:root {
  --bg: #051a38;
  --panel: rgba(6, 24, 54, 0.78);
  --panel-strong: rgba(10, 34, 72, 0.88);
  --text: #f6eddd;
  --muted: #d6c8aa;
  --accent: #f2c35e;
  --line: rgba(244, 197, 94, 0.16);
  --shadow: 0 24px 80px rgba(2, 10, 24, 0.42);
  --radius-xl: 30px;
  --radius-lg: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(3, 12, 30, 0.56), rgba(3, 12, 30, 0.8)),
    url("./bk.png") center top / cover fixed no-repeat,
    linear-gradient(180deg, #08214a 0%, #061733 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.24;
  background:
    radial-gradient(circle at top right, rgba(248, 198, 92, 0.24), transparent 22%),
    radial-gradient(circle at 15% 85%, rgba(16, 72, 150, 0.26), transparent 30%);
}

.page {
  position: relative;
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 0 14px 44px;
}

.banner-section,
.hero-panel,
.info-section,
.platform-panel,
.detail-panel {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.banner-section {
  overflow: hidden;
  margin-top: 14px;
  border-radius: 0 0 28px 28px;
  background: rgba(255, 255, 255, 0.04);
}

.banner-image {
  width: 100%;
  display: block;
  object-fit: cover;
}

.hero-panel {
  display: grid;
  gap: 18px;
  align-items: center;
  margin-top: 18px;
  padding: 24px 20px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(7, 25, 54, 0.82), rgba(6, 18, 39, 0.94));
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2.2rem, 9vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.32);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 5vw, 2.1rem);
}

.artist-line {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: #f3d596;
}

.disk-wrap {
  display: grid;
  place-items: center;
}

.disk-card {
  position: relative;
  width: min(64vw, 280px);
  aspect-ratio: 1;
  border-radius: 50%;
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.35),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  animation: disk-spin 18s linear infinite;
}

.disk-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 50%;
}

.disk-card::after {
  content: "";
  position: absolute;
  inset: 50%;
  width: 22px;
  height: 22px;
  translate: -50% -50%;
  border-radius: 50%;
  background: #f6eddd;
  box-shadow: 0 0 0 7px rgba(5, 26, 56, 0.6);
}

.info-section,
.platform-panel,
.detail-panel {
  margin-top: 18px;
  padding: 22px 18px;
  border-radius: var(--radius-xl);
  background: var(--panel);
}

.section-head {
  margin-bottom: 18px;
}

.info-list {
  display: grid;
  gap: 12px;
}

.info-card {
  padding: 16px 16px 14px;
  border-radius: var(--radius-lg);
  background: rgba(10, 34, 72, 0.72);
  border: 1px solid rgba(244, 197, 94, 0.12);
}

.info-label {
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.info-value {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.platform-list {
  display: grid;
  gap: 14px;
}

.platform-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
  border: 1px solid rgba(244, 197, 94, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 10px 26px rgba(0, 0, 0, 0.12);
}

.platform-top {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
}

.platform-logo {
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  overflow: hidden;
}

.platform-logo svg {
  width: 100%;
  height: 100%;
  display: block;
}

.platform-meta {
  min-width: 0;
}

.platform-name {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
}

.platform-button {
  width: 100%;
  margin-top: 16px;
  padding: 14px 16px;
  border: 0;
  border-radius: 16px;
  font: inherit;
  font-weight: 800;
  color: #fff;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.platform-button:hover {
  transform: translateY(-1px);
  filter: saturate(1.05);
}

.platform-button:active {
  transform: scale(0.985);
}

.platform-button.qq {
  background: linear-gradient(135deg, #29d869, #149249);
  box-shadow: 0 12px 24px rgba(20, 146, 73, 0.25);
}

.platform-button.netease {
  background: linear-gradient(135deg, #f14d43, #b92a22);
  box-shadow: 0 12px 24px rgba(185, 42, 34, 0.24);
}

.platform-button.soda {
  background: linear-gradient(135deg, #101722, #1c4aff 56%, #ff643d);
  box-shadow: 0 12px 24px rgba(16, 23, 34, 0.28);
}

.detail-gallery {
  overflow: hidden;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
}

.detail-image {
  width: 100%;
  display: block;
}

.footer {
  padding: 18px 6px 0;
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

@keyframes disk-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media (min-width: 760px) {
  .page {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-panel {
    grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.7fr);
    padding: 28px 24px;
  }

  .disk-wrap {
    justify-self: end;
  }

  .disk-card {
    width: 260px;
  }

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

  .platform-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}