:root{color-scheme:light;--paper:#f4f1e8;--card:#fffdf7;--ink:#14231f;--muted:#4e5c57;--line:#dcd6c9;--green:#2d6658}
.input-row>.small{width:auto}
*{box-sizing:border-box}body{margin:0;background:#e9e5dc;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:17px;line-height:1.5}button,input,textarea,select{font:inherit;color:inherit}
.shell{max-width:480px;min-height:100dvh;margin:0 auto;background:var(--paper);box-shadow:0 0 50px #14231f0a;display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:80px;padding:12px 20px}h1,h2,p{margin:0}h1{font-size:24px;line-height:1.3}h2{font-size:18px}main{padding:4px 20px 106px;display:flex;flex-direction:column;gap:18px;flex:1;min-width:0}.demo{text-align:center;background:#e7efe9;color:var(--green);font-size:12px;padding:5px 8px}.badge{padding:4px 12px;border-radius:999px;background:#e7efe9;color:var(--green);font-size:14px;white-space:nowrap}.muted,.hint,.eyebrow{color:var(--muted)}.hint{font-size:14px;line-height:1.6}.eyebrow{font-size:14px;font-weight:500;margin-bottom:4px}.stack{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}label,legend{font-size:15px;font-weight:500}.input-row{display:flex;gap:8px;align-items:center;min-width:0}.input-row>*{min-width:0;flex:1}.input-row>.small{flex:0 0 auto}input:not([type=checkbox],[type=radio]),select{width:100%;height:52px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--card)}textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);resize:vertical;overflow-wrap:anywhere;word-break:break-all}input:focus-visible,textarea:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #5b927f;outline-offset:3px}.mono,.code,.secret{font-family:Consolas,"SFMono-Regular",monospace;overflow-wrap:anywhere;word-break:break-all}.code{font-size:13px;line-height:1.6}.secret{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;font-size:17px}
button,.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;min-height:52px;padding:10px 14px;border:1.5px solid var(--ink);border-radius:14px;background:var(--card);font-weight:500;cursor:pointer;text-align:center;text-decoration:none;color:var(--ink);line-height:1.5}button:hover,.button:hover{filter:brightness(.97)}button:disabled{opacity:.65;cursor:wait}.primary{min-height:56px;background:var(--ink);color:#fff;border-color:var(--ink);font-size:18px;font-weight:700}.small{min-height:44px;padding:8px 12px;font-size:15px;border-radius:10px}.dashed{border-style:dashed;background:transparent;margin-top:12px}.back{min-height:44px;display:flex;align-items:center;text-decoration:none}a{color:var(--green)}.card{padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--card);display:flex;flex-direction:column;gap:12px;min-width:0}.notice,.warning{padding:16px;border-radius:16px;font-size:15px;display:flex;flex-direction:column;gap:10px}.notice{background:#eef3ef;border:1px solid #cfdcd4}.warning{background:#fbece6;border:1px solid #ecc5b8}.danger,.warning h2{color:#a3302a}.list-row{display:flex;justify-content:space-between;align-items:baseline;gap:10px;min-width:0}.list-row code{font-size:14px}.ruled{min-height:52px;align-items:center;border-bottom:1px solid var(--line)}.ruled a{font-size:15px}.device{padding:12px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}.record{padding:16px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px}.record a{font-size:14px;min-height:44px;display:flex;align-items:center}dl{margin:0;display:grid;grid-template-columns:84px minmax(0,1fr);gap:8px 12px;font-size:15px}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}fieldset{padding:0;margin:0;border:0}legend{margin-bottom:6px}.segments{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:14px;background:var(--card)}.segments label{flex:1;position:relative}.segments span{min-height:48px;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:16px}.segments input{position:absolute;opacity:0}.segments input:checked+span{background:var(--ink);color:#fff;font-weight:700}.segments input:focus-visible+span{outline:3px solid #5b927f}.check{display:flex;align-items:center;gap:10px;min-height:44px;font-size:15px}.check input{width:22px;height:22px;accent-color:var(--ink);flex-shrink:0}nav{position:fixed;bottom:0;width:min(100%,480px);display:flex;border-top:1px solid var(--line);background:var(--card);padding-bottom:max(8px,env(safe-area-inset-bottom));z-index:10}nav a{flex:1;min-height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);text-decoration:none;font-size:13px}nav a[aria-current=page]{color:var(--ink);font-weight:700}nav svg{width:24px;height:24px}.auth-page{padding:58px 24px 32px;gap:22px}.auth-page h1{font-size:28px}.stamp{height:72px;width:72px;border:1px solid var(--line);border-radius:17px;display:flex;align-items:center;justify-content:center;color:#c8322a;font-family:serif;font-size:43px;font-weight:700;outline:3px solid #c8322a;outline-offset:-14px}.otp{font-size:26px;letter-spacing:.12em;text-align:center;font-family:Consolas,monospace}.qr{width:232px;height:232px;align-self:center;max-width:100%;background:white}.success{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:16px 0}.success-mark{width:64px;height:64px;display:grid;place-items:center;border-radius:50%;background:#e7efe9;color:var(--green);font-size:32px}.success p{color:var(--muted);font-size:15px}.empty{padding:48px 12px;text-align:center;color:var(--muted);display:grid;gap:12px}.result-link{text-decoration:none;color:var(--ink)}summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:500}summary::after{content:"＋";margin-left:auto}details[open]>summary::after{content:"−"}details form{margin-top:14px}.center{text-align:center}.feedback:empty{display:none}.feedback{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);padding:10px 18px;background:var(--ink);color:white;border-radius:12px;font-size:15px;z-index:20}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);padding:0;border:0}.perpetual-fields[hidden]{display:none}@media(max-width:359px){main{padding-left:16px;padding-right:16px}header{padding-left:16px;padding-right:16px}.segments span{font-size:14px}.badge{font-size:12px;padding:4px 8px}}@media(prefers-reduced-motion:no-preference){button,.button{transition:filter .15s}}