:root{
  --bg:#f4f6f9;--card:#fff;--ink:#1e2733;--mute:#5a6675;--line:#dde3eb;
  --teal:#1d4e89;--teal-d:#163a66;--chip:#e3eaf3;--price:#b73a27;--sand:#e8eef6;
  --r:12px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.65 var(--font);letter-spacing:.01em}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:12px;top:-60px;background:var(--teal);color:#fff;padding:8px 14px;border-radius:8px;z-index:50}
.skip:focus{top:10px}
.wrap{width:min(1240px,100% - 32px);margin-inline:auto}

.notice{background:var(--teal-d);color:#e6eef8;font-size:13px;text-align:center;padding:7px 12px}
.site-head{background:var(--bg);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;touch-action:manipulation}
.brand svg,.brand span{pointer-events:none}
.brand svg{width:36px;height:36px;flex:none}
.brand b{font-size:21px;font-weight:700;letter-spacing:.08em;line-height:1.1;display:block}
.brand small{font-size:12px;color:var(--mute);letter-spacing:.14em;display:block}
.head-note{font-size:13px;color:var(--mute);display:none}

.hero{padding:22px 0 8px}
.hero .wrap{display:grid;gap:14px}
.hero-card{background:var(--sand);border-radius:18px;padding:26px 22px;position:relative;overflow:hidden}
.hero-card h1{margin:0 0 8px;font-size:27px;line-height:1.3;font-weight:700;letter-spacing:.04em}
.hero-card p{margin:0;color:#4d544f;max-width:14.5em;position:relative}
.hero-card svg{position:absolute;right:-14px;bottom:-22px;width:116px;height:116px}
.perks{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0;padding:0;list-style:none}
.perks li{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px 8px;text-align:center;font-size:13px;line-height:1.4}
.perks b{display:block;font-size:14px;color:var(--teal)}

.chips{position:sticky;top:0;z-index:20;background:rgba(244,246,249,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);margin-top:14px}
.chips ul{display:flex;gap:8px;margin:0 auto;padding:10px 0;list-style:none;overflow-x:auto;scrollbar-width:none}
.chips ul::-webkit-scrollbar{display:none}
.chip{display:block;white-space:nowrap;padding:7px 16px;border-radius:999px;background:var(--chip);font-size:14px;color:var(--teal-d);border:1px solid transparent}
.chip:hover{background:#d3deec}
.chip[aria-current="true"]{background:var(--teal);color:#fff}

.cat{padding:30px 0 6px}
.cat-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}
.cat-head h2{margin:0;font-size:21px;letter-spacing:.06em}
.cat-head p{margin:0;color:var(--mute);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:0;padding:0;list-style:none}
.card{display:flex;flex-direction:column;height:100%;background:var(--card);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 10px 24px -14px rgba(22,58,102,.45);transform:translateY(-2px)}
.card .ph{aspect-ratio:1/1;background:#e8edf3;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover}
.card .tx{padding:10px 12px 14px;display:flex;flex-direction:column;flex:1}
.card h3{margin:0;font-size:15px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card .ds{margin:2px 0 8px;font-size:12.5px;color:var(--mute);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3em}
.price{margin-top:auto;color:var(--price);font-weight:700;font-size:18px;font-variant-numeric:tabular-nums;letter-spacing:0}
.price i{font-style:normal;font-size:12px;font-weight:600;margin-right:1px}

.foot{margin-top:56px;background:#e8edf3;border-top:1px solid var(--line);padding:34px 0 28px}
.foot .wrap{display:grid;gap:22px}
.foot h2{margin:0 0 6px;font-size:15px;letter-spacing:.08em}
.foot p{margin:0;color:#465262;font-size:13.5px;line-height:1.75}
.copy{margin-top:6px;font-size:12.5px;color:var(--mute)}

/* item page */
.crumbs{font-size:13px;color:var(--mute);padding:16px 0 10px}
.crumbs a:hover{color:var(--teal);text-decoration:underline}
.detail{display:grid;gap:20px;padding-bottom:12px}
.gallery{background:#e8edf3;border-radius:18px;overflow:hidden;aspect-ratio:1/1}
.gallery img{width:100%;height:100%;object-fit:cover}
.info h1{margin:0 0 6px;font-size:25px;line-height:1.35;letter-spacing:.03em}
.info .lead{margin:0 0 14px;color:var(--mute)}
.info .price{font-size:30px;margin:0 0 16px;display:block}
.info .price i{font-size:17px}
.specs{margin:0 0 18px;padding:0;list-style:none;border-top:1px solid var(--line)}
.specs li{display:flex;gap:16px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.specs span{color:var(--mute);width:4.5em;flex:none}
.btn{appearance:none;border:0;cursor:pointer;font:600 16px/1 var(--font);letter-spacing:.1em;background:var(--teal);color:#fff;padding:16px 28px;border-radius:999px;width:100%;transition:background .15s,transform .1s}
.btn:hover{background:var(--teal-d)}
.btn:active{transform:scale(.98)}
.service{margin:14px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--mute)}
.like{padding:34px 0 0}
.like h2{margin:0 0 14px;font-size:20px;letter-spacing:.06em}
.row{display:flex;gap:12px;margin:0;padding:0 0 8px;list-style:none;overflow-x:auto;scroll-snap-type:x proximity}
.row>li{flex:0 0 150px;scroll-snap-align:start}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,24px);background:var(--ink);color:#fff;padding:12px 22px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60;white-space:nowrap}
.toast.on{opacity:1;transform:translate(-50%,0)}
.nojs{padding:40px 0;color:var(--mute);margin:0}
.nojs:empty{display:none}

@media (min-width:640px){
  body{font-size:16px}
  .head-note{display:block}
  .hero-card{padding:40px 44px}
  .hero-card h1{font-size:36px}
  .hero-card p{max-width:26em}
  .hero-card svg{width:230px;height:230px;right:20px;bottom:-40px}
  .grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .row>li{flex-basis:190px}
  .foot .wrap{grid-template-columns:repeat(3,1fr);gap:36px}
}
@media (min-width:1000px){
  .wrap{width:min(1240px,100% - 64px)}
  .grid{grid-template-columns:repeat(5,1fr);gap:20px}
  .hero .wrap{grid-template-columns:2fr 1fr;align-items:stretch}
  .perks{grid-template-columns:1fr;align-content:stretch}
  .perks li{display:flex;flex-direction:column;justify-content:center}
  .hero-card h1{font-size:42px}
  .detail{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:56px;align-items:start;padding-top:8px}
  .info h1{font-size:32px}
  .btn{width:auto;min-width:260px}
  .row>li{flex-basis:calc((100% - 4*16px)/5)}
  .row{gap:16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}