/* roulang page: index */
:root{
  --brand:#0FB6A4;
  --brand-deep:#0A8C80;
  --brand-soft:#7BE3CE;
  --brand-tint:#E6F7F4;
  --amber:#FFB13B;
  --amber-tint:#FFF4DF;
  --amber-deep:#8A5A00;
  --coral:#FF7A59;
  --ink:#10171A;
  --graphite:#0D1417;
  --muted:#5C6B70;
  --line:#E4EAEC;
  --page:#F6F8F9;
  --card:#FFFFFF;
  --grad:linear-gradient(135deg,#0FB6A4 0%,#3FD3B4 52%,#FFC24B 100%);
  --r-sm:10px;--r-md:16px;--r-card:22px;--r-big:28px;--r-pill:999px;
  --sh-card:0 2px 6px rgba(16,23,26,.05),0 18px 40px -24px rgba(10,140,128,.28);
  --sh-hover:0 6px 14px rgba(16,23,26,.08),0 26px 52px -24px rgba(10,140,128,.42);
  --shell-w:264px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--page);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,2.4vw,32px);line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:650}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-family:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}

/* ---------- App Shell ---------- */
.app-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell-w);z-index:50;
  background:linear-gradient(180deg,#FFFFFF 0%,#F2FBF9 100%);
  border-right:1px solid var(--line);
}
.shell-inner{display:flex;flex-direction:column;height:100%;padding:0 16px 20px}
.brand{display:flex;align-items:center;gap:11px;height:64px;flex:0 0 64px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:0 8px 20px -10px rgba(10,140,128,.9);
}
.brand-mark.small{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:14px}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.25}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.02em;line-height:1.5}
.shell-nav{display:flex;flex-direction:column;gap:4px;margin-top:14px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 14px;
  border-radius:12px;font-size:14.5px;font-weight:500;color:#3B4A4F;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item i{width:20px;text-align:center;font-size:15px;color:#87979C;transition:color .18s ease}
.nav-item:hover{background:#F1F7F6;color:var(--brand-deep);transform:translateX(2px)}
.nav-item:hover i{color:var(--brand)}
.nav-item.active{background:var(--brand-tint);color:var(--brand-deep);font-weight:700}
.nav-item.active i{color:var(--brand-deep)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad);
}
.shell-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.shell-badges{display:flex;flex-wrap:wrap;gap:6px}
.badge{
  display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--brand-tint);color:var(--brand-deep);font-size:12px;font-weight:600;white-space:nowrap;
}
.badge.amber{background:var(--amber-tint);color:var(--amber-deep)}
.badge.line{background:#fff;border:1px solid var(--line);color:var(--muted)}
.shell-note{font-size:11.5px;color:#93A2A6;line-height:1.6}

/* ---------- Mobile topbar & drawer ---------- */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:60;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand-mini{display:flex;align-items:center;gap:9px}
.brand-mini strong{font-size:15px;font-weight:800}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s ease,opacity .22s ease}
.hamburger:hover{background:var(--brand-tint);border-color:var(--brand-soft)}
.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer-mask{position:fixed;inset:0;background:rgba(13,20,23,.6);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:70}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:18px 16px 24px;overflow-y:auto;
  box-shadow:-20px 0 60px -30px rgba(13,20,23,.6);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--muted)}
.drawer-close:hover{background:var(--brand-tint);color:var(--brand-deep)}
.drawer .nav-item{height:50px;font-size:15.5px}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}

/* ---------- Layout ---------- */
.shell-main{min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.section{padding:56px 0}
.section.tight{padding:36px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.kicker{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--brand-tint);color:var(--brand-deep);font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.section-sub{color:var(--muted);font-size:14.5px;line-height:1.75;margin-top:10px;max-width:640px}
.text-link{color:var(--brand-deep);font-weight:650;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:gap .18s ease,color .18s ease}
.text-link:hover{color:var(--brand);gap:10px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:14px;font-size:15px;font-weight:650;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px -14px rgba(10,140,128,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-deep)}
.btn-outline:hover{background:var(--brand-tint);border-color:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost{background:var(--brand-tint);color:var(--brand-deep)}
.btn-ghost:hover{background:#d5f1eb;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:12px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--brand-soft)}
.card-pad{padding:24px}
.card-big{border-radius:var(--r-big)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-big);border:1px solid var(--line);
  background:
    radial-gradient(880px 420px at 90% 4%, rgba(255,194,75,.20), transparent 62%),
    radial-gradient(700px 400px at 4% 0%, rgba(15,182,164,.18), transparent 64%),
    linear-gradient(160deg,#FFFFFF 0%,#F1FBF9 48%,#FFFFFF 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(16,23,26,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(16,23,26,.05) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 68% 28%,#000 18%,transparent 76%);
  mask-image:radial-gradient(circle at 68% 28%,#000 18%,transparent 76%);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,211,180,.28),rgba(63,211,180,0) 68%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:44px 34px 40px;display:grid;grid-template-columns:7fr 5fr;gap:38px;align-items:center}
.hero-copy p.lead{color:var(--muted);font-size:16.5px;line-height:1.85;margin-top:16px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;align-items:center}
.hero-visual{position:relative}
.hero-visual .shot{
  border-radius:var(--r-big);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 30px 70px -40px rgba(10,140,128,.7);background:#fff;
}
.hero-visual .shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.float-stat{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-card);padding:11px 15px;display:flex;flex-direction:column;gap:2px;
}
.float-stat .v{font-size:19px;font-weight:800;color:var(--brand-deep);line-height:1.2}
.float-stat .l{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.float-stat.a{top:-16px;right:-10px}
.float-stat.b{bottom:-18px;left:-10px}

/* ---------- Stat strip ---------- */
.stat-strip{display:flex;gap:14px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none}
.stat-strip::-webkit-scrollbar{display:none}
.stat-pill{
  flex:0 0 auto;min-width:186px;display:flex;align-items:center;gap:13px;
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 18px;
  box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-pill:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--sh-hover)}
.stat-ico{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-deep);font-size:16px;
}
.stat-ico.amber{background:var(--amber-tint);color:var(--amber-deep)}
.stat-body .v{font-size:23px;font-weight:800;line-height:1.15;color:var(--ink)}
.stat-body .l{font-size:12.5px;color:var(--muted);letter-spacing:.02em}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:3fr 2fr;gap:20px}
.bento-large{grid-row:span 2;display:flex;flex-direction:column;overflow:hidden;padding:0}
.bento-large .thumb{width:100%;aspect-ratio:16/10;object-fit:cover}
.bento-large .body{padding:26px 28px 28px}
.bento-large h3{font-size:22px;margin-bottom:10px}
.bento-large p{color:var(--muted);font-size:14.5px}
.bento-small{display:flex;gap:16px;padding:22px 24px;align-items:flex-start}
.bento-ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-deep);font-size:18px;
}
.bento-ico.amber{background:var(--amber-tint);color:var(--amber-deep)}
.bento-ico.coral{background:#FFEDE8;color:#C7411F}
.bento-small h3{font-size:17px;margin-bottom:4px}
.bento-small p{color:var(--muted);font-size:13.5px;line-height:1.7}

/* ---------- Rail / carousel ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 20px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail>*{scroll-snap-align:start;flex:0 0 auto}
.shot-card{width:320px;border-radius:var(--r-card);overflow:hidden}
.shot-card.wide{width:420px}
.shot-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.shot-card .cap{padding:16px 18px 18px}
.shot-card .cap h3{font-size:16px;margin-bottom:4px}
.shot-card .cap p{font-size:13px;color:var(--muted);line-height:1.65}
.rail-dots{display:flex;gap:7px;align-items:center;justify-content:center;margin-top:2px}
.rail-dots i{width:7px;height:7px;border-radius:50%;background:#D6DEE0}
.rail-dots i.on{width:22px;border-radius:4px;background:var(--brand)}
.rail-nav{display:flex;gap:8px}
.rail-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  cursor:pointer;transition:background .18s ease,transform .18s ease;
}
.rail-btn:hover{background:var(--brand-tint);transform:translateY(-2px)}
.rail-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- Requirements ---------- */
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.req-card{padding:24px 22px}
.req-card .ico{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-deep);font-size:17px;margin-bottom:16px;
}
.req-card .v{font-size:24px;font-weight:800;line-height:1.2;margin-bottom:6px}
.req-card .l{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- Feedback wall ---------- */
.wall{columns:2;column-gap:20px}
.wall>*{break-inside:avoid;margin-bottom:20px;display:inline-block;width:100%}
.quote-card{padding:22px 24px}
.quote-card .tagline{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--brand-tint);color:var(--brand-deep);font-size:12px;font-weight:650;margin-bottom:12px;
}
.quote-card p{font-size:14.5px;color:#3B4A4F;line-height:1.8}
.quote-card .who{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.who .n{font-size:13.5px;font-weight:650}
.who .r{font-size:12px;color:var(--muted)}
.check-card{background:var(--graphite);border-color:rgba(255,255,255,.1);padding:24px}
.check-card h3{color:#fff;font-size:18px;margin-bottom:14px}
.check-card li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.75;margin-bottom:10px}
.check-card li i{color:var(--brand-soft);margin-top:6px;font-size:11px}

