:root{
  --primary:#4e46d8;--primary-dark:#2f2a95;--primary-soft:#eeedff;--accent:#6e66ef;
  --bg:#f5f6fb;--surface:#fff;--surface-2:#fafaff;--text:#22243b;--muted:#7b8098;
  --line:#e9eaf2;--success:#19a866;--warning:#f59e0b;--danger:#dc4c64;--shadow:0 18px 45px rgba(40,42,85,.08);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:15px}
a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.container{width:min(1180px,94%);margin:0 auto}.narrow{width:min(720px,94%);margin:0 auto}.muted{color:var(--muted)}.hidden{display:none!important}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:11px 17px;cursor:pointer;font-weight:650;transition:.2s;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 8px 20px rgba(78,70,216,.22)}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}.btn-danger{background:#fff0f2;color:var(--danger);border:1px solid #ffd8df}.btn-small{padding:8px 12px;font-size:13px}.icon-btn{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.card-pad{padding:24px}.alert{padding:13px 15px;border-radius:12px;margin:14px 0}.alert-success{background:#e9f9f1;color:#13764a;border:1px solid #c9f0dd}.alert-error{background:#fff0f2;color:#a52b43;border:1px solid #ffd9df}.empty{padding:50px 24px;text-align:center;color:var(--muted)}
.site-header{background:linear-gradient(120deg,#25206f,#4d42d5 62%,#6b60ef);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 8px 30px rgba(36,31,114,.2)}.header-inner{height:76px;display:flex;align-items:center;gap:30px}.brand-wrap{display:flex;align-items:center;gap:12px;min-width:260px}.brand-mark{width:44px;height:44px;border-radius:15px;background:rgba(255,255,255,.16);display:grid;place-items:center;border:1px solid rgba(255,255,255,.24);font-size:24px}.brand-title{font-size:21px;font-weight:800}.brand-subtitle{font-size:12px;opacity:.78;margin-top:2px}.site-nav{display:flex;gap:4px;align-items:center}.site-nav a{padding:10px 14px;border-radius:9px;color:rgba(255,255,255,.82);font-weight:650}.site-nav a:hover,.site-nav a.active{background:rgba(255,255,255,.14);color:#fff}.header-search{margin-left:auto;display:flex;min-width:300px}.header-search input{border:0;border-radius:10px 0 0 10px;padding:11px 14px;width:100%;outline:none}.header-search button{border-radius:0 10px 10px 0}.mobile-toggle{display:none;margin-left:auto;background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.2)}
.hero{padding:28px 0 16px}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.hero-card{min-height:164px;padding:24px;position:relative;overflow:hidden}.hero-card::after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:linear-gradient(145deg,rgba(78,70,216,.16),rgba(110,102,239,.02));right:-40px;bottom:-70px}.hero-label{color:var(--primary);font-weight:750;display:flex;align-items:center;gap:8px}.hero-title{font-size:28px;font-weight:850;margin:13px 0 7px}.hero-text{color:var(--muted);line-height:1.75}.storage-line{display:flex;justify-content:space-between;gap:10px;margin-top:20px;color:var(--muted);font-size:13px}.progress{height:9px;background:#ececf8;border-radius:99px;overflow:hidden;margin-top:9px}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#8078ff);border-radius:99px}.notice-list{margin:14px 0 0;padding:0;list-style:none}.notice-list li{padding:7px 0;color:var(--muted);display:flex;gap:9px}.notice-list li::before{content:"•";color:var(--primary);font-weight:900}
.section{margin:18px 0}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:12px}.section-title{font-size:19px;font-weight:820}.category-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.category-tabs a{padding:9px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-weight:650}.category-tabs a.active,.category-tabs a:hover{background:var(--primary-soft);border-color:#d9d5ff;color:var(--primary)}.breadcrumb{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;flex-wrap:wrap}.breadcrumb a{color:var(--primary)}
