/* ============================================================
   Clash for Windows 下载站 · components.css
   跨页面组件:tab / toc / FAQ / 术语卡 / 下载卡 / 文章卡
   callout / dl-fab / 特性浏览器 / 文末下载引导
   依赖 base.css 的设计令牌,不许出现硬编码颜色
   ============================================================ */

/* ---------- 1. Tab 切换(下载页平台切换等) ---------- */
.tabset { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.tabset [role="tab"] {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  min-height: 42px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-ctl);
  background: var(--card);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s var(--ease-fluent), color .15s var(--ease-fluent),
    border-color .15s var(--ease-fluent), box-shadow .15s var(--ease-fluent);
}
.tabset [role="tab"] svg { flex-shrink: 0; }
.tabset [role="tab"]:hover { background: var(--card-2); color: var(--ink); }
.tabset [role="tab"].on,
.tabset [role="tab"][aria-selected="true"] {
  background: var(--accent);
  border-color: var(--accent-2);
  color: var(--on-accent);
  box-shadow: var(--accent-shadow);
}
.tabpane { display: none; }
.tabpane.on { display: block; animation: pane-in .28s var(--ease-fluent); }
@keyframes pane-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 2. 长页分类跳转导航(toc) ---------- */
.toc-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  margin-bottom: 28px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-1);
}
.toc-rail a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--r-ctl);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
}
.toc-rail a:hover { background: var(--veil); color: var(--accent-2); text-decoration: none; }
.toc-rail a::before {
  content: "";
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* 深文档页侧边/顶部章节目录列表 */
.toc-list { list-style: none; margin: 0 0 1em; padding: 0; }
.toc-list li { margin: 0; }
.toc-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-ctl);
  color: var(--ink-2);
  font-size: 14px;
}
.toc-list a:hover { background: var(--veil); color: var(--accent-2); text-decoration: none; }

/* ---------- 3. FAQ 折叠项 ---------- */
.qa {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-1);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .2s var(--ease-fluent);
}
.qa[open] { box-shadow: var(--shadow-2); }
.qa summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--ink);
  transition: background .15s var(--ease-fluent);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { background: var(--card-2); }
.qa summary::before {
  content: "?";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--accent-wash);
  border: 1px solid var(--accent);
  color: var(--accent-2);
  font-size: 14px;
  font-weight: 700;
}
.qa summary::after {
  content: "";
  margin-left: auto;
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--ink-2);
  border-bottom: 1.5px solid var(--ink-2);
  transform: rotate(45deg);
  transition: transform .2s var(--ease-fluent);
}
.qa[open] summary::after { transform: rotate(-135deg); }
.qa-body { padding: 4px 18px 18px 56px; color: var(--ink-2); font-size: 14.5px; }
.qa-body > :last-child { margin-bottom: 0; }
@media (max-width: 560px) { .qa-body { padding-left: 18px; } }

/* ---------- 4. 术语卡 ---------- */
.term-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.term-grid > * { min-width: 0; }
@media (max-width: 720px) { .term-grid { grid-template-columns: 1fr; } }
.term {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-1);
  padding: 18px 20px;
  transition: transform .2s var(--ease-fluent), box-shadow .2s var(--ease-fluent);
}
.term:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.term-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.term-head h3 { font-size: 16.5px; margin: 0; }
.term p { color: var(--ink-2); font-size: 14px; margin-bottom: 0; }

/* ---------- 5. 下载客户端卡片 ---------- */
.dl-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  margin-bottom: 16px;
  transition: transform .2s var(--ease-fluent), box-shadow .2s var(--ease-fluent);
}
.dl-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.dl-card.is-top { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow-2); }
.dl-card-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--hairline-soft);
}
.dl-card-head img { width: 48px; height: 48px; flex-shrink: 0; }
.dl-card-head h3 { font-size: 18px; margin: 0; }
.dl-card-head .ver-chip { margin-left: auto; }
.dl-card-body { padding: 16px 20px; }
.dl-card-body > :last-child { margin-bottom: 0; }
.dl-card-body p { color: var(--ink-2); font-size: 14.5px; }
.dl-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.dl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 9px 20px;
  border-top: 1px solid var(--hairline-soft);
  background: var(--card-2);
  font-size: 12.5px;
  color: var(--ink-2);
}
.dl-meta .cell { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }
.dl-card.is-eol { opacity: .82; }
@media (max-width: 560px) {
  .dl-card-head .ver-chip { margin-left: 0; }
  .dl-actions .btn { flex: 1 1 auto; }
}

/* 系统要求小表容器复用 base 的 .table-scroll */

/* ---------- 6. 博客文章卡 ---------- */
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-1);
  padding: 20px 22px;
  transition: transform .2s var(--ease-fluent), box-shadow .2s var(--ease-fluent);
  min-width: 0;
}
.post-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12.5px;
  color: var(--ink-2);
}
.post-meta time { font-family: var(--font-mono); font-size: 12px; }
.post-card h3 { font-size: 17px; line-height: 1.4; margin-bottom: .5em; }
.post-card h3 a { color: var(--ink); }
.post-card h3 a:hover { color: var(--accent-2); text-decoration: none; }
.post-card p { color: var(--ink-2); font-size: 14px; margin-bottom: 14px; }
.post-more {
  margin-top: auto;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent-2);
}

