/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #1f2937;
  background-color: #ffffff;
  line-height: 1.75;
}

a {
  color: #4f46e5;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ===== Layout ===== */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ===== Header ===== */
.site-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid #e5e7eb;
}

.site-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #111827;
  letter-spacing: -0.02em;
}

.site-header h1 a {
  color: inherit;
}

.site-header h1 a:hover {
  text-decoration: none;
  color: #4f46e5;
}

.site-header .subtitle {
  font-size: 0.9375rem;
  color: #6b7280;
  margin-top: 6px;
}

.site-header .back-link {
  font-size: 0.875rem;
  color: #6b7280;
  display: inline-block;
  margin-bottom: 12px;
}

.site-header .back-link:hover {
  color: #4f46e5;
}

/* ===== Main ===== */
main {
  padding: 32px 0;
  min-height: calc(100vh - 200px);
}

/* ===== Article List ===== */
.article-list {
  list-style: none;
}

.article-card {
  padding: 28px 0;
  border-bottom: 1px solid #f3f4f6;
}

.article-card:last-child {
  border-bottom: none;
}

.article-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
}

.article-card h2 a {
  color: #111827;
}

.article-card h2 a:hover {
  color: #4f46e5;
  text-decoration: none;
}

.article-meta {
  font-size: 0.8125rem;
  color: #9ca3af;
  margin-bottom: 10px;
}

.article-summary {
  font-size: 0.9375rem;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 12px;
}

.read-more {
  font-size: 0.875rem;
  font-weight: 500;
  color: #4f46e5;
}

.read-more:hover {
  text-decoration: underline;
}

/* ===== Article Detail ===== */
.article-detail header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f3f4f6;
}

.article-detail h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #111827;
  line-height: 1.3;
  margin-bottom: 10px;
}

.article-detail .article-meta {
  font-size: 0.875rem;
  color: #9ca3af;
}

.article-body {
  font-size: 1rem;
  color: #374151;
  line-height: 1.85;
}

.article-body p {
  margin-bottom: 1.25em;
}

.article-body h2 {
  font-size: 1.375rem;
  font-weight: 600;
  color: #111827;
  margin-top: 2em;
  margin-bottom: 0.75em;
  line-height: 1.35;
}

.article-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  margin-top: 1.75em;
  margin-bottom: 0.6em;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.25em;
  padding-left: 1.75em;
}

.article-body li {
  margin-bottom: 0.4em;
}

.article-body pre {
  background-color: #f3f4f6;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 1.25em;
}

.article-body code {
  font-family: "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;
  font-size: 0.875em;
  background-color: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
  color: #be185d;
}

.article-body pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-body blockquote {
  border-left: 3px solid #e5e7eb;
  padding-left: 16px;
  margin-left: 0;
  margin-bottom: 1.25em;
  color: #6b7280;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1em 0;
}

.article-body hr {
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 2em 0;
}

/* ===== Footer ===== */
.site-footer {
  background-color: #f9fafb;
  border-top: 1px solid #e5e7eb;
  padding: 24px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: #9ca3af;
}

.site-footer a {
  color: #6b7280;
}

.site-footer a:hover {
  color: #4f46e5;
}

/* ===== Table (article content) ===== */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0 1.25em;
  font-size: 0.875rem;
}

.article-body th {
  background: #f8f8f8;
  color: #555;
  padding: 0.5rem 0.8rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid #e0e0e0;
}

.article-body td {
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid #eee;
}

.article-body tr:nth-child(even) td {
  background: #fafafa;
}

/* ===== Card (article content) ===== */
.article-body .card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1.5rem;
  margin: 1.2rem 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.article-body .card h2 {
  font-size: 1.2rem;
  color: #1a1a2e;
  border-bottom: 2px solid #c41230;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  margin-top: 0;
}

.article-body .card h3 {
  font-size: 1rem;
  color: #555;
  margin: 1rem 0 0.5rem;
}

.article-body .card-red {
  background: #fff5f5;
  border: 2px solid #c41230;
}

.article-body .card-red h2 {
  border-bottom-color: #c41230;
}

/* ===== One-liner (article content) ===== */
.article-body .oneliner {
  background: #fff5f5;
  border: 2px solid #c41230;
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.9;
  color: #4a1010;
}

