:root{
  --bg:#F0F4F8;
  --ink:#0A1628;
  --muted:#4A5568;
  --line:#CBD5E0;
  --soft:#FAFBFC;
  --accent:#1A365D;
  --accent-mid:#2C5282;
  --accent-light:#718096;
  --accent-deep:#0A1628;
  --accent-pale:#E8EDF2;
  --max:1140px;
  --shadow:0 22px 52px rgba(0,0,0,.1);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(900px 460px at 95% -5%,rgba(113,128,150,.12),transparent 58%),
    radial-gradient(720px 400px at 0% 100%,rgba(26,54,93,.07),transparent 52%),
    var(--bg);
  line-height:1.85;
}
a{color:var(--accent-deep)}
a:hover{color:var(--accent-mid)}
img{max-width:100%;height:auto;display:block}
.bento-wrap{width:min(100% - 2rem,var(--max));margin-inline:auto}

.bento-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 24px rgba(0,0,0,.04);
}
.bento-header-inner{
  width:min(100% - 2rem,var(--max));margin-inline:auto;
  display:flex;align-items:center;gap:1rem;
  padding:.85rem 0;
}
.bento-brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:inherit;flex-shrink:0}
.bento-brand img{width:44px;height:44px;border-radius:12px;object-fit:cover;border:2px solid var(--accent-pale)}
.bento-brand-text{display:flex;flex-direction:column;line-height:1.25}
.bento-brand-text b{font-size:1.05rem;color:var(--accent-deep)}
.bento-brand-text span{font-size:.76rem;color:var(--muted)}
.bento-nav{margin-left:auto;display:flex;align-items:center;gap:.15rem;flex-wrap:wrap}
.bento-nav a{
  padding:.45rem .72rem;border-radius:10px;font-size:.88rem;color:var(--ink);
  text-decoration:none;border:1px solid transparent;transition:background .2s,border-color .2s;
}
.bento-nav a:hover,.bento-nav a.active{background:var(--accent-pale);border-color:var(--line);color:var(--accent-deep)}
.bento-nav-cta{
  background:linear-gradient(135deg,var(--accent-deep),var(--accent))!important;
  color:#fff!important;font-weight:700;border:none!important;
}
.bento-nav-cta:hover{filter:brightness(1.06);color:#fff!important}
.menu-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--soft);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{width:18px;height:2px;background:var(--accent);display:block;border-radius:1px}
.nav-overlay{display:none;position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.45)}

.bento-ads{margin-top:1rem;margin-bottom:.5rem}
.ads-wrap{margin:0;padding:.75rem 1rem 1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--soft)}
.ads-head{max-width:var(--max);margin:0 auto;padding:0}
.applist-title{text-align:center;color:var(--muted);font-size:.95rem;margin:0 0 .55rem}
#applist{width:100%}
#ads{display:flex!important;justify-content:center;align-items:flex-start;flex-wrap:wrap;gap:12px;margin:0;padding:0;background:transparent}
#ads>div{display:flex!important;flex-direction:column;align-items:center;width:72px!important;min-width:72px;box-sizing:border-box;flex:0 0 72px}
#ads figure{margin:0;padding:0;width:72px;display:flex;flex-direction:column;align-items:center}
#ads a{display:block;width:65px;height:65px;border-radius:16px;overflow:hidden;text-decoration:none;flex-shrink:0}
#ads img{width:65px!important;height:65px!important;max-width:65px!important;max-height:65px!important;object-fit:cover!important;border-radius:16px;display:block!important;border:0;background:var(--accent-pale)}
#ads figcaption,#ads .caption{display:block;width:72px;margin-top:6px;height:auto!important;min-height:16px;font-size:11px!important;line-height:1.2;color:var(--muted);text-align:center;white-space:nowrap!important;overflow:hidden;text-overflow:ellipsis}

