:root {
  --bg:#f2f1ee;--surface:#fff;--ink:#2a241c;--muted:#6d6356;--line:#e2d8c8;
  --brand:#b86a16;--brand-deep:#8a4d0c;--accent:#d4892a;--chip:#f7f1e7;
  --shadow:0 12px 28px rgba(80,50,10,.08);--radius:18px;--max:1120px;
  --font:"Georgia","Songti SC","SimSun","PingFang SC","Microsoft YaHei",serif;
  --header-bg:rgba(255,255,255,.95);--nav-hover:#f3e7d4;--footer-bg:#2b2218;
  --bg-image:linear-gradient(180deg,#efe8dc,#f2f1ee 260px);
  --btn-ink:#fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg-image);
  line-height: 1.75;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-deep); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: #000; color: #fff; padding: .5rem 1rem; z-index: 1000; }
.skip:focus { left: 1rem; top: 1rem; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .75rem; color: inherit; text-decoration: none; }
.brand img { width: 42px; height: 42px; border-radius: 10px; object-fit: cover; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 1.05rem; color: var(--brand-deep); }
.brand-text span { font-size: .78rem; color: var(--muted); }
.nav { display: flex; align-items: center; gap: .35rem; }
.nav a { color: var(--ink); padding: .45rem .7rem; border-radius: 999px; font-size: .92rem; text-decoration: none; }
.nav a:hover, .nav a.active { background: var(--nav-hover); color: var(--brand-deep); }
.menu-toggle {
  display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px;
  width: 44px; height: 44px; cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.menu-toggle span { width: 18px; height: 2px; background: var(--ink); display: block; }
.ads-wrap { margin: 1rem 0 1.4rem; padding: .6rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .72rem 1.15rem; border-radius: 999px; font-weight: 600; text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--btn-ink, #fff); }
.btn-primary:hover { filter: brightness(1.05); text-decoration: none; color: var(--btn-ink, #fff); }
.btn-ghost { border: 1px solid rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; text-decoration: none; }
.page-hero { padding: 1.8rem 0 1rem; }
.page-hero h1 { margin: 0 0 .5rem; font-size: clamp(1.45rem, 2.4vw, 2rem); }
.page-hero p { margin: 0; color: var(--muted); max-width: 46rem; }
.simple-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 1.3rem; box-shadow: var(--shadow); margin-bottom: 2rem;
}
.simple-card h2 { margin-top: 1.4rem; color: var(--brand-deep); }
.simple-card h2:first-child { margin-top: 0; }
.error-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 2rem 1rem; }
.error-box {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 2rem 1.4rem; max-width: 520px; box-shadow: var(--shadow);
}
.error-box h1 { margin: 0 0 .6rem; font-size: 2rem; color: var(--brand-deep); }
.site-footer { background: var(--footer-bg); color: #d5e2f4; padding: 2rem 0 1.4rem; margin-top: 1rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
.site-footer a { color: #cfe0f7; }
.site-footer h3 { margin: 0 0 .7rem; font-size: 1rem; color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .35rem; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); padding-top: 1rem; font-size: .88rem; color: #9eb2cc; }
.outlinks { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0; }
.outlinks a {
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .45rem .9rem;
  color: var(--brand-deep); text-decoration: none; font-weight: 600;
}
.outlinks a:hover { background: var(--nav-hover); }
.faq-item { margin-bottom: .7rem; background: var(--chip); border: 1px solid var(--line); border-radius: 14px; padding: .95rem; }
.faq-item summary { cursor: pointer; font-weight: 700; color: var(--brand-deep); list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: .55rem 0 0; }
.table-wrap { overflow-x: auto; margin: 1rem 0; }
table { width: 100%; border-collapse: collapse; min-width: 560px; background: #fff; }
th, td { border: 1px solid var(--line); padding: .7rem .8rem; text-align: left; vertical-align: top; font-size: .94rem; }
th { background: var(--chip); color: var(--brand-deep); }
.grid-shots, .grid-partners, .grid-2, .grid-3 { display: grid; gap: 1rem; margin: 1rem 0 1.2rem; }
.grid-shots { grid-template-columns: repeat(3, 1fr); }
.grid-partners { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.shot, .partner, .feature { background: var(--chip); border: 1px solid var(--line); border-radius: 14px; padding: .95rem; }
.shot img, .partner img { width: 100%; border-radius: 10px; object-fit: contain; background: #fff; }
.shot figcaption, .partner figcaption { margin-top: .45rem; font-size: .86rem; color: var(--muted); text-align: center; }
.shot img { aspect-ratio: 16/10; object-fit: cover; }
.partner img { height: 72px; object-fit: contain; padding: .4rem; }
.feature h3 { margin: 0 0 .4rem; }
.feature p { margin: 0; font-size: .95rem; }
.note { background: var(--chip); border: 1px solid var(--line); border-radius: 14px; padding: 1rem; margin-top: 1rem; }

