:root{--bg:#f6f7f4;--card:#fff;--ink:#17201c;--mute:#5b6a63;--line:#dfe5df;--brand:#c8102e;--brand-d:#9d0c24;--ok:#13795b;--warn:#a65a00;--accent:#0f3d33;--r:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI","PingFang SC","PingFang TC","Hiragino Sans","Noto Sans CJK SC","Microsoft YaHei","Microsoft JhengHei",sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand-d)}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
header.top{background:var(--accent);color:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:700}
.logo i{width:22px;height:22px;border-radius:50%;background:var(--brand);display:inline-block;box-shadow:0 0 0 3px #fff3}
nav.lang{display:flex;gap:4px;flex-wrap:wrap}
nav.lang a{color:#d7e6e0;text-decoration:none;font-size:14px;padding:4px 10px;border-radius:99px;border:1px solid #ffffff33}
nav.lang a[aria-current=page]{background:#fff;color:var(--accent);font-weight:700}
.hero{padding:26px 0 8px}
.pill{display:inline-block;background:#fde8eb;color:var(--brand-d);font-size:13px;font-weight:700;padding:3px 12px;border-radius:99px}
h1{font-size:clamp(26px,6vw,38px);line-height:1.2;margin:12px 0 8px;letter-spacing:-.01em}
.lead{color:var(--mute);margin:0 0 8px;font-size:17px}
h2{font-size:22px;margin:36px 0 12px;line-height:1.3}
h3{margin:0;font-size:17px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:12px 0}
.hint{color:var(--mute);font-size:13.5px;margin:6px 0 10px}.hint.warn{color:var(--warn)}
.grid{display:grid;gap:12px}
.rates{grid-template-columns:repeat(3,1fr)}
.f{display:flex;flex-direction:column;gap:3px;font-size:13px;color:var(--mute);min-width:0}
input,select{font:inherit;color:var(--ink);background:#fff;border:1px solid #c9d2cb;border-radius:10px;padding:10px;width:100%;min-height:44px}
input:focus,select:focus,button:focus-visible{outline:3px solid #0f3d3344;border-color:var(--accent)}
.store-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.item{display:grid;grid-template-columns:1fr 1fr 70px;gap:8px;padding:12px 0;border-top:1px dashed var(--line);position:relative}
.item .f-name{grid-column:1/-1}
.item .f-price{grid-column:1/3}
.item .f-qty{grid-column:3}
.item .f-rate,.item .f-mode{grid-column:auto}
.item .icon{position:absolute;right:0;top:6px}
.item .f-name{padding-right:40px}
.item .f-rate{grid-column:1}.item .f-mode{grid-column:2/4}
.icon{width:32px;height:32px;border:0;border-radius:50%;background:#eef1ee;color:var(--mute);font-size:20px;line-height:1;cursor:pointer}
.btn{font:inherit;min-height:46px;padding:0 18px;border-radius:12px;border:0;background:var(--brand);color:#fff;font-weight:700;cursor:pointer;width:100%}
.btn.ghost{background:#fff;color:var(--accent);border:1.5px solid var(--accent);margin-top:6px}
.btn:active{transform:translateY(1px)}
.link{background:none;border:0;color:var(--mute);text-decoration:underline;cursor:pointer;font:inherit;font-size:13px}.link.danger{color:var(--brand-d)}
.store-out{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
.badge-elig{display:inline-block;font-size:13px;font-weight:700;padding:2px 10px;border-radius:99px;margin-bottom:6px}
.badge-elig.ok{background:#e0f3ec;color:var(--ok)}.badge-elig.no{background:#fff1de;color:var(--warn)}
.r{display:flex;justify-content:space-between;gap:12px;padding:3px 0}.r span{color:var(--mute)}
.summary{background:var(--accent);color:#fff;border-radius:var(--r);padding:18px;margin:14px 0}
.summary .r span{color:#bcd3cb}
.big{display:block;font-size:clamp(34px,10vw,48px);font-weight:800;line-height:1.1;margin:6px 0 2px;font-variant-numeric:tabular-nums}
.alt{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.alt div{background:#ffffff14;border-radius:10px;padding:8px;text-align:center;font-size:13px;color:#bcd3cb}
.alt b{display:block;color:#fff;font-size:15px;font-variant-numeric:tabular-nums}
.tiny{font-size:12.5px;color:#a8c3ba;margin:8px 0 0}
.actions{display:flex;gap:10px;margin-top:6px}
ol.steps{list-style:none;counter-reset:s;padding:0;margin:0}
ol.steps li{counter-increment:s;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px 12px 54px;margin:8px 0}
ol.steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:grid;place-items:center}
ol.steps b{display:block}
ol.steps span{color:var(--mute);font-size:15px}
ul.rules{padding-left:20px}ul.rules li{margin:6px 0}
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:8px 0;padding:0 14px}
summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--mute)}
details[open] summary::after{content:"−"}
details p{margin:0 0 14px;color:#33413a}
.disc{border-left:4px solid var(--brand);background:#fff;border-radius:8px;padding:12px 16px}
footer{margin:40px 0 0;padding:24px 0 40px;color:var(--mute);font-size:14px;border-top:1px solid var(--line)}
.langs-home{display:grid;gap:12px;margin:24px 0}
.langs-home a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;font-size:20px;font-weight:700;color:var(--accent)}
.langs-home small{display:block;font-weight:400;color:var(--mute);font-size:14px;margin-top:4px}
@media(min-width:640px){
 .item{grid-template-columns:2fr 1.2fr 70px 90px 120px 36px;align-items:end}
 .item .f-name,.item .f-price,.item .f-qty,.item .f-rate,.item .f-mode{grid-column:auto;padding-right:0}
 .item .icon{position:static;margin-bottom:6px}
 .btn{width:auto}.actions .btn{width:auto}
 .langs-home{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}