:root {
  color-scheme: light;
  --pearl: #f7f4ed;
  --pearl-deep: #eee7da;
  --ink: #11110f;
  --ink-soft: #2a2925;
  --muted: #6f685d;
  --gold: #c9a34b;
  --gold-soft: #ead8a2;
  --line: rgba(17, 17, 15, 0.12);
  --white: #fffdf8;
  --shadow: 0 24px 70px rgba(49, 39, 18, 0.14);
  --radius: 8px;
  --font-sans:
    "Microsoft JhengHei", "微軟正黑體", "Noto Sans TC", "PingFang TC",
    "PingFang SC", Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
  font-family: var(--font-sans);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.94), rgba(238, 231, 218, 0.88)),
    var(--pearl);
  color: var(--ink);
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(17, 17, 15, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 15, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid transparent;
  background: rgba(247, 244, 237, 0.84);
  backdrop-filter: blur(18px);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 12px 36px rgba(17, 17, 15, 0.07);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
}

.brand img {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(201, 163, 75, 0.42);
  border-radius: 50%;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a {
  padding-block: 8px;
}

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

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 720;
  white-space: nowrap;
}

.language-switcher select {
  width: auto;
  min-height: 38px;
  padding: 0 34px 0 12px;
  border-color: rgba(17, 17, 15, 0.14);
  border-radius: 999px;
  background-color: rgba(255, 253, 248, 0.72);
  font-size: 0.9rem;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.82fr);
  gap: clamp(36px, 6vw, 78px);
  align-items: center;
  min-height: calc(100svh - 76px);
  padding: clamp(48px, 8vw, 104px) clamp(20px, 5vw, 72px) clamp(28px, 5vw, 56px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 16px;
  color: #806323;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  max-width: 780px;
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 9.4rem);
  font-weight: 650;
  line-height: 0.9;
}

h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.5vw, 4.8rem);
  font-weight: 620;
  line-height: 1;
}

:lang(zh-Hant) h2,
:lang(zh-Hans) h2 {
  font-family: var(--font-sans);
  font-weight: 850;
  line-height: 1.08;
}

h3 {
  margin: 20px 0 12px;
  font-size: 1.16rem;
}

.hero-line {
  max-width: 670px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.28rem, 2vw, 1.85rem);
  line-height: 1.35;
}

.hero-text,
.section-copy p,
.risk-panel p,
.contact-section p,
.feature-card p,
.risk-list span {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.78;
}

.hero-text {
  max-width: 620px;
  margin: 22px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 750;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 14px 34px rgba(17, 17, 15, 0.2);
}

.button-primary:hover {
  background: #000;
}

.button-secondary {
  border-color: rgba(17, 17, 15, 0.18);
  background: rgba(255, 253, 248, 0.6);
  color: var(--ink);
}

.hero-media {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(201, 163, 75, 0.32);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.7);
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  object-fit: cover;
}

.hero-media figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  background: rgba(17, 17, 15, 0.94);
  color: var(--gold-soft);
}

.intro-band span {
  display: grid;
  min-height: 72px;
  place-items: center;
  border-right: 1px solid rgba(234, 216, 162, 0.18);
  font-size: 0.9rem;
  font-weight: 760;
}

.intro-band span:last-child {
  border-right: 0;
}

.section {
  padding: clamp(70px, 10vw, 130px) clamp(20px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.section-copy p {
  margin: 0 0 18px;
  max-width: 700px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  background: rgba(255, 253, 248, 0.44);
}

.section-heading {
  grid-column: 1 / -1;
  max-width: 860px;
  margin-bottom: 24px;
}

.feature-card {
  min-height: 264px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.74);
}

.feature-number {
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.feature-card p {
  margin: 0;
}

.risk-section {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: stretch;
}

.risk-panel {
  padding: clamp(32px, 5vw, 54px);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
}

.risk-panel .eyebrow {
  color: var(--gold-soft);
}

.risk-panel p {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 253, 248, 0.72);
}

.risk-list {
  display: grid;
  gap: 14px;
}

.risk-list div {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.risk-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  gap: clamp(30px, 7vw, 92px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.contact-section p {
  max-width: 680px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.72);
  box-shadow: 0 18px 48px rgba(49, 39, 18, 0.08);
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 720;
}

input,
select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(17, 17, 15, 0.16);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  padding: 0 13px;
}

input:focus,
select:focus {
  border-color: var(--gold);
  outline: 3px solid rgba(201, 163, 75, 0.2);
}

.contact-form .button {
  width: 100%;
  border-radius: 6px;
  cursor: pointer;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 26px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .hero,
  .split,
  .risk-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    max-width: 560px;
  }

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

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

  .intro-band span {
    border-bottom: 1px solid rgba(234, 216, 162, 0.18);
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    min-height: auto;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 3px;
    white-space: nowrap;
  }

  .language-switcher {
    width: 100%;
    justify-content: space-between;
  }

  .language-switcher select {
    max-width: 170px;
  }

  h1 {
    font-size: clamp(3.35rem, 17vw, 5.8rem);
  }

  .hero {
    padding-top: 42px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .intro-band {
    grid-template-columns: 1fr;
  }

  .intro-band span {
    min-height: 52px;
    border-right: 0;
  }

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

  .site-footer {
    display: grid;
  }
}