:root{--teal:#167264;--ink:#192d37;--muted:#65766c;--line:#dce5df;--bg:#f3f5f1}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px/1.7 "Segoe UI","Microsoft YaHei",system-ui,sans-serif;color:var(--ink)}a{color:var(--teal);text-underline-offset:3px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #c79836;outline-offset:2px}.shell{width:min(480px,calc(100% - 32px));margin:8vh auto}.brand{color:var(--teal);font-weight:700;margin:0 0 22px;font-size:15px}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 10px 45px #153a3006}h1{font-size:25px;line-height:1.4;margin:0 0 10px}p{margin:0 0 17px;color:var(--muted);font-size:13px}.tabs{display:flex;background:#eef3ea;padding:4px;border-radius:9px;margin:22px 0}.tabs button{flex:1;border:0;background:transparent;border-radius:6px;padding:8px;color:var(--muted)}.tabs button.active{background:white;color:var(--teal);box-shadow:0 1px 5px #182e2010;font-weight:650}label{display:block;font-size:12px;color:var(--muted);margin:16px 0 5px}input,select{width:100%;padding:11px;border:1px solid var(--line);border-radius:8px;background:#fbfcf9;color:var(--ink);min-width:0}input[readonly]{background:#f1f5ed}.primary{border:0;background:var(--teal);color:white;border-radius:8px;padding:11px 15px}.full{width:100%;margin-top:19px}.plain{border:0;background:transparent;color:var(--teal);padding:5px 0}.row{display:flex;gap:12px;align-items:center;justify-content:space-between}.notice{font-size:12px;background:#edf3e9;color:#59725c;padding:11px 13px;border-radius:8px;margin-top:20px}.message{font-size:13px;padding:11px 13px;border-radius:8px;background:#edf5ef;color:#246b4d;margin:16px 0;white-space:pre-wrap}.message.error{background:#fff0e6;color:#955e30}.caption{font-size:11px;color:#899582;text-align:center;margin:18px 0}.otp{font-size:24px;letter-spacing:7px;text-align:center;font-variant-numeric:tabular-nums}.admin-shell{max-width:1150px;margin:30px auto;padding:0 20px}.admin-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.admin-top h1{font-size:24px}.admin-card{background:white;border:1px solid var(--line);border-radius:14px;padding:22px;margin:18px 0}.admin-card h2{font-size:17px;margin:0 0 14px}.form-grid{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:12px;align-items:end}.form-grid label{margin-top:0}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px;white-space:nowrap}th,td{text-align:left;border-bottom:1px solid #e9eee6;padding:11px 8px;vertical-align:top}th{color:var(--muted);font-weight:550}td small{display:block;color:var(--muted);max-width:340px;white-space:normal;overflow-wrap:anywhere}.action{border:1px solid var(--line);background:white;padding:4px 8px;border-radius:5px;font-size:12px;color:var(--teal);margin:2px}.danger{color:#9e463c}.status{font-size:11px;border-radius:5px;background:#edf4e8;color:#4e7756;padding:3px 6px}.code-box{padding:14px;background:#eef4e9;border-radius:9px;margin-top:17px}.code-box input{font-family:monospace;margin:8px 0}.small{font-size:12px}.top-links{display:flex;gap:15px;align-items:center}.no-data{padding:18px 0;color:var(--muted);font-size:13px}@media(max-width:650px){.shell{margin:35px auto}.card{padding:23px}.form-grid{grid-template-columns:1fr 1fr}.form-grid>div:first-child{grid-column:1 / -1}.form-grid .primary{width:100%}.admin-top{align-items:flex-start;flex-wrap:wrap}.admin-card{padding:17px}.admin-shell{padding:0 12px}.top-links{font-size:12px}h1{font-size:22px}}

