@font-face{font-family:DingTalk-JinBuTi;src:url(./DingTalk-JinBuTi.ttf) format("truetype"),url(./DingTalk-JinBuTi.woff2) format("woff2"),local("DingTalk JinBuTi"),local("DingTalk-JinBuTi"),local("钉钉进步体");font-display:swap}:root{--primary-color: #475569;--primary-hover: #0f172a;--bg-color: #f8fafc;--card-bg: #ffffff;--text-main: #0f172a;--text-sub: #64748b;--border-color: #e2e8f0;--border-hover: #cbd5e1;--radius: 8px;--max-width: 1200px}*{box-sizing:border-box;margin:0;padding:0}html,body,#app,.app-container{min-height:100vh}body{font-family:DingTalk-JinBuTi,DingTalk JinBuTi,钉钉进步体,HarmonyOS Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;min-height:100vh}#loading-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:var(--bg-color);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:9999;transition:opacity .4s ease,visibility .4s ease}#loading-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}.loading-spinner{width:38px;height:38px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}.loading-text{font-size:.9rem;color:var(--text-sub);letter-spacing:1px}@keyframes spin{to{transform:rotate(360deg)}}header{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100;width:100%}.header-container{max-width:var(--max-width);margin:0 auto;padding:0 15px;height:60px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--primary-color);text-decoration:none}.logo svg{width:26px;height:26px;fill:currentColor}.nav-menu{display:flex;gap:24px;list-style:none}.nav-menu a{text-decoration:none;color:var(--text-sub);font-size:.95rem;font-weight:400;transition:color .2s}.nav-menu a:hover{color:var(--primary-color)}main{max-width:var(--max-width);width:100%;margin:0 auto;padding:30px 15px;flex:1}.search-container{max-width:680px;margin:10px auto 40px}.search-box{display:flex;align-items:center;background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:0 2px 4px #00000005;transition:border-color .2s,box-shadow .2s;position:relative;height:46px}.search-box:focus-within{border-color:var(--primary-color);box-shadow:0 3px 10px #0000000f}.custom-select{position:relative;-webkit-user-select:none;user-select:none;height:100%}.select-trigger{display:flex;align-items:center;gap:6px;height:100%;padding:0 14px;cursor:pointer;border-right:1px solid var(--border-color);font-size:.9rem;font-weight:400;color:var(--text-main);background:transparent;border-top-left-radius:var(--radius);border-bottom-left-radius:var(--radius);transition:background .15s}.select-trigger:hover{background-color:#f1f5f9}.engine-icon{width:18px;height:18px;object-fit:contain}.arrow{border:solid var(--text-sub);border-width:0 2px 2px 0;display:inline-block;padding:2.5px;transform:rotate(45deg);margin-left:2px;transition:transform .2s}.custom-select.open .arrow{transform:rotate(-135deg)}.select-options{position:absolute;top:calc(100% + 6px);left:0;background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:0 10px 20px #0000001a;padding:6px;width:120px;display:none;z-index:200}.custom-select.open .select-options{display:block}.option-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:.9rem;color:var(--text-main);transition:background .15s}.option-item:hover{background-color:#f1f5f9;color:var(--primary-color)}.search-input{flex:1;border:none;height:100%;padding:0 16px;font-size:.95rem;font-family:inherit;outline:none;background:transparent;color:var(--text-main)}.search-btn{border:none;background:transparent;color:var(--text-sub);width:46px;height:100%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:color .2s,background-color .2s;flex-shrink:0;border-top-right-radius:var(--radius);border-bottom-right-radius:var(--radius)}.search-btn:hover{color:var(--primary-hover);background-color:#f1f5f9}.search-btn svg{width:20px;height:20px;fill:currentColor}.category{margin-bottom:35px}.category-title{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--text-main);display:flex;align-items:center;gap:8px}.category-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--primary-color)}.category-icon svg{width:100%;height:100%;fill:currentColor}.card-grid{display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}@media (min-width: 1024px){.card-grid{grid-template-columns:repeat(6,1fr);gap:16px}}@media (min-width: 640px) and (max-width: 1023px){.card-grid{grid-template-columns:repeat(4,1fr);gap:14px}}.card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);padding:12px 10px;text-decoration:none;color:inherit;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;align-items:center;overflow:hidden;position:relative}.card:hover{transform:translateY(-2px);box-shadow:0 4px 10px #0000000d;border-color:var(--border-hover)}.card-content{display:flex;align-items:center;gap:8px;width:100%}.card-icon{width:20px;height:20px;border-radius:4px;flex-shrink:0;object-fit:cover}.card-title{font-size:.95rem;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-main)}.badge{position:absolute;top:0;right:0;background-color:#ef4444;color:#fff;font-size:.6rem;font-weight:400;padding:2px 5px;border-bottom-left-radius:6px;line-height:1;z-index:2}.card.border-red{border-color:#fca5a5}.card.border-red:hover{border-color:#ef4444}footer{background-color:var(--card-bg);border-top:1px solid var(--border-color);padding:25px 0;margin-top:auto;width:100%}.footer-container{max-width:var(--max-width);margin:0 auto;padding:0 15px;text-align:center}.footer-links{margin-bottom:12px;display:flex;justify-content:center;gap:15px;flex-wrap:wrap}.footer-links a{color:var(--text-sub);text-decoration:none;font-size:.85rem}.footer-links a:hover{color:var(--primary-color)}.site-info{color:var(--text-sub);font-size:.8rem;line-height:1.5}