/* yxy 电子书阅读站样式 主色 #5a4a6b */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; background: #f6f3f9; color: #332d3d; line-height: 1.95; }
.yxy-header { background: #fff; box-shadow: 0 1px 8px rgba(90,74,107,.08); position: sticky; top: 0; z-index: 50; }
.yxy-header-in { max-width: 1100px; margin: 0 auto; padding: 13px 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.yxy-logo { display: flex; align-items: center; gap: 10px; }
.yxy-logo-mark { display: inline-block; width: 40px; height: 40px; line-height: 40px; text-align: center; border-radius: 10px 10px 10px 2px; background: linear-gradient(135deg, #5a4a6b, #8a6f9e); color: #fff; font-size: 20px; }
.yxy-logo-txt { font-size: 17px; font-weight: 700; color: #5a4a6b; }
.yxy-logo-sub { font-size: 12px; color: #8d8499; }
.yxy-nav { display: flex; flex-wrap: wrap; gap: 2px; }
.yxy-nav a { color: #4c4259; text-decoration: none; font-size: 14px; padding: 6px 8px; border-radius: 8px; }
.yxy-nav a:hover, .yxy-nav a.on { background: #5a4a6b; color: #fff; }
.yxy-breadcrumb { max-width: 1100px; margin: 12px auto 0; padding: 0 20px; font-size: 13px; color: #8d8499; }
.yxy-breadcrumb a { color: #5a4a6b; text-decoration: none; }
.yxy-main { max-width: 1100px; margin: 14px auto 40px; padding: 0 20px; }
.yxy-main h1 { font-size: 26px; color: #5a4a6b; border-bottom: 3px solid #5a4a6b; padding-bottom: 10px; margin: 10px 0 18px; }
.yxy-main h2 { font-size: 20px; color: #5a4a6b; margin: 26px 0 12px; padding-left: 12px; border-left: 5px solid #8a6f9e; }
.yxy-main h3 { font-size: 16px; color: #5a4a6b; margin: 18px 0 8px; }
.yxy-main p { font-size: 15px; margin: 10px 0; text-align: justify; }
.yxy-main a { color: #7a5a8f; }
.yxy-figure { margin: 14px 0 20px; }
.yxy-figure img { width: 100%; height: auto; border-radius: 14px; display: block; }
.yxy-shelf { background: linear-gradient(135deg, #5a4a6b, #7d6a92); border-radius: 14px; padding: 18px 16px; margin: 16px 0; }
.yxy-shelf .yxy-shelf-title { color: #efe6f7; font-weight: 700; margin-bottom: 12px; font-size: 15px; }
.yxy-shelf-row { display: flex; flex-wrap: wrap; gap: 10px; }
.yxy-shelf-row a { background: rgba(255,255,255,.15); color: #fff; text-decoration: none; border-radius: 8px 8px 8px 2px; padding: 8px 16px; font-size: 14px; }
.yxy-shelf-row a:hover { background: rgba(255,255,255,.3); }
.yxy-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 16px 0; }
.yxy-card { background: #fff; border-radius: 14px; padding: 18px 16px; border-top: 5px solid #5a4a6b; box-shadow: 0 2px 10px rgba(90,74,107,.08); display: flex; flex-direction: column; gap: 8px; }
.yxy-card b { color: #5a4a6b; font-size: 16px; }
.yxy-card span { font-size: 13px; color: #6d6278; flex: 1; }
.yxy-card a { font-size: 13px; color: #7a5a8f; text-decoration: none; }
.yxy-qa { background: #fff; border-radius: 12px; padding: 12px 16px; margin: 10px 0; box-shadow: 0 1px 6px rgba(90,74,107,.07); }
.yxy-qa-q { font-weight: 700; color: #5a4a6b; }
.yxy-qa-a { font-size: 14px; color: #4c4259; margin-top: 4px; }
.yxy-steps { background: #fff; border-radius: 12px; padding: 14px 18px 14px 42px; box-shadow: 0 1px 6px rgba(90,74,107,.07); }
.yxy-steps li { margin: 6px 0; font-size: 14px; }
.key-points { background: #f0e9f6; border: 1px solid #d9cde6; border-radius: 12px; padding: 12px 16px; margin: 16px 0; }
.key-points-title { color: #5a4a6b; font-weight: 700; margin-bottom: 6px; }
.key-points ul { padding-left: 22px; }
.key-points li { font-size: 14px; margin: 3px 0; }
.yxy-conclusion { background: #fff; border-left: 5px solid #5a4a6b; border-radius: 10px; padding: 12px 16px; margin: 20px 0; font-size: 14px; }
.yxy-conclusion a { color: #7a5a8f; }
.yxy-related { margin: 22px 0; }
.yxy-related-title { color: #5a4a6b; font-weight: 700; }
.yxy-related-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.yxy-related-row a { background: #ece5f2; color: #5a4a6b; text-decoration: none; border-radius: 16px; padding: 5px 14px; font-size: 13px; }
.yxy-related-row a:hover { background: #ddd2e8; }
.yxy-list-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 12px 0; }
.yxy-list-row a { background: #fff; border-radius: 10px; padding: 10px 14px; text-decoration: none; color: #4c4259; font-size: 14px; box-shadow: 0 1px 5px rgba(90,74,107,.07); }
.yxy-list-row a:hover { color: #7a5a8f; }
.yxy-list-row span { display: block; font-size: 12px; color: #8d8499; margin-top: 2px; }
.yxy-footer { background: #37304a; color: #e9e2f0; margin-top: 30px; }
.yxy-footer-in { max-width: 1100px; margin: 0 auto; padding: 26px 20px; display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 30px; }
.yxy-footer-title { color: #d8c8ec; font-weight: 700; margin-bottom: 10px; }
.yxy-footer-col a { display: block; color: #e9e2f0; text-decoration: none; font-size: 14px; padding: 3px 0; }
.yxy-footer-col a:hover { color: #fff; }
.yxy-footer-col p { font-size: 13px; opacity: .85; margin: 6px 0; }
.yxy-footer-note { opacity: .6; }
.yxy-footer-copy { opacity: .6; margin-top: 10px; }
@media (max-width: 760px) {
  .yxy-cards { grid-template-columns: 1fr; }
  .yxy-list-row { grid-template-columns: 1fr; }
  .yxy-footer-in { grid-template-columns: 1fr; }
  .yxy-main h1 { font-size: 21px; }
}