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/* 第三版视觉细节：保持品牌色与深色基调，调整信息层次 */
.page-hero{position:relative;padding-top:18px}
.page-hero:after{content:"";display:block;width:58px;height:2px;background:#F45132;margin-top:20px}
.card,.panel,.qa{background:linear-gradient(145deg,#1a1f29,#171b23)}
.section-head h2{margin-bottom:0}.eyebrow{font-weight:700}
@media(max-width:680px){.page-hero:after{width:44px}.section{padding:24px 0}}