/* roulang page: index */
:root{
  --bg-0:#060A14; --bg-1:#0B1120; --bg-2:#111A2C;
  --brand:#23E0C4; --accent:#FF6A2B; --violet:#6C7BFF;
  --tx-1:#E8EDF7; --tx-2:#9AA7BD; --tx-3:#5F6B82;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --r-sm:8px; --r-card:16px; --r-lg:20px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-float:0 24px 64px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--tx-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.88;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{color:var(--tx-1);margin:0;line-height:1.25}
p{margin:0}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:72px 0;position:relative}
@media (min-width:1024px){.section{padding:104px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{font-size:clamp(1.5rem,2.6vw,2.15rem);font-weight:600;position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--brand);box-shadow:0 0 12px rgba(35,224,196,.7)}
.sec-desc{font-size:14px;color:var(--tx-3);max-width:56ch;margin-top:8px}
.link-more{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid transparent;padding-bottom:2px;transition:.18s}
.link-more:hover{border-color:var(--brand)}
.card{background:linear-gradient(160deg,var(--bg-2),var(--bg-1));border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:transform .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.32)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#052A25;box-shadow:0 0 0 1px rgba(35,224,196,.5),0 8px 28px rgba(35,224,196,.28)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08)}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--tx-1);backdrop-filter:blur(14px)}
.btn-ghost:hover{border-color:rgba(35,224,196,.6);color:#fff}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.02em;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--glass);color:var(--tx-2)}
.badge-live{background:var(--accent);border-color:transparent;color:#fff;font-weight:600}
.pulse{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.72)}}
.glow{position:absolute;border-radius:50%;pointer-events:none;z-index:0}
.glow-cyan{width:620px;height:620px;background:radial-gradient(circle,rgba(35,224,196,.12),transparent 70%)}
.glow-orange{width:420px;height:420px;background:radial-gradient(circle,rgba(255,106,43,.08),transparent 70%)}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:72px;background:rgba(6,10,20,.55);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:height .24s ease,background .24s ease}
.site-header.scrolled{height:60px;background:rgba(6,10,20,.86)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--tx-1);font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px 2px rgba(35,224,196,.75)}
.nav-links{display:none;align-items:center;gap:30px}
.nav-link{position:relative;font-size:14.5px;color:var(--tx-2);padding:6px 2px;transition:color .16s}
.nav-link:hover{color:var(--tx-1)}
.nav-link.active{color:var(--tx-1)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(35,224,196,.75)}
.nav-cta{display:none}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--glass);color:var(--tx-1)}
@media (min-width:1024px){.nav-links{display:flex}.nav-cta{display:inline-flex}.nav-toggle{display:none}}
.drawer{position:fixed;inset:0;z-index:70;background:rgba(6,10,20,.95);backdrop-filter:blur(18px);transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:22px 24px 34px}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.drawer a.drawer-link{display:block;font-size:18px;color:var(--tx-1);padding:16px 0;border-bottom:1px solid var(--line)}
.drawer a.drawer-link:hover{color:var(--brand)}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--tx-1);display:inline-flex;align-items:center;justify-content:center}

/* hero */
.hero{position:relative;min-height:84vh;display:flex;align-items:center;padding:130px 0 64px;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-mask{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.78) 38%,rgba(6,10,20,.38) 70%,rgba(6,10,20,.86) 100%),
  linear-gradient(180deg,rgba(6,10,20,.7) 0%,rgba(6,10,20,0) 28%,rgba(6,10,20,.98) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;gap:44px;width:100%}
@media (min-width:1024px){.hero-inner{grid-template-columns:minmax(0,1fr) 350px;align-items:center;gap:56px}}
.hero-copy{max-width:640px}
.hero-title{font-size:clamp(2rem,4.2vw,3.4rem);font-weight:700;letter-spacing:-.02em;line-height:1.18;margin:20px 0 0}
.hero-sub{font-size:clamp(15px,1.6vw,17px);color:var(--tx-2);margin-top:18px;max-width:46ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:20px;margin-top:38px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stat{padding-right:20px;border-right:1px solid var(--line)}
.hero-stat:last-child{border-right:none;padding-right:0}
.hero-stat b{display:block;color:var(--brand);font-size:1.35rem;font-variant-numeric:tabular-nums}
.hero-stat span{font-size:12.5px;color:var(--tx-3);letter-spacing:.02em}
.glass-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);backdrop-filter:blur(14px);box-shadow:var(--shadow-float)}
.hero-side{display:none;padding:22px}
@media (min-width:1024px){.hero-side{display:block}}
.hero-side h3{font-size:15px;margin-bottom:14px}
.sched-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.sched-row:last-child{border-bottom:none}
.sched-row .t{font-size:12.5px;color:var(--tx-3);font-variant-numeric:tabular-nums}
.sched-row .m{font-size:14px;color:var(--tx-1)}
.sched-row .h{font-size:12.5px;color:var(--accent);font-variant-numeric:tabular-nums}

/* rail */
.rail-wrap{position:relative}
.rail{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 10px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 200px;scroll-snap-align:start;position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--bg-2);transition:transform .2s ease,border-color .2s ease}
@media (min-width:1024px){.rail-card{flex:0 0 260px}}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.32)}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(150deg,var(--bg-2),var(--bg-1))}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.rail-card:hover .rail-thumb img{transform:scale(1.03)}
.rail-thumb .tagline{position:absolute;top:10px;left:10px}
.rail-body{padding:12px 14px 14px}
.rail-body h3{font-size:15px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-body span{display:block;font-size:12.5px;color:var(--tx-3);margin-top:6px}
.rail-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(17,26,44,.8);backdrop-filter:blur(10px);color:var(--tx-1);display:none;align-items:center;justify-content:center;z-index:5;transition:.18s}
.rail-btn:hover{border-color:rgba(35,224,196,.6);box-shadow:0 0 18px rgba(35,224,196,.28)}
.rail-btn.prev{left:-6px}
.rail-btn.next{right:-6px}
@media (min-width:1024px){.rail-btn{display:inline-flex}}

/* hot grid */
.hot-grid{display:grid;gap:18px}
@media (min-width:1024px){.hot-grid{grid-template-columns:repeat(4,1fr);grid-auto-rows:150px}}
.hot-main{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--bg-2);min-height:260px}
@media (min-width:1024px){.hot-main{grid-column:span 2;grid-row:span 2}}
.hot-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hot-main .over{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.1),rgba(6,10,20,.92));display:flex;flex-direction:column;justify-content:flex-end;padding:22px}
.hot-main h3{font-size:1.25rem;margin-bottom:8px}
.hot-mini{overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:var(--bg-2);transition:transform .2s,border-color .2s;display:flex;flex-direction:column}
.hot-mini:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.32)}
.hot-mini .th{aspect-ratio:16/10;overflow:hidden;background:var(--bg-1)}
.hot-mini .th img{width:100%;height:100%;object-fit:cover}
.hot-mini h4{font-size:14px;font-weight:600;color:var(--tx-1);padding:10px 12px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

