/* roulang page: index */
:root{
  --c-green:#0FE3A6;
  --c-purple:#6C4DFF;
  --c-lemon:#C8FF4D;
  --c-cta:#FF6A3D;
  --c-cta-hover:#FF8A5C;
  --c-cta-active:#E8562C;
  --bg-page:#080B10;
  --bg-section:#0B0F16;
  --bg-card:#141A23;
  --bg-card-hover:#1A2230;
  --bg-deep:#101720;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(15,227,166,.45);
  --txt:#EDF1F7;
  --txt-2:#A8B3C4;
  --txt-3:#6E7A8C;
  --paper:#F6F7F9;
  --paper-txt:#1A1F27;
  --paper-txt-2:#4A5361;
  --grad:linear-gradient(135deg,#0FE3A6 0%,#6C4DFF 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(0,0,0,.35);
  --sh-hover:0 14px 36px rgba(0,0,0,.5);
  --t:.3s ease-out;
  --sec-space:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-green)}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.3;margin:0;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-green);outline-offset:2px;box-shadow:0 0 0 4px rgba(15,227,166,.16)}
.container{max-width:1240px;padding-left:32px;padding-right:32px;width:100%;margin:0 auto}
.section{padding:var(--sec-space) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:26px}
.section-head .sub{color:var(--txt-2);font-size:14px;margin-top:8px}
.section-lead{color:var(--txt-2);font-size:15px;max-width:640px}
.link-more{font-size:14px;color:var(--txt-2);border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:2px}
.link-more:hover{color:var(--c-green);border-color:var(--line-hover)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;color:var(--c-green);background:rgba(15,227,166,.12);border:1px solid rgba(15,227,166,.24)}
.tag-sm{height:22px;padding:0 8px;font-size:11px}
.data-badge{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(200,255,77,.12);color:var(--c-lemon);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;border:1px solid rgba(200,255,77,.2)}
.data-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-lemon)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:700;line-height:1;border-radius:var(--r-pill);transition:transform .25s ease-out,filter .25s ease-out,background .25s ease-out,color .25s ease-out,border-color .25s ease-out}
.btn-brand{background:var(--grad);color:#06090D;height:44px;padding:0 24px;font-size:15px;box-shadow:0 0 20px rgba(15,227,166,.26)}
.btn-brand:hover{color:#06090D;transform:translateY(-2px);filter:brightness(1.06)}
.btn-brand:active{transform:translateY(0);filter:brightness(.96)}
.btn-cta{background:var(--c-cta);color:#1B0C05;height:52px;padding:0 32px;font-size:16px;box-shadow:0 8px 24px rgba(255,106,61,.28)}
.btn-cta:hover{background:var(--c-cta-hover);color:#1B0C05;transform:translateY(-2px)}
.btn-cta:active{background:var(--c-cta-active)}
.btn-ghost{background:transparent;color:var(--txt);height:44px;padding:0 24px;font-size:15px;border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{color:var(--c-green);border-color:var(--line-hover);transform:translateY(-2px)}
.divider-glow{height:1px;background:linear-gradient(90deg,transparent,rgba(15,227,166,.55),rgba(108,77,255,.55),transparent)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--bg-section)}
.topbar{height:32px;background:#070A0E;border-bottom:1px solid var(--line);display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:var(--txt-3);opacity:.82}
.topbar-links{display:flex;gap:20px}
.mainnav{position:relative;height:64px;display:flex;align-items:center;background:var(--bg-section)}
.mainnav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(15,227,166,.85) 28%,rgba(108,77,255,.85) 72%,transparent)}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--txt);white-space:nowrap}
.brand:hover{color:var(--txt)}
.brand-mark{position:relative;width:26px;height:26px;border-radius:9px;background:var(--grad);box-shadow:0 0 18px rgba(15,227,166,.35);flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;top:7px;right:7px;width:8px;height:8px;border-radius:3px;background:#080B10}
.nav-list{display:flex;align-items:center;gap:28px;list-style:none}
.nav-link{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--txt-2);padding:8px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(15,227,166,.8),rgba(108,77,255,.8));opacity:0;transition:opacity var(--t)}
.nav-link:hover{color:var(--txt)}
.nav-link:hover::after{opacity:.7}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(15,227,166,.45)}
.nav-link.is-active::after{opacity:1;height:2px;box-shadow:0 0 10px rgba(15,227,166,.65)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:0;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;margin:3px auto;background:var(--txt);border-radius:2px;transition:background var(--t)}
.nav-toggle.is-active span{background:var(--c-green)}
.drawer{position:fixed;inset:0;z-index:1050;background:#070A0E;display:none;flex-direction:column;padding:20px 20px 28px}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:transparent;color:var(--txt);font-size:22px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px;flex:1}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--txt-2);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--c-green)}
.drawer-cta{width:100%;margin-top:24px;height:48px}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 0;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(880px 460px at 80% 14%,rgba(108,77,255,.22),transparent 62%),
  radial-gradient(760px 420px at 6% 82%,rgba(15,227,166,.18),transparent 62%),
  var(--bg-page);
}
.hero-lines{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(72% 72% at 52% 38%,#000 12%,transparent 100%);
  mask-image:radial-gradient(72% 72% at 52% 38%,#000 12%,transparent 100%);
}
.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;min-height:520px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;height:30px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(15,227,166,.3);background:rgba(15,227,166,.08);color:var(--c-green);font-size:13px;font-weight:600}
.hero h1{font-size:40px;line-height:1.28;margin-top:20px;max-width:620px}
.hero-sub{margin-top:20px;color:var(--txt-2);font-size:17px;line-height:1.8;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:32px;color:var(--txt-2);font-size:14px}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--grad)}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:400px;background:#141A23 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;box-shadow:var(--sh-card);border:1px solid var(--line)}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(15,227,166,.24),transparent 46%,rgba(108,77,255,.34))}
.hero-visual .dot-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:40px 40px;opacity:.5}
.badge-float{position:absolute;z-index:3;display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(8,11,16,.8);border:1px solid rgba(200,255,77,.28);color:var(--c-lemon);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;backdrop-filter:blur(6px)}
.badge-float::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-lemon)}
.badge-float.b1{top:24px;right:24px}
.badge-float.b2{bottom:24px;left:24px}
.quickbar{position:relative;z-index:2;margin-top:48px;background:var(--bg-deep);border:1px solid var(--line);border-top:1px solid transparent;border-radius:var(--r-md);overflow:hidden}
.quickbar::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.quickbar-list{display:grid;grid-template-columns:repeat(4,1fr)}
.quickbar-item{display:flex;align-items:center;gap:12px;height:72px;padding:0 24px;border-right:1px solid var(--line);font-size:14px;color:var(--txt-2)}
.quickbar-item:last-child{border-right:none}
.quickbar-item .ico{width:30px;height:30px;border-radius:9px;border:1px solid rgba(15,227,166,.32);display:flex;align-items:center;justify-content:center;color:var(--c-green);font-size:13px;font-weight:700;flex:0 0 auto}

/* ---------- entry grid ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.entry-card{position:relative;display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card);transition:border-color var(--t),background var(--t),transform var(--t),box-shadow var(--t)}
.entry-card:hover{border-color:var(--line-hover);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--sh-hover);color:inherit}
.entry-media{position:relative;overflow:hidden;background:#141A23;aspect-ratio:16/10}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-media img{transform:scale(1.03)}
.entry-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.entry-body h3{font-size:20px}
.entry-body p{color:var(--txt-2);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-arrow{position:absolute;right:20px;bottom:20px;width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;color:var(--txt-2);font-size:15px;transition:transform var(--t),color var(--t),border-color var(--t)}
.entry-card:hover .entry-arrow{transform:translateX(2px);color:var(--c-green);border-color:var(--line-hover)}
.entry-card--wide{grid-column:1 / 9;grid-row:1 / 3;flex-direction:row;align-items:stretch}
.entry-card--wide .entry-body{justify-content:center;padding:40px;max-width:56%}
.entry-card--wide .entry-media{flex:1;aspect-ratio:auto;min-height:100%}
.entry-card--wide .entry-body h3{font-size:24px}
.entry-card--wide .entry-body p{-webkit-line-clamp:3}
.entry-card--tall{grid-column:9 / 13}
.entry-card--half{grid-column:span 6}
.entry-card--half .entry-body h3{font-size:19px}

