:root {
  color-scheme: light;
  --bg: #f7f9fb;
  --paper: #ffffff;
  --ink: #172033;
  --muted: #647084;
  --line: #d9e1ea;
  --red: #d92d20;
  --red-soft: #fff0ed;
  --blue: #1b66ff;
  --green: #097b5a;
  --shadow: 0 24px 70px rgba(23, 32, 51, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(23, 32, 51, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(23, 32, 51, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 64px);
  background: rgba(247, 249, 251, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.language-picker {
  display: flex;
  align-items: center;
  grid-template-columns: none;
  gap: 8px;
  white-space: nowrap;
}

.language-picker select {
  width: auto;
  min-height: 38px;
  padding: 0 32px 0 10px;
  font-size: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--red);
  color: #fff;
  border-radius: 7px;
  box-shadow: 5px 5px 0 var(--ink);
}

.top-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font: 600 14px/1.2 "Segoe UI", sans-serif;
}

.top-nav a {
  text-decoration: none;
}

.top-nav a:hover {
  color: var(--red);
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0 0;
  color: var(--muted);
  font: 700 13px/1.3 "Segoe UI", sans-serif;
}

.breadcrumbs a {
  color: var(--ink);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--red);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 420px);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  padding: clamp(34px, 6vw, 64px) 0 26px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--red);
  font: 800 12px/1.2 "Segoe UI", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.08;
}

h3 {
  margin: 4px 0 0;
  font-size: 24px;
}

.lede {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font: 18px/1.8 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.finder {
  display: grid;
  gap: 14px;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font: 700 13px/1.2 "Segoe UI", sans-serif;
}

select,
input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font: 600 16px/1 "Segoe UI", "Microsoft YaHei", sans-serif;
}

select:focus,
input:focus {
  outline: 3px solid rgba(217, 45, 32, 0.18);
  border-color: var(--red);
}

.countdown-panel,
.quick-stats {
  display: grid;
  gap: 12px;
}

.today-holiday {
  margin: 6px 0 8px;
  padding: 16px 20px;
  background: var(--red);
  color: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.today-holiday[hidden] {
  display: none;
}

.today-holiday .eyebrow,
.today-holiday p {
  color: #fff;
}

.today-holiday h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.08;
}

.today-holiday p:not(.eyebrow) {
  margin: 6px 0 0;
  font: 15px/1.5 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.countdown-panel {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  align-items: stretch;
  margin: 6px 0 12px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.countdown-panel h2 {
  margin: 0;
}

.countdown-panel p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
  font: 17px/1.7 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.countdown-clock {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.countdown-clock article,
.quick-stats article {
  padding: 18px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
}

.quick-stats {
  grid-template-columns: repeat(3, 1fr);
  margin: 0 0 70px;
}

.countdown-clock article {
  min-height: 112px;
}

.stat-value {
  display: block;
  font: 800 32px/1 "Segoe UI", sans-serif;
}

.stat-label {
  display: block;
  margin-top: 8px;
  color: #c6cfdb;
  font: 600 14px/1.5 "Segoe UI", sans-serif;
}

.section-heading {
  max-width: 780px;
  margin: 74px 0 24px;
}

.section-heading p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
  font: 17px/1.8 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.holiday-list {
  display: grid;
  gap: 12px;
}

.country-tools {
  margin: 0 0 18px;
}

.country-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-height: 540px;
  overflow: auto;
  padding: 4px;
}

.seo-link-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-height: none;
  margin: 22px 0 46px;
  overflow: visible;
}

.seo-link-grid a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font: 700 15px/1.35 "Segoe UI", "Microsoft YaHei", sans-serif;
  text-decoration: none;
}

.seo-link-grid a:hover {
  border-color: var(--red);
  box-shadow: 0 12px 34px rgba(23, 32, 51, 0.09);
}

.seo-link-grid span {
  color: var(--red);
  font: 900 13px/1 "Segoe UI", sans-serif;
}

