:root{--navy:#101c36;--navy2:#192949;--blue:#2466e8;--blue2:#edf3ff;--cyan:#46b9db;--bg:#f5f7fb;--line:#e6eaf1;--text:#17233d;--muted:#78849a;--white:#fff;--green:#159b77;--red:#d75d66;--gold:#e9a42e;--shadow:0 3px 18px rgba(22,38,74,.05);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei","Noto Sans CJK SC",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:var(--blue)}.hidden{display:none!important}.shell{display:flex;min-height:100vh}.sidebar{width:232px;flex-shrink:0;position:sticky;height:100vh;top:0;background:var(--navy);color:#c7d1e6;padding:27px 15px 20px;display:flex;flex-direction:column}.brand-mark{font-size:27px;font-weight:900;letter-spacing:2px;color:#fff;padding-left:14px}.brand-mark span{color:#74c5ff}.brand-mark small{display:block;font-size:9px;letter-spacing:3.2px;margin-top:5px;font-weight:700;color:#8fa7cd}.side-subtitle{margin:45px 14px 15px;font-size:11px;letter-spacing:2px;color:#667b9d}.sidebar nav{display:flex;flex-direction:column;gap:5px}.nav-item{border:none;background:transparent;color:#aab8d3;text-align:left;padding:13px 14px;border-radius:9px;font-weight:550;transition:.2s}.nav-item span{display:inline-flex;font-size:18px;width:25px;justify-content:center;margin-right:6px;color:#8293ba}.nav-item:hover,.nav-item.active{background:#23365b;color:#fff}.nav-item.active{box-shadow:inset 3px 0 #5bacff}.side-footer{margin-top:auto;border-top:1px solid #2c3a58;padding:20px 12px 0;font-size:11px;color:#8a9ab7}.side-footer small{display:block;margin:9px 0 0 15px}.pill-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#43d0a2;margin-right:7px}.main{min-width:0;flex:1}.topbar{height:77px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px}.crumb{color:#9aa5b5;font-size:13px}.crumb span{padding:0 10px;color:#c3cad6}.crumb b{color:var(--text)}.top-actions{display:flex;align-items:center;gap:9px}.user-badge{padding:7px 10px;background:#f3f6fa;border-radius:20px;font-size:12px;color:#526178}.page{max-width:1560px;margin:auto;padding:32px 36px 40px}.main-footer{margin:0 36px 18px;color:#b0b8c7;font-size:11px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:26px}.eyebrow{font-size:11px;color:var(--blue);font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}.page-header h1{font-size:27px;font-weight:800;letter-spacing:-.5px;margin:0 0 8px}.page-header p{color:var(--muted);margin:0;line-height:1.7}.header-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}.button{border:1px solid transparent;border-radius:9px;padding:10px 14px;font-size:12px;font-weight:700;transition:.16s;white-space:nowrap}.button.primary{background:var(--blue);color:white}.button.primary:hover{background:#174ebd}.button.outline{background:#fff;color:#384761;border-color:#dbe2ee}.button.subtle{background:transparent;color:#61708a;padding:8px}.button:hover{filter:brightness(.96)}.button.full{width:100%;height:43px}.button.mini{padding:6px 9px;font-size:11px}.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:18px}.filters input,.filters select,.filters .date{min-height:39px;border:1px solid var(--line);background:#fff;border-radius:8px;color:#35435d;padding:0 12px}.filters input{min-width:220px}.filters label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:22px}.metric{background:#fff;border:1px solid var(--line);padding:22px 22px 19px;border-radius:13px;box-shadow:var(--shadow)}.metric .label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}.metric .icon{font-size:17px;color:var(--blue);background:#eef3ff;border-radius:9px;display:grid;place-items:center;width:32px;height:32px}.metric .num{font-size:30px;font-weight:850;margin:17px 0 7px;font-variant-numeric:tabular-nums}.metric .num small{font-size:12px;font-weight:500;color:#8590a5;margin-left:5px}.metric .note{font-size:11px;color:#95a1b3}.metric .note b{color:var(--green)}.content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:17px}.panel{background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:18px}.panel-head{padding:20px 22px;border-bottom:1px solid #eef1f6;display:flex;align-items:center;justify-content:space-between;gap:14px}.panel-head h2{margin:0;font-size:15px}.panel-head small{font-size:11px;color:var(--muted)}.panel-content{padding:20px 22px}.table-wrap{overflow:auto;max-width:100%}table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}th{background:#fafbfd;font-size:11px;color:#8491a7;font-weight:650;letter-spacing:.2px}th,td{padding:13px 15px;border-bottom:1px solid #f0f2f6}td{font-size:12px;color:#46536a}tr:last-child td{border-bottom:none}td strong{color:#263652}.table-wrap table{min-width:710px}.table-wrap.tight table{min-width:460px}.tag{display:inline-flex;align-items:center;border-radius:5px;padding:4px 8px;font-size:11px;font-weight:650;background:#f1f4f8;color:#65748a}.tag.green{background:#e6f7f1;color:#198966}.tag.blue{background:#eaf1ff;color:#2b69d5}.tag.orange{background:#fff4e4;color:#ba8429}.tag.red{background:#fff0f2;color:#cf6270}.tag.purple{background:#f4efff;color:#805bc0}.text-link{border:0;background:none;color:#2163ce;padding:4px;font-size:12px}.muted{color:var(--muted)}.empty{padding:45px 25px;text-align:center;color:#9aa5b7}.empty .big{font-size:35px;margin-bottom:10px}.bars{display:grid;gap:16px}.bar-head{display:flex;justify-content:space-between;color:#697791;font-size:12px;margin-bottom:6px}.bar-head strong{color:#263652}.bar{height:8px;border-radius:9px;background:#eff3f8;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,#3680ee,#64b7f3);border-radius:9px}.campus-item{display:flex;align-items:center;padding:13px 0;border-bottom:1px solid #f1f3f7;gap:12px}.campus-item:last-child{border:0}.campus-bubble{background:#edf3ff;color:#4273d7;width:37px;height:37px;border-radius:10px;display:grid;place-items:center;font-weight:800}.campus-item b{font-size:12px;display:block}.campus-item small{font-size:11px;color:#91a0b2}.campus-item .right{margin-left:auto;text-align:right}.campus-item .right strong{display:block;font-size:19px}.tip-panel{padding:16px 20px;background:#eef5ff;color:#547199;border:1px solid #dceafe;border-radius:11px;margin-bottom:20px;font-size:12px;line-height:1.8}.tip-panel b{color:#3261a5}.rate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.rate{padding:18px;border-radius:10px;background:#f8fafc;text-align:center}.rate b{display:block;font-size:22px;margin:7px 0}.rate span{font-size:11px;color:var(--muted)}.rate small{font-size:10px;color:#aab4c5}.funnel{display:flex;flex-direction:column;gap:15px}.funnel-row{display:flex;align-items:center;gap:13px}.funnel-row label{width:85px;color:#687690;font-size:12px}.funnel-row .bar{flex:1;height:14px}.funnel-row b{width:60px;text-align:right;font-size:12px}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.status-grid .status{background:#f8fafc;padding:15px;border-radius:9px;text-align:center}.status b{display:block;font-size:20px}.status span{font-size:11px;color:#8794a9}.modal-root{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:14px}.modal-backdrop{position:absolute;inset:0;background:rgba(12,22,42,.57)}.modal{background:white;border-radius:15px;box-shadow:0 20px 70px rgba(0,0,0,.24);width:min(640px,100%);max-height:min(92vh,880px);display:flex;flex-direction:column;position:relative;overflow:hidden}.modal-title{display:flex;justify-content:space-between;align-items:center;padding:19px 24px;border-bottom:1px solid var(--line)}.modal-title