body.qifeng-premium-v5 {
  --qf-v5-ink: #10243a;
  --qf-v5-soft-ink: #4d6175;
  --qf-v5-line: rgba(16, 36, 58, 0.12);
  --qf-v5-panel: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 252, 0.98));
  --qf-v5-accent: #0f4c81;
  --qf-v5-accent-soft: #e9f3fb;
  --qf-v5-success: #0e6d57;
}

body.qifeng-premium-v5 #rfq,
body.qifeng-premium-v5 #language-preparation {
  scroll-margin-top: 8rem;
}

body.qifeng-premium-v5 .qf-language-notice {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(16, 36, 58, 0.08);
  background: #f6f8fb;
  color: var(--qf-v5-ink);
}

body.qifeng-premium-v5 .qf-language-notice .container {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  padding: 0.85rem 0;
  font-size: 0.95rem;
}

body.qifeng-premium-v5 .qf-language-switcher .is-pending-language {
  opacity: 0.64;
}

body.qifeng-premium-v5 .qf-mobile-rfq-bar {
  position: fixed;
  z-index: 80;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(10, 20, 34, 0.92);
  box-shadow: 0 22px 48px rgba(7, 18, 30, 0.28);
  backdrop-filter: blur(12px);
}

body.qifeng-premium-v5 .qf-mobile-rfq-bar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
}

body.qifeng-premium-v5 .qf-mobile-rfq-bar a:first-child {
  background: linear-gradient(135deg, #1a6fb2, #0f4c81);
}

body.qifeng-premium-v5 .qf-mobile-rfq-bar a:last-child {
  background: rgba(255, 255, 255, 0.12);
}

body.qifeng-premium-v5 .qf-filter-bar--sticky {
  position: sticky;
  top: 6.25rem;
  z-index: 8;
  padding: 0.9rem;
  border: 1px solid var(--qf-v5-line);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 40px rgba(16, 36, 58, 0.08);
}

body.qifeng-premium-v5 .qf-filter-pill:hover,
body.qifeng-premium-v5 .qf-category-strip__card:hover,
body.qifeng-premium-v5 .product-card:hover,
body.qifeng-premium-v5 .category-card:hover {
  transform: translateY(-3px);
}

body.qifeng-premium-v5 .qf-product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
}

body.qifeng-premium-v5 .qf-product-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid rgba(15, 76, 129, 0.16);
  border-radius: 999px;
  background: var(--qf-v5-accent-soft);
  color: var(--qf-v5-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

body.qifeng-premium-v5 .qf-product-card__footer {
  gap: 1rem;
}

body.qifeng-premium-v5 .qf-product-card__footer span {
  color: var(--qf-v5-soft-ink);
}

body.qifeng-premium-v5 .qf-product-v5-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(18rem, 0.72fr);
  gap: 1.6rem;
  align-items: start;
}

body.qifeng-premium-v5 .qf-product-v5-main {
  display: grid;
  gap: 1.35rem;
}

body.qifeng-premium-v5 .qf-product-v5-summary,
body.qifeng-premium-v5 .qf-product-v5-section,
body.qifeng-premium-v5 .qf-product-v5-sticky,
body.qifeng-premium-v5 .qf-thank-you-card {
  background: var(--qf-v5-panel);
  border: 1px solid var(--qf-v5-line);
  box-shadow: 0 18px 44px rgba(16, 36, 58, 0.08);
}

body.qifeng-premium-v5 .qf-product-v5-summary {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: 1.55rem;
}

body.qifeng-premium-v5 .qf-product-v5-summary__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.qifeng-premium-v5 .qf-product-v5-summary__copy {
  display: grid;
  align-content: start;
  gap: 0.85rem;
}

body.qifeng-premium-v5 .qf-product-v5-section {
  padding: 1.35rem;
  border-radius: 1.4rem;
}

body.qifeng-premium-v5 .qf-product-v5-sidebar {
  position: relative;
}

body.qifeng-premium-v5 .qf-product-v5-sticky {
  position: sticky;
  top: 7rem;
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 1.45rem;
}

