:root {
  --bg: #0c0a08;
  --bg-2: #14100b;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-line: rgba(231, 185, 94, 0.16);
  --gold: #e7b95e;
  --gold-strong: #f2cd86;
  --gold-deep: #b8852f;
  --text: #f6f1e8;
  --muted: #b3a68f;
  --muted-2: #8a7e6c;
  --radius: 18px;
  --maxw: 1160px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

/* hidden 属性必须始终生效，避免 display:flex 等规则把它覆盖掉 */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }

::selection { background: rgba(231, 185, 94, 0.32); color: #fff; }

/* ---------- 背景装饰 ---------- */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 520px at 78% -8%, rgba(231, 185, 94, 0.20), transparent 60%),
    radial-gradient(680px 520px at 8% 12%, rgba(184, 133, 47, 0.14), transparent 62%),
    radial-gradient(900px 700px at 50% 120%, rgba(120, 80, 30, 0.18), transparent 65%);
}
.bg-noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { position: relative; z-index: 1; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

.gold { color: var(--gold); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(12, 10, 8, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(231, 185, 94, 0.14);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-icon {
  width: 34px; height: 34px;
  border-radius: 9px;
  box-shadow: 0 6px 16px rgba(231, 185, 94, 0.28);
}
.brand-name { font-size: 18px; letter-spacing: 0.5px; }
.nav-links {
  margin-left: auto;
  display: flex;
  gap: 30px;
  font-size: 15px;
  color: var(--muted);
}
.nav-links a { transition: color 0.2s ease; position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: -5px;
  width: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-deep));
  transition: width 0.25s ease;
}
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px; height: 42px;
  border: 1px solid var(--panel-line);
  background: var(--panel);
  border-radius: 12px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.nav-toggle span {
  width: 18px; height: 2px; border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 22px 18px;
  background: rgba(12, 10, 8, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(231, 185, 94, 0.14);
}
.nav-mobile a {
  padding: 12px 8px;
  border-radius: 10px;
  color: var(--muted);
}
.nav-mobile a:hover { background: var(--panel); color: var(--text); }
.nav-mobile.show { display: flex; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 13px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(140deg, var(--gold-strong), var(--gold-deep));
  color: #221a0d;
  box-shadow: 0 12px 30px rgba(231, 185, 94, 0.30);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(231, 185, 94, 0.42); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--panel-line);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: 14px; border-radius: 11px; }
.btn-lg { padding: 17px 40px; font-size: 17px; border-radius: 14px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 140px 0 40px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
}
.pill {
  display: inline-block;
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--gold-strong);
  background: rgba(231, 185, 94, 0.10);
  border: 1px solid rgba(231, 185, 94, 0.28);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.5px;
  font-weight: 800;
  background: linear-gradient(180deg, #fff 30%, #d9c9a8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 .gold {
  background: linear-gradient(140deg, var(--gold-strong), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin: 22px 0 30px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13.5px;
  color: var(--muted-2);
}
.meta-badge {
  color: var(--gold);
  border: 1px solid rgba(231, 185, 94, 0.25);
  background: rgba(231, 185, 94, 0.06);
  padding: 4px 11px;
  border-radius: 999px;
}
.meta-sep { width: 1px; height: 14px; background: rgba(255, 255, 255, 0.12); }

/* ---------- 手机模型 ---------- */
.hero-visual { display: flex; justify-content: center; position: relative; }
.phone {
  width: 260px;
  height: 530px;
  border-radius: 40px;
  background: linear-gradient(160deg, #2a2119, #14100b);
  border: 1px solid rgba(231, 185, 94, 0.22);
  box-shadow: var(--shadow), inset 0 0 0 6px #0c0a08;
  position: relative;
  padding: 12px;
}
.phone-notch {
  position: absolute;
  top: 16px; left: 50%;
  transform: translateX(-50%);
  width: 92px; height: 20px;
  background: #0c0a08;
  border-radius: 0 0 14px 14px;
  z-index: 3;
}
.phone-screen {
  width: 100%; height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background: #0f0c09;
  display: flex;
  flex-direction: column;
}
.poster {
  flex: 1;
  padding: 40px 18px 18px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    radial-gradient(120% 80% at 20% 0%, rgba(231, 185, 94, 0.35), transparent 55%),
    linear-gradient(160deg, #3a2a16 0%, #1a1208 80%);
}
.poster-grad {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.6));
}
.poster-tag {
  position: absolute;
  top: 46px; left: 18px;
  font-size: 11px;
  color: #221a0d;
  background: var(--gold);
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 700;
}
.poster-play {
  position: absolute;
  top: 42%; left: 50%;
  transform: translate(-50%, -50%);
  width: 62px; height: 62px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(2px);
  animation: pulse 2.6s ease-in-out infinite;
}
.poster-play span {
  width: 0; height: 0;
  border-left: 16px solid #fff;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 4px;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.22); }
  50% { box-shadow: 0 0 0 14px rgba(255, 255, 255, 0); }
}
.poster-title {
  position: relative;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}
.poster-bar {
  position: relative;
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.18);
  overflow: hidden;
  margin-bottom: 12px;
}
.poster-bar span {
  display: block; width: 38%; height: 100%;
  background: linear-gradient(90deg, var(--gold-strong), var(--gold-deep));
  border-radius: 4px;
}
.poster-chips { display: flex; gap: 7px; position: relative; }
.poster-chips span {
  font-size: 10.5px;
  padding: 4px 9px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: #e9dfcd;
}
.phone-tabs {
  display: flex;
  justify-content: space-around;
  padding: 12px 6px 16px;
  font-size: 11.5px;
  color: var(--muted-2);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.phone-tabs .on { color: var(--gold); font-weight: 700; }

