Impact Wrench

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/* 基础变量与重置 */ :root { --ac-red: #871525; --ac-red-hover: #a11a2d; --ac-gray-bg: #f8f9fa; --ac-text: #333333; --ac-border: #e0e0e0; } .ac-collection-optimized { max-width: 1100px; margin: 0 auto; padding: 20px; font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--ac-text); line-height: 1.6; } /* 头部引导区 */ .ac-intro-box { margin-bottom: 50px; border-bottom: 1px solid var(--ac-border); padding-bottom: 30px; } .ac-intro-box .lead-text { font-size: 1.25rem; color: #111; margin-bottom: 15px; } .ac-intro-box strong { color: var(--ac-red); } /* 标题排版 */ .ac-collection-optimized h2 { font-size: 1.75rem; color: #111; margin: 60px 0 30px; padding-left: 15px; border-left: 5px solid var(--ac-red); text-transform: uppercase; letter-spacing: 0.5px; } .ac-collection-optimized h3 { font-size: 1.3rem; color: var(--ac-red); margin: 35px 0 15px; } /* 特性布局：自适应网格 */ .ac-feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 40px; } .ac-feature-card { background: #fff; padding: 25px; border: 1px solid var(--ac-border); border-radius: 8px; transition: transform 0.3s ease, box-shadow 0.3s ease; } .ac-feature-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(135, 21, 37, 0.1); } /* 列表样式优化 */ .ac-collection-optimized ul { list-style: none; padding-left: 0; margin: 20px 0; } .ac-collection-optimized ul li { position: relative; padding-left: 25px; margin-bottom: 10px; } .ac-collection-optimized ul li::before { content: '→'; position: absolute; left: 0; color: var(--ac-red); font-weight: bold; } /* FAQ 现代折叠面板 */ .ac-faq-wrapper { background: var(--ac-gray-bg); padding: 40px; border-radius: 12px; } .ac-faq-item { border-bottom: 1px solid var(--ac-border); margin-bottom: 10px; } .ac-faq-item h3 { font-size: 1.1rem; cursor: pointer; margin: 0; padding: 20px 0; color: #111; } /* 移动端微调 */ @media (max-width: 768px) { .ac-collection-optimized h2 { font-size: 1.4rem; } .ac-fe