/* ===== Score Bar (article content) ===== */
.article-body .score-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.3rem 0;
}

.article-body .score-bar .label {
  width: 160px;
  font-size: 0.85rem;
  text-align: right;
  color: #666;
  flex-shrink: 0;
}

.article-body .score-bar .bar-bg {
  flex: 1;
  height: 8px;
  background: #eee;
  border-radius: 4px;
  overflow: hidden;
}

.article-body .score-bar .bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #4ecb71, #f0c060, #e94560);
}

.article-body .score-bar .score {
  width: 40px;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  flex-shrink: 0;
}

/* ===== Tags (article content) ===== */
.article-body .tag {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0.2rem;
}

.article-body .tag-red {
  background: #ffe0e0;
  color: #a00;
}

.article-body .tag-yellow {
  background: #fff3d0;
  color: #860;
}

.article-body .tag-green {
  background: #d0ffe0;
  color: #060;
}

/* ===== Big Number (article content) ===== */
.article-body .big-number {
  font-size: 2rem;
  font-weight: 800;
  color: #c41230;
  text-align: center;
  padding: 0.5rem;
}

/* ===== Highlight (article content) ===== */
.article-body .highlight {
  background: linear-gradient(180deg, transparent 60%, #ffe066 60%);
  padding: 0 0.2rem;
}

/* ===== Divider (article content) ===== */
.article-body .divider {
  text-align: center;
  color: #ccc;
  margin: 2rem 0;
  font-size: 0.85rem;
}

/* ===== Reference List (article content) ===== */
.article-body .ref-list {
  font-size: 0.85rem;
  color: #666;
}

.article-body .ref-list li {
  margin: 0.2rem 0;
}

/* ===== Article Footer (article content) ===== */
.article-body .article-footer {
  text-align: center;
  color: #888;
  font-size: 0.8rem;
  padding: 2rem 0 1rem;
}

/* ===== Badge (article content) ===== */
.article-body .badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.82em;
  font-weight: 600;
  white-space: nowrap;
}

.article-body .badge-red {
  background: #ffe0e0;
  color: #c41230;
}

.article-body .badge-yellow {
  background: #fff3d0;
  color: #92400e;
}

.article-body .badge-green {
  background: #d0ffe0;
  color: #065f46;
}

.article-body .badge-orange {
  background: #fff0e0;
  color: #c2410c;
}

/* ===== World Cup Report Dark Theme ===== */
.article-body .wc-report {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --red: #f85149;
  --yellow: #d2991d;
  --green: #3fb950;
  --orange: #f0883e;
  background: var(--bg);
  color: var(--text);
  border-radius: 12px;
  padding: 40px 24px;
  margin: 0.5em 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  overflow-x: auto;
}

.article-body .wc-report h1 {
  font-size: 1.8em;
  border-bottom: 2px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 12px;
  color: #fff;
}

.article-body .wc-report h2 {
  font-size: 1.4em;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  color: #f0f6fc;
}

.article-body .wc-report h3 {
  font-size: 1.15em;
  margin-top: 32px;
  margin-bottom: 12px;
  color: #e6edf3;
}

.article-body .wc-report h4 {
  font-size: 1.05em;
  margin-top: 24px;
  margin-bottom: 10px;
  color: #e6edf3;
}

.article-body .wc-report p {
  margin-bottom: 12px;
}

.article-body .wc-report strong {
  color: #fff;
}

.article-body .wc-report hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.article-body .wc-report ul,
.article-body .wc-report ol {
  margin: 8px 0 16px 24px;
}

.article-body .wc-report li {
  margin-bottom: 6px;
}

.article-body .wc-report blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 16px;
  margin: 16px 0;
  color: var(--text-muted);
  background: rgba(88,166,255,0.04);
}

/* Tables in dark theme */
.article-body .wc-report table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.9em;
}

.article-body .wc-report th,
.article-body .wc-report td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
}

