.qgycm-contact-tools {
  position: fixed;
  right: 18px;
  bottom: 88px;
  z-index: 900;
  display: grid;
  width: 168px;
  overflow: hidden;
  border: 1px solid rgba(18, 55, 74, .14);
  border-radius: 6px;
  box-shadow: 0 14px 35px rgba(18, 55, 74, .16);
  background: #fff;
}
.qgycm-contact-tools a,
.qgycm-contact-tools button {
  display: grid;
  gap: 2px;
  padding: 11px 13px;
  border: 0;
  border-bottom: 1px solid #e5ebee;
  color: #17364b;
  text-align: left;
  text-decoration: none;
  background: #fff;
  cursor: pointer;
}
.qgycm-contact-tools a:last-child { border-bottom: 0; }
.qgycm-contact-tools strong { font-size: 13px; }
.qgycm-contact-tools span { color: #657680; font-size: 11px; }
.qgycm-contact-tools a:hover,
.qgycm-contact-tools button:hover { background: #eef8f7; }

.qgycm-product-page { margin: 0; color: #18364a; background: #fff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; }
.qgycm-product-page * { box-sizing: border-box; }
.qgycm-product-container { width: min(calc(100% - 40px), 1160px); margin: 0 auto; }
.qgycm-product-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid #e1e8ec; background: rgba(255,255,255,.97); }
.qgycm-product-header .qgycm-product-container { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.qgycm-product-header a { color: #17364b; text-decoration: none; }
.qgycm-product-brand { font-size: 20px; font-weight: 800; }
.qgycm-product-nav { display: flex; gap: 22px; font-size: 13px; }
.qgycm-product-hero { min-height: 640px; position: relative; display: flex; align-items: center; overflow: hidden; background: #eff5f5; }
.qgycm-product-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.qgycm-product-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.98), rgba(255,255,255,.9) 42%, rgba(255,255,255,.1) 75%); }
.qgycm-product-hero-copy { position: relative; z-index: 1; max-width: 610px; padding: 80px 0; }
.qgycm-model { margin: 0 0 10px; color: #14858a; font-size: 13px; font-weight: 800; }
.qgycm-product-hero h1 { margin: 0; color: #12334b; font-size: clamp(42px, 6vw, 76px); line-height: 1.12; letter-spacing: 0; }
.qgycm-product-hero-copy > p:last-of-type { color: #526875; font-size: 17px; line-height: 1.8; }
.qgycm-product-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.qgycm-product-actions a { padding: 13px 20px; border: 1px solid #14858a; border-radius: 4px; color: #14858a; text-decoration: none; }
.qgycm-product-actions a:first-child { color: #fff; background: #14858a; }
.qgycm-section { padding: 88px 0; }
.qgycm-section:nth-child(even) { background: #f4f8f8; }
.qgycm-section h2 { margin: 0 0 30px; color: #12334b; font-size: 38px; letter-spacing: 0; }
.qgycm-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #dfe8ea; border: 1px solid #dfe8ea; }
.qgycm-feature-grid article { min-height: 170px; padding: 28px; background: #fff; }
.qgycm-feature-grid h3 { margin: 0 0 12px; font-size: 20px; }
.qgycm-feature-grid p { margin: 0; color: #61727c; line-height: 1.7; }
.qgycm-spec-table { width: 100%; border-collapse: collapse; }
.qgycm-spec-table th, .qgycm-spec-table td { padding: 16px; border-bottom: 1px solid #dce5e8; text-align: left; }
.qgycm-spec-table th { width: 34%; color: #506771; font-weight: 500; }
.qgycm-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.qgycm-steps li { padding: 25px; border-top: 3px solid #14858a; background: #fff; }
.qgycm-steps span { color: #14858a; font-size: 12px; font-weight: 800; }
.qgycm-steps h3 { margin: 18px 0 10px; }
.qgycm-steps p { color: #61727c; line-height: 1.7; }
.qgycm-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.qgycm-gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.qgycm-faq details { border-bottom: 1px solid #dce5e8; }
.qgycm-faq summary { padding: 20px 0; cursor: pointer; font-size: 18px; font-weight: 700; }
.qgycm-faq details p { max-width: 850px; margin: 0; padding: 0 0 22px; color: #61727c; line-height: 1.8; }
.qgycm-disclaimer { padding: 22px; border-left: 4px solid #14858a; background: #eef6f6; line-height: 1.8; }
.qgycm-product-contact { padding: 72px 0; color: #fff; background: #143951; }
.qgycm-product-contact .qgycm-product-container { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.qgycm-product-contact h2 { margin: 0 0 10px; font-size: 36px; }
.qgycm-product-contact p { margin: 0; color: #c6d6de; }
.qgycm-product-contact-links { display: grid; gap: 8px; }
.qgycm-product-contact-links a { color: #fff; font-size: 18px; text-decoration: none; }

@media (max-width: 760px) {
  .qgycm-contact-tools { right: 10px; bottom: 78px; width: 148px; }
  .qgycm-product-nav { display: none; }
  .qgycm-product-hero { min-height: 680px; align-items: end; }
  .qgycm-product-hero::after { background: linear-gradient(0deg, rgba(255,255,255,.98), rgba(255,255,255,.9) 55%, rgba(255,255,255,.12)); }
  .qgycm-product-hero-copy { padding: 260px 0 50px; }
  .qgycm-product-hero h1 { font-size: 43px; }
  .qgycm-section { padding: 62px 0; }
  .qgycm-section h2 { font-size: 30px; }
  .qgycm-feature-grid, .qgycm-steps, .qgycm-gallery { grid-template-columns: 1fr; }
  .qgycm-product-contact .qgycm-product-container { align-items: flex-start; flex-direction: column; }
}