@import url("./typography.css");

:root {
  color: #202925;
  background: #eef4f1;
  font-family: "IBM Plex Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --pearl: #fbfcfa;
  --paper: #f6f9f7;
  --ground: #eef4f1;
  --mist: #d9ebe7;
  --mist-strong: #b8d8d1;
  --jade: #285c53;
  --jade-deep: #1f4942;
  --rose: #ead3d4;
  --rose-ink: #7d5358;
  --ink: #202925;
  --muted: #5f6d68;
  --line: rgba(42, 76, 68, 0.14);
  --shadow: 0 24px 60px rgba(38, 64, 58, 0.12);
  --lift: 0 16px 38px rgba(40, 92, 83, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; overflow-x: hidden; background: var(--ground); -webkit-font-smoothing: antialiased; }
button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(201, 111, 84, 0.52); outline-offset: 3px; }

.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 14px; border-radius: 12px; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 0;
  border-radius: 15px;
  color: white;
  background: var(--jade);
  box-shadow: var(--lift);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.button:hover { background: var(--jade-deep); transform: translateY(-2px); box-shadow: 0 20px 42px rgba(40, 92, 83, 0.2); }
.button:active { transform: translateY(0); }

.hero {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 0.78fr) minmax(580px, 1.22fr);
  align-items: center;
  gap: clamp(42px, 7vw, 108px);
  padding: clamp(72px, 10vw, 142px) clamp(24px, 6vw, 96px) clamp(80px, 9vw, 132px);
  background:
    radial-gradient(circle at 90% 18%, rgba(234, 211, 212, 0.65), transparent 26%),
    radial-gradient(circle at 7% 90%, rgba(255, 255, 255, 0.9), transparent 31%),
    var(--ground);
}

.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 10ch; margin: 0; color: var(--ink); font-size: clamp(48px, 4.8vw, 76px); font-weight: 600; line-height: 1.06; letter-spacing: -0.04em; text-wrap: balance; }
.hero h1 em { color: var(--jade); font-style: normal; }
.product-definition { margin: 30px 0 0; color: var(--jade-deep); font-size: 14px; font-weight: 600; line-height: 1.65; }
.hero-lead { max-width: 610px; margin: 18px 0 0; color: #4c5d57; font-size: clamp(16px, 1.55vw, 20px); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 38px; }
.hero-note { margin: 22px 0 0; color: var(--muted); font-size: 12px; }

.narrative-section {
  position: relative;
  padding: clamp(96px, 10vw, 148px) clamp(24px, 5vw, 80px);
  scroll-margin-top: 80px;
}
.narrative-section h2 {
  max-width: 13ch;
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 4.8vw, 68px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.narrative-section__head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.75fr);
  align-items: end;
  gap: clamp(54px, 8vw, 130px);
  max-width: 1450px;
  margin: 0 auto;
}
.narrative-section__copy {
  max-width: 62ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}
.narrative-section__copy p { margin: 0 0 18px; }
.narrative-section__copy p:last-child { margin-bottom: 0; }
.narrative-section__copy strong { color: var(--jade-deep); font-weight: 600; }
.narrative-section__close {
  max-width: 1450px;
  margin: clamp(52px, 6vw, 84px) auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--jade-deep);
  font-size: clamp(17px, 1.6vw, 23px);
  font-weight: 600;
  line-height: 1.55;
}

.narrative-judgement { color: var(--ink); background: var(--paper); }
.judgement-core {
  display: grid;
  grid-template-columns: minmax(360px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(60px, 9vw, 140px);
  max-width: 1450px;
  margin: clamp(60px, 7vw, 100px) auto 0;
}
.frictions { display: grid; }
.frictions article {
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: baseline;
  gap: 22px;
  padding: 23px 0;
  border-top: 1px solid var(--line);
}
.frictions article:last-child { border-bottom: 1px solid var(--line); }
.frictions h3 { margin: 0; color: var(--rose-ink); font-size: 22px; }
.frictions p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.compact-path {
  display: grid;
  grid-template-columns: 1fr 44px 1fr 44px 1fr;
  align-items: center;
  padding: 30px;
  border-radius: 16px;
  background: var(--pearl);
}
.compact-path div { display: grid; gap: 15px; }
.compact-path span { color: var(--jade); font-size: 12px; }
.compact-path strong { font-size: clamp(17px, 1.5vw, 22px); line-height: 1.5; }
.compact-path > i { position: relative; height: 1px; background: var(--line); }
.compact-path > i::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--jade);
  border-right: 1px solid var(--jade);
  transform: rotate(45deg);
}

