@charset "UTF-8";

:root {
  --ink: #0c1014;
  --panel: #151c22;
  --line: #2a3a44;
  --foam: #e8f6f2;
  --mute: #8aa39a;
  --neon: #3ef0c5;
  --neon-deep: #12b894;
  --nav-height: 72px;
  --nav-shadow: 2px 2px 0 rgba(62, 240, 197, 0.35);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  padding-top: var(--nav-height);
  background: var(--ink);
  color: var(--foam);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.container { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; }

.icon::before {
  content: "";
  display: block;
  width: 1em;
  height: 1em;
  background: center / contain no-repeat;
}
.icon-menu::before { background-image: url("../icons/menu.svg"); }
.icon-close::before { background-image: url("../icons/close.svg"); }
.icon-download::before { background-image: url("../icons/download.svg"); }
.icon-arrow-down::before { background-image: url("../icons/arrow-down.svg"); }
.icon-globe::before { background-image: url("../icons/globe.svg"); }

.site-header {
  position: fixed;
  z-index: 40;
  top: 0; right: 0; left: 0;
  height: var(--nav-height);
  background: rgba(12, 16, 20, 0.94);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  gap: 18px;
}
.brand-link { display: flex; align-items: center; gap: 10px; font-weight: 900; }
.brand-logo {
  width: 40px; height: 40px;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--nav-shadow);
}
.nav-list { display: flex; gap: 22px; font-size: 14px; font-weight: 800; }
.nav-list a:hover { color: var(--neon); }
.nav-download {
  margin-left: auto;
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 0 14px;
  color: var(--ink);
  background: var(--neon);
  font-size: 13px;
  font-weight: 800;
  box-shadow: var(--nav-shadow);
}
.menu-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); }
.menu-toggle .icon::before { filter: invert(1); }
.mobile-nav {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.mobile-nav a {
  display: block;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-weight: 800;
}

.hero-section {
  padding: 48px 0 56px;
  background:
    linear-gradient(90deg, transparent 0 12px, rgba(62,240,197,.08) 12px 13px, transparent 13px) 0 0 / 28px 100%,
    radial-gradient(circle at 80% 10%, rgba(62,240,197,.18), transparent 32%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 400px);
  gap: 24px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--neon);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.hero-section h1 {
  margin: 0;
  font-size: clamp(52px, 8vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}
.hero-subtitle {
  margin: 12px 0 14px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
}
.hero-desc { margin: 0 0 22px; max-width: 520px; color: var(--mute); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-primary, .btn-ghost, .btn-dark {
  display: inline-flex;
  min-height: 50px;
  min-width: 148px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  font-weight: 900;
}
.btn-primary {
  color: var(--ink);
  background: var(--neon);
  box-shadow: 5px 5px 0 #06241c;
}
.btn-primary:hover { transform: translate(-2px, -2px); }
.btn-ghost { border: 2px solid var(--neon); color: var(--neon); }
.btn-ghost:hover { background: var(--neon); color: var(--ink); }
.btn-ghost.light { border-color: var(--ink); color: var(--ink); }
.btn-ghost.light:hover { background: var(--ink); color: var(--neon); }
.page-cap { margin: 14px 0 0; color: var(--mute); font-size: 12px; }
.icon-download::before { filter: brightness(0); }

.hero-reel {
  position: relative;
  min-height: 420px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.hero-reel figure {
  margin: 0 24px 0 0;
  padding: 14px 10px;
  width: min(100%, 228px);
  background: #0a0d10;
  border: 2px solid var(--neon);
  box-shadow: 12px 14px 0 rgba(18, 184, 148, 0.22);
}
.hero-reel img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}
.reel-card {
  position: absolute;
  left: 0;
  bottom: 36px;
  width: 210px;
  padding: 14px 16px;
  background: var(--panel);
  border-left: 4px solid var(--neon);
}
.reel-card p { margin: 0 0 4px; color: var(--neon); font-size: 12px; font-weight: 800; }
.reel-card strong { display: block; }
.reel-card small { color: var(--mute); }

