:root {
  color-scheme: light only;
  --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", "Noto Serif SC", serif;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --blue: #151b83;
  --blue-2: #2455b8;
  --green: #67bd24;
  --ink: #101426;
  --muted: #596079;
  --paper: #f8f8f2;
  --line: rgba(16, 20, 38, 0.12);
  --card: rgba(255, 255, 255, 0.82);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-serif);
  font-synthesis: weight;
  text-rendering: optimizeLegibility;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 5%, rgba(103, 189, 36, 0.24), transparent 32rem),
    radial-gradient(circle at 15% 18%, rgba(36, 85, 184, 0.16), transparent 28rem),
    linear-gradient(135deg, #fbfaf2 0%, #f3f7ff 100%);
  line-height: 1.75;
}

html,
body {
  background-color: #f8f8f2;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: light only;
  }

  html,
  body {
    color: var(--ink);
    background-color: #f8f8f2;
  }
}

a { color: inherit; }

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 999px;
  color: white;
  background: var(--blue);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid var(--line);
  background: rgba(248, 248, 242, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand img {
  width: 158px;
  height: auto;
  object-fit: contain;
}

.brand span { display: grid; line-height: 1.2; }
.brand strong { font-size: 18px; letter-spacing: 0.02em; }
.brand small { color: var(--muted); font-size: 12px; margin-top: 5px; }

nav {
  display: flex;
  gap: 18px;
  font-size: 15px;
}

nav a {
  text-decoration: none;
  color: var(--muted);
}

nav a:hover { color: var(--blue); }

main { overflow: hidden; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(310px, 0.82fr);
  gap: 32px;
  padding: clamp(44px, 7vw, 92px) clamp(18px, 4vw, 58px) 46px;
  max-width: 1280px;
  margin: 0 auto;
}

.hero > *,
.hero-panel,
.wechat-quick,
.wechat-quick > * {
  min-width: 0;
}

.hero-copy h1 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(40px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.08em;
  color: var(--blue);
  font-weight: 800;
  text-shadow: 0 0 0 var(--blue);
}

.lead {
  max-width: 760px;
  margin: 28px 0 0;
  font-size: 20px;
  color: #2e354f;
}

.eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  color: var(--green);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 20px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--line);
}

.button.primary {
  color: white;
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 18px 40px rgba(21, 27, 131, 0.22);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.62);
}

.hero-panel {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--card);
  box-shadow: 0 24px 80px rgba(21, 27, 131, 0.12);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 22px;
  border: 2px solid rgba(103, 189, 36, 0.28);
  pointer-events: none;
}

.panel-label {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: 999px;
  color: white;
  background: var(--green);
  font-family: var(--font-sans);
  font-weight: 800;
}

dl {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
}

dl div {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-family: var(--font-sans);
}

dd { margin: 0; font-weight: 700; }

.wechat-quick {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 22px;
  padding: 12px;
  border-radius: 20px;
  color: white;
  background: var(--blue);
  overflow: hidden;
}

.wechat-quick img {
  display: block;
  width: 104px;
  height: 104px;
  max-width: 104px;
  object-fit: contain;
  aspect-ratio: 1;
  padding: 5px;
  border-radius: 12px;
  background: white;
}

.wechat-quick div { display: grid; gap: 5px; }
.wechat-quick strong { font-size: 18px; }
.wechat-quick span { color: rgba(255, 255, 255, 0.76); font-size: 14px; }

.section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 54px clamp(18px, 4vw, 58px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.7fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.section h2 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.05em;
  font-weight: 800;
  text-shadow: 0 0 0 var(--blue);
}

.section-heading p:last-child {
  margin: 0;
  color: var(--muted);
}

.topic-aliases {
  margin: 8px 0 0;
  max-width: 720px;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 15px;
}

.topic-subtitle {
  margin: 14px 0 0;
  color: var(--green);
  font-family: var(--font-sans);
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 800;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: 14px;
}

.place-gallery {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
}

.place-card {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: white;
  box-shadow: 0 18px 50px rgba(21, 27, 131, 0.1);
}

.place-card-wide {
  grid-row: span 2;
}

.place-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.place-card-wide img {
  min-height: 540px;
}

.place-card figcaption {
  position: absolute;
  inset: auto 14px 14px;
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 16px;
  color: white;
  background: rgba(16, 20, 38, 0.82);
  backdrop-filter: blur(8px);
}

.place-card figcaption span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.question-card {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 26px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.question-card:hover {
  transform: translateY(-6px);
  border-color: rgba(103, 189, 36, 0.55);
  box-shadow: 0 22px 60px rgba(21, 27, 131, 0.14);
}

.card-index {
  color: var(--green);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  font-family: "Georgia", serif;
}

.card-category {
  width: fit-content;
  margin-top: 20px;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(21, 27, 131, 0.08);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
}