/* ---------- Download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dl-main{
  grid-column:span 2;border-radius:var(--r-big);padding:30px 30px 28px;color:#fff;position:relative;overflow:hidden;
  background:var(--grad);box-shadow:0 26px 60px -34px rgba(10,140,128,.95);
}
.dl-main::after{content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.16)}
.dl-main h3{color:#fff;font-size:22px;margin-bottom:8px;position:relative;z-index:2}
.dl-main p{color:rgba(255,255,255,.9);font-size:13.5px;position:relative;z-index:2}
.dl-main .btn{background:#fff;color:var(--brand-deep);margin-top:20px;position:relative;z-index:2}
.dl-main .btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px -18px rgba(0,0,0,.5)}
.dl-main .kv{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:2}
.dl-main .kv span{font-size:12.5px;color:rgba(255,255,255,.92)}
.dl-small{padding:22px 20px;display:flex;flex-direction:column;gap:10px}
.dl-small .ico{width:42px;height:42px;border-radius:12px;background:var(--brand-tint);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:17px}
.dl-small h3{font-size:16px}
.dl-small p{font-size:12.5px;color:var(--muted);line-height:1.65}
.dl-small .bottom{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;font-weight:650;color:var(--brand-deep)}
.dl-note{font-size:12.5px;color:var(--muted);margin-top:16px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brand-soft)}
.faq-item[open]{border-color:var(--brand-soft);box-shadow:var(--sh-card)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:15.5px;font-weight:650;color:var(--ink);position:relative;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-deep)}
.faq-item summary i{color:var(--muted);font-size:13px;transition:transform .2s ease;flex:0 0 auto}
.faq-item[open] summary{color:var(--brand-deep)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad)}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85}
.faq-item[open] .faq-body{animation:fadeIn .18s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- Latest / CMS ---------- */
.filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;font-size:13px;color:var(--muted);cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand-soft)}
.chip.on{background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand-soft);font-weight:650}
.latest-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;align-items:start}
.feature-post{display:flex;flex-direction:column;overflow:hidden;padding:0;border-radius:var(--r-big);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.feature-post:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--brand-soft)}
.feature-post .thumb{display:block}
.feature-post .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-post .body{padding:24px 26px 26px}
.feature-post h3{font-size:21px;margin:12px 0 10px;line-height:1.45}
.feature-post .excerpt{color:var(--muted);font-size:14.5px;line-height:1.8}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--brand-tint);color:var(--brand-deep);font-size:12px;font-weight:650;
}
.meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:14px}
.meta span.dot{width:4px;height:4px;border-radius:50%;background:#C4CFD2;display:inline-block}
.latest-list{display:flex;flex-direction:column;gap:12px}
.mini-post{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:18px 20px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-post:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--brand-soft)}
.mini-post h4{font-size:15px;font-weight:650;line-height:1.55;margin:0;color:var(--ink)}
.mini-post .meta{margin-top:0}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-big);padding:44px 24px;text-align:center;
}
.empty-state img{width:180px;margin:0 auto 18px;border-radius:20px;opacity:.9}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ---------- Bottom CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--r-big);background:var(--grad);color:#fff;
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 30px 70px -40px rgba(10,140,128,.95);
}
.cta-banner::after{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.15)}
.cta-banner h2{color:#fff;position:relative;z-index:2}
.cta-banner p{color:rgba(255,255,255,.9);margin-top:10px;font-size:14.5px;position:relative;z-index:2;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
.cta-actions .btn-light{background:#fff;color:var(--brand-deep)}
.cta-actions .btn-light:hover{transform:translateY(-2px)}
.cta-actions .btn-line{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.cta-actions .btn-line:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}

/* ---------- Footer ---------- */
.site-footer{background:var(--graphite);color:rgba(255,255,255,.72);margin-top:24px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-inner{padding:52px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.68);transition:color .18s ease,text-underline-offset .18s ease;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px}
.footer-col a:hover{color:var(--brand-soft);text-decoration-color:var(--brand-soft);text-underline-offset:5px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.footer-tags span{height:24px;padding:0 10px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);font-size:11.5px;display:inline-flex;align-items:center;color:rgba(255,255,255,.7)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (min-width:1024px){
  .shell-main{margin-left:var(--shell-w)}
  .section{padding:84px 0}
  .section.tight{padding:48px 0}
  .mobile-topbar{display:none}
}
@media (max-width:1023.98px){
  .app-shell{display:none}
  .mobile-topbar{display:flex}
  .shell-main{padding-top:56px}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:32px 22px 30px}
  .bento{grid-template-columns:1fr}
  .bento-large{grid-row:auto}
  .latest-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:repeat(2,1fr)}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .dl-main{grid-column:span 2}
  .wall{columns:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-banner{padding:34px 26px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .section{padding:46px 0}
  .container{padding:0 16px}
  .wall{columns:1}
  .req-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:1fr}
  .dl-main{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
  .float-stat.a{top:-12px;right:0}
  .float-stat.b{bottom:-14px;left:0}
  .cta-actions .btn{flex:1 1 100%}
  .shot-card{width:280px}
  .shot-card.wide{width:300px}
}
@media (max-width:480px){
  .hero-inner{padding:26px 16px 26px}
  .feature-post .body{padding:20px}
  .cta-banner{padding:28px 20px}
}

/* roulang page: article */
:root{
  --brand:#0FB6A4;
  --brand-deep:#0A8C80;
  --brand-soft:#7BE3CE;
  --brand-tint:#E6F7F4;
  --amber:#FFB13B;
  --amber-tint:#FFF4DF;
  --amber-ink:#8A5A00;
  --coral:#FF7A59;
  --ink:#10171A;
  --graphite:#0D1417;
  --muted:#5C6B70;
  --line:#E4EAEC;
  --page:#F6F8F9;
  --card:#FFFFFF;
  --radius-s:10px;
  --radius-m:16px;
  --radius-c:22px;
  --radius-l:28px;
  --shadow-card:0 2px 6px rgba(16,23,26,.05), 0 18px 40px -24px rgba(10,140,128,.28);
  --shadow-hover:0 6px 14px rgba(16,23,26,.07), 0 26px 52px -26px rgba(10,140,128,.42);
  --grad:linear-gradient(135deg,#0FB6A4 0%,#3FD3B4 52%,#FFC24B 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--brand-tint);color:var(--brand-deep)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1536px){.container{max-width:1320px}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-deep);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:264px;height:100vh;z-index:50;
  display:flex;flex-direction:column;
  padding:0 14px 18px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F1FBF8 100%);
  border-right:1px solid var(--line);
  overflow-y:auto;
}
@media (min-width:1536px){.sidebar{width:280px}}
.sidebar-logo{height:64px;display:flex;align-items:center;gap:10px;padding:0 6px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--grad);color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 10px 20px -10px rgba(10,140,128,.75);
}
.brand-mark.small{width:32px;height:32px;border-radius:10px;font-size:13px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.02em}
.shell-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:12px;font-size:14.5px;color:#2B3A3E;transition:background .18s ease,color .18s ease;
}
.nav-item i{width:20px;text-align:center;font-size:15px;color:#8B9B9F;transition:color .18s ease}
.nav-item:hover{background:#EEF8F6;color:var(--brand-deep)}
.nav-item:hover i{color:var(--brand-deep)}
.nav-item.active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.nav-item.active i{color:var(--brand-deep)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#0FB6A4,#FFC24B);
}
.shell-side-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:12px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;height:46px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 14px 26px -14px rgba(10,140,128,.8);transition:transform .18s ease,box-shadow .18s ease;
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(10,140,128,.9)}
.side-cta:active{transform:scale(.98)}
.side-badges{display:flex;flex-wrap:wrap;gap:6px}
.side-badges span{
  font-size:11.5px;padding:4px 9px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--muted);
}
.side-legal{font-size:11.5px;color:#93A2A5;line-height:1.6}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:60;
  align-items:center;justify-content:space-between;padding:0 14px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.mobile-logo{display:flex;align-items:center;gap:8px}
.mobile-logo strong{font-size:14px;font-weight:800;white-space:nowrap}
.menu-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:16px;display:grid;place-items:center;transition:.18s ease;
}
.menu-btn:hover{background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand-soft)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,20,23,.6);opacity:0;pointer-events:none;
  transition:opacity .24s ease;z-index:70;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100vh;z-index:80;
  background:#fff;border-left:1px solid var(--line);padding:18px 16px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:6px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted)}
.drawer .nav-item{height:50px;font-size:15px}
.drawer-foot{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:10px}

/* ---------- 主内容区 ---------- */
.main-area{margin-left:264px;min-height:100vh;display:flex;flex-direction:column}
@media (min-width:1536px){.main-area{margin-left:280px}}
@media (max-width:1023px){
  .sidebar{display:none}
  .main-area{margin-left:0;padding-top:56px}
  .mobile-topbar{display:flex}
}
.content-topbar{
  position:sticky;top:0;z-index:40;height:48px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 20px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
@media (max-width:1023px){.content-topbar{top:56px}}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);min-width:0}
.crumb a{color:var(--muted);transition:color .18s ease;white-space:nowrap}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CFD2}
.crumb .now{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46vw}
.top-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.search-toggle{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:grid;place-items:center;transition:.18s ease;
}
.search-toggle:hover{color:var(--brand-deep);border-color:var(--brand-soft);background:var(--brand-tint)}
.mini-dl{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:12px;
  background:var(--brand-tint);color:var(--brand-deep);font-size:13px;font-weight:600;
  transition:.18s ease;
}
.mini-dl:hover{background:var(--brand);color:#fff}
.search-bar{
  display:none;padding:12px 20px;background:#fff;border-bottom:1px solid var(--line);
}
.search-bar.open{display:block}
.search-bar form{display:flex;gap:10px;max-width:560px}
.search-bar input{
  flex:1;height:44px;border-radius:12px;border:1px solid var(--line);padding:0 14px;font-size:14px;
  background:#FBFDFD;transition:.18s ease;
}
.search-bar input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,182,164,.18);background:#fff}
.search-bar button{
  height:44px;padding:0 20px;border-radius:12px;border:none;background:var(--grad);color:#fff;
  font-weight:700;font-size:14px;cursor:pointer;
}

main{flex:1 1 auto}

/* ---------- 文章头部 ---------- */
.post-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(230,247,244,.95) 0%,rgba(255,244,223,.72) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.post-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,182,164,.24),transparent 68%);
}
.post-hero-inner{position:relative;z-index:2;padding:40px 20px 44px;max-width:1200px;margin:0 auto}
@media (min-width:1024px){.post-hero-inner{padding:54px 20px 58px}}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:#fff;border:1px solid var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.post-title{
  margin:16px 0 0;font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);max-width:900px;
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;
  font-size:13px;color:var(--muted);
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CFD2}
.post-meta .pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);
}

