:root{
  --primary:#b1281f;
  --secondary:#1a1a1a;
  --accent:#8b7c4a;
  --ink:#0a0a0a;
  --bg:#f4ede0;
  --fg:#1a1a1a;
  --fg-muted:#5b5749;
  --surface:#fffdf6;
  --surface-alt:#ece4d2;
}
/* tokyo-ink — Tokyo Ink 东京水墨 / 米纸 + 墨黑 + 朱红印章 */
*{box-sizing:border-box;}
body{background:#f4ede0;color:#1a1a1a;font-family:"Noto Sans JP","Inter","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased;}
::selection{background:#b1281f;color:#fff;}
::-webkit-scrollbar{width:11px;}
::-webkit-scrollbar-track{background:#ece4d2;}
::-webkit-scrollbar-thumb{background:#b1281f;border-radius:0;}

.fill-primary{background:#b1281f;color:#fff;}
.fill-secondary{background:#1a1a1a;color:#fff;}
.fill-accent{background:#8b7c4a;color:#0a0a0a;}
.fill-ink{background:#0a0a0a;color:#f4ede0;}
.fill-surface{background:#fffdf6;color:#1a1a1a;}
.fill-surface-alt{background:#ece4d2;color:#1a1a1a;}
.t-primary{color:#b1281f;}
.t-secondary{color:#1a1a1a;}
.t-accent{color:#8b7c4a;}
.t-muted{color:#5b5749;}
.grad{background:linear-gradient(135deg,#1a1a1a,#5b5749);color:#fff;}
.t-grad{background:linear-gradient(135deg,#1a1a1a,#5b5749);-webkit-background-clip:text;background-clip:text;color:transparent;}

.headline{font-family:"Shippori Mincho","Source Han Serif","Songti SC",serif;font-weight:800;letter-spacing:-.01em;line-height:1.08;}
.tag{font-weight:800;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;}
.chip{display:inline-flex;align-items:center;gap:.4rem;font-weight:700;font-size:.78rem;padding:.4rem .9rem;border-radius:9999px;background:#ece4d2;color:#b1281f;}

.card{background:#fffdf6;border:1px solid #0a0a0a1f;border-radius:0;transition:transform .25s ease,box-shadow .25s ease;}
.card:hover,.card.video-card:hover{box-shadow:0 0 0 1px #0a0a0a33;}
.card-soft{background:#ece4d2;border-radius:0;}
.card-glass{background:#fffdf6;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.12);border-radius:0;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:800;letter-spacing:.02em;padding:.85rem 1.85rem;background:#b1281f;color:#fff;border:1px solid #0a0a0a26;border-radius:0;transition:transform .2s ease,box-shadow .2s ease;}
.btn:hover{}
.btn-2{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:800;letter-spacing:.02em;padding:.85rem 1.85rem;background:transparent;color:#b1281f;border:1px solid #0a0a0a;border:2px solid #b1281f;border-radius:0;transition:.2s;}
.btn-2:hover{background:#b1281f;color:#fff;}
.btn-ink{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:800;padding:.85rem 1.85rem;background:#0a0a0a;color:#f4ede0;border-radius:0;transition:.2s;}
.btn-ink:hover{background:#1a1a1a;}

.cat-tab{font-weight:700;background:#ece4d2;color:#5b5749;border-radius:0;border:1px solid #0a0a0a1a;transition:.15s;}
.cat-tab:hover{color:#b1281f;}
.cat-tab.active{background:#b1281f;color:#fff;border-color:#b1281f;}

.nav-link{font-weight:700;color:#1a1a1a;padding:.4rem .6rem;border-radius:0;transition:.18s;}
.nav-link:hover{color:#b1281f;}
.nav-link.active{color:#b1281f;}

.nav{display:flex;}
@media(max-width:1023px){
  .nav{position:fixed;top:0;right:0;bottom:0;width:80%;max-width:320px;flex-direction:column;align-items:stretch;gap:.6rem;background:#fffdf6;border-left:1px solid #0a0a0a33;padding:6rem 1.5rem 2rem;transform:translateX(101%);transition:transform .22s ease;z-index:60;overflow-y:auto;}
  .nav.active{transform:translateX(0);}
  .menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;transition:opacity .2s;z-index:55;}
  .menu-overlay.active{opacity:1;visibility:visible;}
  body.menu-open{overflow:hidden;}
  .nav-link{background:#ece4d2;padding:.7rem 1rem;}
}

.faq-answer{max-height:0;overflow:hidden;opacity:0;transition:max-height .3s ease,opacity .3s ease;}
.faq-item.active .faq-icon{transform:rotate(45deg);}
.faq-icon{transition:transform .2s ease;}

.back-to-top{opacity:0;visibility:hidden;transition:opacity .25s,transform .25s;}
.back-to-top.visible{opacity:1;visibility:visible;}

@media print{header,footer,.no-print{display:none;}}