:root {
  --bg: #f3f5f7;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --surface-glass: #fdfdfe;
  --ink: #2a2e35;
  --ink-soft: #5a616c;
  --line: #d7dde5;
  --accent: #b83252;
  --accent-deep: #8e2540;
  --accent-soft: #f6e4e9;
  --accent-soft-hover: #efd2da;
  --white: #ffffff;
  --cta-grad-a: #c53c5c;
  --cta-grad-b: #8e2540;
  --cta-line: rgba(255, 244, 240, 0.85);
  --cta-blush: rgba(255, 210, 180, 0.28);
  --cta-shadow: rgba(142, 37, 64, 0.28);
  --info: #2485e5;
  --ok: #2f7d4a;
  --warn: #c47a1a;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(42, 46, 53, 0.06);
  --container: 1120px;
  --header-h: 64px;
  --cta-space: 96px;
  --font-display: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  padding-bottom: var(--cta-space);
  overflow-wrap: break-word;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--info);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.wrap {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--surface-glass);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font: inherit;
  color: var(--ink);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.5rem;
  align-items: center;
  padding: 2.2rem 0 1.4rem;
}

.hero--solo {
  grid-template-columns: 1fr;
  max-width: 880px;
}

.hero__copy h1 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 700;
}

.hero__copy p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.hero__media {
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface);
}

.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.chip {
  display: inline-block;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.88rem;
  text-decoration: none;
}

.chip:hover {
  background: var(--accent-soft-hover);
  color: var(--accent-deep);
}

.section {
  padding: 1.6rem 0;
}

.section__head {
  margin-bottom: 1rem;
}

.section__head h2 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.3;
}

.section__head p {
  margin: 0;
  color: var(--ink-soft);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.25rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.card-link {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card-link:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  color: inherit;
}

.card-link h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-family: var(--font-display);
}

.card-link p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.list-dense {
  margin: 0;
  padding-left: 1.15rem;
}

.list-dense li {
  margin: 0.35rem 0;
}

.fact-list {
  display: grid;
  gap: 0.75rem;
}

.fact-list dt {
  font-weight: 700;
  font-family: var(--font-display);
}

.fact-list dd {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
}

.table-wrap {
  overflow-x: auto;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

table.data th,
table.data td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

table.data th {
  background: var(--surface-2);
  font-weight: 600;
}

.rank-list {
  counter-reset: rank;
  list-style: none;
  margin: 0;
  padding: 0;
}

.rank-list li {
  counter-increment: rank;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.6rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.rank-list li::before {
  content: counter(rank);
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-weight: 700;
  font-size: 0.85rem;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin: 0.55rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq details p {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
}

.region-index {
  display: grid;
  gap: 1rem;
}

.region-group h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  font-family: var(--font-display);
}

.region-group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.region-group a {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.92rem;
}

.region-group a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.prose p {
  margin: 0 0 1rem;
}

.prose h2 {
  margin: 1.6rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.prose h3 {
  margin: 1.2rem 0 0.5rem;
  font-size: 1.08rem;
}

.note {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.site-footer {
  margin-top: 2rem;
  padding: 1.6rem 0 2rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.2rem;
}

.site-footer h2 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
  font-family: var(--font-display);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin: 0.3rem 0;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

.site-footer__brand a {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

.site-footer__tag {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.site-cta {
  position: fixed;
  left: 50%;
  bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(520px, 36vw);
  min-height: 56px;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cta-grad-a) 0%, var(--cta-grad-b) 100%);
  color: var(--white) !important;
  text-decoration: none !important;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 28px var(--cta-shadow);
  overflow: hidden;
  isolation: isolate;
}

.site-cta:hover,
.site-cta:focus-visible {
  color: var(--white) !important;
  filter: brightness(1.05);
}

.site-cta::before {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--cta-line);
  transform: scaleX(0);
  transform-origin: left center;
  animation: pavilion-curtain-draw 2.6s cubic-bezier(0.2, 0.7, 0.3, 1) infinite;
  pointer-events: none;
  z-index: 1;
}

.site-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, var(--cta-blush), transparent 55%);
  opacity: 0;
  animation: lantern-blush 2.6s cubic-bezier(0.2, 0.7, 0.3, 1) infinite;
  pointer-events: none;
  z-index: 0;
}

.site-cta > span {
  position: relative;
  z-index: 2;
}

@keyframes pavilion-curtain-draw {
  0%,
  18% {
    transform: scaleX(0);
    opacity: 0.2;
  }
  42% {
    transform: scaleX(1);
    opacity: 1;
  }
  62%,
  100% {
    transform: scaleX(1);
    opacity: 0.55;
  }
}

@keyframes lantern-blush {
  0%,
  38% {
    opacity: 0;
  }
  58% {
    opacity: 0.28;
  }
  80%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-cta::before,
  .site-cta::after {
    animation: none;
  }

  .site-cta::before {
    transform: scaleX(1);
    opacity: 0.7;
  }

  .site-cta::after {
    opacity: 0.12;
  }
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 1.4rem;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-cta {
    min-width: auto;
    width: calc(100% - 28px);
    left: 14px;
    right: 14px;
    transform: none;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 0.8rem 1rem 1rem;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.65rem;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__copy h1 {
    font-size: 1.55rem;
  }

  body {
    --cta-space: 88px;
  }

  .site-cta {
    min-height: 52px;
    font-size: 0.95rem;
  }
}