/* “知识书房”共享页面主题。
   只覆盖会员与社区的视觉表现；原 Logo、头像、内容和接口继续由各页面既有实现提供。 */
:is(body.page-membership, body.page-community) {
  --accent: #b14f36;
  --accent-dark: #8f3929;
  --accent-soft: #f7e7df;
  --bg: #f2ecdf;
  --card: #f8f4ea;
  --text: #302a21;
  --muted: #766e60;
  --border: #d8cfbd;
  --strong: #302a21;
  min-height: 100vh;
  color: var(--text);
  background: #f2ecdf;
  font-family: "Noto Serif SC", "Songti SC", STSong, "Microsoft YaHei", serif;
}

:is(body.page-membership, body.page-community) .topbar {
  min-height: 56px;
  height: auto;
  padding: 10px 20px;
  border-bottom-color: var(--border);
  background: rgba(248, 244, 234, .95);
  box-shadow: 0 5px 18px rgba(73, 58, 33, .045);
}

:is(body.page-membership, body.page-community) .brand {
  gap: 9px;
  color: var(--text);
  font-size: 16px;
  letter-spacing: -.02em;
}

:is(body.page-membership, body.page-community) .brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  box-shadow: 0 3px 9px rgba(120, 67, 38, .14);
}

:is(body.page-membership, body.page-community) .btn,
:is(body.page-membership, body.page-community) .back {
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-muted, var(--muted));
  background: rgba(255, 253, 247, .66);
  box-shadow: none;
  font-family: inherit;
}

:is(body.page-membership, body.page-community) .btn:hover,
:is(body.page-membership, body.page-community) .back:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: #fffaf3;
  box-shadow: none;
  transform: none;
}

:is(body.page-membership, body.page-community) .btn.primary {
  border-color: var(--accent);
  color: #fff9ef;
  background: var(--accent);
}

:is(body.page-membership, body.page-community) .modal-mask,
body.page-community .modal-backdrop { background: rgba(48, 42, 33, .45); }

:is(body.page-membership, body.page-community) .modal-card,
body.page-community .modal-content {
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #f8f4ea;
  box-shadow: 0 24px 60px rgba(74, 61, 38, .18);
}

:is(body.page-membership, body.page-community) .modal-head,
body.page-community .modal-header {
  border-bottom-color: var(--border);
  background: rgba(248, 244, 234, .97);
}

:is(body.page-membership, body.page-community) .modal-close {
  color: var(--muted);
  font-family: inherit;
}

body.page-membership .wrap {
  max-width: 1080px;
  display: grid;
  gap: 14px;
  padding-top: 14px;
}
body.page-membership .hero,
body.page-membership .plan-card,
body.page-membership .membership-status {
  border-color: var(--border);
  border-radius: 3px;
  background:
    linear-gradient(rgba(255, 255, 255, .34), rgba(255, 255, 255, .34)),
    repeating-linear-gradient(0deg, transparent 0 27px, rgba(102, 84, 52, .025) 27px 28px),
    #f7f2e7;
  box-shadow: 0 8px 24px rgba(74, 61, 38, .055);
}

body.page-membership h1,
body.page-membership .plan-name,
body.page-membership .modal-head h2 { font-family: inherit; }

body.page-membership h1 { font-size: 22px; }
body.page-membership .hero {
  margin-bottom: 0;
  padding-block: 14px;
}
body.page-membership .hero .muted { font-size: 13px; }
body.page-membership .muted { color: var(--muted); }
body.page-membership .topbar-actions { gap: 7px; }
body.page-membership .back {
  min-height: 30px;
  padding: 6px 10px;
  font-size: 11px;
}
body.page-membership .free-upgrade-entry {
  border-color: var(--accent);
  color: #fff9ef;
  background: linear-gradient(145deg, #a8432e, #c45b3c);
}

body.page-membership .billing-tabs {
  gap: 0;
  padding: 0;
  border-color: var(--border);
  border-radius: 0;
  background: transparent;
}
body.page-membership .billing-tab {
  min-height: 34px;
  border-radius: 0;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
}
body.page-membership .billing-tab.active {
  color: #fff9ef;
  background: var(--accent);
  box-shadow: none;
}