/* split */
.split{display:grid;gap:28px}
@media (min-width:1024px){.split{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px}}
.feature-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);transition:.18s}
.feature-row:hover h4{color:var(--brand)}
.feature-row img{width:150px;height:94px;object-fit:cover;border-radius:12px;flex:0 0 auto;background:var(--bg-2)}
.feature-row h4{font-size:16px;font-weight:600;color:var(--tx-1);transition:color .18s}
.feature-row p{font-size:13.5px;color:var(--tx-3);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-sticky{position:static}
@media (min-width:1280px){.side-sticky{position:sticky;top:92px}}
.rank-item{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.rank-item:last-child{border-bottom:none}
.rank-no{font-size:1.5rem;font-weight:700;color:transparent;-webkit-text-stroke:1px rgba(35,224,196,.7);font-variant-numeric:tabular-nums;min-width:38px}
.rank-item h4{font-size:14.5px;font-weight:500;color:var(--tx-1)}
.rank-item span{font-size:12.5px;color:var(--tx-3)}
.quick{display:grid;gap:12px;margin-top:18px}
.quick a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 16px;border-radius:14px;border:1px solid var(--line);background:var(--glass);color:var(--tx-1);font-size:14px;transition:.18s}
.quick a:hover{border-color:rgba(35,224,196,.55);color:var(--brand)}

/* news */
.news-card{display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--r-card);border:1px solid var(--line);background:linear-gradient(160deg,var(--bg-2),var(--bg-1));box-shadow:var(--shadow-card);transition:transform .2s,border-color .2s}
.news-card:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.3)}
.news-card h3{font-size:1.05rem;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;line-height:1.75;color:var(--tx-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--tx-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.news-meta .arrow{margin-left:auto;color:var(--brand)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:12px;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg-1);color:var(--tx-3);font-size:14px}

/* block A/B/C */
.blockA{display:grid;gap:18px}
@media (min-width:1024px){.blockA{grid-template-columns:repeat(3,1fr);grid-auto-rows:170px}}
.blockA .big{grid-column:span 3;grid-row:span 2;position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);min-height:240px}
@media (min-width:1024px){.blockA .big{grid-column:span 2}}
.blockA .small{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);min-height:180px;background:var(--bg-2)}
.blockA .big img,.blockA .small img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.blockA .label{position:absolute;inset:auto 0 0 0;padding:18px;background:linear-gradient(180deg,transparent,rgba(6,10,20,.92))}
.blockA .label h4{font-size:1rem}
.blockA .label span{font-size:12.5px;color:var(--tx-3)}
.listB{border-top:1px solid var(--line)}
.rowB{display:grid;grid-template-columns:112px 1fr;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:.18s}
.rowB:hover h4{color:var(--brand)}
.rowB img{width:112px;height:74px;object-fit:cover;border-radius:12px;background:var(--bg-2)}
.rowB h4{font-size:15.5px;font-weight:600}
.rowB p{font-size:13.5px;color:var(--tx-3);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tagsC{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tagC{font-size:13px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass);color:var(--tx-2);transition:.18s}
.tagC:hover{color:var(--tx-1);border-color:rgba(35,224,196,.5)}
.tagC.on{background:var(--brand);color:#052A25;border-color:transparent;font-weight:600}
.gridC{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media (min-width:768px){.gridC{grid-template-columns:repeat(4,1fr)}}
.cardC{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);aspect-ratio:3/4;background:var(--bg-2)}
.cardC img{width:100%;height:100%;object-fit:cover;transition:transform .25s}
.cardC:hover img{transform:scale(1.04)}
.cardC .cap{position:absolute;inset:auto 0 0 0;padding:14px;background:linear-gradient(180deg,transparent,rgba(6,10,20,.94))}
.cardC .cap h4{font-size:14.5px}
.cardC .cap span{font-size:12px;color:var(--tx-3)}

/* cta */
.cta-band{position:relative;overflow:hidden;border-radius:0;padding:0}
.cta-inner{position:relative;min-height:320px;display:flex;align-items:center;justify-content:center;padding:56px 20px;background:var(--bg-1);overflow:hidden}
.cta-inner .bgimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(6px) saturate(1.1);opacity:.22}
.cta-box{position:relative;z-index:2;width:100%;max-width:1040px;padding:36px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);box-shadow:var(--shadow-float);display:grid;gap:24px}
@media (min-width:1024px){.cta-box{grid-template-columns:1fr auto;align-items:center;gap:32px}}
.cta-box h2{font-size:clamp(1.4rem,2.4vw,2rem)}
.cta-box p{font-size:14.5px;color:var(--tx-2);margin-top:10px}

/* faq */
.faq-grid{display:grid;gap:0}
@media (min-width:1024px){.faq-grid{grid-template-columns:1fr 1fr;column-gap:40px}}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:none;color:var(--tx-1);text-align:left;font-size:16px;font-weight:600;padding:20px 0 20px 14px;cursor:pointer;position:relative}
.faq-q::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:transparent;transition:background .2s}
.faq-item.open .faq-q::before{background:var(--brand);box-shadow:0 0 10px rgba(35,224,196,.7)}
.faq-q .ic{color:var(--brand);font-size:18px;transition:transform .24s;flex:0 0 auto}
.faq-item.open .faq-q .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{font-size:14px;line-height:1.8;color:var(--tx-2);padding:0 0 20px 14px}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 28px;position:relative}
.foot-grid{display:grid;gap:36px}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.foot-title{font-size:13px;letter-spacing:.08em;color:var(--tx-3);margin-bottom:16px}
.foot-link{display:block;font-size:14px;color:var(--tx-2);padding:6px 0;transition:color .18s}
.foot-link:hover{color:var(--brand)}
.foot-bottom{margin-top:48px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:var(--tx-3)}
.qr{width:96px;height:96px;border-radius:12px;border:1px solid var(--line);background:linear-gradient(140deg,var(--bg-2),var(--bg-1));display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--tx-3);text-align:center;line-height:1.5}

/* roulang page: article */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1120;
  --bg-2:#111A2C;
  --brand:#23E0C4;
  --accent:#FF6A2B;
  --violet:#6C7BFF;
  --tx-1:#E8EDF7;
  --tx-2:#9AA7BD;
  --tx-3:#5F6B82;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-float:0 24px 64px rgba(0,0,0,.6);
  --sh-glow:0 0 0 1px rgba(35,224,196,.5), 0 8px 28px rgba(35,224,196,.28);
}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:700}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.92)}
.nav-wrap{display:flex;align-items:center;gap:32px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--tx-1);font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;
}
.brand-dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 10px rgba(35,224,196,.9);flex:none;
}
.nav-links{display:flex;align-items:center;gap:30px;margin:0 auto}
.nav-link{
  position:relative;font-size:15px;color:var(--tx-2);padding:4px 2px;
  transition:color .16s ease;
}
.nav-link:hover{color:var(--tx-1)}
.nav-link.active{color:var(--tx-1)}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(35,224,196,.7);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,filter .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand);color:#04211D;box-shadow:var(--sh-glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--tx-1)}
.btn-ghost:hover{border-color:rgba(35,224,196,.6);color:#fff}
.btn-block{width:100%}
.nav-cta{padding:0 20px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--tx-1);cursor:pointer;transition:.2s;
}
.nav-toggle:hover{border-color:rgba(35,224,196,.5);color:#fff}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;
  padding:20px;background:rgba(6,10,20,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:52px}
.drawer-close{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--tx-1);cursor:pointer;
}
.drawer-close:hover{border-color:rgba(35,224,196,.5)}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin:28px 0 auto}
.drawer-links a{
  font-size:18px;color:var(--tx-1);padding:12px 4px;
  border-bottom:1px solid var(--line);transition:color .16s ease;
}
.drawer-links a:hover{color:var(--brand)}