.feat-section { padding: 72px 0; background: #10171c; }
.kicker { margin: 0 0 8px; color: var(--neon); font-size: 12px; font-weight: 800; letter-spacing: 0.16em; }
h2 { margin: 0 0 8px; font-size: 32px; }
.lead { margin: 0 0 28px; color: var(--mute); max-width: 560px; }
.feat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feat-row article {
  padding: 22px 20px;
  background: var(--panel);
  border-top: 3px solid var(--neon);
  transition: transform 180ms ease, border-color 180ms ease;
}
.feat-row article:hover { transform: translateY(-4px); border-color: #fff; }
.feat-row b { color: var(--neon); font-size: 22px; }
.feat-row h3 { margin: 10px 0 8px; }
.feat-row p { margin: 0; color: var(--mute); font-size: 14px; }

.shot-section { padding: 72px 0; background: #0a1412; }
.shot-strip { display: flex; flex-wrap: wrap; gap: 16px; }
.shot-strip figure {
  margin: 0;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.shot-strip img { width: 188px; height: auto; margin: 0 auto; }
.shot-strip figcaption { margin-top: 8px; text-align: center; font-size: 13px; font-weight: 800; }

.faq-section { padding: 72px 0; background: #17332d; }
.faq-list { display: grid; gap: 8px; }
.faq-item { background: #1f433c; border: 1px solid #2f5b51; }
.faq-question {
  display: flex;
  width: 100%;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  text-align: left;
  font-weight: 800;
}
.faq-question:hover { color: var(--neon); }
.faq-answer p { margin: 0; padding: 0 16px 16px; color: #c5e6dc; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.official-entry {
  display: flex;
  margin-top: 16px;
  min-height: 56px;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: #0f241f;
  border: 1px dashed var(--neon);
  font-weight: 800;
}
.official-box { padding: 12px 16px; }
.official-box a { color: var(--neon); }

.rev-section { padding: 72px 0; background: #12181d; }
.rev-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.rev-grid article {
  padding: 18px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0 22px 0 22px;
}
.rev-grid time { display: block; margin-bottom: 8px; color: var(--neon); font-size: 12px; font-weight: 800; }
.rev-grid p { margin: 0 0 12px; }
.rev-grid span { font-size: 13px; font-weight: 800; }

.cta-section {
  padding: 28px 0;
  background: var(--neon);
  color: var(--ink);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  background: #8ff9de;
  border: 2px solid var(--ink);
}
.cta-inner .kicker { color: #0a5c4a; }
.cta-inner h2 { margin: 0 0 6px; }
.cta-inner p { margin: 0; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-dark {
  color: var(--foam);
  background: var(--ink);
}

.site-footer {
  padding: 32px 0 18px;
  background: #050708;
  color: #c5d4ce;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; font-weight: 800; }
.site-footer nav a:hover { color: var(--neon); }
.copyright {
  width: min(calc(100% - 36px), var(--max));
  margin: 16px auto 0;
  color: #6d817a;
  font-size: 12px;
}

@media (max-width: 900px) {
  .main-nav, .nav-download { display: none; }
  .menu-toggle { display: grid; place-items: center; margin-left: auto; }
  .hero-inner { display: flex; flex-direction: column; gap: 28px; }
  .hero-content { text-align: center; }
  .hero-desc { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-reel { min-height: 0; justify-content: center; }
  .hero-reel figure { margin: 0 auto; }
  .reel-card { position: static; width: min(100%, 320px); margin: 14px auto 0; }
  .feat-row, .rev-grid, .cta-inner, .footer-inner { display: grid; grid-template-columns: 1fr; }
  .cta-btns, .btn-primary, .btn-ghost, .btn-dark { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .feat-row article, .btn-primary { transition: none; }
}