:root {
  color-scheme: dark;
  --bg: #05070c;
  --panel: #08111d;
  --text: #f6fbff;
  --muted: #9eb3c8;
  --blue: #2aa8ff;
  --cyan: #48f0ff;
  --line: rgba(120, 205, 255, 0.26);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 8%, rgba(42, 168, 255, 0.2), transparent 28rem),
    radial-gradient(circle at 80% 20%, rgba(72, 240, 255, 0.12), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Noto Sans SC",
    Arial,
    sans-serif;
  letter-spacing: 0;
}

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

.topbar {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 54px);
  background: linear-gradient(180deg, rgba(2, 5, 10, 0.82), rgba(2, 5, 10, 0));
}

.brand {
  font-size: 18px;
  font-weight: 900;
}

nav {
  display: flex;
  gap: clamp(12px, 3vw, 30px);
  color: var(--muted);
  font-size: 14px;
}

nav a {
  transition: color 180ms ease, transform 180ms ease;
}

nav a:hover {
  color: var(--cyan);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: 104px clamp(20px, 6vw, 76px) 72px;
}

.hero-image,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.15) contrast(1.12);
  transform: scale(1.04);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(2, 5, 10, 0.94), rgba(2, 5, 10, 0.5) 46%, rgba(2, 5, 10, 0.1)),
    linear-gradient(0deg, rgba(2, 5, 10, 0.92), rgba(2, 5, 10, 0.14) 62%);
}

.hero-grid {
  opacity: 0.26;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(0deg, black, transparent 78%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 740px;
}

.kicker,
.section-label {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 16px;
  font-size: clamp(52px, 10vw, 118px);
  line-height: 0.92;
  font-weight: 950;
  max-width: 9ch;
  text-shadow: 0 0 30px rgba(42, 168, 255, 0.28);
}

.nickname {
  margin-bottom: 10px;
  color: var(--blue);
  font-size: clamp(32px, 6vw, 66px);
  line-height: 1;
  font-weight: 900;
}

.tagline {
  max-width: 560px;
  margin-bottom: 30px;
  color: #dff8ff;
  font-size: clamp(22px, 3.2vw, 38px);
  font-weight: 800;
}

.scroll-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border: 1px solid rgba(72, 240, 255, 0.58);
  padding: 12px 18px;
  background: rgba(2, 10, 18, 0.58);
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.scroll-link:hover {
  border-color: var(--cyan);
  background: rgba(42, 168, 255, 0.18);
  transform: translateY(-2px);
}

.section {
  display: grid;
  max-width: var(--max);
  min-height: 72svh;
  margin: 0 auto;
  padding: 110px clamp(20px, 5vw, 52px);
  align-items: center;
}

.about {
  grid-template-columns: 0.42fr 1fr;
  gap: 52px;
  border-bottom: 1px solid rgba(120, 205, 255, 0.14);
}

.section-copy h2,
.game-copy h2,
.final-panel h2 {
  margin-bottom: 20px;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 1.02;
  font-weight: 950;
}

.section-copy p,
.game-copy p,
.final-panel p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.8;
}

.split {
  grid-template-columns: 0.9fr 1.1fr;
  gap: 62px;
}

.hobby-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.hobby-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
}

.hobby-list span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.hobby-list strong {
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.1;
}

.game-zone {
  position: relative;
  grid-template-columns: 1fr;
  overflow: hidden;
  max-width: none;
  padding-right: max(clamp(20px, 6vw, 76px), calc((100vw - var(--max)) / 2));
  padding-left: max(clamp(20px, 6vw, 76px), calc((100vw - var(--max)) / 2));
  background:
    linear-gradient(135deg, rgba(7, 18, 32, 0.94), rgba(3, 8, 14, 0.98)),
    repeating-linear-gradient(90deg, rgba(72, 240, 255, 0.08) 0 1px, transparent 1px 140px);
}

.game-zone::before {
  content: "";
  position: absolute;
  inset: 18% -10% auto auto;
  width: 56vw;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 28px rgba(72, 240, 255, 0.75);
  transform: rotate(-15deg);
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 52px;
  border: 1px solid var(--line);
  background: var(--line);
}

.scoreboard div {
  min-height: 132px;
  padding: 24px;
  background: rgba(3, 9, 16, 0.88);
}

.scoreboard span {
  display: block;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.scoreboard strong {
  display: block;
  color: var(--text);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.05;
}

.final-panel {
  min-height: 68svh;
  padding: 110px clamp(20px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(5, 7, 12, 0.1), var(--bg)),
    radial-gradient(circle at 50% 0%, rgba(42, 168, 255, 0.18), transparent 42rem);
  text-align: center;
}

.final-panel h2,
.final-panel p {
  margin-right: auto;
  margin-left: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 760px) {
  .topbar {
    padding: 16px 18px;
  }

  nav {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    min-height: 96svh;
    padding: 92px 20px 52px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(2, 5, 10, 0.92), rgba(2, 5, 10, 0.58)),
      linear-gradient(0deg, rgba(2, 5, 10, 0.95), rgba(2, 5, 10, 0.22) 62%);
  }

  h1 {
    max-width: 8ch;
  }

  .section,
  .about,
  .split,
  .game-zone {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 36px;
    padding-top: 82px;
    padding-bottom: 82px;
  }

  .hobby-list li {
    grid-template-columns: 48px 1fr;
    min-height: 76px;
  }

  .scoreboard {
    grid-template-columns: 1fr;
  }

  .scoreboard div {
    min-height: 104px;
  }
}