:root {
  --bg: #090706;
  --bg-soft: #120d0a;
  --panel: rgba(28, 18, 13, .92);
  --gold: #ffcf58;
  --gold-deep: #b46c14;
  --cream: #fff2c7;
  --red: #d72c16;
  --text: #f6eee1;
  --muted: #aa9b8b;
  --border: rgba(255, 196, 86, .22);
  --shadow: 0 24px 70px rgba(0,0,0,.42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(148, 46, 14, .18), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(205, 122, 15, .12), transparent 24%),
    linear-gradient(180deg, #090706, #0b0806 55%, #060505);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.page-glow { position: fixed; width: 40vw; height: 40vw; border-radius: 50%; filter: blur(90px); opacity: .12; pointer-events:none; z-index:0; }
.page-glow-a { top: 10vh; left: -15vw; background: #c24710; }
.page-glow-b { top: 45vh; right: -15vw; background: #e9ab2e; }

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px clamp(16px, 3vw, 42px);
  background: rgba(7,5,4,.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,208,106,.12);
}

.brand-wrap { display:flex; align-items:center; gap:12px; min-width: 0; }
.brand-mark {
  width: 46px; height: 46px; flex: 0 0 46px;
  border-radius: 10px;
  display:grid; place-items:center;
  font-family: serif;
  font-weight: 900; font-size: 24px;
  color:#ffeaa4;
  background: radial-gradient(circle at 40% 30%, #ef6b23, #7e1208 65%, #300705);
  border: 1px solid #d99c35;
  box-shadow: inset 0 0 0 2px rgba(255,210,101,.22), 0 5px 22px rgba(0,0,0,.42);
}
.brand-title { font-weight: 900; letter-spacing: 1px; font-size: 17px; }
.brand-sub { color: var(--muted); font-size: 11px; margin-top:2px; }
.top-meta { margin-left:auto; display:flex; align-items:center; gap:10px; color:#f9ca47; font-size:13px; white-space:nowrap; }
.top-pill { padding:4px 8px; color:#f6dfad; background:#29170f; border:1px solid var(--border); border-radius:999px; }

.download-btn {
  border: 1px solid #ffcf58;
  color:#2a0f03;
  background: linear-gradient(180deg, #ffe788 0%, #ffbb22 42%, #d45e0c 100%);
  box-shadow: 0 8px 24px rgba(192,94,7,.28), inset 0 1px 0 rgba(255,255,255,.6), inset 0 -2px 0 rgba(70,15,0,.35);
  font-weight: 900;
  cursor: pointer;
  transition: transform .18s ease, filter .18s ease;
}
.download-btn:hover { transform: translateY(-2px); filter: brightness(1.06); }
.download-btn:active { transform: translateY(0); }
.download-btn-top { padding:10px 16px; border-radius:10px; min-width:120px; }
.download-btn-main { padding:15px 28px; border-radius:14px; min-width:220px; font-size:20px; }
.download-icon { margin-right:8px; }

