:root{--brand: #1657d6;--brand-dark: #0f3fa3;--brand-soft: #e8effd;--accent: #ff6b2c;--success: #16a34a;--success-soft: #e7f7ed;--danger: #dc2626;--danger-soft: #fdeaea;--warn: #d97706;--warn-soft: #fdf3e0;--info: #2563eb;--info-soft: #e8effd;--ink: #16223a;--ink-soft: #5c6a85;--ink-muted: #8b97ad;--line: #e3e8f2;--bg: #f4f6fb;--surface: #ffffff;--radius: 14px;--radius-sm: 9px;--shadow: 0 8px 24px rgba(22, 34, 58, .06);--shadow-lg: 0 18px 48px rgba(22, 34, 58, .12);--max-width: 1200px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:PingFang SC,Microsoft YaHei,Hiragino Sans GB,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0 0 8px;line-height:1.3;color:var(--ink)}h1{font-size:26px}h2{font-size:19px}h3{font-size:16px}h4{font-size:14px;margin-top:12px}p{margin:0 0 8px}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-dark)}ul{margin:0;padding-left:18px}.app-shell{display:flex;flex-direction:column;min-height:100%}.navbar{position:sticky;top:0;z-index:20;background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.navbar__inner{max-width:var(--max-width);margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:24px}.navbar__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--ink)}.navbar__brand small{display:block;font-size:11px;font-weight:400;color:var(--ink-muted);letter-spacing:.04em}.navbar__logo{font-size:22px}.navbar__links{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}.navbar__links a{padding:7px 13px;border-radius:999px;color:var(--ink-soft);font-weight:500}.navbar__links a:hover{background:var(--brand-soft);color:var(--brand-dark)}.navbar__links a.active{background:var(--brand);color:#fff}.navbar__actions{display:flex;align-items:center;gap:10px}.navbar__user{display:flex;flex-direction:column;line-height:1.2;text-align:right;color:var(--ink)}.navbar__user small{color:var(--ink-muted);font-size:11px}.app-main{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:24px 20px 48px}.app-footer{border-top:1px solid var(--line);background:var(--surface);color:var(--ink-muted);font-size:12px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 20px}.page{display:flex;flex-direction:column;gap:20px}.page__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}.page__sub{color:var(--ink-soft);margin:0}.stack{display:flex;flex-direction:column;gap:16px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}.card--flat{box-shadow:none}.grid{display:grid;gap:16px}.grid--3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid--4{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:28px;padding:40px;border-radius:22px;color:#fff;background:linear-gradient(135deg,#12379b,#1657d6 45%,#2b8cf0);box-shadow:var(--shadow-lg)}.hero__eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;opacity:.8}.hero h1{color:#fff;font-size:34px;margin-bottom:12px}.hero__desc{max-width:46ch;opacity:.92}.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}.hero .btn--outline{border-color:#fff9;color:#fff}.hero .btn--outline:hover{background:#ffffff29}.hero__stats{display:grid;gap:12px;align-content:center}.hero__stat{background:#ffffff24;border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-sm);padding:14px 16px;display:flex;align-items:baseline;gap:10px}.hero__stat strong{font-size:24px}.hero__stat span{opacity:.88;font-size:13px}.section{display:flex;flex-direction:column;gap:14px}.section__head,.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.section__head p{color:var(--ink-soft);margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:999px;border:1px solid transparent;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;cursor:pointer;transition:all .16s ease;white-space:nowrap;font-family:inherit}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--primary{background:var(--brand);color:#fff}.btn--primary:hover:not(:disabled){background:var(--brand-dark)}.btn--outline{background:transparent;border-color:var(--brand);color:var(--brand)}.btn--outline:hover:not(:disabled){background:var(--brand-soft)}.btn--ghost{background:transparent;color:var(--ink-soft);border-color:var(--line)}.btn--ghost:hover:not(:disabled){background:#f1f4fa;color:var(--ink)}.btn--danger{background:var(--danger-soft);color:var(--danger)}.btn--danger:hover:not(:disabled){background:#f9d5d5}.btn--sm{padding:6px 12px;font-size:12px}.btn--xs{padding:4px 9px;font-size:12px}.btn--lg{padding:12px 