:root {
  color-scheme: light;
  --ink: #29454b;
  --coral: #e9777d;
  --coral-deep: #d9606b;
  --ocean: #237e89;
  --ocean-deep: #17636e;
}

html, body, #all, .wrapper { min-height: 100%; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  background: #5b9299;
}
.wrapper {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(180deg, rgba(20, 49, 56, .13), rgba(13, 61, 68, .23)),
    url("../images/island-background.webp") center center / cover no-repeat;
}
.main {
  width: 100%;
  padding: clamp(38px, 8vh, 88px) 18px;
  z-index: 1;
}
.main h1 {
  margin: 0 0 28px;
  color: #fffaf3;
  font-size: clamp(27px, 3.1vw, 40px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: .06em;
  text-shadow: 0 2px 18px rgba(24, 53, 57, .55);
}
.content {
  width: min(100%, 440px);
  border: 1px solid rgba(255, 255, 255, .83);
  border-radius: 18px;
  background: rgba(255, 252, 247, .93);
  box-shadow: 0 18px 60px rgba(18, 67, 73, .18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
}
.content-top { padding: 24px; }
.content-top h2 {
  padding: 13px 12px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(115deg, var(--coral), var(--coral-deep));
  font-size: 21px;
  line-height: 1.5;
  letter-spacing: .08em;
}
.content-top ul { margin: 10px 0 0; }
.content-top ul li {
  padding: 17px 3px 18px;
  border-bottom: 1px solid rgba(35, 126, 137, .14);
  line-height: 1.7;
  text-align: center;
}
.content-top ul li .address-label {
  display: block;
  color: #5b6c6c;
  font-size: 14px;
}
.content-top ul li a { display: block; }
.content-top ul li a i {
  margin: 5px 0 0;
  color: var(--ocean-deep);
  font-size: 18px;
  font-weight: 600;
  font-style: normal;
  overflow-wrap: anywhere;
}
.address-link:hover i { color: var(--coral-deep); }
.jump-section { margin-top: 22px; }
.jump-button {
  padding: 16px 15px;
  border-radius: 10px;
  background: linear-gradient(115deg, #3197a0, var(--ocean));
  box-shadow: 0 7px 18px rgba(35, 126, 137, .22);
  color: #fff;
}
.jump-button:hover {
  background: linear-gradient(115deg, var(--ocean), var(--ocean-deep));
  box-shadow: 0 9px 23px rgba(35, 126, 137, .27);
  transform: translateY(-2px);
}
.jump-button:active { transform: translateY(0); }
.button-label { display: block; font-size: 18px; font-weight: 600; }
.countdown-note { display: block; margin-top: 5px; font-size: 12px; opacity: .88; }
.countdown-note[hidden] { display: none; }
.content-top p.tips, .content-top p.manual-note {
  margin: 16px 0 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #697b7a;
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}
p.footer {
  width: auto;
  margin: 26px auto 0;
  color: #fffaf3;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.8;
  text-shadow: 0 1px 10px rgba(24, 53, 57, .65);
}
a:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
@media (max-width: 480px) {
  .main { padding: 38px 20px; }
  .main h1 { margin-bottom: 24px; }
  .content-top { padding: 20px; }
  .content-top h2 { font-size: 19px; }
  .content-top ul li a i { font-size: 17px; }
  p.footer { margin-top: 23px; font-size: 13px; }
}
@media (max-width: 340px) {
  .main { padding-inline: 13px; }
  .main h1 { font-size: 25px; }
  .content-top { padding: 16px; }
  .content-top ul li a i { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .jump-button:hover, .jump-button:active { transform: none; }
}