:root{--ink:#15243c;--muted:#66758c;--line:#dfe6ef;--blue:#246bfe;--blue-dark:#174fc1;--soft:#f4f7fb;--card:#fff;--green:#16835c;--amber:#b86b00;--red:#c33d4a;--shadow:0 18px 50px rgba(22,42,76,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:#f7f9fc;font-size:15px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}input,textarea,select{width:100%;border:1px solid #cfd9e7;border-radius:10px;background:#fff;padding:12px 14px;color:var(--ink);outline:none;transition:.2s}textarea{resize:vertical;line-height:1.65}input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,107,254,.12)}label>span,legend{display:block;font-weight:650;margin-bottom:8px}label b,legend b,.question-title b{color:var(--red)}label small{display:block;color:var(--muted);margin-top:7px;line-height:1.5}fieldset{border:0;padding:0;margin:18px 0 0}.public-header{height:78px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 26px}.brand,.sidebar-brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(145deg,#2d75ff,#164fc8);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(36,107,254,.22)}.brand span:last-child{display:flex;flex-direction:column;gap:2px}.brand small{color:var(--muted);font-size:12px;font-weight:400}.secure-label{font-size:13px;color:var(--muted);padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff}.hero{max-width:1120px;margin:36px auto 22px;padding:52px 58px;border-radius:28px;color:#fff;background:radial-gradient(circle at 90% 5%,rgba(82,145,255,.55),transparent 32%),linear-gradient(130deg,#12233f,#174c9a);display:flex;align-items:flex-end;justify-content:space-between;gap:40px;box-shadow:var(--shadow)}.hero 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span{color:var(--muted);font-size:13px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:12px 20px;font-weight:700;cursor:pointer}.primary-button{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(36,107,254,.2)}.primary-button:hover{background:var(--blue-dark)}.secondary-button{background:#fff;color:var(--ink);border:1px solid #cfd9e7}.full{width:100%}.public-footer{text-align:center;color:var(--muted);font-size:12px;padding:18px 20px 34px}.alert{padding:13px 16px;border-radius:10px;margin-bottom:16px;display:flex;gap:10px}.alert.error{background:#fff0f1;color:#a52c39;border:1px solid #f4cdd1}.alert.success{background:#eaf8f2;color:#106847;border:1px solid #c7eadc}.form-alert{margin:18px 0;flex-direction:column}.success-page,.auth-card{max-width:580px;margin:70px auto;padding:44px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.success-page{text-align:center}.success-icon{display:grid;place-items:center;width:68px;height:68px;margin:0 auto 20px;border-radius:50%;background:#e5f8f0;color:var(--green);font-size:32px;font-weight:800}.success-page h1,.auth-card h1{font-size:30px;margin:8px 0 12px}.success-page>p,.auth-card>p{color:var(--muted);line-height:1.8}.reference-box{margin:28px 0;display:flex;flex-direction:column;gap:5px;padding:20px;border-radius:14px;background:var(--soft)}.reference-box span,.reference-box small{color:var(--muted)}.reference-box strong{font-size:24px;letter-spacing:.16em}.auth-card form{display:grid;gap:16px;margin-top:25px}.remember{display:flex;align-items:center;gap:9px}.remember input{width:auto}.remember span{margin:0;font-weight:500}.admin-body{background:#f3f6fa}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:#12233f;color:#cbd8ea;padding:24px 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h1{font-size:30px;margin:7px 0}.page-heading .eyebrow{display:block}.stat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.stat-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:7px}.stat-grid span,.stat-grid small{color:var(--muted)}.stat-grid strong{font-size:30px}.panel{padding:24px;margin-top:18px}.panel-heading{display:flex;justify-content:space-between;margin-bottom:16px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;color:#718096;font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding:12px;border-bottom:1px solid var(--line)}td{padding:15px 12px;border-bottom:1px solid #edf0f4;vertical-align:middle}td strong,td small{display:block}td small{color:var(--muted);font-size:12px;margin-top:4px;max-width:520px}.text-link,.row-actions a,.row-actions button{color:var(--blue);font-weight:650}.empty{text-align:center!important;color:var(--muted);padding:36px!important}.status{display:inline-flex!important;width:max-content;padding:5px 9px;border-radius:999px;background:#f1f4f8;color:#53637a;font-size:12px}.status-pending{background:#fff3d8;color:#966000}.status-analyzing{background:#e9f1ff;color:#235ebc}.status-completed{background:#e5f7ef;color:#13704e}.status-developing{background:#f0eaff;color:#6840a7}.filters{display:flex;gap:10px;align-items:center;margin-bottom:16px}.filters input{max-width:360px}.filters select{max-width:190px}.pagination{margin-top:18px}.requirement-heading{align-items:center}.back-link{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:4px}.export-actions{display:flex;gap:8px}.export-actions a{padding:10px 14px;background:#fff;border:1px solid #cfd9e7;border-radius:9px;font-weight:650}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 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10px}.answer-value{font-weight:650}.answer-note{margin-top:10px;background:var(--soft);padding:11px;border-radius:8px}.answer-note p{margin:5px 0 0;line-height:1.7}.file-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.file-list a{padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--blue);font-size:13px}.file-list small{color:var(--muted)}.detail-aside{position:sticky;top:80px}.analysis-form{margin-top:0}.analysis-form label{display:block;margin-top:16px}.analysis-form textarea{font-size:13px}.row-actions{display:flex;gap:10px;align-items:center}.row-actions form{margin:0}.row-actions button{border:0;background:transparent;cursor:pointer;padding:0;color:var(--red)}.narrow-panel{max-width:760px}.question-form{display:grid;gap:18px}.question-form .primary-button{justify-self:start}
@media(max-width:1050px){.stat-grid{grid-template-columns:repeat(3,1fr)}.detail-grid{grid-template-columns:1fr}.detail-aside{position:static}.hero{margin-left:20px;margin-right:20px}.requirement-form{padding:0 20px}}
@media(max-width:760px){.public-header{height:68px}.brand small,.secure-label{display:none}.hero{padding:34px 24px;border-radius:20px;margin-top:16px;display:block}.hero h1{font-size:28px}.hero p{font-size:15px}.hero-meta{margin-top:22px}.form-card{padding:22px 17px;border-radius:15px}.field-grid.two,.info-grid{grid-template-columns:1fr}.submit-panel{align-items:stretch;flex-direction:column;padding:18px 0}.submit-panel button{width:100%}.success-page,.auth-card{margin:30px 16px;padding:28px 20px}.sidebar{transform:translateX(-100%);transition:.2s}.menu-open .sidebar{transform:none;box-shadow:10px 0 30px rgba(0,0,0,.25)}.admin-shell{margin-left:0}.admin-topbar{justify-content:space-between}.menu-toggle{display:block;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:7px}.admin-content{padding:22px 16px}.page-heading{align-items:flex-start;flex-direction:column}.stat-grid{grid-template-columns:repeat(2,1fr)}.filters{align-items:stretch;flex-direction:column}.filters input,.filters select{max-width:none}.requirement-heading{align-items:flex-start}.export-actions{flex-wrap:wrap}.panel{padding:17px}.choice-row{gap:7px}.choice span{padding:9px 11px;font-size:13px}}
.operations-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.ops-value{font-size:20px!important}.operations-panel{max-width:900px}.operations-panel h3{margin:22px 0 10px}.command-box{display:block;padding:14px 16px;border-radius:10px;background:#12233f;color:#dbeafe;white-space:pre-wrap;word-break:break-all}.muted-text{color:var(--muted);font-size:13px}@media(max-width:760px){.operations-grid{grid-template-columns:1fr}}