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

:root {
  --coral: #FF6B4A;
  --coral-dark: #F2502D;
  --coral-light: #FFF1EC;
  --text-dark: #262626;
  --text-gray: #6B6B6B;
  --border: #F0E4DE;
}

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background: #FFFDFB;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--coral);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.nav { display: flex; gap: 32px; font-size: 15px; color: var(--text-gray); }
.nav a:hover { color: var(--coral); }

.btn {
  display: inline-block;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: opacity .15s ease;
}
.btn:hover { opacity: .88; }

.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 8px 20px rgba(255, 107, 74, 0.28); }
.btn-ghost { background: #fff; color: var(--coral); border: 1.5px solid var(--coral); }
.btn-ghost:hover { background: var(--coral-light); opacity: 1; }
.btn-nav { padding: 10px 22px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 17px; border-radius: 10px; }

/* Hero（白底，左文字 + 右手机画面） */
.hero {
  background: #FFFFFF;
  padding: 72px 0 52px;
  color: var(--text-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero-inner { text-align: left; }

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.24;
  margin-bottom: 20px;
  color: var(--text-dark);
}
.hero h1 .hl { color: var(--coral); }

.hero-sub {
  max-width: 520px;
  margin: 0;
  font-size: 17px;
  color: var(--text-gray);
}

.hero-cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

/* 头图手机画面（视频号直播带货） */
.hero-visual { display: flex; justify-content: center; position: relative; }
.hero-visual::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, #FFE3D6 0%, rgba(255,227,214,0) 70%);
  z-index: 0;
}
.phone {
  position: relative;
  z-index: 1;
  width: 264px;
  background: #15171A;
  border-radius: 38px;
  padding: 12px;
  box-shadow: 0 30px 60px rgba(20, 20, 30, 0.22);
}
.phone-screen {
  background: #fff;
  border-radius: 28px;
  overflow: hidden;
  height: 470px;
  display: flex;
  flex-direction: column;
}
.live-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 14px 10px;
  font-size: 12px;
}
.live-badge { background: var(--coral-dark); color: #fff; padding: 4px 11px; border-radius: 999px; font-weight: 700; }
.live-watch { color: var(--text-gray); }
.live-main {
  flex: 1;
  background: linear-gradient(160deg, #FF9456 0%, #F2502D 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  gap: 10px;
}
.live-emoji { font-size: 60px; }
.live-title { font-size: 18px; font-weight: 800; letter-spacing: 1px; }
.live-tip { font-size: 12.5px; color: rgba(255,255,255,0.9); }
.live-product { display: flex; align-items: center; gap: 12px; padding: 14px; }
.lp-thumb { width: 48px; height: 48px; border-radius: 12px; background: var(--coral-light); display: flex; align-items: center; justify-content: center; font-size: 24px; flex: none; }
.lp-info { flex: 1; }
.lp-name { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.lp-price { color: var(--coral-dark); font-weight: 800; font-size: 18px; }
.lp-price span { font-size: 12px; font-weight: 600; }
.lp-buy { background: var(--coral); color: #fff; font-size: 13px; font-weight: 700; padding: 9px 17px; border-radius: 999px; flex: none; }

/* 悬浮信息卡 */
.hero-stats-wrap { background: #FFFFFF; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(20, 30, 40, 0.07);
  padding: 24px 34px;
  margin-top: 30px;
  position: relative;
  z-index: 5;
}
.stat { flex: 1; text-align: center; }
.stat-label { font-size: 13px; color: var(--text-gray); margin-bottom: 6px; }
.stat-value { font-size: 19px; font-weight: 800; color: var(--text-dark); }
.stat-divider { width: 1px; height: 42px; background: var(--border); flex: none; }
.stat-btn { padding: 14px 38px; font-size: 16px; border-radius: 10px; white-space: nowrap; flex: none; }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--coral-light); }

.section-title {
  font-size: 28px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 14px;
}

.section-desc {
  max-width: 700px;
  margin: 0 auto 44px;
  text-align: center;
  color: var(--text-gray);
  font-size: 15px;
}

/* Intro grid */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.intro-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  text-align: center;
}

.intro-ic {
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: var(--coral-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 27px;
}
.intro-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--coral-dark); }
.intro-card p { font-size: 14px; color: var(--text-gray); }
.section-desc strong { color: var(--text-dark); }

/* Process steps */
.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.step-card {
  background: #fff;
  border-radius: 14px;
  padding: 30px 20px;
  width: 210px;
  text-align: center;
  box-shadow: 0 4px 18px rgba(255, 107, 74, 0.08);
}

.step-num {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card h3 { font-size: 16px; margin-bottom: 8px; }
.step-card p { font-size: 13px; color: var(--text-gray); }

.step-arrow { font-size: 24px; color: var(--coral); }

.process-cta { text-align: center; margin-top: 44px; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.faq-q {
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-q::after {
  content: "+";
  color: var(--coral);
  font-size: 22px;
  font-weight: 400;
  flex: none;
  transition: transform .2s;
}
.faq-item.open .faq-q::after { content: "−"; }
.faq-a {
  color: var(--text-gray);
  font-size: 14px;
  margin-top: 10px;
  display: none;
}
.faq-item.open .faq-a { display: block; }

/* Footer */
.site-footer {
  background: #2A2320;
  color: #C9BDB6;
  text-align: center;
  padding: 28px 0;
  font-size: 13px;
}

@media (max-width: 768px) {
  .nav { display: none; }
  .hero { padding: 48px 0 36px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-inner { text-align: center; }
  .hero h1 { font-size: 32px; }
  .hero-sub { margin: 0 auto; }
  .hero-cta { justify-content: center; }
  .intro-grid { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .hero-stats {
    flex-direction: column;
    gap: 18px;
    padding: 24px;
  }
  .stat-divider { display: none; }
  .stat-btn { width: 100%; }
}