/* ===== 文章头部 ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:148px 0 54px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(6,10,20,.74) 0%,rgba(6,10,20,.9) 62%,rgba(6,10,20,.98) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;width:620px;height:620px;left:-160px;top:-260px;
  background:radial-gradient(circle,rgba(35,224,196,.12),transparent 70%);pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-100px;bottom:-200px;
  background:radial-gradient(circle,rgba(255,106,43,.08),transparent 70%);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--tx-3);letter-spacing:.02em}
.crumb a{transition:color .16s ease}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:rgba(255,255,255,.18)}
.crumb-cur{color:var(--brand)}
.article-title{
  margin:18px 0 0;max-width:920px;
  font-size:clamp(1.75rem,4vw,2.5rem);
  line-height:1.24;letter-spacing:-.02em;font-weight:700;color:var(--tx-1);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:12.5px;color:var(--tx-3);letter-spacing:.02em;
}
.meta-row .sep{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.22);flex:none}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--glass);
  color:var(--tx-2);font-size:12.5px;
}
.meta-chip .live-dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px rgba(255,106,43,.9);animation:pulse 1.8s infinite ease-in-out;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}

/* ===== 正文布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding-top:64px}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:56px}
}
.article-main{min-width:0;max-width:790px}
.toc-mobile{
  border:1px solid var(--line);background:var(--bg-2);border-radius:var(--r-md);
  padding:12px 16px;margin-bottom:26px;
}
.toc-mobile summary{
  cursor:pointer;font-size:13.5px;color:var(--tx-1);font-weight:600;list-style:none;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::before{content:"≡ ";color:var(--brand)}
.toc-mobile .toc-link{padding:8px 0 8px 10px}
@media (min-width:1280px){.toc-mobile{display:none}}

.article-body{font-size:16px;line-height:1.9;color:var(--tx-2);word-break:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 18px;max-width:78ch}
.article-body h2{
  position:relative;margin:48px 0 16px;padding-left:14px;
  font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:600;line-height:1.4;color:var(--tx-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 12px rgba(35,224,196,.6);
}
.article-body h3{margin:32px 0 12px;font-size:20px;font-weight:600;color:var(--tx-1)}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--tx-1)}
.article-body img{border-radius:14px;margin:26px auto;box-shadow:var(--sh-card)}
.article-body figure{margin:26px 0}
.article-body figcaption,
.article-body em.caption{display:block;text-align:center;margin-top:10px;font-size:13px;color:var(--tx-3)}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--accent);
  background:var(--glass);border-radius:0 12px 12px 0;color:var(--tx-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:10px;line-height:1.8}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand)}
.article-body strong{color:var(--tx-1)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(35,224,196,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:40px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;overflow:hidden;border-radius:12px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(255,255,255,.04);color:var(--tx-1);font-weight:600}
.article-body code{
  background:rgba(255,255,255,.06);border-radius:6px;padding:2px 6px;
  font-size:14px;color:var(--brand);
}
.article-body pre{
  background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
  padding:18px;overflow-x:auto;font-size:13.5px;line-height:1.7;
}

/* 空态 */
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--r-lg);
  background:var(--bg-2);padding:56px 24px;text-align:center;
}
.empty-state svg{margin:0 auto 18px;color:var(--tx-3)}
.empty-state p{font-size:15px;color:var(--tx-2);margin-bottom:20px}

/* ===== 侧栏 ===== */
.article-side{display:flex;flex-direction:column;gap:20px}
@media (min-width:1280px){
  .article-side{position:sticky;top:96px;align-self:start}
}
.side-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-card);
}
.side-title{
  font-size:13px;font-weight:600;color:var(--tx-1);letter-spacing:.08em;margin-bottom:14px;
}
.toc{display:flex;flex-direction:column}
.toc-link{
  display:block;font-size:13.5px;line-height:1.7;color:var(--tx-2);
  padding:7px 0 7px 12px;border-left:2px solid var(--line);
  transition:color .16s ease,border-color .16s ease;overflow:hidden;text-overflow:ellipsis;
}
.toc-link:hover{color:var(--tx-1);border-color:rgba(35,224,196,.6)}
.toc-link.is-active{color:var(--brand);border-color:var(--brand)}
.side-card .btn+.btn{margin-top:10px}

/* ===== 文章底部 ===== */
.article-foot{margin-top:56px;border-top:1px solid var(--line);padding-top:28px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--glass);
  font-size:13px;color:var(--tx-2);transition:.2s ease;
}
.tag:hover{border-color:rgba(35,224,196,.55);color:var(--tx-1);transform:translateY(-1px)}

.dual-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:32px}
@media (min-width:720px){.dual-grid{grid-template-columns:1fr 1fr}}
.dual-card{
  position:relative;display:block;padding:22px 24px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--bg-1);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.dual-card:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.3);background:var(--bg-2)}
.dual-label{font-size:12px;color:var(--tx-3);letter-spacing:.1em}
.dual-title{margin-top:8px;font-size:16px;font-weight:600;color:var(--tx-1);line-height:1.5;padding-right:30px}
.dual-arrow{position:absolute;right:22px;bottom:20px;color:var(--brand);font-size:18px}

/* ===== 推荐 ===== */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-head h2{
  position:relative;padding-left:12px;font-size:clamp(1.15rem,2vw,1.4rem);font-weight:600;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 12px rgba(35,224,196,.6);
}
.sec-more{font-size:13.5px;color:var(--tx-2);border-bottom:2px solid transparent;padding-bottom:2px;transition:.18s}
.sec-more:hover{color:var(--brand);border-bottom-color:var(--brand)}
.rec-section{margin-top:72px}
.rec-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-card{
  display:block;overflow:hidden;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--bg-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.3);box-shadow:var(--sh-card)}
.rec-thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(140deg,var(--bg-2),var(--bg-1));overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:16px 18px 20px}
.rec-cat{font-size:12px;color:var(--brand);letter-spacing:.06em}
.rec-title{margin-top:8px;font-size:15.5px;font-weight:600;color:var(--tx-1);line-height:1.55}
.rec-meta{margin-top:12px;font-size:12.5px;color:var(--tx-3)}
.badge{
  position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);font-size:11.5px;font-weight:600;
  background:rgba(255,106,43,.92);color:#fff;letter-spacing:.04em;
}
.badge .live-dot{width:5px;height:5px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite ease-in-out}

