/* Lux观点 · 列表页 / 详情页 / 分享卡
   只被 /assets/article.css 提供，由 Node 站渲染的文章页引用。
   与 lux-shell.css 分工：外壳（头部/页脚/弹窗）归外壳，本文只负责文章内容区。 */

:root {
  --a-ink: #211438;
  --a-ink-2: #4a3b60;
  --a-muted: #6e687a;
  --a-purple: #6941c6;
  --a-lav: #c6b1eb;
  --a-paper: #f8f7fa;
  --a-line: #e7e3ec;
  --a-deep: #1c1130;
  --a-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
}

/* 基础重置：外壳假定页面无外边距，否则头部与整页会缩进 8px（浏览器默认 body margin） */
html, body { margin: 0; padding: 0; }

/* ---------------------------------------------------------------- 列表页 */
.a-wrap {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 72px;
}
.a-wrap--article { width: min(760px, calc(100% - 40px)); }

.a-hero {
  margin: 0 calc(50% - 50vw) 0;
  padding: 64px max(24px, calc(50vw - 540px)) 56px;
  background: radial-gradient(ellipse at 84% 8%, #6743a2 0, transparent 38%), linear-gradient(122deg, #211438 0%, #2b1948 62%, #3a2359 100%);
  color: #fff;
}
.a-eyebrow {
  margin: 0 0 16px;
  color: #cfc0f2;
  font: 650 11px/1.6 Inter, "Microsoft YaHei", sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.a-hero h1 {
  margin: 0 0 18px;
  font: 570 clamp(38px, 6vw, 62px)/1.1 var(--a-serif);
  letter-spacing: -.03em;
  color: #fff;
}
.a-hero-sub {
  max-width: 620px;
  margin: 0;
  color: #d5cae9;
  font: 15.5px/1.75 Inter, "Microsoft YaHei", sans-serif;
}
.a-hero-count {
  margin: 26px 0 0;
  color: #a394c2;
  font: 12px/1.6 Inter, "Microsoft YaHei", sans-serif;
  letter-spacing: .08em;
}

.a-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 34px 0 6px;
}
.a-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border: 1px solid var(--a-line);
  border-radius: 999px;
  background: #fff;
  color: var(--a-ink-2);
  font: 13px/1.4 Inter, "Microsoft YaHei", sans-serif;
  text-decoration: none;
  transition: border-color .15s, color .15s, background .15s;
}
.a-chip i {
  font-style: normal;
  color: #a49cb0;
  font-size: 11px;
}
.a-chip:hover { border-color: #c9bce0; color: var(--a-purple); }
.a-chip.is-on {
  background: var(--a-ink);
  border-color: var(--a-ink);
  color: #f1ead9;
}
.a-chip.is-on i { color: #b8a8d8; }

.a-list {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.a-card {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 22px;
  padding: 18px;
  border: 1px solid var(--a-line);
  border-radius: 10px;
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition: border-color .16s, box-shadow .16s, transform .16s;
}
.a-card:hover {
  border-color: #d3c7e6;
  box-shadow: 0 12px 28px -18px rgba(33, 20, 56, .35);
  transform: translateY(-1px);
}
.a-card-cover {
  display: block;
  overflow: hidden;
  width: 168px;
  height: 112px;
  border-radius: 6px;
  background: linear-gradient(135deg, #2b1948, #4a2f74);
}
.a-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.a-card-cover--text {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b39ad8;
  font: 600 22px/1 Georgia, serif;
  letter-spacing: .28em;
}
.a-card-body { display: flex; min-width: 0; flex-direction: column; }
.a-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  color: #8d8598;
  font: 12px/1.5 Inter, "Microsoft YaHei", sans-serif;
}
.a-card-meta em {
  padding: 2px 8px;
  border-radius: 3px;
  background: #f0ecf7;
  color: var(--a-purple);
  font-style: normal;
  font-size: 11.5px;
}
.a-card-meta time { letter-spacing: .02em; }
.a-pin {
  padding: 2px 7px;
  border: 1px solid #e3d4b4;
  border-radius: 3px;
  color: #9a7a33;
  font-weight: 500;
  font-size: 11px;
}
.a-card-title {
  display: block;
  margin-bottom: 8px;
  color: var(--a-ink);
  font: 600 19px/1.45 var(--a-serif);
  letter-spacing: -.01em;
}
.a-card:hover .a-card-title { color: var(--a-purple); }
.a-card-summary {
  display: -webkit-box;
  overflow: hidden;
  margin-bottom: 12px;
  color: var(--a-muted);
  font: 13.5px/1.7 Inter, "Microsoft YaHei", sans-serif;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.a-card-foot {
  margin-top: auto;
  color: #a49cb0;
  font: 11.5px/1.5 Inter, "Microsoft YaHei", sans-serif;
  letter-spacing: .02em;
}

