/* ==========================================================================
   Angles — 页面专属组件（在 style.css 之后加载）
   ========================================================================== */

/* ── 页面标题区 ───────────────────────────────────────────────────────── */

.page-hero {
  position: relative;
  padding: 56px 0 48px;
  background: var(--color-bg-secondary);
  overflow: hidden;
}
.page-hero .hero-glow { top: -160px; right: -80px; }
.page-hero-inner { position: relative; z-index: 1; text-align: center; }
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.page-hero p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* ── 公告框 ───────────────────────────────────────────────────────────── */

.notice {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 26px;
  margin: 0 0 32px;
  border-radius: var(--radius-lg);
  background: rgba(245, 158, 11, .08);
  border: 1px solid rgba(245, 158, 11, .25);
}
.notice-icon { font-size: 24px; flex: none; line-height: 1.4; }
.notice p { font-size: .925rem; color: var(--color-text); margin-bottom: 6px; }
.notice p:last-child { margin-bottom: 0; }
.notice strong { color: var(--color-warning); }

/* ── 下载卡片 ─────────────────────────────────────────────────────────── */

.dl-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.dl-header {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.dl-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 15px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  font-family: var(--font-mono);
}
.dl-date { font-size: .875rem; color: var(--color-text-secondary); }
.dl-changelog {
  margin-left: auto;
  font-size: .875rem;
  color: var(--color-primary);
  font-weight: 500;
}
.dl-changelog:hover { text-decoration: underline; }

.dl-card h2 { font-size: 1.55rem; font-weight: 700; margin-bottom: 8px; }
.dl-req { font-size: .925rem; color: var(--color-text-secondary); margin-bottom: 24px; }

/* 下载选项网格 */
.dl-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.dl-option {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.dl-option h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.dl-option > p { font-size: .875rem; color: var(--color-text-secondary); margin-bottom: 18px; }

/* 文件名 + 体积 */
.file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.file-name {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 7px 11px;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-size {
  flex: none;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 7px 11px;
  color: var(--color-text);
}
.file-hash {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  word-break: break-all;
}

/* 下载按钮组 */
.dl-buttons { display: flex; flex-direction: column; gap: 10px; margin-top: auto; }

.btn-dl {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  text-align: center;
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.btn-dl:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-dl.primary {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}
.btn-dl.primary:hover {
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-dl[disabled] { opacity: .5; pointer-events: none; }

/* ── 包管理器区块 ─────────────────────────────────────────────────────── */

.pm-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin-bottom: 28px;
}
.pm-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.pm-head h3 { font-size: 1.15rem; font-weight: 700; }
.pm-card > p { font-size: .925rem; color: var(--color-text-secondary); margin-bottom: 18px; }

.code-block {
  background: #0d1117;
  border: 1px solid #21262d;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: .84rem;
  line-height: 2;
  color: #c9d1d9;
  overflow-x: auto;
  white-space: pre;
}
.code-block .cm { color: #6e7681; }
.code-block .pr { color: #58a6ff; }
.code-block .cmd { color: #ffa657; }
.code-block .ok { color: #3fb950; }

.pm-note {
  font-size: .875rem;
  color: var(--color-text-secondary);
  margin-top: 16px;
  line-height: 1.8;
}
.pm-note code {
  font-family: var(--font-mono);
  font-size: .8rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
}

/* ── 平台标签页 ───────────────────────────────────────────────────────── */

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0;
}
.tab {
  padding: 11px 20px;
  font-size: .925rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color .2s, border-color .2s;
  margin-bottom: -1px;
}
.tab:hover { color: var(--color-text); }
.tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── 安装指南步骤 ─────────────────────────────────────────────────────── */

.guide-steps { display: flex; flex-direction: column; gap: 4px; }
.guide-step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.guide-step:last-child { border-bottom: none; }
.guide-num {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
}
.guide-step h4 { font-size: .98rem; font-weight: 700; margin-bottom: 5px; }
.guide-step p { font-size: .9rem; color: var(--color-text-secondary); }
.guide-step code {
  font-family: var(--font-mono);
  font-size: .8rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
}

/* ── 文档页 TOC ───────────────────────────────────────────────────────── */

.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}
.doc-toc {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  border-left: 2px solid var(--color-border);
  padding-left: 18px;
}
.doc-toc h4 {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.doc-toc a {
  display: block;
  font-size: .875rem;
  color: var(--color-text-secondary);
  padding: 6px 0;
  transition: color .2s;
}
.doc-toc a:hover { color: var(--color-primary); }

.doc-body h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 40px 0 16px;
  padding-top: 8px;
}
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 { font-size: 1.1rem; font-weight: 700; margin: 26px 0 12px; }
.doc-body p { font-size: .95rem; color: var(--color-text-secondary); margin-bottom: 14px; line-height: 1.8; }
.doc-body ul { margin: 0 0 16px 22px; }
.doc-body li { font-size: .95rem; color: var(--color-text-secondary); margin-bottom: 8px; line-height: 1.7; }
.doc-body code {
  font-family: var(--font-mono);
  font-size: .84rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
}
.doc-body pre {
  background: #0d1117;
  border: 1px solid #21262d;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: .84rem;
  line-height: 1.8;
  color: #c9d1d9;
  overflow-x: auto;
  margin-bottom: 18px;
}
.doc-body pre code { background: none; border: none; padding: 0; color: inherit; }

/* ── 关于页数据卡 ─────────────────────────────────────────────────────── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.stat {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}
.stat .num {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  margin-bottom: 6px;
}
.stat .lbl { font-size: .875rem; color: var(--color-text-secondary); }

.prose { max-width: 780px; }
.prose h2 { font-size: 1.4rem; font-weight: 700; margin: 36px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose p { font-size: .95rem; color: var(--color-text-secondary); margin-bottom: 16px; line-height: 1.85; }
.prose ul { margin: 0 0 16px 22px; }
.prose li { font-size: .95rem; color: var(--color-text-secondary); margin-bottom: 8px; line-height: 1.7; }
.prose a { color: var(--color-primary); }
.prose a:hover { text-decoration: underline; }

/* ── 响应式 ───────────────────────────────────────────────────────────── */

/* ── 赞助双码 ─────────────────────────────────────────────────────────── */

.donate-codes {
  display: flex;
  gap: 20px;
  flex: none;
  align-items: center;
}
.donate-codes .qr { padding: 10px; }
.donate-codes .qr img { width: 170px; height: 170px; }
.donate-codes .pay-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  padding-top: 8px;
}
.donate-codes .pay-badge.alipay { color: #1677FF; }
.donate-codes .pay-badge.wechat { color: #07C160; }

@media (max-width: 1100px) {
  .donate-codes { flex-direction: column; gap: 14px; }
  .donate-codes .qr img { width: 160px; height: 160px; }
}

@media (max-width: 960px) {
  .doc-layout { grid-template-columns: 1fr; gap: 24px; }
  .doc-toc { position: static; border-left: none; border-top: 1px solid var(--color-border); padding: 18px 0 0; }
  .dl-changelog { margin-left: 0; width: 100%; }
}

@media (max-width: 640px) {
  .dl-card, .pm-card { padding: 22px; }
  .dl-options { grid-template-columns: 1fr; }
  .code-block { font-size: .76rem; padding: 15px 16px; }
  .tabs { gap: 0; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .tab { padding: 11px 14px; font-size: .875rem; white-space: nowrap; }
  .page-hero { padding: 40px 0 34px; }
  .file-name { font-size: .72rem; }
  .notice { padding: 18px 20px; gap: 14px; }
}