/* ===== CTA ===== */
.cta-band{margin-top:88px}
.cta-card{
  position:relative;overflow:hidden;display:flex;flex-wrap:wrap;gap:28px;
  align-items:center;justify-content:space-between;
  padding:40px 36px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--bg-2);box-shadow:var(--sh-float);
}
.cta-card::before{
  content:"";position:absolute;width:420px;height:420px;left:-120px;top:-200px;
  background:radial-gradient(circle,rgba(35,224,196,.14),transparent 70%);
}
.cta-card::after{
  content:"";position:absolute;width:340px;height:340px;right:-110px;bottom:-180px;
  background:radial-gradient(circle,rgba(255,106,43,.1),transparent 70%);
}
.cta-card>*{position:relative;z-index:2}
.cta-title{font-size:clamp(1.25rem,2.4vw,1.7rem);font-weight:700;line-height:1.35}
.cta-sub{margin-top:12px;max-width:56ch;font-size:14.5px;color:var(--tx-2);line-height:1.85}
.back-row{display:flex;justify-content:center;margin-top:36px}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:96px;border-top:1px solid var(--line);
  background:var(--bg-1);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 0}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot-title{font-size:13px;font-weight:600;color:var(--tx-1);letter-spacing:.08em;margin-bottom:16px}
.foot-link{display:block;font-size:14px;color:var(--tx-2);padding:6px 0;transition:color .16s ease}
.foot-link:hover{color:var(--brand)}
.qr{
  width:104px;height:104px;border:1px dashed rgba(255,255,255,.18);border-radius:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:var(--tx-3);background:var(--glass);
}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:48px;padding:22px 0 28px;
  font-size:13px;color:var(--tx-3);
}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .page-hero{padding-top:120px}
}
@media (max-width:640px){
  .article-layout{padding-top:44px}
  .cta-card{padding:28px 22px}
  .article-title{margin-top:14px}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1120;
  --bg-2:#111A2C;
  --brand:#23E0C4;
  --accent:#FF6A2B;
  --violet:#6C7BFF;
  --tx-1:#E8EDF7;
  --tx-2:#9AA7BD;
  --tx-3:#5F6B82;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-float:0 24px 64px rgba(0,0,0,.6);
  --glow:0 0 0 1px rgba(35,224,196,.5),0 8px 28px rgba(35,224,196,.28);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.88;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:600;line-height:1.3}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,20,.74);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.94)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--tx-1);font-weight:700;font-size:18px;letter-spacing:.01em;line-height:1}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(35,224,196,.9);flex:0 0 8px}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;color:var(--tx-2);font-size:15px;padding:6px 0;transition:color .16s ease}
.nav-link:hover{color:var(--tx-1)}
.nav-link.active{color:var(--tx-1)}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(35,224,196,.75);
}
.nav-cta{margin-left:10px;min-height:42px;padding:0 20px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);color:var(--tx-1);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(35,224,196,.55);color:var(--brand)}

/* drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:140;display:flex;flex-direction:column;
  padding:22px 24px 36px;
  background:rgba(6,10,20,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.nav-drawer.open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:48px}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line);color:var(--tx-1);background:var(--glass);
}
.drawer-close:hover{color:var(--brand);border-color:rgba(35,224,196,.5)}
.drawer-links{display:flex;flex-direction:column;margin-top:34px}
.drawer-links a{
  font-size:18px;color:var(--tx-1);padding:16px 2px;
  border-bottom:1px solid var(--line);transition:color .18s ease;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand)}
.drawer-cta{margin-top:auto;width:100%}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#05201C;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  border-color:var(--line);background:var(--glass);color:var(--tx-1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:rgba(35,224,196,.6);color:var(--brand)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14.5px;font-weight:600;padding:4px 0;position:relative;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;opacity:.75;
}
.btn-text:hover::after{transform:scaleX(1)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-media{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  filter:saturate(.92) brightness(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(6,10,20,.97) 0%,rgba(6,10,20,.86) 40%,rgba(6,10,20,.5) 100%);
}
.page-hero-glow{
  position:absolute;z-index:1;width:620px;height:620px;left:-160px;top:-240px;
  background:radial-gradient(circle,rgba(35,224,196,.12) 0%,rgba(35,224,196,0) 68%);
  pointer-events:none;
}
.page-hero-glow.two{
  width:420px;height:420px;left:auto;right:-120px;top:auto;bottom:-200px;
  background:radial-gradient(circle,rgba(255,106,43,.09) 0%,rgba(255,106,43,0) 68%);
}
.page-hero-inner{
  position:relative;z-index:2;
  min-height:360px;display:flex;flex-direction:column;justify-content:center;
  padding:40px 0;
}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--tx-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a{transition:color .16s ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.45}
.crumb .cur{color:var(--brand)}
.page-hero h1{
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  font-weight:700;letter-spacing:-.02em;line-height:1.2;
  max-width:20ch;
}
.page-hero .lead{
  margin-top:18px;font-size:16px;line-height:1.8;color:var(--tx-2);max-width:46ch;
}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:30px}
.stat{padding:0 24px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:0}
.stat b{
  display:block;color:var(--tx-1);font-size:22px;font-weight:700;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat span{display:block;margin-top:4px;font-size:12.5px;color:var(--tx-3);letter-spacing:.02em}

/* ============ sections ============ */
.block{padding:72px 0}
@media(min-width:1024px){.block{padding:104px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.sec-title{
  position:relative;padding-left:14px;
  font-size:clamp(1.5rem,2.6vw,2.15rem);font-weight:600;letter-spacing:-.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:3px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(35,224,196,.8);
}
.sec-desc{margin-top:12px;font-size:14.5px;color:var(--tx-2);max-width:64ch}

/* ============ chips ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.chip{
  min-height:42px;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--glass);color:var(--tx-2);
  font-size:14px;display:inline-flex;align-items:center;
  transition:color .18s ease,border-color .18s ease,background .18s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--tx-1);border-color:rgba(255,255,255,.22)}
.chip.active{
  background:var(--brand);border-color:var(--brand);color:#05201C;font-weight:700;
  box-shadow:0 10px 26px rgba(35,224,196,.25);
}

/* ============ match cards ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg-2);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.3);box-shadow:0 22px 48px rgba(0,0,0,.55)}
.card-media{position:relative;aspect-ratio:16/9;background:linear-gradient(180deg,var(--bg-2),var(--bg-1));overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.05) 0%,rgba(6,10,20,.72) 100%);
}
.badge-live{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.05em;
  font-variant-numeric:tabular-nums;
}
.badge-live i{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.75)}}
.badge-soft{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(6,10,20,.6);border:1px solid var(--line);color:var(--tx-1);
  font-size:12px;font-weight:600;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.card-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{
  font-size:1.05rem;font-weight:600;line-height:1.5;color:var(--tx-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);color:var(--tx-2);
  font-size:12px;letter-spacing:.02em;
}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--tx-3);letter-spacing:.02em;
}
.card-meta .time{font-variant-numeric:tabular-nums}
.heat{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}