.a-empty {
  padding: 48px 24px;
  border: 1px dashed var(--a-line);
  border-radius: 10px;
  color: var(--a-muted);
  text-align: center;
}
.a-empty a { color: var(--a-purple); }

.a-pager {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}
.a-pager a, .a-pager span {
  min-width: 38px;
  padding: 8px 12px;
  border: 1px solid var(--a-line);
  border-radius: 6px;
  background: #fff;
  color: var(--a-ink-2);
  font: 13px/1.4 Inter, sans-serif;
  text-align: center;
  text-decoration: none;
}
.a-pager .is-on { background: var(--a-ink); border-color: var(--a-ink); color: #f1ead9; }

.a-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 44px;
  padding: 26px 28px;
  border-radius: 12px;
  background: linear-gradient(118deg, #211438, #32204f);
  color: #fff;
}
.a-cta strong { display: block; margin-bottom: 7px; font: 600 18px/1.5 var(--a-serif); }
.a-cta p { margin: 0; color: #cbbfe0; font: 13.5px/1.65 Inter, "Microsoft YaHei", sans-serif; }
.a-cta-btn {
  box-sizing: border-box;
  flex: 0 0 auto;
  padding: 12px 20px;
  border: 1px solid #c6b1eb66;
  border-radius: 6px;
  background: #ffffff12;
  color: #efe6ff;
  font: 500 14px/1.4 Inter, "Microsoft YaHei", sans-serif;
  text-decoration: none;
  white-space: nowrap;
}
.a-cta-btn:hover { background: #ffffff1f; border-color: #c6b1eb; }
.a-cta--inline { margin-top: 40px; }

/* ---------------------------------------------------------------- 详情页 */
.a-post {
  margin-top: 40px;
  padding: 48px 52px 40px;
  border: 1px solid var(--a-line);
  border-radius: 12px;
  background: #fff;
}
.a-post-head { margin-bottom: 30px; }
.a-post-head .a-eyebrow { color: var(--a-purple); margin-bottom: 14px; }
.a-post-head h1 {
  margin: 0 0 18px;
  color: var(--a-ink);
  font: 600 clamp(27px, 4vw, 36px)/1.34 var(--a-serif);
  letter-spacing: -.02em;
}
.a-post-summary {
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--a-lav);
  color: var(--a-ink-2);
  font: 15px/1.8 Inter, "Microsoft YaHei", sans-serif;
}
.a-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--a-line);
  color: #8d8598;
  font: 12px/1.5 Inter, "Microsoft YaHei", sans-serif;
}
.a-post-cover {
  display: block;
  width: 100%;
  margin: 0 0 30px;
  border-radius: 8px;
}

