:root {
  --primary-color: #4a90e2;
  --background-color: #f0f2f5;
  --card-bg: #ffffff;
  --text-color: #333333;
  --subtitle-color: #666666;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --btn-hover: #357abd;
  --toggle-bg: #e2e8f0;
  --toggle-color: #333333;
  --header-bg: #ffffff;
  --footer-bg: #1e293b;
  --footer-text: #cbd5e1;
  --border-color: #e2e8f0;
  --table-head-bg: #f8fafc;
  --faq-hover: #f8fafc;
  --code-bg: #f1f5f9;
  --badge-bg: #eff6ff;
  --badge-color: #2563eb;
}

body.dark {
  --primary-color: #60a5fa;
  --background-color: #0f172a;
  --card-bg: #1e293b;
  --text-color: #f1f5f9;
  --subtitle-color: #94a3b8;
  --shadow-color: rgba(0, 0, 0, 0.4);
  --btn-hover: #3b82f6;
  --toggle-bg: #334155;
  --toggle-color: #f1f5f9;
  --header-bg: #1e293b;
  --footer-bg: #0f172a;
  --footer-text: #94a3b8;
  --border-color: #334155;
  --table-head-bg: #0f172a;
  --faq-hover: #0f172a;
  --code-bg: #0f172a;
  --badge-bg: #1e3a5f;
  --badge-color: #93c5fd;
}

* {
  box-sizing: border-box;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: var(--text-color);
  display: flex;
  flex-direction: column;
}

/* ── Header ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--header-bg);
  box-shadow: 0 2px 8px var(--shadow-color);
  width: 100%;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-color);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  margin-right: 0.5rem;
}
.logo:hover { color: var(--primary-color); }

.site-nav {
  display: flex;
  gap: 0.1rem;
  flex: 1;
  overflow: hidden;
}

.nav-link {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--subtitle-color);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-color);
  background: var(--toggle-bg);
}

#theme-toggle {
  background: var(--toggle-bg);
  color: var(--toggle-color);
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s;
}
#theme-toggle:hover { transform: scale(1.1); }

/* ── Layout ──────────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 1rem 3rem;
}

.container {
  background: var(--card-bg);
  padding: 2.25rem 2rem;
  border-radius: 18px;
  box-shadow: 0 6px 28px var(--shadow-color);
  max-width: 680px;
  width: 100%;
}

/* ── Typography ──────────────────────────────────────── */
h1 {
  color: var(--text-color);
  font-size: 1.9rem;
  margin: 0 0 0.5rem;
  font-weight: 700;
  text-align: center;
}
h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-color);
}
h3 {
  font-size: 1.08rem;
  font-weight: 600;
  margin: 1.5rem 0 0.6rem;
  color: var(--text-color);
}
p {
  line-height: 1.78;
  margin: 0 0 0.9rem;
  color: var(--text-color);
}
p:last-child { margin-bottom: 0; }

.subtitle {
  color: var(--subtitle-color);
  font-size: 0.97rem;
  margin: 0 0 1.75rem;
  text-align: center;
  line-height: 1.6;
}

/* ── Lotto tool ──────────────────────────────────────── */
.tool-section { text-align: center; }

.lotto-numbers {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0;
  min-height: 68px;
  align-items: center;
}

.lotto-ball {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  animation: popIn 0.4s ease backwards;
}

@keyframes popIn {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

#generate-btn, #smart-gen-btn {
  background-color: var(--primary-color);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0.85rem 2.25rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(74,144,226,0.4);
  letter-spacing: 0.02em;
}
#generate-btn:hover, #smart-gen-btn:hover {
  background-color: var(--btn-hover);
  box-shadow: 0 6px 18px rgba(74,144,226,0.5);
}
#generate-btn:active, #smart-gen-btn:active { transform: scale(0.97); }

/* ── History ─────────────────────────────────────────── */
.history-section h2 { margin-bottom: 0.4rem; }

.history-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.history-empty {
  color: var(--subtitle-color);
  font-size: 0.93rem;
  text-align: center;
  padding: 1rem 0;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.85rem;
  background: var(--background-color);
  border-radius: 9px;
  flex-wrap: wrap;
}

