:root {
  --gold: #ffd76a;
  --gold-deep: #9b5a08;
  --panel: rgba(3, 15, 43, 0.7);
  --panel-light: rgba(7, 26, 68, 0.62);
  --line: rgba(139, 202, 255, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #020817;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

body {
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
}

.guide-page {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: #020817 url("./bg.png") center / cover no-repeat;
}

.poster {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(7px, 1.1vh, 13px);
  width: 100%;
  height: 100%;
  padding: clamp(14px, 2vh, 26px) clamp(12px, 3vw, 34px) 12px;
  overflow: hidden;
  text-align: center;
}

.poster::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 50% 44%, rgba(1, 10, 31, 0.1), rgba(1, 8, 25, 0.38) 70%),
    linear-gradient(180deg, rgba(0, 4, 15, 0.04), rgba(0, 4, 15, 0.3));
  content: "";
}

.poster::after {
  position: absolute;
  inset: 17% max(10px, 7vw) 9%;
  z-index: 0;
  border: 1px solid rgba(255, 216, 115, 0.13);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(2, 13, 37, 0.2), rgba(2, 13, 37, 0.06));
  box-shadow: inset 0 0 48px rgba(52, 145, 255, 0.14);
  content: "";
}

.flags,
.slogan,
.hero,
.tags,
.features,
.cooperation,
.platforms,
.bottom,
footer {
  position: relative;
  z-index: 1;
}

.flags {
  display: flex;
  justify-content: center;
  gap: clamp(10px, 3vw, 24px);
  font-size: clamp(13px, 2vw, 22px);
  font-weight: 900;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.65);
}

.flags span:nth-child(2) {
  color: #ff4b5e;
}

.flags span:nth-child(3) {
  color: #38df82;
}

.slogan {
  position: absolute;
  top: clamp(40px, 6vh, 72px);
  right: clamp(18px, 5vw, 54px);
  max-width: 34vw;
  font-size: clamp(18px, 3.5vw, 38px);
  font-weight: 900;
  line-height: 1.15;
  text-align: right;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.7);
}

.hero {
  width: 100%;
  margin-top: clamp(4px, 1vh, 14px);
}

.logo {
  display: block;
  width: clamp(180px, 28vh, 330px);
  max-width: min(64vw, 350px);
  height: auto;
  margin: -8px auto -16px;
  filter: drop-shadow(0 14px 20px rgba(0, 0, 0, 0.62));
}

.hero p {
  margin: 0;
  font-size: clamp(19px, 3.2vh, 40px);
  font-weight: 900;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.72);
}

.hero h1 {
  margin: 0;
  color: var(--gold);
  font-size: clamp(38px, 7.2vh, 86px);
  font-weight: 900;
  line-height: 1.03;
  text-shadow: 0 4px 0 var(--gold-deep), 0 10px 22px rgba(0, 0, 0, 0.78);
}

.tags,
.features,
.platforms,
.bottom {
  width: min(100%, 780px);
  margin: 0 auto;
}

.tags {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid rgba(255, 216, 115, 0.62);
  border-radius: 12px;
  background: rgba(3, 13, 36, 0.68);
  backdrop-filter: blur(4px);
}

.tags span {
  min-width: 0;
  padding: clamp(7px, 1vh, 11px) 4px;
  border-left: 1px solid rgba(255, 216, 115, 0.22);
  font-size: clamp(10px, 1.7vh, 18px);
  font-weight: 800;
  white-space: nowrap;
}

.tags span:first-child {
  border-left: 0;
}

.features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(6px, 1vw, 10px);
  padding: clamp(8px, 1vh, 12px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: inset 0 0 30px rgba(73, 162, 255, 0.2), 0 12px 32px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(5px);
}

.features article {
  min-width: 0;
  min-height: clamp(56px, 7.5vh, 82px);
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 8px 5px;
  border: 1px solid rgba(139, 202, 255, 0.25);
  border-radius: 12px;
  background: rgba(5, 21, 57, 0.58);
}

.features strong {
  font-size: clamp(13px, 2vh, 22px);
}

.features span,
.cooperation p,
.platform span,
.guarantees span,
.qr span {
  color: #c4ddff;
  font-size: clamp(10px, 1.5vh, 15px);
  line-height: 1.35;
}