.question-card h3 {
  margin: 18px 0 10px;
  font-size: 24px;
  line-height: 1.2;
}

.question-card p {
  margin: auto 0 0;
  color: var(--muted);
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 34px;
  align-items: start;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-list article,
.payment,
.contact,
.article-cta {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
}

.feature-list article { padding: 22px; }
.feature-list h3 { margin: 0 0 8px; font-size: 22px; color: var(--blue); }
.feature-list p { margin: 0; color: var(--muted); }

.materials-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 18px;
  align-items: start;
}

.material-card {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
}

.material-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.material-card figcaption {
  display: grid;
  gap: 5px;
  padding: 14px 6px 4px;
}

.material-card figcaption strong {
  color: var(--blue);
  font-size: 21px;
}

.material-card figcaption span {
  color: var(--muted);
}

.payment {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.36fr);
  gap: 30px;
  background: linear-gradient(135deg, rgba(21, 27, 131, 0.96), rgba(36, 85, 184, 0.88));
  color: white;
}

.payment h2,
.payment .eyebrow { color: white; }
.payment p { margin-bottom: 0; }
.payment .note {
  align-self: end;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.42fr);
  gap: 28px;
}

.contact-side {
  display: grid;
  grid-template-columns: minmax(148px, 0.7fr) minmax(170px, 1fr);
  gap: 14px;
}

.contact-wechat {
  display: grid;
  gap: 8px;
  align-content: center;
  justify-items: center;
  padding: 14px;
  border-radius: 20px;
  color: var(--blue);
  background: white;
  text-align: center;
}

.contact-wechat img {
  display: block;
  width: min(190px, 100%);
  height: auto;
}

.links {
  display: grid;
  gap: 10px;
  align-content: center;
}

.links a {
  padding: 12px 14px;
  border-radius: 14px;
  color: white;
  background: var(--blue);
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 24px;
  padding: 34px clamp(18px, 4vw, 58px);
  border-top: 1px solid var(--line);
  background: #101426;
  color: white;
}

.site-footer p { margin: 8px 0 0; }
.muted { color: rgba(255, 255, 255, 0.68); }

.footer-slogan {
  grid-column: 1 / -1;
  width: min(350px, 58%);
  height: auto;
  margin: 12px auto 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.article-page {
  padding: 34px clamp(18px, 4vw, 58px) 70px;
}

.article-shell {
  max-width: 920px;
  margin: 0 auto;
}

.breadcrumb {
  justify-content: flex-start;
  margin-bottom: 18px;
}

.breadcrumb span,
.breadcrumb a { color: var(--muted); }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  font-family: var(--font-sans);
  color: var(--muted);
}

.article-meta span {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
}

.article-content {
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 24px 70px rgba(21, 27, 131, 0.1);
}

.article-content h1 {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.05em;
  font-weight: 800;
  text-shadow: 0 0 0 var(--blue);
}

.article-content h2 {
  margin: 44px 0 14px;
  color: var(--blue);
  font-size: 30px;
  line-height: 1.2;
  font-weight: 800;
}

.article-content h3 {
  margin: 30px 0 10px;
  color: #26306a;
  font-size: 23px;
}

.article-content p,
.article-content li { font-size: 18px; }

.article-content p { margin: 14px 0; }

.article-content ul,
.article-content ol {
  padding-left: 1.5em;
}

.article-content li { margin: 8px 0; }

.article-cta {
  margin-top: 22px;
  padding: 28px;
}

.article-cta h2 {
  margin: 0 0 10px;
  color: var(--blue);
}

.not-found-page {
  min-height: 58vh;
  display: grid;
  align-items: center;
  padding: clamp(42px, 8vw, 92px) clamp(18px, 4vw, 58px);
}

.not-found-shell {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 24px 80px rgba(21, 27, 131, 0.12);
}

.not-found-shell h1 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.05em;
  font-weight: 800;
}

.not-found-shell p:not(.eyebrow) {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
}

@media (max-width: 1080px) {
  .question-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero,
  .section-heading,
  .feature-band,
  .payment,
  .contact,
  .site-footer { grid-template-columns: 1fr; }
}

@media (max-width: 1220px) and (min-width: 1081px) {
  .question-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .brand img { width: 142px; }
  nav { flex-wrap: wrap; }
  .hero { padding-top: 32px; }
  .question-grid,
  .feature-list,
  .place-gallery,
  .materials-grid,
  .contact-side { grid-template-columns: 1fr; }
  .question-card { min-height: 240px; }
  .place-card-wide { grid-row: auto; }
  .place-card-wide img,
  .place-card img { min-height: 260px; }
  dl div { grid-template-columns: 1fr; gap: 4px; }
  .wechat-quick { grid-template-columns: 92px 1fr; }
  .wechat-quick img { width: 92px; height: 92px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}