/* ---------- 文章栅格与正文 ---------- */
.article-wrap{
  max-width:1200px;margin:0 auto;padding:36px 20px 0;
  display:grid;grid-template-columns:minmax(0,1fr);gap:32px;
}
@media (min-width:1280px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 240px;gap:40px}
}
.article-toc{display:none}
@media (min-width:1280px){
  .article-toc{display:block;position:sticky;top:88px;align-self:start}
}
.toc-title{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-bottom:12px}
.toc-list{list-style:none;margin:0;padding:0 0 0 2px;border-left:1px solid var(--line)}
.toc-list li{margin:0}
.toc-list a{
  display:block;padding:7px 0 7px 14px;font-size:13px;line-height:1.55;color:var(--muted);
  border-left:2px solid transparent;margin-left:-2px;transition:.18s ease;
}
.toc-list a:hover{color:var(--brand-deep)}
.toc-list a.active{color:var(--brand-deep);font-weight:600;border-left-color:var(--brand);background:linear-gradient(90deg,var(--brand-tint),transparent)}

.article-card{
  max-width:860px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-c);
  box-shadow:var(--shadow-card);padding:clamp(20px,3vw,40px);
}
.article-body{max-width:720px;font-size:16px;line-height:1.9;color:#25333A}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.3;font-weight:700;margin:1.9em 0 .8em;padding-left:16px;
  letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#0FB6A4,#FFC24B);
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:650;margin:1.6em 0 .6em}
.article-body blockquote{
  margin:1.4em 0;padding:14px 18px;border-left:3px solid var(--brand);background:var(--brand-tint);
  border-radius:0 12px 12px 0;color:#0A5F57;
}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand-deep);font-weight:600}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body img{border-radius:16px;margin:1.2em 0;height:auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;font-size:14.5px;margin:1.4em 0;
}
.article-body th{background:#F2F7F7;text-align:left;padding:11px 14px;font-weight:600}
.article-body td{padding:11px 14px;border-top:1px solid var(--line)}
.article-body tbody tr:nth-child(even) td{background:#FAFCFC}
.article-body pre{
  background:var(--graphite);color:#D9E6E4;padding:16px 18px;border-radius:14px;overflow:auto;
  font-size:13.5px;line-height:1.7;margin:1.4em 0;
}
.article-body code{
  font-family:"DIN Alternate","Barlow Semi Condensed",ui-monospace,monospace;
  background:#EEF4F3;color:var(--brand-deep);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body pre code{background:none;color:var(--brand-soft);padding:0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:44px 20px 52px;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-ico{
  width:64px;height:64px;border-radius:20px;background:var(--brand-tint);color:var(--brand-deep);
  display:grid;place-items:center;font-size:24px;
}
.empty-state h2{font-size:20px;font-weight:700;margin:6px 0 0}
.empty-state p{margin:0;color:var(--muted);font-size:14px;max-width:420px}

/* ---------- 标签 / 分页 / 相关 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12.5px;background:#F2F7F7;border:1px solid var(--line);color:#3B4A4F;transition:.18s ease;
}
.tag-badge:hover{background:var(--brand-tint);border-color:var(--brand-soft);color:var(--brand-deep)}

.post-pager{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:36px;max-width:860px;
}
@media (max-width:640px){.post-pager{grid-template-columns:1fr}}
.pager-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:16px 18px;
  display:flex;flex-direction:column;gap:6px;transition:.2s ease;
}
.pager-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.pager-card span{font-size:12.5px;color:var(--muted)}
.pager-card strong{font-size:15px;font-weight:650;color:var(--ink);line-height:1.5}

.section-block{padding:52px 0 0}
@media (min-width:1024px){.section-block{padding:72px 0 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;margin:0}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:14px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:var(--brand);gap:10px}

.related-grid{
  max-width:860px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
}
@media (max-width:640px){.related-grid{grid-template-columns:1fr}}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-c);overflow:hidden;
  box-shadow:var(--shadow-card);transition:.22s ease;display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.rel-body h3{font-size:16px;font-weight:650;line-height:1.55;margin:0}
.rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.micro-tag{background:var(--amber-tint);color:var(--amber-ink);border-radius:999px;padding:3px 10px;font-size:12px}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-l);padding:32px;border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(230,247,244,.96),rgba(255,244,223,.9));
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  max-width:860px;
}
.cta-banner::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,182,164,.22),transparent 70%);
}
.cta-copy{position:relative;z-index:2;max-width:520px}
.cta-copy h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;margin:0 0 8px;letter-spacing:-.01em}
.cta-copy p{margin:0;color:#43565B;font-size:14px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:14px;font-size:14.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 26px -16px rgba(10,140,128,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 32px -16px rgba(10,140,128,.95)}
.btn-outline{background:#fff;border-color:var(--brand-soft);color:var(--brand-deep)}
.btn-outline:hover{background:var(--brand-tint);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.75);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:#fff;border-color:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px;border-radius:12px}
.platform-badges{display:flex;flex-wrap:wrap;gap:8px;position:relative;z-index:2}
.platform-badges span{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);color:#41545A;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:72px;background:var(--graphite);color:#B7C4C6;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,#0FB6A4,#3FD3B4 52%,#FFC24B);
}
.footer-inner{padding:56px 20px 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
@media (max-width:980px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand strong{font-size:15.5px;font-weight:800}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px}
.footer-col p{margin:0;font-size:13.5px;line-height:1.8;color:#9FAFB2}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col ul a{font-size:13.8px;color:#B7C4C6;transition:.18s ease}
.footer-col ul a:hover{color:var(--brand-soft);text-decoration:underline;text-underline-offset:4px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.footer-tags span{
  font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.12);color:#9FB0B2;
}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.8px;color:#8B9A9C;
}
@media (max-width:1023px){.site-footer{margin-top:52px}}

/* roulang page: category1 */
:root{
  --brand:#0FB6A4;
  --brand-deep:#0A8C80;
  --brand-soft:#7BE3CE;
  --brand-mist:#E6F7F4;
  --amber:#FFB13B;
  --amber-soft:#FFF4DF;
  --amber-ink:#8A5A00;
  --coral:#FF7A59;
  --ink:#10171A;
  --graphite:#0D1417;
  --muted:#5C6B70;
  --line:#E4EAEC;
  --bg:#F6F8F9;
  --card:#FFFFFF;
  --radius-s:10px;
  --radius-m:16px;
  --radius-c:22px;
  --radius-l:28px;
  --shadow:0 2px 6px rgba(16,23,26,.05), 0 18px 40px -24px rgba(10,140,128,.28);
  --shadow-hover:0 8px 18px rgba(16,23,26,.08), 0 28px 56px -24px rgba(10,140,128,.38);
  --grad:linear-gradient(135deg,#0FB6A4 0%,#3FD3B4 52%,#FFC24B 100%);
  --sidebar-w:264px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h3{font-size:20px;line-height:1.4;font-weight:650;}
::selection{background:var(--brand-soft);color:#06302B;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1536px){ .container{max-width:1320px;} }

/* ===== 侧边栏 ===== */
.app-shell{min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(180deg,#FFFFFF 0%,#F1FAF8 62%,#EAF7F4 100%);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:0 16px 20px;
  z-index:70;
}
@media (min-width:1536px){ .sidebar{width:280px;} }
.sidebar-head{height:64px;display:flex;align-items:center;}
.brand{display:flex;align-items:center;gap:11px;width:100%;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:17px;
  box-shadow:0 10px 22px -10px rgba(10,140,128,.65);
  flex:0 0 auto;
}
.brand-mark.small{width:32px;height:32px;border-radius:10px;font-size:14px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.02em;}
.shell-nav{display:flex;flex-direction:column;gap:4px;margin-top:14px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  height:44px;padding:0 14px;border-radius:12px;
  color:#33474C;font-size:14.5px;font-weight:500;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item i{width:20px;text-align:center;font-size:15px;color:#7C8C90;transition:color .18s ease;}
.nav-item:hover{background:#F1FAF8;color:var(--brand-deep);}
.nav-item:hover i{color:var(--brand);}
.nav-item.active{
  background:var(--brand-mist);color:var(--brand-deep);font-weight:700;
}
.nav-item.active i{color:var(--brand-deep);}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 4px 4px 0;background:var(--grad);
}
.sidebar-foot{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:12px;}
.side-chips{display:flex;flex-wrap:wrap;gap:6px;}
.side-chip{
  font-size:11.5px;line-height:1;padding:6px 9px;border-radius:999px;
  background:#FFFFFF;border:1px solid var(--line);color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.side-note{font-size:11.5px;color:#8896 9A;color:#88969A;line-height:1.6;}

/* ===== 主区 ===== */
.content-shell{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
@media (min-width:1536px){ .content-shell{margin-left:280px;} }

.mobile-bar{
  display:none;position:sticky;top:0;z-index:60;height:56px;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.mobile-brand{display:flex;align-items:center;gap:9px;}
.mobile-brand strong{font-size:15px;font-weight:800;white-space:nowrap;}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;background:#fff;color:var(--ink);font-size:16px;
}
.burger:hover{background:var(--brand-mist);color:var(--brand-deep);}

