body{font-family:Arial,"Microsoft YaHei",sans-serif;background:#eef3f8}
.search-panel{min-width:0}.search-tabs{max-width:100%}
@media(max-width:680px){.search-tabs{gap:0}.search-tabs button{min-width:0;flex:1;padding:0 5px;font-size:12px}.search-box{display:flex;flex-wrap:wrap}.search-box input{width:100%;flex-basis:100%;min-height:40px}.search-box button{width:100%;margin:0}.quick-links{gap:6px}}
.topbar{height:64px;background:#4f85f5;border:0;backdrop-filter:none}
.brand{color:#fff}.brand-mark{background:#fff;color:#4f85f5}
.category-rail{top:94px;max-height:calc(100vh - 110px);overscroll-behavior:contain;scrollbar-width:thin}
.category-rail button:not(.active):hover{background:transparent;color:#3776df;box-shadow:none}
.category-rail button:not(.active):hover .nav-icon{color:inherit}
.category-rail button.active,.category-rail button.active:hover{background:#ff6500;color:white;box-shadow:none}
.search-stage{margin-top:30px;border-radius:10px;min-height:290px;padding:42px 32px 34px}
.search-stage h1{font-size:36px;letter-spacing:0;margin:4px 0 26px}
.search-panel{max-width:815px;margin:auto}.search-box{box-shadow:none;height:48px}
.search-box input{font-size:14px}.search-box button{background:#ff6500;border-radius:0 6px 6px 0}
.directory-shell{margin-top:30px}.directory-content>.section-heading{display:none}
.category-title{margin-bottom:20px}.category-title h3{font-size:21px}.category-title span{color:#8e99a4;font-size:12px}
.tool-category{margin-bottom:36px}.tool-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
.tool-card{display:block;position:relative;min-height:104px;padding:14px;border:0;border-radius:11px;box-shadow:none;transition:box-shadow .15s}
.tool-card:hover{transform:none;box-shadow:0 5px 18px #24446c12}
.tool-icon{float:left;width:28px;height:28px;margin:0 10px 8px 0;border-radius:50%;background:transparent!important}
.tool-icon img{inset:0;width:28px;height:28px;border-radius:50%;background:white}
.tool-icon i{font-size:11px}.tool-card h4{height:28px;line-height:28px;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0 0 8px}
.tool-card p{clear:both;font-size:12px;line-height:1.6;color:#888;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.matrix-card{grid-template-columns:48px minmax(0,1fr);border:0;border-radius:11px;padding:22px;box-shadow:none}.matrix-card>b{display:none}
.matrix-icon{width:48px;height:48px;border-radius:12px}.section-kicker{display:none}
.matrix-section,.insights-section,.channel-section{margin-top:44px}.channel-section{padding:30px;border-radius:12px}
@media(max-width:1400px){.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}}
@media(max-width:1000px){.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-rail{max-height:none}.search-stage{padding:30px 24px;min-height:250px}}
@media(max-width:680px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.search-stage h1{font-size:25px}.search-stage{padding:24px 16px}.tool-card{padding:12px}.tool-card h4{font-size:14px}.search-box{height:auto}.channel-section{padding:20px}}