:root{--bg:#f5f7fb;--panel:#fff;--line:#e7ebf2;--text:#1f2937;--muted:#7b8798;--blue:#2563eb;--blue2:#eaf1ff;--shadow:0 10px 30px rgba(31,41,55,.07)}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg)}
button,input,select{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit}
.topbar{height:68px;background:#171b22;color:#fff;display:flex;align-items:center;padding:0 28px;gap:28px;position:sticky;top:0;z-index:20;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.brand{display:flex;align-items:center;gap:10px;min-width:190px}.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#2f6df6,#5b8cff);display:grid;place-items:center;font-weight:800;font-size:19px}.brand strong{display:block;font-size:18px;line-height:18px}.brand small{font-size:8px;letter-spacing:1.6px;color:#9da7b8}
.top-search{height:42px;max-width:650px;flex:1;background:#232933;border:1px solid #323a48;border-radius:10px;display:flex;align-items:center;padding:0 13px;color:#8793a7}.top-search span{font-size:24px;margin-right:8px}.top-search input{background:transparent;border:0;outline:0;color:#fff;width:100%;font-size:14px}.top-search input::placeholder{color:#7f8a9b}.top-search kbd{font-size:11px;color:#8d98a9;border:1px solid #414a5a;border-radius:5px;padding:3px 6px;white-space:nowrap}.top-actions{display:flex;gap:8px}.top-actions button{color:#cbd3df;border:1px solid #343c49;border-radius:8px;padding:9px 12px;font-size:13px}.top-actions button:hover{background:#242b36;color:#fff}
.layout{display:flex;max-width:1500px;margin:0 auto;min-height:calc(100vh - 68px)}.sidebar{width:230px;background:#fff;border-right:1px solid var(--line);padding:26px 14px;position:sticky;top:68px;height:calc(100vh - 68px)}.side-title{font-size:12px;font-weight:700;color:#98a2b2;padding:0 12px 12px}.cat{width:100%;height:42px;display:flex;align-items:center;gap:10px;border-radius:8px;padding:0 11px;color:#5d6878;text-align:left;font-size:13px;margin:2px 0}.cat span{width:22px;text-align:center;color:#8994a5}.cat b{margin-left:auto;font-size:11px;font-weight:500;color:#a2adbc}.cat:hover{background:#f3f6fa;color:#263244}.cat.active{background:#edf3ff;color:var(--blue);font-weight:700}.cat.active span,.cat.active b{color:var(--blue)}.side-note{margin:28px 8px 0;padding:14px;border:1px solid #e7edf7;border-radius:10px;background:#f8faff}.side-note strong{font-size:12px}.side-note p{font-size:11px;line-height:1.7;color:#8792a3;margin:8px 0 0}
.main{flex:1;min-width:0;padding:28px 30px 60px}.hero{background:linear-gradient(135deg,#18202c,#25354d);border-radius:18px;padding:30px 34px;color:#fff;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}.eyebrow{font-size:10px;letter-spacing:2.2px;color:#aab9cf;font-weight:700}.hero h1{font-size:30px;margin:10px 0 6px;letter-spacing:-.5px}.hero p{margin:0;color:#b9c6d8;font-size:13px}.hero-stats{display:flex;gap:38px;padding-right:10px}.hero-stats div{text-align:right}.hero-stats strong{display:block;font-size:26px}.hero-stats span{font-size:11px;color:#aab8ca}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin:24px 0 16px}.crumb{font-size:13px;color:#8993a3}.crumb span{margin:0 8px;color:#b1b9c6}.crumb strong{color:#2d3748}.filters{display:flex;gap:7px;align-items:center}.provider{height:34px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:0 11px;font-size:12px;color:#667386}.provider:hover{border-color:#cbd7eb}.provider.active{background:#edf3ff;color:var(--blue);border-color:#d4e1ff;font-weight:700}.filters select{height:34px;border:1px solid var(--line);border-radius:7px;background:#fff;padding:0 10px;color:#667386;font-size:12px;outline:0;margin-left:5px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;gap:13px;min-height:138px;transition:.18s;box-shadow:0 3px 10px