:root{--bg:#f6f8fb;--card:#fff;--text:#172033;--muted:#6f7b91;--line:#e7ebf2;--primary:#1f7bf3;--primary2:#5ea2ff;--danger:#e04444;--shadow:0 10px 30px rgba(23,32,51,.07)}*{box-sizing:border-box}html{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text)}body{margin:0}.shell{width:min(1120px,calc(100% - 32px));margin:auto}.hero{background:linear-gradient(135deg,#0d1b3a,#173a72 58%,#2776d8);color:#fff;padding:42px 0 36px}.hero-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.brand{font-weight:800;font-size:20px}.hero h1{font-size:36px;margin:28px 0 8px;letter-spacing:-1px}.hero p{margin:0;color:#cddaf0}.admin-link{color:#dce9ff;text-decoration:none;border:1px solid rgba(255,255,255,.25);padding:9px 14px;border-radius:10px}.page-space{padding:28px 0 48px}.notice{background:#fff7dd;border:1px solid #f2df9b;padding:13px 16px;border-radius:12px;margin-bottom:18px}.toolbar{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}.search{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 15px;font-size:15px;outline:none}.search:focus{border-color:var(--primary)}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;color:var(--text);padding:8px 13px;border-radius:999px;cursor:pointer}.chip.active{background:#eaf3ff;border-color:#bed9ff;color:#125cba}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:270px}.card-top{display:flex;gap:14px;align-items:center}.icon{width:52px;height:52px;border-radius:14px;background:#eef5ff;display:grid;place-items:center;font-size:27px}.category{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:4px}.card h2{margin:0;font-size:20px}.meta{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0 0}.meta span{font-size:12px;color:var(--muted);background:#f5f7fa;padding:6px 8px;border-radius:8px}.desc{color:#46536b;line-height:1.65;margin:15px 0}.changes{font-size:14px;color:#526079;border-top:1px solid var(--line);padding-top:12px}.changes summary{cursor:pointer;font-weight:700;color:#39465c}.changes 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var(--line);border-radius:20px;box-shadow:var(--shadow);padding:30px}.login-logo{width:54px;height:54px;background:#eaf3ff;border-radius:15px;display:grid;place-items:center;font-size:28px}.login-card h1{margin:20px 0 7px}.login-card>p{color:var(--muted);margin-top:0}.form-stack,.form-panel{display:flex;flex-direction:column;gap:16px}.form-stack{margin-top:20px}label{display:flex;flex-direction:column;gap:7px;font-weight:700;font-size:14px}input,textarea,select{width:100%;border:1px solid #dfe4ec;background:#fff;border-radius:10px;padding:11px 12px;font:inherit;outline:none}textarea{resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,123,243,.08)}small,.muted{color:var(--muted);font-weight:400}.wide{width:100%}.back-link{display:block;text-align:center;margin-top:18px;color:#62728c;text-decoration:none}.flash{padding:11px 13px;border-radius:10px;margin:12px 0}.flash.error{background:#fff0f0;color:#9b2020}.flash.success{background:#edf9f0;color:#28733a}.admin-shell{min-height:100vh;display:grid;grid-template-columns:230px 1fr}.sidebar{background:#111c31;color:#d8e4fa;padding:24px 18px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.side-brand{font-size:20px;font-weight:800;padding:4px 8px 22px}.sidebar nav{display:flex;flex-direction:column;gap:5px}.sidebar nav a{color:#b9c8e2;text-decoration:none;padding:11px 12px;border-radius:9px}.sidebar nav a:hover,.sidebar nav a.active{background:#1d2d49;color:#fff}.logout-form{margin-top:auto}.ghost-btn,.small-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:#33425b;border-radius:9px;padding:9px 12px;text-decoration:none;cursor:pointer}.sidebar .ghost-btn{width:100%;background:transparent;border-color:#33445f;color:#d8e4fa}.admin-main{padding:30px;max-width:1250px;width:100%}.mobile-admin-head{display:none}.admin-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.admin-head h1{margin:0 0 6px}.admin-head p{margin:0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.stat b{font-size:27px;display:block}.stat span{font-size:13px;color:var(--muted)}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:18px;overflow:hidden}.panel-title{display:flex;justify-content:space-between;align-items:center;padding:17px 18px;border-bottom:1px solid var(--line)}.panel-title h2{font-size:17px;margin:0}.resource-row{display:grid;grid-template-columns:1fr auto auto;gap:16px;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line)}.resource-row:last-child{border-bottom:0}.row-main{display:flex;align-items:center;gap:12px;min-width:0}.row-icon{font-size:26px}.row-main b{display:block;margin-bottom:4px}.row-actions{display:flex;gap:7px}.row-actions form{margin:0}.small-btn{padding:7px 10px;font-size:13px}.small-btn.danger{color:#b12727}.status{font-size:12px;border-radius:999px;padding:5px 8px}.status.on{background:#eaf8ef;color:#25743a}.status.off{background:#f0f1f4;color:#6f7785}.form-panel{padding:20px}.form-panel.narrow{max-width:700px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.check{display:flex;flex-direction:row;align-items:center}.check input{width:auto}.form-actions{display:flex;gap:10px;padding-top:4px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:11px 18px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:#69768d;background:#fafbfc}.pad{padding:18px}@media(max-width:760px){.hero{padding:30px 0}.hero h1{font-size:28px;margin-top:22px}.grid{grid-template-columns:1fr}.card{min-height:auto}.card-bottom{align-items:flex-end}.download-btn{padding:12px 17px}.admin-shell{display:block}.sidebar{position:fixed;z-index:20;left:-260px;top:0;width:230px;transition:.2s}.sidebar.open{left:0}.admin-main{padding:16px}.mobile-admin-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.admin-head{align-items:center}.admin-head .primary-btn{white-space:nowrap}.stats{grid-template-columns:1fr 1fr}.stats .stat:last-child{grid-column:1/-1}.resource-row{grid-template-columns:1fr auto}.row-status{display:none}.row-actions{grid-column:1/-1;justify-content:flex-end}.form-grid{grid-template-columns:1fr}.shell{width:min(100% - 22px,1120px)}}