/* ============================================================
   通玄 TONGXUAN · 版本纪事 changelog.css
   时间轴：左脊线 + 大版本印章节点（醒目）+ 细项折叠组（默认收起）。
   观星为基调，袖中天由 token 适配，末尾集中少量 xiu 覆写。
   ============================================================ */

.cl-hero .page-hero-sub { max-width: 560px; margin-left: auto; margin-right: auto; }
.cl-hero-meta {
  margin-top: 18px;
  display: flex; justify-content: center; gap: 26px; flex-wrap: wrap;
  font-size: 13px; letter-spacing: 0.1em;
  color: rgba(214, 202, 178, 0.78);
}
.cl-hero-meta b {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 700;
  color: var(--gold-400);
  margin-right: 6px;
}

.cl-main { padding-top: 46px; padding-bottom: 90px; }
.cl-main .container { max-width: 860px; }

/* ---------- 视图切换 ---------- */
.cl-toolbar {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  margin-bottom: 30px;
}
.cl-toolbar-note {
  font-size: 12.5px; letter-spacing: 0.06em;
  color: var(--paper-ink-soft);
}
.cl-views { display: flex; gap: 8px; }
.cl-view {
  padding: 7px 16px;
  font-family: var(--font-serif);
  font-size: 13px; letter-spacing: 0.1em;
  color: var(--paper-ink-soft);
  border: 1px solid rgba(44, 42, 36, 0.2);
  border-radius: 999px;
  background: rgba(250, 247, 239, 0.7);
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}
.cl-view:hover { border-color: rgba(184, 145, 75, 0.6); color: var(--paper-ink); }
.cl-view.active {
  color: #241a08; font-weight: 600;
  border-color: var(--gold-500);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
}

/* ---------- 时间轴脊线 ---------- */
.cl-spine {
  list-style: none;
  margin: 0; padding: 0 0 0 30px;
  position: relative;
}
.cl-spine::before {
  content: "";
  position: absolute; top: 8px; bottom: 8px; left: 29px;
  width: 1px;
  background: linear-gradient(to bottom,
    rgba(184, 145, 75, 0.55),
    rgba(44, 42, 36, 0.16) 30%,
    rgba(44, 42, 36, 0.16) 92%,
    transparent);
}
.cl-node { position: relative; padding: 0 0 34px 40px; }
.cl-node:last-child { padding-bottom: 0; }

/* 大版本印章节点 */
.cl-seal {
  position: absolute; left: -30px; top: 0;
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 26px; font-weight: 700;
  color: var(--gold-400);
  background: radial-gradient(circle at 34% 30%, #1d2740, #0d1426 78%);
  border: 1px solid rgba(184, 145, 75, 0.65);
  border-radius: 16px;
  box-shadow: 0 8px 22px rgba(13, 20, 38, 0.35), inset 0 0 14px rgba(184, 145, 75, 0.14);
  z-index: 1;
}
/* 细项墨点节点 */
.cl-dot {
  position: absolute; left: -4px; top: 16px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(107, 100, 85, 0.5);
  border: 1px solid rgba(250, 247, 239, 0.9);
  z-index: 1;
}

/* ---------- 大版本卡 ---------- */
.cl-card {
  border: 1px solid rgba(184, 145, 75, 0.4);
  border-radius: var(--radius-md, 14px);
  background:
    linear-gradient(160deg, rgba(212, 175, 106, 0.10), rgba(212, 175, 106, 0) 42%),
    rgba(250, 247, 239, 0.85);
  padding: 24px 26px 20px;
  box-shadow: 0 10px 28px rgba(44, 42, 36, 0.08);
}
.cl-node-major { min-height: 64px; }
.cl-verline { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.cl-ver {
  font-family: var(--font-serif);
  font-size: 24px; font-weight: 800; letter-spacing: 0.02em;
  color: var(--paper-ink);
}
.cl-vername {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 600; letter-spacing: 0.06em;
  color: #8a5a24;
}
.cl-date {
  margin-left: auto;
  font-size: 12.5px; letter-spacing: 0.14em;
  color: var(--paper-ink-soft);
}
.cl-tagline {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 14.5px; letter-spacing: 0.04em; line-height: 1.75;
  color: var(--paper-ink);
  border-left: 3px solid rgba(184, 145, 75, 0.55);
  padding-left: 12px;
}
.cl-items { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.cl-item { display: flex; align-items: flex-start; gap: 10px; }
.cl-item-t { font-size: 14px; line-height: 1.8; color: var(--paper-ink); }
.cl-tag {
  flex-shrink: 0;
  margin-top: 3px;
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  font-style: normal;
  font-family: var(--font-serif);
  font-size: 12px; font-weight: 700;
  border-radius: 6px;
  border: 1px solid transparent;
}
.cl-tag.is-new { color: #7a5c20; background: rgba(212, 175, 106, 0.18); border-color: rgba(184, 145, 75, 0.5); }
.cl-tag.is-opt { color: #3d5f4e; background: rgba(77, 117, 96, 0.12); border-color: rgba(77, 117, 96, 0.42); }
.cl-tag.is-fix { color: #55524a; background: rgba(107, 100, 85, 0.12); border-color: rgba(107, 100, 85, 0.4); }
.cl-tag.is-sec { color: #8c3a26; background: rgba(166, 61, 42, 0.1); border-color: rgba(166, 61, 42, 0.4); }