rgba(31,41,55,.025)}.card:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(31,41,55,.08);border-color:#d9e2f0}.icon{width:52px;height:52px;flex:0 0 52px;border-radius:13px;overflow:hidden}.icon img{display:block;width:100%;height:100%}.card-main{min-width:0;flex:1}.card-top{display:flex;gap:8px;align-items:center}.card h3{font-size:15px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{font-size:10px;padding:3px 6px;border-radius:5px;background:#f2f5f9;color:#758196;white-space:nowrap}.desc{font-size:11px;color:#8994a4;margin:8px 0;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:9px}.providers{display:flex;gap:4px}.pmini{font-size:10px;padding:4px 6px;border-radius:5px;background:#f4f6f9;color:#64748b}.pmini.x{color:#2563eb;background:#edf3ff}.pmini.q{color:#374151;background:#f1f2f4}.pmini.b{color:#1479ff;background:#edf7ff}.open-btn{font-size:11px;color:var(--blue);font-weight:700;padding:5px 0}.load-more{display:block;margin:25px auto 0;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 24px;color:#5e6a7d;font-size:12px}.load-more:hover{border-color:#c6d4ec;color:var(--blue)}.empty{text-align:center;padding:90px 20px;color:#8994a4}.empty>div{font-size:40px}.empty h3{margin:12px 0 5px;color:#4b5563}.empty p{font-size:12px}.hidden{display:none!important}
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center}.mask{position:absolute;inset:0;background:rgba(16,23,35,.65);backdrop-filter:blur(3px)}.dialog{position:relative;width:min(680px,calc(100vw - 32px));max-height:88vh;overflow:auto;background:#fff;border-radius:18px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.25);z-index:1}.close{position:absolute;right:18px;top:15px;font-size:26px;color:#94a0b0}.dialog-head{display:flex;gap:16px;padding-right:25px}.dialog-head img{width:64px;height:64px;border-radius:16px}.dialog-cat{font-size:11px;color:var(--blue);font-weight:700;margin:2px 0 5px}.dialog h2{margin:0;font-size:23px}.dialog-head p{margin:7px 0 0;color:#8792a3;font-size:12px;line-height:1.6}.meta{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 10px}.meta span{background:#f4f6f8;border-radius:6px;padding:6px 9px;color:#6c788a;font-size:11px}.tags{display:flex;gap:6px;margin-bottom:20px}.tags span{border:1px solid #e3e8ef;border-radius:5px;padding:4px 7px;color:#788598;font-size:10px}.download-title{font-size:13px;font-weight:700;margin:10px 0}.download-list{display:grid;gap:8px}.download-item{display:flex;align-items:center;gap:10px;border:1px solid #e5eaf1;border-radius:10px;padding:10px 12px;text-decoration:none;color:#273244;background:#fff}.download-item:hover{border-color:#cbd8ec;background:#f8fbff}.download-item img{width:34px;height:34px;border-radius:9px}.download-item .provider-name{font-size:13px;font-weight:700}.download-item .provider-desc{font-size:10px;color:#8a95a5;margin-top:2px}.download-item .go{margin-left:auto;color:var(--blue);font-size:12px;font-weight:700}.modal-foot{margin-top:14px;color:#9aa4b2;font-size:10px;line-height:1.6}
@media(max-width:1100px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{width:205px}.top-actions{display:none}}
@media(max-width:760px){.topbar{padding:0 14px;height:60px}.brand{min-width:auto}.brand div{display:none}.top-search{height:38px}.top-search kbd{display:none}.layout{display:block}.sidebar{position:static;width:100%;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:10px;display:flex;gap:5px;overflow:auto}.side-title,.side-note{display:none}.cat{min-width:max-content;width:auto;padding:0 10px}.cat b{display:none}.main{padding:16px}.hero{padding:22px;display:block}.hero h1{font-size:25px}.hero-stats{margin-top:20px;justify-content:space-between;padding:0}.hero-stats div{text-align:left}.hero-stats strong{font-size:20px}.toolbar{display:block}.filters{margin-top:12px;flex-wrap:wrap}.grid{grid-template-columns:1fr}.dialog{padding:22px}.dialog h2{font-size:19px}}