.card-hero{padding:1.8rem 0 1rem}.card-hero h1{margin:0 0 .6rem;font-size:clamp(1.5rem,2.5vw,2.15rem);color:var(--brand-deep)}
.card-hero .intro{max-width:48rem;color:var(--muted);margin:0 0 1.1rem}
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:0 0 1.2rem}
.mod-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:1.05rem;box-shadow:var(--shadow);min-height:140px}
.mod-card h3{margin:0 0 .45rem;color:var(--brand-deep);font-size:1.08rem}
.mod-card p{margin:0;color:#4b4338;font-size:.95rem}
.prose{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:1.35rem;box-shadow:var(--shadow);margin-bottom:2rem}
.prose h2{margin:1.7rem 0 .7rem;color:var(--brand-deep);font-size:1.3rem}
.prose p{margin:0 0 .9rem;color:#3a3228}
@media(max-width:900px){.mod-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.mod-grid{grid-template-columns:1fr}}

@media (max-width: 960px) {
  .grid-shots, .grid-partners, .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    display: none; position: absolute; left: 1rem; right: 1rem; top: 72px;
    background: #fff; border: 1px solid var(--line); border-radius: 14px;
    flex-direction: column; align-items: stretch; padding: .6rem; box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { border-radius: 10px; }
  .grid-shots, .grid-partners, .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
}

/* official topbar - readable header strip */
.topbar{
  background:linear-gradient(90deg,#0b4ea2,#1260c4);
  color:#eef5ff;
  font-size:.86rem;
  padding:.45rem 0;
  line-height:1.4;
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:.75rem;
  flex-wrap:nowrap;
}
.topbar-brand{font-weight:600;color:#fff;white-space:nowrap}
.topbar-domain{opacity:.92;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:760px){
  .topbar{font-size:.8rem;padding:.4rem 0}
  .topbar .container{justify-content:center;gap:.35rem}
  .topbar-domain::before{content:"· ";opacity:.7}
}


/* ads: keep square, avoid oversized icons */
.ads-wrap.ads-header{
  margin:0;
  padding:.5rem .75rem .35rem;
  border:none;
  border-bottom:1px solid rgba(0,0,0,.06);
  border-radius:0;
  background:#fff;
}
.ads-wrap #ads{
  margin:4px 0 !important;
  gap:8px 12px !important;
}
.ads-wrap #ads img,.ads-header #ads img,#ads img{
  width:56px !important;
  height:56px !important;
  max-width:56px !important;
  max-height:56px !important;
  aspect-ratio:1/1 !important;
  object-fit:cover !important;
  object-position:center center;
  display:block;
  border-radius:12px;
}
.ads-wrap #ads figure{margin:0;width:56px}
.ads-wrap #ads > div{width:60px;flex:0 0 60px}
.ads-wrap #ads .caption,.ads-wrap #ads figcaption{
  font-size:11px;
  max-width:60px;
  margin-top:3px;
  color:#666;
}

/* full domain outlink chain */
.outlinks-chain{margin:1.2rem 0 1.6rem}
.outlinks-chain h2,.outlinks-chain h3{margin:0 0 .7rem;font-size:1.15rem}
.outlinks-chain p.note{margin:0 0 .8rem;color:#5b6b7f;font-size:.92rem}
.outlinks{
  display:flex;
  flex-wrap:wrap;
  gap:.55rem .65rem;
  margin:0;
}
.outlinks a{
  display:inline-flex;
  align-items:center;
  background:#fff;
  border:1px solid #c9daf0;
  border-radius:999px;
  padding:.4rem .85rem;
  color:#083a7a;
  text-decoration:none;
  font-weight:600;
  font-size:.88rem;
  line-height:1.3;
}
.outlinks a:hover{background:#eaf2fc;color:#0b4ea2;text-decoration:none}
.outlinks a .dom{
  margin-left:.35rem;
  font-weight:500;
  color:#5b6b7f;
  font-size:.8rem;
}
@media (max-width:760px){
  .outlinks a{font-size:.82rem;padding:.38rem .7rem}
  .outlinks a .dom{display:none}
}