@charset "UTF-8";

:root {
  --bg: #150e20;
  --bg-2: #1b1229;
  --panel: #231635;
  --panel-2: #2a1a3f;
  --line: #3a2450;
  --ink: #f3edf9;
  --muted: #ada0c3;
  --violet: #5b2a86;
  --violet-soft: #8b56bd;
  --gold: #e0b252;
  --shell: 1180px;
  --header-height: 70px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
svg { display: block; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.4;
}
.eyebrow::before { width: 16px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(21, 14, 32, .95);
  backdrop-filter: blur(14px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--shell));
  min-height: var(--header-height);
  margin: 0 auto;
  gap: 18px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 20px; font-weight: 900; letter-spacing: -.2px; }
.brand img { width: 38px; height: 38px; border: 1px solid rgba(224, 178, 82, .45); border-radius: 10px; object-fit: contain; background: #241638; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border: 1px solid var(--gold);
  border-radius: 4px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(12px, 1.8vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; border-bottom: 2px solid transparent; color: #bfb0d4; font-size: 13px; font-weight: 700; white-space: nowrap; }
.primary-nav a:hover { border-bottom-color: var(--gold); color: #fff; }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: linear-gradient(120deg, var(--gold), #f0cc7c);
  color: #2a1706;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--gold); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* hero: stacked cards + rarity strip */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(560px 420px at 18% 12%, rgba(139, 86, 189, .42), transparent 72%),
    radial-gradient(520px 340px at 94% 4%, rgba(224, 178, 82, .16), transparent 70%),
    linear-gradient(180deg, #1d1230 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: repeating-linear-gradient(72deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 74px);
  mask-image: linear-gradient(180deg, #000, transparent 92%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(26px, 4vw, 56px);
  padding: 58px 0 26px;
}
.card-stack { position: relative; height: clamp(300px, 34vw, 404px); }
.stack-card {
  position: absolute;
  bottom: 0;
  width: 56%;
  aspect-ratio: 3 / 4;
  border-radius: 14px;
  box-shadow: 0 26px 44px rgba(0, 0, 0, .5);
  overflow: hidden;
}
.stack-card-a {
  left: 0;
  bottom: 34px;
  border: 1px solid rgba(224, 178, 82, .4);
  background: linear-gradient(160deg, #3a1f5c, #1a0f2b 74%);
  transform: rotate(-10deg);
  padding: 16px 14px;
}
.stack-card-b {
  left: 19%;
  bottom: 16px;
  border: 1px solid rgba(199, 184, 255, .35);
  background: linear-gradient(150deg, #57307f, #241636 78%);
  transform: rotate(-2deg);
  padding: 16px 14px;
}
.stack-card b {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--gold);
  border-radius: 3px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.4px;
}
.stack-card span { display: block; margin-top: 8px; color: #e9dcf7; font-size: 13px; font-weight: 800; letter-spacing: 2px; }
.stack-card-photo {
  right: 0;
  bottom: 0;
  width: 54%;
  margin: 0;
  border: 1px solid rgba(224, 178, 82, .62);
  transform: rotate(6deg);
  background: #120c1c;
}
.stack-card-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; aspect-ratio: 3 / 4; }
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: #c5b6da;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.6px;
}
.hero-kicker b {
  padding: 3px 8px;
  border: 1px solid var(--gold);
  border-radius: 3px;
  color: var(--gold);
  font-size: 9.5px;
  letter-spacing: 1.2px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(52px, 7.6vw, 96px);
  font-weight: 900;
  letter-spacing: clamp(-3px, -.5vw, -5px);
  line-height: .94;
}
.hero-subtitle { margin: 18px 0 0; color: var(--gold); font-size: clamp(18px, 2.1vw, 24px); font-weight: 800; line-height: 1.4; }
.hero-lead { max-width: 520px; margin: 13px 0 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 14px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.button-primary { background: linear-gradient(120deg, var(--gold), #f2d089); color: #2a1706; box-shadow: 0 14px 30px rgba(224, 178, 82, .2); }
.button-primary:hover { transform: translateY(-2px); background: #f2d089; }
.button-large { min-height: 54px; padding: 0 34px; font-size: 15px; }
.text-link { color: #cbbaDE; border-bottom: 1px dashed #6a4b8c; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--gold); }

.rarity-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 16px 20px 17px;
  margin-bottom: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(35, 22, 53, .78);
}
.rarity-label { margin: 0; color: var(--gold); font-family: var(--mono); font-size: 10.5px; letter-spacing: 1.8px; white-space: nowrap; }
.rarity-strip ul { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; padding: 0; margin: 0; list-style: none; }
.rarity-strip li { display: grid; grid-template-columns: auto auto; align-items: center; gap: 2px 8px; }
.rarity-strip b { color: #d8cbe8; font-family: var(--mono); font-size: 11px; letter-spacing: .8px; }
.rarity-strip span { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.rarity-strip i { grid-column: 1 / -1; display: block; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--violet-soft) var(--w), rgba(255, 255, 255, .1) var(--w)); }
.rarity-strip .is-gold b, .rarity-strip .is-gold span { color: var(--gold); }
.rarity-strip .is-gold i { background: linear-gradient(90deg, var(--gold) 5%, rgba(255, 255, 255, .1) 5%); }
.rarity-count { margin: 0; color: var(--muted); font-size: 11.5px; white-space: nowrap; }