.cooperation h2 {
  margin: 0;
  color: #fff1b8;
  font-size: clamp(24px, 4vh, 42px);
  font-weight: 900;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.64);
}

.cooperation {
  width: 100%;
}

.cooperation p {
  margin: 3px 0 0;
}

.platforms {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(7px, 1.6vw, 16px);
}

.platform {
  min-width: 0;
  min-height: clamp(88px, 12.5vh, 138px);
  display: grid;
  gap: 8px;
  padding: 0 clamp(6px, 1vw, 10px) 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 14px;
  background: rgba(2, 12, 36, 0.72);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(5px);
}

.platform strong {
  margin: 0 calc(clamp(6px, 1vw, 10px) * -1);
  padding: 7px 3px;
  font-size: clamp(12px, 1.9vh, 20px);
  white-space: nowrap;
}

.platform span {
  display: grid;
  place-items: center;
  min-height: clamp(50px, 7vh, 68px);
  border: 1px dashed rgba(255, 255, 255, 0.7);
  border-radius: 10px;
  color: rgba(196, 221, 255, 0.56);
  font-size: clamp(14px, 2.3vh, 24px);
}

.platform-blue strong {
  background: linear-gradient(90deg, #176ad6, #3b93ff);
}

.platform-red strong {
  background: linear-gradient(90deg, #b92727, #f24848);
}

.platform-green strong {
  background: linear-gradient(90deg, #108b4d, #22ce72);
}

.bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(76px, 12vh, 124px);
  align-items: end;
  gap: clamp(8px, 1.6vw, 16px);
  margin-top: auto;
}

.guarantees {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(4px, 1vw, 10px);
}

.guarantees article {
  min-width: 0;
  padding: 8px 4px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(180deg, rgba(3, 15, 43, 0.12), rgba(3, 15, 43, 0.36));
}

.guarantees strong,
.qr strong {
  display: block;
  color: #ffe28b;
  font-size: clamp(11px, 1.7vh, 18px);
  font-weight: 900;
}

.qr {
  min-width: 0;
}

.floating-qr {
  display: none;
}

.qr-box {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1;
  padding: 4px;
  border: 5px solid #fff;
  background: #fff;
  box-shadow: 0 0 18px rgba(255, 223, 132, 0.62);
}

.qr-box img,
.qr-box canvas {
  display: block;
  width: 100%;
  height: 100%;
}

footer {
  width: 100%;
  color: #ffe28b;
  font-size: clamp(14px, 2.2vh, 26px);
  font-weight: 900;
  letter-spacing: 0;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.68);
}

@media (max-width: 640px) {
  .guide-page {
    background-position: center top;
  }

  .poster {
    gap: 6px;
    padding: 10px 10px 8px;
  }

  .slogan {
    display: none;
  }

  .logo {
    width: 174px;
    max-width: 58vw;
    margin: -8px auto -16px;
  }

  .hero p {
    font-size: 20px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .tags {
    width: min(calc(100vw - 36px), 342px);
  }

  .tags span {
    font-size: 10px;
    padding-inline: 2px;
  }

  .features {
    width: min(calc(100vw - 36px), 342px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 8px;
  }

  .features article {
    min-height: 58px;
  }

  .platforms {
    width: min(calc(100vw - 36px), 342px);
    gap: 6px;
  }

  .platform {
    min-height: 98px;
    padding-inline: 5px;
  }

  .platform strong {
    margin-inline: -5px;
    font-size: 11px;
  }

  .platform span {
    min-height: 54px;
    font-size: 14px;
  }

  .bottom {
    width: min(calc(100vw - 36px), 342px);
    grid-template-columns: minmax(0, 1fr) 70px;
    gap: 8px;
  }

  .guarantees {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guarantees article {
    padding: 5px 2px;
  }
}

@media (max-height: 760px) {
  .poster {
    gap: 5px;
  }

  .logo {
    width: 146px;
  }

  .hero p {
    font-size: 18px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .features article {
    min-height: 50px;
  }

  .platform {
    min-height: 88px;
  }

  .platform span {
    min-height: 46px;
  }
}