:root {
  --paper: #f4f1ea;
  --ink: #111111;
  --muted: #6b6862;
  --line: rgba(17, 17, 17, 0.16);
  --soft: #e8e2d6;
  --accent: #9f2f22;
  --blue: #566b73;
  --white: #fffaf0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Noto Serif TC", "Noto Serif CJK TC", "Songti TC", "PMingLiU", "Times New Roman", serif;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 241, 234, 0.9);
  backdrop-filter: blur(16px);
}

.brand,
.nav-links,
.nav-action,
.button,
.kicker,
.panel-label,
.brief-list span,
.brief-list em,
.site-footer {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: clamp(150px, 16vw, 228px);
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 13px;
  color: var(--muted);
}

.nav-links a,
.nav-action,
.button,
.brief-list a {
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

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

.nav-action {
  justify-self: end;
  border-bottom: 1px solid currentColor;
  font-size: 13px;
  color: var(--accent);
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: end;
  padding: 132px 7vw 68px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(244, 241, 234, 0.94) 0%, rgba(244, 241, 234, 0.78) 35%, rgba(244, 241, 234, 0.1) 72%),
    linear-gradient(0deg, rgba(244, 241, 234, 0.94) 0%, rgba(244, 241, 234, 0) 42%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(48px, 8vw, 118px);
  line-height: 0.98;
  font-weight: 500;
}

.hero-copy {
  max-width: 680px;
  color: #2b2a28;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.58;
}

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

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  padding: 0 18px;
  font-size: 13px;
  font-weight: 700;
}

.button.primary {
  background: var(--ink);
  color: var(--white);
}

.button.ghost {
  background: rgba(244, 241, 234, 0.5);
}

.button:hover {
  transform: translateY(-1px);
}

.section-rule,
.section-block {
  padding: 92px 7vw;
  border-bottom: 1px solid var(--line);
}

.statement {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
}

.statement::before {
  content: "Position";
  color: var(--muted);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
}

.statement p {
  max-width: 980px;
  font-size: clamp(26px, 4.5vw, 58px);
  line-height: 1.12;
  font-weight: 450;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  margin-bottom: 42px;
}

.section-heading h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(34px, 5vw, 76px);
  line-height: 1.03;
  font-weight: 470;
}

.agenda-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.agenda-grid article {
  min-height: 280px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.28);
}

.agenda-grid span {
  display: block;
  margin-bottom: 82px;
  color: var(--accent);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.agenda-grid h3,
.ethics-grid h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 560;
}

.agenda-grid p,
.method-copy p,
.ethics-grid p {
  color: var(--muted);
  font-size: 16px;
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 7vw;
}

.method-panel {
  border-top: 3px solid var(--ink);
  padding-top: 18px;
}

.panel-label {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.method-panel ol {
  margin: 0;
  padding-left: 22px;
}

.method-panel li {
  margin-bottom: 18px;
  font-size: 19px;
}

.method-copy p {
  max-width: 820px;
  margin-bottom: 26px;
  font-size: clamp(21px, 3vw, 36px);
  line-height: 1.28;
  color: var(--ink);
}

.ethics {
  padding: 100px 7vw;
  background: #111;
  color: var(--white);
}

.ethics-inner {
  max-width: 1320px;
  margin: 0 auto;
}

.ethics h2 {
  max-width: 900px;
  margin-bottom: 68px;
  font-size: clamp(42px, 7vw, 96px);
  line-height: 1;
  font-weight: 460;
}

.ethics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 250, 240, 0.22);
  border: 1px solid rgba(255, 250, 240, 0.22);
}

.ethics-grid article {
  min-height: 250px;
  padding: 26px;
  background: #111;
}

.ethics-grid p {
  color: rgba(255, 250, 240, 0.66);
}

.brief-list {
  border-top: 1px solid var(--line);
}

.brief-list a {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

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

.brief-list span,
.brief-list em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 750;
  text-transform: uppercase;
}

.brief-list strong {
  font-size: clamp(22px, 3.2vw, 42px);
  line-height: 1.14;
  font-weight: 470;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
}

.contact h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(34px, 5vw, 74px);
  line-height: 1.04;
  font-weight: 470;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .statement,
  .section-heading,
  .method-layout,
  .contact {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
    padding: 0 16px;
  }

  .brand {
    width: 148px;
  }

  .nav-action {
    display: none;
  }

  .hero {
    min-height: 92svh;
    padding: 110px 20px 46px;
  }

  h1 {
    font-size: clamp(44px, 15vw, 68px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .section-rule,
  .section-block,
  .ethics {
    padding: 64px 20px;
  }

  .agenda-grid,
  .ethics-grid {
    grid-template-columns: 1fr;
  }

  .agenda-grid article,
  .ethics-grid article {
    min-height: 220px;
    padding: 22px;
  }

  .agenda-grid span {
    margin-bottom: 56px;
  }

  .brief-list a {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .contact .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    padding: 22px 20px;
  }
}