:linear-gradient(135deg,#5FA8FF,#2EE6A8);color:#04121B;border-color:transparent;
    box-shadow:0 0 0 1px rgba(46,230,168,.4),0 8px 20px rgba(46,230,168,.22);}
  .topbar .logo-mini{display:flex;align-items:center;gap:8px;min-width:0;}
  .topbar .logo-mini .logo-mark{width:30px;height:30px;border-radius:9px;}
  .topbar .logo-mini b{font-size:13px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .main{margin-left:0;padding-top:56px;}
  .wrap{padding:0 20px;}
  .infobar{height:auto;min-height:36px;padding:8px 0;font-size:11.5px;}
  .page-head .wrap{padding-top:36px;padding-bottom:36px;}
  .page-head h1{font-size:30px;}
  .page-head .lead{font-size:15px;}
  .sec-title h2{font-size:23px;}
  .sec-head{margin-bottom:24px;}
  .ladder-row{grid-template-columns:1fr;gap:12px;padding:22px 0;}
  .ladder-num{font-size:38px;}
  .zz-row{grid-template-columns:1fr;gap:20px;padding:24px 0;}
  .zz-row:nth-child(even) .zz-media{order:0;}
  .zz-body h3{font-size:19px;}
  .faq-q{font-size:16px;padding:16px;}
  .faq-a p{padding:0 16px 16px;}
  .cta-panel{padding:28px 20px;border-radius:20px;flex-direction:column;align-items:flex-start;}
  .cta-panel h2{font-size:23px;}
  .footer-cols{grid-template-columns:1fr 1fr;padding:40px 0 26px;}
  .footer p{max-width:none;}
}
@media (max-width:520px){
  .footer-cols{grid-template-columns:1fr;}
  .btn{width:100%;}
  .cta-panel .btn{width:100%;}
  .pill{font-size:11.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A18;
  --bg-1:#0B1228;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --ink-1:#F2F6FF;
  --ink-2:#A9B6D4;
  --ink-3:#6C7BA0;
  --brand:#3E7BFA;
  --brand-2:#5FA8FF;
  --mint:#2EE6A8;
  --flare:#FF6A3D;
  --grad-hero:linear-gradient(135deg,#3E7BFA 0%,#7A5CFF 55%,#2EE6A8 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-p:999px;
  --sh-1:0 6px 20px rgba(4,8,20,.45);
  --sh-2:0 18px 48px rgba(4,8,20,.55);
  --glow:0 0 0 1px rgba(46,230,168,.40), 0 10px 28px rgba(46,230,168,.22);
  --mono:"Barlow Condensed","Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(560px 420px at 6% 4%, rgba(62,123,250,.16), transparent 70%),
    radial-gradient(620px 460px at 96% 92%, rgba(46,230,168,.13), transparent 72%);
  filter:blur(30px);
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--mint)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
::selection{background:rgba(46,230,168,.28)}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 40px;position:relative;z-index:1}

/* ---------- 侧栏导航 ---------- */
.shell{display:flex;min-height:100vh;position:relative;z-index:1}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:232px;
  background:rgba(9,14,32,.82);
  border-right:1px solid var(--line);
  backdrop-filter:blur(18px);
  display:flex;flex-direction:column;
  padding:18px 14px 20px;
  z-index:40;
}
.brand{display:flex;align-items:center;gap:10px;height:72px;padding:0 6px 0 8px}
.logo-mark{width:38px;height:38px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;background:linear-gradient(135deg,rgba(62,123,250,.30),rgba(46,230,168,.22));border:1px solid rgba(255,255,255,.14);box-shadow:0 0 18px rgba(46,230,168,.18)}
.logo-mark svg{width:24px;height:24px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.logo-text i{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--ink-3);white-space:nowrap}
.nav-list{display:flex;flex-direction:column;gap:6px;margin-top:14px;flex:1}
.nav-label{font-size:11px;letter-spacing:.14em;color:var(--ink-3);padding:10px 12px 4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  color:var(--ink-2);font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{width:18px;font-size:16px;text-align:center;color:var(--brand-2);flex:0 0 auto}
.nav-item span:not(.tooltip){white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--ink-1)}
.nav-item.is-active{background:rgba(46,230,168,.10);color:var(--ink-1)}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--mint);box-shadow:0 0 12px rgba(46,230,168,.7)}
.nav-item.is-active i{color:var(--mint)}
.tooltip{
  position:absolute;left:100%;top:50%;transform:translate(10px,-50%);
  background:rgba(11,18,40,.96);border:1px solid var(--line);
  color:var(--ink-1);font-size:12px;padding:5px 10px;border-radius:8px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .18s ease;
  z-index:60;
}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding:12px 4px 0}
.sidebar-foot .copy{font-size:11px;color:var(--ink-3);letter-spacing:.02em}