.bento-hero{padding:1.2rem 0 1.8rem}
.bento-grid{
  display:grid;gap:1rem;
  grid-template-columns:1.35fr 1fr 1fr;
  grid-template-rows:auto auto;
  grid-template-areas:
    "brand visual visual"
    "brand note1 note2";
}
.bento-brand-cell{grid-area:brand}
.bento-visual-cell{grid-area:visual}
.bento-grid .bento-note-cell:first-of-type{grid-area:note1}
.bento-grid .bento-note-alt{grid-area:note2}
.bento-cell{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1rem,2.5vw,1.5rem);position:relative;overflow:hidden;
}
.bento-brand-cell{
  background:linear-gradient(145deg,var(--accent-pale),var(--soft));
  border-color:var(--line);min-height:280px;
}
.bento-visual-cell{padding:0;overflow:hidden}
.bento-visual-cell img{width:100%;height:100%;object-fit:cover;min-height:220px;border-radius:var(--radius)}
.bento-note-cell{padding:1rem 1.1rem;background:var(--accent-pale)}
.bento-note-alt{background:var(--soft)}
.bento-badge{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  padding:.28rem .65rem;border-radius:999px;
  background:var(--accent);color:#fff;margin-bottom:.75rem;
}
.bento-brand-cell h1{
  margin:0 0 .75rem;font-size:clamp(1.45rem,3.2vw,2rem);line-height:1.32;
  color:var(--accent-deep);font-family:"Source Han Serif SC","Noto Serif SC",serif;
}
.bento-lead{margin:0;color:var(--muted);font-size:1rem;max-width:36rem}
.bento-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin:1rem 0}
.bento-tags span{
  font-size:.76rem;padding:.25rem .6rem;border-radius:999px;
  background:rgba(255,255,255,.7);border:1px solid var(--line);color:var(--accent-deep);
}
.bento-cta-row{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1rem}
.bento-btn{
  display:inline-block;padding:.62rem 1.15rem;border-radius:12px;font-weight:700;font-size:.9rem;text-decoration:none;
}
.bento-btn-primary{background:linear-gradient(135deg,var(--accent-deep),var(--accent));color:#fff}
.bento-btn-ghost{border:1px solid var(--line);background:#fff;color:var(--accent-deep)}
.bento-kicker{margin:0 0 .35rem;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent)}
.bento-note-cell p:last-child{margin:0;font-size:.88rem;color:var(--muted)}

.bento-tiles{
  display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem;margin-top:1rem;
}
.bento-tiles-hero .bento-tile-sm{
  background:var(--soft);border:1px solid var(--line);border-radius:14px;
  padding:.9rem 1rem;text-align:left;
}
.bento-tile-sm strong{display:block;font-size:.92rem;color:var(--accent-deep);margin-bottom:.25rem}
.bento-tile-sm span{font-size:.8rem;color:var(--muted)}

.bento-prose{padding:1.5rem 0 2rem}
.bento-prose-inner{width:min(100% - 2rem,var(--max));margin-inline:auto}
.bento-prose h2{
  font-size:1.32rem;color:var(--accent-deep);margin:0 0 .7rem;
  padding-bottom:.4rem;border-bottom:1px solid var(--line);
}
.bento-prose h3{font-size:1.02rem;color:var(--accent);margin:1rem 0 .4rem}
.bento-prose p{margin:0 0 .85rem}
.bento-prose .bento-tiles{grid-template-columns:repeat(3,1fr);margin:1rem 0}
.bento-tile{
  background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:1rem;
}
.bento-tile h3{margin:0 0 .35rem;font-size:.95rem;color:var(--accent-deep)}
.bento-tile p{margin:0;font-size:.86rem;color:var(--muted);line-height:1.65}

.bento-media{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1rem 0}
.bento-media figure,.bento-gallery figure,.bento-price figure{margin:0}
.bento-media figcaption,.bento-gallery figcaption,.bento-price figcaption{
  font-size:.82rem;color:var(--muted);margin-top:.4rem;text-align:center;
}
.bento-media img,.bento-gallery img,.bento-price img{
  border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);
}
.bento-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:.85rem;margin:1rem 0}