.resource-card{overflow:hidden}.resource-head,.resource-row{display:grid;grid-template-columns:minmax(280px,1.5fr) minmax(180px,1fr) 110px 145px 110px;gap:16px;align-items:center}.resource-head{padding:13px 20px;background:#fafaff;color:var(--muted);font-size:13px;border-bottom:1px solid var(--line)}.resource-row{padding:15px 20px;border-bottom:1px solid var(--line);transition:.18s}.resource-row:last-child{border-bottom:0}.resource-row:hover{background:#fcfcff}.resource-main{display:flex;align-items:center;min-width:0;gap:12px}.resource-icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;font-size:19px;background:#fff4cf}.resource-icon.file{background:#edf0ff;color:var(--primary)}.resource-name{font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resource-desc,.resource-meta{color:var(--muted);font-size:13px}.badge{display:inline-flex;align-items:center;margin-left:7px;padding:2px 7px;border-radius:99px;font-size:10px;font-weight:800;vertical-align:2px}.badge-new{background:#fff0e7;color:#f05a25;border:1px solid #ffd5c4}.badge-hot{background:#fff0f2;color:#d9304f;border:1px solid #ffd5dc}.badge-private{background:#efedff;color:var(--primary);border:1px solid #d9d5ff}.download-count{color:var(--primary);font-weight:750}.private-zone{margin-top:14px;padding:17px 20px;background:linear-gradient(90deg,#f3f1ff,#faf9ff);border:1px solid #e2deff;border-radius:15px;display:flex;align-items:center;gap:13px}.private-zone strong{color:var(--primary)}.private-zone .btn{margin-left:auto}.usage-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.usage-item{padding:17px;background:#fff;border:1px solid var(--line);border-radius:15px;display:flex;gap:12px;align-items:center}.usage-icon{width:40px;height:40px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:19px}.usage-title{font-weight:750}.usage-sub{font-size:12px;color:var(--muted);margin-top:4px}.limit-tip{padding:14px 17px;border-radius:14px;background:#eef3ff;color:#3c4d86;margin:18px 0;border:1px solid #dfe7ff}.site-footer{margin-top:28px;background:#201b66;color:rgba(255,255,255,.72);padding:28px 0}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer-links{display:flex;gap:18px}.mobile-bottom{display:none}
.form-card{padding:26px}.form-grid{display:grid;gap:17px}.form-grid.two{grid-template-columns:1fr 1fr}.field label,.form-grid>label{display:grid;gap:8px;font-weight:680}.field small{color:var(--muted)}input,select,textarea{width:100%;padding:12px 14px;border:1px solid #dde0eb;border-radius:11px;background:#fff;color:var(--text);outline:none;transition:.2s}input:focus,select:focus,textarea:focus{border-color:#aaa4ff;box-shadow:0 0 0 4px rgba(78,70,216,.08)}textarea{min-height:100px;resize:vertical}.checkbox{display:flex!important;align-items:center;gap:9px}.checkbox input{width:auto}.upload-drop{border:1.5px dashed #c9c6f4;border-radius:16px;padding:34px;text-align:center;background:#fafaff}.upload-drop input{margin-top:14px}.hash{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;word-break:break-all;color:var(--muted)}
.login-page{min-height:100vh;display:grid;place-items:center;padding:30px;background:radial-gradient(circle at 20% 20%,#ebe9ff 0,transparent 30%),linear-gradient(135deg,#f8f8ff,#eff0f9)}.login-card{width:min(440px,100%);padding:32px}.login-logo{width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:grid;place-items:center;font-size:27px;box-shadow:0 12px 25px rgba(78,70,216,.25)}
.admin-body{background:#f1f3f8}.admin-shell{min-height:100vh;display:grid;grid-template-columns:238px 1fr}.admin-sidebar{background:linear-gradient(180deg,#171a35,#252657);color:#fff;padding:20px 15px;position:sticky;top:0;height:100vh}.admin-brand{padding:7px 10px 22px;display:flex;align-items:center;gap:11px}.admin-brand .brand-mark{width:38px;height:38px;border-radius:12px}.admin-brand strong{font-size:17px}.admin-menu{display:grid;gap:5px}.admin-menu a{display:flex;gap:11px;align-items:center;padding:11px 13px;border-radius:10px;color:rgba(255,255,255,.72)}.admin-menu a:hover,.admin-menu