.basic-product-page{
  --basic-ground:#F1F1ED;
  --basic-ground-deep:#E8E8E3;
  --basic-ink:#15181A;
  --basic-ink-soft:#6C7073;
  --basic-ink-faint:#96999A;
  --basic-rule:#D5D5CF;
  --basic-rule-strong:#B9B9B2;
  --basic-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  min-height:70vh;
  background:var(--basic-ground);
  color:var(--basic-ink);
  font-family:var(--basic-sans);
  font-size:15.5px;
  line-height:2.05;
}
.basic-product-page p{margin:0}
.basic-product-page section{padding:0}
.basic-shell{max-width:1120px;margin:0 auto;padding:0 clamp(20px,5vw,56px)}
.basic-crumb{padding-top:34px;color:var(--basic-ink-faint);font-size:11.5px;letter-spacing:.16em}
.basic-crumb a:hover{color:var(--basic-ink-soft)}
.basic-crumb span{margin:0 .5em}
.basic-sheet{display:grid;grid-template-columns:minmax(0,52fr) minmax(0,48fr);gap:clamp(28px,4vw,56px);align-items:start;padding:38px 0 90px}
.basic-viewer{position:sticky;top:108px}
.basic-frame{overflow:hidden;aspect-ratio:3/2;border:1px solid var(--basic-rule);background:#FFFFFF}
.basic-frame img{display:block;width:100%;height:100%;object-fit:cover}
.basic-gallery-thumbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:58%;gap:12px;margin-top:14px}
.basic-gallery-thumb{min-width:0;padding:0 0 7px;border:0;border-bottom:1px solid transparent;background:transparent;cursor:pointer}
.basic-gallery-thumb.is-active{border-bottom-color:var(--basic-ink-soft)}
.basic-gallery-thumb img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.basic-gallery-thumb:focus-visible{outline:1px solid var(--basic-ink-soft);outline-offset:3px}
.basic-code{margin-top:-6px;font-family:var(--basic-sans);font-size:clamp(40px,5.2vw,58px);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.05em;line-height:1.05}
.basic-eyebrow{margin-top:18px;color:var(--basic-ink-soft);font-size:12px;letter-spacing:.24em}
.basic-block{margin-top:42px}
.basic-block-label{padding-bottom:12px;border-bottom:1px solid var(--basic-rule-strong);color:var(--basic-ink-faint);font-size:11px;letter-spacing:.26em}
.basic-specs{list-style:none}
.basic-specs li{display:grid;grid-template-columns:5.6em 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--basic-rule);font-size:14.5px;line-height:1.7}
.basic-spec-label{padding-top:2px;color:var(--basic-ink-soft);font-size:12.5px;letter-spacing:.12em}
.basic-spec-value{font-variant-numeric:tabular-nums}
.basic-note{margin-top:14px!important;font-size:14.5px;line-height:1.9}
.basic-note+.basic-note{color:var(--basic-ink-soft);font-size:14px}
.basic-details{border-bottom:1px solid var(--basic-rule)}
.basic-details summary{display:flex;justify-content:space-between;padding:16px 0;color:var(--basic-ink-soft);cursor:pointer;font-size:12.5px;letter-spacing:.16em;list-style:none}
.basic-details summary::-webkit-details-marker{display:none}
.basic-details summary::after{content:"＋";color:var(--basic-ink-faint);font-size:12px}
.basic-details[open] summary::after{content:"－"}
.basic-details-body{max-width:36em;padding-bottom:22px;color:var(--basic-ink-soft);font-size:13.8px;line-height:1.95}
.basic-details-body p+p{margin-top:.9em}
.basic-enquire{margin-top:50px;padding-top:30px!important;border-top:1px solid var(--basic-rule-strong)}
.basic-enquire-title{font-family:var(--serif);font-size:23px;letter-spacing:.08em}
.basic-enquire-lines{margin-top:18px;font-size:14.5px;line-height:2.1;font-variant-numeric:tabular-nums}
.basic-enquire-lines a{padding-bottom:1px;border-bottom:1px solid var(--basic-rule-strong)}
.basic-enquire-lines a:hover{border-bottom-color:var(--basic-ink)}
.basic-adjacent{display:flex;justify-content:space-between;gap:24px;padding:26px 0;border-top:1px solid var(--basic-rule);color:var(--basic-ink-soft);font-size:13.5px;letter-spacing:.08em}
.basic-adjacent a:hover{color:var(--basic-ink)}

.basic-series-page{min-height:70vh}
.basic-series-intro{max-width:720px;margin:18px auto 0;color:var(--ink-soft)}
.basic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;padding:54px 0 76px}
.basic-card{display:flex;flex-direction:column;border:1px solid var(--line-soft);background:var(--paper-soft)}
.basic-card-image{overflow:hidden;aspect-ratio:3/2;background:#FFFFFF}
.basic-card-image img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .9s ease}
.basic-card:hover .basic-card-image img{transform:scale(1.04)}
.basic-card-body{padding:22px 22px 25px}
.basic-card-series{display:block;margin-bottom:12px;color:var(--ink-soft);font-family:var(--west);font-size:.76rem;letter-spacing:.1em}
.basic-card h3{margin:0;font-family:var(--west);font-size:1.22rem;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.basic-card p{margin:10px 0 0;color:var(--ink-soft);font-size:.84rem;line-height:1.75}
.basic-card-more{display:inline-block;margin-top:17px;padding-bottom:3px;border-bottom:1px solid var(--ink);font-family:var(--west);font-size:.76rem;letter-spacing:.12em}

@media (max-width:960px){.basic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}}
@media (max-width:820px){
  .basic-product-page{font-size:15px;line-height:1.95}
  .basic-sheet{grid-template-columns:1fr;gap:34px;padding:26px 0 60px}
  .basic-viewer{position:static}
  .basic-code{margin-top:0;font-size:clamp(34px,9.5vw,46px)}
  .basic-specs li{grid-template-columns:5em 1fr;gap:12px}
}
@media (max-width:600px){
  .basic-shell{padding:0 22px}
  .basic-crumb{padding-top:24px}
  .basic-adjacent{flex-direction:column}
  .basic-gallery-thumbs{width:100%;gap:8px;margin-top:10px}
  .basic-grid{grid-template-columns:1fr;gap:30px}
}
@media (prefers-reduced-motion:reduce){.basic-card-image img{transition:none!important}}