/* ---------- 移动顶栏 + 抽屉 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 14px;background:rgba(9,14,32,.9);
  border-bottom:1px solid var(--line);backdrop-filter:blur(16px);
}
.topbar .icon-btn{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-1);cursor:pointer;
}
.topbar .icon-btn.glow{background:linear-gradient(135deg,rgba(62,123,250,.85),rgba(46,230,168,.75));border-color:transparent;color:#fff;box-shadow:var(--glow)}
.topbar .brand{height:auto;padding:0;gap:8px}
.topbar .logo-mark{width:30px;height:30px;border-radius:9px}
.topbar .logo-mark svg{width:19px;height:19px}
.topbar .logo-text b{font-size:14px}
.topbar .logo-text i{font-size:10px}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;z-index:70;
  background:rgba(8,13,30,.97);border-left:1px solid var(--line);
  padding:20px 16px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .3s ease;
  backdrop-filter:blur(18px);
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer .brand{margin-bottom:12px}
.drawer .nav-list{margin-top:6px}

/* ---------- 主内容 ---------- */
.main{margin-left:232px;flex:1;min-width:0;display:flex;flex-direction:column;position:relative;z-index:1}
.ticker{
  height:36px;display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);
  font-size:12px;color:var(--ink-3);padding:0 40px;letter-spacing:.02em;
  overflow:hidden;white-space:nowrap;
}
.ticker b{color:var(--mint);font-weight:600}
.ticker .dot{width:6px;height:6px;border-radius:50%;background:var(--flare);box-shadow:0 0 10px rgba(255,106,61,.9);flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-p);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-hero);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--mint);color:var(--ink-1);transform:translateY(-2px)}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--mint);font-size:14px;font-weight:600}
.link-more i{transition:transform .2s ease}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;min-height:180px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:52px 0 46px;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,40,.85),rgba(6,10,24,.6));
}
.page-head::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:420px;
  background:radial-gradient(460px 220px at 50% 40%,rgba(62,123,250,.22),transparent 70%),
             radial-gradient(360px 200px at 68% 70%,rgba(46,230,168,.16),transparent 72%);
  filter:blur(20px);pointer-events:none;
}
.page-head .wrap{display:flex;flex-direction:column;align-items:center;gap:14px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-3)}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--mint)}
.crumbs .sep{color:rgba(255,255,255,.18)}
.crumbs .cur{color:var(--ink-2)}
.page-head h1{
  font-size:48px;line-height:1.22;font-weight:800;letter-spacing:.005em;
  max-width:900px;
}
.head-sub{font-size:16px;color:var(--ink-2);max-width:720px;line-height:1.75}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:4px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-p);
  background:var(--panel);border:1px solid var(--line);
  font-size:12px;color:var(--ink-2);
}
.tag.is-mint{border-color:rgba(46,230,168,.35);color:var(--mint)}

/* ---------- 板块 ---------- */
.section{padding:72px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(11,18,40,.55),rgba(6,10,24,0))}
.sec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{display:flex;gap:14px;align-items:flex-start}
.sec-title .bar{width:3px;border-radius:3px;background:var(--mint);box-shadow:0 0 14px rgba(46,230,168,.75);align-self:stretch;min-height:34px;margin-top:4px}
.sec-title .num{font-family:var(--mono);font-size:14px;color:var(--ink-3);letter-spacing:.12em;line-height:1.4;padding-top:6px}
.sec-title h2{font-size:32px;line-height:1.25;font-weight:700}
.sec-title .sec-desc{font-size:14px;color:var(--ink-3);margin-top:8px;max-width:620px;line-height:1.7}

/* ---------- 搜索条 ---------- */
.search-sec{padding:44px 0 8px}
.searchbar{
  display:flex;align-items:center;gap:12px;
  max-width:760px;margin:0 auto;
  padding:8px 8px 8px 22px;border-radius:var(--r-p);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(14px);box-shadow:var(--sh-1);
}
.searchbar>i{color:var(--ink-3);font-size:16px}
.searchbar input{
  flex:1;min-width:0;height:46px;background:transparent;border:0;outline:none;
  color:var(--ink-1);font-size:15px;
}
.searchbar input::placeholder{color:var(--ink-3)}
.searchbar .btn{height:42px;padding:0 22px}
.searchbar:focus-within{border-color:rgba(46,230,168,.45);box-shadow:0 0 0 3px rgba(46,230,168,.14)}