.article-body .wc-report th {
  background: var(--surface);
  color: #e6edf3;
  font-weight: 600;
  white-space: nowrap;
}

.article-body .wc-report tr:nth-child(even) td {
  background: rgba(255,255,255,0.02);
}

.article-body .wc-report tr:hover td {
  background: rgba(88,166,255,0.06);
}

/* Meta */
.article-body .wc-report .meta {
  color: var(--text-muted);
  font-size: 0.9em;
  margin-bottom: 24px;
}

.article-body .wc-report .meta strong {
  color: var(--text);
}

/* Highlight Box */
.article-body .wc-report .highlight-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 20px 0;
}

.article-body .wc-report .highlight-box.red {
  border-left: 4px solid var(--red);
}

.article-body .wc-report .highlight-box.yellow {
  border-left: 4px solid var(--yellow);
}

.article-body .wc-report .highlight-box.green {
  border-left: 4px solid var(--green);
}

.article-body .wc-report .highlight-box.blue {
  border-left: 4px solid var(--accent);
}

/* Summary Grid */
.article-body .wc-report .summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.article-body .wc-report .summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
}

.article-body .wc-report .summary-card .label {
  color: var(--text-muted);
  font-size: 0.85em;
  margin-bottom: 4px;
}

.article-body .wc-report .summary-card .value {
  font-size: 1.4em;
  font-weight: 700;
  color: #fff;
}

/* Badge overrides for dark theme */
.article-body .wc-report .badge-red {
  background: rgba(248,81,73,0.2);
  color: #f85149;
}

.article-body .wc-report .badge-yellow {
  background: rgba(210,153,29,0.2);
  color: #d2991d;
}

.article-body .wc-report .badge-green {
  background: rgba(63,185,80,0.2);
  color: #3fb950;
}

.article-body .wc-report .badge-orange {
  background: rgba(240,136,62,0.2);
  color: #f0883e;
}

/* Mobile responsive for dark theme */
@media (max-width: 640px) {
  .article-body .wc-report {
    padding: 20px 14px;
    font-size: 0.95em;
  }
  .article-body .wc-report h1 {
    font-size: 1.4em;
  }
  .article-body .wc-report table {
    font-size: 0.78em;
  }
  .article-body .wc-report th,
  .article-body .wc-report td {
    padding: 6px 8px;
  }
}

/* ===== Article Header (article content) ===== */
.article-body .header {
  text-align: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 3px solid #c41230;
  margin-bottom: 1.5rem;
}

.article-body .header h1 {
  font-size: 1.6rem;
  color: #1a1a2e;
  margin-bottom: 0.3rem;
}

.article-body .header .meta {
  color: #888;
  font-size: 0.85rem;
}

.article-body .header .meta span {
  margin: 0 0.5rem;
}

/* ===== Highlight Box (article content) ===== */
.article-body .highlight-box {
  background: #f8f9ff;
  border: 1px solid #c7d2fe;
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin: 0.8rem 0;
  font-size: 0.93rem;
}

/* ===== Strategy Manual Components ===== */
.article-body {
  --bg: #f8f9fa;
  --card-bg: #fff;
  --text: #1a1a2e;
  --text2: #555;
  --border: #e0e0e0;
  --accent: #7c3aed;
  --accent-light: #ede9fe;
  --buy: #059669;
  --buy-bg: #ecfdf5;
  --sell: #dc2626;
  --sell-bg: #fef2f2;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --info: #6366f1;
  --info-bg: #eef2ff;
}

/* ===== Strategy Manual Components ===== */
/* Override .header for strategy manual dark header style */
.article-body .header {
  background: linear-gradient(135deg, #1a1a2e 0%, #312e81 50%, #4c1d95 100%);
  color: #fff;
  padding: 40px 36px;
  border-radius: 16px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  text-align: left;
  border-bottom: none;
}
.article-body .header h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}
.article-body .header .meta {
  font-size: 14px;
  opacity: 0.8;
  color: rgba(255,255,255,0.8);
}
.article-body .header .meta span {
  margin-right: 20px;
}