.history-no {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-color);
  min-width: 26px;
}
.history-date {
  font-size: 0.8rem;
  color: var(--subtitle-color);
  min-width: 88px;
}
.history-numbers { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.history-ball {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 700; color: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* ── Content hub ─────────────────────────────────────── */
.content-hub h2 { text-align: center; }
.content-hub .subtitle { margin-bottom: 1.25rem; }

.hub-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.75rem;
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  text-decoration: none;
  color: var(--text-color);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.hub-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 16px rgba(74,144,226,0.18);
  transform: translateY(-2px);
}
.hub-icon { font-size: 1.8rem; }
.hub-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-color);
}
.hub-card p {
  font-size: 0.86rem;
  color: var(--subtitle-color);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}
.hub-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 0.25rem;
}

/* ── Quick facts ─────────────────────────────────────── */
.quick-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin: 1rem 0 1.5rem;
}
.fact-item {
  background: var(--background-color);
  border-radius: 9px;
  padding: 0.6rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.fact-label {
  font-size: 0.75rem;
  color: var(--subtitle-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.fact-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-color);
}

/* ── Article / Guide ─────────────────────────────────── */
.guide-article { max-width: 720px; }

.article-header { margin-bottom: 1.75rem; }
.article-header h1 { text-align: left; font-size: 1.75rem; margin-bottom: 0.6rem; }
.article-header h2 { text-align: left; }

.article-badge {
  display: inline-block;
  background: var(--badge-bg);
  color: var(--badge-color);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25em 0.7em;
  border-radius: 20px;
  margin-bottom: 0.6rem;
  letter-spacing: 0.04em;
}

.article-lead {
  font-size: 1.05rem;
  color: var(--subtitle-color);
  line-height: 1.7;
  margin: 0.6rem 0 0;
}

.last-updated {
  font-size: 0.82rem;
  color: var(--subtitle-color);
  margin: 0.5rem 0 0;
}

.toc {
  background: var(--background-color);
  border-radius: 12px;
  padding: 1.1rem 1.3rem;
  margin-bottom: 2rem;
  border-left: 3px solid var(--primary-color);
}
.toc-title {
  font-weight: 700;
  font-size: 0.93rem;
  margin: 0 0 0.6rem;
  color: var(--text-color);
}
.toc ol {
  margin: 0;
  padding-left: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.toc li { font-size: 0.9rem; }
.toc a {
  color: var(--primary-color);
  text-decoration: none;
}
.toc a:hover { text-decoration: underline; }

.guide-article section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}
.guide-article section:last-of-type { border-bottom: none; padding-bottom: 0; }
.guide-article section h2 { font-size: 1.25rem; margin-bottom: 0.8rem; }
.guide-article section h3 { margin-top: 1.25rem; }
.guide-article p { font-size: 0.97rem; }

.guide-article ul,
.guide-article ol {
  padding-left: 1.4rem;
  margin: 0.5rem 0 1rem;
  line-height: 1.8;
}
.guide-article li { margin-bottom: 0.3rem; font-size: 0.97rem; }
.guide-article a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.table-note {
  font-size: 0.82rem;
  color: var(--subtitle-color);
  margin-top: 0.6rem;
}

.step-list {
  padding-left: 1.25rem;
  margin: 0.75rem 0;
  counter-reset: step;
}
.step-list > li {
  margin-bottom: 0.8rem;
  font-size: 0.97rem;
  line-height: 1.7;
}

/* ── Info cards (guide page) ─────────────────────────── */
.info-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1rem 0;
}
.info-card {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
}
.info-card-header {
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
}
.rank-5-bg { background: var(--primary-color); }
.rank-4-bg { background: #22c55e; }
.rank-3-bg { background: #eab308; color: #1a1a1a; }
.info-card p {
  margin: 0;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ── Tax table ───────────────────────────────────────── */
.tax-table-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0;
}
.tax-row {
  display: grid;
  grid-template-columns: 2fr 0.8fr 2fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--background-color);
  border-radius: 9px;
  border: 1px solid var(--border-color);
}
.tax-range { font-size: 0.9rem; font-weight: 600; color: var(--text-color); }
.tax-rate {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
}
.tax-rate.non-taxable { color: #22c55e; }
.tax-rate.high-tax { color: #ef4444; }
.tax-desc { font-size: 0.83rem; color: var(--subtitle-color); }