/* 博客标签筛选条 */
.tag-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.tag-filter button {
  padding: 6px 16px;
  min-height: 36px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  background: var(--card);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s var(--ease-fluent), color .15s var(--ease-fluent), border-color .15s var(--ease-fluent);
}
.tag-filter button:hover { background: var(--card-2); color: var(--ink); }
.tag-filter button.on {
  background: var(--accent);
  border-color: var(--accent-2);
  color: var(--on-accent);
}

/* 面包屑(博客文章页) */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 1.6rem;
  margin-bottom: 1.2rem;
  font-size: 13px;
  color: var(--ink-2);
  list-style: none;
  padding: 0;
}
.crumbs li { display: inline-flex; align-items: center; gap: 6px; min-width: 0; margin: 0; }
.crumbs li + li::before { content: "›"; color: var(--hairline); flex-shrink: 0; }
.crumbs a { color: var(--ink-2); }
.crumbs a:hover { color: var(--accent-2); }

/* ---------- 7. callout 引用块 ---------- */
.callout {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  margin: 0 0 1.2em;
  background: var(--accent-wash);
  border: 1px solid var(--accent);
  border-radius: var(--r-win);
  color: var(--ink);
  font-size: 14.5px;
}
.callout::before {
  content: "i";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  font-size: 13px;
  font-style: normal;
}
.callout > :last-child { margin-bottom: 0; }
.callout-ok { background: var(--ok-wash); border-color: var(--ok); }
.callout-ok::before { content: "✓"; background: var(--ok); }
.callout-warn { background: var(--warn-wash); border-color: var(--warn); }
.callout-warn::before { content: "!"; background: var(--warn); }
.callout-danger { background: var(--danger-wash); border-color: var(--danger); }
.callout-danger::before { content: "×"; background: var(--danger); }

/* ---------- 8. 首页特性浏览器(左目录 + 右详情窗) ---------- */
.feat-split {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}
.feat-split > * { min-width: 0; }
.feat-rail { display: flex; flex-direction: column; gap: 6px; }
.feat-rail [role="tab"] {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 13px 16px;
  min-height: 48px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-ctl);
  background: var(--card);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background .15s var(--ease-fluent), border-color .15s var(--ease-fluent), color .15s var(--ease-fluent);
}
.feat-rail [role="tab"]::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  border: 1.5px solid var(--ink-2);
  transition: background .15s var(--ease-fluent), border-color .15s var(--ease-fluent);
}
.feat-rail [role="tab"]:hover { background: var(--card-2); color: var(--ink); }
.feat-rail [role="tab"].on,
.feat-rail [role="tab"][aria-selected="true"] {
  background: var(--accent-wash);
  border-color: var(--accent);
  color: var(--accent-2);
}
.feat-rail [role="tab"].on::before { background: var(--accent); border-color: var(--accent); }
.feat-stage .win-body { min-height: 240px; }
.feat-stage h3 { font-size: 20px; }
.feat-stage .feat-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
@media (max-width: 820px) {
  .feat-split { grid-template-columns: 1fr; }
  .feat-rail { flex-direction: row; flex-wrap: wrap; }
  .feat-rail [role="tab"] { width: auto; flex: 1 1 40%; }
}

/* ---------- 9. 文末下载引导卡(博客文章页) ---------- */
.endcap {
  margin-top: 2.4rem;
  background: var(--card-tint);
  border: 1px solid var(--accent);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-2);
  padding: clamp(20px, 3.4vw, 32px);
  text-align: center;
}
.endcap h2 { font-size: clamp(19px, 2.4vw, 24px); }
.endcap h2::before { content: none; }
.endcap p { color: var(--ink-2); max-width: 32em; margin-left: auto; margin-right: auto; }
.endcap-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 18px; }

/* 延伸阅读 / 上一篇下一篇 */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 1.6rem;
}
.post-nav > * { min-width: 0; }
@media (max-width: 560px) { .post-nav { grid-template-columns: 1fr; } }
.post-nav a {
  display: block;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  color: var(--ink);
  font-size: 14px;
  transition: border-color .15s var(--ease-fluent), box-shadow .15s var(--ease-fluent);
}
.post-nav a:hover { border-color: var(--accent); box-shadow: var(--shadow-1); text-decoration: none; }
.post-nav .nav-label { display: block; font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }

/* ---------- 10. dl-fab 右下角常驻下载浮层(博客文章页使用) ---------- */
.dl-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 860;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  min-height: 48px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border: 1px solid var(--accent-2);
  color: var(--on-accent);
  font-size: 14.5px;
  font-weight: 700;
  box-shadow: var(--accent-shadow);
  transition: transform .2s var(--ease-fluent), box-shadow .2s var(--ease-fluent);
}
.dl-fab:hover { transform: translateY(-2px); color: var(--on-accent); text-decoration: none; box-shadow: var(--shadow-lift); }
.dl-fab svg { flex-shrink: 0; }
@media (max-width: 560px) {
  .dl-fab { right: 12px; bottom: 12px; padding: 10px 16px; font-size: 13.5px; }
}