:root {
  --orange: #d9833f;
  --orange-bright: #f26322;
  --gold: #efa11a;
  --orange-dark: #af6229;
  --brown: #4b2118;
  --navy: #25445c;
  --navy-deep: #102f43;
  --green: #6ca989;
  --ink: #172632;
  --muted: #61717c;
  --line: #d9e3e8;
  --paper: #ffffff;
  --wash: #f7fafc;
  --soft-orange: #fff6ee;
  --soft-green: #eff7f2;
  --soft-blue: #eef5f8;
  --shadow: 0 24px 70px rgba(37, 68, 92, 0.14);
  font-family: "Microsoft YaHei", "Noto Sans SC", "PingFang SC", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(217, 227, 232, 0.58);
  backdrop-filter: blur(22px);
}

.nav-wrap,
.section-inner,
.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand img {
  display: block;
  width: 148px;
  height: auto;
  border-radius: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-text {
  display: none;
  gap: 2px;
  color: var(--brown);
  font-size: 20px;
  font-weight: 850;
  line-height: 1;
}

.brand-text span:last-child {
  color: var(--orange);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.22em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 14px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.language-toggle svg {
  width: 19px;
  height: 19px;
}

.language-toggle .divider {
  width: 1px;
  height: 18px;
  background: var(--line);
}

.language-toggle [data-lang-option] {
  opacity: 0.42;
}

html[data-lang="zh"] .language-toggle [data-lang-option="zh"],
html[data-lang="en"] .language-toggle [data-lang-option="en"] {
  opacity: 1;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 650;
  border-radius: 8px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--soft-blue);
  outline: none;
}

.nav-social {
  color: var(--orange-dark) !important;
  border: 1px solid rgba(217, 131, 63, 0.22);
  background: rgba(255, 246, 238, 0.7);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--navy);
  cursor: pointer;
}

.menu-toggle svg {
  width: 23px;
  height: 23px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 0;
  background:
    linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0.98) 42%, rgba(255, 255, 255, 0.76) 62%, rgba(255, 255, 255, 0.1) 100%),
    url("./assets/gujia-fb-cover.png"),
    linear-gradient(180deg, #fff8f0 0%, #ffffff 100%);
  background-size: cover, auto 100%, cover;
  background-repeat: no-repeat;
  background-position: center, right center, center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 76px;
  background: linear-gradient(100deg, var(--orange-bright), var(--gold));
  clip-path: ellipse(88% 54% at 54% 100%);
  opacity: 0.94;
}

.hero .section-inner {
  display: block;
  min-height: auto;
  align-items: center;
  padding: 96px 0 132px;
}

.hero-copy,
.page-hero .section-inner {
  min-width: 0;
}

.hero-copy h1,
.page-hero h1 {
  margin: 0;
  color: var(--brown);
  font-size: clamp(48px, 7.2vw, 98px);
  line-height: 0.98;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero-copy h2,
.page-hero h2 {
  margin: 20px 0 0;
  max-width: 880px;
  color: var(--orange-bright);
  font-size: clamp(30px, 4.6vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero-copy p,
.page-hero p,
.section-lead {
  margin: 28px 0 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.76;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero-note {
  margin-top: 28px;
  padding: 16px 18px;
  max-width: 650px;
  border-left: 4px solid var(--orange-bright);
  border-top: 1px solid rgba(242, 99, 34, 0.18);
  border-bottom: 1px solid rgba(242, 99, 34, 0.18);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(16px);
  color: var(--navy);
  font-size: 17px;
  line-height: 1.75;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 750;
  letter-spacing: 0;
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange-bright), var(--gold));
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(217, 131, 63, 0.25);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, var(--orange-dark), var(--orange));
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.72);
  color: var(--navy);
  border-color: var(--line);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  box-shadow: 0 12px 24px rgba(37, 68, 92, 0.12);
}

.story-visual {
  display: none;
}

.story-visual img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.float-note {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: min(280px, calc(100% - 36px));
  padding: 18px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 36px rgba(37, 68, 92, 0.13);
}

.float-note strong {
  display: block;
  color: var(--brown);
  font-size: 16px;
  margin-bottom: 6px;
}

.float-note span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

section {
  padding: 86px 0;
}

.band {
  background: var(--wash);
}

.section-head {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-head h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.14;
  letter-spacing: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.section-head p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.upcoming-grid,
.module-grid,
.about-grid {
  display: grid;
  gap: 18px;
}

.upcoming-grid {
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.module-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.about-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.content-card,
.module-card,
.about-card,
.notice-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 44px rgba(37, 68, 92, 0.08);
}

