:root{--bg:#fff;--fg:#1d1d1f;--muted:#6e6e73;--line:#e6e6e8;--soft:#f5f5f7;--blue:#0071e3;--dark:#0a0a0c;--ok:#1aa260;--no:#9a9aa0;--gold:#c79a3a;--gold-bg:rgba(199,154,58,.10);--prem-grad:linear-gradient(135deg,#1d1d1f,#3a3a40)}
*{box-sizing:border-box;-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{font-family:Inter,Noto Sans SC,system-ui,-apple-system,Segoe UI,Roboto,Microsoft YaHei,sans-serif;color:var(--fg);background:var(--bg);line-height:1.65;font-size:15px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
/* header */
header.site{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.site-inner{max-width:1080px;margin:0 auto;padding:11px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{font-weight:600;font-size:16px;letter-spacing:-.3px;color:var(--fg)}
.brand a{color:inherit;text-decoration:none}
.brand .dot{color:var(--blue)}
nav.main{display:flex;gap:18px;font-size:14px}
nav.main a{color:var(--fg)}
.search-mini{flex:1;min-width:160px;position:relative;max-width:260px}
.search-mini input{width:100%;padding:8px 12px 8px 34px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;background:var(--soft)}
.search-mini svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:2}
.spacer{flex:1}
/* hero */
.hero{background:var(--dark);color:#fff;padding:72px 24px 64px;text-align:center}
.hero h1{font-size:clamp(30px,5vw,48px);font-weight:600;letter-spacing:-.6px;margin:0 0 14px}
.hero p{color:#a1a1a6;font-size:clamp(15px,2.2vw,19px);margin:0 auto;max-width:680px}
.hero .search-big{max-width:560px;margin:26px auto 0;position:relative}
.hero .search-big input{width:100%;padding:15px 18px 15px 48px;border:0;border-radius:14px;font-size:16px;background:#fff;color:var(--fg)}
.hero .search-big svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;stroke:var(--muted);fill:none;stroke-width:2}
/* stats */
.stats{max-width:1080px;margin:-40px auto 0;position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:0 24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:0 6px 24px rgba(0,0,0,.05)}
.stat .n{font-size:32px;font-weight:600;letter-spacing:-.6px}
.stat .l{color:var(--muted);font-size:13px;margin-top:3px}
.stat .l .pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);margin-left:6px;vertical-align:middle;animation:pulse 2s infinite}
.stat .l .pulse-date{color:var(--muted);margin-left:4px}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(26,162,96,.4)}50%{opacity:.5;box-shadow:0 0 0 4px rgba(26,162,96,0)}}
/* submission forms */
.submit-section{max-width:720px;margin:0 auto;padding:0 24px}
.submit-tabs{display:flex;gap:0;margin-bottom:0}
.submit-tab{padding:12px 24px;border:1px solid var(--line);border-bottom:0;background:var(--soft);cursor:pointer;font-size:14px;border-radius:12px 12px 0 0;color:var(--muted)}
.submit-tab.active{background:#fff;color:var(--fg);font-weight:600}
.submit-form{background:#fff;border:1px solid var(--line);border-radius:0 12px 12px 12px;padding:24px;display:none}
.submit-form.active{display:block}
.submit-form label{display:block;margin:12px 0 4px;font-size:13px;font-weight:600;color:var(--fg)}
.submit-form input,.submit-form textarea,.submit-form select{width:100%;padding:10px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit}
.submit-form textarea{min-height:80px}
.submit-form button{background:var(--blue);color:#fff;border:0;border-radius:999px;padding:11px 24px;font-size:14px;font-weight:500;cursor:pointer;margin-top:16px}
.submit-form .note{font-size:12px;color:var(--muted);margin-top:12px}
.submit-form .msg{margin-top:10px;font-size:13px}
/* sections */
section.block{max-width:1080px;margin:54px auto;padding:0 24px}
section.block h2{font-size:24px;font-weight:600;letter-spacing:-.4px;margin:0 0 4px}
section.block .sub{color:var(--muted);font-size:14.5px;margin:0 0 22px}
/* cat grid */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.cat-card{border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:block;color:var(--fg);transition:box-shadow .2s,transform .2s}
.cat-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.07);transform:translateY(-2px);text-decoration:none}
.cat-card .cn{font-weight:600;font-size:16px}
.cat-card .cc{color:var(--muted);font-size:13px;margin-top:4px}
/* premium */
.prem-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.prem-card{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;position:relative}
.prem-card .pn{font-size:16.5px;font-weight:600;letter-spacing:-.3px}
