/* ===== CTA 横幅 ===== */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark-3) 50%, rgba(251,191,36,.3) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/factory.jpg') center/cover no-repeat;
  opacity: .08;
}

.cta-banner__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-banner__content .sec-label {
  color: var(--accent);
  background: rgba(251,191,36,.15);
  border: 1px solid rgba(251,191,36,.3);
}

.cta-banner__content .sec-title {
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner__content p {
  color: rgba(255,255,255,.65);
  font-size: 1.05rem;
  max-width: 560px;
}

.cta-banner__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .cta-banner__inner { flex-direction: column; text-align: center; }
  .cta-banner__actions { justify-content: center; }
}

/* ===== 联系我们 ===== */
.contact {
  padding: var(--section-py) 0;
  background: var(--white);
}

.contact__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact__info {}

.contact__cards {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px 22px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--trans);
}

.contact-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.contact-card__icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card__icon svg {
  width: 24px; height: 24px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
}

.contact-card__text h4 {
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.contact-card__text p {
  font-size: .98rem;
  font-weight: 700;
  color: var(--dark);
}

/* 表单 */
.contact__form-wrap {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  border: 1px solid var(--border);
}

.contact__form-wrap h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}

.contact__form-wrap p {
  font-size: .9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group--full {
  grid-column: span 2;
}

.form-group label {
  font-size: .84rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  font-size: .92rem;
  font-family: var(--font-main);
  color: var(--text);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,100,10,.1);
}

.form-group textarea {
  min-height: 110px;
}

.form-submit {
  margin-top: 20px;
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(232,100,10,.35);
  transition: var(--trans);
  cursor: pointer;
  border: none;
}

.form-submit:hover {
  box-shadow: 0 6px 28px rgba(232,100,10,.5);
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .contact__inner { grid-template-columns: 1fr; }
  .contact__form-wrap { padding: 32px 24px; }
}

@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-group--full { grid-column: span 1; }
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.65);
  padding: 72px 0 0;
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.3fr;
  gap: 48px;
}

.footer__brand {}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer__logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: url(#remove-white);
}

.footer__logo-text {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--white);
}

.footer__desc {
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(255,255,255,.45);
  margin-bottom: 24px;
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.55);
  transition: var(--trans-fast);
  cursor: pointer;
}

.social-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.social-btn svg {
  width: 18px; height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* 页脚链接列 */
.footer__col h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer__col h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer__col ul li a {
  font-size: .86rem;
  color: rgba(255,255,255,.45);
  transition: var(--trans-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer__col ul li a::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0;
  transition: opacity .2s;
  flex-shrink: 0;
}

.footer__col ul li a:hover {
  color: var(--white);
  padding-left: 4px;
}

.footer__col ul li a:hover::before { opacity: 1; }

/* 联系信息列 */
.footer__contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.footer__contact-item svg {
  width: 16px; height: 16px;
  stroke: var(--primary-light);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer__contact-item p {
  font-size: .84rem;
  color: rgba(255,255,255,.45);
  line-height: 1.6;
}

/* 页脚底部 */
.footer__bottom {
  margin-top: 56px;
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 22px 24px;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__bottom p {
  font-size: .82rem;
  color: rgba(255,255,255,.3);
}

.footer__bottom a { color: var(--primary-light); }
.footer__bottom a:hover { color: var(--accent); }

.footer__bottom-links {
  display: flex;
  gap: 20px;
}

.footer__bottom-links a {
  font-size: .82rem;
  color: rgba(255,255,255,.3);
  transition: color .2s;
}

.footer__bottom-links a:hover { color: rgba(255,255,255,.7); }

@media (max-width: 1200px) {
  .footer__inner {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
  .footer__brand { grid-column: span 4; }
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand { grid-column: span 2; }
}

@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .footer__bottom { flex-direction: column; text-align: center; }
}