/* ── Table (prize table) ─────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  margin: 0.75rem 0;
}
.prize-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.prize-table th {
  background: var(--table-head-bg);
  padding: 0.7rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--subtitle-color);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
}
.prize-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-color);
  font-size: 0.9rem;
}
.prize-table tbody tr:last-child td { border-bottom: none; }
.prize-table tbody tr:hover { background: var(--faq-hover); }

.rank-1 td:first-child, .rank-1 td:first-child strong { color: #ef4444; }
.rank-2 td:first-child, .rank-2 td:first-child strong { color: #f97316; }
.rank-3 td:first-child, .rank-3 td:first-child strong { color: #eab308; }
.rank-4 td:first-child, .rank-4 td:first-child strong { color: #22c55e; }
.rank-5 td:first-child, .rank-5 td:first-child strong { color: var(--primary-color); }

/* ── FAQ ─────────────────────────────────────────────── */
.faq-section h2 { margin-bottom: 1rem; }
.faq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item { border: 1px solid var(--border-color); border-radius: 10px; overflow: hidden; }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 0.95rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-color);
  text-align: left;
  transition: background 0.15s;
}
.faq-question:hover { background: var(--faq-hover); }
.faq-icon {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--primary-color);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer p {
  padding: 0 1.1rem 0.9rem;
  font-size: 0.9rem;
  color: var(--subtitle-color);
  margin: 0;
  line-height: 1.7;
}
.faq-answer a { color: var(--primary-color); }

/* ── Article footer nav ──────────────────────────────── */
.article-footer-nav {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--primary-color);
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 9px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--btn-hover); }
.btn-secondary {
  background: var(--toggle-bg);
  color: var(--text-color);
  padding: 0.65rem 1.25rem;
  border-radius: 9px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.2s;
}
.btn-secondary:hover { background: var(--border-color); }

/* ── Strategy page tools ─────────────────────────────── */
.number-input-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}
.number-inputs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.num-input {
  width: 64px;
  height: 52px;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  background: var(--background-color);
  color: var(--text-color);
  outline: none;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}
.num-input::-webkit-outer-spin-button,
.num-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.num-input:focus { border-color: var(--primary-color); }

.analyze-btn {
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.analyze-btn:hover { background: var(--btn-hover); }

.analysis-result {
  margin-top: 1.25rem;
  width: 100%;
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.result-card {
  background: var(--background-color);
  border-radius: 11px;
  padding: 0.9rem 0.75rem;
  text-align: center;
  border: 1px solid var(--border-color);
}
.result-label { font-size: 0.78rem; color: var(--subtitle-color); font-weight: 600; margin-bottom: 0.3rem; }
.result-value { font-size: 1.15rem; font-weight: 700; color: var(--text-color); }
.result-rating { font-size: 0.78rem; margin-top: 0.3rem; font-weight: 600; }
.rating-good { color: #22c55e; }
.rating-ok { color: #f59e0b; }
.rating-check { color: #ef4444; }

.zone-chart {
  background: var(--background-color);
  border-radius: 11px;
  padding: 1rem;
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
}
.zone-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.zone-row:last-child { margin-bottom: 0; }
.zone-label { font-size: 0.8rem; color: var(--subtitle-color); font-weight: 600; width: 70px; flex-shrink: 0; }
.zone-bar-track {
  flex: 1;
  height: 10px;
  background: var(--border-color);
  border-radius: 5px;
  overflow: hidden;
}
.zone-bar-fill {
  height: 100%;
  background: var(--primary-color);
  border-radius: 5px;
  transition: width 0.4s ease;
}
.zone-count { font-size: 0.82rem; font-weight: 700; color: var(--text-color); width: 20px; text-align: right; }

.analysis-note {
  font-size: 0.88rem;
  color: var(--subtitle-color);
  background: var(--background-color);
  border-radius: 9px;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--primary-color);
  line-height: 1.6;
  margin: 0;
}