/* ---------- 锚点标签行 ---------- */
.anchor-row{
  display:flex;gap:10px;overflow-x:auto;padding:26px 2px 8px;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
}
.anchor-row::-webkit-scrollbar{height:4px}
.anchor-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:4px}
.anchor{
  flex:0 0 auto;scroll-snap-align:start;
  padding:10px 20px;border-radius:var(--r-p);
  background:var(--panel);border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.anchor:hover{color:var(--ink-1);border-color:rgba(46,230,168,.35);transform:translateY(-2px)}
.anchor.is-active{background:var(--mint);border-color:transparent;color:#04140F;font-weight:700}
.anchor.is-active:hover{color:#04140F}

/* ---------- 概览卡 ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  overflow:hidden;height:100%;
}
.card:hover{transform:translateY(-4px);border-color:rgba(46,230,168,.35);box-shadow:var(--sh-2)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-1)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,24,.05),rgba(6,10,24,.72))}
.card-body{padding:20px}
.card-body h3{font-size:22px;line-height:1.3;font-weight:700;margin-bottom:10px}
.card-body h4{font-size:18px;line-height:1.35;font-weight:700;margin-bottom:8px}
.card-body p{font-size:14px;color:var(--ink-2);line-height:1.75}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-p);
  font-size:12px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2);
  margin-bottom:12px;
}
.badge.live{background:rgba(255,106,61,.16);border-color:rgba(255,106,61,.4);color:#FFD8C8}
.badge.live .pulse{width:6px;height:6px;border-radius:50%;background:var(--flare);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.dot-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.7}
.dot-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--mint);box-shadow:0 0 10px rgba(46,230,168,.6)}
.mini-card{padding:20px;display:flex;flex-direction:column;gap:8px}
.mini-card .mini-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:rgba(62,123,250,.16);border:1px solid rgba(95,168,255,.3);color:var(--brand-2);font-size:15px}
.mini-card h4{font-size:17px;font-weight:700}
.mini-card p{font-size:14px;color:var(--ink-2);line-height:1.7}
.mini-card .num{font-family:var(--mono);font-size:26px;color:var(--ink-1);letter-spacing:.04em}

/* ---------- 手风琴 ---------- */
.acc-group{margin-bottom:34px}
.acc-group:last-child{margin-bottom:0}
.acc-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-3);letter-spacing:.06em;
  margin-bottom:14px;
}
.acc-group-title::after{content:"";flex:1;height:1px;background:var(--line)}
.acc{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.acc[open]{border-color:rgba(46,230,168,.32);background:var(--panel-2)}
.acc summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink-1);
}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{color:var(--mint)}
.acc .acc-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-2);font-size:12px;
  transition:transform .18s ease,color .18s ease,border-color .18s ease;
}
.acc[open] .acc-icon{transform:rotate(180deg);color:var(--mint);border-color:rgba(46,230,168,.45)}
.acc-body{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.8}