/* ---------- reviews ---------- */
.reviews{background:var(--bg-section)}
.review-card{height:100%;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--sh-card);transition:transform var(--t),border-color var(--t)}
.review-card.is-featured{transform:scale(1.04);border-color:rgba(15,227,166,.4);box-shadow:0 0 0 1px rgba(15,227,166,.22),var(--sh-card)}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#06090D;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex:0 0 auto}
.review-name{font-size:15px;font-weight:700}
.review-role{font-size:12px;color:var(--txt-3);margin-top:2px}
.review-text{color:var(--txt-2);font-size:14px;line-height:1.85;flex:1}
.stars{display:flex;gap:4px;color:var(--c-lemon);font-size:14px;letter-spacing:2px}
#reviewCarousel .carousel-inner{padding:12px 0}
#reviewCarousel .carousel-control-prev,
#reviewCarousel .carousel-control-next{position:absolute;top:50%;margin-top:-24px;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.18);background:rgba(20,26,35,.92);opacity:1;transition:border-color var(--t),transform var(--t)}
#reviewCarousel .carousel-control-prev{left:-12px}
#reviewCarousel .carousel-control-next{right:-12px}
#reviewCarousel .carousel-control-prev:hover,
#reviewCarousel .carousel-control-next:hover{border-color:var(--line-hover);transform:translateY(-2px)}
#reviewCarousel .carousel-indicators{position:static;margin:32px 0 0;gap:8px;justify-content:center}
#reviewCarousel .carousel-indicators [data-bs-target]{box-sizing:border-box;width:8px;height:8px;border:0;border-radius:var(--r-pill);background:rgba(255,255,255,.24);opacity:1;margin:0;transition:width var(--t),background var(--t)}
#reviewCarousel .carousel-indicators .active{width:24px;background:var(--grad)}

/* ---------- guarantee ---------- */
.guarantee{position:relative;background:var(--bg-deep);border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;padding:8px 0}
.guarantee::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.guarantee-list{display:grid;grid-template-columns:repeat(4,1fr)}
.guarantee-item{padding:28px 24px;border-right:1px solid var(--line)}
.guarantee-item:last-child{border-right:none}
.guarantee-ico{width:34px;height:34px;border-radius:10px;border:1px solid rgba(15,227,166,.3);display:flex;align-items:center;justify-content:center;color:var(--c-green);font-size:14px;font-weight:700}
.guarantee-item h3{font-size:16px;margin-top:16px}
.guarantee-item p{color:var(--txt-3);font-size:13px;margin-top:6px}

/* ---------- cta ---------- */
.cta-card{position:relative;border-radius:28px;overflow:hidden;padding:48px;background:linear-gradient(135deg,rgba(15,227,166,.34),rgba(108,77,255,.34)),var(--bg-deep);border:1px solid rgba(15,227,166,.24)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-card h2{font-size:26px}
.cta-card p{color:var(--txt-2);font-size:15px;margin-top:12px;max-width:560px}
.cta-glow{position:absolute;right:-80px;bottom:-110px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(15,227,166,.45),transparent 68%);filter:blur(8px)}

/* ---------- news ---------- */
.news-lead{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card);height:100%;transition:border-color var(--t),transform var(--t)}
.news-lead:hover{border-color:var(--line-hover);transform:translateY(-2px);color:inherit}
.news-lead-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#141A23}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-lead:hover .news-lead-media img{transform:scale(1.03)}
.news-lead-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-lead-body h3{font-size:20px}
.news-lead-body p{color:var(--txt-2);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{font-size:13px;color:var(--txt-3);font-variant-numeric:tabular-nums}
.news-list{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card)}
.news-row{display:flex;align-items:center;gap:20px;padding:20px 24px;border-bottom:1px solid var(--line);transition:background var(--t)}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:var(--bg-card-hover);color:inherit}
.news-row:hover h4{color:var(--c-green)}
.news-row-thumb{width:96px;height:72px;border-radius:var(--r-sm);overflow:hidden;background:#141A23;flex:0 0 auto}
.news-row-thumb img{width:100%;height:100%;object-fit:cover}
.news-row-main{flex:1;min-width:0}
.news-row-main h4{font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--t)}
.news-row-main p{color:var(--txt-3);font-size:13px;margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-row-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:0 0 auto}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:64px 24px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);text-align:center}
.empty-icon{width:48px;height:48px;border-radius:50%;border:1px solid rgba(15,227,166,.45);display:flex;align-items:center;justify-content:center;color:var(--c-green);font-size:20px}
.empty-state p{color:var(--txt-2);font-size:15px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.faq-aside h2{font-size:26px}
.faq-aside p{color:var(--txt-2);font-size:14px;margin-top:16px}
.faq-list{display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:16px;overflow:hidden;position:relative;transition:border-color var(--t)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);opacity:0;transition:opacity var(--t)}
.faq-item.is-open{border-color:var(--line-hover)}
.faq-item.is-open::before{opacity:1}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;background:transparent;border:none;color:var(--txt);font-size:16px;font-weight:700;text-align:left;cursor:pointer}
.faq-icon{width:22px;height:22px;flex:0 0 auto;position:relative;transition:transform var(--t)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-green);border-radius:2px}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease-out}
.faq-a p{padding:0 24px 20px;color:var(--txt-2);font-size:15px;line-height:1.8}

/* ---------- footer ---------- */
.site-footer{background:#05080C;border-top:1px solid transparent;position:relative;margin-top:24px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(15,227,166,.7),rgba(108,77,255,.7),transparent)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-col h3{font-size:15px;color:var(--txt);margin-bottom:20px}
.footer-col p{color:var(--txt-3);font-size:13px;line-height:1.9;margin-top:16px;max-width:280px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:var(--txt-3);font-size:14px}
.footer-links a:hover{color:var(--c-green)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--txt-3);opacity:.72}