.institution-bridge { padding-block: clamp(88px, 7vw, 112px); background: var(--ground); }
.institution-bridge__head {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.72fr);
  align-items: start;
  gap: clamp(48px, 7vw, 104px);
  max-width: 1450px;
  margin: 0 auto;
}
.institution-bridge__head h2 { max-width: none; font-size: clamp(42px, 4vw, 60px); }
.institution-bridge__head p {
  max-width: 46ch;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}
.institution-values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 3vw, 44px);
  max-width: 1450px;
  margin: clamp(44px, 4vw, 60px) auto 0;
}
.institution-values article { min-height: 140px; padding: 26px clamp(14px, 1.5vw, 22px) 28px; }
.institution-values h3 { margin: 0; color: var(--jade-deep); font-size: 21px; }
.institution-values p { max-width: 28ch; margin: 13px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }

.story-layout { max-width: 1480px; margin: 0 auto; padding: 0 clamp(24px, 5vw, 80px); }
.story-content { min-width: 0; }
.section { padding: clamp(96px, 10vw, 148px) 0; border-top: 1px solid var(--line); scroll-margin-top: 80px; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); align-items: end; gap: 60px; margin-bottom: 64px; }
.section h2, .closing h2 { margin: 0; font-size: clamp(38px, 4.8vw, 68px); line-height: 1.1; letter-spacing: -0.035em; text-wrap: balance; }
.section-heading p, .principles-intro p { max-width: 62ch; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }


.principles { position: relative; display: grid; grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr); gap: clamp(50px, 8vw, 120px); color: white; }
.principles::before { content: ""; position: absolute; z-index: -1; inset: 38px -6vw; border-radius: 36px; background: var(--jade-deep); }
.principles-intro { padding-top: 62px; }
.principles-intro p { margin-top: 28px; color: #c8d9d3; }
.principle-list { display: grid; padding: 58px 0; }
.principle-list article { display: grid; grid-template-columns: 72px minmax(180px, 0.78fr) minmax(240px, 1.22fr); align-items: baseline; gap: 24px; padding: 27px 0; border-bottom: 1px solid rgba(217,235,231,0.17); }
.principle-list article:first-child { border-top: 1px solid rgba(217,235,231,0.17); }
.principle-list span { color: var(--mist-strong); font-size: 11px; letter-spacing: 0.08em; }
.principle-list h3, .principle-list p { margin: 0; }
.principle-list h3 { font-size: 18px; }
.principle-list p { color: #c8d9d3; font-size: 13px; line-height: 1.7; }

.boundary { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(340px, 1.15fr); align-items: start; gap: clamp(55px, 9vw, 140px); }
.boundary-lead p { max-width: 58ch; margin: 28px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.boundary-lead strong { display: block; margin-top: 28px; color: var(--rose-ink); font-size: 14px; }
.boundary-list { margin: 0; padding: 0; list-style: none; }
.boundary-list li { position: relative; padding: 23px 50px 23px 0; border-bottom: 1px solid var(--line); color: #40534c; line-height: 1.65; }
.boundary-list li::after { content: ""; position: absolute; top: 29px; right: 8px; width: 12px; height: 12px; border: 1px solid var(--mist-strong); border-radius: 50%; background: var(--paper); }

.stage-section { padding-right: clamp(24px, 4vw, 70px); padding-left: clamp(24px, 4vw, 70px); border-top: 0; border-radius: 34px; background: var(--paper); box-shadow: var(--shadow); }
.stage-section > h2 { max-width: 14ch; }
.stage-lines { display: grid; margin-top: 64px; }
.stage-lines > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 30px; padding: 24px 0; border-top: 1px solid var(--line); }
.stage-lines span { color: var(--jade); font-size: 13px; font-weight: 600; }
.stage-lines p { max-width: 66ch; margin: 0; color: var(--muted); line-height: 1.75; }

