@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;700;800&display=swap");

:root {
  --ink: #1c1410;
  --ink-soft: #5d4a3a;
  --paper: #f4ead6;
  --paper-strong: #e7d4b4;
  --desk: #2b2118;
  --pin: #c44536;
  --gold: #e2b63a;
  --sky: #7ec8ef;
  --line: rgba(43, 33, 24, 0.16);
  --shadow: 0 18px 44px rgba(43, 33, 24, 0.18);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(244, 234, 214, 0.88), rgba(244, 234, 214, 0.94)),
    url("assets/paper-bg.jpg") center / cover fixed no-repeat;
  font-family: "Noto Sans TC", "Segoe UI", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

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

a {
  color: #8a2e24;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover {
  color: #5e1d18;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #2f6f8f;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  color: #fff;
  background: var(--desk);
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 234, 214, 0.92);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(var(--max-width), calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--ink-soft);
  font-weight: 800;
  text-decoration: none;
}

.lang-toggle {
  min-width: 48px;
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: #fffaf0;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.lang-toggle:hover {
  background: var(--paper-strong);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 64px;
}

.hero-inner {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 14px;
  padding: 7px 13px;
  border: 1px dashed rgba(43, 33, 24, 0.28);
  border-radius: 999px;
  color: #7a3b1d;
  background: rgba(255, 248, 232, 0.86);
  font-size: 0.9rem;
  font-weight: 800;
}

.hero-logo {
  width: min(460px, 92%);
  filter: drop-shadow(0 10px 16px rgba(43, 33, 24, 0.18));
}

.hero h1 {
  max-width: 620px;
  margin: 16px 0 12px;
  font-size: clamp(2.1rem, 4.8vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero-copy {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  padding: 12px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #3b2a1c;
  border-radius: 14px;
  color: #fff8ea;
  background: #3b2a1c;
  box-shadow: 0 7px 0 #1c1410;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  color: #fff8ea;
  transform: translateY(-2px);
  box-shadow: 0 9px 0 #1c1410;
}

.button.secondary {
  border-color: rgba(43, 33, 24, 0.18);
  color: var(--ink);
  background: #fffaf0;
  box-shadow: 0 7px 0 rgba(43, 33, 24, 0.16);
}

.mascot-stage {
  position: relative;
  min-height: 420px;
}

.mascot-stage::before {
  content: "";
  position: absolute;
  inset: 18% 6% 8%;
  border: 2px dashed rgba(43, 33, 24, 0.18);
  border-radius: 48% 52% 42% 58%;
  background: rgba(255, 250, 240, 0.55);
  box-shadow: var(--shadow);
}

.mascot {
  position: absolute;
  z-index: 2;
  width: auto;
  height: auto;
  max-width: 58%;
  object-fit: contain;
  filter: drop-shadow(0 14px 12px rgba(43, 33, 24, 0.16));
}

.mascot-buddy {
  left: 0;
  bottom: 8%;
  max-width: 54%;
  transform: rotate(-4deg);
}

.mascot-main {
  right: 0;
  bottom: 4%;
  max-width: 62%;
  z-index: 3;
}

.section {
  padding: 88px 0;
}

.section.alt {
  background: rgba(231, 212, 180, 0.45);
}

.container {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.2;
}

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

.feature-grid,
.character-grid,
.support-grid {
  display: grid;
  gap: 20px;
}

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

.character-grid {
  grid-template-columns: repeat(5, 1fr);
}

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

.card {
  padding: 26px;
  border: 1px dashed rgba(43, 33, 24, 0.22);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 240, 0.86);
  box-shadow: 0 12px 28px rgba(43, 33, 24, 0.08);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.22rem;
}

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

.feature-number {
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff8ea;
  background: #3b2a1c;
  font-weight: 800;
}

.character-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 250, 240, 0.88);
  box-shadow: var(--shadow);
  text-align: center;
}

.character-card img {
  width: 92px;
  height: 92px;
  margin: 18px auto 0;
}

.character-card p {
  margin: 0;
  padding: 10px 12px 16px;
  color: var(--ink-soft);
  font-weight: 800;
}

.map-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.map-block img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #fffaf0;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.legal-hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 18%, rgba(126, 200, 239, 0.28), transparent 28%),
    radial-gradient(circle at 8% 84%, rgba(226, 182, 58, 0.22), transparent 30%),
    rgba(231, 212, 180, 0.55);
}

.legal-hero h1 {
  max-width: 820px;
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
}

.legal-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
}

.legal-layout {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 88px;
}

.legal-layout h2 {
  margin: 42px 0 10px;
  padding-top: 8px;
  font-size: 1.5rem;
  line-height: 1.3;
}

.legal-layout h3 {
  margin: 24px 0 8px;
  font-size: 1.12rem;
}

.legal-layout p,
.legal-layout li {
  color: #59473b;
}

.legal-layout li + li {
  margin-top: 8px;
}

.notice {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 5px solid var(--pin);
  border-radius: 12px;
  background: rgba(255, 250, 240, 0.9);
}

.meta-list {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 10px 18px;
  margin: 30px 0;
  padding: 22px;
  border: 1px dashed rgba(43, 33, 24, 0.22);
  border-radius: var(--radius-md);
  background: #fffaf0;
}

.meta-list dt {
  font-weight: 800;
}

.meta-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.faq details {
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fffaf0;
}

.faq summary {
  min-height: 52px;
  padding: 14px 18px;
  font-weight: 800;
  cursor: pointer;
}

.faq details p {
  margin: 0;
  padding: 0 18px 18px;
}

.site-footer {
  padding: 48px 0;
  border-top: 1px solid rgba(255, 248, 232, 0.08);
  background: var(--desk);
  color: #fff8e9;
}

.footer-inner {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
}

.footer-inner p {
  margin: 8px 0 0;
  color: rgba(255, 248, 233, 0.76);
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #fff8e9;
}

[data-lang="zh"] {
  display: none;
}

html.lang-zh [data-lang="en"] {
  display: none;
}

html.lang-zh [data-lang="zh"] {
  display: revert;
}

@media (max-width: 820px) {
  .nav {
    min-height: 64px;
  }

  .nav-links a:not(.always) {
    display: none;
  }

  .hero-inner,
  .map-block {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-logo {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .mascot-stage {
    min-height: 340px;
  }

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

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

@media (max-width: 560px) {
  .brand span {
    display: none;
  }

  .hero h1 {
    font-size: 2.15rem;
  }

  .mascot-stage {
    min-height: 280px;
  }

  .section {
    padding: 64px 0;
  }

  .character-grid,
  .support-grid {
    grid-template-columns: 1fr 1fr;
  }

  .meta-list {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}