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 15px;
  border-radius: 14px;
  background: rgba(24, 19, 13, 0.82);
  border: 1px solid rgba(231, 185, 94, 0.22);
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
  animation: floaty 5s ease-in-out infinite;
}
.float-card b { display: block; font-size: 13px; }
.float-card small { font-size: 11px; color: var(--muted-2); }
.fc-icon { font-size: 20px; }
.fc1 { top: 60px; left: -6px; animation-delay: 0.3s; }
.fc2 { bottom: 80px; right: -10px; animation-delay: 1.2s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------- 走马灯 ---------- */
.marquee {
  margin-top: 50px;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 42px;
  width: max-content;
  animation: scroll-x 26s linear infinite;
  white-space: nowrap;
}
.marquee-track span {
  font-size: 19px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.16);
  letter-spacing: 2px;
}
@keyframes scroll-x {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 通用区块 ---------- */
.section { padding: 92px 0; position: relative; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.section-head p { margin-top: 14px; color: var(--muted); font-size: 16px; }

/* ---------- 功能卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  padding: 30px 26px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(231, 185, 94, 0.35);
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.4);
}
.card-ico {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card-ico svg { width: 26px; height: 26px; }
.ico-gold { background: rgba(231, 185, 94, 0.16); color: var(--gold); }
.ico-blue { background: rgba(96, 165, 250, 0.15); color: #7fb0ff; }
.ico-green { background: rgba(52, 211, 153, 0.15); color: #4fddb0; }
.ico-purple { background: rgba(167, 139, 250, 0.15); color: #b39bff; }
.ico-orange { background: rgba(251, 146, 60, 0.15); color: #ffab6b; }
.ico-cyan { background: rgba(34, 211, 238, 0.15); color: #5fd8ea; }
.card h3 { font-size: 19px; margin-bottom: 9px; }
.card p { color: var(--muted); font-size: 14.5px; }

/* ---------- 展示区 ---------- */
.showcase { background: linear-gradient(180deg, transparent, rgba(231, 185, 94, 0.03), transparent); }
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 50px;
}
.showcase-copy h2 { font-size: clamp(26px, 3.2vw, 40px); line-height: 1.2; font-weight: 800; }
.showcase-copy > p { margin: 18px 0 24px; color: var(--muted); }
.check-list { list-style: none; display: grid; gap: 12px; margin-bottom: 26px; }
.check-list li { display: flex; align-items: center; gap: 11px; color: #e6ddcc; font-size: 15px; }
.check-list i {
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(231, 185, 94, 0.16);
  position: relative; flex: none;
}
.check-list i::after {
  content: "";
  position: absolute; left: 6px; top: 5px;
  width: 5px; height: 9px;
  border: solid var(--gold);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.text-link { color: var(--gold); font-weight: 700; }
.text-link:hover { color: var(--gold-strong); }