/* ---------- 细项折叠组（默认收起 = 小更新自动隐藏） ---------- */
.cl-minor {
  border: 1px dashed rgba(44, 42, 36, 0.22);
  border-radius: 12px;
  background: rgba(250, 247, 239, 0.55);
}
.cl-minor-sum {
  list-style: none;
  display: flex; align-items: baseline; gap: 12px;
  padding: 12px 18px;
  cursor: pointer;
  -webkit-user-select: none; user-select: none;
}
.cl-minor-sum::-webkit-details-marker { display: none; }
.cl-minor-label {
  font-family: var(--font-serif);
  font-size: 13.5px; letter-spacing: 0.08em;
  color: var(--paper-ink-soft);
}
.cl-minor-date { font-size: 12px; letter-spacing: 0.1em; color: rgba(107, 100, 85, 0.75); }
.cl-minor-arrow {
  margin-left: auto;
  font-style: normal;
  font-size: 12px; letter-spacing: 0.08em;
  color: #8a5a24;
}
.cl-minor[open] .cl-minor-arrow { color: var(--paper-ink-soft); }
.cl-minor[open] .cl-minor-arrow::after { content: "▴"; margin-left: 4px; }
.cl-minor:not([open]) .cl-minor-arrow::after { content: "▾"; margin-left: 4px; }
.cl-minor-sum:hover .cl-minor-label { color: var(--paper-ink); }
.cl-minor-list {
  list-style: none;
  margin: 0; padding: 2px 18px 14px;
  display: grid; gap: 8px;
}
.cl-minor-item {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 13.5px; line-height: 1.75;
  color: var(--paper-ink);
}
.cl-minor-d {
  flex-shrink: 0;
  font-size: 12px; letter-spacing: 0.06em;
  color: rgba(107, 100, 85, 0.75);
  margin-top: 2px;
}

/* ---------- 卷尾铭 ---------- */
.cl-colophon {
  margin-top: 50px;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 13px; letter-spacing: 0.12em;
  color: var(--paper-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .cl-spine { padding-left: 18px; }
  .cl-spine::before { left: 17px; }
  .cl-node { padding-left: 30px; padding-bottom: 26px; }
  .cl-seal {
    left: -8px;
    width: 48px; height: 48px;
    font-size: 21px;
    border-radius: 13px;
  }
  .cl-dot { left: 13px; }
  .cl-card { padding: 18px 16px 16px; }
  .cl-ver { font-size: 20px; }
  .cl-date { margin-left: 0; flex-basis: 100%; }
  .cl-minor-sum { flex-wrap: wrap; padding: 12px 14px; }
  .cl-minor-list { padding: 2px 14px 12px; }
  .cl-minor-item { flex-direction: column; gap: 2px; }
}

/* ---------- 袖中天覆写 ---------- */
html[data-theme="xiu"] .cl-seal {
  color: #e8ddc8;
  background: radial-gradient(circle at 34% 30%, #4a3f6e, #2c2547 78%);
  border-color: rgba(154, 134, 190, 0.6);
  box-shadow: 0 8px 22px rgba(44, 37, 71, 0.35), inset 0 0 14px rgba(154, 134, 190, 0.18);
}
html[data-theme="xiu"] .cl-hero-meta { color: rgba(216, 208, 232, 0.82); }
html[data-theme="xiu"] .cl-hero-meta b { color: #c9b8e8; }
html[data-theme="xiu"] .cl-vername,
html[data-theme="xiu"] .cl-minor-arrow { color: #584a85; }
html[data-theme="xiu"] .cl-tagline { border-left-color: rgba(88, 74, 133, 0.5); }
html[data-theme="xiu"] .cl-card { border-color: rgba(88, 74, 133, 0.35); }
html[data-theme="xiu"] .cl-spine::before {
  background: linear-gradient(to bottom,
    rgba(88, 74, 133, 0.5),
    rgba(44, 42, 36, 0.16) 30%,
    rgba(44, 42, 36, 0.16) 92%,
    transparent);
}
html[data-theme="xiu"] .cl-view.active {
  border-color: #584a85;
  background: linear-gradient(135deg, #6e5f9e, #584a85);
  color: #f2edfa;
}
html[data-theme="xiu"] .cl-tag.is-new { color: #584a85; background: rgba(88, 74, 133, 0.12); border-color: rgba(88, 74, 133, 0.42); }