:root{--blue: #1a4f9c;--blue-dark: #123a75;--blue-soft: #e8f1fb;--gold: #c9a227;--red: #c0392b;--green: #1e8a4c;--text: #1c2b3a;--muted: #6b7c8d;--bg: #f3f6fb;--card: #ffffff;--line: #d7e1ec;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%}body{font-family:PingFang SC,Noto Sans SC,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);-webkit-tap-highlight-color:transparent}button,input,textarea,select{font-family:inherit}.app-shell{min-height:100dvh;max-width:480px;margin:0 auto;background:var(--bg);position:relative}.landing{min-height:100dvh;background:#071428 url(/login-bg.jpg) center bottom / cover no-repeat;display:flex;flex-direction:column;align-items:center;padding:48px 20px 32px}.landing:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0816308c,#08163047 42%,#081630b8);pointer-events:none}.landing>*{position:relative;z-index:1;width:100%;max-width:420px}.brand{text-align:center;color:#fff;margin-bottom:28px}.brand img{width:92px;height:92px;object-fit:contain;filter:drop-shadow(0 8px 16px rgba(0,0,0,.28));margin-bottom:12px}.brand h1{font-size:22px;letter-spacing:1px}.brand p{margin-top:6px;opacity:.9;font-size:13px}.login-page.shot{min-height:100dvh;background:#0a1a33 url(/login-bg.jpg) center / cover no-repeat;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 18px calc(28px + var(--safe-bottom));position:relative}.login-page.shot:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0a1a3347,#0a1a331f 40%,#0a1a3373)}.login-hero,.login-card{position:relative;z-index:1;width:100%;max-width:380px}.login-hero{text-align:center;margin-bottom:18px}.login-logo-round{width:88px;height:88px;margin:0 auto 12px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px #0000002e;overflow:hidden}.login-logo-round img{width:70px;height:70px;object-fit:contain}.login-hero h1{color:#fff;font-size:20px;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,.35)}.login-card{background:#fff;border-radius:22px;padding:22px 18px 18px;box-shadow:0 18px 40px #0000002e}.login-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f3f5f8;border-radius:12px;padding:4px;margin-bottom:14px}.login-tabs button{border:0;background:transparent;padding:9px;border-radius:9px;color:var(--muted);font-size:14px}.login-tabs button.on{background:#fff;color:#e85a8a;font-weight:700;box-shadow:0 2px 8px #0000000f}.login-card .field input{background:#f7f8fa;border:1px solid #eceff3;border-radius:12px;padding:13px 14px}.pwd-wrap{position:relative}.pwd-wrap input{padding-right:48px}.eye{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:#9aa3af;font-size:13px;padding:6px}.login-btn,a.login-btn{background:linear-gradient(90deg,#ff8fb3,#ff5d8f);border-radius:24px;padding:13px;font-size:17px;box-shadow:0 8px 18px #ff5d8f47}.reg-link,.super-link{display:block;text-align:center;margin-top:12px;color:#e85a8a;font-size:13px;background:transparent;border:0;width:100%;text-decoration:none}.super-link{color:var(--muted);font-size:12px}.super-flag{text-align:center;color:#b03a4a;font-weight:700;margin-bottom:12px}.demo-hint{margin-top:12px;font-size:11px;color:var(--muted);line-height:1.55;text-align:center}.hint{font-size:12px;color:var(--muted);line-height:1.6;margin-top:8px}.login-page{min-height:100dvh;background:#0a1a33 url(/login-bg.jpg) center bottom / cover no-repeat;display:flex;flex-direction:column;justify-content:flex-end}.login-mask{flex:1;background:linear-gradient(180deg,#0a1a3326,#0a1a338c)}.login-box{background:#fff;border-radius:24px 24px 0 0;padding:28px 22px calc(28px + var(--safe-bottom))}.login-logo{width:72px;height:72px;object-fit:contain;display:block;margin:-62px auto 10px;background:#fff;border-radius:18px;padding:6px;box-shadow:0 8px 20px #0000001f}.login-box h2{text-align:center;font-size:20px;color:var(--blue-dark)}.login-box .sub{text-align:center;color:var(--muted);font-size:13px;margin:6px 0 18px}.field{margin-bottom:12px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;font-size:15px;background:#f8fbff;outline:none}.field textarea{min-height:110px;resize:vertical}.primary{width:100%;border:0;border-radius:12px;padding:13px;background:linear-gradient(135deg,var(--blue),#2b73d6);color:#fff;font-size:16px;font-weight:600}.primary:disabled{opacity:.6}.ghost{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px;color:var(--blue);font-size:14px}.danger{width:100%;border:0;border-radius:12px;padding:12px;background:#fdecea;color:var(--red);font-weight:600}.error{color:var(--red);font-size:13px;margin:8px 