/* features */
.features { padding: 74px 0 78px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 32px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(25px, 2.9vw, 35px); font-weight: 900; letter-spacing: -.8px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 620px; margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, 290px); align-items: end; gap: 26px; }
.section-heading-split > p:last-child { margin: 0 0 5px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.feature-card {
  position: relative;
  padding: 24px 20px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid rgba(224, 178, 82, .55);
  border-radius: 10px;
  background: linear-gradient(170deg, rgba(139, 86, 189, .16), transparent 56%), var(--panel);
}
.feature-no { display: block; margin-bottom: 10px; color: var(--gold); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.6px; }
.feature-card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.85; }

/* shots */
.shots { padding: 74px 0 80px; }
.shot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; align-items: start; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 3 / 5; object-fit: cover; object-position: center 18%; }
.shot-card:nth-child(2) img { object-position: center 30%; }
.shot-card:nth-child(3) img { object-position: center 8%; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 9px; padding: 12px 14px 13px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--gold); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 13px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 72px 0 78px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .76fr) minmax(0, 1.24fr); gap: clamp(26px, 4vw, 52px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 26px); align-self: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 0; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 15.5px; font-weight: 900; }
.faq-list summary i { position: relative; flex: none; width: 22px; height: 22px; border: 1px solid rgba(224, 178, 82, .4); border-radius: 4px; }
.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1.5px;
  content: "";
  background: var(--gold);
  transform: translate(-50%, -50%);
}
.faq-list summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .2s ease; }
.faq-list details[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-list details p { padding: 0 30px 17px 0; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

/* reviews: single wide column */
.reviews { padding: 74px 0 80px; }
.review-list { display: grid; grid-template-columns: 1fr; gap: 10px; padding: 0; margin: 0; list-style: none; }
.review-card {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: start;
  gap: 20px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.review-meta { display: flex; flex-direction: column; gap: 3px; padding-right: 18px; border-right: 1px dashed var(--line); }
.review-meta b { color: var(--gold); font-size: 14px; font-weight: 900; }
.review-meta time { color: #8a7ba3; font-family: var(--mono); font-size: 10.5px; }
.review-card p { margin: 0; color: #cbc0dc; font-size: 13px; line-height: 1.8; }

/* steps: vertical timeline */
.steps { padding: 70px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { display: grid; grid-template-columns: 1fr; gap: 0; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.step-list li { display: grid; grid-template-columns: 86px minmax(0, 1fr); align-items: start; gap: 16px; padding: 20px 4px; border-bottom: 1px solid var(--line); }
.step-list span { color: var(--gold); font-family: var(--mono); font-size: 26px; font-weight: 700; line-height: 1.1; }
.step-list h3 { margin: 0 0 5px; font-size: 17px; font-weight: 900; }
.step-list p { max-width: 720px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* download: text left, button right */
.download { padding: 26px 0; }
.download-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px 34px;
  padding: 48px clamp(24px, 5vw, 56px) 44px;
  border: 1px solid rgba(224, 178, 82, .35);
  border-radius: 14px;
  background:
    radial-gradient(420px 260px at 92% 0%, rgba(224, 178, 82, .2), transparent 70%),
    linear-gradient(122deg, #3a1e5b, #231437 76%);
}
.download .eyebrow { color: var(--gold); }
.download h2 { max-width: 600px; }
.download-inner > p { grid-column: 1; max-width: 520px; margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.download-inner .button { grid-column: 2; grid-row: 1 / span 2; justify-self: end; }
.download-notes { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 20px 0 0; margin: 6px 0 0; border-top: 1px solid rgba(224, 178, 82, .22); list-style: none; }
.download-notes li { color: #c2b3d8; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 8px; color: var(--gold); content: "◆"; }

/* footer */
.site-footer { padding: 42px 0 50px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 40px; align-items: start; }
.footer-brand strong { font-size: 18px; font-weight: 900; }
.footer-brand p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-nav a { color: #bfb0d4; font-size: 12px; }
.footer-nav a:hover { color: var(--gold); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-meta p { margin: 0; }
.footer-meta a { color: var(--muted); }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #8a7ba3; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 24px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rarity-strip { grid-template-columns: auto minmax(0, 1fr); }
  .rarity-count { display: none; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 24px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 16px 26px rgba(0, 0, 0, .55);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; padding: 40px 0 20px; }
  .card-stack { order: 2; height: clamp(300px, 74vw, 420px); max-width: 480px; }
  .hero-copy { order: 1; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .review-card { grid-template-columns: 150px minmax(0, 1fr); gap: 14px; }
  .download-inner { grid-template-columns: 1fr; }
  .download-inner .button { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 6px; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(46px, 15vw, 64px); }
  .feature-grid { grid-template-columns: 1fr; }
  .shot-grid { grid-auto-flow: column; grid-auto-columns: 74%; grid-template-columns: none; gap: 10px; overflow-x: auto; scroll-snap-type: x mandatory; }
  .shot-card { scroll-snap-align: start; }
  .rarity-strip { grid-template-columns: 1fr; gap: 10px; padding: 14px 16px; }
  .rarity-strip ul { gap: 8px; }
  .review-card { grid-template-columns: 1fr; gap: 8px; padding: 16px 18px; }
  .review-meta { flex-direction: row; align-items: baseline; justify-content: space-between; padding: 0 0 8px; border-right: 0; border-bottom: 1px dashed var(--line); }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .step-list li { grid-template-columns: 56px minmax(0, 1fr); gap: 10px; }
  .step-list span { font-size: 21px; }
  .download-notes li { font-size: 10.5px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 7px; }
  .brand img { width: 30px; height: 30px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 34px; padding: 0 10px; font-size: 11px; }
  .menu-toggle { width: 34px; height: 34px; }
  .hero h1 { font-size: 44px; }
  .hero-subtitle { font-size: 16px; }
  .button { width: 100%; }
  .card-stack { height: 300px; }
}