.source-card {
  align-content: start;
}

.source-note {
  color: var(--muted);
  font-size: 14px;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.keyword-list span {
  display: inline-flex;
  padding: 8px 10px;
  background: var(--red-soft);
  border: 1px solid rgba(217, 45, 32, 0.22);
  border-radius: 999px;
  color: var(--red);
  font: 800 13px/1 "Segoe UI", sans-serif;
}

.country-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 62px;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.country-card:hover {
  border-color: var(--red);
  box-shadow: 0 12px 34px rgba(23, 32, 51, 0.09);
  transform: translateY(-2px);
}

.country-card span {
  font: 700 15px/1.35 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.country-card strong {
  color: var(--red);
  font: 900 13px/1 "Segoe UI", sans-serif;
}

.holiday-card {
  position: relative;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 6px solid var(--red);
  border-radius: var(--radius);
}

.empty-state {
  margin: 0;
  padding: 24px;
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font: 16px/1.7 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.holiday-card[hidden] {
  display: none;
}

.holiday-date {
  margin: 0;
  color: var(--red);
  font: 800 15px/1.2 "Segoe UI", sans-serif;
}

.holiday-card > p {
  margin: 0;
  color: var(--muted);
  font: 16px/1.7 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.badge {
  padding: 8px 12px;
  background: var(--red-soft);
  color: var(--red);
  border-radius: 999px;
  font: 800 13px/1 "Segoe UI", sans-serif;
  white-space: nowrap;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.month {
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.month h3 {
  margin: 0 0 12px;
  font: 800 18px/1.2 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.weekdays,
.days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.weekdays span {
  color: var(--muted);
  font: 800 11px/1 "Segoe UI", sans-serif;
  text-align: center;
}

.day {
  display: grid;
  min-height: 36px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--ink);
  font: 700 13px/1 "Segoe UI", sans-serif;
}

.day.is-weekend {
  color: var(--muted);
}

.day.is-holiday {
  background: var(--red);
  color: #fff;
}

.day.is-workday {
  background: #fff;
  border-color: var(--ink);
  color: var(--ink);
}

.day.is-today {
  outline: 3px solid rgba(27, 102, 255, 0.22);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 76px 0;
}

.info-panel {
  padding: 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.info-panel p,
.info-panel li {
  color: var(--muted);
  font: 16px/1.8 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.info-panel ul {
  margin: 18px 0 0;
  padding-left: 20px;
}

.text-link {
  color: var(--blue);
  font: 800 15px/1.5 "Segoe UI", sans-serif;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 14px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .hero,
  .info-grid,
  .countdown-panel {
    grid-template-columns: 1fr;
  }

  .quick-stats,
  .countdown-clock,
  .calendar-grid,
  .country-grid {
    grid-template-columns: 1fr 1fr;
  }

  .holiday-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
  }

  .top-nav {
    grid-column: 1 / -1;
    width: 100%;
    justify-content: flex-start;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
    white-space: nowrap;
    font-size: 13px;
    scrollbar-width: none;
  }

  .top-nav::-webkit-scrollbar {
    display: none;
  }

  .language-picker {
    gap: 6px;
  }

  .language-picker span {
    display: none;
  }

  .language-picker select {
    max-width: 132px;
    min-height: 36px;
    font-size: 13px;
  }

  main {
    width: min(100% - 24px, 1180px);
  }

  .hero {
    gap: 16px;
    padding: 24px 0 18px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.04;
  }

  .lede {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.55;
  }

  .finder {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 14px;
  }

  label {
    font-size: 12px;
  }

  select,
  input {
    min-height: 42px;
    padding: 0 10px;
    font-size: 14px;
  }

  .countdown-panel {
    gap: 14px;
    margin-top: 0;
    padding: 16px;
  }

  .countdown-panel p:not(.eyebrow) {
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.5;
  }

  .countdown-clock {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
  }

  .countdown-clock article {
    min-height: 72px;
    padding: 10px 4px;
    text-align: center;
  }

  .stat-value {
    font-size: 24px;
  }

  .stat-label {
    margin-top: 5px;
    font-size: 11px;
  }

  .quick-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 42px;
  }

  .quick-stats article {
    padding: 12px 6px;
    text-align: center;
  }

  .calendar-grid,
  .country-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}