@media (max-width:1199.98px){
  .hero h1{font-size:36px}
  .entry-card--wide .entry-body{padding:28px}
}
@media (max-width:991.98px){
  :root{--sec-space:72px}
  .container{padding-left:24px;padding-right:24px}
  .nav-list,.nav-actions .btn-brand{display:none}
  .nav-toggle{display:block}
  .hero{padding-top:48px}
  .hero h1{font-size:30px}
  .hero-visual{min-height:240px;margin-top:32px}
  .quickbar-list{grid-template-columns:repeat(2,1fr)}
  .quickbar-item{border-bottom:1px solid var(--line)}
  .quickbar-item:nth-child(2n){border-right:none}
  .quickbar-item:nth-child(n+3){border-bottom:none}
  .entry-card--wide{grid-column:span 12;grid-row:auto;flex-direction:column}
  .entry-card--wide .entry-body{max-width:100%}
  .entry-card--wide .entry-media{min-height:220px}
  .entry-card--tall,.entry-card--half{grid-column:span 12}
  .guarantee-list{grid-template-columns:repeat(2,1fr)}
  .guarantee-item:nth-child(2n){border-right:none}
  .guarantee-item:nth-child(n+3){border-top:1px solid var(--line)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  #reviewCarousel .carousel-control-prev{left:0}
  #reviewCarousel .carousel-control-next{right:0}
  #reviewCarousel .carousel-item .review-col:nth-child(n+2){display:none}
  .review-card.is-featured{transform:none}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:48px 0 32px}
  .cta-card{padding:32px}
}
@media (max-width:767.98px){
  .news-row{flex-wrap:wrap;gap:16px}
  .news-row-side{flex-direction:row;align-items:center;gap:12px;width:100%;justify-content:flex-start}
  .news-row-main h4,.news-row-main p{white-space:normal}
  .news-row-main p{-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
}
@media (max-width:575.98px){
  :root{--sec-space:56px}
  .container{padding-left:16px;padding-right:16px}
  .hero{min-height:520px;padding-top:40px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-visual{min-height:220px}
  .badge-float{height:28px;font-size:12px;padding:0 10px}
  .badge-float.b1{top:12px;right:12px}
  .badge-float.b2{bottom:12px;left:12px}
  .section-head h2{font-size:22px}
  .entry-body{padding:20px}
  .entry-body h3{font-size:18px}
  .cta-card h2{font-size:22px}
  .btn-cta{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .guarantee-list{grid-template-columns:1fr}
  .guarantee-item{border-right:none;border-top:1px solid var(--line)}
  .guarantee-item:first-child{border-top:none}
  .quickbar-list{grid-template-columns:1fr}
  .quickbar-item{border-right:none}
  .quickbar-item:nth-child(n+2){border-top:1px solid var(--line)}
  .quickbar-item:nth-child(n+3){border-bottom:none}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .entry-card:hover,.news-lead:hover,.btn-brand:hover,.btn-ghost:hover,.btn-cta:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg:#080B10;
  --bg-2:#0B0F16;
  --card:#141A23;
  --card-2:#1A2230;
  --deep:#101720;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(15,227,166,.45);
  --txt:#EDF1F7;
  --txt-2:#A8B3C4;
  --txt-3:#6E7A8C;
  --brand:#0FE3A6;
  --brand-2:#6C4DFF;
  --accent:#C8FF4D;
  --cta:#FF6A3D;
  --cta-hover:#FF8A5C;
  --cta-active:#E8562C;
  --grad:linear-gradient(135deg,#0FE3A6 0%,#6C4DFF 100%);
  --paper:#F6F7F9;
  --paper-txt:#1A1F27;
  --paper-txt-2:#4A5361;
  --paper-line:#E4E7EC;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 6px 20px rgba(0,0,0,.35);
  --shadow-2:0 14px 36px rgba(0,0,0,.5),0 0 0 1px rgba(15,227,166,.35);
  --ease:.32s cubic-bezier(.22,.7,.3,1);
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px rgba(15,227,166,.2)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.no-scroll{overflow:hidden}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60}
.topbar{background:#060910;height:32px;display:flex;align-items:center;font-size:12px;color:var(--txt-3)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-inner>span{opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-links{display:flex;gap:18px;opacity:.85}
.topbar-links a{color:var(--txt-3)}
.topbar-links a:hover{color:var(--brand)}
.mainnav{background:#0B0F16;position:relative;border-bottom:1px solid var(--line)}
.mainnav::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(15,227,166,0) 0%,#0FE3A6 28%,#6C4DFF 72%,rgba(108,77,255,0) 100%);
  opacity:.85;
}
.mainnav-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--txt);letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--txt)}
.brand-mark{
  width:26px;height:26px;border-radius:9px;background:var(--grad);flex:0 0 auto;
  position:relative;box-shadow:0 0 18px rgba(15,227,166,.45);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;
  background:rgba(8,11,16,.85);
}
.nav-list{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:20px 2px;font-size:15px;color:var(--txt-2);font-weight:600}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:1px;
  background:linear-gradient(90deg,#0FE3A6,#6C4DFF);opacity:0;transition:opacity var(--ease);
}
.nav-link:hover{color:var(--txt)}
.nav-link:hover::after{opacity:.6}
.nav-link.is-active{color:#fff;text-shadow:0 0 14px rgba(15,227,166,.55)}
.nav-link.is-active::after{height:2px;opacity:1;box-shadow:0 0 12px rgba(15,227,166,.75)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);cursor:pointer;
  font-weight:700;font-size:15px;line-height:1;padding:14px 26px;
  transition:transform var(--ease),filter var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-brand{background:var(--grad);color:#06110D;box-shadow:0 0 0 1px rgba(15,227,166,.28),0 6px 22px rgba(15,227,166,.22)}
.btn-brand:hover{color:#06110D;transform:translateY(-2px);filter:brightness(1.06)}
.btn-cta{background:var(--cta);color:#150702}
.btn-cta:hover{background:var(--cta-hover);color:#150702;transform:translateY(-2px);filter:brightness(1.06)}
.btn-cta:active{background:var(--cta-active)}
.btn-ghost{background:transparent;color:var(--txt);border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#101720;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--txt-2);transition:all var(--ease)}
.nav-toggle.is-active span{background:var(--brand);box-shadow:0 0 10px rgba(15,227,166,.7)}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- page ---------- */
.page{padding:40px 0 0}
.crumbs{font-size:13px;color:var(--txt-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--txt-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(255,255,255,.2)}
.crumbs .now{color:var(--txt-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{margin-top:24px;padding-bottom:28px;border-bottom:1px solid transparent;border-image:linear-gradient(90deg,rgba(15,227,166,.55),rgba(108,77,255,.35),rgba(255,255,255,0)) 1;border-bottom-width:1px}
.article-head h1{
  font-size:clamp(24px,3vw,34px);line-height:1.32;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--txt-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;color:var(--brand);background:rgba(15,227,166,.1);border:1px solid rgba(15,227,166,.25);
}
.badge-data{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(200,255,77,.12);color:var(--accent);font-size:13px;font-weight:700;
}
.badge-data::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

.layout{margin-top:40px;display:flex;gap:32px;align-items:flex-start}
.main-col{flex:1 1 auto;min-width:0}
.side-col{flex:0 0 280px;width:280px}

/* ---------- paper ---------- */
.paper{
  max-width:800px;margin:0 auto;background:var(--paper);color:var(--paper-txt);
  border-radius:var(--r-md);padding:48px;
  box-shadow:0 0 0 1px rgba(255,255,255,.06),0 0 70px rgba(15,227,166,.09),var(--shadow-1);
  font-size:16.5px;line-height:1.9;
}
.paper p{margin:0 0 18px}
.paper h2{
  font-size:21px;line-height:1.4;margin:34px 0 16px;padding-left:14px;position:relative;color:var(--paper-txt);
}
.paper h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#0FE3A6,#6C4DFF);
}
.paper h3{font-size:17px;margin:26px 0 12px;color:var(--paper-txt)}
.paper ul{margin:0 0 18px;padding-left:2px}
.paper ul li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--paper-txt-2)}
.paper ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,#0FE3A6,#6C4DFF);
}
.paper ol{margin:0 0 18px;padding-left:22px;list-style:decimal;color:var(--paper-txt-2)}
.paper ol li{margin-bottom:10px}
.paper blockquote{
  margin:22px 0;padding:16px 20px;background:#EDEFF3;color:var(--paper-txt-2);
  border-left:4px solid;border-image:linear-gradient(180deg,#0FE3A6,#6C4DFF) 1;border-radius:0 10px 10px 0;
}
.paper blockquote p:last-child{margin-bottom:0}
.paper img{border-radius:var(--r-sm);margin:20px 0 8px;width:100%;height:auto}
.paper figure{margin:20px 0}
.paper figcaption{font-size:12px;color:#8A93A1;text-align:center}
.paper table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--paper-line);border-radius:10px;overflow:hidden}
.paper th,.paper td{padding:12px 14px;border-bottom:1px solid var(--paper-line);text-align:left}
.paper th{background:#E9ECF1;font-weight:700}
.paper tbody tr:nth-child(even){background:#F1F3F6}
.paper a{color:#0A8F6C;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.paper a:hover{color:#6C4DFF}
.paper code{background:#E9ECF1;padding:2px 6px;border-radius:6px;font-size:14px}
.paper hr{border:0;border-top:1px solid var(--paper-line);margin:28px 0}

/* ---------- empty state ---------- */
.state{
  max-width:800px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.state .state-ico{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(15,227,166,.45);color:var(--brand);font-size:24px;box-shadow:0 0 26px rgba(15,227,166,.18);
}
.state p{color:var(--txt-2);font-size:15px;margin-bottom:20px}

