@font-face {
  font-family: "Alimama FangYuanTi VF";
  src: url("assets/AlimamaFangYuanTiVF.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-cn: "Alimama FangYuanTi VF", "AlimamaFangYuanTiVF", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Outfit", var(--font-cn);
  --color-link: #0073ff;
}

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

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-cn);
  background: #000 url("assets/notice-bg.png") center / cover no-repeat fixed;
  color: #fff;
}

.notice {
  display: flex;
  min-height: 100vh;
}

.panel {
  flex: 0 0 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.panel-left {
  position: relative;
}

.brand-logo {
  width: clamp(195px, 36vh, 389px);
  height: auto;
  display: block;
}

.panel-right {
  justify-content: flex-start;
  background: #000;
}

.content {
  margin-left: clamp(24px, 8.06vh, 87px);
  width: min(792px, calc(100% - 2 * clamp(24px, 8.06vh, 87px)));
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4.81vh, 52px);
}

.titles {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 2.04vh, 22px);
}

.title {
  font-size: clamp(28px, 5.93vh, 64px);
  font-weight: 700;
  font-variation-settings: "wght" 700, "BEVL" 1;
  line-height: 1.17;
  white-space: nowrap;
}

.subtitle {
  font-size: clamp(15px, 2.96vh, 32px);
  font-weight: 600;
  font-variation-settings: "wght" 600, "BEVL" 1;
  line-height: 1.17;
  opacity: 0.46;
}

.partners {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4.81vh, 52px);
}

.partner-group {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2.41vh, 26px);
}

.partner-heading {
  font-size: clamp(18px, 3.33vh, 36px);
  font-weight: 700;
  font-variation-settings: "wght" 700, "BEVL" 1;
  line-height: 1.17;
  white-space: nowrap;
}

.partner-links {
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 0.74vh, 8px);
}

.partner-links a {
  font-size: clamp(15px, 2.96vh, 32px);
  font-weight: 600;
  font-variation-settings: "wght" 600, "BEVL" 1;
  line-height: 1.17;
  color: var(--color-link);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.partner-links a:hover {
  opacity: 0.75;
  text-decoration: underline;
}

.notice .panel {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.notice.loaded .panel {
  opacity: 1;
  transform: none;
}

.notice.loaded .panel-right {
  transition-delay: 0.15s;
}

@media (max-width: 1280px) {
  .content {
    margin-left: 48px;
    width: calc(100% - 96px);
  }
}

@media (max-width: 768px) {
  body {
    background: #000;
  }

  .notice {
    flex-direction: column;
  }

  .panel-left {
    display: none;
  }

  .panel {
    flex: none;
    width: 100%;
  }

  .panel-right {
    min-height: 100vh;
  }

  .content {
    margin: 0 auto;
    width: calc(100% - 48px);
  }

  .title {
    font-size: clamp(28px, 8.5vw, 40px);
    white-space: normal;
  }

  .subtitle {
    font-size: clamp(15px, 4.2vw, 20px);
  }

  .partner-heading {
    font-size: clamp(18px, 5vw, 24px);
    white-space: normal;
  }

  .partner-links a {
    font-size: clamp(15px, 4.5vw, 19px);
  }
}