body.qifeng-premium-v5 .qf-product-rfq-shell,
body.qifeng-premium-v5 .qf-custom-cta,
body.qifeng-premium-v5 .qf-products-cta,
body.qifeng-premium-v5 .qf-contact-intake {
  align-items: start;
}

body.qifeng-premium-v5 .qf-inquiry--v5 {
  width: 100%;
  padding: 1.3rem;
  border: 1px solid var(--qf-v5-line);
  border-radius: 1.6rem;
  background: linear-gradient(180deg, #fff, #f8fbfd);
  box-shadow: 0 20px 50px rgba(16, 36, 58, 0.08);
}

body.qifeng-premium-v5 .qf-inquiry--v5 .qf-inquiry__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(15rem, 0.78fr);
  gap: 1rem;
}

body.qifeng-premium-v5 .qf-inquiry--v5 .qf-inquiry__form {
  min-width: 0;
}

body.qifeng-premium-v5 .qf-inquiry--v5 .qf-inquiry__assist {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  padding: 1.05rem;
  border-radius: 1.3rem;
  border: 1px solid var(--qf-v5-line);
  background: linear-gradient(180deg, rgba(14, 40, 64, 0.95), rgba(16, 36, 58, 0.98));
  color: #f7fbff;
}

body.qifeng-premium-v5 .qf-inquiry--v5 .qf-inquiry__assist .feature-list {
  color: rgba(255, 255, 255, 0.84);
}

body.qifeng-premium-v5 .qf-inquiry__assist-meta {
  display: grid;
  gap: 0.15rem;
}

body.qifeng-premium-v5 .qf-inquiry__assist-meta span,
body.qifeng-premium-v5 .qf-inquiry__assist-note {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

body.qifeng-premium-v5 .qifeng-inquiry-form {
  display: grid;
  gap: 1rem;
}

body.qifeng-premium-v5 .qifeng-inquiry-group {
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--qf-v5-line);
  border-radius: 1.2rem;
  background: #fff;
}

body.qifeng-premium-v5 .qifeng-inquiry-group legend {
  padding: 0 0.45rem;
  color: var(--qf-v5-ink);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

body.qifeng-premium-v5 .qifeng-inquiry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.95rem;
}

body.qifeng-premium-v5 .qifeng-inquiry-grid .full,
body.qifeng-premium-v5 .qifeng-inquiry-form > .full {
  grid-column: 1 / -1;
}

body.qifeng-premium-v5 .qifeng-inquiry-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--qf-v5-ink);
  font-size: 0.92rem;
  font-weight: 600;
}

body.qifeng-premium-v5 .qifeng-inquiry-form input,
body.qifeng-premium-v5 .qifeng-inquiry-form textarea,
body.qifeng-premium-v5 .qifeng-inquiry-form select {
  width: 100%;
  min-height: 3rem;
  padding: 0.82rem 0.95rem;
  border: 1px solid rgba(16, 36, 58, 0.14);
  border-radius: 0.95rem;
  background: #f8fbfd;
  color: var(--qf-v5-ink);
  box-shadow: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

body.qifeng-premium-v5 .qifeng-inquiry-form textarea {
  min-height: 7.25rem;
  resize: vertical;
}

body.qifeng-premium-v5 .qifeng-inquiry-form input:focus,
body.qifeng-premium-v5 .qifeng-inquiry-form textarea:focus,
body.qifeng-premium-v5 .qifeng-inquiry-form select:focus {
  border-color: rgba(15, 76, 129, 0.48);
  background: #fff;
  box-shadow: 0 0 0 0.18rem rgba(15, 76, 129, 0.12);
  outline: none;
}

body.qifeng-premium-v5 .qifeng-inquiry-form input[type="file"] {
  min-height: auto;
  padding: 0.8rem;
  background: var(--qf-v5-accent-soft);
}