body.page-membership .plan-card {
  padding: 18px;
  transition: border-color .16s ease, box-shadow .16s ease;
}
body.page-membership .plan-card:hover {
  border-color: #bcae96;
  box-shadow: 0 12px 30px rgba(74, 61, 38, .1);
  transform: translateY(-2px);
}
body.page-membership .plan-card::before { height: 2px; }
body.page-membership .plan-name { font-size: 15px; }
body.page-membership .plan-tag {
  border-color: var(--border);
  color: var(--muted);
  background: rgba(255, 255, 255, .38);
  font-size: 10px;
}
body.page-membership .plan-price { font-size: 27px; }
body.page-membership .plan-benefits {
  border-top-color: var(--border);
  color: var(--text);
  font-size: 12px;
}
body.page-membership .plan-btn,
body.page-membership .feedback-submit,
body.page-membership .store-review-link,
body.page-membership .invite-copy {
  border-radius: 1px;
  box-shadow: none;
  font-family: inherit;
}
body.page-membership .plan-qinxue .plan-btn { background: #087da2; }
body.page-membership .plan-duxue .plan-btn { background: #e85b86; }
body.page-membership .plan-mengxue .plan-btn { color: #f9e8b2; background: #1c1b18; }
body.page-membership .membership-status { margin-top: 0; color: var(--text); }
body.page-membership .detail-btn,
body.page-membership .upgrade-method,
body.page-membership .store-review-row,
body.page-membership .invite-link {
  border-color: var(--border);
  border-radius: 2px;
  color: var(--text);
  background: rgba(255, 255, 255, .38);
  font-family: inherit;
}
body.page-membership .upgrade-method:hover { border-color: var(--accent); color: var(--accent); }
body.page-membership .record-state { border-radius: 2px; }

body.page-community .brand b { color: var(--accent); }
body.page-community .container { max-width: 1240px; padding: 24px; }
body.page-community .sort-tabs {
  gap: 0;
  padding: 0;
  border-color: var(--border);
  border-radius: 0;
  background: transparent;
}
body.page-community .sort-tab {
  min-height: 32px;
  border-radius: 0;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
}
body.page-community .sort-tab.active {
  color: #fff9ef;
  background: var(--accent);
  box-shadow: none;
}

body.page-community .post-card,
body.page-community .post-leaderboard-item,
body.page-community .comment-item {
  border-color: var(--border);
  border-radius: 3px;
  background:
    linear-gradient(rgba(255, 255, 255, .3), rgba(255, 255, 255, .3)),
    #f7f2e7;
}
body.page-community .post-card {
  padding: 14px;
  transition: border-color .16s ease, box-shadow .16s ease;
}
body.page-community .post-card:hover {
  border-color: #bcae96;
  box-shadow: 0 12px 28px rgba(74, 61, 38, .09);
  transform: translateY(-2px);
}
body.page-community .post-card-title { font-family: inherit; font-size: 14px; }
body.page-community .post-card-content,
body.page-community .post-full-content { color: var(--text); }
body.page-community .post-card-comment {
  border-radius: 2px;
  color: var(--muted);
  background: rgba(255, 255, 255, .38);
}
body.page-community .post-card-footer,
body.page-community .comments-section { border-color: var(--border); }
body.page-community .post-leaderboard-rank,
body.page-community .ji-like.liked { color: var(--accent); }

body.page-community .tier-qinxue { color: #087da2; background: #e5f7fb; }
body.page-community .tier-duxue { color: #c93467; background: #fbe2ea; }
body.page-community .tier-mengxue { color: #f9e8b2; background: #272521; }

body.page-community .modal-body input,
body.page-community .modal-body textarea {
  border-color: var(--border);
  border-radius: 2px;
  color: var(--text);
  background: rgba(255, 255, 255, .45);
  font-family: inherit;
}
body.page-community .modal-body input:focus,
body.page-community .modal-body textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(177, 79, 54, .1);
}

@media (max-width: 760px) {
  :is(body.page-membership, body.page-community) .topbar { padding: 8px 12px; }
  body.page-membership .topbar-actions { gap: 4px; }
  body.page-membership .back { padding: 5px 7px; font-size: 10px; white-space: nowrap; }
  body.page-community .container { padding: 18px 14px; }
}