.showcase-visual { display: flex; justify-content: center; position: relative; }
.glow-ring {
  position: absolute;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 185, 94, 0.28), transparent 62%);
  filter: blur(18px);
  z-index: 0;
}
.phone-2 { width: 240px; height: 500px; z-index: 1; }
.feed { padding: 44px 14px 14px; display: flex; flex-direction: column; gap: 11px; }
.feed-item {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 12px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.feed-badge {
  width: 24px; height: 24px; flex: none;
  border-radius: 7px;
  background: rgba(231, 185, 94, 0.16);
  color: var(--gold);
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.feed-item b { display: block; font-size: 13.5px; }
.feed-item small { font-size: 11px; color: var(--muted-2); }
.feed-play { margin-left: auto; color: var(--gold); font-size: 12px; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.025);
  position: relative;
  overflow: hidden;
}
.step-no {
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(160deg, rgba(231, 185, 94, 0.55), rgba(231, 185, 94, 0.06));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}
.step h4 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* ---------- 下载 ---------- */
.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 42px 44px;
  border-radius: 26px;
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(231, 185, 94, 0.22), transparent 55%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(231, 185, 94, 0.28);
  box-shadow: var(--shadow);
  flex-wrap: wrap;
}
.dl-left { display: flex; align-items: center; gap: 22px; }
.dl-icon {
  width: 84px; height: 84px;
  border-radius: 22px;
  box-shadow: 0 14px 34px rgba(231, 185, 94, 0.30);
}
.download-card h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; }
.dl-sub { color: var(--muted); margin-top: 6px; }
.dl-meta { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.dl-chip {
  font-size: 12.5px;
  color: var(--gold-strong);
  background: rgba(231, 185, 94, 0.10);
  border: 1px solid rgba(231, 185, 94, 0.24);
  padding: 4px 12px;
  border-radius: 999px;
}
.dl-right { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.dl-tip { font-size: 13px; color: var(--muted-2); }
.update-log {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--muted);
  text-align: center;
}

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; }
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.faq-item[open] { border-color: rgba(231, 185, 94, 0.32); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 19px 22px;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--gold);
  transition: transform 0.3s ease;
  flex: none;
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}
.faq-body a { color: var(--gold); }

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 52px 0 30px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.4));
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-brand { display: flex; gap: 14px; align-items: center; }
.footer-brand img { width: 46px; height: 46px; border-radius: 12px; }
.footer-brand b { font-size: 17px; }
.footer-brand p { color: var(--muted-2); font-size: 13.5px; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 22px;
  color: var(--muted-2);
  font-size: 13px;
}

/* ---------- 弹窗 ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-mask { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(4px); }
.modal-box {
  position: relative;
  width: min(680px, 100%);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  background: #17120d;
  border: 1px solid rgba(231, 185, 94, 0.22);
  box-shadow: var(--shadow);
  animation: modal-in 0.28s ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.modal-head h3 { font-size: 17px; }
.modal-close {
  width: 34px; height: 34px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--panel);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.modal-close:hover { background: rgba(255, 255, 255, 0.1); }
.modal-body {
  padding: 22px;
  overflow-y: auto;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}
.modal-body h1, .modal-body h2 {
  color: var(--text);
  font-size: 19px;
  margin: 18px 0 10px;
}
.modal-body h1:first-child, .modal-body h2:first-child { margin-top: 0; }
.modal-body p { margin: 8px 0; }
.modal-body ul, .modal-body ol { padding-left: 20px; margin: 8px 0; }
.modal-body a { color: var(--gold); }
.modal-body img { border-radius: 10px; }

/* ---------- 微信引导 ---------- */
.wx-guide { position: fixed; inset: 0; z-index: 300; background: rgba(0, 0, 0, 0.82); display: flex; align-items: center; justify-content: center; padding: 24px; }
.wx-guide-card {
  max-width: 340px;
  text-align: center;
  background: #17120d;
  border: 1px solid rgba(231, 185, 94, 0.3);
  border-radius: 18px;
  padding: 30px 26px;
}
.wx-arrow { font-size: 46px; color: var(--gold); line-height: 1; margin-bottom: 10px; }
.wx-guide-card h3 { font-size: 19px; margin-bottom: 12px; }
.wx-guide-card p { color: var(--muted); font-size: 14px; line-height: 1.8; margin-bottom: 20px; }

/* ---------- 滚动出现动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav .btn-sm { display: none; }
  .hero { padding-top: 120px; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-copy { text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-meta { justify-content: center; }
  .hero-visual { order: 2; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .showcase-grid { grid-template-columns: 1fr; gap: 44px; }
  .showcase-copy { text-align: center; }
  .check-list { max-width: 320px; margin-left: auto; margin-right: auto; }
  .steps { grid-template-columns: 1fr; }
  .download-card { flex-direction: column; align-items: center; text-align: center; padding: 34px 24px; }
  .dl-left { flex-direction: column; text-align: center; }
  .dl-meta { justify-content: center; }
  .dl-right { align-items: center; }
  .footer-grid { flex-direction: column; }
}

@media (max-width: 620px) {
  .cards { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .hero-actions .btn { flex: 1; }
  .phone { width: 232px; height: 476px; }
  .phone-2 { width: 216px; height: 452px; }
  .fc1 { left: -2px; }
  .fc2 { right: -2px; }
  .btn-lg { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}