body.qifeng-premium-v5 .qifeng-inquiry-form small {
  color: var(--qf-v5-soft-ink);
  font-size: 0.81rem;
}

body.qifeng-premium-v5 .qifeng-inquiry-consent {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 0.25rem 0.15rem 0;
}

body.qifeng-premium-v5 .qifeng-inquiry-consent input {
  width: auto;
  min-height: 0;
  margin-top: 0.15rem;
}

body.qifeng-premium-v5 .qifeng-inquiry-form .button[type="submit"] {
  width: 100%;
  min-height: 3.35rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #1c6db0, #123f6b);
  box-shadow: 0 18px 38px rgba(15, 76, 129, 0.16);
}

body.qifeng-premium-v5 .notice-box.notice-error {
  border: 1px solid rgba(160, 49, 49, 0.18);
  background: #fff5f5;
  color: #8c2c2c;
}

body.qifeng-premium-v5 .qf-matrix {
  overflow: hidden;
  border-radius: 1.35rem;
}

body.qifeng-premium-v5 .qf-matrix table {
  width: 100%;
  border-collapse: collapse;
}

body.qifeng-premium-v5 .qf-matrix th,
body.qifeng-premium-v5 .qf-matrix td {
  padding: 1rem 1.05rem;
  border-bottom: 1px solid var(--qf-v5-line);
  text-align: left;
  vertical-align: top;
}

body.qifeng-premium-v5 .qf-matrix th {
  background: #f5f8fb;
  color: var(--qf-v5-ink);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

body.qifeng-premium-v5 .qf-matrix td {
  color: var(--qf-v5-soft-ink);
}

body.qifeng-premium-v5 .qf-thank-you-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.3rem;
}

body.qifeng-premium-v5 .qf-thank-you-card {
  padding: 1.35rem;
  border-radius: 1.4rem;
}

body.qifeng-premium-v5 .qf-footer-cta-card,
body.qifeng-premium-v5 .qf-handoff-strip__shell {
  border: 1px solid rgba(255, 255, 255, 0.14);
}

body.qifeng-premium-v5 .qf-footer-cta-card .button,
body.qifeng-premium-v5 .qf-handoff-strip__shell .button {
  min-width: 12rem;
}

@media (max-width: 1080px) {
  body.qifeng-premium-v5 .qf-product-v5-grid,
  body.qifeng-premium-v5 .qf-inquiry--v5 .qf-inquiry__layout,
  body.qifeng-premium-v5 .qf-product-v5-summary,
  body.qifeng-premium-v5 .qf-thank-you-grid {
    grid-template-columns: 1fr;
  }

  body.qifeng-premium-v5 .qf-product-v5-sticky {
    position: static;
  }
}

@media (max-width: 900px) {
  body.qifeng-premium-v5 .qifeng-inquiry-grid {
    grid-template-columns: 1fr;
  }

  body.qifeng-premium-v5 .qf-filter-bar--sticky {
    top: 5.6rem;
  }
}

@media (max-width: 768px) {
  body.qifeng-premium-v5 .qf-mobile-rfq-bar {
    display: grid;
  }

  body.qifeng-premium-v5 .qf-inquiry--v5,
  body.qifeng-premium-v5 .qf-product-v5-section,
  body.qifeng-premium-v5 .qf-product-v5-summary,
  body.qifeng-premium-v5 .qf-product-v5-sticky,
  body.qifeng-premium-v5 .qf-thank-you-card {
    border-radius: 1.2rem;
  }

  body.qifeng-premium-v5 .qf-matrix {
    overflow-x: auto;
  }

  body.qifeng-premium-v5 .qf-language-notice .container {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  body.qifeng-premium-v5 .qf-mobile-rfq-bar {
    left: 0.8rem;
    right: 0.8rem;
    bottom: 0.8rem;
  }

  body.qifeng-premium-v5 .qf-mobile-rfq-bar a {
    min-height: 2.65rem;
    font-size: 0.83rem;
  }
}