.page-bar{
  height:48px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:0 24px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.7);
}
.breadcrumb{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);min-width:0;}
.breadcrumb a{transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#B7C2C5;}
.page-bar-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:34px;height:34px;border-radius:999px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:#4E5E63;font-size:13px;
  transition:all .18s ease;
}
.icon-btn:hover{background:var(--brand-mist);color:var(--brand-deep);border-color:var(--brand-soft);}

.scrim{
  display:none;position:fixed;inset:0;background:rgba(13,20,23,.6);z-index:65;
}
.scrim.show{display:block;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 22px;border-radius:14px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(10,140,128,.8);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(10,140,128,.85);}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:#C9E7E1;}
.btn-outline:hover{background:var(--brand-mist);transform:translateY(-2px);box-shadow:0 14px 28px -18px rgba(10,140,128,.6);}
.btn-ghost{background:var(--brand-mist);color:var(--brand-deep);}
.btn-ghost:hover{background:#D6F2EC;transform:translateY(-2px);}
.btn-sm{height:36px;padding:0 14px;border-radius:11px;font-size:13px;font-weight:600;}
.btn-block{width:100%;}
.btn:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}

/* ===== 通用板块 ===== */
main{flex:1 1 auto;}
.section{padding:56px 0;}
.section-tight{padding:40px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  color:var(--brand-deep);letter-spacing:.06em;margin-bottom:9px;
}
.section-head .eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad);}
.section-desc{color:var(--muted);font-size:14.5px;max-width:640px;margin-top:9px;}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-mist);color:var(--brand-deep);border:1px solid #CDEFE8;
}
.pill-amber{background:var(--amber-soft);color:var(--amber-ink);border-color:#F3DFB8;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:#F2F6F7;color:#4E5E63;border:1px solid var(--line);
}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-c);
  box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card-hover:hover{border-color:#BFE9E1;box-shadow:var(--shadow-hover);transform:translateY(-2px);}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  border-radius:var(--radius-l);border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow);
  padding:44px 40px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.82) 46%,rgba(230,247,244,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:right center;
  opacity:.98;
}
.hero-grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,182,164,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(15,182,164,.07) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(circle at 78% 40%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 78% 40%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero-glow{
  position:absolute;width:420px;height:420px;border-radius:50%;
  right:-120px;top:-140px;background:radial-gradient(circle,rgba(255,193,75,.28),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.hero-copy h1{margin:18px 0 16px;}
.hero-copy h1 .hl{
  background:linear-gradient(135deg,#0FB6A4 0%,#3FD3B4 60%,#FFC24B 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:16.5px;color:#41555A;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.hero-media{position:relative;}
.hero-media img{
  border-radius:var(--radius-c);border:1px solid var(--line);
  box-shadow:0 26px 60px -30px rgba(10,140,128,.55);
  aspect-ratio:4/3;object-fit:cover;width:100%;
}
.float-card{
  position:absolute;background:rgba(255,255,255,.96);border:1px solid var(--line);
  border-radius:14px;padding:11px 14px;box-shadow:0 16px 34px -20px rgba(16,23,26,.4);
  backdrop-filter:blur(6px);
}
.float-card .fc-num{font-size:20px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.float-card .fc-label{font-size:11.5px;color:var(--muted);}
.fc-a{left:-18px;bottom:26px;}
.fc-b{right:-14px;top:22px;}

/* ===== 数据徽章 ===== */
.badge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.badge-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:16px 16px 15px;display:flex;flex-direction:column;gap:4px;
}
.badge-card .bc-icon{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-mist);color:var(--brand-deep);font-size:13px;margin-bottom:6px;
}
.badge-card .bc-num{font-size:26px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.badge-card .bc-label{font-size:12.5px;color:var(--muted);}

/* ===== 定义式两栏 ===== */
.define-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px;align-items:start;}
.define-card{padding:30px;border-radius:var(--radius-l);}
.define-card h3{margin-bottom:14px;}
.define-card p{color:#41555A;font-size:15.5px;}
.define-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.define-list li{display:flex;gap:11px;font-size:14.5px;color:#41555A;}
.define-list i{color:var(--brand);margin-top:6px;font-size:12px;}
.badge-grid-right{align-self:stretch;}

/* ===== 时间线 + sticky ===== */
.tl-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:32px;align-items:start;}
.timeline{position:relative;}
.tl-item{position:relative;padding:0 0 22px 60px;}
.tl-item::before{
  content:"";position:absolute;left:19px;top:46px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(15,182,164,.45),rgba(15,182,164,.08));
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child::before{display:none;}
.tl-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:999px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:var(--brand-mist);color:var(--brand-deep);border:1px solid #CDEFE8;
  font-variant-numeric:tabular-nums;
}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:18px 20px;box-shadow:var(--shadow);}
.tl-card h3{font-size:17.5px;margin-bottom:7px;}
.tl-card p{font-size:14.5px;color:#4E6065;}
.tl-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;}

.sticky-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:16px;}
.download-card{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid #BFE9E1;
  background:linear-gradient(160deg,#FFFFFF 0%,#F2FBF9 60%,#EAF7F4 100%);
  box-shadow:var(--shadow);
}
.download-card .dc-head{padding:22px 22px 18px;border-bottom:1px dashed #CDEFE8;}
.download-card .dc-head .dc-title{font-size:18px;font-weight:800;margin-bottom:5px;}
.download-card .dc-head .dc-sub{font-size:12.5px;color:var(--muted);}
.dc-body{padding:18px 22px 22px;display:flex;flex-direction:column;gap:13px;}
.dc-meta{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#4E6065;}
.dc-meta .row{display:flex;justify-content:space-between;gap:10px;align-items:baseline;}
.dc-meta .row span:last-child{font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink);}
.dc-alt{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;}
.dc-alt a{
  display:flex;align-items:center;gap:7px;justify-content:center;
  height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;
  font-size:12.5px;font-weight:600;color:#3D5156;transition:all .18s ease;
}
.dc-alt a:hover{border-color:var(--brand-soft);background:var(--brand-mist);color:var(--brand-deep);}
.dc-foot{font-size:11.5px;color:#88969A;line-height:1.65;}

.mini-card{padding:18px;border-radius:var(--radius-m);}
.mini-card h4{font-size:14.5px;margin-bottom:9px;}
.mini-card ul{display:flex;flex-direction:column;gap:8px;}
.mini-card li{font-size:13px;color:var(--muted);display:flex;gap:8px;}
.mini-card li i{color:var(--brand);margin-top:5px;font-size:11px;}

/* ===== 平台卡错落 ===== */
.platform-grid{display:grid;grid-template-columns:1.45fr 1fr;grid-template-rows:auto auto;gap:20px;}
.p-card{overflow:hidden;border-radius:var(--radius-l);display:flex;flex-direction:column;}
.p-card-lg{grid-row:span 2;}
.p-card-lg img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.p-card-sm{flex-direction:row;align-items:stretch;}
.p-card-sm img{width:132px;height:100%;min-height:132px;object-fit:cover;flex:0 0 auto;}
.p-body{padding:20px 22px;display:flex;flex-direction:column;gap:9px;}
.p-body h3{font-size:17px;}
.p-body p{font-size:13.5px;color:var(--muted);}
.p-foot{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;}

/* ===== 检查清单 ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.check-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-m);
  background:#fff;border:1px solid var(--line);
}
.check-item .ci-icon{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--amber-soft);color:var(--amber-ink);font-size:14px;
}
.check-item h4{font-size:15.5px;margin-bottom:5px;}
.check-item p{font-size:13.5px;color:var(--muted);}

/* ===== FAQ ===== */
.faq-wrap{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:#BFE9E1;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 52px 17px 22px;
  font-size:15.5px;font-weight:650;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--brand-deep);
  transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);}
.faq-item[open] summary{color:var(--brand-deep);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 4px 4px 0;background:var(--grad);
}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:#4E6065;}

/* ===== CTA 横幅 ===== */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  background:var(--grad);color:#fff;padding:44px 42px;
  box-shadow:0 30px 60px -28px rgba(10,140,128,.7);
}
.cta-banner::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  right:-100px;bottom:-160px;background:radial-gradient(circle,rgba(255,255,255,.32),transparent 68%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:28px;align-items:center;}
.cta-inner h2{color:#fff;margin-bottom:10px;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.92);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.btn-white{background:#fff;color:var(--brand-deep);box-shadow:0 14px 30px -16px rgba(6,48,43,.6);}
.btn-white:hover{transform:translateY(-2px);}
.btn-line{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45);}
.btn-line:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}
.cta-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;margin-top:16px;}
.cta-chips span{
  font-size:11.5px;padding:5px 10px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.34);
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--graphite);color:#C6D1D3;margin-top:64px;
  border-top:3px solid transparent;
  border-image:var(--grad) 1;
}
.footer-inner{padding:52px 24px 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;letter-spacing:.02em;}
.footer-col p{font-size:13px;color:#93A2A5;line-height:1.8;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col ul a{
  font-size:13.5px;color:#B7C4C7;transition:color .18s ease,text-underline-offset .18s ease;
}
.footer-col ul a:hover{color:var(--brand-soft);text-decoration:underline;text-underline-offset:4px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:13px;}
.footer-brand strong{color:#fff;font-size:15.5px;font-weight:800;}
.footer-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;}
.footer-tags span{
  font-size:11.5px;padding:5px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);color:#9FB0B3;
}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:#8494 97;color:#849497;
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .hero-inner{grid-template-columns:1fr;gap:30px;}
  .hero-media{max-width:560px;}
  .fc-a{left:10px;}
  .fc-b{right:10px;}
  .tl-layout{grid-template-columns:minmax(0,1fr);}
  .sticky-side{position:static;}
  .platform-grid{grid-template-columns:1fr;}
  .p-card-lg{grid-row:auto;}
  .define-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions,.cta-chips{justify-content:flex-start;}
}
@media (max-width:1023px){
  .sidebar{
    left:auto;right:0;width:280px;
    transform:translateX(102%);transition:transform .26s ease;
    border-right:0;border-left:1px solid var(--line);
    box-shadow:-24px 0 60px -30px rgba(13,20,23,.5);
    overflow-y:auto;
  }
  .sidebar.open{transform:translateX(0);}
  .content-shell{margin-left:0;}
  .mobile-bar{display:flex;}
  .page-bar{padding:0 16px;}
  .breadcrumb span.crumb-last{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .section{padding:44px 0;}
  .hero{padding:32px 24px;}
  .cta-banner{padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .check-grid{grid-template-columns:1fr;}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .p-card-sm{flex-direction:column;}
  .p-card-sm img{width:100%;height:150px;min-height:0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .hero-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .badge-grid{grid-template-columns:1fr;}
  .dc-alt{grid-template-columns:1fr;}
  .hero{padding:26px 18px;}
  h1{font-size:28px;}
  .tl-item{padding-left:50px;}
  .tl-item::before{left:15px;}
  .tl-num{width:32px;height:32px;font-size:13px;}
}

