:root {
  --red: #E53935;
  --red-dark: #B71C1C;
  --orange: #FF6D00;
  --gold: #B8860B;
  --gold-light: #FFF6DC;
  --text: #1A1A1A;
  --muted: #757575;
  --bg: #FFF8F2;
  --card: #FFFFFF;
  --green: #2E7D32;
}
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { font-family: "PingFang SC","Microsoft YaHei",sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 16px; }
.wrap { max-width: 480px; margin: 0 auto; padding: 0 0 90px; }

/* 顶部导航 */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(135deg, #17171b 0%, #2a2a33 100%);
  border-bottom: 2px solid var(--red);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 18px rgba(0,0,0,.22);
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-brand .brand-badge {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  border-radius: 9px;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(229,57,53,.45);
}
.nav-brand .brand-text {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  padding: 7px 12px;
  border-radius: 999px;
  white-space: nowrap;
  transition: all .2s ease;
}
.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,.1);
  transform: translateY(-1px);
}
.nav-links a.cur {
  color: #fff;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  box-shadow: 0 3px 10px rgba(229,57,53,.4);
}

/* Banner */
.banner { background: linear-gradient(135deg, var(--red), var(--orange)); color: #fff; padding: 28px 20px 32px; text-align: center; position: relative; overflow: hidden; }
.banner::after { content: "当天交片"; position: absolute; top: 14px; right: -28px; background: #000; color: #fff; font-size: 11px; padding: 2px 30px; transform: rotate(45deg); font-weight: 700; letter-spacing: 1px; }
.banner h1 { font-size: 24px; margin-bottom: 6px; }
.banner h1 em { font-style: normal; background: #000; color: #FFD54F; padding: 0 6px; border-radius: 4px; }
.banner .price { font-size: 14px; opacity: .95; }
.banner .price b { font-size: 32px; color: #FFD54F; }

/* 痛点 */
.pains { padding: 18px 16px 8px; }
.pain-title { font-size: 17px; font-weight: 800; color: var(--red); margin-bottom: 12px; text-align: center; }
.pain { background: var(--card); border: 1px solid #FFE0DC; border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; display: flex; gap: 12px; align-items: flex-start; }
.pain .emo { font-size: 24px; flex-shrink: 0; line-height: 1.2; }
.pain .pct { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.pain .pcd { font-size: 12.5px; color: var(--muted); }

/* 流程 */
.section { background: var(--card); margin: 14px 12px; border-radius: 14px; padding: 20px 16px; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.section h2 { font-size: 18px; font-weight: 800; color: var(--red); margin-bottom: 14px; text-align: center; }
.section .h2-sub { font-size: 12.5px; color: var(--muted); text-align: center; margin: -10px 0 14px; }

.flow3 { display: grid; grid-template-columns: 1fr 24px 1fr 24px 1fr; gap: 4px; align-items: center; margin-top: 8px; }
.f3 { text-align: center; }
.f3 .ico { font-size: 28px; margin-bottom: 4px; }
.f3 .t { font-size: 12.5px; font-weight: 700; line-height: 1.4; }
.f3 .d { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.farrow { text-align: center; color: var(--red); font-size: 20px; font-weight: 800; }

/* 手机 mockup */
.phone-mock { max-width: 220px; margin: 10px auto 8px; background: #111; border-radius: 18px; padding: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.15); position: relative; }
.phone-mock img { width: 100%; border-radius: 12px; display: block; }
.play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 52px; height: 52px; background: rgba(0,0,0,.55); border: 2px solid #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; }
.phone-mock video { width: 100%; border-radius: 12px; display: none; object-fit: cover; background: #000; }
.phone-mock.video-on video { display: block; }
.phone-mock.video-on img,
.phone-mock.video-on .play-btn { display: none; }
.caption { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 8px; }
.caption b { color: var(--red); }

/* 视频墙 */
.wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; margin-top: 12px; }
.wall img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: 4px; display: block; }

/* 场景 chip */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.chip { background: #FFF6EE; color: var(--orange); border: 1px solid #FFD9B8; font-size: 12.5px; padding: 5px 12px; border-radius: 999px; font-weight: 700; }

/* 定价 */
.plans { display: grid; gap: 10px; }
.plan { border: 1.5px solid #EEE; border-radius: 12px; padding: 14px 14px 12px; position: relative; }
.plan.best { border-color: var(--red); background: linear-gradient(180deg, #FFF6F4 0%, #fff 60%); }
.plan .tag-hot { position: absolute; top: -10px; right: 12px; background: var(--red); color: #fff; font-size: 11px; padding: 2px 10px; border-radius: 999px; font-weight: 700; }
.plan .pn { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.plan .pp { font-size: 26px; color: var(--red); font-weight: 800; }
.plan .pp small { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 4px; }
.plan ul { list-style: none; margin-top: 6px; }
.plan li { font-size: 13px; color: #444; padding: 2px 0 2px 18px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 2px; color: var(--green); font-weight: 800; }
.script-add { background: #FFF6EE; border-radius: 10px; padding: 10px 14px; font-size: 13px; margin-top: 10px; color: #5D4037; }
.script-add b { color: var(--orange); }