.hero, .section, .download-panel, .final-cta, .footer { position:relative; z-index:1; }
.hero { padding: 20px clamp(12px, 2vw, 28px) 0; }
.hero-carousel { position:relative; max-width:1200px; margin:0 auto; border-radius:22px; overflow:hidden; box-shadow: var(--shadow); border:1px solid rgba(255,210,105,.14); background:#0c0806; }
.slides { position:relative; aspect-ratio: 1200/520; min-height: 330px; }
.slide { position:absolute; inset:0; opacity:0; transition:opacity .65s ease; pointer-events:none; display:block; }
.slide.active { opacity:1; pointer-events:auto; }
.slide img { width:100%; height:100%; object-fit:cover; display:block; }
.slide-shade { position:absolute; inset:0; background: linear-gradient(90deg, rgba(4,3,2,.78) 0%, rgba(4,3,2,.28) 42%, rgba(4,3,2,.08) 70%), linear-gradient(0deg, rgba(4,3,2,.55), transparent 45%); }
.hero-copy { position:absolute; top:50%; left:clamp(22px, 5vw, 70px); transform:translateY(-50%); max-width:540px; }
.hero-kicker { color:#f8c83e; letter-spacing:3px; font-size:13px; font-weight:800; margin-bottom:12px; }
.hero-copy h1 { margin:0; font-family: Georgia, "Songti SC", serif; line-height: .95; font-size:clamp(42px, 6vw, 72px); text-shadow: 0 5px 18px rgba(0,0,0,.68); }
.hero-copy h1 em { color:#ffe5a0; font-style:normal; text-shadow:0 0 18px rgba(255,186,55,.38); }
.hero-copy p { color:#f2e5d4; margin:18px 0 0; line-height:1.7; font-size:15px; max-width:460px; }
.carousel-arrow { position:absolute; top:50%; transform:translateY(-50%); width:46px; height:70px; border:0; border-radius:12px; background:rgba(0,0,0,.35); color:#ffe1a0; font-size:44px; cursor:pointer; backdrop-filter: blur(8px); }
.carousel-arrow.prev { left:14px; }
.carousel-arrow.next { right:14px; }
.carousel-dots { position:absolute; left:50%; bottom:16px; transform:translateX(-50%); display:flex; gap:8px; }
.dot { width:9px; height:9px; border-radius:50%; border:1px solid rgba(255,231,158,.78); background:rgba(0,0,0,.25); padding:0; cursor:pointer; }
.dot.active { width:28px; border-radius:999px; background:#f6bf35; }

.download-panel { max-width:1200px; margin:18px auto 0; padding: 0 clamp(12px, 2vw, 28px); }
.download-inner { display:flex; align-items:center; justify-content:space-between; gap:24px; padding:26px 30px; border:1px solid var(--border); border-radius:18px; background: linear-gradient(135deg, rgba(37,22,14,.96), rgba(16,10,7,.94)); box-shadow: var(--shadow); }
.download-copy h2 { margin:0 0 8px; font-size:clamp(24px, 4vw, 34px); }
.download-copy p { margin:5px 0; color:#d0c0ae; }
.download-copy strong { color:#ffcf58; }
.download-tip { font-size:13px; }
.download-note { color:#8f8174; text-align:center; padding:10px 0 0; font-size:12px; }
code { color:#f1c44d; }

.section { max-width:1200px; margin:0 auto; padding:88px clamp(16px, 3vw, 32px) 0; }
.section-heading { display:flex; align-items:end; gap:16px; margin-bottom:28px; }
.section-heading.centered { display:block; text-align:center; }
.section-kicker { color:#f1c43d; font-size:13px; letter-spacing:3px; font-weight:800; }
.section-heading h2, .final-cta h2 { margin:6px 0 0; font-size:clamp(28px, 4vw, 42px); font-family: Georgia, "Songti SC", serif; }
.heading-line { height:1px; flex:1; background:linear-gradient(90deg, rgba(251,205,81,.7), transparent); }

.feature-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.feature-card { padding:24px 20px; border-radius:18px; background:linear-gradient(180deg, rgba(29,18,13,.94), rgba(14,9,6,.96)); border:1px solid var(--border); box-shadow:0 12px 38px rgba(0,0,0,.22); }
.feature-icon { font-size:28px; color:#ffd56a; margin-bottom:10px; }
.feature-card h3 { margin:0 0 10px; font-size:18px; }
.feature-card p { margin:0; color:#9f9185; font-size:13px; line-height:1.75; }

.screen-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.screen-card { margin:0; border-radius:16px; overflow:hidden; border:1px solid var(--border); background:#100b08; box-shadow:0 14px 34px rgba(0,0,0,.26); }
.screen-card img { width:100%; aspect-ratio: 16/9; object-fit:cover; display:block; }
.screen-card figcaption { padding:12px 14px; color:#f4d47b; font-size:13px; }