/* ---------- related ---------- */
.divider{height:1px;margin:44px 0;background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,0))}
.sec-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-title h2{font-size:22px}
.sec-title .more{font-size:14px;color:var(--txt-2)}
.sec-title .more:hover{color:var(--brand)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.rel-card:hover{border-color:var(--line-hover);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#141A23}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px}
.rel-body h3{font-size:16px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--txt-3)}
.back-links{margin-top:20px;display:flex;flex-wrap:wrap;gap:22px;font-size:14px}
.back-links a{color:var(--txt-2);display:inline-flex;align-items:center;gap:8px}
.back-links a:hover{color:var(--brand)}

/* ---------- prev / next ---------- */
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:36px}
.pn-card{
  display:flex;flex-direction:column;gap:8px;padding:22px 24px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);transition:border-color var(--ease),background var(--ease);
}
.pn-card span{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.04em}
.pn-card strong{font-size:15px;font-weight:600;color:var(--txt-2);line-height:1.6}
.pn-card.is-disabled{opacity:.55}
.pn-card:not(.is-disabled):hover{border-color:var(--line-hover);background:var(--card-2)}

/* ---------- sidebar ---------- */
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:3px;background:var(--grad)}
.toc-list li{margin-bottom:6px}
.toc-list a{font-size:14px;color:var(--txt-2);display:block;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.toc-list a:hover{color:var(--brand)}
.toc-list li:last-child a{border-bottom:0}
.side-mini{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.side-mini:last-child{border-bottom:0;padding-bottom:0}
.side-mini img{width:72px;height:56px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:#141720}
.side-mini div{min-width:0}
.side-mini strong{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--txt);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-mini span{font-size:12px;color:var(--txt-3)}
.side-cta{
  background:#0F1A22;border:1px solid rgba(15,227,166,.28);border-radius:16px;padding:22px;
  box-shadow:0 0 40px rgba(15,227,166,.1);
}
.side-cta p{font-size:14px;color:var(--txt-2);margin:10px 0 16px}

/* ---------- cta ---------- */
.cta-band{margin:96px 0 0}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;padding:40px 44px;
  background:linear-gradient(120deg,rgba(15,227,166,.16) 0%,rgba(108,77,255,.22) 100%),#0E1420;
  border:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-card::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,227,166,.35),rgba(108,77,255,0) 68%);pointer-events:none;
}
.cta-card h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px}
.cta-card p{color:var(--txt-2);font-size:15px;max-width:560px}
.cta-card .btn{position:relative;z-index:1;padding:18px 36px;font-size:16px}

/* ---------- footer ---------- */
.site-footer{margin-top:96px;background:#06090F;border-top:1px solid var(--line);position:relative}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(15,227,166,0),#0FE3A6 30%,#6C4DFF 70%,rgba(108,77,255,0));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 36px}
.footer-col h3{font-size:15px;margin-bottom:18px}
.footer-col p{color:var(--txt-3);font-size:14px;margin-top:16px;max-width:280px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:var(--txt-2);font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding:20px 0;font-size:13px;color:var(--txt-3);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;opacity:.75;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .side-col{display:none}
  .paper{padding:40px}
}
@media (max-width:991.98px){
  .container{padding:0 24px}
  .topbar{display:none}
  .mainnav-inner{height:56px}
  .nav-toggle{display:flex}
  .nav-list{
    position:fixed;top:56px;left:0;right:0;bottom:0;margin:0;
    background:#0A0E15;flex-direction:column;align-items:stretch;gap:0;
    padding:12px 24px calc(96px + env(safe-area-inset-bottom));
    transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform .35s ease,opacity .35s ease;
    overflow-y:auto;z-index:70;
  }
  .nav-list.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-list li{border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-link{display:flex;align-items:center;height:48px;padding:0;font-size:16px}
  .nav-link::after{bottom:6px;left:0;right:auto;width:26px}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-brand{display:none}
  .nav-list .nav-drawer-cta{display:block;margin-top:20px}
  .nav-drawer-cta .btn{width:100%}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:44px 0 28px}
}
@media (min-width:992px){.nav-drawer-cta{display:none}}
@media (max-width:767.98px){
  .page{padding:28px 0 0}
  .paper{padding:28px 22px;font-size:16px;line-height:1.88}
  .paper h2{font-size:19px}
  .rel-grid{grid-template-columns:1fr}
  .pn-grid{grid-template-columns:1fr}
  .cta-card{padding:28px 24px;flex-direction:column;align-items:stretch;text-align:left}
  .cta-card .btn{width:100%}
  .cta-band{margin-top:64px}
  .site-footer{margin-top:64px}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .brand{font-size:15px}
  .brand-mark{width:22px;height:22px;border-radius:8px}
  .paper{padding:22px 18px;font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding:36px 0 24px}
  .crumbs .now{max-width:180px}
  .article-head h1{font-size:23px}
  .cta-card h2{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg:#080B10;
  --bg-2:#0B0F16;
  --bg-3:#101720;
  --card:#141A23;
  --card-hover:#1A2230;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(15,227,166,.45);
  --txt:#EDF1F7;
  --txt-2:#A8B3C4;
  --txt-3:#6E7A8C;
  --brand:#0FE3A6;
  --brand-2:#6C4DFF;
  --accent:#C8FF4D;
  --cta:#FF6A3D;
  --cta-hover:#FF8A5C;
  --cta-active:#E8562C;
  --grad:linear-gradient(135deg,#0FE3A6 0%,#6C4DFF 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-xs:16px;
  --pill:999px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.5),0 0 0 1px rgba(15,227,166,.35);
  --sp-1:20px;
  --sp-2:32px;
  --sp-3:48px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-0.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--txt);text-decoration:none;transition:color .28s var(--ease),border-color .28s var(--ease)}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 18px}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-0.01em;color:var(--txt)}
button{font-family:inherit}
:focus{outline:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 5px rgba(15,227,166,.18)}
.container{max-width:1240px;padding-left:32px;padding-right:32px;margin:0 auto}
.row{--bs-gutter-x:24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(8,11,16,.92);backdrop-filter:blur(12px)}
.topbar{
  height:32px;background:rgba(11,15,22,.9);
  border-bottom:1px solid rgba(255,255,255,.05);
  font-size:12px;color:var(--txt-2);
}
.topbar-inner{height:32px;display:flex;align-items:center;justify-content:space-between;opacity:.75;gap:16px}
.topbar-links{display:flex;gap:20px}
.topbar-links a{color:var(--txt-2)}
.topbar-links a:hover{color:var(--brand)}
.mainnav{position:relative;background:var(--bg-2);border-bottom:1px solid var(--line)}
.mainnav::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(15,227,166,0) 0%,#0FE3A6 30%,#6C4DFF 70%,rgba(108,77,255,0) 100%);
}
.mainnav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--txt);white-space:nowrap}
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--grad);
  box-shadow:0 0 16px rgba(15,227,166,.35);position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;background:#0B0F16;
}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:20px 14px;
  font-size:15px;color:var(--txt-2);border-radius:0;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:12px;height:1px;
  background:linear-gradient(90deg,#0FE3A6,#6C4DFF);opacity:0;transition:opacity .28s var(--ease);
}
.nav-link:hover{color:var(--txt)}
.nav-link:hover::after{opacity:.55}
.nav-link.is-active{
  color:#fff;text-shadow:0 0 12px rgba(15,227,166,.45);
}
.nav-link.is-active::after{
  bottom:10px;height:2px;opacity:1;box-shadow:0 0 10px rgba(15,227,166,.7);
}
.nav-actions{display:flex;align-items:center;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;font-weight:700;letter-spacing:-0.01em;
  transition:transform .28s var(--ease),filter .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-brand{
  height:42px;padding:0 22px;border-radius:var(--pill);font-size:15px;
  background:var(--grad);color:#060E12;box-shadow:0 0 18px rgba(15,227,166,.28);
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.06);color:#060E12}
.btn-cta{
  height:52px;padding:0 34px;border-radius:var(--pill);font-size:16px;
  background:var(--cta);color:#fff;box-shadow:0 8px 22px rgba(255,106,61,.25);
}
.btn-cta:hover{background:var(--cta-hover);transform:translateY(-2px);color:#fff}
.btn-cta:active{background:var(--cta-active)}
.btn-ghost{
  height:52px;padding:0 30px;border-radius:var(--pill);font-size:16px;
  background:transparent;border:1px solid var(--line-hover);color:var(--txt);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm-ghost{height:44px;padding:0 24px;font-size:15px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--txt);border-radius:2px;transition:background .28s var(--ease),transform .28s var(--ease)}
.nav-toggle[aria-expanded="true"] span{background:var(--brand)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;min-height:360px;display:flex;align-items:center;
  overflow:hidden;border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(8,11,16,.96) 0%,rgba(8,11,16,.82) 45%,rgba(11,15,22,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero-bg::after{
  content:"";position:absolute;right:-80px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,77,255,.35) 0%,rgba(108,77,255,0) 70%);
}
.page-hero-bg::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,227,166,.28) 0%,rgba(15,227,166,0) 70%);
}
.page-hero-inner{position:relative;z-index:2;padding-top:72px;padding-bottom:56px;width:100%}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--txt-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--txt-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.2)}
.page-hero h1{font-size:38px;line-height:1.25;max-width:820px}
.page-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero-lead{margin-top:18px;max-width:700px;font-size:16px;color:var(--txt-2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.tag-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:var(--pill);border:1px solid var(--line);background:rgba(20,26,35,.7);
  font-size:13px;color:var(--txt-2);
}
.tag-chip i{color:var(--brand)}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;top:64px;z-index:1020;background:rgba(11,15,22,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:12px;padding:14px 32px;overflow-x:auto;scrollbar-width:none;max-width:1240px;margin:0 auto}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:none;height:36px;display:inline-flex;align-items:center;padding:0 18px;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--card);font-size:14px;color:var(--txt-2);
}
.anchor-pill:hover{border-color:var(--line-hover);color:var(--brand)}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap}
.sec-head h2{font-size:28px}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;color:var(--accent);letter-spacing:.08em;margin-bottom:10px;
}
.sec-head p{margin:12px 0 0;color:var(--txt-2);font-size:15px;max-width:620px}

