:root {
  color-scheme: dark;
  font-family: Arial, "Helvetica Neue", "Segoe UI", sans-serif;
  color: #e2e2e2;
  background: #050505;
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

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

figure,
h1,
h2,
p {
  margin: 0;
}

::selection {
  color: #050505;
  background: #05ce78;
}

.skip-link {
  position: fixed;
  z-index: 10;
  inset: 12px auto auto 12px;
  padding: 12px 18px;
  transform: translateY(-160%);
  clip-path: inset(50%);
  color: #050505;
  background: #05ce78;
  border-radius: 6px;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
  clip-path: none;
  outline: 3px solid white;
  outline-offset: 3px;
}

/* Container units keep the desktop composition proportional to the images. */
.page {
  container-type: inline-size;
  max-width: 1920px;
  margin-inline: auto;
  background: #000;
}

.hero-image {
  width: 100%;
}

.about {
  position: relative;
  padding-block: 13.2cqw clamp(44px, 5.5cqw, 106px);
  background-color: #494949;
  background-image: url("素材/背景.webp");
  background-position: center;
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

/* The supplied background already contains the visible ABOUT US title. */
.about-title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.about-content {
  width: 78%;
  margin-inline: auto;
  font-size: clamp(18px, 2.2cqw, 42px);
  font-weight: 400;
  line-height: 1.2;
}

.about-content p {
  text-indent: 1.55em;
}

.company-photo {
  width: 60%;
}

.company-photo img {
  width: 100%;
}

.company-photo--left {
  margin-block: clamp(24px, 3cqw, 58px) clamp(26px, 3.1cqw, 60px);
}

.manufacturing-copy p + p {
  margin-top: 1.05em;
}

.company-photo--right {
  margin-top: clamp(30px, 4cqw, 77px);
  margin-bottom: clamp(30px, 3.5cqw, 67px);
  margin-left: auto;
}

.vision {
  margin-top: clamp(32px, 4.8cqw, 92px);
}

.vision h2 {
  margin-bottom: 0.6em;
  padding-left: 0.5em;
  color: #f5f5f5;
  font-size: 1.4em;
  font-weight: 700;
  line-height: 1.2;
}

.about-content .brand-line {
  margin-top: 1.5em;
  text-indent: 0;
  font-size: 1.08em;
  color: #f2f2f2;
}

.product {
  position: relative;
  background: #090909;
}

.product-visual {
  position: relative;
}

.product-image {
  width: 100%;
}

.product-title {
  position: absolute;
  top: 6.2%;
  left: 4%;
  width: 92%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  column-gap: 0.6em;
  color: #f5f5f5;
  font-size: clamp(24px, 3.1cqw, 59px);
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  text-shadow: 0 2px 12px #000;
}

.launch-link {
  position: absolute;
  left: 25%;
  bottom: 6.8%;
  width: 50%;
  min-height: 3.9cqw;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.8cqw;
  padding: 0.65cqw 1.6cqw;
  border: 1px solid transparent;
  border-radius: 999px;
  color: #f5f5f5;
  background: #22190a24;
  font-size: clamp(20px, 2.5cqw, 48px);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.launch-label {
  white-space: nowrap;
}

.kickstarter-logo {
  width: 21cqw;
  flex: 0 1 auto;
}

.launch-link:hover {
  background: #0a2113dc;
  border-color: #05ce7877;
  box-shadow: 0 0 24px #05ce7822;
}

.launch-link:focus-visible {
  outline: 3px solid #05ce78;
  outline-offset: 5px;
  background: #0a2113;
}

@media (max-width: 700px) {
  .about {
    padding-block: calc(clamp(100px, 20vw, 150px) + 24px) 42px;
    background-position: center bottom;
    background-size: 100% 110%;
  }

  /* Crop the original heading separately so it keeps its shape on phones. */
  .about::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: clamp(100px, 20vw, 150px);
    background: #000 url("素材/背景.webp") center top / 180% auto no-repeat;
    pointer-events: none;
  }

  .about-content {
    width: calc(100% - 44px);
    max-width: 580px;
    font-size: 18px;
    line-height: 1.5;
  }

  .about-content p {
    text-indent: 0;
  }

  .company-photo {
    width: 92%;
    max-width: 460px;
  }

  .company-photo--left {
    margin-block: 26px 30px;
  }

  .company-photo--right {
    margin-block: 32px;
  }

  .manufacturing-copy p + p {
    margin-top: 22px;
  }

  .vision {
    margin-top: 32px;
  }

  .vision h2 {
    padding-left: 0;
    font-size: 25px;
    margin-bottom: 14px;
  }

  .about-content .brand-line {
    margin-top: 25px;
    font-size: 19px;
    line-height: 1.35;
  }

  /* Hide the empty image badge; the mobile signup link sits below the photo. */
  .product-visual {
    aspect-ratio: 1920 / 1040;
    overflow: hidden;
  }

  .product-title {
    top: 6%;
    left: 6%;
    width: 88%;
    font-size: clamp(19px, 4.5vw, 28px);
    line-height: 1.2;
  }

  .product-title span {
    flex-basis: 100%;
  }

  .product {
    padding-bottom: 26px;
  }

  .launch-link {
    position: relative;
    inset: auto;
    width: calc(100% - 40px);
    max-width: 490px;
    min-height: 58px;
    max-height: none;
    flex-wrap: wrap;
    gap: 10px 14px;
    margin: 22px auto 0;
    padding: 15px 18px;
    border-color: #a1845b55;
    background: #332818;
    font-size: clamp(16px, 4vw, 21px);
  }

  .kickstarter-logo {
    width: clamp(138px, 39vw, 190px);
    flex-shrink: 0;
  }
}

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

  .launch-link {
    transition: none;
  }
}