:root {
  color-scheme: dark;
  --bg: #060606;
  --panel: #111;
  --line: rgba(226, 183, 70, 0.22);
  --line-soft: rgba(255, 255, 255, 0.08);
  --gold: #d9b74e;
  --gold-2: #f3d982;
  --gold-3: #a87812;
  --text: #f5f5f2;
  --muted: #a5a5a5;
  --green: #37d58a;
  --red: #ef6060;
  --max: 1180px;
  --radius: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  line-height: 1.65;
  background: radial-gradient(circle at 18% 10%, rgba(217, 183, 78, 0.12), transparent 28rem), radial-gradient(circle at 84% 38%, rgba(243, 217, 130, 0.07), transparent 24rem), var(--bg);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.nav { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line-soft); background: rgba(6, 6, 6, 0.72); backdrop-filter: blur(16px); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 900; white-space: nowrap; }
.brand__mark { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(135deg, rgba(217, 183, 78, 0.24), rgba(255, 255, 255, 0.04)); }
.brand__mark svg { width: 18px; height: 18px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.nav__links { display: flex; align-items: center; gap: 22px; color: #cfcfcf; font-size: 14px; }
.nav__links a:hover { color: var(--gold-2); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: var(--radius); font: inherit; font-weight: 800; line-height: 1; cursor: pointer; transition: 0.2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn--gold { color: #0b0b0b; background: linear-gradient(135deg, var(--gold), var(--gold-2) 52%, var(--gold-3)); box-shadow: 0 16px 36px rgba(217, 183, 78, 0.18); }
.btn--ghost { color: var(--gold-2); border-color: var(--line); background: rgba(255, 255, 255, 0.03); }
.hero { position: relative; min-height: calc(100vh - 68px); padding: 74px 0 84px; overflow: hidden; }
.hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 0.96fr) minmax(360px, 1.04fr); align-items: center; gap: 54px; z-index: 1; }
.eyebrow { display: inline-flex; margin-bottom: 22px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--gold-2); background: rgba(217, 183, 78, 0.08); font-size: 13px; font-weight: 800; }
h1,h2,h3,p { margin: 0; }
h1 { max-width: 12ch; font-size: clamp(46px, 7.2vw, 88px); line-height: 1.02; font-weight: 950; letter-spacing: 0; }
.gold-text { background: linear-gradient(135deg, var(--gold), var(--gold-2) 50%, var(--gold-3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__lead { max-width: 650px; margin-top: 28px; color: #c8c8c8; font-size: clamp(18px, 2vw, 24px); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 44px; max-width: 650px; }
.metric { min-height: 104px; padding: 18px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(255, 255, 255, 0.035); }
.metric strong { display: block; color: var(--gold-2); font-size: clamp(24px, 3vw, 34px); line-height: 1.1; }
.metric span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }
.preview { position: relative; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(180deg, rgba(217, 183, 78, 0.12), rgba(255, 255, 255, 0.02)); box-shadow: 0 24px 90px rgba(0, 0, 0, 0.45); }
.preview img { border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.07); background: #101010; }
.preview__badge { position: absolute; right: 28px; bottom: 28px; display: grid; gap: 2px; min-width: 176px; padding: 16px; border: 1px solid rgba(243, 217, 130, 0.38); border-radius: var(--radius); background: rgba(8, 8, 8, 0.88); backdrop-filter: blur(14px); }
.preview__badge strong { color: var(--gold-2); font-size: 26px; line-height: 1; }
.preview__badge span { color: var(--muted); font-size: 13px; }
section { padding: 86px 0; }
.band { background: rgba(255, 255, 255, 0.025); border-block: 1px solid var(--line-soft); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 36px; }
.section-head h2 { max-width: 760px; font-size: clamp(30px, 4vw, 52px); line-height: 1.12; font-weight: 950; }
.section-head p { max-width: 430px; color: var(--muted); }
.intro { padding: 34px; border: 1px solid var(--line); border-left: 5px solid var(--gold); border-radius: var(--radius); background: rgba(255, 255, 255, 0.035); color: #d8d8d8; font-size: 20px; }
.grid { display: grid; gap: 18px; }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { min-width: 0; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(255, 255, 255, 0.035); }
.use-card { display: flex; align-items: center; gap: 14px; min-height: 88px; padding: 18px; font-weight: 800; }