/* roulang page: category2 */
:root{
    --brand:#0FB6A4;
    --brand-deep:#0A8C80;
    --brand-light:#7BE3CE;
    --brand-soft:#E6F7F4;
    --amber:#FFB13B;
    --amber-soft:#FFF4DF;
    --amber-ink:#8A5A00;
    --coral:#FF7A59;
    --graphite:#0D1417;
    --ink:#10171A;
    --muted:#5C6B70;
    --line:#E4EAEC;
    --page:#F6F8F9;
    --card:#FFFFFF;
    --grad:linear-gradient(135deg,#0FB6A4 0%,#3FD3B4 52%,#FFC24B 100%);
    --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px;
    --shadow-card:0 2px 6px rgba(16,23,26,.05), 0 18px 40px -24px rgba(10,140,128,.28);
    --shadow-hover:0 4px 10px rgba(16,23,26,.07), 0 28px 54px -24px rgba(10,140,128,.38);
    --shell-w:264px;
    --topbar-h:56px;
  }

  *,*::before,*::after{ box-sizing:border-box; }

  html{ -webkit-text-size-adjust:100%; }

  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--page);
    -webkit-font-smoothing:antialiased;
  }

  a{ color:inherit; text-decoration:none; }
  img{ max-width:100%; display:block; }
  button{ font-family:inherit; cursor:pointer; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  h1,h2,h3,h4,p{ margin:0; }

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }

  /* ============ 左侧 App Shell ============ */
  .shell{
    position:fixed;
    left:0; top:0; bottom:0;
    width:var(--shell-w);
    background:linear-gradient(180deg,#FFFFFF 0%,#F4FBF9 100%);
    border-right:1px solid var(--line);
    display:flex;
    flex-direction:column;
    z-index:60;
    transition:transform .28s ease;
  }

  .shell-brand{
    display:flex; align-items:center; gap:10px;
    height:64px; padding:0 18px;
    border-bottom:1px solid var(--line);
    flex-shrink:0;
  }
  .brand-mark{
    width:36px; height:36px; border-radius:11px;
    background:var(--grad);
    color:#fff; display:grid; place-items:center;
    font-size:16px;
    box-shadow:0 8px 18px -10px rgba(10,140,128,.8);
    flex-shrink:0;
  }
  .brand-mark.small{ width:28px; height:28px; border-radius:9px; font-size:13px; }
  .brand-text strong{ display:block; font-size:15px; font-weight:750; letter-spacing:-.01em; line-height:1.35; }
  .brand-text span{ display:block; font-size:11.5px; color:var(--muted); line-height:1.4; }

  .shell-nav{
    flex:1;
    padding:16px 12px;
    display:flex; flex-direction:column; gap:4px;
    overflow-y:auto;
  }
  .nav-item{
    position:relative;
    display:flex; align-items:center; gap:11px;
    height:44px; padding:0 12px 0 14px;
    border-radius:12px;
    font-size:14.5px; font-weight:600;
    color:#3B4A4F;
    transition:background .18s ease, color .18s ease, transform .18s ease;
  }
  .nav-item i{ font-size:16px; width:20px; text-align:center; color:#849699; transition:color .18s ease; }
  .nav-item:hover{ background:#F0F7F6; color:var(--brand-deep); }
  .nav-item:hover i{ color:var(--brand-deep); }
  .nav-item.active{
    background:var(--brand-soft);
    color:var(--brand-deep);
    font-weight:700;
  }
  .nav-item.active i{ color:var(--brand-deep); }
  .nav-item.active::before{
    content:"";
    position:absolute; left:0; top:9px; bottom:9px;
    width:3px; border-radius:3px;
    background:var(--grad);
  }
  .nav-item:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }

  .shell-foot{
    padding:16px;
    border-top:1px solid var(--line);
    background:rgba(255,255,255,.7);
  }
  .shell-download{
    display:flex; align-items:center; justify-content:center; gap:8px;
    height:46px; border-radius:14px;
    background:var(--grad); color:#fff;
    font-size:14.5px; font-weight:700;
    box-shadow:0 12px 26px -14px rgba(10,140,128,.85);
    transition:transform .18s ease, box-shadow .18s ease;
    width:100%; border:none;
  }
  .shell-download:hover{ transform:translateY(-2px); box-shadow:0 18px 34px -14px rgba(10,140,128,.9); }
  .shell-download:active{ transform:scale(.98); }
  .shell-meta{
    margin-top:12px; display:flex; flex-wrap:wrap; gap:6px;
  }
  .shell-meta span{
    font-size:11.5px; padding:3px 9px; border-radius:999px;
    background:var(--brand-soft); color:var(--brand-deep); font-weight:600;
  }
  .shell-copy{ margin-top:10px; font-size:11.5px; color:#8B9A9E; line-height:1.6; }

  .shell-mask{
    position:fixed; inset:0; background:rgba(13,20,23,.6);
    z-index:55; opacity:0; visibility:hidden; transition:opacity .25s ease, visibility .25s ease;
  }

  /* ============ 移动顶栏 ============ */
  .mobile-topbar{
    display:none;
    position:fixed; top:0; left:0; right:0; height:var(--topbar-h);
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    align-items:center; justify-content:space-between;
    padding:0 16px;
    z-index:50;
  }
  .mobile-brand{ display:flex; align-items:center; gap:9px; font-size:14.5px; font-weight:750; }
  .menu-btn{
    width:40px; height:40px; border-radius:12px;
    border:1px solid var(--line); background:#fff;
    display:grid; place-items:center; font-size:16px; color:var(--ink);
  }
  .menu-btn:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }

  /* ============ 主内容区 ============ */
  .app-content{ margin-left:var(--shell-w); min-height:100vh; display:flex; flex-direction:column; }
  .app-main{ flex:1; }

  .page-topbar{
    position:sticky; top:0; z-index:40;
    height:48px;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    display:flex; align-items:center; justify-content:space-between;
    padding:0 20px;
    gap:16px;
  }
  .breadcrumb{
    display:flex; align-items:center; gap:7px;
    font-size:13px; color:var(--muted);
    white-space:nowrap; overflow:hidden;
  }
  .breadcrumb a{ color:var(--muted); transition:color .18s ease; }
  .breadcrumb a:hover{ color:var(--brand); }
  .breadcrumb .sep{ color:#B9C6C9; }
  .breadcrumb .cur{ color:var(--ink); font-weight:600; }

  .topbar-tools{ display:flex; align-items:center; gap:10px; }
  .icon-btn{
    width:36px; height:36px; border-radius:50%;
    border:1px solid var(--line); background:#fff;
    display:grid; place-items:center; color:var(--muted);
    transition:all .18s ease;
  }
  .icon-btn:hover{ border-color:var(--brand-light); color:var(--brand-deep); background:var(--brand-soft); }
  .icon-btn:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }
  .mini-download{
    height:36px; padding:0 15px; border-radius:12px;
    background:var(--grad); color:#fff; font-size:13.5px; font-weight:700;
    display:inline-flex; align-items:center; gap:7px; border:none;
    transition:transform .18s ease, box-shadow .18s ease;
    box-shadow:0 10px 22px -14px rgba(10,140,128,.9);
  }
  .mini-download:hover{ transform:translateY(-2px); }
  .mini-download:active{ transform:scale(.98); }

  /* ============ 通用板块 ============ */
  .section{ padding:88px 0; }
  .section.tight{ padding:64px 0; }
  .section-grid-bg{
    background-image:
      linear-gradient(rgba(15,182,164,.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(15,182,164,.06) 1px, transparent 1px);
    background-size:34px 34px;
  }

  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    padding:6px 14px; border-radius:999px;
    background:var(--brand-soft); color:var(--brand-deep);
    font-size:12.5px; font-weight:700; letter-spacing:.02em;
  }
  .eyebrow.amber{ background:var(--amber-soft); color:var(--amber-ink); }

  .h1{
    font-size:clamp(30px,4.4vw,52px);
    line-height:1.15;
    font-weight:800;
    letter-spacing:-.02em;
    margin-top:18px;
  }
  .h2{
    font-size:clamp(24px,2.6vw,32px);
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .h3{ font-size:20px; line-height:1.4; font-weight:650; }
  .lead{ font-size:16.5px; line-height:1.85; color:var(--muted); }
  .small{ font-size:13px; line-height:1.6; color:var(--muted); }