.article-body .card h2 .num {
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--accent);color:#fff;font-size:16px;font-weight:700;flex-shrink:0
}

.article-body .philosophy {
  background:var(--info-bg);border:1px solid #c7d2fe;border-radius:10px;padding:16px 20px;margin:12px 0;font-weight:600;font-size:16px;color:#3730a3
}

.article-body .philosophy.danger {
  background:var(--sell-bg);border-color:#fecaca;color:#991b1b
}

.article-body .badge-buy {
  background:var(--buy-bg);color:var(--buy)
}

.article-body .badge-sell {
  background:var(--sell-bg);color:var(--sell)
}

.article-body .badge-warn {
  background:var(--warn-bg);color:var(--warn)
}

.article-body .badge-info {
  background:var(--info-bg);color:var(--info)
}

.article-body .formula {
  background:#1e293b;color:#e2e8f0;padding:12px 18px;border-radius:8px;font-family:"SF Mono","Fira Code","Consolas",monospace;font-size:14px;margin:10px 0;overflow-x:auto
}

.article-body .signal-grid {
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0
}

.article-body .signal-grid {
  grid-template-columns:1fr
}

.article-body .signal-card {
  background:#fafbfc;border:1px solid var(--border);border-radius:10px;padding:18px 20px;border-left:4px solid var(--accent)
}

.article-body .signal-card.s2 {
  border-left-color:#7c3aed
}

.article-body .signal-card.s3 {
  border-left-color:#0891b2
}

.article-body .signal-card .sig-name {
  font-weight:700;font-size:15px;margin-bottom:6px
}

.article-body .signal-card .sig-weight {
  font-size:12px;color:var(--text2);margin-bottom:10px
}

.article-body .signal-card .sig-formula {
  font-size:13px;margin-bottom:6px;color:var(--text2)
}

.article-body .thresholds {
  width:100%;font-size:13px
}

.article-body .thresholds td {
  padding:5px 8px
}

.article-body .thresholds .z-buy {
  color:var(--buy);font-weight:600
}

.article-body .thresholds .z-sell {
  color:var(--sell);font-weight:600
}

.article-body .risk-levels {
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0
}

.article-body .risk-levels {
  grid-template-columns:1fr
}

.article-body .risk-level {
  border-radius:10px;padding:16px;text-align:center
}

.article-body .risk-level.l1 {
  background:var(--warn-bg);border:1px solid #fde68a
}

.article-body .risk-level.l2 {
  background:#fff7ed;border:1px solid #fdba74
}

.article-body .risk-level.l3 {
  background:var(--sell-bg);border:1px solid #fecaca
}

.article-body .risk-level .rl-num {
  font-size:24px;font-weight:700
}

.article-body .risk-level .rl-label {
  font-size:13px;color:var(--text2);margin-top:4px
}

.article-body .risk-level .rl-action {
  font-size:12px;font-weight:600;margin-top:8px
}

.article-body .fail-grid {
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0
}

.article-body .fail-grid {
  grid-template-columns:repeat(2,1fr)
}

.article-body .fail-step {
  border-radius:10px;padding:14px 12px;text-align:center;border:1px solid var(--border)
}

.article-body .fail-step.f1 {
  background:#f0fdf4
}

.article-body .fail-step.f2 {
  background:var(--warn-bg)
}

.article-body .fail-step.f3 {
  background:#fff7ed
}

.article-body .fail-step.f4 {
  background:var(--sell-bg)
}

.article-body .fail-step .fs-count {
  font-size:22px;font-weight:700
}

.article-body .fail-step .fs-action {
  font-size:12px;margin-top:6px
}

.article-body .status-grid {
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0
}

.article-body .status-grid {
  grid-template-columns:repeat(2,1fr)
}

.article-body .status-card {
  border-radius:10px;padding:16px;text-align:center;border:1px solid var(--border)
}

.article-body .status-card .st-value {
  font-size:22px;font-weight:700;margin:6px 0
}

.article-body .status-card .st-label {
  font-size:12px;color:var(--text2)
}

.article-body .status-card.st-buy {
  background:var(--buy-bg);border-color:#a7f3d0
}

