/* MarketAtlas — clean light editorial theme */
*{box-sizing:border-box}
:root{
  --bg:#ffffff; --bg-soft:#f6f8fa; --line:#e5e8ec; --line-2:#d7dce2;
  --ink:#111826; --text:#2b3442; --muted:#5c6675; --muted-2:#8a93a1;
  --brand:#0f766e; --brand-2:#0d9488; --brand-ink:#062e2a;
  --accent:#f59e0b;
  --maxw:1080px; --radius:10px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",Roboto,Helvetica,Arial,sans-serif;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--ink);line-height:1.25;margin:0 0 .5em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* header */
.site-head{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .bar{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .dot{width:22px;height:22px;border-radius:6px;background:var(--brand);display:inline-block}
.nav{display:flex;gap:22px}
.nav a{color:var(--muted);font-size:15px}
.nav a:hover{color:var(--ink);text-decoration:none}
.nav a[aria-current="page"]{color:var(--brand);font-weight:600}

/* hero */
.hero{padding:56px 0 34px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#f0fdfa 0%,#ffffff 100%)}
.hero .eyebrow{color:var(--brand);font-weight:700;letter-spacing:1.5px;text-transform:uppercase;font-size:13px}
.hero h1{font-size:40px;letter-spacing:-.5px;margin:12px 0 14px;max-width:16em}
.hero p{font-size:19px;color:var(--muted);max-width:44em;margin:0}
.hero .meta{margin-top:18px;color:var(--muted-2);font-size:14px}

/* sections */
section{padding:44px 0}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:44em;margin-bottom:26px}
.section-head h2{font-size:28px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:17px;margin:.4em 0 0}

/* region cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--line-2);box-shadow:0 6px 22px rgba(17,24,38,.06)}
.card h3{font-size:19px;margin-bottom:6px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .more{display:inline-block;margin-top:12px;font-weight:600;font-size:14px}

/* marketplace list */
.mkt{border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;background:#fff;margin-bottom:16px}
.mkt-top{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.mkt h3{margin:0;font-size:20px}
.mkt .tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;background:#ecfdf5;color:var(--brand);border:1px solid #cdece7}
.tag.region{background:#eef2ff;color:#4338ca;border-color:#dfe3fb}
.tag.year{background:#fff7ed;color:#b45309;border-color:#fde6c8}
.mkt p{margin:12px 0 0;color:var(--text)}
.mkt .visit{display:inline-block;margin-top:12px;font-weight:600;font-size:14px}
.mkt .visit::after{content:" ↗";color:var(--muted-2)}

/* prose */
.prose{max-width:46em}
.prose p{margin:0 0 1em;color:var(--text)}
.prose h2{font-size:26px;margin:1.4em 0 .5em}
.prose ul{color:var(--text);padding-left:1.2em}
.prose li{margin:.3em 0}

/* faq */
.faq details{border:1px solid var(--line);border-radius:8px;padding:0;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-size:20px}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 20px 18px;color:var(--muted)}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--bg-soft);padding:34px 0;color:var(--muted);font-size:14px}
.site-foot .cols{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-foot a{color:var(--muted)}
.site-foot .brand{font-size:16px;color:var(--ink);margin-bottom:8px}
.site-foot .legal{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted-2);font-size:13px}

@media(max-width:860px){
  .grid,.grid-2{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .nav{gap:14px;font-size:14px}
}

/* ---- 广告位 / 促销入口（连到 /go） ---- */
.promo-strip{display:block;background:linear-gradient(90deg,#e2342b,#ff7a18);color:#fff;text-align:center;
  padding:11px 16px;font-weight:700;font-size:15px;position:relative;overflow:hidden}
.promo-strip:hover{text-decoration:none;filter:brightness(1.06)}
.promo-strip .hl{background:#ffd21e;color:#2a1400;padding:2px 9px;border-radius:4px;margin:0 6px;font-weight:800}
.promo-strip .cta{margin-left:8px;text-decoration:underline;white-space:nowrap}
.promo-strip::after{content:"";position:absolute;top:0;left:-45%;width:45%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);animation:promoShine 3.2s ease-in-out infinite}
@keyframes promoShine{0%{left:-45%}55%{left:120%}100%{left:120%}}

.ad-band{padding:28px 0;text-align:center}
.ad-band a{display:inline-block;max-width:100%;line-height:0;border-radius:8px;
  box-shadow:0 8px 24px rgba(226,52,43,.18);transition:transform .15s,box-shadow .15s}
.ad-band a:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(226,52,43,.28);text-decoration:none}
.ad-band img{max-width:100%;height:auto;border-radius:8px;display:block}
.ad-band .tip{margin-top:9px;color:#9aa1ad;font-size:12px;line-height:1.4}