/* ============ pager ============ */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:48px;flex-wrap:wrap}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:46px;height:46px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line);background:var(--glass);color:var(--tx-2);
  font-size:14.5px;font-variant-numeric:tabular-nums;
  transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;
}
.pager a:hover{color:var(--tx-1);border-color:rgba(35,224,196,.5);transform:translateY(-1px)}
.pager a.active{background:var(--brand);border-color:var(--brand);color:#05201C;font-weight:700}
.pager span.is-disabled{opacity:.38}
.pager span.more{border:0;background:none;color:var(--tx-3)}

/* ============ features ============ */
.feature-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.feature-grid{grid-template-columns:repeat(3,1fr)}}
.feature{
  display:flex;flex-direction:column;gap:16px;padding:26px 24px;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg-2);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.feature:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.28);box-shadow:var(--sh-card)}
.feature-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(35,224,196,.1);border:1px solid rgba(35,224,196,.25);color:var(--brand);
}
.feature h3{font-size:16.5px;font-weight:600}
.feature p{font-size:14px;line-height:1.78;color:var(--tx-2)}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{
  position:relative;padding:26px 24px;border-radius:var(--r-md);
  border:1px solid var(--line);background:linear-gradient(180deg,var(--bg-2),rgba(11,17,32,.6));
}
.step .num{
  display:block;font-size:34px;font-weight:800;line-height:1;
  color:rgba(35,224,196,.14);
  -webkit-text-stroke:1px rgba(35,224,196,.65);
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:16.5px;margin-bottom:10px}
.step p{font-size:14px;line-height:1.78}

/* ============ faq ============ */
.faq-list{display:grid;grid-template-columns:1fr;gap:0 40px;border-top:1px solid var(--line)}
@media(min-width:900px){.faq-list{grid-template-columns:repeat(2,1fr)}}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:0;
  background:var(--brand);border-radius:2px;transition:width .24s ease;
}
.faq-item.open::before{width:3px;box-shadow:0 0 12px rgba(35,224,196,.75)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0 22px 16px;text-align:left;color:var(--tx-1);
  font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q .ico{
  flex:0 0 22px;width:22px;height:22px;display:grid;place-items:center;
  color:var(--tx-3);transition:transform .24s ease,color .24s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 42px 22px 16px;font-size:14px;line-height:1.8;color:var(--tx-2)}

/* ============ cta ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--bg-1);
  padding:44px 40px;box-shadow:var(--sh-float);
}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.2;filter:blur(2px);
}
.cta-band .cta-glow-a{
  position:absolute;width:520px;height:520px;left:-140px;top:-220px;
  background:radial-gradient(circle,rgba(35,224,196,.16) 0%,rgba(35,224,196,0) 68%);
}
.cta-band .cta-glow-b{
  position:absolute;width:420px;height:420px;right:-120px;bottom:-200px;
  background:radial-gradient(circle,rgba(255,106,43,.13) 0%,rgba(255,106,43,0) 68%);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(1.35rem,2.4vw,1.9rem);letter-spacing:-.01em}
.cta-inner p{margin-top:12px;font-size:14.5px;max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ footer ============ */
.site-footer{margin-top:24px;border-top:1px solid var(--line);background:var(--bg-1);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media(min-width:900px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot-title{color:var(--tx-1);font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.foot-link{display:block;font-size:14px;color:var(--tx-2);padding:5px 0;transition:color .16s ease}
.foot-link:hover{color:var(--brand)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);
}
.qr{
  width:96px;height:96px;display:grid;place-items:center;text-align:center;
  font-size:11.5px;line-height:1.6;color:var(--tx-3);
  border:1px dashed var(--line);border-radius:12px;background:var(--glass);
}

@media(max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .page-hero-inner{min-height:0;padding:48px 0 40px}
  .stat{padding:0 18px}
}
@media(max-width:520px){
  .page-hero-inner{padding:36px 0 32px}
  .hero-stats{gap:10px 0}
  .stat{padding:0 14px}
  .stat b{font-size:19px}
  .cta-band{padding:32px 22px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1120;
  --bg-2:#111A2C;
  --brand:#23E0C4;
  --accent:#FF6A2B;
  --violet:#6C7BFF;
  --tx-1:#E8EDF7;
  --tx-2:#9AA7BD;
  --tx-3:#5F6B82;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-float:0 24px 64px rgba(0,0,0,.6);
  --glow:0 0 0 1px rgba(35,224,196,.5), 0 8px 28px rgba(35,224,196,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .16s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 18px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:72px;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,background-color .25s ease;
}
.site-header.scrolled{
  height:60px;
  background:rgba(6,10,20,.9);
}
.nav-wrap{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--tx-1);
  white-space:nowrap;
}
.brand-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 12px rgba(35,224,196,.9),0 0 26px rgba(35,224,196,.5);
  flex:none;
}
.nav-links{
  display:none;
  align-items:center;
  gap:36px;
  margin-left:auto;
  margin-right:8px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--tx-2);
  padding:6px 0;
  letter-spacing:.02em;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
  box-shadow:0 0 10px rgba(35,224,196,.8);
}
.nav-link:hover{color:var(--tx-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--tx-1);}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{display:none;}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--tx-1);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(35,224,196,.5);color:var(--brand);}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-toggle{display:none;}
}

/* ---------- Drawer ---------- */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(6,10,20,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:24px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:28px;
  transform:translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s ease,transform .24s ease;
}
.nav-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--tx-1);
  font-size:22px;
  line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  font-size:18px;
  color:var(--tx-2);
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand);}
@media (min-width:1024px){.nav-drawer{display:none;}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,border-color .2s ease,color .2s ease,opacity .2s ease;
}
.btn-primary{
  background:var(--brand);
  color:#04131B;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);}
.btn-ghost{
  background:var(--glass);
  color:var(--tx-1);
  border-color:var(--line);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(35,224,196,.6);color:var(--brand);transform:translateY(-1px);}
.btn-block{width:100%;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- Badges / tags ---------- */
.badge-live{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.badge-live i{
  width:6px;height:6px;border-radius:50%;background:#fff;display:block;
  animation:pulse 1.5s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--tx-2);
  font-size:13px;
  transition:color .2s,border-color .2s,background-color .2s;
}
.chip:hover{color:var(--tx-1);border-color:rgba(35,224,196,.45);}
.chip.active{
  background:var(--brand);
  border-color:var(--brand);
  color:#04131B;
  font-weight:600;
}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  padding:44px 0 56px;
}
.spot{position:absolute;border-radius:50%;pointer-events:none;filter:blur(6px);}
.spot-teal{width:620px;height:620px;top:-280px;right:-160px;background:radial-gradient(circle,rgba(35,224,196,.12),transparent 68%);}
.spot-orange{width:420px;height:420px;bottom:-220px;left:-140px;background:radial-gradient(circle,rgba(255,106,43,.08),transparent 68%);}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  gap:40px;
  align-items:center;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:56px;}
}
.crumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--tx-3);
  margin-bottom:20px;
}
.crumb a:hover{color:var(--tx-1);}
.crumb .sep{color:var(--tx-3);opacity:.6;}
.crumb .cur{color:var(--brand);}
h1.hero-title{
  font-size:clamp(2rem,4.2vw,3.1rem);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.18;
  max-width:15ch;
}
.hero-sub{
  margin-top:20px;
  font-size:16px;
  line-height:1.85;
  color:var(--tx-2);
  max-width:46ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:18px 26px;
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.stat-item{min-width:96px;}
.stat-num{
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.stat-label{font-size:12.5px;color:var(--tx-3);letter-spacing:.02em;margin-top:2px;}
.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-float);
  background:var(--bg-2);
  aspect-ratio:16/10;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,0) 40%,rgba(6,10,20,.75));
}
.hero-overlay{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:3;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
}
.hero-overlay .ov-title{font-size:15px;font-weight:600;}
.hero-overlay .ov-meta{font-size:12.5px;color:var(--tx-2);margin-top:2px;font-variant-numeric:tabular-nums;}