.article-body .status-card.st-buy .st-value {
  color:var(--buy)
}

.article-body .callout {
  border-radius:8px;padding:12px 16px;margin:12px 0;font-size:14px;display:flex;align-items:flex-start;gap:10px
}

.article-body .callout-warn {
  background:var(--warn-bg);border:1px solid #fde68a
}

.article-body .callout-info {
  background:var(--info-bg);border:1px solid #c7d2fe
}

.article-body .callout .icon {
  font-size:18px;flex-shrink:0
}

.article-body .checklist .step-num {
  display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:700;margin-right:8px;flex-shrink:0
}

.article-body .checklist .step {
  display:flex;align-items:flex-start;padding:10px 0;border-bottom:1px solid #f1f5f9
}

.article-body .checklist .step:last-child {
  border-bottom:none
}

.article-body .checklist-table td:first-child {
  font-family:"SF Mono","Fira Code","Consolas",monospace;font-size:13px;color:var(--text2)
}

.article-body .tag-s1 {
  background:#dbeafe;color:#1e40af
}

.article-body .tag-s2 {
  background:#ede9fe;color:#6d28d9
}

.article-body .tag-s3 {
  background:#cffafe;color:#155e75
}

.article-body .card h2 .num {
  display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.article-body .philosophy {
  background: var(--info-bg);
    border: 1px solid #c7d2fe;
    border-radius: 10px;
    padding: 16px 20px;
    margin: 12px 0;
    font-weight: 600;
    font-size: 16px;
    color: #3730a3;
}

.article-body .badge-buy {
  background: var(--buy-bg); color: var(--buy);
}

.article-body .badge-sell {
  background: var(--sell-bg); color: var(--sell);
}

.article-body .badge-warn {
  background: var(--warn-bg); color: var(--warn);
}

.article-body .badge-info {
  background: var(--info-bg); color: var(--info);
}

.article-body .formula {
  background: #1e293b;
    color: #e2e8f0;
    padding: 12px 18px;
    border-radius: 8px;
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    font-size: 14px;
    margin: 10px 0;
    overflow-x: auto;
}

.article-body .signal-grid {
  display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 16px 0;
}

.article-body .signal-grid {
  grid-template-columns: 1fr;
}

.article-body .signal-card {
  background: #fafbfc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
    border-left: 4px solid var(--accent);
}

.article-body .signal-card.s2 {
  border-left-color: #7c3aed;
}

.article-body .signal-card.s3 {
  border-left-color: #0891b2;
}

.article-body .signal-card .sig-name {
  font-weight: 700; font-size: 15px; margin-bottom: 6px;
}

.article-body .signal-card .sig-weight {
  font-size: 12px; color: var(--text-secondary); margin-bottom: 10px;
}

.article-body .signal-card .sig-formula {
  font-size: 13px; margin-bottom: 6px; color: var(--text-secondary);
}

.article-body .thresholds {
  width: 100%; font-size: 13px;
}

.article-body .thresholds td {
  padding: 5px 8px;
}

.article-body .thresholds .z-buy {
  color: var(--buy); font-weight: 600;
}

.article-body .thresholds .z-sell {
  color: var(--sell); font-weight: 600;
}

.article-body .risk-levels {
  display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 14px 0;
}

.article-body .risk-levels {
  grid-template-columns: 1fr;
}

.article-body .risk-level {
  border-radius: 10px;
    padding: 16px;
    text-align: center;
}

.article-body .risk-level.l1 {
  background: var(--warn-bg); border: 1px solid #fde68a;
}

.article-body .risk-level.l2 {
  background: #fff7ed; border: 1px solid #fdba74;
}

.article-body .risk-level.l3 {
  background: var(--sell-bg); border: 1px solid #fecaca;
}

.article-body .risk-level .rl-num {
  font-size: 24px; font-weight: 700;
}

.article-body .risk-level .rl-label {
  font-size: 13px; color: var(--text-secondary); margin-top: 4px;
}

.article-body .risk-level .rl-action {
  font-size: 12px; font-weight: 600; margin-top: 8px;
}

