:root{color-scheme:light;--blue:#16446d;--ink:#193147;--muted:#536b80;--paper:#f2f6fa;--line:#d5e1eb;--sky:#dcecf7;font-family:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}button:focus-visible,a:focus-visible,label:focus-within,input:focus-visible,textarea:focus-visible{outline:3px solid #427baf;outline-offset:5px}button{border:0}button,a{-webkit-tap-highlight-color:transparent}button:active{transform:translateY(1px)}[hidden]{display:none!important}.app{max-width:620px;margin:0 auto;min-height:100svh;padding:calc(22px + env(safe-area-inset-top)) 28px calc(20px + env(safe-area-inset-bottom));display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;color:var(--blue);font-size:22px;font-weight:700;text-decoration:none}.brand img{border-radius:10px}.personal{font-size:12px;color:var(--muted)}.session{display:flex;align-items:flex-start;gap:10px;margin-top:36px;padding-bottom:22px;border-bottom:1px solid var(--line)}.dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:#899aa8;margin-top:7px}.dot.ready{background:#238668}.dot.busy{background:#cc9a30;animation:pulse 1.6s ease-in-out infinite}.dot.error{background:#bc6542}.session strong{font-size:15px;font-weight:600}.session span#detail{display:block;font-size:12px;line-height:1.7;color:var(--muted);margin-top:5px}.welcome{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:390px;padding:38px 0}.scan-area{display:grid;place-items:center}.scan-button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--blue);color:white;width:240px;height:240px;border-radius:42px;box-shadow:0 12px 0 #d7e3ee;transition:background .2s}.scan-button:hover:enabled{background:#205780}.scan-button:disabled{opacity:.7}.corners{display:block;width:88px;height:88px;background:linear-gradient(white,white) left top/20px 3px no-repeat,linear-gradient(white,white) left top/3px 20px no-repeat,linear-gradient(white,white) right top/20px 3px no-repeat,linear-gradient(white,white) right top/3px 20px no-repeat,linear-gradient(white,white) left bottom/20px 3px no-repeat,linear-gradient(white,white) left bottom/3px 20px no-repeat,linear-gradient(white,white) right bottom/20px 3px no-repeat,linear-gradient(white,white) right bottom/3px 20px no-repeat;padding:13px}.corners svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:5}.scan-title{font-size:28px;letter-spacing:2px;margin-top:17px;font-weight:650}.scan-subtitle{font-size:12px;color:#d1e2f0;margin-top:7px}.scope{margin:29px 0 27px;font-size:12px;color:var(--muted)}.secondary{display:flex;align-items:center;gap:25px}.secondary button,.retry{background:none;color:var(--blue);font-size:14px;padding:10px 0}.secondary>span{height:15px;border-left:1px solid #bdcddd}.retry{text-decoration:underline;margin-top:15px}.notice{max-width:330px;line-height:1.8;font-size:13px;color:var(--muted);margin-top:26px;text-align:center}footer{font-size:11px;line-height:1.8;text-align:center;color:#7c8d9c;padding-top:20px}.toast{position:fixed;z-index:20;bottom:calc(24px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);padding:12px 18px;width:max-content;max-width:90vw;border-radius:12px;background:#193147;color:white;font-size:14px;line-height:1.6;box-shadow:0 5px 20px #0002}dialog{border:0;border-radius:20px;background:white;color:var(--ink);padding:22px;max-width:440px;width:calc(100% - 24px);max-height:calc(100dvh - 24px)}dialog::backdrop{background:#152f49b3;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}h2{font-size:18px;margin:0;font-weight:650}.close{background:var(--paper);border-radius:50%;font-size:26px;line-height:36px;width:36px;height:36px;color:var(--muted)}.camera{position:relative;background:#102132;border-radius:12px;overflow:hidden;aspect-ratio:1}.camera video{width:100%;height:100%;object-fit:cover}.camera-frame{position:absolute;inset:18%;border:2px solid white;border-radius:12px;pointer-events:none;box-shadow:0 0 0 100px #0003}#camera-status{font-size:13px;line-height:1.7;min-height:44px}.photo-button{display:block;text-align:center;padding:12px;border:1px solid var(--line);border-radius:10px;font-size:14px;cursor:pointer}.photo-button input{position:absolute;width:1px;height:1px;opacity:0}#link-form label{display:block;font-size:13px;margin:20px 0 9px}textarea,input{border:1px solid #b9cddd;border-radius:8px;background:white;color:var(--ink);padding:11px;max-width:100%}textarea{width:100%;resize:vertical;font-size:15px}.primary{background:var(--blue);color:white;border-radius:10px;padding:12px 16px}#link-form>.primary{margin-top:18px;width:100%}.error{color:#a14230;font-size:13px;line-height:1.6}.page-dialog{max-width:470px;padding:14px;overflow:auto}.page-dialog .dialog-head{margin-bottom:8px}.page-dialog h2{font-size:16px}.page-dialog small{font-size:10px;color:var(--muted)}.result-tip{font-size:11px;text-align:center;color:var(--muted);margin:6px 0 10px}.screen-wrap{position:relative;background:var(--paper);min-height:200px;border:1px solid var(--line);width:100%;max-width:390px;margin:auto}.screen-wrap img{display:block;width:100%;height:auto;touch-action:none;user-select:none;-webkit-user-drag:none}.screen-wrap p{padding:30px;text-align:center;font-size:13px}.page-tools{display:flex;justify-content:space-between;align-items:center;gap:8px;padding-top:14px}.page-tools button{font-size:12px;border-radius:8px;padding:11px;background:var(--sky);color:var(--blue)}.page-tools button.primary{background:var(--blue);color:white}.text-tools{border-top:1px solid var(--line);margin-top:16px;padding-top:14px}.text-tools label{display:block;font-size:11px;margin-bottom:8px}.text-tools input{width:100%;margin-bottom:8px}.text-tools button{padding:8px 13px;border-radius:6px;margin-right:5px;color:var(--blue);background:var(--sky)}@keyframes pulse{50%{opacity:.4}}@media(max-width:360px){.app{padding-left:20px;padding-right:20px}.brand{font-size:20px}.scan-button{width:218px;height:218px}.welcome{min-height:360px}}@media(min-height:850px){.scan-button{width:260px;height:260px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.account-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap;font-size:12px}.account-actions button{background:none;color:var(--blue);padding:7px 3px;font-size:12px}.account-actions span{color:var(--muted)}.login-panel{flex:1;width:100%;max-width:360px;margin:auto;padding:48px 0 32px}.login-panel h1{font-size:25px;margin:0 0 14px}.login-panel>p{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:32px}.login-panel label{display:block;margin:20px 0 9px;font-size:14px}.login-panel input{width:100%;height:48px;font-size:16px}.login-panel .primary{width:100%;margin-top:12px;font-size:16px;min-height:48px}.user-row{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line)}.user-row strong,.user-row small{display:block}.user-row small{font-size:12px;color:var(--muted);margin-top:6px}.user-row button{border-radius:8px;padding:10px 18px;font-size:14px}.disable-user{background:#f8e9e5;color:#9d4936}.enable-user{background:var(--sky);color:var(--blue)}.admin-help{font-size:13px;line-height:1.7;color:var(--muted)}@media(max-width:430px){header{gap:12px;align-items:flex-start}.account-actions{max-width:130px}.account-actions span{flex-basis:100%;text-align:right}.brand{font-size:20px;white-space:nowrap}}