:root {
  --ink:#17202a; --muted:#667085; --line:#e5e7eb; --paper:#fff; --canvas:#f7f8fa;
  --blue:#2457d6; --blue-dark:#1946b6; --green:#16835d; --red:#b42318;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink); background:var(--canvas);
}
*{box-sizing:border-box} body{margin:0;min-height:100vh} button,input,select,textarea{font:inherit}
a{color:var(--blue);text-decoration:none} a:hover{text-decoration:underline}
.site-header{height:64px;padding:0 max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}
.brand{font-weight:750;color:var(--ink)} .brand:hover{text-decoration:none}.text-button{border:0;background:none;color:var(--muted);cursor:pointer}
.page{width:min(1120px,calc(100% - 32px));margin:54px auto}.hero{margin-bottom:28px}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:13px;font-weight:750;letter-spacing:0}.hero h1{margin:0;font-size:clamp(32px,5vw,52px);line-height:1.15;letter-spacing:0}.hero p:last-child{margin:16px 0 0;color:var(--muted);font-size:17px}
.year-tabs{display:grid;grid-template-columns:repeat(3,1fr);margin:30px 0 36px;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}.year-tabs button{min-height:72px;padding:15px 20px;display:flex;justify-content:space-between;align-items:center;border:0;border-right:1px solid var(--line);background:#fff;cursor:pointer;text-align:left}.year-tabs button:last-child{border-right:0}.year-tabs button:hover{background:#fafbfc}.year-tabs button.active{color:var(--blue);background:#f7f9ff;box-shadow:inset 0 -3px 0 var(--blue)}.year-tabs span{font-size:13px;color:var(--muted)}
.new-record{margin-bottom:26px;padding:22px;border:1px solid #d9e2fa;border-radius:9px;background:#f7f9ff}.section-heading,.toolbar{display:flex;align-items:end;justify-content:space-between;gap:20px}.section-heading h2,.toolbar h2{margin:0;font-size:23px}.section-heading .eyebrow{margin-bottom:4px}.toolbar{margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}.toolbar p{margin:6px 0 0;color:var(--muted)}
.search{display:flex;gap:10px;flex:1;justify-content:flex-end}.search input{max-width:380px}.primary{min-height:42px;padding:0 18px;border:0;border-radius:8px;background:var(--blue);color:#fff;font-weight:700;cursor:pointer}.primary:hover{background:var(--blue-dark)}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd4dc;border-radius:8px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,87,214,.12)}textarea{resize:vertical}
.records{background:#fff;border-top:1px solid var(--line)}.record{display:grid;grid-template-columns:54px minmax(0,1fr) 360px;gap:18px;padding:20px 16px;border-bottom:1px solid var(--line)}.record:hover{background:#fafbfc}.serial{color:#98a0ad}.record-main{min-width:0}.record-title{display:flex;gap:10px;align-items:flex-start}.record-title h3{margin:0;font-size:17px;overflow-wrap:anywhere}.award{flex:none;padding:4px 9px;border-radius:99px;color:#2149aa;background:#edf2ff;font-size:12px}.competition{margin:6px 0 12px;color:var(--muted)}dl{display:flex;flex-wrap:wrap;gap:8px 24px;margin:0}dl div{display:flex;gap:6px;font-size:13px}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}
.record-files{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-self:center;padding-left:18px;border-left:1px solid var(--line)}.file-kind{min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:7px}.file-kind>strong{font-size:12px;color:var(--muted)}.file-button{min-height:34px;padding:6px 10px;border:1px solid #b9c8ec;border-radius:7px;background:#f7f9ff;color:var(--blue);font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap}.file-button:hover{border-color:var(--blue);text-decoration:none}.owned-item{display:flex;align-items:center;gap:3px;max-width:100%}.owned-item .file-button{overflow:hidden;text-overflow:ellipsis}.delete-own{border:0;background:none;color:var(--red);font-size:12px;cursor:pointer;padding:3px}.record-delete{margin-top:12px}.thumbs{display:flex;gap:7px;flex-wrap:wrap}.thumb-wrap{display:flex;align-items:center;gap:2px}.thumb{width:38px;height:38px;display:block;border-radius:5px;object-fit:cover;border:1px solid var(--line)}.empty{padding:60px 20px;text-align:center;color:var(--muted)}
.message{position:sticky;top:12px;z-index:10;max-width:720px;margin:0 auto 18px;padding:12px 15px;border-radius:8px}.message.success{color:#116644;background:#ebfff6;border:1px solid #bfead8}.message.error{color:#9d2525;background:#fff0f0;border:1px solid #ffd0d0}
dialog{width:min(620px,calc(100% - 28px));max-height:90vh;padding:0;border:0;border-radius:12px;box-shadow:0 20px 80px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(16,24,40,.52)}.dialog-card{padding:26px;display:flex;flex-direction:column;gap:18px}.dialog-card p{margin:0;color:var(--muted);line-height:1.6}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.dialog-head h2{margin:0;font-size:22px}.dialog-head button{border:0;background:none;font-size:28px;cursor:pointer;color:var(--muted)}label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:650}.form-grid{display:grid;grid-template-columns:1fr 1fr}.form-grid .full{grid-column:1/-1}small{color:var(--muted);font-weight:400}.progress{padding:10px;background:#f2f4f7;border-radius:7px;color:var(--muted)}footer{padding:30px;text-align:center;color:#98a0ad;font-size:13px}
@media(max-width:720px){.page{margin:34px auto}.site-header{padding:0 16px}.brand{font-size:14px;max-width:250px}.hero h1{font-size:32px}.year-tabs{grid-template-columns:1fr}.year-tabs button{min-height:58px;border-right:0;border-bottom:1px solid var(--line)}.year-tabs button:last-child{border-bottom:0}.year-tabs button.active{box-shadow:inset 3px 0 0 var(--blue)}.section-heading,.toolbar{align-items:stretch;flex-direction:column}.search{justify-content:stretch;flex-wrap:wrap}.search input{max-width:none;flex:1 0 100%}.record{grid-template-columns:32px minmax(0,1fr);gap:8px;padding:18px 8px}.record-title{flex-direction:column;gap:7px}.record-files{grid-column:2;padding:14px 0 0;border-left:0;border-top:1px solid var(--line)}dl{flex-direction:column;gap:6px}.form-grid{grid-template-columns:1fr}.form-grid>*{grid-column:1/-1}}