/* Login preview uses the supplied screenshot; protected data still comes from the authenticated API. */
.login-page{min-height:100vh;min-height:100dvh;display:flow-root;isolation:isolate}
.login-page::before,.login-page::after{content:"";position:fixed;inset:0;pointer-events:none}
.login-page::before{z-index:-2;background:url('/assets/login-preview.png') center top/cover no-repeat;filter:blur(1px);transform:scale(1.006)}
.login-page::after{z-index:-1;background:linear-gradient(90deg,rgba(243,245,241,.12) 0%,rgba(243,245,241,.32) 39%,rgba(233,240,230,.82) 68%,rgba(233,240,230,.96) 100%)}
.login-page .shell{position:relative;width:min(460px,calc(100% - 40px));margin:clamp(36px,7vh,90px) max(4vw,28px) 36px auto}
.login-page .card{background:rgba(255,255,255,.95);border-color:rgba(211,224,213,.95);box-shadow:0 18px 75px #143c2d26;backdrop-filter:blur(12px)}
.login-page .brand{display:inline-block;background:#ffffffdb;padding:8px 14px;border:1px solid #d6e3d6;border-radius:10px;margin-bottom:16px}
.login-page .shell>.caption{color:#526b56;background:#f5f9f1cc;border-radius:8px;padding:5px 8px}
.preview-label{position:fixed;left:22px;bottom:20px;font-size:11px;color:#4c6858;border:1px solid #cbdccc;background:#ffffffd9;border-radius:7px;padding:5px 10px;pointer-events:none}
@media(max-width:800px){.login-page::after{background:rgba(233,240,230,.70)}.login-page::before{background-position:35% top}.login-page .shell{margin:30px auto 45px}.preview-label{display:none}}
@media(prefers-reduced-motion:reduce){.login-page::before{transform:none}}

.code-cell{min-width:250px}.stored-code{width:290px;max-width:100%;padding:6px 8px;font:12px/1.6 monospace;background:#f8fbf5}.code-cell small{font-size:10px;margin-top:4px}

.trial-button{border:1px solid #96beaa;border-radius:9px;background:#eaf4ed;color:#176553;font-weight:700;padding:12px 15px;font-size:15px}
.trial-button:hover:not(:disabled){background:#dcefe2;border-color:#5e9f7c}
.trial-hint{font-size:11px;line-height:1.7;margin:8px 0 18px;color:#6e8072}
.login-divider{display:flex;align-items:center;gap:12px;color:#839084;font-size:11px;margin:18px 0 2px}
.login-divider::before,.login-divider::after{content:"";height:1px;background:var(--line);flex:1}
.purchase{display:grid;grid-template-columns:minmax(0,1fr) 164px;gap:14px;align-items:center;margin-top:24px;padding-top:21px;border-top:1px solid var(--line);scroll-margin-top:20px}
.purchase h2{font-size:17px;line-height:1.3;margin:6px 0 10px;color:var(--ink)}
.purchase-eyebrow{font-size:11px;color:var(--muted)}
.purchase .price{color:#b36b2b;font-size:16px;white-space:nowrap;margin-left:6px}
.price strong{font-size:34px;line-height:1;font-weight:750;letter-spacing:-1px;margin-left:2px}
.purchase p{font-size:12px;margin:0 0 9px}
.group-offer{display:block;color:#1a7560;font-size:12px}
.purchase .qr-hint{font-size:10px;line-height:1.6;margin:9px 0 0;color:#899582}
.wechat-qr{display:block;border:1px solid #e2e8df;border-radius:10px;background:white;padding:7px;text-align:center;text-decoration:none}
.wechat-qr img{display:block;width:100%;height:auto}
.wechat-qr span{display:block;font-size:10px;color:var(--teal);margin-top:3px}
.login-rules{margin-top:20px;border-top:1px solid var(--line);padding-top:13px}
.login-rules summary{color:#7c8e80;cursor:pointer;font-size:11px}
.login-rules p{font-size:11px;margin:9px 0 0}
.login-page .shell{width:min(510px,calc(100% - 40px));margin-top:30px}
.login-page .card h1{font-size:24px}
@media(max-width:420px){.login-page .shell{width:calc(100% - 24px);margin-top:18px}.login-page .card{padding:20px}.login-page .card h1{font-size:22px}.purchase{grid-template-columns:minmax(0,1fr) 140px;gap:10px}.purchase h2{font-size:15px}.price strong{font-size:30px}.purchase p{font-size:11px}}

.wechat-contact{min-width:0}.purchase .wechat-id{font-size:11px;text-align:center;margin:8px 0 0;color:var(--ink);overflow-wrap:anywhere}.wechat-id strong{user-select:all;font-weight:650}