/* 配色取自 Rosé Pine Dawn（github.com/rose-pine，MIT），字体为霞鹜文楷 Lite（github.com/lxgw，OFL-1.1） */
@font-face{font-family:WenKai;src:url(fonts/wenkai-regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:WenKai;src:url(fonts/wenkai-medium.woff2) format("woff2");font-weight:600;font-display:swap}
:root{--base:#faf4ed;--surface:#fffaf3;--overlay:#f2e9e1;--line:#e9dfd6;--text:#4f4a6e;--subtle:#6e6a86;--love:#a8566e;--rose:#d7827e;--gold:#ea9d34;--foam:#56949f;color-scheme:light}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
body{margin:0;background:var(--base);color:var(--text);font:400 16px/1.7 WenKai,"PingFang SC","Microsoft YaHei",serif}
main{max-width:600px;margin:0 auto;padding:16px 16px calc(16px + env(safe-area-inset-bottom))}
h1{margin:0 0 8px;font-size:28px;font-weight:600;line-height:1.3}
h2{margin:0 0 2px;font-size:21px;font-weight:600}
h3{margin:0 0 8px;font-size:18px;font-weight:600}
h4{margin:0 0 4px;font-size:16px;font-weight:600;color:var(--love)}
p{margin:0}
.muted{color:var(--subtle);font-size:14px;margin-bottom:12px}

.hero{text-align:center;padding:36px 8px 24px}
.hero p{color:var(--subtle);text-wrap:balance}
.mark{width:88px;height:88px;margin-bottom:12px}
.actions{display:flex;flex-direction:column;gap:10px;align-items:stretch;max-width:320px;margin:0 auto 16px}
.btn{display:block;text-align:center;padding:13px 20px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-weight:600;cursor:pointer;transition:transform .12s}
.btn:active{transform:scale(.97)}
.btn:focus-visible,.chip:focus-visible,.shutter:focus-visible,.round:focus-visible{outline:2px solid var(--love);outline-offset:2px}
.btn.primary{background:var(--love);border-color:var(--love);color:#fff;box-shadow:0 6px 16px rgba(168,86,110,.25)}
.status{max-width:340px;margin:0 auto 16px;padding:13px 16px;border-radius:16px;background:#f6dde0;border:2px solid var(--love);color:#8c3a52;font-size:18px;font-weight:600;text-align:center}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}
@media (prefers-reduced-motion:reduce){.shake{animation:none}}
.home-link{display:inline-block;color:var(--subtle);font-size:15px;text-decoration:none;padding:4px 0}
.btn{text-decoration:none}
.tips{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tips li{background:var(--surface);border-radius:16px;padding:12px 8px;text-align:center;font-size:13px;color:var(--subtle);line-height:1.5}
.tips b{display:block;font-size:15px;font-weight:600;color:var(--text)}
.promise{text-align:center;font-size:13px;color:var(--subtle);margin-top:16px}

.camera{position:fixed;inset:0;z-index:10;background:#2a2733;overflow:hidden}
.camera video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.guide{position:absolute;inset:0;width:100%;height:100%}
.guide ellipse{fill:none;stroke:#fffaf3;stroke-width:.7;stroke-dasharray:2 1.6;transition:stroke .2s}
.guide.ok ellipse{stroke:#9ed8b4;stroke-width:1;stroke-dasharray:none}
.hint.alert{background:var(--love);color:#fff;font-size:19px;padding:8px 22px;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.no-face{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);margin:0;width:min(84vw,340px);padding:22px 18px;border-radius:20px;background:var(--love);color:#fff;font-size:23px;font-weight:600;line-height:1.4;text-align:center;box-shadow:0 10px 32px rgba(0,0,0,.45)}
.no-face b{display:block;width:44px;height:44px;line-height:44px;margin:0 auto 8px;border-radius:50%;background:#fff;color:var(--love);font-size:28px}
.hint{position:absolute;left:50%;top:calc(24px + env(safe-area-inset-top));transform:translateX(-50%);background:rgba(250,244,237,.92);color:var(--text);padding:6px 18px;border-radius:999px;white-space:nowrap;font-weight:600}
.cam-bar{position:absolute;left:0;right:0;bottom:calc(24px + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-around}
.round{width:48px;height:48px;border-radius:50%;border:0;background:rgba(250,244,237,.25);color:#fff;font-size:18px;cursor:pointer}
.round.ghost{visibility:hidden}
.shutter{width:76px;height:76px;border-radius:50%;border:5px solid #fffaf3;background:rgba(255,250,243,.35);cursor:pointer;transition:transform .12s}
.shutter:active{transform:scale(.9)}
.guide.ok~.cam-bar .shutter{background:#fffaf3}