/* ---------- Section ---------- */
.section{padding:72px 0;}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:40px;
}
.sec-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(1.5rem,2.6vw,2.15rem);
  font-weight:600;
}
.sec-title::before{
  content:"";
  position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(35,224,196,.75);
}
.sec-desc{
  font-size:14px;
  color:var(--tx-2);
  max-width:62ch;
  margin-top:14px;
  padding-left:16px;
  line-height:1.8;
}
.link-more{
  font-size:14px;
  color:var(--brand);
  border-bottom:1px dashed rgba(35,224,196,.4);
  padding-bottom:2px;
}
.link-more:hover{border-bottom-style:solid;}

/* ---------- Layout with aside ---------- */
.layout-split{display:grid;gap:44px;}
@media (min-width:1180px){
  .layout-split{grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;}
}

/* ---------- Clip list ---------- */
.clip-grid{
  display:grid;
  gap:0 36px;
}
@media (min-width:760px){
  .clip-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.clip-item{
  display:grid;
  grid-template-columns:148px minmax(0,1fr);
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  align-items:center;
}
.clip-thumb{
  position:relative;
  border-radius:12px;
  overflow:hidden;
  background:var(--bg-2);
  aspect-ratio:16/10;
  border:1px solid var(--line);
}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.clip-item:hover .clip-thumb img{transform:scale(1.05);}
.clip-thumb .tag{
  position:absolute;left:8px;top:8px;
  font-size:11px;
  padding:3px 9px;
  border-radius:999px;
  background:rgba(6,10,20,.72);
  border:1px solid var(--line);
  color:var(--tx-1);
  letter-spacing:.04em;
  backdrop-filter:blur(6px);
}
.clip-body h3{
  font-size:1.05rem;
  font-weight:600;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.clip-body h3 a:hover{color:var(--brand);}
.clip-body p{
  margin:8px 0 0;
  font-size:13.5px;
  line-height:1.75;
  color:var(--tx-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.clip-meta{
  margin-top:10px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  font-size:12.5px;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
}
.clip-meta span{display:inline-flex;align-items:center;gap:6px;}
.clip-meta span::before{content:"";width:3px;height:3px;border-radius:50%;background:var(--tx-3);}
.clip-meta span:first-child::before{display:none;}
.more-row{display:flex;justify-content:center;margin-top:36px;}

/* ---------- Hot panel ---------- */
.hot-panel{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--glass);
  backdrop-filter:blur(14px);
  padding:26px 24px;
}
@media (min-width:1180px){
  .hot-panel{position:sticky;top:96px;}
}
.hot-title{
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.hot-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-num{
  font-size:18px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px rgba(35,224,196,.7);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
  flex:none;
  width:30px;
}
.hot-list a{
  font-size:14px;
  color:var(--tx-1);
  line-height:1.6;
  display:block;
}
.hot-list a:hover{color:var(--brand);}
.hot-sub{font-size:12px;color:var(--tx-3);margin-top:6px;font-variant-numeric:tabular-nums;}
.side-cta{margin-top:20px;display:grid;gap:10px;}

/* ---------- Feature cards ---------- */
.feat-grid{display:grid;gap:20px;}
@media (min-width:700px){.feat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1080px){.feat-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.feat-card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  padding:26px 24px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.3);box-shadow:var(--shadow-card);}
.feat-icon{
  width:42px;height:42px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(35,224,196,.35);
  background:rgba(35,224,196,.08);
  color:var(--brand);
  margin-bottom:18px;
}
.feat-card h3{font-size:1.05rem;font-weight:600;margin-bottom:10px;}
.feat-card p{font-size:14px;line-height:1.8;color:var(--tx-2);margin:0;}

/* ---------- Timeline ---------- */
.steps{
  display:grid;
  gap:28px;
  counter-reset:step;
}
@media (min-width:900px){.steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.step{
  position:relative;
  border-top:1px solid var(--line);
  padding-top:26px;
}
.step-num{
  font-size:34px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px rgba(35,224,196,.65);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.step h3{font-size:1.1rem;font-weight:600;margin:14px 0 10px;}
.step p{font-size:14px;line-height:1.8;color:var(--tx-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:22px 44px 22px 18px;
  font-size:16px;
  font-weight:600;
  color:var(--tx-1);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;
  background:var(--brand);
  opacity:0;
  transition:opacity .24s ease;
  box-shadow:0 0 12px rgba(35,224,196,.7);
}
.faq-item summary::after{
  content:"+";
  position:absolute;right:12px;top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--tx-3);
  transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary::after{content:"–";color:var(--brand);}
.faq-item summary:hover{color:var(--brand);}
.faq-body{
  padding:0 44px 24px 18px;
  font-size:14px;
  line-height:1.85;
  color:var(--tx-2);
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  padding:56px 32px;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-float);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,10,20,.94),rgba(6,10,20,.72));
  backdrop-filter:blur(3px);
}
.cta-band::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-160px;top:-200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.16),transparent 66%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-inner h2{
  font-size:clamp(1.4rem,2.4vw,2rem);
  font-weight:600;
  max-width:22ch;
}
.cta-inner p{font-size:14.5px;color:var(--tx-2);margin:12px 0 0;max-width:46ch;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:0;
}
.foot-grid{
  display:grid;
  gap:40px;
}
@media (min-width:700px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}}
.foot-title{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--tx-1);
  margin-bottom:16px;
}
.foot-link{
  display:block;
  font-size:14px;
  color:var(--tx-2);
  padding:5px 0;
}
.foot-link:hover{color:var(--brand);}
.qr{
  width:104px;height:104px;
  border-radius:12px;
  border:1px dashed var(--line);
  background:var(--glass);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12px;
  color:var(--tx-3);
  line-height:1.6;
}
.foot-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--tx-3);
}

/* ---------- Empty state ---------- */
.empty-state{
  display:none;
  flex-direction:column;
  align-items:center;
  gap:12px;
  padding:52px 20px;
  color:var(--tx-3);
  font-size:14px;
  text-align:center;
}
.empty-state.show{display:flex;}

@media (max-width:639px){
  .clip-item{grid-template-columns:112px minmax(0,1fr);gap:14px;}
  .hero-actions .btn{flex:1 1 100%;}
  .cta-band{padding:40px 22px;}
}