h3{margin:0;font-size:18px}.close-btn{border:none;background:none;color:#9da5b5;font-size:25px}.modal-body{padding:23px;overflow:auto;display:grid;grid-template-columns:1fr 1fr;gap:14px}.modal-body label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:#526179;font-weight:650}.modal-body .wide{grid-column:span 2}.modal-body input,.modal-body textarea,.modal-body select{border:1px solid #dce3ed;border-radius:8px;min-height:39px;padding:9px 11px;color:#33415a;background:white;width:100%}.modal-body textarea{min-height:80px;resize:vertical}.modal-body input[type=checkbox]{width:18px;min-height:18px}.check-row{display:flex;flex-direction:row!important;align-items:flex-start;gap:9px}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:15px 23px;border-top:1px solid var(--line)}.toast{position:fixed;right:25px;bottom:22px;z-index:80;background:#132442;color:#fff;border-radius:9px;padding:13px 19px;box-shadow:0 8px 26px #15213e44;max-width:420px;line-height:1.5}.login-screen{min-height:100vh;background:radial-gradient(ellipse at 30% 20%,#233e79,#101d3a 56%,#0c1429);display:grid;place-items:center;padding:24px}.login-panel{max-width:410px;width:100%;background:#fff;border-radius:17px;padding:37px 40px;box-shadow:0 24px 100px #05112b55}.login-panel .brand-mark{padding:0;color:#142844}.login-panel .brand-mark span{color:var(--blue)}.login-panel .brand-mark small{color:#96a5b8}.login-panel h1{font-size:24px;margin:33px 0 8px}.login-panel p{font-size:12px;color:#92a0b4;margin:0 0 29px}.login-panel label{display:flex;flex-direction:column;gap:8px;font-weight:650;font-size:12px;margin:15px 0}.login-panel input{border-radius:8px;border:1px solid #dbe3ef;padding:11px}.login-panel footer{font-size:11px;text-align:center;color:#a9b3c1;margin-top:32px}.message{color:#d3525f;font-size:12px;margin-top:13px;min-height:17px}.menu-btn{display:none;border:0;background:transparent;font-size:22px;color:#263c60}.hint{font-size:11px;color:#8995a8;margin-top:8px}.split-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px}.small-stat{font-weight:750;color:#263853}.btn-row{display:flex;gap:5px}.danger{color:#d35c66}.report-block{padding:18px;border:1px solid #e8edf3;border-radius:11px;margin-bottom:14px;line-height:1.9}.report-block h3{margin:0 0 9px;font-size:14px}.report-block p{margin:5px 0;color:#647289}.actions-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
@media(max-width:1250px){.cards{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}.status-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.sidebar{position:fixed;z-index:30;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.menu-btn{display:block}.topbar{padding:0 14px;height:63px}.top-actions{gap:0}.top-actions .button{font-size:11px;padding:6px}.user-badge{display:none}.page{padding:25px 13px}.page-header{flex-direction:column}.header-actions{justify-content:flex-start}.main-footer{margin-left:15px}.modal-body{grid-template-columns:1fr}.modal-body .wide{grid-column:span 1}.rate-grid{grid-template-columns:1fr 1fr 1fr}.metric{padding:16px}.metric .num{font-size:25px}.status-grid{grid-template-columns:repeat(2,1fr)}}

/* V0.2 协作版扩展：移动端各角色可用 */
.nav-item.hidden{display:none} .panel+.panel{margin-top:18px}.table-wrap td{vertical-align:middle}.table-wrap .button{padding:8px 10px;font-size:12px;white-space:nowrap}.filters .button{align-self:end}.tip-panel{line-height:1.8}.main-footer{line-height:1.5}
@media(max-width:700px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.split-cols{grid-template-columns:1fr}.top-actions{gap:4px}.top-actions .button{font-size:11px;padding:7px 9px}.page{padding:18px 12px}.page-header h1{font-size:25px}.page-header{flex-wrap:wrap}.modal{max-height:90vh;overflow:auto}}

/* 活动报名入口菜单较多时允许侧栏滚动 */
.sidebar{overflow-y:auto;}