.bento-band{padding:1.8rem 0;background:linear-gradient(180deg,var(--accent-pale),transparent)}
.bento-band-inner{width:min(100% - 2rem,var(--max));margin-inline:auto}
.bento-band h2{font-size:1.28rem;color:var(--accent-deep);margin:0 0 .6rem}
.bento-band p{color:var(--muted);margin:0 0 1rem}
.bento-price{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem}

.outlinks{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.1rem 0}
.outlinks a{
  padding:.48rem 1rem;border-radius:10px;background:var(--accent-pale);
  border:1px solid var(--line);font-size:.88rem;text-decoration:none;
}

.faq details{
  background:var(--soft);border:1px solid var(--line);border-radius:12px;
  padding:.75rem 1rem;margin-bottom:.5rem;
}
.faq summary{cursor:pointer;font-weight:600;color:var(--accent-deep)}
.faq p{margin:.5rem 0 0;font-size:.9rem;color:var(--muted)}

.bento-footer{
  border-top:1px solid var(--line);padding:1.5rem 0 2rem;
  background:rgba(255,255,255,.6);margin-top:1rem;
}
.bento-footer-grid{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.bento-footer-desc{margin:.35rem 0 0;font-size:.88rem;color:var(--muted);max-width:28rem}
.bento-footer-links{display:flex;flex-wrap:wrap;gap:.45rem 1rem;align-items:flex-start}
.bento-footer-links a{font-size:.88rem;color:var(--muted);text-decoration:none}
.bento-footer-links a:hover{color:var(--accent-deep)}
.bento-copyright{margin:1rem 0 0;font-size:.8rem;color:var(--muted)}

.bento-page{padding:1.2rem 0 2.5rem}
.bento-page-hero{margin:1.2rem 0 1.4rem}
.bento-page-hero h1{margin:0 0 .45rem;font-size:1.55rem;color:var(--accent-deep)}
.bento-page-hero p{margin:0;color:var(--muted)}
.bento-card{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.4rem 1.5rem;
}
.bento-card h2{font-size:1.12rem;color:var(--accent-deep);margin:1.1rem 0 .45rem}
.bento-card h2:first-child{margin-top:0}
.bento-card p{margin:0 0 .7rem;color:var(--muted)}

.bento-error{
  min-height:100vh;display:flex;flex-direction:column;
}
.bento-error-main{
  flex:1;display:flex;align-items:center;justify-content:center;padding:2rem 1rem;
}
.bento-error-box{
  max-width:440px;width:100%;text-align:center;
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.5rem;
}
.bento-error-box h1{font-size:3rem;margin:0;color:var(--accent-deep)}
.bento-error-box p{color:var(--muted)}
.bento-error-box .bento-btn-primary{display:inline-block;margin-top:.75rem;padding:.65rem 1.3rem;border-radius:12px;color:#fff;text-decoration:none;font-weight:700}

@media(max-width:900px){
  .bento-header{overflow:visible}
.menu-toggle{display:flex;order:2;margin-left:auto}
  .bento-header-inner{position:relative}
  .bento-nav{
    display:none;order:3;
    position:absolute;top:100%;left:0;right:0;
    width:100%;max-height:min(75vh,520px);overflow-y:auto;
    flex-direction:column;align-items:stretch;
    padding:.85rem 1rem 1.1rem;margin:0;
    background:var(--soft,#fff);
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 36px rgba(0,0,0,.12);
    transform:none;z-index:120;
  }
  .bento-nav.open{display:flex}
  .nav-overlay.show{display:block}
.bento-grid{
    grid-template-columns:1fr;
    grid-template-areas:"brand" "visual" "note1" "note2";
  }
  .bento-tiles{grid-template-columns:repeat(2,1fr)}
  .bento-prose .bento-tiles,.bento-media,.bento-gallery,.bento-price{grid-template-columns:1fr}
  .bento-footer-grid{flex-direction:column}
}
@media(max-width:520px){
  .bento-tiles{grid-template-columns:1fr}
}