.prem-card .pb{color:var(--muted);font-size:13px;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prem-card .pm{margin-top:10px;font-size:12px;color:var(--blue)}
/* list page */
.toolbar{max-width:1180px;margin:24px auto 12px;padding:0 24px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.toolbar .search{flex:1;min-width:220px;position:relative}
.toolbar .search input{width:100%;padding:11px 14px 11px 40px;border:1px solid var(--line);border-radius:12px;font-size:14.5px;background:#fff}
.toolbar .search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--muted);fill:none;stroke-width:2}
.toolbar select{border:1px solid var(--line);border-radius:12px;padding:11px 12px;font-size:14px;background:#fff;color:var(--fg);max-width:220px}
.toolbar select.active{border-color:var(--fg);background:var(--fg);color:#fff;font-weight:600}
.toolbar .toggle{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--muted);cursor:pointer;user-select:none}
.grid{max-width:1180px;margin:8px auto 40px;padding:16px 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 18px 16px;display:flex;flex-direction:column;gap:9px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 8px 30px rgba(0,0,0,.07);transform:translateY(-2px)}
.card .head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.card .name{font-size:17px;font-weight:600;letter-spacing:-.3px}
.card .name a{color:var(--fg)}
.card .row{display:flex;gap:7px;font-size:13.5px;color:var(--muted);align-items:flex-start}
.card .row svg{width:15px;height:15px;flex:0 0 15px;margin-top:3px;stroke:var(--muted);fill:none;stroke-width:2}
.card .row .v{color:var(--fg);word-break:break-word}
.tag{font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap}
.tag.ok{background:rgba(26,162,96,.12);color:var(--ok)}
.tag.no{background:#f0f0f2;color:var(--no)}
/* premium badge */
.premium-badge{display:inline-flex;align-items:center;gap:5px;background:var(--prem-grad);color:#f3d79a;font-size:11px;font-weight:700;letter-spacing:.4px;padding:3px 9px;border-radius:999px;text-transform:uppercase}
.premium-badge svg{width:11px;height:11px;fill:#f3d79a;stroke:#f3d79a}
.card.premium{border-color:var(--gold);box-shadow:0 2px 12px rgba(199,154,58,.08)}
.card.premium:hover{box-shadow:0 8px 30px rgba(199,154,58,.14)}
/* language switcher */
.langs{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.langs a{border:0;background:#fff;padding:5px 12px;font-size:12.5px;cursor:pointer;color:var(--muted);text-decoration:none;line-height:1.6}
.langs a.on{background:var(--fg);color:#fff}
.langs a:hover{text-decoration:none}
.pager{max-width:1180px;margin:0 auto 50px;padding:0 24px;display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap}
.pager button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 16px;cursor:pointer;font-size:13.5px}
.pager button:disabled{opacity:.4;cursor:not-allowed}
.pager .pg{color:var(--muted);font-size:13.5px}
/* detail */
article.detail{max-width:820px;margin:0 auto;padding:36px 24px 60px}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb span{margin:0 8px}
h1.det-title{font-size:30px;font-weight:600;letter-spacing:-.6px;margin:0 0 10px;line-height:1.2}
.badges{display:flex;gap:8px;margin-bottom:24px}
.badges .tag{font-size:12px;padding:4px 11px}
section.fs{margin-top:30px}
section.fs h2{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:0 0 10px}
section.fs .fv{font-size:15.5px;line-height:1.7}
.kv{display:grid;grid-template-columns:160px 1fr;gap:8px 18px;font-size:14.5px}
.kv .k{color:var(--muted)}
.kv .v{color:var(--fg);word-break:break-word}
.related{max-width:1080px;margin:0 auto;padding:30px 24px 60px}
.related h2{font-size:20px;font-weight:600;margin:0 0 18px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.rel-card{border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.rel-card .rn{font-weight:600;font-size:14.5px}
.rel-card .rc{color:var(--muted);font-size:12.5px;margin-top:3px}
.cta{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin:34px 0;max-width:820px;margin-left:auto;margin-right:auto}
.cta h3{margin:0 0 6px;font-size:18px;font-weight:600}
.cta p{margin:0 0 14px;color:var(--muted);font-size:14px}
.cta .btn{display:inline-block;background:var(--blue);color:#fff;padding:10px 20px;border-radius:999px;font-size:14px;font-weight:500}
/* footer */
footer.site{background:var(--soft);border-top:1px solid var(--line);padding:30px 24px 22px;color:var(--muted);font-size:13px;margin-top:60px}