.article-body .fail-grid {
  display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 14px 0;
}

.article-body .fail-grid {
  grid-template-columns: repeat(2, 1fr);
}

.article-body .fail-step {
  border-radius: 10px;
    padding: 14px 12px;
    text-align: center;
    border: 1px solid var(--border);
}

.article-body .fail-step.f1 {
  background: #f0fdf4;
}

.article-body .fail-step.f2 {
  background: var(--warn-bg);
}

.article-body .fail-step.f3 {
  background: #fff7ed;
}

.article-body .fail-step.f4 {
  background: var(--sell-bg);
}

.article-body .fail-step .fs-count {
  font-size: 22px; font-weight: 700;
}

.article-body .fail-step .fs-action {
  font-size: 12px; margin-top: 6px;
}

.article-body .checklist {
  font-size: 14px;
}

.article-body .checklist .step-num {
  display: inline-flex;
    align-items: center; justify-content: center;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    margin-right: 8px;
    flex-shrink: 0;
}

.article-body .checklist .step {
  display: flex; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid #f1f5f9;
}

.article-body .checklist .step:last-child {
  border-bottom: none;
}

.article-body .status-grid {
  display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 14px 0;
}

.article-body .status-grid {
  grid-template-columns: repeat(2, 1fr);
}

.article-body .status-card {
  border-radius: 10px;
    padding: 16px;
    text-align: center;
    border: 1px solid var(--border);
}

.article-body .status-card .st-value {
  font-size: 22px; font-weight: 700; margin: 6px 0;
}

.article-body .status-card .st-label {
  font-size: 12px; color: var(--text-secondary);
}

.article-body .status-card.st-buy {
  background: var(--buy-bg); border-color: #a7f3d0;
}

.article-body .status-card.st-buy .st-value {
  color: var(--buy);
}

.article-body .callout {
  border-radius: 8px;
    padding: 12px 16px;
    margin: 12px 0;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.article-body .callout-warn {
  background: var(--warn-bg); border: 1px solid #fde68a;
}

.article-body .callout-info {
  background: var(--info-bg); border: 1px solid #c7d2fe;
}

.article-body .callout .icon {
  font-size: 18px; flex-shrink: 0;
}

.article-body .checklist-table td:first-child {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    font-size: 13px;
    color: var(--text-secondary);
}

.article-body .tag-s1 {
  background: #dbeafe; color: #1e40af;
}

.article-body .tag-s2 {
  background: #ede9fe; color: #6d28d9;
}

.article-body .tag-s3 {
  background: #cffafe; color: #155e75;
}

.article-body .card h2 .num {
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--accent);color:#fff;font-size:16px;font-weight:700;flex-shrink:0
}

.article-body .philosophy {
  background:var(--info-bg);border:1px solid #c7d2fe;border-radius:10px;padding:16px 20px;margin:12px 0;font-weight:600;font-size:16px;color:#3730a3
}

.article-body .philosophy.danger {
  background:var(--sell-bg);border-color:#fecaca;color:#991b1b
}

.article-body .badge-buy {
  background:var(--buy-bg);color:var(--buy)
}

.article-body .badge-sell {
  background:var(--sell-bg);color:var(--sell)
}

.article-body .badge-warn {
  background:var(--warn-bg);color:var(--warn)
}

.article-body .badge-info {
  background:var(--info-bg);color:var(--info)
}

.article-body .signal-grid {
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0
}

.article-body .signal-grid {
  grid-template-columns:1fr
}

.article-body .signal-card {
  background:#fafbfc;border:1px solid var(--border);border-radius:10px;padding:18px 20px;border-left:4px solid var(--accent)
}

.article-body .signal-card.s2 {
  border-left-color:#0891b2
}

.article-body .signal-card.s3 {
  border-left-color:#059669
}

.article-body .signal-card .sig-name {
  font-weight:700;font-size:15px;margin-bottom:6px
}

.article-body .signal-card .sig-weight {
  font-size:12px;color:var(--text2);margin-bottom:10px
}