/* ---------- z card ---------- */
.zcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);transition:border-color .35s var(--ease),box-shadow .35s var(--ease),transform .35s var(--ease);
  height:100%;
}
.zcard:hover{border-color:var(--line-hover);box-shadow:var(--sh-2);transform:translateY(-2px)}
.zcard-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--card);
  aspect-ratio:16/10;
  background-image:linear-gradient(135deg,rgba(15,227,166,.10),rgba(108,77,255,.14));
}
.zcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.zcard:hover .zcard-media img{transform:scale(1.03)}
.zlabel{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--pill);
  background:rgba(108,77,255,.16);color:#B9A7FF;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.zcard h3{font-size:22px;margin-top:16px}
.zcard p{color:var(--txt-2);font-size:15px;margin:14px 0 0}
.zlist{margin-top:20px;display:grid;gap:12px}
.zlist li{display:flex;gap:10px;font-size:15px;color:var(--txt-2);line-height:1.7}
.zlist li i{color:var(--brand);margin-top:7px;font-size:11px;flex:none}
.badge-data{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:var(--pill);
  background:rgba(200,255,77,.12);color:var(--accent);font-size:14px;font-weight:700;
  font-family:Barlow,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
.badge-data::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.zcard-foot{margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--txt-2)}
.arrow-link i{transition:transform .28s var(--ease)}
.arrow-link:hover i{transform:translateX(4px)}

/* ---------- timeline ---------- */
.steps-wrap{position:relative;padding-left:40px}
.steps-wrap::before{
  content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#0FE3A6 0%,#6C4DFF 60%,rgba(108,77,255,0) 100%);
}
.step{position:relative;padding:0 0 40px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-40px;top:6px;width:28px;height:28px;border-radius:50%;
  background:var(--bg-3);border:2px solid var(--brand);box-shadow:0 0 14px rgba(15,227,166,.45);
}
.step::after{
  content:attr(data-step);position:absolute;left:-33px;top:11px;font-size:12px;font-weight:800;color:var(--accent);
  font-family:Barlow,system-ui,sans-serif;
}
.step h3{font-size:20px}
.step p{color:var(--txt-2);font-size:15px;margin:10px 0 0;max-width:760px}

/* ---------- accordion ---------- */
.faq-accordion .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xs);
  margin-bottom:16px;overflow:hidden;
}
.faq-accordion .accordion-button{
  position:relative;background:var(--card);color:var(--txt);font-size:17px;font-weight:700;
  min-height:56px;padding:16px 20px;box-shadow:none;border:0;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--card-hover);color:var(--brand);box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 2px rgba(15,227,166,.55);border:0}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:400;color:var(--accent);
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  transition:transform .3s ease-out;margin-left:auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand)}
.faq-accordion .accordion-body{
  background:var(--card-hover);color:var(--txt-2);font-size:15px;line-height:1.8;
  padding:6px 20px 22px;
}

/* ---------- cta ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;padding:48px;
  background:linear-gradient(135deg,rgba(15,227,166,.22) 0%,rgba(108,77,255,.28) 100%),var(--bg-3);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-card::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,227,166,.4) 0%,rgba(15,227,166,0) 70%);
}
.cta-card h2{font-size:26px;position:relative;z-index:2}
.cta-card p{margin:12px 0 0;color:var(--txt-2);font-size:15px;position:relative;z-index:2}
.cta-card .btn{position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{
  background:#05070A;border-top:1px solid var(--line);position:relative;margin-top:96px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,rgba(15,227,166,0),#0FE3A6 30%,#6C4DFF 70%,rgba(108,77,255,0));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:20px;color:var(--txt)}
.footer-col p{font-size:14px;color:var(--txt-3);margin:16px 0 0;max-width:280px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a,.footer-links span{font-size:14px;color:var(--txt-2)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--txt-3);opacity:.72;
}

/* ---------- responsive ---------- */
@media (max-width:1399.98px){
  .page-hero h1{font-size:36px}
}
@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px}
  .anchor-inner{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .topbar{display:none}
  .mainnav-inner{height:56px}
  .nav-toggle{display:flex}
  .nav-actions .btn-brand{display:none}
  .nav-list{
    position:fixed;left:0;right:0;top:56px;bottom:0;z-index:1050;
    background:rgba(8,11,16,.98);flex-direction:column;align-items:stretch;gap:0;
    padding:16px 20px 120px;overflow-y:auto;display:none;
  }
  body.drawer-open .nav-list{display:flex}
  body.drawer-open{overflow:hidden}
  .nav-link{padding:0 4px;height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .anchor-bar{top:56px}
  .page-hero{min-height:320px}
  .page-hero-inner{padding-top:48px;padding-bottom:40px}
  .page-hero h1{font-size:30px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .sec-head{margin-bottom:32px}
  .cta-card{padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 32px}
}
@media (max-width:767.98px){
  .page-hero h1{font-size:28px}
  .zcard{padding:22px}
  .zcard h3{font-size:20px}
  .sec-head h2{font-size:24px}
  .cta-card h2{font-size:22px}
  .cta-card .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .anchor-inner{padding-left:16px;padding-right:16px}
  .page-hero{min-height:300px}
  .page-hero h1{font-size:26px}
  .page-hero-lead{font-size:15px}
  .zcard{padding:18px}
  .cta-card{padding:24px;border-radius:22px}
  .faq-accordion .accordion-button{font-size:16px;padding:14px 16px}
  .faq-accordion .accordion-body{padding:4px 16px 18px}
  .steps-wrap{padding-left:34px}
  .step::before{left:-34px;width:24px;height:24px}
  .step::after{left:-28px;top:9px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn:hover,.zcard:hover{transform:none!important}
}
html{scroll-behavior:smooth;scroll-padding-top:120px}

