:root{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#243e35;background:#f6f6ef;font-size:15px;line-height:1.65;--green:#204f40;--muted:#698074;--line:#dce3d4;--paper:#fffffb}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:var(--green)}.portal-header{background:var(--paper);border-bottom:1px solid var(--line);padding:17px max(20px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{font-family:Georgia,serif;font-weight:bold;letter-spacing:.09em;font-size:25px;text-decoration:none}.logo small{font:12px "Microsoft YaHei",sans-serif;letter-spacing:.05em;border-left:1px solid var(--line);margin-left:12px;padding-left:12px;color:var(--muted)}.student-shell{max-width:690px;margin:auto;padding:30px 24px 70px}.eyebrow{font-size:12px;letter-spacing:.13em;color:var(--muted);margin:0 0 8px}h1{font-size:30px;line-height:1.35;margin:8px 0 12px;font-weight:650}h2{font-size:20px;line-height:1.4;margin:0 0 14px}h3{font-size:16px;margin:0 0 6px}p{margin:8px 0 16px}.muted{color:var(--muted)}.small{font-size:12px}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:24px 0}.tab{border:1px solid var(--line);border-radius:7px;padding:9px 17px;background:var(--paper);color:var(--green)}.tab.active{background:var(--green);color:#fff;border-color:var(--green)}.panel{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:25px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field{display:flex;flex-direction:column;gap:6px;min-width:0;font-size:14px}.wide{grid-column:1/-1}.field input,.field select,.field textarea,.search{width:100%;border:1px solid #cfd9c7;border-radius:6px;background:#fff;color:#203d32;padding:10px 12px;min-height:44px}.field textarea{resize:vertical;min-height:96px}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid #719881;outline-offset:2px}.check{display:flex;align-items:flex-start;gap:9px;margin:17px 0;font-size:13px}.check input{margin-top:6px;accent-color:var(--green)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--green);padding:10px 16px;text-decoration:none}.btn.primary{background:var(--green);color:#fff;border-color:var(--green)}.btn.danger{color:#97482c}.buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.error{display:none;color:#8e341f;background:#fff0e7;border:1px solid #e4c3ae;padding:12px 15px;border-radius:6px;margin-bottom:16px;white-space:pre-wrap}.error.show{display:block}.notice{background:#edf3e7;border-left:3px solid #799369;padding:12px 16px;margin:16px 0;font-size:13px}.receipt{font-family:Consolas,monospace;word-break:break-all;padding:13px;background:#f0f2e9;border-radius:6px;font-size:16px;user-select:all}.tag{display:inline-block;background:#eef2e8;color:#486842;border:1px solid #dce4d3;padding:2px 8px;border-radius:5px;font-size:12px}.tag.attention{background:#f9eee0;border-color:#eed7ba;color:#956034}.conversation{margin:20px 0}.message{padding:13px 15px;margin:12px 0;background:#f1f5ec;border:1px solid var(--line);border-radius:8px;white-space:pre-wrap;overflow-wrap:anywhere}.message.mine{background:#fff;border-color:#e4e5dc;margin-left:20px}.message .meta{font-size:12px;color:var(--muted);margin-bottom:4px}.recent{display:flex;flex-direction:column;gap:8px;margin:16px 0}.recent .btn{justify-content:space-between;text-align:left}.footer{text-align:center;color:var(--muted);font-size:12px;margin-top:28px}.staff-shell{max-width:1168px;margin:auto;padding:26px 24px 70px}.staff-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.metric{background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:15px 18px;text-align:left;color:var(--green)}.metric strong{display:block;font-size:25px;font-weight:500}.toolbar{display:flex;gap:10px;margin:16px 0;flex-wrap:wrap}.toolbar select{padding:8px 12px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--green)}.search{flex:1;min-width:160px;max-width:340px}.rows{display:grid;gap:12px}.row{background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:18px 20px;overflow-wrap:anywhere}.row-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.row p{margin:7px 0}.row-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px}.row-detail{white-space:pre-wrap}.row .btn{font-size:13px;padding:6px 13px}.empty{text-align:center;padding:46px 20px;color:var(--muted);background:var(--paper);border:1px dashed var(--line);border-radius:10px}.dialog{border:1px solid var(--line);border-radius:12px;padding:0;width:min(730px,calc(100vw - 24px));max-height:90vh;color:inherit;background:var(--paper)}.dialog::backdrop{background:#15261d80}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:19px 24px;border-bottom:1px solid var(--line)}.dialog-head h2{margin:0}.dialog-body{padding:24px;overflow:auto;max-height:calc(90vh - 88px)}.close{border:0;background:none;font-size:26px;color:var(--muted);width:38px;height:38px}.history{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:16px;white-space:pre-wrap}.status-line{min-height:24px;color:var(--green);margin:8px 0}.receipt-note{word-break:break-all}.inline-link{font-size:13px}.hidden{display:none!important}@media(max-width:620px){.portal-header{padding:14px 18px}.logo{font-size:23px}.logo small{font-size:11px;margin-left:8px;padding-left:8px}.student-shell,.staff-shell{padding:22px 16px 50px}h1{font-size:26px}.panel{padding:20px 17px}.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}.tabs{gap:5px}.tab{padding:8px 13px;font-size:13px}.metrics{grid-template-columns:1fr 1fr;gap:9px}.staff-head{display:block}.staff-head .buttons{margin-top:12px}.dialog-head,.dialog-body{padding:17px}.row{padding:15px}.row-top{gap:8px}.row-top h3{font-size:15px}.row-top .btn{flex-shrink:0}.toolbar .search{max-width:none}.header-user{font-size:12px;max-width:110px;text-align:right}.message.mine{margin-left:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
[hidden]{display:none!important}.session-button{border:1px solid #dce3d4;background:#fffffb;color:#204f40;border-radius:6px;padding:8px 12px;font:inherit;font-size:13px;white-space:nowrap}.portal-header:has(.session-button){flex-wrap:wrap;gap:10px}.portal-header:has(.session-button) .header-user{margin-left:auto}.login-shell{max-width:480px;margin:52px auto;padding:0 24px 48px}.login-shell h1{font-size:32px}.login-card{margin-top:28px;padding:28px;background:var(--paper);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;gap:10px}.login-card>label{font-size:14px;margin-top:4px}.login-card input{width:100%;min-width:0;border:1px solid #cfd9c7;border-radius:6px;padding:11px 12px;background:#fff;color:#203d32;font-size:16px}.password-field{display:flex;align-items:center;gap:8px}.password-field button{border:0;background:none;color:var(--green);padding:8px 2px;flex-shrink:0;font-size:13px}.login-submit{width:100%;margin-top:12px;min-height:46px}.login-help{font-size:12px;line-height:1.8;margin:12px 0 0}.login-card .error{margin:8px 0 0;font-size:13px}.login-footer{font-size:13px;text-align:center;margin-top:26px}#active-session{margin-top:28px;padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:12px}@media(max-width:620px){.portal-header:has(.session-button) .logo{flex:1 0 50%}.portal-header .session-button{padding:7px 11px}.login-shell{margin-top:32px}.login-card{padding:23px 20px}.portal-header:has(.session-button) .header-user{max-width:none}}