  .section-head{
    display:flex; align-items:flex-end; justify-content:space-between;
    gap:24px; margin-bottom:36px; flex-wrap:wrap;
  }
  .section-head p{ max-width:620px; }
  .title-bar{
    display:flex; align-items:center; gap:12px; margin-bottom:14px;
  }
  .title-bar::before{
    content:""; width:26px; height:4px; border-radius:4px; background:var(--grad);
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:9px;
    height:48px; padding:0 24px;
    border-radius:14px;
    font-size:15px; font-weight:700;
    border:1px solid transparent;
    transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
    white-space:nowrap;
  }
  .btn:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }
  .btn:active{ transform:scale(.98); }
  .btn-primary{
    background:var(--grad); color:#fff;
    box-shadow:0 14px 30px -16px rgba(10,140,128,.9);
  }
  .btn-primary:hover{ transform:translateY(-2px); box-shadow:0 22px 40px -18px rgba(10,140,128,.95); }
  .btn-outline{
    background:#fff; border-color:var(--line); color:var(--brand-deep);
  }
  .btn-outline:hover{ background:var(--brand-soft); border-color:var(--brand-light); transform:translateY(-2px); }
  .btn-ghost{
    background:var(--brand-soft); color:var(--brand-deep);
  }
  .btn-ghost:hover{ background:#D6F2EC; transform:translateY(-2px); }
  .btn-sm{ height:40px; padding:0 18px; font-size:14px; border-radius:12px; }
  .btn[disabled]{ opacity:.6; cursor:not-allowed; transform:none; }

  /* ============ Hero ============ */
  .hero{
    position:relative;
    overflow:hidden;
    padding:66px 0 72px;
    background:
      linear-gradient(120deg, rgba(15,182,164,.10) 0%, rgba(15,182,164,0) 48%),
      #FFFFFF;
    border-bottom:1px solid var(--line);
  }
  .hero::after{
    content:"";
    position:absolute; right:-140px; top:-120px;
    width:460px; height:460px; border-radius:50%;
    background:radial-gradient(circle, rgba(255,193,75,.20) 0%, rgba(255,193,75,0) 68%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative; z-index:2;
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:48px;
    align-items:center;
  }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }
  .hero-badges{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
  .pill{
    display:inline-flex; align-items:center; gap:7px;
    height:28px; padding:0 12px; border-radius:999px;
    background:#fff; border:1px solid var(--line);
    font-size:12.5px; font-weight:600; color:#40535A;
  }
  .pill i{ color:var(--brand); font-size:12px; }

  .hero-visual{
    position:relative;
    border-radius:var(--r-xl);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    background:#fff;
  }
  .hero-visual img{
    width:100%; aspect-ratio:4/3; object-fit:cover;
  }
  .float-badge{
    position:absolute;
    background:rgba(255,255,255,.96);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:10px 14px;
    box-shadow:0 14px 30px -18px rgba(10,140,128,.6);
    backdrop-filter:blur(8px);
  }
  .float-badge .num{
    font-size:22px; font-weight:800; color:var(--brand-deep);
    font-variant-numeric:tabular-nums; line-height:1.2;
  }
  .float-badge .lab{ font-size:12px; color:var(--muted); }
  .fb-1{ left:-14px; bottom:26px; }
  .fb-2{ right:-10px; top:26px; }

  /* ============ 数据徽章条 ============ */
  .stat-strip{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:16px;
  }
  .stat-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
    padding:20px 22px;
    display:flex; align-items:center; gap:14px;
    box-shadow:var(--shadow-card);
    transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }
  .stat-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-hover); border-color:var(--brand-light); }
  .stat-icon{
    width:44px; height:44px; border-radius:14px;
    background:var(--brand-soft); color:var(--brand-deep);
    display:grid; place-items:center; font-size:17px; flex-shrink:0;
  }
  .stat-icon.amber{ background:var(--amber-soft); color:var(--amber-ink); }
  .stat-num{
    font-size:26px; font-weight:800; letter-spacing:-.02em;
    font-variant-numeric:tabular-nums; line-height:1.2;
  }
  .stat-lab{ font-size:12.5px; color:var(--muted); }

  /* ============ 筛选 badge 条 ============ */
  .filter-bar{
    display:flex; align-items:center; gap:10px;
    overflow-x:auto; padding:4px 2px 10px;
    scrollbar-width:none;
  }
  .filter-bar::-webkit-scrollbar{ display:none; }
  .filter-chip{
    flex:0 0 auto;
    height:34px; padding:0 16px; border-radius:999px;
    border:1px solid var(--line); background:#fff;
    font-size:13.5px; font-weight:600; color:#4A5B60;
    transition:all .18s ease;
  }
  .filter-chip:hover{ border-color:var(--brand-light); color:var(--brand-deep); background:var(--brand-soft); }
  .filter-chip.is-active{
    background:var(--brand-deep); border-color:var(--brand-deep); color:#fff;
    box-shadow:0 10px 20px -12px rgba(10,140,128,.9);
  }
  .filter-chip:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }

  /* ============ 能力矩阵 ============ */
  .matrix-wrap{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-xl);
    padding:12px 30px;
    box-shadow:var(--shadow-card);
  }
  .matrix-list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    column-gap:44px;
  }
  .matrix-item{
    display:flex; gap:16px;
    padding:22px 0;
    border-bottom:1px solid var(--line);
  }
  .matrix-list .matrix-item:nth-last-child(-n+2){ border-bottom:none; }
  .matrix-ico{
    width:40px; height:40px; border-radius:12px; flex-shrink:0;
    display:grid; place-items:center; font-size:15px;
    background:var(--brand-soft); color:var(--brand-deep);
  }
  .matrix-ico.amber{ background:var(--amber-soft); color:var(--amber-ink); }
  .matrix-item h3{ font-size:16.5px; font-weight:700; margin-bottom:4px; }
  .matrix-item p{ font-size:14px; color:var(--muted); line-height:1.75; }

  /* ============ 错落大卡 ============ */
  .stagger{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    grid-auto-rows:minmax(0,auto);
    gap:20px;
  }
  .card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-xl);
    box-shadow:var(--shadow-card); overflow:hidden;
    transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }
  .card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-hover); border-color:var(--brand-light); }
  .stagger .card-big{ grid-column:span 7; grid-row:span 2; display:flex; flex-direction:column; }
  .stagger .card-small{ grid-column:span 5; padding:24px 26px; display:flex; gap:16px; }
  .card-big img{ width:100%; height:280px; object-fit:cover; }
  .card-big .card-body{ padding:26px 30px 30px; }
  .card-tag{
    display:inline-flex; align-items:center; gap:6px;
    font-size:12px; font-weight:700; padding:5px 12px; border-radius:999px;
    background:var(--brand-soft); color:var(--brand-deep); margin-bottom:14px;
  }
  .card-tag.amber{ background:var(--amber-soft); color:var(--amber-ink); }
  .card-small .matrix-ico{ width:42px; height:42px; }
  .card-small h3{ font-size:17px; font-weight:700; margin-bottom:8px; }
  .card-small p{ font-size:14px; color:var(--muted); line-height:1.75; }
  .link-more{
    display:inline-flex; align-items:center; gap:6px;
    font-size:14px; font-weight:700; color:var(--brand-deep);
    margin-top:16px; transition:gap .18s ease, color .18s ease;
  }
  .link-more:hover{ gap:10px; color:var(--brand); }

  /* ============ 场景区 ============ */
  .scene-row{
    display:grid;
    grid-template-columns:5fr 7fr;
    gap:40px;
    align-items:center;
    padding:34px 0;
    border-top:1px solid var(--line);
  }
  .scene-row.reverse{ grid-template-columns:7fr 5fr; }
  .scene-row.reverse .scene-media{ order:2; }
  .scene-row.reverse .scene-text{ order:1; }
  .scene-media img{
    width:100%; aspect-ratio:16/10; object-fit:cover;
    border-radius:var(--r-lg); border:1px solid var(--line);
  }
  .scene-index{
    display:inline-flex; align-items:center; justify-content:center;
    width:34px; height:34px; border-radius:10px;
    background:var(--graphite); color:#7BE3CE;
    font-size:13px; font-weight:800; margin-bottom:14px;
    font-variant-numeric:tabular-nums;
  }
  .scene-text h3{ font-size:21px; font-weight:700; margin-bottom:10px; }
  .scene-text p{ font-size:15px; color:var(--muted); line-height:1.85; }
  .scene-points{ margin-top:16px; display:flex; flex-wrap:wrap; gap:8px; }
  .scene-points span{
    font-size:12.5px; font-weight:600; color:#40535A;
    background:#F2F6F6; border-radius:8px; padding:5px 11px;
  }

  /* ============ FAQ ============ */
  .faq-wrap{ max-width:840px; margin:0 auto; }
  .faq-item{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-md);
    margin-bottom:12px; overflow:hidden;
    transition:border-color .18s ease, box-shadow .18s ease;
  }
  .faq-item:hover{ border-color:var(--brand-light); }
  .faq-item[open]{ box-shadow:var(--shadow-card); border-color:var(--brand-light); }
  .faq-item summary{
    list-style:none; cursor:pointer;
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:18px 22px;
    font-size:15.5px; font-weight:650;
    position:relative;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary:focus-visible{ outline:2px solid var(--brand); outline-offset:-2px; }
  .faq-item summary i{
    color:var(--brand-deep); font-size:13px;
    transition:transform .18s ease;
    flex-shrink:0;
  }
  .faq-item[open] summary i{ transform:rotate(180deg); }
  .faq-item[open] summary{ color:var(--brand-deep); }
  .faq-item[open] summary::before{
    content:""; position:absolute; left:0; top:12px; bottom:12px;
    width:3px; border-radius:0 3px 3px 0; background:var(--grad);
  }
  .faq-body{
    padding:0 22px 20px 22px;
    font-size:14.5px; color:var(--muted); line-height:1.85;
  }
  .faq-body p + p{ margin-top:10px; }