.iconbox { display: grid; width: 42px; height: 42px; flex: 0 0 auto; place-items: center; border-radius: var(--radius); color: var(--gold-2); background: rgba(217, 183, 78, 0.12); border: 1px solid var(--line); font-weight: 900; font-size: 14px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.list-card { padding: 28px; }
.list-card h3 { margin-bottom: 20px; font-size: 22px; }
.red { color: var(--red); }
.green { color: var(--green); }
.list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; color: #cecece; }
.list li { display: flex; align-items: flex-start; gap: 10px; }
.mark { display: inline-grid; width: 22px; height: 22px; flex: 0 0 auto; place-items: center; border-radius: 50%; font-size: 14px; line-height: 1; margin-top: 2px; }
.bad { color: #fff; background: rgba(239, 96, 96, 0.16); border: 1px solid rgba(239, 96, 96, 0.32); }
.good { color: #fff; background: rgba(55, 213, 138, 0.16); border: 1px solid rgba(55, 213, 138, 0.32); }
.feature { display: flex; gap: 16px; padding: 24px; }
.feature h3 { margin-bottom: 6px; color: var(--gold-2); font-size: 20px; }
.feature p { color: #bdbdbd; font-size: 15px; }
.highlight { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(217, 183, 78, 0.16), rgba(255, 255, 255, 0.025)); }
.highlight h3 { margin-bottom: 16px; font-size: 26px; }
.highlight p { color: #d4d4d4; }
.check-grid { display: grid; gap: 12px; margin-top: 26px; color: #e9e9e9; font-weight: 800; }
.profit-card { display: grid; align-content: center; min-height: 220px; padding: 32px; text-align: center; }
.profit-card strong { display: block; font-size: 42px; line-height: 1; }
.profit-card span { display: block; margin-top: 12px; color: var(--muted); }
.profit-card b { display: block; margin-top: 18px; color: var(--gold-2); font-size: 23px; }
.hot { border-color: rgba(217, 183, 78, 0.55); box-shadow: 0 22px 70px rgba(217, 183, 78, 0.11); }
.price-box { max-width: 680px; margin: 0 auto; padding: 42px; border: 2px solid rgba(217, 183, 78, 0.65); text-align: center; }
.price-label { display: inline-flex; margin-bottom: 20px; padding: 8px 14px; border-radius: 999px; color: #111; background: linear-gradient(135deg, var(--gold), var(--gold-2)); font-size: 14px; font-weight: 900; }
.price { font-size: clamp(58px, 8vw, 92px); font-weight: 950; line-height: 1; }
.price-box p { margin-top: 16px; color: #d5d5d5; font-size: 20px; font-weight: 800; }
.price-list { margin-top: 30px; text-align: left; }
.final-cta { position: relative; text-align: center; }
.final-cta h2 { font-size: clamp(36px, 5vw, 64px); line-height: 1.1; }
.final-box { max-width: 760px; margin: 30px auto 0; padding: 34px; }
.final-box p { color: #d0d0d0; font-size: 18px; margin-bottom: 28px; }
.footer { padding: 30px 0; border-top: 1px solid var(--line-soft); color: #737373; text-align: center; font-size: 14px; }
.modal { position: fixed; inset: 0; display: none; z-index: 50; align-items: center; justify-content: center; padding: 20px; background: rgba(0, 0, 0, 0.82); backdrop-filter: blur(12px); }
.modal.is-open { display: flex; }
.modal__panel { width: min(100%, 390px); padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #111; text-align: center; box-shadow: 0 28px 90px rgba(0, 0, 0, 0.55); }
.modal__panel h3 { color: var(--gold-2); font-size: 24px; }
.modal__panel p { color: var(--muted); margin-top: 12px; }
.wechat { color: #fff !important; font-weight: 900; }
.qr-img,.qr-placeholder { width: 210px; height: 210px; margin: 20px auto; border-radius: var(--radius); background: #fff; object-fit: cover; }
.qr-placeholder { display: grid; place-items: center; color: #111; border: 12px solid #fff; background: linear-gradient(90deg, #111 10px, transparent 10px) 0 0 / 28px 28px, linear-gradient(#111 10px, transparent 10px) 0 0 / 28px 28px, #fff; font-weight: 950; }
.modal__panel .btn { width: 100%; margin-top: 22px; }
@media (max-width: 980px) { .nav__links { display: none; } .hero { min-height: auto; } .hero__grid,.compare,.grid--2 { grid-template-columns: 1fr; } .preview { max-width: 680px; margin: 0 auto; } .section-head { display: block; } .section-head p { margin-top: 14px; } .grid--4,.grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .wrap { width: min(calc(100% - 28px), var(--max)); } .brand span { display: none; } .hero { padding: 48px 0 62px; } h1 { max-width: 10ch; } .hero__metrics,.grid--4,.grid--3 { grid-template-columns: 1fr; } .metric { min-height: auto; } .preview__badge { position: static; margin-top: 12px; } section { padding: 64px 0; } .intro,.price-box,.final-box,.highlight,.list-card { padding: 24px; } .feature { padding: 20px; } }