/* 正文视觉稿。通用导航、底色与印章色沿用已确认的首页。 */
:root {
  --reading-width: 720px;
  --reading-ink: #505861;
  --reading-size: 17px;
  --reading-leading: 2;
}
.brand-name { white-space: nowrap; }
.article-frame { padding-top: 28px; padding-bottom: 42px; }
.article-cover { margin: 0; }
.article-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2.35 / 1;
  object-fit: cover;
  object-position: 50% 56%;
  border-radius: 10px;
}
.reading-column { width: 100%; max-width: var(--reading-width); margin-left: auto; margin-right: auto; }
.article-heading { padding-top: 32px; }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 18px; margin: 0 0 14px; list-style: none; padding: 0; color: var(--seal-red); font-size: 12px; line-height: 1.8; }
.article-title { font-family: var(--serif); font-size: 34px; font-weight: 400; line-height: 1.65; letter-spacing: .035em; overflow-wrap: anywhere; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; column-gap: 19px; row-gap: 9px; margin-top: 16px; color: var(--quiet-ink); font-size: 12px; font-weight: 400; line-height: 1.6; }
.article-meta > span, .article-meta time { white-space: nowrap; }
.article-meta time { color: #7c8590; }
.numeric { font-family: Arial, sans-serif; font-weight: 400; font-variant-numeric: tabular-nums; }
.comment-count { display: inline-flex; align-items: center; gap: 6px; cursor: default; }
.comment-count svg { display: block; width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.15; stroke-linecap: round; stroke-linejoin: round; }
.article-body { padding-top: 36px; color: var(--reading-ink); font-family: var(--sans); font-size: var(--reading-size); font-weight: 400; line-height: var(--reading-leading); letter-spacing: .025em; overflow-wrap: anywhere; }
.article-body p + p { margin-top: 21px; }
.article-body img { max-width: 100%; height: auto; }
.article-body h2, .article-body h3 { margin-top: 36px; margin-bottom: 16px; font-family: var(--serif); font-weight: 400; }
.article-body blockquote { margin: 28px 0; padding-left: 20px; border-left: 2px solid var(--rule); color: #69727c; }
.article-neighbors { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 40px; margin-top: 40px; padding: 25px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.neighbor { min-width: 0; display: block; }
.neighbor-next { text-align: right; }
.neighbor-label { display: flex; align-items: center; gap: 8px; margin-bottom: 9px; color: var(--quiet-ink); font-size: 12px; font-weight: 400; line-height: 1.7; }
.neighbor-next .neighbor-label { justify-content: flex-end; }
.neighbor-label svg { width: 12px; height: 12px; stroke: currentColor; stroke-width: 1.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.neighbor-title { display: block; color: #535d67; font-family: var(--serif); font-size: 16px; font-weight: 400; line-height: 1.8; overflow-wrap: anywhere; }
a.neighbor:hover .neighbor-title { color: var(--seal-red); }
.neighbor-unavailable .neighbor-title { color: #a1a7ae; font-family: var(--sans); font-size: 12px; }
.comments-area { padding-top: 38px; }
.comment-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 19px; }
.comment-heading h2 { font-family: var(--serif); font-size: 22px; line-height: 1.7; letter-spacing: .025em; }
.cancel-reply { color: var(--seal-red); font-size: 12px; line-height: 1.8; cursor: pointer; }
[hidden] { display: none !important; }
.comment-form { display: block; }
.field-label { display: block; margin-bottom: 8px; color: #76808b; font-size: 12px; line-height: 1.8; }
.field-label small { color: #a0a6ad; font-size: 11px; }
.comment-form textarea, .comment-form input { display: block; width: 100%; min-width: 0; margin: 0; padding: 11px 13px; border: 1px solid #e1e6eb; border-radius: 6px; background: var(--paper); color: #4c5661; font: 400 13px / 1.9 var(--sans); outline: none; box-shadow: none; }
.comment-form textarea { min-height: 126px; resize: vertical; }
.comment-form input { height: 42px; }