.gear-layout { display:grid; grid-template-columns:1.3fr .9fr; gap:20px; align-items:stretch; }
.gear-visual { position:relative; border-radius:18px; overflow:hidden; border:1px solid var(--border); min-height:420px; background:#0e0a07; }
.gear-visual img { width:100%; height:100%; object-fit:cover; display:block; filter:saturate(1.08) contrast(1.03); }
.gear-badge { position:absolute; left:20px; bottom:20px; background:linear-gradient(180deg,#8f210d,#320704); border:1px solid #f0bd4b; padding:10px 14px; border-radius:12px; font-size:28px; line-height:.95; font-weight:900; color:#ffe6a5; box-shadow:0 8px 28px rgba(0,0,0,.34); }
.gear-badge span { font-size:12px; letter-spacing:2px; color:#ffc65e; }
.gear-list { display:grid; grid-template-rows:repeat(4,1fr); gap:12px; }
.gear-item { display:flex; gap:14px; align-items:flex-start; padding:20px; border:1px solid var(--border); background:rgba(24,15,10,.86); border-radius:16px; }
.gear-item > span { color:#ffcf58; font: 900 22px/1 Georgia,serif; min-width:30px; }
.gear-item strong { display:block; margin-bottom:5px; }
.gear-item p { color:#9e9185; font-size:13px; line-height:1.6; margin:0; }

.review-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.review-card { display:flex; gap:12px; padding:20px; border-radius:16px; border:1px solid var(--border); background:rgba(19,12,9,.9); }
.avatar { width:46px; height:46px; border-radius:50%; display:grid; place-items:center; flex:0 0 46px; background:linear-gradient(135deg,#c7731b,#6f1b09); color:#ffe8aa; border:1px solid #dca741; font-weight:900; }
.review-top { display:flex; gap:10px; align-items:center; font-size:14px; }
.review-top span { color:#ffca40; letter-spacing:1px; }
.review-card p { color:#a99988; font-size:13px; line-height:1.7; margin:7px 0 0; }

.final-cta { margin-top:88px; padding:72px 18px 88px; text-align:center; background: radial-gradient(circle at center, rgba(139,55,14,.21), transparent 60%); border-top:1px solid rgba(240,187,66,.09); border-bottom:1px solid rgba(240,187,66,.09); }
.final-cta p { color:#aa9d91; margin:12px 0 22px; }

.footer { padding:28px 18px 36px; text-align:center; color:#766c62; font-size:12px; }
.footer-links { display:flex; justify-content:center; gap:22px; margin:10px 0; }
.footer-links a:hover { color:#d1a84b; }
.copyright { color:#554c45; }

@media (max-width: 900px) {
  .top-meta { display:none; }
  .feature-grid { grid-template-columns:repeat(2,1fr); }
  .screen-grid { grid-template-columns:repeat(2,1fr); }
  .gear-layout { grid-template-columns:1fr; }
  .review-grid { grid-template-columns:1fr; }
}

@media (max-width: 640px) {
  .topbar {
    padding:10px 12px;
    gap:10px;
  }

  .brand-mark {
    width:40px;
    height:40px;
    flex-basis:40px;
    font-size:20px;
  }

  .brand-title {
    font-size:14px;
  }

  .brand-sub {
    font-size:9px;
  }

  /* 移动端：顶部下载按钮固定靠页面右侧 */
  .download-btn-top {
    margin-left:auto;
    min-width:96px;
    padding:9px 11px;
    font-size:13px;
  }

  .hero {
    padding:10px 8px 0;
  }

  .hero-carousel {
    border-radius:14px;
  }

  .slides {
    min-height:300px;
    aspect-ratio:auto;
    height:390px;
  }

  .slide img {
    object-position:center;
  }

  .hero-copy {
    left:18px;
    right:18px;
    top:auto;
    bottom:38px;
    transform:none;
  }

  .hero-copy h1 {
    font-size:37px;
  }

  .hero-copy p {
    font-size:13px;
    margin-top:11px;
    max-width:310px;
  }

  .hero-kicker {
    font-size:11px;
    margin-bottom:8px;
    letter-spacing:2px;
  }

  .carousel-arrow {
    width:36px;
    height:48px;
    font-size:34px;
  }

  .download-panel {
    padding:0 8px;
  }

  .download-inner {
    padding:20px 16px;
    flex-direction:column;
    align-items:stretch;
  }

  .download-btn-main {
    width:100%;
    min-width:0;
  }

  .section {
    padding:64px 12px 0;
  }

  .feature-grid,
  .screen-grid {
    grid-template-columns:1fr;
  }

  .gear-visual {
    min-height:290px;
  }

  .final-cta {
    margin-top:64px;
    padding:58px 15px 70px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  .slide { transition:none; }
  .download-btn { transition:none; }
}