/* ---------- 对照表卡 ---------- */
.spec-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);backdrop-filter:blur(14px);
}
.spec-head{
  display:grid;grid-template-columns:240px 1fr;gap:16px;
  padding:16px 22px;background:rgba(255,255,255,.06);
  font-size:13px;color:var(--ink-2);letter-spacing:.06em;border-bottom:1px solid var(--line);
}
.spec-row{
  display:grid;grid-template-columns:240px 1fr;gap:16px;
  padding:16px 22px;border-bottom:1px solid var(--line);
  transition:background .2s ease;font-size:15px;
}
.spec-row:last-child{border-bottom:0}
.spec-row:hover{background:rgba(255,255,255,.05)}
.spec-key{color:var(--ink-3);font-size:14px}
.spec-val{color:var(--ink-1);line-height:1.75}
.spec-val em{font-style:normal;color:var(--mint)}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start}
.form-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px;box-shadow:var(--sh-1);backdrop-filter:blur(14px);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.field label .req{color:var(--flare);margin-left:4px}
.field input,.field textarea{
  width:100%;background:rgba(255,255,255,.045);
  border:1px solid var(--line);border-radius:var(--r-s);
  padding:12px 14px;font-size:15px;color:var(--ink-1);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:132px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--mint);background:rgba(46,230,168,.05);
  box-shadow:0 0 0 3px rgba(46,230,168,.18);
}
.field.has-error input,.field.has-error textarea{border-color:var(--flare)}
.err{display:none;margin-top:6px;font-size:13px;color:var(--flare)}
.err.show{display:block}
.form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-s);
  background:rgba(46,230,168,.10);border:1px solid rgba(46,230,168,.34);
  font-size:14px;color:var(--mint);
}
.form-ok.show{display:block}
.form-note{font-size:13px;color:var(--ink-3);margin-top:14px;line-height:1.7}
.aside-figure{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);
}
.aside-figure .fig-media{aspect-ratio:4/3;overflow:hidden}
.aside-figure img{width:100%;height:100%;object-fit:cover}
.aside-figure .fig-body{padding:20px}
.aside-figure h4{font-size:17px;font-weight:700;margin-bottom:8px}
.aside-figure p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:40px;border-radius:var(--r-l);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--sh-2);backdrop-filter:blur(14px);
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(46,230,168,.22),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{font-size:32px;line-height:1.25;font-weight:700;margin-bottom:10px}
.cta-panel p{font-size:15px;color:var(--ink-2);max-width:620px}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:auto;background:#050913;
  border-top:1px solid rgba(255,255,255,.07);
  position:relative;z-index:1;
}
.footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,230,168,.45),transparent);
}
.footer .wrap{padding-top:56px;padding-bottom:28px}
.footer-cols{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:34px;border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:16px;font-weight:800}
.footer h4{font-size:14px;font-weight:700;color:var(--ink-1);margin-bottom:14px}
.footer p{font-size:14px;color:var(--ink-3);line-height:1.75;max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-2);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--mint);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-3)}
.footer-contact b{color:var(--ink-2);font-weight:600}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:20px;font-size:12px;color:var(--ink-3);flex-wrap:wrap;
}

/* ---------- 空态与骨架 ---------- */
.empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:48px 20px;border-radius:var(--r-m);
  background:var(--panel);border:1px dashed var(--line);text-align:center;
}
.empty i{font-size:26px;color:var(--ink-3)}
.empty p{font-size:14px;color:var(--ink-2)}
.skeleton{background:rgba(255,255,255,.06);border-radius:8px;height:14px}
.skeleton.w60{width:60%}
.skeleton.w40{width:40%}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .sidebar{width:232px}
}
@media (max-width:1023px){
  .sidebar{width:72px;padding:18px 10px}
  .sidebar .logo-text,.sidebar .nav-label,.sidebar .nav-item span:not(.tooltip),.sidebar-foot .copy{display:none}
  .sidebar .nav-item{justify-content:center;padding:0}
  .sidebar .nav-item i{width:auto}
  .sidebar-foot .btn{padding:0;height:46px}
  .sidebar-foot .btn span.label{display:none}
  .sidebar-foot .btn i{font-size:16px}
  .main{margin-left:72px}
  .ticker{padding:0 24px}
  .wrap{padding:0 28px}
  .nav-item:hover .tooltip{opacity:1}
  .page-head h1{font-size:38px}
  .sec-title h2{font-size:28px}
}
@media (max-width:767px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .ticker{padding:0 18px;height:34px}
  .wrap{padding:0 20px}
  .page-head{padding:38px 0 34px;min-height:auto}
  .page-head h1{font-size:32px}
  .head-sub{font-size:15px}
  .section{padding:56px 0}
  .search-sec{padding:32px 0 4px}
  .searchbar{padding:6px 6px 6px 16px;gap:8px}
  .searchbar .btn{height:40px;padding:0 16px;font-size:14px}
  .sec-title h2{font-size:24px}
  .cta-panel{flex-direction:column;align-items:center;text-align:center;padding:32px 22px}
  .cta-panel h2{font-size:24px}
  .form-grid{grid-template-columns:1fr;gap:20px}
  .spec-head{display:none}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:14px 18px}
  .spec-key{font-size:13px;color:var(--ink-2)}
  .footer-cols{grid-template-columns:1fr 1fr;gap:24px}
  .footer p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .form-card{padding:22px}
}
@media (max-width:520px){
  .page-head h1{font-size:27px;line-height:1.3}
  .sec-title h2{font-size:22px}
  .card-body h3{font-size:19px}
  .anchor{padding:9px 16px;font-size:13px}
  .btn{height:42px;padding:0 20px;font-size:14px}
  .footer-cols{grid-template-columns:1fr}
  .ticker span.extra{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .card:hover,.btn:hover,.anchor:hover{transform:none}
}