/* roulang page: category2 */
:root{
  --bg:#080B10;
  --bg-2:#0B0F16;
  --bg-3:#101720;
  --card:#141A23;
  --card-hover:#1A2230;
  --brand:#0FE3A6;
  --brand-2:#6C4DFF;
  --accent:#C8FF4D;
  --cta:#FF6A3D;
  --cta-hover:#FF8A5C;
  --cta-active:#E8562C;
  --txt:#EDF1F7;
  --txt-2:#A8B3C4;
  --txt-3:#6E7A8C;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(15,227,166,.45);
  --grad:linear-gradient(135deg,#0FE3A6 0%,#6C4DFF 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.5),0 0 0 1px rgba(15,227,166,.35);
  --t:.3s ease-out;
  --sec:96px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe 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 var(--t),border-color var(--t)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--txt)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{max-width:1240px;padding-left:32px;padding-right:32px;margin:0 auto}
@media (max-width:1199.98px){.container{padding-left:24px;padding-right:24px}}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 顶部条 ---------- */
.topbar{background:#05070A;border-bottom:1px solid var(--line)}
.topbar-inner{
  height:32px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12px;color:var(--txt-3);opacity:.9;white-space:nowrap;overflow:hidden;
}
.topbar-inner>span:first-child{overflow:hidden;text-overflow:ellipsis}
.topbar-links{display:flex;gap:18px;flex:0 0 auto}
.topbar-links a{color:var(--txt-3)}
.topbar-links a:hover{color:var(--brand)}

/* ---------- 主导航 ---------- */
.mainnav{position:relative;background:var(--bg-2);border-bottom:1px solid var(--line);z-index:40}
.mainnav::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,#0FE3A6,#6C4DFF,transparent);
}
.mainnav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;z-index:3}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--txt);letter-spacing:-.01em}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad);flex:0 0 auto;
  box-shadow:0 0 16px rgba(15,227,166,.45);
}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-block;padding:20px 0;font-size:15px;color:var(--txt-2);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:1px;
  background:linear-gradient(90deg,transparent,#0FE3A6,transparent);
  opacity:0;transition:opacity var(--t);
}
.nav-link:hover{color:var(--txt)}
.nav-link:hover::after{opacity:1}
.nav-link.is-active{color:#FFFFFF;text-shadow:0 0 14px rgba(15,227,166,.6)}
.nav-link.is-active::after{
  height:2px;opacity:1;background:linear-gradient(90deg,transparent,#0FE3A6,#6C4DFF,transparent);
  box-shadow:0 0 10px rgba(15,227,166,.75);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);cursor:pointer;
  font-weight:700;font-size:14px;line-height:1;white-space:nowrap;
  transition:transform var(--t),filter var(--t),box-shadow var(--t),border-color var(--t),background var(--t);
}
.btn-brand{height:40px;padding:0 22px;background:var(--grad);color:#04140E;box-shadow:0 0 0 1px rgba(15,227,166,.25),0 8px 22px rgba(15,227,166,.18)}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04140E}
.btn-ghost{height:44px;padding:0 24px;border-color:rgba(255,255,255,.18);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand)}
.btn-cta{height:52px;padding:0 32px;font-size:16px;background:var(--cta);color:#1A0A02;box-shadow:0 10px 26px rgba(255,106,61,.28)}
.btn-cta:hover{background:var(--cta-hover);transform:translateY(-2px);color:#1A0A02}
.btn-cta:active{background:var(--cta-active)}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;border:1px solid var(--line);
  border-radius:12px;background:transparent;padding:0;z-index:1060;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:var(--txt);border-radius:2px;transition:var(--t)}
body.nav-open .nav-toggle span{background:var(--brand)}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:44px 0 38px;min-height:340px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(8,11,16,.78) 0%,rgba(8,11,16,.94) 72%,var(--bg) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;top:-120px;left:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,227,166,.22),transparent 68%);pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;bottom:-160px;right:-60px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,77,255,.24),transparent 68%);pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--txt-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--txt-3)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:#3C4553}
.cat-hero h1{font-size:38px;line-height:1.25;max-width:820px;margin-bottom:16px}
.cat-hero-desc{max-width:760px;font-size:17px;color:var(--txt-2);line-height:1.85}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(200,255,77,.12);color:var(--accent);font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* ---------- 锚点胶囊条 ---------- */
.anchor-bar{
  position:sticky;top:0;z-index:35;padding:12px 0;
  background:rgba(11,15,22,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:12px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:var(--r-pill);background:rgba(255,255,255,.02);
  font-size:14px;color:var(--txt-2);transition:var(--t);
}
.chip:hover{border-color:var(--line-hover);color:var(--brand);transform:translateY(-2px)}

/* ---------- 问答主体 ---------- */
.qa-section{padding:56px 0 0}
.qa-search{
  display:flex;align-items:center;gap:14px;height:60px;padding:0 10px 0 20px;margin-bottom:44px;
  background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color var(--t),box-shadow var(--t);
}
.qa-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,227,166,.15)}
.search-icon{
  width:16px;height:16px;flex:0 0 auto;border:2px solid var(--txt-3);border-radius:50%;position:relative;
}
.search-icon::after{
  content:"";position:absolute;right:-6px;bottom:-4px;width:8px;height:2px;background:var(--txt-3);
  border-radius:2px;transform:rotate(45deg);
}
.qa-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;color:var(--txt);
  font-size:15px;font-family:inherit;
}
.qa-search input::placeholder{color:var(--txt-3)}
.qa-search input:focus{outline:none}
.qa-search .btn-ghost{height:40px;padding:0 20px;font-size:14px}

.qa-side{position:sticky;top:88px}
.qa-side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
}
.qa-side-title{
  font-size:13px;letter-spacing:.08em;color:var(--txt-3);text-transform:uppercase;
  margin-bottom:14px;font-weight:700;
}
.qa-index li+li{margin-top:6px}
.qa-index a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);font-size:14.5px;color:var(--txt-2);
  border:1px solid transparent;transition:var(--t);
}
.qa-index a:hover{background:var(--card-hover);border-color:var(--line-hover);color:var(--brand)}
.qa-index .idx-num{
  font-size:12px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;
}
.qa-side-note{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--txt-3);line-height:1.7;
}
.qa-side-note a{color:var(--brand)}

.qa-group{margin-bottom:52px;scroll-margin-top:96px}
.qa-group-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.qa-group-head::before{
  content:"";width:3px;height:22px;border-radius:2px;background:var(--grad);flex:0 0 auto;
  box-shadow:0 0 10px rgba(15,227,166,.6);
}
.qa-group h2{font-size:23px}
.qa-group-sub{font-size:14px;color:var(--txt-3);margin-bottom:20px}
.qa-item{padding:0 0 32px}
.qa-item + .qa-item{padding-top:32px;border-top:1px solid rgba(255,255,255,.05)}
.qa-q{
  position:relative;font-size:18.5px;font-weight:700;line-height:1.55;
  padding-left:20px;margin-bottom:10px;color:var(--txt);
}
.qa-q::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 10px rgba(15,227,166,.7);
}
.qa-a{font-size:16px;color:var(--txt-2);line-height:1.9;padding-left:20px}
.qa-a strong{color:var(--txt);font-weight:700}

/* ---------- 排查提示卡 ---------- */
.tips-section{padding:32px 0 var(--sec)}
.tips-card{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:border-color var(--t),box-shadow var(--t);
}
.tips-card:hover{border-color:var(--line-hover);box-shadow:var(--sh-2)}
.tips-media{position:relative;min-height:280px;background:var(--bg-3)}
.tips-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.tips-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,26,35,.1),rgba(20,26,35,.75));
}
.tips-body{padding:40px 44px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(108,77,255,.16);color:#B9A6FF;font-size:13px;font-weight:700;margin-bottom:16px;
}
.tips-body h2{font-size:26px;margin-bottom:12px}
.tips-body p{color:var(--txt-2);font-size:15.5px;margin-bottom:22px}
.tick-list li{position:relative;padding-left:24px;margin-bottom:12px;font-size:15px;color:var(--txt-2)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
  background:rgba(15,227,166,.18);border:1px solid var(--brand);
}
.tips-body .btn-ghost{margin-top:10px}

