:root{--navy:#061824;--blue:#447be7;--cyan:#45cce0;--mist:#eef3f8;--ink:#0c1f2d;--muted:#5d7180;--line:rgba(11,41,58,.12)}
*{box-sizing:border-box}html{background:var(--mist)}body{margin:0;color:var(--ink);background:radial-gradient(circle at 86% 4%,rgba(69,204,224,.16),transparent 26rem),linear-gradient(180deg,#f7f9fc,var(--mist));font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.top{width:min(1360px,calc(100% - 40px));height:92px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.top img{width:172px}.top nav{display:flex;gap:7px;color:#93a2ac;font-size:13px}.top nav .active{color:var(--navy);font-weight:800}.catalog{width:min(1360px,calc(100% - 40px));margin:auto;padding:45px 0 100px}.catalog>h1{text-align:center;font-size:30px}.search{height:54px;display:flex;align-items:center;gap:10px;margin:22px 0 0;padding:0 17px;background:#ffffffdf;border:1px solid var(--line);border-radius:15px}.search span{font-size:24px}.search input{width:100%;border:0;outline:0;background:transparent}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;padding-top:28px}.card{min-width:0;display:flex;flex-direction:column;overflow:hidden;background:#ffffffe6;border:1px solid #ffffffc7;border-radius:24px;box-shadow:0 24px 70px #10384d1a}.cover{display:block;aspect-ratio:1.47;overflow:hidden;background:#dde5ef}.cover img{width:100%;height:100%;object-fit:contain}.card-copy{flex:1;display:grid;grid-template-rows:1fr auto;gap:18px;padding:21px}.card h2{display:-webkit-box;overflow:hidden;margin:0 0 8px;font-size:22px;line-height:1.3;-webkit-line-clamp:2;-webkit-box-orient:vertical}.card p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:13px;line-height:1.65;-webkit-line-clamp:2;-webkit-box-orient:vertical}.action{min-height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 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20px;color:#ffffffad;background:var(--navy)}.admin-shell aside img{width:165px;margin-bottom:18px;filter:brightness(0) invert(1)}.admin-shell aside strong{margin-bottom:18px;color:#fff}.admin-shell aside a,.admin-shell aside button{padding:12px;border:0;border-radius:9px;color:inherit;background:transparent;text-align:left}.admin-shell aside a.active{color:#fff;background:#45cce024}.admin-shell aside form{margin-top:auto}.admin-content{min-width:0;padding:34px clamp(20px,4vw,54px) 70px}.admin-content>header{display:flex;align-items:center;justify-content:space-between}.admin-content h1{margin:5px 0 25px}.admin-content small{color:var(--blue);letter-spacing:.15em}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.metrics article{display:grid;gap:7px;padding:20px;background:#fff;border-radius:15px}.metrics span,.metrics small{color:var(--muted)}.metrics strong{font-size:30px}.panel{padding:24px;background:#fff;border-radius:18px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.panel-head h2,.panel-head p{margin:0}.panel-head p{margin-top:6px;color:var(--muted);font-size:12px}.panel-head button{padding:10px 13px;color:#fff;background:var(--blue);border:0;border-radius:9px}.admin-row{display:grid;grid-template-columns:90px minmax(170px,1fr) 70px auto;align-items:center;gap:16px;padding:16px 0;border-top:1px solid var(--line)}.admin-row>img{width:90px;aspect-ratio:1.47;object-fit:contain;background:#eef2f5;border-radius:7px}.row-copy{display:grid;gap:5px}.row-copy span{color:var(--muted);font-size:11px}.state{padding:6px 9px;text-align:center;background:#eee;border-radius:20px;font-size:11px}.state.online{color:#087b43;background:#e6f7ef}.row-actions{display:flex;gap:5px}.row-actions button{padding:7px 9px;border:1px solid var(--line);background:#f6f8fa;border-radius:7px}.row-actions 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@media(max-width:1199px){.grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:899px){.grid{grid-template-columns:repeat(2,1fr)}.admin-shell{grid-template-columns:1fr}.admin-shell aside{position:static;height:auto;display:flex;flex-direction:row;align-items:center;overflow:auto}.admin-shell aside img{width:105px;margin:0}.admin-shell aside strong,.admin-shell aside form{display:none}.admin-row{grid-template-columns:72px 1fr}.admin-row>img{width:72px}.state,.row-actions{grid-column:2}.metrics{grid-template-columns:1fr 1fr 1fr}}@media(max-width:599px){.top{width:calc(100% - 24px);height:68px}.top img{width:112px}.catalog{width:calc(100% - 24px);padding:12px 0 30px}.catalog>h1{font-size:20px}.search{height:42px;margin-top:10px}.grid{grid-template-columns:1fr;gap:10px;padding-top:10px}.card{height:150px;display:grid;grid-template-columns:116px minmax(0,1fr);border-radius:14px}.cover{height:150px;aspect-ratio:auto}.card-copy{min-width:0;align-content:center;gap:8px;padding:11px 12px}.card h2{font-size:15px}.card p{font-size:10px}.action{min-height:38px;padding:0 11px;font-size:12px}.viewer-bar{padding:9px 12px}.download{padding:10px 12px;font-size:12px}.pdf-stage{gap:10px;padding:8px 0 18px}.pdf-page{width:100%}.admin-content{padding:22px 12px 50px}.metrics{grid-template-columns:1fr}.panel{padding:16px}.panel-head{align-items:flex-start;gap:12px}.admin-row{gap:10px}.row-actions{flex-wrap:wrap}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}}@media(max-width:389px){.card{height:140px;grid-template-columns:108px minmax(0,1fr)}.cover{height:140px}.card-copy{padding:10px 11px}.card h2{font-size:14px}}
.download{border:0;cursor:pointer}