.foot-inner{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1.1fr;gap:28px}
.foot-col h4{margin:0 0 10px;font-size:13px;font-weight:600;color:var(--fg)}
.foot-desc{font-size:13.5px;line-height:1.6;color:var(--fg)}
.foot-list{display:grid;grid-template-columns:1fr 1fr;gap:9px 18px}
.foot-list .ci{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--fg)}
.foot-list .ci svg{width:15px;height:15px;flex:0 0 15px;stroke:var(--blue);fill:none;stroke-width:2}
.foot-note{margin-top:20px;border-top:1px solid var(--line);padding-top:14px;color:var(--muted);font-size:12.5px;max-width:1080px;margin-left:auto;margin-right:auto}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}.foot-inner{grid-template-columns:1fr}.kv{grid-template-columns:1fr}}
/* admin */
.admin-login{max-width:390px;margin:80px auto;padding:32px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,.06)}
.admin-login h2{font-size:22px;font-weight:600;margin:0 0 20px;text-align:center}
.admin-login input{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;margin-bottom:12px}
.admin-login button,.admin-btn{background:var(--blue);color:#fff;border:0;border-radius:10px;padding:11px 20px;font-size:14px;font-weight:500;cursor:pointer}
.admin-login .err{color:#e03;font-size:12.5px;text-align:center;margin-top:8px}
#admin-app{padding:0 24px;max-width:1280px;margin:0 auto}
.admin-top{display:flex;align-items:center;justify-content:space-between;padding:20px 0;border-bottom:1px solid var(--line);margin-bottom:24px;flex-wrap:wrap;gap:12px}
.admin-top h1{font-size:22px;font-weight:600;margin:0}
.admin-top .right{display:flex;gap:8px;flex-wrap:wrap}
.admin-btn.outline{background:#fff;color:var(--fg);border:1px solid var(--line)}
.admin-btn.danger{background:#e03}
.admin-btn.small{padding:7px 12px;font-size:12.5px}
.admin-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:28px}
.admin-stat{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.admin-stat .an{font-size:28px;font-weight:600}
.admin-stat .al{font-size:12.5px;color:var(--muted);margin-top:2px}
.admin-toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.admin-toolbar input,.admin-toolbar select{border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:13.5px}
.admin-toolbar input{flex:1;min-width:200px}
.admin-tbl{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.admin-tbl-row{display:grid;grid-template-columns:1.6fr 1fr 1fr .9fr .7fr 60px;gap:8px;padding:10px 14px;font-size:13.5px;align-items:center;border-bottom:1px solid var(--line)}
.admin-tbl-row:last-child{border-bottom:0}
.admin-tbl-row.head{background:var(--soft);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;color:var(--muted)}
.admin-tbl-row .ell{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.admin-tbl-row .act{display:flex;gap:5px}
.admin-empty{text-align:center;padding:40px;color:var(--muted);font-size:14px}
/* modal */
.admin-mask{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:100;display:flex;align-items:center;justify-content:center;padding:24px}
.admin-mdl{background:#fff;border-radius:18px;max-width:640px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:0 16px 60px rgba(0,0,0,.15)}
.admin-mdl-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.admin-mdl-head h3{margin:0;font-size:17px}
.admin-mdl-close{width:28px;height:28px;border:0;background:var(--soft);border-radius:50%;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center}
.admin-mdl-body{padding:18px 22px}
.admin-mdl-body label{display:block;font-size:12.5px;font-weight:600;margin:10px 0 3px;color:var(--muted)}
.admin-mdl-body input,.admin-mdl-body textarea,.admin-mdl-body select{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;font-family:inherit}
.admin-mdl-body textarea{min-height:60px;resize:vertical}
.admin-mdl-foot{padding:14px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}
.admin-toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);background:var(--dark);color:#fff;padding:12px 22px;border-radius:10px;font-size:13.5px;z-index:200;box-shadow:0 6px 24px rgba(0,0,0,.2);animation:toastIn .3s ease}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.admin-pwd-change{max-width:440px;margin:24px auto;padding:20px;border:1px solid var(--line);border-radius:12px}
.admin-pwd-change h3{margin:0 0 14px;font-size:16px}
.admin-pwd-change input{margin-bottom:10px}
.admin-pwd-change .hint{font-size:12px;color:var(--muted);margin-bottom:10px}