/* 正文排版：直接作用于清洗后的 HTML */
.a-prose {
  color: #2c2340;
  font: 16.5px/1.9 Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  word-break: break-word;
}
.a-prose > *:first-child { margin-top: 0; }
.a-prose p { margin: 0 0 1.15em; }
.a-prose h2, .a-prose h3, .a-prose h4 {
  margin: 1.9em 0 .75em;
  color: var(--a-ink);
  font-family: var(--a-serif);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -.01em;
}
.a-prose h2 { font-size: 22px; }
.a-prose h3 { font-size: 19px; }
.a-prose h4 { font-size: 17px; }
.a-prose h2::before {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  margin-bottom: 12px;
  border-radius: 2px;
  background: var(--a-lav);
}
.a-prose strong { color: var(--a-ink); font-weight: 600; }
.a-prose em { color: var(--a-ink-2); }
.a-prose a { color: var(--a-purple); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.a-prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.6em auto;
  border-radius: 6px;
}
.a-prose blockquote {
  margin: 1.6em 0;
  padding: 16px 20px;
  border-left: 3px solid var(--a-lav);
  border-radius: 0 6px 6px 0;
  background: #faf8fd;
  color: var(--a-ink-2);
}
.a-prose blockquote p:last-child { margin-bottom: 0; }
.a-prose ul, .a-prose ol { margin: 0 0 1.15em; padding-left: 1.35em; }
.a-prose li { margin-bottom: .5em; }
.a-prose li::marker { color: var(--a-purple); }
.a-prose hr { margin: 2.2em auto; width: 36%; border: 0; border-top: 1px solid var(--a-line); }
.a-prose code {
  padding: .15em .4em;
  border-radius: 3px;
  background: #f2eef8;
  color: #5b3fa0;
  font: .88em/1.6 "Cascadia Mono", Consolas, monospace;
}
.a-prose pre {
  overflow-x: auto;
  margin: 1.6em 0;
  padding: 16px 18px;
  border-radius: 8px;
  background: #1d1430;
  color: #e4ddf2;
  font: 13px/1.7 "Cascadia Mono", Consolas, monospace;
}
.a-prose pre code { padding: 0; background: none; color: inherit; }
.a-prose table {
  width: 100%;
  margin: 1.6em 0;
  border-collapse: collapse;
  font-size: 14.5px;
}
.a-prose th, .a-prose td {
  padding: 10px 12px;
  border: 1px solid var(--a-line);
  text-align: left;
  vertical-align: top;
}
.a-prose th { background: #f6f3fb; color: var(--a-ink); font-weight: 600; }
.a-prose section > p:last-child { margin-bottom: 0; }

.a-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 34px 0 0;
}
.a-post-tags span {
  padding: 4px 10px;
  border-radius: 999px;
  background: #f3effa;
  color: #6b5a8d;
  font: 12px/1.5 Inter, "Microsoft YaHei", sans-serif;
}
.a-post-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--a-line);
}
.a-author { display: flex; align-items: flex-start; gap: 14px; max-width: 560px; }
.a-author-photo { flex: 0 0 auto; display: block; width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.a-author-main { min-width: 0; }
.a-author strong { display: block; margin-bottom: 3px; color: var(--a-ink); font: 600 14px/1.5 Inter, "Microsoft YaHei", sans-serif; }
.a-author-role { margin: 0; color: #6a5a86; font: 12px/1.6 Inter, "Microsoft YaHei", sans-serif; }
.a-author-bio { margin: 6px 0 0; color: #8d8598; font: 12px/1.7 Inter, "Microsoft YaHei", sans-serif; }
.a-author-link { display: inline-block; margin-top: 8px; color: #5932a0; font: 650 12px/1.5 Inter, "Microsoft YaHei", sans-serif; text-decoration: none; }
.a-author-link:hover { text-decoration: underline; }
.a-share { display: flex; align-items: center; gap: 9px; color: #8d8598; font: 12.5px/1.5 Inter, "Microsoft YaHei", sans-serif; }
.a-share button {
  padding: 7px 14px;
  border: 1px solid var(--a-line);
  border-radius: 6px;
  background: #fff;
  color: var(--a-ink-2);
  font: 12.5px/1.4 Inter, "Microsoft YaHei", sans-serif;
  cursor: pointer;
}
.a-share button:hover { border-color: var(--a-lav); color: var(--a-purple); }

.a-related { margin-top: 52px; }
.a-related h2 {
  margin: 0 0 18px;
  color: var(--a-ink);
  font: 600 20px/1.4 var(--a-serif);
}
.a-related-grid { display: grid; gap: 12px; }
.a-related-grid .a-card { grid-template-columns: 1fr; padding: 16px 18px; }
.a-related-grid .a-card-cover { display: none; }
.a-related-grid .a-card-summary { -webkit-line-clamp: 1; margin-bottom: 8px; }

