@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi-2-35-Thin.otf") format("opentype");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi-2-45-Light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi-2-55-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-cream: #efece4;
  --bg-cream-soft: #ece9e0;
  --text-primary: #000000;
  --text-muted: #666666;
  --line-color: #000000;
  --accent-red: #c0392b;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  font-family: "Alibaba PuHuiTi", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei",
    sans-serif;
  color: var(--text-primary);
  background: var(--bg-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.7;
}

.page {
  width: 100%;
}

/* ---------- 通用：每一屏 ---------- */
.screen {
  min-height: 100svh;
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
}

.screen__inner {
  width: 100%;
  padding: 2.14vw 3.13vw 2.5vw;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.label {
  font-size: clamp(14px, 1.04vw, 20px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 2.5vw;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* ---------- 第一屏 ---------- */
.screen--one {
  background: var(--bg-cream);
}

.screen-one__content {
  flex: 1;
  position: relative;
  min-height: 0;
}

.screen-one__text {
  width: min(100%, 94vw);
  position: relative;
  z-index: 2;
}

.screen-one__bottom-row {
  position: relative;
  margin-top: 3.85vw;
}

.lead {
  font-size: clamp(34px, 3.38vw, 64px);
  line-height: 1;
  font-weight: 200;
  color: var(--text-primary);
  letter-spacing: -0.012em;
  text-align: left;
}

.lead__dash {
  display: inline-block;
  width: 1.78em;
  height: 1.5px;
  margin-left: 0.04em;
  vertical-align: 0.30em;
  background: currentColor;
}

.tagline {
  display: inline-block;
  font-size: clamp(32px, 3.38vw, 64px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.012em;
}

.tagline__text {
  position: relative;
  text-decoration: none;
}

.tagline__text::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0.66em;
  bottom: -0.22vw;
  height: 1px;
  background: var(--line-color);
}

.screen-one__art {
  position: absolute;
  right: 1.6vw;
  bottom: 2.7vw;
  width: clamp(330px, 27.6vw, 560px);
  aspect-ratio: 1;
  pointer-events: none;
  z-index: 1;
}

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

/* ---------- 第二屏 ---------- */
.screen--two {
  background: var(--bg-cream-soft);
}

.screen-two__content {
  flex: 1;
  display: grid;
  grid-template-columns: 49.8% 50.2%;
  align-items: start;
  padding-top: 8.85vw;
}

.screen-two__art {
  position: relative;
  align-self: start;
  min-height: 26vw;
}

.magnet {
  position: absolute;
  left: -4.4vw;
  top: -8.5vw;
  width: 100%;
  max-width: clamp(340px, 34vw, 620px);
  height: auto;
  mix-blend-mode: multiply;
}

.screen-two__text {
  align-self: start;
  width: min(100%, 46.8vw);
  padding-top: 2.35vw;
}

.intro {
  font-size: clamp(28px, 2.95vw, 52px);
  line-height: 1;
  font-weight: 200;
  color: var(--text-primary);
  letter-spacing: -0.022em;
  text-align: justify;
}

.intro__line {
  display: block;
}

.intro__line--justify {
  width: 100%;
  text-align: justify;
  text-align-last: justify;
}

/* ---------- 页脚 ---------- */
.footer {
  width: 100%;
  padding: 1.95vw 3.13vw 2.8vw;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-top: 1px solid rgba(0, 0, 0, 0.12);
}

.footer__company {
  font-size: clamp(11px, 0.93vw, 16px);
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 0.42vw;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.footer__copy {
  font-size: clamp(10px, 0.78vw, 14px);
  color: var(--text-muted);
  margin-bottom: 2.3vw;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.footer__icp {
  font-size: clamp(10px, 0.78vw, 14px);
  color: var(--text-muted);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.footer__logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pumpkin-logo {
  width: clamp(38px, 3.45vw, 66px);
  height: auto;
  display: block;
  mix-blend-mode: multiply;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .screen__inner {
    padding: 48px 28px 32px;
  }

  .lead,
  .tagline,
  .intro {
    font-size: clamp(28px, 7vw, 44px);
  }

  .screen-one__text {
    width: 100%;
  }

  .screen-one__art {
    right: 18px;
    bottom: 54px;
    width: min(58vw, 360px);
    opacity: 0.8;
  }

  .screen-two__content {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 40px;
  }

  .screen-two__art {
    min-height: 320px;
    order: -1;
  }

  .magnet {
    left: 12px;
    max-width: min(68vw, 420px);
  }

  .screen-two__text {
    width: 100%;
    padding-top: 0;
  }

  .intro__line {
    display: inline;
  }

  .footer {
    padding: 24px 28px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 560px) {
  .screen {
    min-height: auto;
  }

  .screen--one,
  .screen--two {
    min-height: 100svh;
  }

  .lead br {
    display: none;
  }

  .screen-one__art {
    width: min(74vw, 320px);
    opacity: 0.55;
  }
}