/* ── 设计令牌 ── */
:root {
  --bg:        #0a0a0a;
  --bg-card:   #111111;
  --bg-hover:  #171717;
  --border:    #222222;
  --border-hi: #333333;
  --text-1:    #f0ede6;
  --text-2:    #a09a90;
  --text-3:    #5a5550;
  --accent:    #c8a96e;       /* 金色 */
  --accent-dim:#7a6540;
  --tag-cn:    #c0392b;
  --tag-jp:    #c0392b;
  --tag-tw:    #1a6b3c;
  --tag-kr:    #1a3a6b;
  --font-serif: 'Playfair Display', 'Noto Serif TC', serif;
  --font-sans:  'Noto Sans TC', sans-serif;
  --font-mono:  'DM Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── 顶部横幅 ── */
.ticker {
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-inner {
  display: inline-block;
  animation: ticker 40s linear infinite;
}
.ticker-inner span { margin: 0 48px; }
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Header ── */
header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.logo-zh {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--text-1);
  line-height: 1;
}
.logo-en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
}
.header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.header-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.08em;
}
.header-tagline {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

/* ── 导航过滤栏 ── */
nav {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 40px;
  overflow-x: auto;
  scrollbar-width: none;
}
nav::-webkit-scrollbar { display: none; }

.nav-section {
  display: flex;
  align-items: center;
  gap: 0;
}
.nav-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 20px;
  flex-shrink: 0;
}
.filter-btn {
  background: none;
  border: none;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 14px;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: color 0.2s;
}
.filter-btn::after {
  content: '';
  position: absolute;
  bottom: 0; left: 14px; right: 14px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.filter-btn:hover { color: var(--text-2); }
.filter-btn.active {
  color: var(--accent);
}
.filter-btn.active::after { transform: scaleX(1); }

/* ── 主体布局 ── */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 40px 80px;
}

/* ── 版块标题 ── */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
}
.section-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-dim);
}

/* ── 精选文章（大卡片）── */
.featured-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}
.article-card {
  background: var(--bg-card);
  padding: 32px;
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
  overflow: hidden;
}
.article-card:hover { background: var(--bg-hover); }
.article-card.featured-main { padding: 48px; }

/* ── 文章卡片内容 ── */
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.country-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 500;
}
.country-tag.CN { background: rgba(192,57,43,0.15); color: #e74c3c; border: 1px solid rgba(192,57,43,0.3); }
.country-tag.JP { background: rgba(192,57,43,0.1); color: #e74c3c; border: 1px solid rgba(192,57,43,0.2); }
.country-tag.TW { background: rgba(26,107,60,0.15); color: #2ecc71; border: 1px solid rgba(26,107,60,0.3); }
.country-tag.KR { background: rgba(26,58,107,0.2); color: #5b9bd5; border: 1px solid rgba(26,58,107,0.4); }

.category-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-3);
}
.card-date {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
  margin-left: auto;
}

.card-title {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-1);
  margin-bottom: 14px;
  transition: color 0.2s;
}
.article-card:hover .card-title { color: var(--accent); }

.featured-main .card-title { font-size: 28px; }
.featured-side .card-title  { font-size: 20px; }
.list-card .card-title      { font-size: 17px; }

.card-summary {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.featured-main .card-summary { -webkit-line-clamp: 4; font-size: 15px; }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.card-author {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.08em;
}
.read-more {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}
.read-more::after { content: '→'; }

/* ── 文章列表网格 ── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}

/* ── 加载状态 ── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  gap: 16px;
}
.loading-spinner {
  width: 32px; height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-3);
  text-transform: uppercase;
}

/* ── 空状态 ── */
.empty-state {
  text-align: center;
  padding: 80px 40px;
  color: var(--text-3);
}
.empty-state p { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; }

/* ── 错误状态 ── */
.error-state {
  text-align: center;
  padding: 60px 40px;
}
.error-state p { font-family: var(--font-mono); font-size: 12px; color: #e74c3c; letter-spacing: 0.1em; }

/* ── 文章详情页 ── */
#detail-view { display: none; }
#detail-view.active { display: block; }
#list-view.hidden { display: none; }

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-3);
  text-transform: uppercase;
  cursor: pointer;
  margin-bottom: 40px;
  transition: color 0.2s;
}
.back-btn:hover { color: var(--accent); }
.back-btn::before { content: '←'; }

.detail-container {
  max-width: 800px;
  margin: 0 auto;
}
.detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.detail-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-1);
  margin-bottom: 20px;
}
.detail-summary {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.8;
  padding: 24px;
  border-left: 3px solid var(--accent);
  background: rgba(200,169,110,0.05);
  margin-bottom: 32px;
  font-style: italic;
}
.detail-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}
.detail-divider-line { flex: 1; height: 1px; background: var(--border); }
.detail-divider-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
}
.detail-content {
  font-family: 'Noto Serif TC', serif;
  font-size: 16px;
  line-height: 2;
  color: var(--text-1);
  white-space: pre-wrap;
}
.detail-content p { margin-bottom: 1.5em; }

.detail-source {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.detail-source-info {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.08em;
}

/* ── 分页 ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.page-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.2s;
}
.page-btn:hover, .page-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 900;
  color: var(--text-3);
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-3);
}

/* ── 响应式 ── */
@media (max-width: 1024px) {
  .featured-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .header-top { padding: 16px 20px; }
  nav { padding: 0 20px; }
  main { padding: 24px 20px 60px; }
  .articles-grid { grid-template-columns: 1fr; }
  .featured-main { padding: 28px; }
  .featured-main .card-title { font-size: 22px; }
  .detail-title { font-size: 26px; }
  footer { flex-direction: column; gap: 12px; text-align: center; }
}