/* ---------------------------------------------------------------- 分享卡 1080×1440 */
#a-share-card {
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  width: 1080px;
  height: 1440px;
  padding: 96px 88px 88px;
  background: radial-gradient(ellipse at 86% 4%, #6a45a8 0, transparent 42%), linear-gradient(158deg, #1b1029 0%, #2a1a44 58%, #3a2458 100%);
  color: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
#a-share-card::after {
  position: absolute;
  right: -180px;
  bottom: -240px;
  width: 620px;
  height: 620px;
  border: 1px solid #ffffff1f;
  border-radius: 50%;
  box-shadow: 0 0 0 74px #ffffff08, 0 0 0 148px #ffffff05;
  content: "";
}
.sc-top { display: flex; align-items: center; justify-content: space-between; }
.sc-brand { font: 600 27px/1 Georgia, "Times New Roman", serif; letter-spacing: .26em; color: #e8d9b6; }
.sc-tag { padding: 8px 16px; border: 1px solid #ffffff2e; border-radius: 999px; color: #cbb8e8; font-size: 17px; letter-spacing: .18em; }
.sc-title {
  margin: 120px 0 44px;
  color: #fff;
  font: 700 76px/1.28 "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  letter-spacing: -.02em;
}
.sc-summary {
  max-width: 800px;
  margin: 0 0 40px;
  color: #c9bcdd;
  font: 28px/1.75 "PingFang SC", "Microsoft YaHei", sans-serif;
}
.sc-quote {
  display: inline-block;
  margin: 0;
  padding: 12px 26px;
  border-left: 3px solid #c6b1eb;
  color: #d9cbf0;
  font: 400 24px/1.6 "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(90deg, #ffffff10, transparent);
}
.sc-foot {
  position: absolute;
  right: 88px;
  bottom: 96px;
  left: 88px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 30px;
  padding-top: 44px;
  border-top: 1px solid #ffffff24;
}
.sc-qr {
  flex: 0 0 auto;
  width: 176px;
  height: 176px;
  padding: 10px;
  border-radius: 10px;
  background: #fff;
}
.sc-qr img { display: block; width: 100%; height: 100%; object-fit: contain; }
.sc-foot-text strong { display: block; margin-bottom: 10px; color: #fff; font: 600 32px/1.4 "PingFang SC", "Microsoft YaHei", sans-serif; }
.sc-foot-text span { display: block; margin-bottom: 14px; color: #b9a9d0; font: 24px/1.5 "PingFang SC", "Microsoft YaHei", sans-serif; }
.sc-foot-text em { color: #8f7cad; font: 22px/1.4 Georgia, serif; font-style: normal; letter-spacing: .1em; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 820px) {
  .a-wrap { width: calc(100% - 32px); }
  .a-hero { padding: 44px 22px 40px; }
  .a-hero h1 { font-size: 36px; }
  .a-hero-sub { font-size: 14.5px; }
  .a-card { grid-template-columns: 92px 1fr; gap: 14px; padding: 14px; }
  .a-card-cover { width: 92px; height: 92px; }
  .a-card-cover--text { font-size: 15px; }
  .a-card-title { font-size: 17px; }
  .a-card-summary { -webkit-line-clamp: 2; font-size: 13px; }
  .a-card-foot { display: none; }
  .a-post { margin-top: 24px; padding: 28px 22px 26px; border-radius: 0; border-width: 0; }
  .a-prose { font-size: 16px; line-height: 1.85; }
  .a-prose h2 { font-size: 20px; }
  .a-prose h3 { font-size: 18px; }
  .a-cta { flex-direction: column; align-items: flex-start; padding: 22px; }
  .a-cta-btn { width: 100%; text-align: center; }
  .a-post-foot { flex-direction: column; align-items: flex-start; }
  .a-related-grid .a-card { grid-template-columns: 1fr; }
}

@media print {
  .a-chips, .a-pager, .a-cta, .a-share, .a-related, #lux-site-header, #lux-site-footer { display: none !important; }
  .a-post { border: 0; padding: 0; }
  .a-prose { font-size: 11.5pt; }
}