/* ---------- 行动转化条 ---------- */
.cta-section{padding:0 0 var(--sec)}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(135deg,rgba(15,227,166,.16) 0%,rgba(108,77,255,.2) 100%),var(--bg-3);
  border:1px solid var(--line);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,227,166,.28),transparent 70%);pointer-events:none;
}
.cta-card h2{font-size:24px;margin-bottom:10px;position:relative;z-index:2}
.cta-card p{font-size:15px;color:var(--txt-2);position:relative;z-index:2}
.cta-card .btn{position:relative;z-index:2;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:#05070A;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,#0FE3A6,#6C4DFF,transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-col .brand{margin-bottom:16px}
.footer-col p{font-size:14px;color:var(--txt-3);max-width:280px;line-height:1.8}
.footer-col h3{
  font-size:13px;letter-spacing:.08em;color:var(--txt-2);margin-bottom:16px;font-weight:700;
  text-transform:uppercase;
}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a,.footer-links span{font-size:14px;color:var(--txt-3)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:var(--txt-3);opacity:.75;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec:72px}
  .cat-hero h1{font-size:34px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .tips-body{padding:32px 32px}
}
@media (max-width:991.98px){
  :root{--sec:64px}
  .nav-toggle{display:block}
  .nav-list{
    position:fixed;inset:0;z-index:1050;
    flex-direction:column;align-items:stretch;gap:0;
    padding:96px 24px 140px;
    background:rgba(6,9,14,.985);
    transform:translateX(100%);transition:transform .35s ease-out;
    overflow-y:auto;
  }
  body.nav-open .nav-list{transform:translateX(0)}
  .nav-list li{width:100%;border-bottom:1px solid var(--line)}
  .nav-link{display:block;height:48px;line-height:48px;padding:0;font-size:17px;width:100%}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  body.nav-open{overflow:hidden}
  .qa-side{display:none}
  .tips-card{grid-template-columns:1fr}
  .tips-media{min-height:220px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-card .btn{width:100%}
  .cat-hero{padding-top:32px;min-height:320px}
}
@media (max-width:767.98px){
  :root{--sec:56px}
  .topbar-inner span:first-child{display:none}
  .topbar-inner{justify-content:flex-end}
  .brand{font-size:16px}
  .cat-hero h1{font-size:28px}
  .cat-hero-desc{font-size:15.5px}
  .qa-group h2{font-size:20px}
  .qa-q{font-size:17px;padding-left:18px}
  .qa-a{padding-left:18px;font-size:15.5px}
  .qa-item{padding-bottom:28px}
  .qa-item + .qa-item{padding-top:28px}
  .tips-body{padding:24px}
  .tips-body h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .qa-search{height:56px;padding-left:16px}
  .qa-search .btn-ghost{display:none}
  .cta-card h2{font-size:20px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .cat-hero h1{font-size:26px}
  .btn-brand{height:36px;padding:0 16px;font-size:13px}
  .hero-meta{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FE3A6;
  --c-accent:#6C4DFF;
  --c-lime:#C8FF4D;
  --c-cta:#FF6A3D;
  --c-cta-h:#FF8A5C;
  --c-cta-a:#E8562C;
  --bg-0:#080B10;
  --bg-1:#0B0F16;
  --bg-2:#101720;
  --card:#141A23;
  --card-hover:#1A2230;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(15,227,166,.45);
  --txt-1:#EDF1F7;
  --txt-2:#A8B3C4;
  --txt-3:#6E7A8C;
  --paper:#F6F7F9;
  --paper-txt:#1A1F27;
  --grad-brand:linear-gradient(135deg,#0FE3A6 0%,#6C4DFF 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(0,0,0,.35);
  --sh-hover:0 14px 36px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:.3s var(--ease);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--txt-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(15,227,166,.85),0 0 14px rgba(15,227,166,.45);border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:700;
  cursor:pointer;white-space:nowrap;transition:transform var(--t),background var(--t),border-color var(--t),box-shadow var(--t),filter var(--t);
}
.btn svg{width:16px;height:16px;transition:transform var(--t)}
.btn-brand{background:var(--grad-brand);color:#06121A;box-shadow:0 6px 20px rgba(15,227,166,.22)}
.btn-brand:hover{color:#06121A;transform:translateY(-2px);filter:brightness(1.06)}
.btn-brand:hover svg{transform:translateX(2px)}
.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--line);color:var(--txt-1)}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--c-primary);transform:translateY(-2px)}
.btn-cta{background:var(--c-cta);color:#fff;box-shadow:0 6px 20px rgba(255,106,61,.25)}
.btn-cta:hover{background:var(--c-cta-h);color:#fff;transform:translateY(-2px)}
.btn-cta:active{background:var(--c-cta-a)}
.btn-lg{height:52px;padding:0 34px;font-size:16px}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(15,227,166,.1);color:var(--c-primary);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.tag-purple{background:rgba(108,77,255,.16);color:#B4A2FF}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(200,255,77,.12);color:var(--c-lime);
  font-size:13px;font-weight:700;
  font-family:"Barlow","DIN Alternate","PingFang SC",sans-serif;
}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--c-lime);flex:0 0 6px}

.sec{padding-top:var(--sec-y)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:26px}
.sec-head p{color:var(--txt-2);font-size:15px;margin-top:10px;max-width:720px}
.sec-more{color:var(--txt-2);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent}
.sec-more:hover{border-bottom-color:var(--c-primary)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1000}
.topbar{height:32px;background:var(--bg-1);border-bottom:1px solid rgba(255,255,255,.05);font-size:12px;color:var(--txt-2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:32px;opacity:.7;white-space:nowrap;overflow:hidden}
.topbar-links{display:flex;gap:20px}
.topbar-links a:hover{color:var(--c-primary)}

.mainnav{position:relative;background:var(--bg-1)}
.mainnav::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(15,227,166,.9) 25%,rgba(108,77,255,.9) 75%,transparent);
}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}

.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--txt-1);letter-spacing:-.01em}
.brand:hover{color:var(--txt-1)}
.brand-mark{position:relative;width:24px;height:24px;flex:0 0 24px;border-radius:8px;background:var(--grad-brand);box-shadow:0 0 14px rgba(15,227,166,.45)}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--bg-1)}

.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:var(--txt-2);white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-2px;height:1px;
  background:rgba(15,227,166,.6);transition:left var(--t),right var(--t),background var(--t);
}
.nav-link:hover{color:var(--txt-1)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--txt-1)}
.nav-link.is-active::after{
  left:0;right:0;height:2px;background:var(--c-primary);
  box-shadow:0 0 10px rgba(15,227,166,.8),0 0 20px rgba(15,227,166,.35);
}
.nav-actions{display:flex;align-items:center;gap:14px}

.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:transparent;cursor:pointer;
  transition:border-color var(--t),background var(--t);
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--txt-1);transition:background var(--t)}
.nav-toggle:hover{border-color:var(--line-hover)}
.nav-toggle.is-open span{background:var(--c-primary)}

.mobile-drawer{
  position:fixed;inset:0;z-index:1200;display:flex;flex-direction:column;
  padding:20px;background:rgba(8,11,16,.98);
  transform:translateY(-101%);transition:transform .34s var(--ease);overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--txt-1);font-size:20px;line-height:1;cursor:pointer}
.drawer-close:hover{border-color:var(--line-hover);color:var(--c-primary)}
.drawer-nav{display:flex;flex-direction:column;margin:12px 0 20px}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;font-weight:600;color:var(--txt-2);border-bottom:1px solid rgba(255,255,255,.05)}
.drawer-nav a.is-active{color:var(--c-primary)}
.drawer-cta{margin-top:auto}

