:root {
  --bg: #0c0c0e;
  --bg-2: #15151a;
  --card: #181820;
  --text: #ececf1;
  --muted: #9a9aa5;
  --accent: #e7b24c;
  --accent-2: #f0c674;
  --border: #2a2a32;
  --radius: 16px;
  --maxw: 1040px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(12, 12, 14, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .5px; }
.nav__word { font-size: 1.1rem; }
.nav__word .amp, .hero__title .amp, .footer__brand .amp { color: var(--accent); }
.nav__links { display: flex; gap: 22px; font-size: .95rem; color: var(--muted); }
.nav__links a:hover { color: var(--text); }

/* ---------- HERO ---------- */
.hero {
  text-align: center;
  padding: 84px 24px 72px;
  background:
    radial-gradient(900px 420px at 50% -10%, rgba(231, 178, 76, 0.16), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}
.hero__mark { margin-bottom: 18px; filter: drop-shadow(0 6px 24px rgba(231,178,76,.25)); }
.hero__title {
  font-size: clamp(2.8rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.05;
}
.hero__tag { margin-top: 14px; font-size: clamp(1.1rem, 2.6vw, 1.5rem); color: var(--text); font-weight: 600; }
.hero__tag .plus { color: var(--accent); margin: 0 6px; }
.hero__sub { margin: 16px auto 0; max-width: 640px; color: var(--muted); font-size: 1.02rem; }
.hero__cta { margin-top: 32px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  transition: transform .12s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: #1a1300; }
.btn--primary:hover { background: var(--accent-2); }
.btn--ghost { border: 1px solid var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }

/* ---------- SECTIONS ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 72px 24px; border-bottom: 1px solid var(--border); }
.section__title { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; margin-bottom: 18px; }
.section__title::after { content: ""; display: block; width: 46px; height: 3px; background: var(--accent); margin-top: 12px; border-radius: 2px; }
.section__intro { color: var(--muted); margin-bottom: 28px; }
.lead { font-size: 1.08rem; margin-bottom: 16px; }
.lead.muted { color: var(--muted); }
.lead strong { color: var(--accent-2); }

/* ---------- CARDS ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: border-color .2s ease, transform .12s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card--soon { opacity: .82; }
.card__tag { align-self: flex-start; font-size: .76rem; color: var(--accent); border: 1px solid var(--border); padding: 3px 10px; border-radius: 999px; margin-bottom: 12px; }
.card__title { font-size: 1.22rem; margin-bottom: 10px; }
.card__desc { color: var(--muted); font-size: .96rem; flex: 1; margin-bottom: 16px; }
.card__link { color: var(--accent); font-weight: 600; font-size: .95rem; }
.card__link:hover { color: var(--accent-2); }
.card__link--disabled { color: var(--muted); cursor: default; }
.card__links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.card__links a { font-size: .82rem; color: var(--accent); border: 1px solid var(--border); padding: 4px 12px; border-radius: 999px; transition: border-color .2s ease, color .2s ease; }
.card__links a:hover { border-color: var(--accent); color: var(--accent-2); }

/* ---------- VOICE ---------- */
.section--voice { background: linear-gradient(180deg, var(--bg), var(--bg-2)); }
.quote {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 24px;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  font-style: italic;
  color: var(--text);
  max-width: 760px;
}
.quote p { margin-bottom: 14px; }
.quote cite { display: block; margin-top: 8px; font-style: normal; font-size: .95rem; color: var(--accent); font-weight: 600; }

/* ---------- FOLLOW ---------- */
.follow { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 8px; }
.follow__card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; text-align: center; }
.follow__card h3 { font-size: 1.2rem; margin-bottom: 10px; color: var(--accent-2); }
.follow__card p { color: var(--muted); margin-bottom: 18px; }
.follow__card .btn { margin-top: auto; }
.follow__qr-placeholder {
  width: 160px; height: 160px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 1px dashed var(--border); border-radius: 12px; color: var(--muted);
  font-size: .85rem; text-align: center; line-height: 1.5;
}
.follow__qr-placeholder small { color: #6b6b74; margin-top: 6px; }
.follow__qr { border-radius: 12px; border: 1px solid var(--border); }

/* ---------- FOOTER ---------- */
.footer { max-width: var(--maxw); margin: 0 auto; padding: 40px 24px 56px; text-align: center; color: var(--muted); }
.footer__brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.footer__copy { font-size: .9rem; }
.footer__privacy { font-size: .82rem; margin-top: 8px; color: #6b6b74; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 640px) {
  .nav__links { gap: 14px; font-size: .85rem; }
  .section { padding: 56px 20px; }
  .hero { padding: 64px 20px 56px; }
}