a.active{background:linear-gradient(90deg,#4d48d2,#615af0);color:#fff}.admin-main{min-width:0}.admin-topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:12}.admin-content{padding:25px}.admin-title{font-size:23px;font-weight:850;margin:0}.admin-subtitle{color:var(--muted);font-size:13px;margin-top:5px}.admin-user{display:flex;align-items:center;gap:10px}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);font-weight:850}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.stat-card{padding:20px;display:flex;align-items:center;gap:15px}.stat-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);font-size:22px}.stat-value{font-size:25px;font-weight:850}.stat-label{color:var(--muted);font-size:13px;margin-top:3px}.dashboard-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:16px}.panel{padding:20px}.panel-title{font-size:16px;font-weight:820;margin-bottom:15px}.rank-list{display:grid;gap:12px}.rank-item{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center}.rank-no{width:25px;height:25px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:12px;font-weight:850}.admin-table-wrap{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:auto;box-shadow:var(--shadow)}.admin-table{width:100%;border-collapse:collapse;min-width:720px}.admin-table th,.admin-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.admin-table th{background:#fafaff;color:var(--muted);font-weight:700}.admin-table tr:last-child td{border-bottom:0}.table-actions{display:flex;gap:7px;flex-wrap:wrap}.page-actions{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:18px 0;flex-wrap:wrap}.filter-form{display:flex;gap:9px;min-width:320px}.filter-form input{min-width:220px}.trash-summary{display:flex;gap:14px;flex-wrap:wrap;margin:15px 0}.summary-pill{padding:10px 13px;border-radius:10px;background:#fff;border:1px solid var(--line);color:var(--muted)}
@media(max-width:980px){.site-nav,.header-search{display:none}.mobile-toggle{display:inline-flex}.site-nav.is-open{display:flex;position:absolute;left:3%;right:3%;top:70px;background:#342d9c;padding:10px;border-radius:13px;flex-direction:column;align-items:stretch}.site-nav.is-open a{width:100%}.hero-grid{grid-template-columns:1fr}.usage-strip{grid-template-columns:repeat(2,1fr)}.resource-head{display:none}.resource-row{grid-template-columns:1fr 120px 100px}.resource-row>.resource-desc-col{display:none}.admin-shell{grid-template-columns:82px 1fr}.admin-sidebar{padding:15px 9px}.admin-brand strong,.admin-menu span.label{display:none}.admin-brand{justify-content:center}.admin-menu a{justify-content:center;font-size:18px}.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}}
@media(max-width:680px){body{padding-bottom:70px}.container{width:94%}.site-header{position:relative}.header-inner{height:66px}.brand-wrap{min-width:0}.brand-mark{width:39px;height:39px}.brand-title{font-size:18px}.brand-subtitle{font-size:11px}.hero{padding-top:15px}.hero-card{padding:18px;min-height:0}.hero-title{font-size:23px}.resource-card{border-radius:15px}.resource-row{display:grid;grid-template-columns:1fr auto;padding:14px}.resource-row>.resource-size,.resource-row>.resource-date{display:none}.resource-row>.resource-action{grid-column:2;grid-row:1;align-self:center}.resource-main{padding-right:6px}.resource-name{white-space:normal}.resource-meta.mobile{display:block;margin-top:5px}.private-zone{align-items:flex-start;flex-wrap:wrap}.private-zone .btn{margin-left:0}.usage-strip{grid-template-columns:1fr 1fr}.usage-item{padding:14px;display:block}.usage-icon{margin-bottom:9px}.footer-inner{display:block;text-align:center}.footer-links{justify-content:center;margin-top:12px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:30}.mobile-bottom a{padding:10px 4px;text-align:center;color:var(--muted);font-size:11px}.mobile-bottom b{display:block;font-size:19px;color:var(--primary);margin-bottom:2px}.form-grid.two{grid-template-columns:1fr}.admin-shell{display:block}.admin-sidebar{position:static;height:auto}.admin-brand{justify-content:flex-start}.admin-brand strong{display:block}.admin-menu{grid-template-columns:repeat(4,1fr)}.admin-menu a{padding:9px 4px;display:grid;text-align:center;font-size:16px}.admin-menu span.label{display:block!important;font-size:10px}.admin-topbar{padding:0 15px}.admin-content{padding:15px}.stats-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:14px;display:block}.stat-icon{margin-bottom:9px}.stat-value{font-size:21px}.page-actions{align-items:stretch}.filter-form{min-width:0;width:100%}.filter-form input{min-width:0}.card-pad{padding:18px}}