/* ---------- 首屏窄幅主视觉 ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--bg-1);min-height:352px;display:flex;align-items:center;padding:56px 0 52px}
.banner-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.34}
.banner-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 18%,rgba(15,227,166,.30),transparent 46%),
    radial-gradient(circle at 88% 84%,rgba(108,77,255,.32),transparent 48%),
    linear-gradient(180deg,rgba(8,11,16,.30),rgba(8,11,16,.94));
}
.banner-grid{
  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:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 80%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 80%);
}
.banner-inner{position:relative;z-index:2;width:100%}

.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--txt-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb-line a{color:var(--txt-3)}
.breadcrumb-line a:hover{color:var(--c-primary)}
.breadcrumb-line .sep{color:rgba(255,255,255,.2)}
.breadcrumb-line .now{color:var(--txt-2)}

.banner-title{font-size:40px;line-height:1.24;display:flex;flex-direction:column;gap:8px}
.banner-title .t-main{display:block}
.banner-title .t-sub{
  display:block;font-size:17px;font-weight:700;letter-spacing:.02em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-desc{margin-top:20px;max-width:760px;color:var(--txt-2);font-size:16px;line-height:1.85}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:96px;z-index:900;
  background:rgba(11,15,22,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;align-items:center;gap:12px;height:64px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-label{font-size:13px;color:var(--txt-3);white-space:nowrap;padding-right:4px}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--txt-2);white-space:nowrap;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.pill:hover{border-color:var(--line-hover);color:var(--c-primary);background:rgba(15,227,166,.06)}

/* ---------- 支持矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.matrix-card{
  position:relative;display:flex;gap:20px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:32px;overflow:hidden;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t),background var(--t);
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);
  opacity:0;transition:opacity var(--t);
}
.matrix-card:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--sh-hover);background:var(--card-hover)}
.matrix-card:hover::before{opacity:1}
.m-icon{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;color:var(--c-primary);
  background:rgba(15,227,166,.07);border:1px solid rgba(15,227,166,.32);
}
.m-icon svg{width:24px;height:24px}
.m-body{flex:1;min-width:0}
.m-body h3{font-size:19px;margin-bottom:10px}
.m-body p{color:var(--txt-2);font-size:15px;line-height:1.8}
.m-arrow{
  flex:0 0 auto;align-self:center;color:var(--txt-3);
  transition:transform var(--t),color var(--t);
}
.matrix-card:hover .m-arrow{transform:translateX(2px);color:var(--c-primary)}
.m-arrow svg{width:20px;height:20px}

/* ---------- 宽幅信息图 ---------- */
.wide-visual{
  position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);min-height:340px;
  display:flex;align-items:flex-end;background:var(--bg-2);
}
.wide-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.wide-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,11,16,.35) 0%,rgba(8,11,16,.86) 68%,rgba(8,11,16,.96) 100%),
             radial-gradient(circle at 82% 22%,rgba(108,77,255,.32),transparent 46%),
             radial-gradient(circle at 10% 90%,rgba(15,227,166,.22),transparent 44%);
}
.wide-visual-body{position:relative;z-index:2;padding:40px}
.wide-visual-body h2{font-size:24px;margin:14px 0 14px}
.wide-visual-body p{color:var(--txt-2);font-size:15px;max-width:760px;line-height:1.85}
.wide-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ---------- 保障条 ---------- */
.assure{
  position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
}
.assure::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand)}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assure-item{position:relative;padding:30px 26px}
.assure-item + .assure-item::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--line)}
.assure-item svg{width:22px;height:22px;color:var(--c-primary);margin-bottom:12px}
.assure-item h3{font-size:16px;margin-bottom:6px}
.assure-item p{color:var(--txt-3);font-size:13px;line-height:1.7}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:28px 24px;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.flow-step:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;margin-bottom:16px;
  font-family:"Barlow","DIN Alternate",sans-serif;font-size:15px;font-weight:700;
  color:var(--c-lime);background:rgba(200,255,77,.12);border:1px solid rgba(200,255,77,.28);
}
.flow-step h3{font-size:17px;margin-bottom:10px}
.flow-step p{color:var(--txt-2);font-size:14px;line-height:1.8}

/* ---------- 通道卡 ---------- */
.channels{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.channel-card{
  display:flex;flex-direction:column;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 32px;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.channel-card:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.channel-card h3{font-size:21px;margin-top:4px}
.channel-card .lead{color:var(--txt-2);font-size:15px;line-height:1.8}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;color:var(--txt-2);font-size:15px;line-height:1.8}
.check-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;margin-top:11px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 8px rgba(15,227,166,.7);
}
.channel-card .btn{align-self:flex-start;margin-top:auto}

/* ---------- 联系方式 ---------- */
.contact-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:center;
  background:linear-gradient(150deg,rgba(15,227,166,.14),rgba(108,77,255,.16)),var(--bg-2);
  border:1px solid var(--line);border-radius:28px;padding:48px;
}
.contact-card::after{
  content:"";position:absolute;right:-80px;bottom:-110px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,227,166,.28),transparent 68%);pointer-events:none;
}
.contact-main{position:relative;z-index:2}
.contact-main h2{font-size:24px;margin-bottom:14px}
.contact-main p{color:var(--txt-2);font-size:15px;max-width:560px}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.contact-list{
  position:relative;z-index:2;background:rgba(8,11,16,.6);
  border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;
}
.contact-row{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.contact-row:last-child{border-bottom:0;padding-bottom:0}
.contact-row:first-child{padding-top:0}
.contact-row svg{width:18px;height:18px;color:var(--c-primary);flex:0 0 18px;margin-top:4px}
.contact-row .k{display:block;font-size:12px;color:var(--txt-3)}
.contact-row .v{display:block;font-size:15px;font-weight:600;color:var(--txt-1)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:#060910;margin-top:var(--sec-y);padding-top:64px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(15,227,166,.7) 30%,rgba(108,77,255,.7) 70%,transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--txt-1)}
.footer-col p{color:var(--txt-3);font-size:14px;line-height:1.8;margin-top:14px;max-width:260px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:var(--txt-2);font-size:14px;width:fit-content;border-bottom:1px solid transparent}
.footer-links a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}
.footer-note{color:var(--txt-3);font-size:14px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--txt-3);opacity:.6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec-y:88px}
  .banner-title{font-size:36px}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  :root{--sec-y:72px}
  .topbar{display:none}
  .mainnav-inner{height:56px}
  .nav-list,.nav-actions .btn-brand{display:none}
  .nav-toggle{display:flex}
  .anchor-bar{top:56px}
  .anchor-inner{height:58px}
  .banner-title{font-size:32px}
  .page-banner{min-height:320px;padding:44px 0 40px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .assure-item:nth-child(3)::before{display:none}
  .assure-item:nth-child(odd)::before{display:none}
  .assure-item:nth-child(3),.assure-item:nth-child(4){border-top:1px solid var(--line)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .channels{grid-template-columns:1fr}
  .contact-card{grid-template-columns:1fr;padding:36px 28px}
  .wide-visual-body{padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  :root{--sec-y:56px}
  .container{padding-left:24px;padding-right:24px}
  .banner-title{font-size:28px}
  .banner-title .t-sub{font-size:15px}
  .banner-desc{font-size:15px}
  .matrix{grid-template-columns:1fr}
  .matrix-card{padding:24px}
  .flow{grid-template-columns:1fr}
  .sec-head h2{font-size:22px}
  .wide-visual{min-height:260px}
  .wide-visual-body h2{font-size:20px}
  .contact-main h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .banner-title{font-size:26px}
  .page-banner{min-height:300px}
  .assure-grid{grid-template-columns:1fr}
  .assure-item + .assure-item{border-top:1px solid var(--line)}
  .assure-item + .assure-item::before{display:none}
  .channel-card{padding:28px 22px}
  .contact-card{padding:28px 20px;border-radius:24px}
  .btn{padding:0 20px}
  .btn-lg{height:48px;padding:0 24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}