.content-card {
  position: relative;
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  min-height: 0;
  padding: 28px 0;
  border-width: 0 0 1px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.content-card strong,
.module-card strong,
.about-card strong {
  display: block;
  color: var(--brown);
  font-size: 22px;
  line-height: 1.34;
}

.content-card strong,
.content-card p {
  grid-column: 2;
}

.content-card p,
.module-card p,
.about-card p,
.notice-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.7;
}

.tag {
  display: inline-flex;
  margin: 3px 0 0;
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.module-card {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  padding: 20px;
  box-shadow: none;
}

.module-card strong,
.module-card p {
  grid-column: 2;
}

.module-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  color: #ffffff;
  background: linear-gradient(135deg, var(--orange-bright), var(--gold));
  border-radius: 8px;
}

.module-card:nth-child(2n) .module-icon {
  background: linear-gradient(135deg, var(--orange-bright), var(--gold));
}

.module-card:nth-child(3n) .module-icon {
  background: linear-gradient(135deg, var(--orange-bright), var(--gold));
}

.module-icon svg {
  width: 24px;
  height: 24px;
}

.social-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(242, 99, 34, 0.94), rgba(239, 161, 26, 0.95));
}

.social-panel h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(28px, 4vw, 44px);
}

.social-panel p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.7;
}

.page-hero {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(247, 250, 252, 0.72)),
    radial-gradient(circle at 88% 28%, rgba(217, 131, 63, 0.16), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
  padding: 82px 0 74px;
}

.page-hero .section-inner {
  display: block;
}

.about-card {
  padding: 26px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.timeline-step {
  padding: 22px;
  border-left: 4px solid var(--orange);
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(37, 68, 92, 0.07);
}

.timeline-step strong {
  display: block;
  color: var(--navy);
  font-size: 18px;
}

.timeline-step p {
  color: var(--muted);
  line-height: 1.65;
}

.notice-card {
  padding: 28px;
  background: var(--soft-blue);
}

.notice-card strong {
  color: var(--navy);
  font-size: 18px;
}

.site-footer {
  padding: 44px 0;
  background: #4b2118;
  color: #ffffff;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-brand img {
  width: 168px;
  border-radius: 0;
}

.footer-brand p,
.footer-note {
  margin: 0;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  line-height: 1.65;
}

.footer-links {
  display: flex;
  gap: 10px;
}

.footer-links a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  font-weight: 700;
}

.footer-note {
  grid-column: 1 / -1;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

@media (max-width: 980px) {
  .hero .section-inner {
    padding-top: 62px;
  }

  .upcoming-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .module-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .social-panel,
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-wrap,
  .section-inner,
  .footer-inner {
    width: calc(100vw - 28px);
    max-width: 1120px;
  }

  .hero .section-inner,
  .page-hero .section-inner,
  .social-panel,
  .story-visual,
  .content-card,
  .module-card,
  .about-card,
  .notice-card {
    min-width: 0;
  }

  .nav-wrap {
    position: relative;
    min-height: 70px;
    gap: 12px;
  }

  .brand img {
    width: 108px;
  }

  .brand-text {
    font-size: 16px;
  }

  .brand-text span:last-child {
    font-size: 10px;
  }

  .menu-toggle {
    display: inline-flex;
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    position: fixed;
    right: 14px;
    top: 15px;
    z-index: 32;
  }

  .nav-links {
    position: absolute;
    inset: 72px 14px auto 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    justify-content: flex-start;
  }

  .language-toggle {
    justify-content: flex-start;
    width: 100%;
  }

  .hero .section-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 34px;
    padding: 42px 0 92px;
    overflow: hidden;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: 34px;
    line-height: 1.06;
  }

  .hero-copy h2,
  .page-hero h2 {
    font-size: 24px;
    line-height: 1.2;
    word-break: break-all;
  }

  .section-head h2 {
    font-size: 31px;
    line-height: 1.16;
  }

  .hero-copy p,
  .page-hero p,
  .section-lead {
    font-size: 16px;
    word-break: break-all;
    max-width: 100%;
  }

  .hero-note {
    font-size: 15px;
    word-break: break-all;
    max-width: 100%;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .hero-copy p,
  .hero-note {
    width: 100%;
    inline-size: 100%;
  }

  .cta-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  section {
    padding: 62px 0;
  }

  .upcoming-grid,
  .module-grid,
  .about-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .content-card {
    grid-template-columns: 1fr;
    padding: 28px 0;
  }

  .content-card strong,
  .content-card p {
    grid-column: 1;
  }

  .content-card strong {
    margin-top: 12px;
  }

  .content-card {
    min-height: auto;
  }

  .float-note {
    position: static;
    width: 100%;
    margin-top: 14px;
  }

  .social-panel {
    padding: 24px;
  }

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