.partner { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr); align-items: start; gap: clamp(60px, 10vw, 150px); }
.partner-copy > p { max-width: 62ch; margin: 28px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.partner-copy ul { display: grid; gap: 16px; margin: 38px 0 0; padding: 0; list-style: none; }
.partner-copy li { position: relative; padding-left: 28px; color: #40534c; line-height: 1.65; }
.partner-copy li::before { content: ""; position: absolute; top: 0.65em; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--rose-ink); }
.partner-form { display: grid; gap: 17px; padding: clamp(28px, 4vw, 44px); border-radius: 30px; background: rgba(251,252,250,0.9); box-shadow: var(--shadow); }
.form-heading { display: grid; gap: 6px; margin-bottom: 9px; }
.form-heading span { font-size: 24px; font-weight: 600; }
.form-heading small { color: var(--muted); }
.partner-form label { display: grid; gap: 8px; color: #405a52; font-size: 13px; font-weight: 600; }
.partner-form input, .partner-form textarea { width: 100%; border: 1px solid rgba(55,99,85,0.16); border-radius: 15px; outline: 0; color: var(--ink); background: rgba(247,250,247,0.9); transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.partner-form input { min-height: 52px; padding: 0 14px; }
.partner-form textarea { resize: vertical; min-height: 96px; padding: 14px; }
.partner-form input:focus, .partner-form textarea:focus { border-color: rgba(47,112,93,0.5); background: white; box-shadow: 0 0 0 3px rgba(47,112,93,0.08); }
.partner-form input::placeholder, .partner-form textarea::placeholder { color: #91a098; }
.form-submit { width: 100%; margin-top: 4px; }
.form-consent { grid-template-columns: auto 1fr; align-items: start; gap: 10px; font-weight: 400; line-height: 1.55; }
.form-consent input { width: 18px; min-height: 18px; margin: 2px 0 0; accent-color: var(--jade); }
.form-status { min-height: 20px; margin: 0; color: var(--rose-ink); font-size: 12px; line-height: 1.5; text-align: center; }
.form-status[data-state="success"] { color: var(--jade); }
.form-status[data-state="pending"] { color: #6f746f; }
.form-submit:disabled { cursor: wait; opacity: 0.65; }
.form-trap { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; min-height: 110px; padding: 28px clamp(24px, 5vw, 80px) 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer > span { color: var(--ink); font-size: 16px; font-weight: 600; }
.site-footer p { margin: 0; }
.site-footer a { justify-self: end; color: var(--jade); font-weight: 600; }


@media (max-width: 1120px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .narrative-section__head, .institution-bridge__head { grid-template-columns: 1fr; gap: 30px; }
  .judgement-core { grid-template-columns: 1fr; gap: 46px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .principles, .boundary, .partner, .faq { grid-template-columns: 1fr; }
  .principles::before { inset: 26px -4vw; }
  .principles-intro { padding-top: 72px; }
  .principle-list { padding-top: 16px; }
}

@media (max-width: 760px) {
  .hero { min-height: 0; grid-template-columns: minmax(0, 1fr); gap: 52px; padding: 64px 18px 76px; }
  .hero h1 { font-size: clamp(42px, 14vw, 62px); }
  .hero-lead { margin-top: 22px; font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; margin-top: 30px; }
  .narrative-section { padding: 86px 18px; }
  .narrative-section h2 { font-size: clamp(36px, 10vw, 50px); }
  .frictions article { grid-template-columns: 108px 1fr; }
  .compact-path { grid-template-columns: 1fr; gap: 20px; }
  .compact-path > i { width: 1px; height: 26px; margin-left: 4px; }
  .compact-path > i::after { top: auto; right: -3px; bottom: 0; transform: rotate(135deg); }
  .institution-values { grid-template-columns: 1fr; gap: 0; border-block: 1px solid var(--line); }
  .institution-values article { min-height: auto; padding: 24px 16px 25px; }
  .institution-values article + article { border-top: 1px solid var(--line); }
  .story-layout { display: block; padding: 0 18px; }
  .section { padding: 86px 0; }
  .section h2, .closing h2 { font-size: clamp(36px, 11vw, 50px); }
  .principles::before { inset: 22px -18px; border-radius: 28px; }
  .principles-intro { padding-top: 58px; }
  .principle-list { padding-bottom: 54px; }
  .principle-list article { grid-template-columns: 58px minmax(0, 1fr); gap: 8px 16px; }
  .principle-list p { grid-column: 2; }
  .stage-section { padding: 70px 22px; border-radius: 28px; }
  .stage-lines { margin-top: 42px; }
  .stage-lines > div { grid-template-columns: 1fr; gap: 8px; }
  .partner-form { padding: 26px 20px; border-radius: 24px; }
  .closing { margin-bottom: 112px; padding: 62px 22px; border-radius: 28px; }
  .closing > div { align-items: flex-start; flex-direction: column; }
  .site-footer { grid-template-columns: 1fr; gap: 8px; padding-bottom: 48px; }
  .site-footer a { justify-self: start; margin-top: 8px; }
}

@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; }
}