24px;font-size:15px}.btn--block{width:100%}.link{font-weight:600}.form{display:flex;flex-direction:column;gap:14px}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-row--4{grid-template-columns:repeat(4,minmax(0,1fr))}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field__label{font-weight:600;font-size:13px;color:var(--ink-soft)}.field__label em{color:var(--danger);font-style:normal;margin-left:3px}.field__error{color:var(--danger);font-size:12px}.field__hint{color:var(--ink-muted);font-size:12px}.input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fbfcfe;font-size:14px;font-family:inherit;color:var(--ink);transition:border-color .15s ease,box-shadow .15s ease}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #1657d624;background:#fff}.input:disabled{background:#f1f3f8;color:var(--ink-muted)}.input--area{resize:vertical;min-height:84px}.field--error .input{border-color:var(--danger)}.input-group{display:flex;gap:8px;align-items:stretch}.input-group .input{flex:1}.checkbox{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-soft);cursor:pointer}.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;align-items:end;padding:16px 20px}.alert{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:11px 14px;border-radius:var(--radius-sm);font-size:13px;border:1px solid transparent}.alert--info{background:var(--info-soft);border-color:#c6d8fb;color:#17408f}.alert--success{background:var(--success-soft);border-color:#bfe8cd;color:#116634}.alert--warn{background:var(--warn-soft);border-color:#f3dcb0;color:#8a5403}.alert--danger{background:var(--danger-soft);border-color:#f6c9c9;color:#9c1c1c}.alert__body{flex:1}.alert__close{border:none;background:transparent;font-size:18px;line-height:1;cursor:pointer;color:inherit;opacity:.6}.error-list{margin:0;padding-left:18px}.spinner{display:flex;align-items:center;gap:10px;color:var(--ink-soft);padding:20px;justify-content:center}.spinner__dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--brand-soft);border-top-color:var(--brand);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px 20px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface);text-align:center}.empty-state__title{font-weight:700;font-size:16px;margin:0}.empty-state__desc{color:var(--ink-soft);margin:0}.crash-detail{max-width:100%;overflow-x:auto;background:#f7f9fd;border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;font-size:12px;color:#9c1c1c;text-align:left;white-space:pre-wrap;margin:0}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5}.badge--muted{background:#eef1f7;color:#5c6a85}.badge--info{background:var(--info-soft);color:#17408f}.badge--success{background:var(--success-soft);color:#116634}.badge--danger{background:var(--danger-soft);color:#9c1c1c}.badge--warn{background:var(--warn-soft);color:#8a5403}.chip{display:inline-flex;align-items:center;gap:6px;background:#f2f5fb;border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:12px;color:var(--ink-soft)}.chip-list{display:flex;flex-wrap:wrap;gap:8px}.event-card h3{margin-bottom:4px}.event-card__head{display:flex;align-items:center;justify-content:space-between;gap:8px}.event-card__city{font-size:12px;color:var(--ink-muted)}.event-card__meta{color:var(--ink-soft);font-size:13px;margin:0}.event-card__groups{display:flex;flex-wrap:wrap;gap:6px}.event-card__foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-soft)}.group-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px}.group-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;padding:6px 10px;background:#f8faff;border-radius:var(--radius-sm)}.group-list small{display:block;color:var(--ink-muted)}.quota{color:var(--success);font-weight:600;font-size:12px}.quota--full{color:var(--danger)}.auth-page{display:flex;justify-content:center;padding:20px 0 40px}.auth-card{width:100%;max-width:460px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:14px}.auth-card__sub{color:var(--ink-soft);margin:0;font-size:13px}.auth-card__foot{text-align:center;color:var(--ink-soft);margin:0}.tabs{display:flex;background:#f1f4fa;border-radius:999px;padding:4px;gap:4px}.tabs button{flex:1;border:none;background:transparent;padding:8px 12px;border-radius:999px;cursor:pointer;font-size:13px;font-weight:600;color:var(--ink-soft);font-family:inherit}.tabs button.is-active{background:var(--surface);color:var(--brand-dark);box-shadow:var(--shadow)}.demo-accounts{background:#f8faff;border:1px dashed var(--line);border-radius:var(--radius-sm);padding:12px 