.strategy-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.strat-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 20px;
  background: none;
  color: var(--subtitle-color);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.strat-btn:hover, .strat-btn.active {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: var(--badge-bg);
}
.strat-desc {
  font-size: 0.87rem;
  color: var(--subtitle-color);
  text-align: center;
  margin: 0 0 0.75rem;
  min-height: 2.5em;
}
.smart-numbers { min-height: 62px; margin: 1rem 0; }
.smart-analysis {
  margin-top: 0.75rem;
  font-size: 0.88rem;
  color: var(--subtitle-color);
  background: var(--background-color);
  border-radius: 9px;
  padding: 0.75rem 1rem;
  text-align: center;
  line-height: 1.6;
}

/* ── Contact form ────────────────────────────────────── */
.contact-container { text-align: left; }
.contact-container h2, .contact-container .subtitle { text-align: left; }
.contact-container .subtitle { margin-bottom: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--text-color); }
.form-group input,
.form-group textarea {
  background: var(--background-color);
  color: var(--text-color);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  padding: 0.6rem 0.85rem;
  font-size: 0.97rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74,144,226,0.15);
}
.submit-btn {
  width: 100%;
  background-color: var(--primary-color);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.8rem;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  margin-top: 0.35rem;
}
.submit-btn:hover { background-color: var(--btn-hover); }
.submit-btn:active { transform: scale(0.98); }
#form-status {
  text-align: center;
  font-size: 0.92rem;
  margin: 0.75rem 0 0;
  min-height: 1.2em;
  font-weight: 500;
}
#form-status.success { color: #22c55e; }
#form-status.error   { color: #ef4444; }

/* ── AdSense ─────────────────────────────────────────── */
.ad-banner {
  width: 100%;
  max-width: 680px;
  min-height: 90px;
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 14px var(--shadow-color);
}

/* ── Disqus ──────────────────────────────────────────── */
.disqus-container { text-align: left; }
#disqus_thread { color: var(--text-color); }

/* ── About / Privacy pages ───────────────────────────── */
.article-section h1 { text-align: left; font-size: 1.65rem; margin-bottom: 0.4rem; }
.article-section ul,
.article-section ol { padding-left: 1.4rem; margin: 0.5rem 0 1rem; line-height: 1.8; }
.article-section li { margin-bottom: 0.3rem; font-size: 0.96rem; }
.article-section a { color: var(--primary-color); text-decoration: underline; text-underline-offset: 2px; }

code {
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.87em;
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.disclaimer {
  font-size: 0.85rem;
  color: var(--subtitle-color);
  border-left: 3px solid var(--border-color);
  padding-left: 0.75rem;
  margin-top: 1rem;
  line-height: 1.65;
}

/* ── Footer ──────────────────────────────────────────── */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  width: 100%;
  margin-top: auto;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: center;
  text-align: center;
}
.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  color: var(--footer-text);
  text-decoration: none;
  font-size: 0.87rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--primary-color); }
.footer-notice { font-size: 0.78rem; opacity: 0.7; margin: 0; line-height: 1.5; }
.footer-copyright { font-size: 0.78rem; opacity: 0.5; margin: 0; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 680px) {
  .container { padding: 1.6rem 1.2rem; border-radius: 14px; }
  h1 { font-size: 1.5rem; }
  .hub-cards { grid-template-columns: 1fr; }
  .quick-facts { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr 1fr 1fr; gap: 0.5rem; }
  .tax-row { grid-template-columns: 1fr; gap: 0.25rem; }
  .lotto-ball { width: 52px; height: 52px; font-size: 1.15rem; }
  .prize-table th, .prize-table td { padding: 0.6rem 0.6rem; font-size: 0.82rem; }
}

@media (max-width: 520px) {
  .site-nav .nav-link:nth-child(4),
  .site-nav .nav-link:nth-child(5) { display: none; }
  .result-grid { grid-template-columns: 1fr; }
  .article-footer-nav { flex-direction: column; }
  .toc { display: none; }
}

@media (max-width: 380px) {
  .history-item { flex-direction: column; align-items: flex-start; }
  .num-input { width: 52px; height: 44px; font-size: 1rem; }
}