.article-body .thresholds {
  width:100%;font-size:13px
}

.article-body .thresholds td {
  padding:5px 8px
}

.article-body .thresholds .z-buy {
  color:var(--buy);font-weight:600
}

.article-body .thresholds .z-sell {
  color:var(--sell);font-weight:600
}

.article-body .callout {
  border-radius:8px;padding:12px 16px;margin:12px 0;font-size:14px;display:flex;align-items:flex-start;gap:10px
}

.article-body .callout-warn {
  background:var(--warn-bg);border:1px solid #fde68a
}

.article-body .callout-info {
  background:var(--info-bg);border:1px solid #c7d2fe
}

.article-body .callout .icon {
  font-size:18px;flex-shrink:0
}

.article-body .risk-grid {
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0
}

.article-body .risk-grid {
  grid-template-columns:repeat(2,1fr)
}

.article-body .risk-step {
  border-radius:10px;padding:14px 12px;text-align:center;border:1px solid var(--border)
}

.article-body .risk-step.r1 {
  background:#f0fdf4
}

.article-body .risk-step.r2 {
  background:var(--warn-bg)
}

.article-body .risk-step.r3 {
  background:#fff7ed
}

.article-body .risk-step.r4 {
  background:var(--sell-bg)
}

.article-body .risk-step .rs-label {
  font-size:13px;font-weight:600;margin-bottom:4px
}

.article-body .risk-step .rs-action {
  font-size:12px;color:var(--text2)
}

.article-body .status-grid {
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0
}

.article-body .status-grid {
  grid-template-columns:repeat(2,1fr)
}

.article-body .status-card {
  border-radius:10px;padding:16px;text-align:center;border:1px solid var(--border)
}

.article-body .status-card .st-value {
  font-size:22px;font-weight:700;margin:6px 0
}

.article-body .status-card .st-label {
  font-size:12px;color:var(--text2)
}

.article-body .status-card.st-buy {
  background:var(--buy-bg);border-color:#a7f3d0
}

.article-body .status-card.st-buy .st-value {
  color:var(--buy)
}

@media (max-width: 640px) {
  .article-body .signal-grid { grid-template-columns: 1fr; }
  .article-body .risk-levels { grid-template-columns: 1fr; }
  .article-body .fail-grid { grid-template-columns: repeat(2, 1fr); }
  .article-body .risk-grid { grid-template-columns: repeat(2, 1fr); }
  .article-body .status-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Hero Card (article content) ===== */
.article-body .hero-card {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff;
  border-radius: 14px;
  padding: 32px;
  margin: 24px 0;
  text-align: center;
}

.article-body .hero-card h2 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: #fff;
  margin-top: 0;
}

.article-body .hero-card p {
  opacity: 0.9;
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.article-body .hero-card .cta {
  display: inline-block;
  background: #fff;
  color: #4f46e5;
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
}

.article-body .hero-card .cta:hover {
  transform: translateY(-2px);
}

/* ===== Case Card (article content) ===== */
.article-body .case-card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 20px 24px;
  margin: 16px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.article-body .case-card h3 {
  font-size: 1.05rem;
  margin: 0 0 6px 0;
  color: #111827;
}

.article-body .case-card h3 a {
  color: #111827;
  text-decoration: none;
}

.article-body .case-card h3 a:hover {
  color: #4f46e5;
}

.article-body .case-card .case-meta {
  font-size: 0.8rem;
  color: #888;
  margin-bottom: 8px;
}

.article-body .case-card p {
  font-size: 0.9rem;
  color: #4b5563;
  line-height: 1.6;
}

/* ===== Section Title (article content) ===== */
.article-body .section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #111827;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e0e0e0;
}

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 80px 0;
}

.not-found h2 {
  font-size: 1.5rem;
  color: #111827;
  margin-bottom: 12px;
}

.not-found p {
  color: #6b7280;
  margin-bottom: 20px;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .site-header {
    padding: 32px 0 24px;
  }

  .site-header h1 {
    font-size: 1.5rem;
  }

  .article-detail h1 {
    font-size: 1.5rem;
  }

  .article-body h2 {
    font-size: 1.25rem;
  }

  .article-card {
    padding: 22px 0;
  }
}