14px;font-size:12px;color:var(--ink-soft)}.demo-accounts p{font-weight:600;color:var(--ink);margin-bottom:4px}.demo-accounts ul{padding-left:16px;margin:0}.breadcrumb{display:flex;gap:8px;font-size:13px;color:var(--ink-muted)}.event-hero{flex-direction:row;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.event-hero h1{margin:8px 0 6px}.event-hero__meta{color:var(--ink-soft);font-size:13px;margin:0}.event-hero__aside{display:flex;gap:26px}.event-hero__aside div{display:flex;flex-direction:column;align-items:flex-end}.event-hero__aside strong{font-size:24px}.detail-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:20px;align-items:start}.detail-main,.detail-side{display:flex;flex-direction:column;gap:16px;min-width:0}.detail-side{position:sticky;top:82px}.pre-line{white-space:pre-line;color:var(--ink-soft)}.muted{color:var(--ink-muted);font-size:12px}.danger-text{color:var(--danger)}.mono{font-family:JetBrains Mono,Consolas,Courier 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dt{color:var(--ink-muted);font-size:12px}.summary dd{margin:2px 0 0;font-weight:600;font-size:13px}.result-panel{display:flex;flex-direction:column;gap:12px}.expand-panel{border-top:1px dashed var(--line);padding-top:10px}.group-editor{border:1px dashed var(--line);border-radius:var(--radius-sm);padding:14px;background:#fbfcff;display:flex;flex-direction:column;gap:10px}.row-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.pagination{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center}.pagination button{min-width:36px;padding:6px 10px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:13px;color:var(--ink-soft);font-family:inherit}.pagination button:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}.pagination button.is-active{background:var(--brand);border-color:var(--brand);color:#fff}.pagination button:disabled{opacity:.5;cursor:not-allowed}.pagination__gap{color:var(--ink-muted)}.pagination__total{margin-left:8px;color:var(--ink-muted);font-size:12px}.admin-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px;align-items:start}.admin-nav{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px;position:sticky;top:82px}.admin-nav a{padding:9px 12px;border-radius:var(--radius-sm);color:var(--ink-soft);font-weight:500;font-size:13px}.admin-nav a:hover{background:#f4f7fd;color:var(--ink)}.admin-nav a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}.admin-content{min-width:0}.stat-card{gap:4px}.stat-card__label{color:var(--ink-muted);font-size:12px}.stat-card__value{font-size:26px}.stat-card__hint{color:var(--ink-soft);font-size:12px}.stat-card--success .stat-card__value{color:var(--success)}.stat-card--accent .stat-card__value{color:var(--accent)}.progress-row{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ink-soft);flex-wrap:wrap}.progress{flex:1;min-width:160px;height:9px;background:#eef1f7;border-radius:999px;overflow:hidden}.progress__bar{height:100%;background:linear-gradient(90deg,var(--brand),var(--accent));border-radius:999px;transition:width .3s ease}.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}.status-grid__item{background:#f8faff;border-radius:var(--radius-sm);padding:9px 11px;display:flex;flex-direction:column}.status-grid__item strong{font-size:18px}.chart{display:flex;align-items:flex-end;gap:6px;height:190px;padding:10px 4px 0;border-bottom:1px solid var(--line)}.chart__col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;height:100%}.chart__bar{width:100%;max-width:34px;min-height:3px;background:linear-gradient(180deg,#4d8bf5,var(--brand));border-radius:6px 6px 0 0;transition:height .3s ease}.chart__value{font-size:11px;color:var(--ink-soft)}.chart__label{font-size:10px;color:var(--ink-muted);white-space:nowrap}.bulk-bar{flex-direction:row;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 16px}.bulk-bar .input{max-width:260px}@media (max-width: 980px){.hero{grid-template-columns:1fr;padding:28px}.detail-layout,.admin-layout{grid-template-columns:1fr}.detail-side,.admin-nav{position:static}.admin-nav{flex-direction:row;overflow-x:auto}.form-row--4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 720px){.navbar__inner{flex-wrap:wrap;gap:12px}.navbar__links{order:3;width:100%;margin-left:0;overflow-x:auto}.navbar__actions{margin-left:auto}.hero h1{font-size:25px}.form-row,.form-row--4{grid-template-columns:1fr}.app-main{padding:16px 14px 40px}.card{padding:16px}}