0;text-align:center}.ok{color:var(--green);font-size:13px;margin:8px 0;text-align:center}.topbar{position:sticky;top:0;z-index:20;background:linear-gradient(135deg,var(--blue-dark),var(--blue));color:#fff;padding:14px 16px 12px;display:flex;align-items:center;justify-content:space-between}.topbar h1{font-size:17px;font-weight:650}.badge{background:#ff4d4f;color:#fff;border-radius:99px;min-width:18px;height:18px;font-size:11px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px;margin-left:6px}.page{padding:14px 14px calc(88px + var(--safe-bottom))}.tabbar{position:fixed;left:50%;transform:translate(-50%);bottom:0;width:100%;max-width:480px;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;padding:6px 8px calc(8px + var(--safe-bottom));z-index:30}.tab{border:0;background:transparent;color:var(--muted);padding:8px 0 4px;font-size:12px;display:flex;flex-direction:column;align-items:center;gap:2px}.tab.active{color:var(--blue);font-weight:700}.tab .ico{font-size:20px;line-height:1}.card{background:var(--card);border-radius:16px;padding:14px;margin-bottom:12px;box-shadow:0 6px 18px #1a4f9c0f}.card h3{font-size:15px;margin-bottom:6px}.meta{color:var(--muted);font-size:12px;line-height:1.5}.row{display:flex;justify-content:space-between;align-items:center;gap:8px}.tag{font-size:11px;padding:3px 8px;border-radius:99px;font-weight:600}.tag.pending{background:#fff1e8;color:#d35400}.tag.signed{background:#e8f8ef;color:var(--green)}.tag.remind{background:#eef2ff;color:#3b5bdb}.seg{display:grid;grid-template-columns:1fr 1fr;background:#e9eef5;border-radius:12px;padding:4px;margin-bottom:12px}.seg button{border:0;background:transparent;padding:8px;border-radius:9px;color:var(--muted);font-size:13px}.seg button.on{background:#fff;color:var(--blue);font-weight:700;box-shadow:0 2px 8px #0000000f}.profile{text-align:center;padding-top:8px}.avatar{width:84px;height:84px;border-radius:50%;object-fit:cover;background:var(--blue-soft);border:3px solid #fff;box-shadow:0 6px 16px #0000001f;margin:0 auto 10px}.avatar.sm{width:42px;height:42px;border-width:0;margin:0}.placeholder-avatar{width:84px;height:84px;border-radius:50%;margin:0 auto 10px;background:linear-gradient(135deg,var(--blue),#5aa0ff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700}.placeholder-avatar.sm{width:42px;height:42px;font-size:15px;margin:0}.user-item{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.user-item:last-child{border-bottom:0}.check{width:22px;height:22px;border:2px solid var(--blue);border-radius:6px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px}.check.on{background:var(--blue)}.files a,.file-chip{display:inline-flex;align-items:center;gap:6px;background:var(--blue-soft);color:var(--blue-dark);text-decoration:none;border-radius:8px;padding:6px 8px;font-size:12px;margin:4px 6px 0 0}.preview-img{width:100%;border-radius:10px;margin-top:8px;max-height:220px;object-fit:cover}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:flex-end;justify-content:center;z-index:50}.sheet{width:100%;max-width:480px;background:#fff;border-radius:18px 18px 0 0;padding:16px 16px calc(20px + var(--safe-bottom));max-height:88dvh;overflow:auto}.sheet h3{margin-bottom:12px}.close{border:0;background:#eef2f7;width:28px;height:28px;border-radius:50%}.alert-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0812248c;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px}.alert-toast{width:min(86vw,360px);background:#fff;border-radius:16px;padding:22px 18px 18px;text-align:center;box-shadow:0 18px 40px #00000040;animation:popin .22s ease}.alert-toast b{color:var(--red);display:block;margin:8px 0 6px;font-size:16px}.alert-bell{display:inline-block;background:#fff1e8;color:#d35400;border-radius:99px;padding:4px 12px;font-size:12px;font-weight:700}@keyframes popin{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.hidden-file{display:none}.small{font-size:12px;color:var(--muted)}.mt8{margin-top:8px}.mt12{margin-top:12px}.mb12{margin-bottom:12px}.stack{display:flex;flex-direction:column;gap:8px}.search{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:10px;background:#fff}.content-text{white-space:pre-wrap;font-size:14px;line-height:1.65;margin:8px 0}.install-banner{margin-top:12px;background:#fff7e6;color:#8a5a00;border-radius:12px;padding:10px 12px;font-size:12px;line-height:1.55}.install-banner b{display:block;margin-bottom:4px}.install-steps{padding-left:18px;font-size:14px;line-height:1.8;color:var(--text)}.install-steps li{margin-bottom:4px}