/* 承诺 */
.promises { background: #FFF6F4; border-radius: 12px; padding: 14px 16px; }
.prom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; margin-top: 6px; }
.prom { display: flex; gap: 6px; align-items: center; font-size: 13px; font-weight: 700; }
.prom::before { content: "✓"; color: var(--green); font-weight: 800; }

/* 小字 */
.small { font-size: 12px; color: var(--muted); line-height: 1.8; background: #F5F5F5; border-radius: 8px; padding: 12px 14px; margin-top: 12px; }

/* 金标衔接 */
.cross { background: var(--gold-light); border: 1px solid #E8C766; border-radius: 12px; padding: 14px 16px; }
.cross h3 { font-size: 15px; color: var(--gold); margin-bottom: 8px; }
.cross p { font-size: 13px; color: #5D4037; margin-bottom: 6px; }
.cross a { color: var(--gold); text-decoration: none; font-weight: 700; display: inline-block; margin-top: 2px; }

/* 联系区 */
.contact { background: var(--card); margin: 14px 12px; border-radius: 14px; padding: 20px 16px; text-align: center; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.contact h2 { font-size: 18px; font-weight: 800; margin-bottom: 12px; }
.wx-box { background: #FAFAFA; border-radius: 10px; padding: 14px; margin-bottom: 12px; }
.wx-box img.wx-img { width: 140px; height: 140px; object-fit: contain; margin-bottom: 8px; background: #fff; border: 4px solid #fff; box-shadow: 0 1px 3px rgba(0,0,0,.08); padding: 4px; border-radius: 6px; }
.wx-box .info { font-size: 13.5px; line-height: 1.9; }
.contact-rows { font-size: 13.5px; line-height: 2; }
.contact-rows strong { color: var(--red); }

/* 浮动 CTA */
.float-cta { position: fixed; bottom: 12px; left: 0; right: 0; max-width: 480px; margin: 0 auto; padding: 0 12px; z-index: 10; }
.float-cta a { display: block; text-align: center; background: linear-gradient(135deg, var(--red), var(--orange)); color: #fff; text-decoration: none; padding: 14px 20px; border-radius: 999px; font-size: 16px; font-weight: 800; box-shadow: 0 6px 20px rgba(229,57,53,.4); }

/* ===== 返回顶部浮动按钮 ===== */
.back-top {
  position: fixed;
  right: 16px;
  bottom: 64px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px rgba(229,57,53,.4);
  font-size: 14px;
  line-height: 46px;
  text-align: center;
  cursor: pointer;
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:active { background: var(--red-dark); }

/* ===== 转化打磨：Banner CTA ===== */
.banner-cta { margin-top: 18px; }
.banner-cta a {
  display: inline-block;
  background: #fff;
  color: var(--red);
  font-weight: 800;
  font-size: 15px;
  padding: 11px 28px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
/* ===== 转化打磨：联系区双按钮 ===== */
.cta-row { display: flex; gap: 10px; margin-bottom: 14px; }
.cta-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 12px;
  padding: 13px 8px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}
.cta-tel { background: linear-gradient(135deg, var(--red), var(--red-dark)); color: #fff; box-shadow: 0 4px 14px rgba(229,57,53,.35); }
.cta-wx { background: #09bb07; color: #fff; box-shadow: 0 4px 14px rgba(9,187,7,.3); }
.price-link {
  display: inline-block;
  border: 1.5px solid var(--red);
  color: var(--red);
  border-radius: 999px;
  padding: 9px 22px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  background: #fff;
}
.copy-btn {
  border: 1px solid var(--red);
  color: var(--red);
  background: #fff;
  font-size: 12px;
  border-radius: 6px;
  padding: 1px 10px;
  margin-left: 6px;
  cursor: pointer;
}
.copy-ok { color: #09bb07; border-color: #09bb07; }
/* ===== 转化打磨：客户反馈卡 ===== */
.feedback {
  background: #fffaf0;
  border: 1.5px solid #f5d9b8;
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 16px;
  text-align: left;
}
.feedback .fb-badge {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.feedback .fb-quote { font-size: 14px; line-height: 1.8; color: #444; }
.feedback .fb-quote::before { content: "\201C"; color: var(--red); font-size: 20px; font-weight: 900; }
.feedback .fb-quote::after { content: "\201D"; color: var(--red); font-size: 20px; font-weight: 900; }
.feedback .fb-who { font-size: 12px; color: var(--muted); margin-top: 6px; text-align: right; }

/* ===== 多语言口播 ===== */
.chip.hot { background: var(--red); color: #fff; border-color: var(--red); }
.lang-price { margin-top: 12px; border: 1.5px solid #F3E3D8; border-radius: 12px; overflow: hidden; background: #FFFDFB; }
.lang-price .lp-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 14px; font-size: 13px; }
.lang-price .lp-row + .lp-row { border-top: 1px dashed #F0E0D4; }
.lang-price .lp-row span { color: #5D4037; }
.lang-price .lp-row b { color: var(--red); font-size: 15px; }