/* ── 进场动画 ── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ── Light Mode 主题 ── */
[data-theme="light"] {
  --bg:        #faf8f4;
  --bg-card:   #ffffff;
  --bg-hover:  #f3f0eb;
  --border:    #e8e4de;
  --border-hi: #d4cfc8;
  --text-1:    #1a1a1a;
  --text-2:    #4a4540;
  --text-3:    #9a9590;
  --accent:    #9a6e2e;
  --accent-dim:#c4a060;
}

[data-theme="light"] .ticker {
  background: #1a1a1a;
  color: #c8a96e;
}

[data-theme="light"] header {
  background: rgba(250,248,244,0.95);
}

[data-theme="light"] .country-tag.CN { background: rgba(192,57,43,0.1); color: #c0392b; border-color: rgba(192,57,43,0.25); }
[data-theme="light"] .country-tag.JP { background: rgba(192,57,43,0.08); color: #c0392b; border-color: rgba(192,57,43,0.2); }
[data-theme="light"] .country-tag.TW { background: rgba(26,107,60,0.1); color: #1a6b3c; border-color: rgba(26,107,60,0.25); }
[data-theme="light"] .country-tag.KR { background: rgba(26,58,107,0.1); color: #1a3a6b; border-color: rgba(26,58,107,0.25); }

[data-theme="light"] .detail-summary {
  background: rgba(154,110,46,0.06);
}

[data-theme="light"] .company-ticker-badge {
  background: rgba(154,110,46,0.1);
  border-color: #c4a060;
}

[data-theme="light"] .article-company-chip.listed {
  border-color: #c4a060;
}

/* ── 主题切换按钮（Header）── */
.theme-toggle-header {
  background: none;
  border: 1px solid var(--border-hi);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}
.theme-toggle-header:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── 主题切换按钮（右下角悬浮）── */
.theme-toggle-fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  color: var(--text-2);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  transition: all 0.2s;
}
.theme-toggle-fab:hover {
  border-color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}

/* ── 全站主题过渡动画 ── */
*, *::before, *::after {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.2s ease;
}
/* 排除动画类，避免冲突 */
.article-card {
  transition: background 0.2s, opacity 0.4s ease, transform 0.4s ease !important;
}

/* ── 数据看板 ── */
.dashboard {
  margin-bottom: 40px;
}
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}
.dashboard-grid-bottom {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.chart-card {
  background: var(--bg-card);
  padding: 24px;
  position: relative;
}
.chart-card-wide {
  background: var(--bg-card);
  padding: 24px;
}
.stat-card {
  background: var(--bg-card);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: default;
  transition: background 0.2s;
}
.stat-card:hover { background: var(--bg-hover); }
.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
}
.stat-value {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 900;
  color: var(--text-1);
  line-height: 1;
}
.stat-change {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}
.chart-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.chart-container {
  position: relative;
  width: 100%;
}

/* ── 数据页面 ── */
#data-view { display: none; }
#data-view.active { display: block; }
.data-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}
.data-dashboard-full {
  background: var(--bg-card);
  padding: 32px;
  margin-bottom: 1px;
}
.data-chart-card {
  background: var(--bg-card);
  padding: 32px;
}

/* ── 导航 Data 按钮 ── */
.nav-data-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: none;
  border: 1px solid var(--accent-dim);
  padding: 6px 14px;
  cursor: pointer;
  margin-left: 16px;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-data-btn:hover {
  background: var(--accent);
  color: #0a0a0a;
}

/* ── 文章内图表 ── */
.inline-chart-block {
  margin: 32px 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 24px;
}
.inline-chart-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ── 公司标签（全站通用）── */
.company-tag {
  display: inline;
  color: var(--text-1);
  cursor: pointer;
  transition: color 0.2s;
  white-space: nowrap;
}
.company-tag:hover { color: var(--accent); }
.company-tag.listed {
  text-decoration: underline wavy var(--accent);
  text-underline-offset: 3px;
}
.company-ticker {
  font-family: var(--font-mono);
  font-size: 0.75em;
  color: var(--accent-dim);
  margin-left: 2px;
}
.company-tag:hover .company-ticker { color: var(--accent); }

/* ── 公司页面 ── */
#companies-view { display: none; }
#companies-view.active { display: block; }

.companies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.company-card {
  background: var(--bg-card);
  padding: 28px;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.company-card:hover { background: var(--bg-hover); }
.company-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.company-name-block { flex: 1; }
.company-name-zh {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.2;
  margin-bottom: 4px;
}
.company-name-en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-3);
  text-transform: uppercase;
}
.company-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.company-ticker-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(200,169,110,0.1);
  border: 1px solid var(--accent-dim);
  padding: 3px 8px;
  border-radius: 2px;
}
.company-exchange-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--text-3);
}
.company-desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.company-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.company-meta-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.company-visit-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.2s;
}
.company-visit-btn:hover { opacity: 0.7; }
.company-visit-btn::after { content: '↗'; }

/* 文章详情中的公司面板 */
.article-companies-panel {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.article-companies-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.article-companies-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-company-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  text-decoration: none;
}
.article-company-chip:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}
.article-company-chip.listed {
  border-color: var(--accent-dim);
}
.chip-name {
  font-size: 13px;
  color: var(--text-1);
}
.chip-name.listed {
  text-decoration: underline wavy var(--accent);
  text-underline-offset: 3px;
}
.chip-ticker {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
}

@media (max-width: 1024px) {
  .companies-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .companies-grid { grid-template-columns: 1fr; }
}