  /* ============ 底部下载卡组 ============ */
  .download-group{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:18px;
  }
  .dl-main{
    grid-column:span 1;
    background:var(--grad); color:#fff;
    border-radius:var(--r-xl); padding:30px;
    display:flex; flex-direction:column; gap:12px;
    box-shadow:0 26px 50px -28px rgba(10,140,128,.95);
    transition:transform .18s ease, box-shadow .18s ease;
  }
  .dl-main:hover{ transform:translateY(-2px); box-shadow:0 34px 60px -28px rgba(10,140,128,1); }
  .dl-main h3{ font-size:21px; font-weight:750; }
  .dl-main p{ font-size:13.5px; color:rgba(255,255,255,.88); line-height:1.7; }
  .dl-main .btn{ margin-top:auto; background:#fff; color:var(--brand-deep); box-shadow:none; }
  .dl-main .btn:hover{ transform:translateY(-2px); }
  .dl-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
    padding:22px 20px; display:flex; flex-direction:column; gap:8px;
    box-shadow:var(--shadow-card);
    transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }
  .dl-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-hover); border-color:var(--brand-light); }
  .dl-card i{ font-size:20px; color:var(--brand-deep); }
  .dl-card strong{ font-size:15px; font-weight:700; }
  .dl-card span{ font-size:12.5px; color:var(--muted); line-height:1.6; }
  .dl-note{ margin-top:18px; font-size:13px; color:var(--muted); }

  /* ============ CTA 横幅 ============ */
  .cta-banner{
    position:relative; overflow:hidden;
    border-radius:var(--r-xl);
    background:var(--grad);
    color:#fff;
    padding:52px 48px;
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:32px; align-items:center;
    box-shadow:0 30px 60px -30px rgba(10,140,128,.95);
  }
  .cta-banner::after{
    content:""; position:absolute; right:-80px; bottom:-120px;
    width:320px; height:320px; border-radius:50%;
    background:rgba(255,255,255,.16);
  }
  .cta-banner h2{ color:#fff; font-size:clamp(22px,2.4vw,30px); font-weight:750; line-height:1.3; }
  .cta-banner p{ margin-top:12px; color:rgba(255,255,255,.9); font-size:15px; max-width:560px; }
  .cta-banner .actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:24px; }
  .cta-banner .btn-light{ background:#fff; color:var(--brand-deep); }
  .cta-banner .btn-ghost-w{ background:rgba(255,255,255,.16); color:#fff; border-color:rgba(255,255,255,.4); }
  .cta-banner .btn-ghost-w:hover{ background:rgba(255,255,255,.24); }
  .cta-side{ position:relative; z-index:2; display:flex; flex-direction:column; gap:10px; }
  .cta-side .pill-light{
    display:inline-flex; align-items:center; gap:8px;
    background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.36);
    border-radius:999px; padding:8px 14px; font-size:13px; font-weight:600;
    width:fit-content;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--graphite);
    color:#B9C6C9;
    position:relative;
    margin-top:24px;
  }
  .site-footer::before{
    content:""; position:absolute; top:0; left:0; right:0; height:3px;
    background:var(--grad);
  }
  .footer-inner{ padding:56px 20px 28px; }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:36px;
  }
  .footer-brand{
    display:flex; align-items:center; gap:10px;
    color:#fff; font-size:16px; font-weight:750;
    margin-bottom:14px;
  }
  .footer-col p{ font-size:13.5px; line-height:1.85; color:#93A3A7; }
  .footer-col h4{
    color:#fff; font-size:14px; font-weight:700;
    margin-bottom:16px; letter-spacing:.02em;
  }
  .footer-col ul{ display:flex; flex-direction:column; gap:10px; }
  .footer-col ul a{
    font-size:13.5px; color:#A9B8BC;
    transition:color .18s ease, text-underline-offset .18s ease;
  }
  .footer-col ul a:hover{ color:#7BE3CE; text-decoration:underline; text-underline-offset:4px; }
  .footer-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:16px; }
  .footer-tags span{
    font-size:12px; padding:4px 10px; border-radius:999px;
    background:rgba(255,255,255,.07);
    border:1px solid rgba(255,255,255,.10);
    color:#9FB0B4;
  }
  .footer-bottom{
    margin-top:40px; padding-top:22px;
    border-top:1px solid rgba(255,255,255,.10);
    display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
    font-size:13px; color:#7C8C90;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279.98px){
    .hero-grid{ grid-template-columns:1fr; gap:40px; }
    .stat-strip{ grid-template-columns:repeat(2,1fr); }
    .stagger .card-big{ grid-column:span 12; grid-row:auto; }
    .stagger .card-small{ grid-column:span 12; }
    .download-group{ grid-template-columns:1fr 1fr; }
    .cta-banner{ grid-template-columns:1fr; padding:40px 32px; }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:30px; }
  }

  @media (max-width:1023.98px){
    .shell{ transform:translateX(-100%); box-shadow:0 0 40px rgba(13,20,23,.2); }
    .shell.is-open{ transform:translateX(0); }
    .shell-mask.is-open{ opacity:1; visibility:visible; }
    .mobile-topbar{ display:flex; }
    .app-content{ margin-left:0; padding-top:var(--topbar-h); }
    .page-topbar{ top:var(--topbar-h); }
    .matrix-list{ grid-template-columns:1fr; column-gap:0; }
    .matrix-list .matrix-item:nth-last-child(-n+2){ border-bottom:1px solid var(--line); }
    .matrix-list .matrix-item:last-child{ border-bottom:none; }
    .matrix-wrap{ padding:8px 22px; }
    .scene-row, .scene-row.reverse{ grid-template-columns:1fr; gap:22px; }
    .scene-row.reverse .scene-media{ order:0; }
    .section{ padding:64px 0; }
  }

  @media (max-width:767.98px){
    .section{ padding:52px 0; }
    .hero{ padding:44px 0 52px; }
    .page-topbar .breadcrumb .mid{ display:none; }
    .stat-strip{ grid-template-columns:1fr 1fr; gap:12px; }
    .stat-card{ padding:16px; gap:10px; border-radius:var(--r-md); }
    .stat-num{ font-size:21px; }
    .download-group{ grid-template-columns:1fr; }
    .cta-banner{ padding:32px 22px; }
    .footer-grid{ grid-template-columns:1fr; gap:26px; }
    .footer-bottom{ flex-direction:column; gap:8px; }
    .fb-1{ left:8px; bottom:10px; }
    .fb-2{ right:8px; top:10px; }
    .float-badge{ padding:8px 11px; }
    .float-badge .num{ font-size:18px; }
  }

  @media (max-width:519.98px){
    .stat-strip{ grid-template-columns:1fr; }
    .hero-actions .btn{ width:100%; }
    .hero-badges{ gap:8px; }
    .matrix-wrap{ padding:6px 16px; }
    .card-big .card-body{ padding:20px 20px 24px; }
    .stagger .card-small{ padding:20px; }
  }

/* roulang page: category3 */
:root{
  --brand:#0FB6A4;
  --brand-deep:#0A8C80;
  --brand-soft:#7BE3CE;
  --brand-tint:#E6F7F4;
  --amber:#FFB13B;
  --amber-tint:#FFF4DF;
  --amber-deep:#8A5A00;
  --coral:#FF7A59;
  --ink:#10171A;
  --graphite:#0D1417;
  --muted:#5C6B70;
  --line:#E4EAEC;
  --page:#F6F8F9;
  --white:#FFFFFF;
  --grad:linear-gradient(135deg,#0FB6A4 0%,#3FD3B4 52%,#FFC24B 100%);
  --radius-s:10px;
  --radius-m:16px;
  --radius-card:22px;
  --radius-big:28px;
  --shadow-card:0 2px 6px rgba(16,23,26,.05), 0 18px 40px -24px rgba(10,140,128,.28);
  --shadow-hover:0 6px 14px rgba(16,23,26,.07), 0 26px 52px -24px rgba(10,140,128,.38);
  --shell-w:264px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body.site-body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-deep);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;}

/* ---------- App Shell ---------- */
.app-shell{min-height:100vh;}
.shell{
  position:fixed;left:0;top:0;bottom:0;width:var(--shell-w);
  background:linear-gradient(180deg,#FFFFFF 0%,#F0FBF9 100%);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:0 16px 18px;z-index:60;
}
.shell-logo{height:64px;display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-size:17px;box-shadow:0 10px 20px -10px rgba(15,182,164,.85);
}
.brand-mark.small{width:30px;height:30px;border-radius:10px;font-size:14px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.02em;}
.shell-nav{display:flex;flex-direction:column;gap:6px;margin-top:14px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:12px;
  font-size:15px;color:#3E4E53;transition:background .18s ease,color .18s ease;
}
.nav-item i{width:20px;text-align:center;font-size:15px;color:#8A9AA0;transition:color .18s ease;}
.nav-item:hover{background:#F1F7F6;color:var(--brand-deep);}
.nav-item:hover i{color:var(--brand-deep);}
.nav-item:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.nav-item.active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600;}
.nav-item.active i{color:var(--brand-deep);}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--grad);
}
.shell-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px dashed var(--line);}
.shell-badges{display:flex;flex-wrap:wrap;gap:8px;}
.shell-note{font-size:12.5px;line-height:1.7;color:var(--muted);}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;white-space:nowrap;
}
.pill-tint{background:var(--brand-tint);color:var(--brand-deep);}
.pill-amber{background:var(--amber-tint);color:var(--amber-deep);}
.pill-line{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 28px -16px rgba(15,182,164,.9);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -18px rgba(15,182,164,.95);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-deep);}
.btn-outline:hover{background:var(--brand-tint);border-color:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost{background:var(--brand-tint);color:var(--brand-deep);}
.btn-ghost:hover{background:#D9F3EE;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-mini{height:36px;padding:0 14px;font-size:13.5px;border-radius:11px;background:var(--brand-tint);color:var(--brand-deep);font-weight:600;}
.btn-mini:hover{background:#D6F2EC;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:grid;place-items:center;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:var(--brand-tint);color:var(--brand-deep);transform:translateY(-1px);}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- Main column ---------- */
.shell-main{margin-left:var(--shell-w);min-height:100vh;display:flex;flex-direction:column;background:var(--page);}
.main-col{flex:1;}
.content-bar{
  position:sticky;top:0;z-index:40;height:48px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 24px;background:rgba(246,248,249,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);min-width:0;}
.crumbs a{color:var(--muted);transition:color .18s ease;}
.crumbs a:hover{color:var(--brand-deep);}
.crumbs span{color:#B4C0C3;}
.crumbs .cur{color:var(--ink);font-weight:600;}
.content-actions{display:flex;align-items:center;gap:10px;flex:none;}