/* roulang page: category3 */
:root{
    --bg-0:#060A14;
    --bg-1:#0B1120;
    --bg-2:#111A2C;
    --brand:#23E0C4;
    --accent:#FF6A2B;
    --violet:#6C7BFF;
    --tx-1:#E8EDF7;
    --tx-2:#9AA7BD;
    --tx-3:#5F6B82;
    --line:rgba(255,255,255,.08);
    --glass:rgba(255,255,255,.045);
    --r-s:8px;
    --r-m:16px;
    --r-l:20px;
    --shadow-card:0 18px 40px rgba(0,0,0,.45);
    --shadow-float:0 24px 64px rgba(0,0,0,.6);
    --container:1280px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--tx-1);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  [id]{scroll-margin-top:104px}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
  }
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
  @media (min-width:1024px){ .container{padding:0 32px} }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(6,10,20,.74);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transition:background .25s ease;
  }
  .site-header.scrolled{background:rgba(6,10,20,.92)}
  .nav-wrap{position:relative;display:flex;align-items:center;height:72px;gap:20px;transition:height .25s ease}
  .site-header.scrolled .nav-wrap{height:60px}
  .brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--tx-1);white-space:nowrap}
  .brand-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(35,224,196,.9);flex:0 0 auto}
  .nav-links{display:flex;align-items:center;gap:30px;margin:0 auto}
  .nav-link{position:relative;font-size:15px;color:var(--tx-2);padding:6px 0;transition:color .16s ease}
  .nav-link:hover{color:var(--tx-1)}
  .nav-link.active{color:var(--tx-1)}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
    width:100%;height:2px;border-radius:2px;background:var(--brand);
    box-shadow:0 0 12px rgba(35,224,196,.85);
  }
  .nav-toggle{
    display:none;width:44px;height:44px;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:12px;background:var(--glass);color:var(--tx-1);
  }
  .nav-toggle:hover{border-color:rgba(35,224,196,.5);color:var(--brand)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:999px;
    font-size:14.5px;font-weight:600;white-space:nowrap;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
  }
  .btn-primary{
    background:var(--brand);color:#04241F;
    box-shadow:0 0 0 1px rgba(35,224,196,.5),0 8px 28px rgba(35,224,196,.28);
  }
  .btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96)}
  .btn-ghost{
    border:1px solid var(--line);background:var(--glass);color:var(--tx-1);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  }
  .btn-ghost:hover{border-color:rgba(35,224,196,.6);color:var(--brand);transform:translateY(-1px)}
  .btn:disabled,.btn[aria-disabled="true"]{opacity:.4;pointer-events:none}

  /* ---------- 分类页 Hero ---------- */
  .cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
  .cat-hero-bg{
    position:absolute;inset:0;
    background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    opacity:.55;
  }
  .cat-hero-veil{
    position:absolute;inset:0;
    background:
      radial-gradient(620px 320px at 50% 22%,rgba(35,224,196,.12),transparent 70%),
      radial-gradient(420px 260px at 82% 88%,rgba(255,106,43,.08),transparent 72%),
      linear-gradient(180deg,rgba(6,10,20,.84),rgba(6,10,20,.97));
  }
  .cat-hero-inner{position:relative;padding:30px 0 56px;text-align:center}
  .crumb{display:flex;justify-content:center;align-items:center;gap:10px;font-size:12.5px;color:var(--tx-3);letter-spacing:.02em;flex-wrap:wrap}
  .crumb a{transition:color .16s ease}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{opacity:.55}
  .crumb .now{color:var(--brand)}
  .cat-title{
    font-size:clamp(1.7rem,3.4vw,2.45rem);font-weight:700;letter-spacing:-.02em;line-height:1.22;
    margin-top:20px;max-width:20ch;margin-left:auto;margin-right:auto;
  }
  .cat-sub{max-width:660px;margin:16px auto 0;font-size:15px;color:var(--tx-2);line-height:1.85}
  .chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
  .chip{
    display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
    border:1px solid var(--line);background:var(--glass);font-size:13px;color:var(--tx-2);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  }
  .chip b{color:var(--tx-1);font-weight:600;font-variant-numeric:tabular-nums}

  /* ---------- 板块通用 ---------- */
  .section{padding:72px 0;position:relative}
  @media (min-width:1024px){ .section{padding:96px 0} }
  .section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sec-head{margin-bottom:36px;max-width:760px}
  .sec-flag{
    display:inline-flex;align-items:center;gap:8px;font-size:12.5px;
    letter-spacing:.16em;color:var(--brand);font-variant-numeric:tabular-nums;
  }
  .sec-flag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(35,224,196,.9)}
  .sec-title{
    position:relative;padding-left:16px;margin-top:14px;
    font-size:clamp(1.5rem,2.6vw,2.15rem);font-weight:600;line-height:1.3;
  }
  .sec-title::before{
    content:"";position:absolute;left:0;top:.26em;width:3px;height:1.05em;border-radius:2px;
    background:var(--brand);box-shadow:0 0 14px rgba(35,224,196,.75);
  }
  .sec-lead{margin-top:14px;font-size:15px;color:var(--tx-2);max-width:72ch;line-height:1.85}

  /* ---------- 目录 + 双列交错 ---------- */
  .cat-layout{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:1024px){ .cat-layout{grid-template-columns:248px 1fr;gap:48px} }
  .toc{position:relative;border-left:1px solid var(--line);padding-left:18px}
  .toc-title{font-size:12.5px;letter-spacing:.16em;color:var(--tx-3);margin-bottom:14px}
  .toc a{
    position:relative;display:block;padding:9px 0;font-size:14px;color:var(--tx-2);
    border-bottom:1px solid rgba(255,255,255,.05);transition:color .16s ease,padding-left .16s ease;
  }
  .toc a:hover{color:var(--tx-1);padding-left:6px}
  .toc a.active{color:var(--brand);font-weight:600}
  .toc a.active::before{
    content:"";position:absolute;left:-20px;top:14px;width:2px;height:14px;border-radius:2px;
    background:var(--brand);box-shadow:0 0 10px rgba(35,224,196,.8);
  }
  @media (min-width:1024px){ .toc{position:sticky;top:104px;align-self:start} }
  @media (max-width:1023px){
    .toc{position:static;border-left:0;padding-left:0;display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
    .toc::-webkit-scrollbar{display:none}
    .toc-title{display:none}
    .toc a{
      flex:0 0 auto;padding:8px 16px;border:1px solid var(--line);border-radius:999px;
      font-size:13px;background:var(--glass);border-bottom:1px solid var(--line);
    }
    .toc a:hover{padding-left:16px}
    .toc a.active{border-color:rgba(35,224,196,.55)}
    .toc a.active::before{display:none}
  }

