/* 
 * 黄色仓库 资源·仓库·内容集合 原创样式
 * 颜色方案：工业黑 #111、金属灰 #222、赛道橙 #fbc02d、霓虹红 #f57f17
 */
:root {
  --c-bg: #131004;
  --c-bg2: #1d1a0e;
  --c-card: #201c08;
  --c-card2: #2a2612;
  --c-primary: #fbc02d;
  --c-accent: #f57f17;
  --c-text: #e0e0e0;
  --c-text2: #999;
  --c-border: rgba(255,255,255,0.08);
  --radius: 8px;
  --trans: 0.3s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--c-primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* 懒加载 */
img[data-src] { opacity: 0; transition: opacity 0.5s; }
img.loaded { opacity: 1; }

/* 头部 */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,12,0.95); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  contain: layout style;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; height: 70px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.m8bqtdo {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff; font-weight: 900; font-size: 24px; font-style: italic;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: 4px; transform: skewX(-10deg);
}
.yf2hfd { font-size: 20px; font-weight: 700; letter-spacing: 1px; }

.main-nav { display: flex; gap: 30px; }
.nav-link { font-size: 15px; font-weight: 500; position: relative; }
.nav-link.kvwt975 { color: var(--c-primary); }
.nav-link.kvwt975::after {
  content: ''; position: absolute; bottom: -25px; left: 0; width: 100%; height: 3px;
  background: var(--c-primary); border-radius: 3px 3px 0 0;
}

/* 搜索框 */
.tf78b32i {
  display: flex; align-items: center; background: var(--c-card);
  border: 1px solid var(--c-border); border-radius: 20px; padding: 5px 15px;
  width: 200px; transition: width var(--trans); position: relative;
}
.tf78b32i:focus-within { width: 280px; border-color: var(--c-primary); }
.tf78b32i input {
  background: transparent; border: none; color: #fff; outline: none; width: 100%; font-size: 13px;
}

/* MCP联想框 */
.rbt3qb {
  position: absolute; top: 100%; left: 0; right: 0; margin-top: 10px;
  background: var(--c-card2); border: 1px solid var(--c-border); border-radius: var(--radius);
  display: none; flex-direction: column;
}
.zr61di { padding: 10px 15px; font-size: 13px; cursor: pointer; border-bottom: 1px solid var(--c-border); }
.zr61di:hover { background: rgba(251,192,45,0.1); color: var(--c-primary); }

/* 面包屑 */
.breadcrumb { padding: 90px 0 20px; font-size: 13px; color: var(--c-text2); }
.breadcrumb a { color: var(--c-text); }
.breadcrumb .mejlo { margin: 0 8px; }

/* 英雄区 */
.hero {
  position: relative; padding: 160px 0 100px;
  background: url('/images/hero-banner.jpg') center/cover no-repeat;
  text-align: center; contain: layout style;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,12,0.6), var(--c-bg));
}
.ochbn { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
.hero h1 { font-size: 48px; font-weight: 900; margin-bottom: 20px; font-style: italic; text-transform: uppercase; }
.hero h1 span { color: var(--c-primary); }
.hero p { font-size: 18px; color: var(--c-text2); margin-bottom: 40px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 30px; font-size: 16px; font-weight: 600; border-radius: 4px;
  cursor: pointer; transition: all var(--trans); border: none; transform: skewX(-5deg);
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-accent); transform: skewX(-5deg) translateY(-2px); box-shadow: 0 5px 15px rgba(251,192,45,0.4); }
.btn-outline { background: transparent; border: 2px solid var(--c-primary); color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }

/* 模块通用 */
.section { padding: 80px 0; }
.section-title { font-size: 32px; font-weight: 800; margin-bottom: 40px; text-align: center; font-style: italic; }
.section-title span { color: var(--c-primary); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* 视频卡片 (H5模拟) */
.video-card {
  background: var(--c-card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--c-border); transition: transform var(--trans);
}
.video-card:hover { transform: translateY(-5px); border-color: var(--c-primary); }
.video-thumb { position: relative; padding-top: 56.25%; background: #000; overflow: hidden; }
.video-thumb img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.blow0 {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 50px; height: 50px; background: rgba(251,192,45,0.8); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--trans);
}
.video-card:hover .blow0 { opacity: 1; }
.blow0::after { content: ''; border-left: 15px solid #fff; border-top: 10px solid transparent; border-bottom: 10px solid transparent; margin-left: 5px; }
.video-info { padding: 15px; }
.video-title { font-size: 16px; font-weight: 600; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; gap: 15px; font-size: 12px; color: var(--c-text2); margin-bottom: 10px; }
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-tags { display: flex; gap: 8px; }
.tag { background: rgba(255,255,255,0.05); padding: 3px 8px; border-radius: 4px; font-size: 11px; color: var(--c-primary); }

/* 专家卡片 */
.expert-card { text-align: center; background: var(--c-card); padding: 30px 20px; border-radius: var(--radius); border: 1px solid var(--c-border); }
.expert-avatar { width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 20px; border: 3px solid var(--c-primary); object-fit: cover; }
.expert-name { font-size: 20px; font-weight: 700; margin-bottom: 5px; }
.expert-title { font-size: 14px; color: var(--c-primary); margin-bottom: 15px; }
.expert-desc { font-size: 14px; color: var(--c-text2); margin-bottom: 20px; }

/* FAQ */
.faq-item { background: var(--c-card); margin-bottom: 15px; border-radius: var(--radius); border: 1px solid var(--c-border); overflow: hidden; }
.faq-q { padding: 20px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-a { padding: 0 20px 20px; color: var(--c-text2); font-size: 14px; display: none; }
.faq-item.kvwt975 .faq-a { display: block; }
.faq-item.kvwt975 .faq-q { color: var(--c-primary); }

/* 评论 */
.review-card { background: var(--c-card2); padding: 20px; border-radius: var(--radius); border-left: 3px solid var(--c-primary); }
.review-user { font-weight: 600; margin-bottom: 5px; display: flex; justify-content: space-between; }
.lelg26 { font-size: 12px; color: var(--c-text2); font-weight: normal; }
.review-text { font-size: 14px; color: var(--c-text); font-style: italic; }

/* 分享栏 */
.tiuck { display: flex; justify-content: center; gap: 15px; padding: 30px 0; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); margin: 40px 0; }
.b13ze { background: var(--c-card); border: 1px solid var(--c-border); color: #fff; padding: 8px 15px; border-radius: 20px; cursor: pointer; font-size: 13px; display: flex; align-items: center; gap: 5px; }
.b13ze:hover { background: var(--c-primary); border-color: var(--c-primary); }

/* 页脚 */
.site-footer { background: #04040a; padding: 60px 0 20px; border-top: 1px solid var(--c-border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.xgpss { color: var(--c-text2); font-size: 14px; margin-top: 20px; }
.sc3b5nr { font-size: 16px; font-weight: 700; margin-bottom: 20px; color: #fff; }
.footer-links a { display: block; color: var(--c-text2); font-size: 14px; margin-bottom: 10px; }
.footer-links a:hover { color: var(--c-primary); }
.footer-contact p { color: var(--c-text2); font-size: 14px; margin-bottom: 10px; }
.vtjww { display: flex; gap: 15px; margin-top: 20px; }
.ln7xgg { text-align: center; }
.l3xgf5 { width: 80px; height: 80px; background: #fff; padding: 5px; border-radius: 4px; }
.mut05 { font-size: 12px; color: var(--c-text2); margin-top: 5px; }
.tu4lv { text-align: center; padding-top: 20px; border-top: 1px solid var(--c-border); color: var(--c-text2); font-size: 13px; }

/* 响应式 */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hero h1 { font-size: 32px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .tf78b32i { width: 150px; }
}