.scan-box{position:relative;max-width:340px;margin:32px auto 16px;border-radius:24px;overflow:hidden}
.scan-box canvas{display:block;width:100%;height:auto}
.beam{position:absolute;left:0;right:0;top:0;height:30%;background:linear-gradient(transparent,rgba(215,130,126,.45));animation:beam 1.6s ease-in-out infinite alternate}
@keyframes beam{to{transform:translateY(240%)}}
@media (prefers-reduced-motion:reduce){.beam{animation:none}}
.scan-text{text-align:center;color:var(--subtle)}

.card{background:var(--surface);border-radius:20px;padding:18px;margin-bottom:12px;box-shadow:0 2px 10px rgba(87,82,121,.06)}
.total{display:flex;gap:16px;align-items:center}
.ring{width:108px;height:108px;flex:none}
.ring text{font-family:WenKai,serif;font-weight:600}
.warn{background:#f9ecd2;color:#7a5209;border-radius:14px;padding:10px 14px;font-size:14px;margin-bottom:12px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.plain{list-style:none;margin:0;padding:0}
.plain li{display:flex;justify-content:space-between;gap:8px;font-size:15px}
.plain span{color:var(--subtle)}
.view{position:relative;max-width:380px;margin:0 auto;border-radius:16px;overflow:hidden}
.view canvas{display:block;width:100%;height:auto}
.view #overlay{position:absolute;inset:0;height:100%;pointer-events:none}
.lights{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;background:var(--overlay);border-radius:14px;padding:4px;margin-bottom:12px}
.light{border:0;border-radius:11px;background:none;color:var(--text);font:inherit;font-size:15px;padding:6px 2px;cursor:pointer}
.light.on{background:var(--surface);color:var(--love);font-weight:600;box-shadow:0 1px 4px rgba(87,82,121,.15)}
.light-note{text-align:center;color:var(--subtle);font-size:14px;margin-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;justify-content:center}
.chip{padding:5px 13px;border-radius:999px;border:1.5px solid var(--line);background:none;color:var(--text);font:inherit;font-size:14px;cursor:pointer}
.chip.on{background:var(--love);border-color:var(--love);color:#fff}
.radar{max-width:400px;margin:0 auto}
.radar svg{display:block;width:100%;height:auto}
.radar text{font-family:WenKai,serif}
.item{border-top:1.5px dashed var(--line);padding:12px 0}
.item:first-child{border-top:0;padding-top:4px}
.item-h{display:flex;align-items:center;gap:8px}
.item-h b{flex:1;font-weight:600;font-size:17px}
.item-h span{font-size:15px}
.badge{border-radius:8px;padding:0 8px;font-size:13px!important;font-weight:600}
.bar{height:7px;background:var(--overlay);border-radius:4px;margin:6px 0;overflow:hidden}
.bar i{display:block;height:100%;border-radius:4px}
.item p{color:var(--subtle);font-size:15px}
.item .tip{color:var(--text)}
.routine{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.routine ol{margin:0;padding-left:20px;font-size:15px}
.products{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.prod{background:var(--base);border-radius:14px;padding:12px}
.prod b{display:block;font-weight:600;font-size:15px;line-height:1.4}
.prod small{display:block;color:var(--subtle);font-size:13px;line-height:1.5;margin-top:2px}
.prod .pr{color:var(--love);font-weight:600;margin-top:4px}
.note{color:var(--subtle);font-size:13px;margin-top:10px}
footer{text-align:center;color:var(--subtle);font-size:13px;padding:12px 0 16px}
@media (max-width:420px){.products,.routine{grid-template-columns:1fr}.total{gap:12px}.ring{width:92px;height:92px}}