/* ---------- Mobile bar & drawer ---------- */
.mobile-bar{display:none;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,20,23,.6);
  opacity:0;pointer-events:none;transition:opacity .24s ease;z-index:90;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:18px 16px;overflow-y:auto;
  box-shadow:-20px 0 40px -24px rgba(13,20,23,.4);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--muted);cursor:pointer;display:grid;place-items:center;
}
.drawer-close:hover{background:var(--brand-tint);color:var(--brand-deep);}
.drawer .nav-item{height:52px;font-size:16px;}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:12px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-color:#F2FBFA;
  background-image:
    linear-gradient(135deg,rgba(15,182,164,.14) 0%,rgba(246,248,249,.6) 46%,rgba(246,248,249,0) 78%),
    linear-gradient(rgba(15,182,164,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(15,182,164,.06) 1px,transparent 1px),
    url('/assets/images/backpic/back-1.webp');
  background-size:auto,32px 32px,32px 32px,cover;
  background-position:0 0,0 0,0 0,center;
  border-bottom:1px solid var(--line);
}
.hero-inner{padding:56px 24px 48px;position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:44px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;color:var(--brand-deep);box-shadow:0 8px 18px -14px rgba(10,140,128,.6);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin:20px 0 0;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:#41575C;max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-figure{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-big);
  padding:16px;box-shadow:var(--shadow-card);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-m);}
.float-badge{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:12px 16px;box-shadow:0 18px 34px -22px rgba(10,140,128,.6);
}
.float-badge b{display:block;font-size:22px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.float-badge span{font-size:12.5px;color:var(--muted);}
.fb-1{left:-16px;bottom:34px;}
.fb-2{right:-10px;top:26px;}

/* ---------- Stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-26px;position:relative;z-index:3;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 20px 18px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.stat-card i{font-size:18px;color:var(--brand);}
.stat-num{font-size:26px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-top:10px;color:var(--ink);}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:2px;}

/* ---------- Section basics ---------- */
.section{padding:72px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.sec-head p{margin-top:8px;font-size:15px;color:var(--muted);max-width:640px;}
.sec-link{font-size:14px;font-weight:600;color:var(--brand-deep);white-space:nowrap;transition:color .18s ease;}
.sec-link:hover{color:#078275;text-decoration:underline;text-underline-offset:4px;}
.dot-deco{display:inline-flex;gap:5px;margin-bottom:12px;}
.dot-deco i{width:6px;height:6px;border-radius:50%;background:var(--brand-soft);display:block;}
.dot-deco i:nth-child(2){background:var(--amber);}
.dot-deco i:nth-child(3){background:var(--brand);}

/* ---------- Scene layout ---------- */
.scene-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:32px;align-items:start;}
.scene-index{
  position:sticky;top:72px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-card);
}
.idx-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;padding:4px 12px 10px;display:block;}
.scene-index a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:#3E4E53;border-left:3px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.scene-index a i{font-size:13px;color:#9DAFB4;}
.scene-index a:hover{background:#F2F8F7;color:var(--brand-deep);}
.scene-index a.on{background:var(--brand-tint);color:var(--brand-deep);font-weight:600;border-left-color:var(--brand);}
.scene-index a.on i{color:var(--brand-deep);}
.scene-list{display:flex;flex-direction:column;gap:20px;}
.scene-card{
  display:grid;grid-template-columns:216px minmax(0,1fr);gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.scene-card img{width:100%;height:100%;min-height:148px;max-height:172px;object-fit:cover;border-radius:var(--radius-m);}
.scene-body h3{font-size:19px;font-weight:700;line-height:1.4;display:flex;align-items:center;gap:10px;}
.scene-body h3 i{color:var(--brand);font-size:16px;}
.scene-body p{margin-top:8px;font-size:14.5px;line-height:1.8;color:#4C5F64;}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.scene-foot{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;font-size:13.5px;}
.scene-foot a{color:var(--brand-deep);font-weight:600;transition:color .18s ease;}
.scene-foot a:hover{color:#067C70;text-decoration:underline;text-underline-offset:4px;}

/* ---------- Checklist row ---------- */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-big);
  padding:26px;box-shadow:var(--shadow-card);
}
.check-row{display:grid;grid-template-columns:repeat(4,1fr);}
.check-item{padding:6px 20px;border-left:1px solid var(--line);}
.check-item:first-child{border-left:none;padding-left:0;}
.check-item i{font-size:18px;color:var(--amber);}
.check-item h3{font-size:15.5px;font-weight:700;margin-top:12px;}
.check-item p{font-size:13.8px;line-height:1.75;color:var(--muted);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--brand-soft);box-shadow:0 12px 28px -22px rgba(10,140,128,.7);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity .18s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary .chev{color:var(--brand);font-size:13px;transition:transform .18s ease;flex:none;}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;font-size:14.8px;line-height:1.85;color:#4C5F64;}
.faq-item[open] .faq-body{animation:faqIn .18s ease;}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- Downloads ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.dl-card{
  grid-column:span 1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:8px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dl-card:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.dl-card i{font-size:20px;color:var(--brand);}
.dl-card h3{font-size:16px;font-weight:700;}
.dl-card p{font-size:13.6px;line-height:1.7;color:var(--muted);}
.dl-card .ver{font-size:13px;color:var(--brand-deep);font-weight:600;font-variant-numeric:tabular-nums;}
.dl-card.big{
  grid-column:span 3;background:var(--grad);border:none;color:#fff;
  box-shadow:0 24px 46px -26px rgba(15,182,164,.95);
}
.dl-card.big i,.dl-card.big h3,.dl-card.big p,.dl-card.big .ver{color:#fff;}
.dl-card.big p{opacity:.94;}
.dl-card.big .btn{background:#fff;color:var(--brand-deep);height:44px;align-self:flex-start;margin-top:8px;}
.dl-card.big .btn:hover{transform:translateY(-2px);}
.dl-note{margin-top:16px;font-size:13.4px;color:var(--muted);line-height:1.75;}

/* ---------- Quote ---------- */
.quote-block{
  border-left:3px solid var(--brand);background:var(--brand-tint);
  border-radius:var(--radius-m);padding:24px 28px;margin-top:26px;
}
.quote-block p{font-size:15.5px;line-height:1.9;color:#1E4344;}
.quote-block cite{display:block;margin-top:12px;font-style:normal;font-size:13.5px;color:var(--brand-deep);font-weight:600;}

/* ---------- Footer ---------- */
.site-footer{background:var(--graphite);color:#B9C6C9;margin-top:88px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);}
.footer-inner{padding-top:56px;padding-bottom:28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px;}
.footer-brand strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-col p{font-size:13.8px;line-height:1.85;color:#9BAAAE;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:#B9C6C9;transition:color .18s ease,text-underline-offset .18s ease;}
.footer-col ul a:hover{color:var(--brand-soft);text-decoration:underline;text-underline-offset:4px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);color:#C9D5D7;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#7E8E93;
}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  :root{--shell-w:240px;}
  .hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:34px;}
}
@media (max-width:1023px){
  .shell{display:none;}
  .shell-main{margin-left:0;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:sticky;top:0;z-index:50;height:56px;padding:0 16px;
    background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .mobile-logo{display:flex;align-items:center;gap:9px;}
  .mobile-logo strong{font-size:15px;font-weight:800;}
  .hamburger{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  }
  .hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--brand-deep);}
  .hamburger:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .content-bar{top:56px;padding:0 16px;}
  .hero-inner{padding:40px 16px 36px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .fb-1{left:8px;bottom:-14px;}
  .fb-2{right:8px;top:-14px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px;}
  .scene-layout{grid-template-columns:1fr;gap:20px;}
  .scene-index{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;border-radius:var(--radius-m);scrollbar-width:none;}
  .scene-index::-webkit-scrollbar{display:none;}
  .idx-title{display:none;}
  .scene-index a{border-left:none;border:1px solid var(--line);white-space:nowrap;padding:8px 14px;border-radius:999px;}
  .scene-index a.on{border-color:var(--brand-soft);}
  .check-row{grid-template-columns:repeat(2,1fr);gap:8px 0;}
  .check-item{padding:10px 18px;}
  .check-item:nth-child(odd){border-left:none;padding-left:0;}
  .dl-grid{grid-template-columns:repeat(2,1fr);}
  .dl-card.big{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding-top:52px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .scene-card{grid-template-columns:1fr;gap:14px;}
  .scene-card img{max-height:200px;}
  .check-panel{padding:20px;}
  .quote-block{padding:20px 20px;}
  .site-footer{margin-top:60px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:1fr;}
  .check-row{grid-template-columns:1fr;}
  .check-item{border-left:none;padding-left:0;}
  .dl-grid{grid-template-columns:1fr;}
  .dl-card.big{grid-column:span 1;}
  .hero-cta .btn{width:100%;}
  .hero h1{font-size:30px;}
}