.comment-form ::placeholder { color: #adb3ba; opacity: 1; }
.comment-form textarea:focus, .comment-form input:focus { border-color: #b67b70; }
.comment-fields { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin-top: 17px; }
.form-actions { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-top: 20px; }
.comment-note { color: #98a0a9; font-size: 11px; line-height: 1.8; }
.comment-submit { min-height: 39px; padding: 0 22px; border: 1px solid var(--seal-red); border-radius: 5px; background: var(--seal-red); color: #fff; font-family: var(--sans); font-size: 12px; font-weight: 400; line-height: 1.8; cursor: pointer; }
.comment-submit:hover { background: #97564b; }
.preview-message { margin-top: 12px; color: var(--seal-red); font-size: 12px; line-height: 1.8; }
.comments-list-heading { display: flex; align-items: baseline; gap: 10px; margin-top: 38px; padding-bottom: 14px; border-bottom: 1px solid var(--rule); }
.comments-list-heading h3 { color: #56606b; font-family: var(--serif); font-size: 17px; line-height: 1.8; font-weight: 400; }
.comments-total { color: var(--quiet-ink); font-size: 12px; }
.comment-list, .comment-replies { margin: 0; padding: 0; list-style: none; }
.comment-list > li { padding-top: 22px; }
.comment-list > li + li { margin-top: 20px; border-top: 1px solid var(--rule); }
.comment-info { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; column-gap: 20px; row-gap: 6px; }
.comment-author { color: #56606b; font-size: 13px; line-height: 1.9; font-weight: 400; }
.comment-owner { color: var(--seal-red); }
.author-role { margin-left: 8px; color: var(--seal-red); font-size: 11px; }
.comment-time { color: #a0a7af; font-size: 12px; line-height: 1.8; }
.comment-text { margin-top: 7px; color: #737c86; font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; }
.comment-reply-button { margin-top: 9px; color: #949ca5; font-size: 12px; line-height: 1.8; cursor: pointer; }
.comment-reply-button:hover { color: var(--seal-red); }
.comment-replies { margin-top: 19px; margin-left: 8px; padding-left: 22px; border-left: 1px solid #e4e8ec; }
.empty-comments { margin-top: 22px; color: var(--quiet-ink); font-size: 13px; line-height: 1.9; }
.comments-area, .article-main { scroll-margin-top: 92px; }
@media (max-width:700px) {
  .article-frame { padding-top: 22px; padding-bottom: 34px; }
  .article-heading { padding-top: 27px; }
  .article-title { font-size: 30px; }
  .article-meta { column-gap: 15px; }
  .article-body { padding-top: 30px; font-size: 16px; line-height: 1.95; }
  .article-neighbors { gap: 25px; }
}
@media (max-width:480px) {
  .article-frame { padding-top: 20px; padding-bottom: 30px; }
  .article-cover img { aspect-ratio: 1.7 / 1; border-radius: 7px; }
  .article-heading { padding-top: 24px; }
  .article-tags { gap: 7px 15px; margin-bottom: 11px; font-size: 12px; }
  .article-title { font-size: 26px; line-height: 1.65; letter-spacing: .018em; }
  .article-meta { margin-top: 14px; column-gap: 15px; row-gap: 8px; font-size: 11px; }
  .article-body { padding-top: 29px; font-size: 16px; line-height: 1.95; letter-spacing: .015em; }
  .article-body p + p { margin-top: 19px; }
  .article-neighbors { margin-top: 32px; padding: 22px 0; gap: 23px; }
  .neighbor-label { font-size: 11px; gap: 6px; margin-bottom: 8px; }
  .neighbor-title { font-size: 14px; line-height: 1.85; }
  .comments-area { padding-top: 29px; }
  .comment-heading h2 { font-size: 20px; }
  .comment-fields { grid-template-columns: 1fr; gap: 13px; margin-top: 15px; }
  .comment-form textarea { min-height: 132px; }
  .form-actions { align-items: flex-start; gap: 15px; }
  .comment-note { width: 100%; }
  .comment-submit { margin-left: auto; }
  .comments-list-heading { margin-top: 32px; }
  .comment-info { display: block; }
  .comment-time { display: block; margin-top: 2px; font-size: 11px; }
  .comment-text { font-size: 13px; }
  .comment-replies { margin-left: 2px; padding-left: 15px; }
}