:root {
  --ink: #061017;
  --panel: #0b1f29;
  --panel-2: #102d38;
  --paper: #f6eedb;
  --muted: #9bb0b6;
  --cyan: #49e5dc;
  --gold: #e8b84f;
  --red: #f05d61;
  --line: rgba(116, 210, 205, .22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: "Microsoft YaHei", system-ui, sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

body::before {
  position: fixed; inset: 0; z-index: 99; pointer-events: none; content: "";
  background: repeating-linear-gradient(180deg, transparent 0 4px, rgba(0,0,0,.1) 5px);
  mix-blend-mode: multiply;
}

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; gap: 32px;
  min-height: 74px; padding: 12px clamp(18px, 5vw, 70px); background: rgba(6,16,23,.86);
  border-bottom: 1px solid var(--line); backdrop-filter: blur(16px);
}
.brand { margin-right: auto; font-family: Impact, sans-serif; font-size: 26px; letter-spacing: .09em; }
.brand span { color: var(--cyan); }
nav { display: flex; gap: 28px; color: #c8d8d9; font-size: 14px; }
nav a:hover { color: var(--cyan); }
.wallet-button { padding: 11px 16px; color: var(--ink); background: var(--cyan); border: 0; font-weight: 900; cursor: pointer; box-shadow: 4px 4px 0 var(--gold); }

.hero { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; min-height: 100svh; overflow: hidden; padding: 150px clamp(24px, 7vw, 110px) 90px; background: radial-gradient(circle at 75% 40%, #17384a 0, #091922 45%, #061017 76%); }
.hero::after { position: absolute; inset: auto 0 0; height: 160px; content: ""; background: linear-gradient(transparent, var(--ink)); }
.hero-copy { position: relative; z-index: 4; align-self: center; max-width: 760px; }
.eyebrow, .section-tag { color: var(--cyan); font-size: 12px; font-weight: 900; letter-spacing: .18em; }
h1, h2, h3 { margin: 0; font-family: Impact, "Microsoft YaHei", sans-serif; letter-spacing: .04em; }
h1 { font-size: clamp(78px, 11vw, 172px); line-height: .88; text-shadow: 9px 9px 0 #183440; }
h1 span { color: var(--cyan); }
.lead { max-width: 680px; margin: 34px 0; color: #c5d3d4; font-size: clamp(17px, 1.8vw, 23px); line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 12px 25px; border: 2px solid var(--paper); font-weight: 900; }
.button.primary { color: var(--ink); background: var(--cyan); border-color: var(--cyan); box-shadow: 6px 6px 0 var(--gold); }
.button.secondary { background: rgba(0,0,0,.28); }
.wallet-status { margin-top: 24px; color: var(--muted); font-size: 12px; }
.hero-scene { position: relative; min-height: 570px; align-self: center; }
.portal-ring { position: absolute; top: 45px; left: 50%; width: 430px; height: 430px; transform: translateX(-50%); border: 9px solid var(--cyan); border-radius: 50%; box-shadow: 0 0 45px var(--cyan), inset 0 0 55px rgba(73,229,220,.52); }
.hero-dragon { position: absolute; top: 130px; left: 50%; width: min(580px, 92%); transform: translateX(-50%); image-rendering: pixelated; filter: drop-shadow(0 22px 24px rgba(0,0,0,.55)); }
.hero-knight { position: absolute; right: 8%; bottom: 54px; width: 150px; image-rendering: pixelated; filter: drop-shadow(0 18px 10px #000); }
.pixel-grid { position: absolute; inset: 50% -30% -20% -30%; background: linear-gradient(rgba(73,229,220,.18) 2px, transparent 2px), linear-gradient(90deg, rgba(73,229,220,.18) 2px, transparent 2px); background-size: 48px 48px; transform: perspective(500px) rotateX(63deg); }

.section { padding: clamp(80px, 10vw, 145px) clamp(24px, 7vw, 110px); }
.section h2 { max-width: 850px; font-size: clamp(46px, 7vw, 92px); line-height: 1.08; }
.engine { display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; border-top: 1px solid var(--line); }
.engine-copy { padding-top: 25px; color: #b9cbce; font-size: 18px; line-height: 2; }
.section-heading { margin-bottom: 52px; }
.realms { background: #081821; }
.realm-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.realm-card { position: relative; min-height: 340px; overflow: hidden; background: var(--panel); border: 1px solid var(--line); }
.realm-card.featured { grid-column: span 2; }
.realm-card.wide { grid-column: span 2; }
.realm-card img { width: 100%; height: 270px; object-fit: cover; image-rendering: pixelated; transition: transform .25s ease; }
.realm-card:hover img { transform: scale(1.05); }
.realm-card div { position: absolute; inset: auto 0 0; display: flex; flex-direction: column; gap: 5px; padding: 50px 20px 19px; background: linear-gradient(transparent, rgba(2,8,12,.96) 42%); }
.realm-card b { font-size: 20px; }.realm-card span { color: var(--muted); font-size: 13px; }
.class-panel { display: grid; grid-template-columns: 260px 1fr auto; gap: 55px; align-items: center; padding: clamp(30px, 5vw, 70px); background: linear-gradient(135deg, var(--panel-2), var(--panel)); border: 1px solid var(--line); box-shadow: 12px 12px 0 #163c48; }
.class-panel img { width: 100%; image-rendering: pixelated; filter: drop-shadow(0 20px 16px #000); }
.class-panel span { color: var(--cyan); font-weight: 900; }.class-panel h3 { font-size: 64px; }.class-panel p { max-width: 600px; color: #b9cbce; line-height: 1.9; }
.class-panel ul { min-width: 235px; margin: 0; padding: 24px; color: #c5d5d6; background: rgba(0,0,0,.25); line-height: 2.2; }
.cta { text-align: center; background: radial-gradient(circle, #173747, #061017 66%); }
.cta h2 { margin: 0 auto 42px; }.cta .button { min-width: 240px; }
footer { display: grid; grid-template-columns: auto 1fr auto; gap: 30px; align-items: center; padding: 30px clamp(24px, 7vw, 110px); color: var(--muted); border-top: 1px solid var(--line); font-size: 12px; }
footer b { color: var(--paper); font-size: 20px; }

@media (max-width: 960px) {
  nav { display: none; }
  .wallet-button { padding: 10px; font-size: 11px; }
  .hero { grid-template-columns: 1fr; padding-top: 120px; }
  .hero-copy { text-align: center; }.hero-actions { justify-content: center; }
  .hero-scene { min-height: 430px; }.portal-ring { width: 330px; height: 330px; }.hero-dragon { top: 110px; }.hero-knight { width: 115px; }
  .engine { grid-template-columns: 1fr; }.realm-grid { grid-template-columns: 1fr 1fr; }.realm-card.featured,.realm-card.wide { grid-column: span 2; }
  .class-panel { grid-template-columns: 180px 1fr; }.class-panel ul { grid-column: span 2; }
  footer { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 560px) {
  .brand { font-size: 20px; }.site-header { gap: 10px; }.wallet-button { max-width: 130px; }
  h1 { font-size: 76px; }.lead { font-size: 16px; }.hero-scene { min-height: 350px; }.portal-ring { width: 270px; height: 270px; }.hero-dragon { top: 95px; }.hero-knight { width: 90px; }
  .realm-grid { grid-template-columns: 1fr; }.realm-card.featured,.realm-card.wide { grid-column: auto; }
  .class-panel { grid-template-columns: 1fr; text-align: center; }.class-panel img { width: 190px; margin: auto; }.class-panel ul { grid-column: auto; text-align: left; }
}