  .mosaic{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:640px){
    .mosaic{grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
    .mosaic > .tile:nth-child(even){margin-top:36px}
  }
  .tile{
    position:relative;border:1px solid var(--line);border-radius:var(--r-m);
    background:var(--bg-1);overflow:hidden;
    transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .tile:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.3);box-shadow:var(--shadow-card)}
  .tile-media{position:relative;background:linear-gradient(180deg,var(--bg-2),var(--bg-1));overflow:hidden}
  .tile-media.r43{aspect-ratio:4 / 3}
  .tile-media.r34{aspect-ratio:3 / 4}
  .tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
  .tile:hover .tile-media img{transform:scale(1.03)}
  .tile-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,10,20,0) 40%,rgba(6,10,20,.85) 100%);
  }
  .tile-tag{
    position:absolute;left:14px;top:14px;z-index:2;
    display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
    font-size:12px;letter-spacing:.02em;color:var(--tx-1);
    background:rgba(11,17,32,.7);border:1px solid var(--line);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  }
  .tile-tag.live{background:rgba(255,106,43,.16);border-color:rgba(255,106,43,.45);color:#FFD5C2}
  .tile-tag.live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(255,106,43,.9)}
  .tile-body{padding:20px 20px 22px}
  .tile-title{font-size:1.08rem;font-weight:600;line-height:1.5;margin-bottom:10px}
  .tile-text{font-size:14px;color:var(--tx-2);line-height:1.8}
  .tile-meta{
    margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:12.5px;color:var(--tx-3);font-variant-numeric:tabular-nums;
  }
  .tile-meta .arrow{color:var(--brand);transition:transform .18s ease}
  .tile:hover .tile-meta .arrow{transform:translateX(4px)}

  /* ---------- 流程 ---------- */
  .steps{position:relative;display:grid;grid-template-columns:1fr;gap:18px}
  @media (min-width:768px){ .steps{grid-template-columns:repeat(3,1fr);gap:24px} }
  .step{
    position:relative;padding:26px 22px;border-radius:var(--r-m);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(17,26,44,.92),rgba(11,17,32,.92));
    transition:transform .22s ease,border-color .22s ease;
  }
  .step:hover{transform:translateY(-4px);border-color:rgba(35,224,196,.3)}
  .step-num{font-size:13px;letter-spacing:.14em;color:var(--brand);font-variant-numeric:tabular-nums}
  .step h3{font-size:1.05rem;font-weight:600;margin:12px 0 8px}
  .step p{font-size:14px;color:var(--tx-2);line-height:1.8}

  /* ---------- 异常处理 ---------- */
  .fix-grid{display:grid;grid-template-columns:1fr;gap:14px}
  @media (min-width:768px){ .fix-grid{grid-template-columns:repeat(2,1fr);gap:18px} }
  .fix{
    display:flex;gap:14px;padding:20px;border:1px solid var(--line);border-radius:14px;
    background:var(--glass);transition:border-color .2s ease,transform .2s ease;
  }
  .fix:hover{border-color:rgba(35,224,196,.3);transform:translateY(-3px)}
  .fix-ico{
    flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
    background:rgba(35,224,196,.12);color:var(--brand);font-size:14px;font-variant-numeric:tabular-nums;
  }
  .fix b{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
  .fix p{font-size:13.5px;color:var(--tx-2);line-height:1.78}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq{border-top:1px solid var(--line)}
  .faq-item{position:relative;border-bottom:1px solid var(--line);padding-left:0;transition:padding-left .24s ease}
  .faq-item::before{
    content:"";position:absolute;left:0;top:24px;width:2px;height:0;border-radius:2px;
    background:var(--brand);box-shadow:0 0 12px rgba(35,224,196,.75);transition:height .24s ease;
  }
  .faq-item.open{padding-left:16px}
  .faq-item.open::before{height:18px}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 0;font-size:16px;font-weight:600;text-align:left;color:var(--tx-1);
    transition:color .16s ease;
  }
  .faq-q:hover{color:var(--brand)}
  .faq-ico{position:relative;flex:0 0 auto;width:18px;height:18px;color:var(--tx-3)}
  .faq-ico::before,.faq-ico::after{
    content:"";position:absolute;left:50%;top:50%;border-radius:2px;background:currentColor;
    transform:translate(-50%,-50%);transition:transform .24s ease,background .24s ease;
  }
  .faq-ico::before{width:13px;height:1.6px}
  .faq-ico::after{width:1.6px;height:13px}
  .faq-item.open .faq-ico{color:var(--brand)}
  .faq-item.open .faq-ico::after{transform:translate(-50%,-50%) scaleY(0)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .faq-a p{padding:0 0 20px;font-size:14px;color:var(--tx-2);line-height:1.8;max-width:78ch}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-l);border:1px solid var(--line);
    background:linear-gradient(120deg,rgba(17,26,44,.92),rgba(11,17,32,.96));
    padding:40px 26px;display:flex;flex-direction:column;gap:24px;align-items:flex-start;
  }
  @media (min-width:900px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:52px 48px;gap:40px}
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    opacity:.22;
  }
  .glow{position:absolute;border-radius:50%;pointer-events:none}
  .glow-cyan{width:620px;height:620px;background:radial-gradient(circle,rgba(35,224,196,.12),transparent 70%)}
  .glow-orange{width:420px;height:420px;background:radial-gradient(circle,rgba(255,106,43,.08),transparent 70%)}
  .cta-copy{position:relative;z-index:2;max-width:620px}
  .cta-title{font-size:clamp(1.4rem,2.4vw,1.95rem);font-weight:600;line-height:1.3}
  .cta-text{margin-top:12px;font-size:14.5px;color:var(--tx-2);line-height:1.85}
  .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- 页脚 ---------- */
  .site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:56px 0 24px}
  .foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:768px){ .foot-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px} }
  .foot-title{font-size:13px;letter-spacing:.14em;color:var(--tx-3);margin-bottom:16px}
  .foot-link{display:block;font-size:14px;color:var(--tx-2);padding:5px 0;transition:color .16s ease}
  .foot-link:hover{color:var(--brand)}
  .qr{
    width:96px;height:96px;border:1px dashed var(--line);border-radius:12px;
    display:grid;place-items:center;text-align:center;font-size:12px;color:var(--tx-3);
    line-height:1.5;background:var(--glass);
  }
  .foot-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:12.5px;color:var(--tx-3);font-variant-numeric:tabular-nums;
  }

  /* ---------- 移动端导航 ---------- */
  @media (max-width:1023px){
    .nav-wrap{height:64px;gap:12px}
    .brand{font-size:16px}
    .nav-toggle{display:inline-flex}
    .nav-links{
      position:absolute;left:0;right:0;top:calc(100% + 10px);
      flex-direction:column;align-items:stretch;gap:0;margin:0;
      padding:10px;border:1px solid var(--line);border-radius:16px;
      background:rgba(11,17,32,.97);
      backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
      box-shadow:var(--shadow-float);
      opacity:0;visibility:hidden;transform:translateY(-8px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .site-header.nav-open .nav-links{opacity:1;visibility:visible;transform:none}
    .nav-link{padding:13px 14px;font-size:15.5px;border-radius:10px}
    .nav-link:hover{background:var(--glass)}
    .nav-link.active::after{left:14px;transform:none;width:18px;bottom:8px}
    .nav-cta{padding:9px 16px;font-size:13px;min-height:38px}
  }
  @media (max-width:520px){
    .cat-hero-inner{padding:24px 0 42px}
    .cat-sub{font-size:14px}
    .section{padding:56px 0}
    .nav-cta{padding:8px 13px;font-size:12.5px}
  }