/* ==========================================================================
   Contact Us Page Stylesheet (外贸图文结合画廊风) - Wanda Wood
   ========================================================================== */

/* Sub-page Hero / Breadcrumb */
/* 1. 首屏: 双栏图文导言网格 */
.contact-intro-section {
  background: var(--paper);
  padding: 120px 0 90px;
}

.contact-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

/* Left Column: Image Collage */
.contact-intro-gallery {
  position: relative;
  height: 460px;
}

.intro-img-primary {
  position: absolute;
  top: 0;
  left: 0;
  width: 75%;
  height: 360px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 16px 36px rgba(11, 13, 14, 0.1);
  z-index: 2;
  transition: transform 0.4s ease;
}

.intro-img-secondary {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60%;
  height: 250px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 16px 36px rgba(11, 13, 14, 0.14);
  z-index: 3;
  border: 6px solid var(--paper);
  transition: transform 0.4s ease;
}

.contact-intro-gallery:hover .intro-img-primary {
  transform: translate(-8px, -4px) scale(1.015);
}

.contact-intro-gallery:hover .intro-img-secondary {
  transform: translate(8px, 4px) scale(1.015);
}

/* Right Column: Text & Channels */
.contact-intro-details h2 {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.contact-intro-details p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 24px;
}

.intro-details-list {
  display: flex;
  flex-direction: column;
}

.intro-details-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.intro-details-item:first-child {
  padding-top: 0;
}

.intro-details-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.details-lbl {
  font-size: 11px;
  font-weight: 700;
  color: var(--brown);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.details-val {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin: 0;
}

.details-val a {
  transition: color 0.25s ease;
}

.details-val a:hover {
  color: var(--brown);
}

.details-sub {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* 2. 中屏: 暖色背景左右图表混排 */
.contact-form-section {
  background: #fbf9f6;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 120px 0;
}

.contact-form-split-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}

.minimal-form-wrap {
  width: 100%;
}

.minimal-form-head {
  margin-bottom: 42px;
}

.minimal-form-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}

.minimal-form-head p {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
}

.minimal-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 34px 40px;
}

/* Floating Label Form Group */
.minimal-form-group {
  position: relative;
  padding-top: 18px; /* Room for floating label */
}

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

.minimal-form-input,
.minimal-form-textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid #cbb9a6;
  background: transparent;
  padding: 8px 0;
  outline: none;
  font-size: 15px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.minimal-form-textarea {
  height: 120px;
  resize: vertical;
}

/* Floating label styles */
.minimal-form-label {
  position: absolute;
  top: 24px;
  left: 0;
  color: var(--muted);
  font-size: 14.5px;
  font-weight: 500;
  transition: 0.25s cubic-bezier(0.25, 0.8, 0.25, 1) all;
  pointer-events: none;
}

/* Float up and shrink label when input is focused or has content */
.minimal-form-input:focus ~ .minimal-form-label,
.minimal-form-input:not(:placeholder-shown) ~ .minimal-form-label,
.minimal-form-textarea:focus ~ .minimal-form-label,
.minimal-form-textarea:not(:placeholder-shown) ~ .minimal-form-label {
  top: 0;
  font-size: 12px;
  color: var(--brown);
  font-weight: 700;
}

/* Animate Underline Bar */
.minimal-form-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brown);
  transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) all;
}

.minimal-form-input:focus ~ .minimal-form-bar,
.minimal-form-textarea:focus ~ .minimal-form-bar {
  width: 100%;
}

/* Toastr validation error state overrides */
.minimal-form-input.error-field,
.minimal-form-textarea.error-field {
  border-bottom-color: #ff6b6b !important;
}

.minimal-form-input.error-field ~ .minimal-form-label,
.minimal-form-textarea.error-field ~ .minimal-form-label {
  color: #ff6b6b !important;
}

.minimal-form-input.error-field ~ .minimal-form-bar,
.minimal-form-textarea.error-field ~ .minimal-form-bar {
  background: #ff6b6b !important;
  width: 100% !important;
}

/* Form Submit container */
.minimal-form-submit {
  margin-top: 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-tip {
  font-size: 12.5px;
  color: var(--muted);
}

.form-tip i {
  color: var(--brown);
  margin-right: 6px;
}

.minimal-form-submit button {
  min-width: 160px;
  height: 48px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  border: 1px solid var(--ink);
  border-radius: 4px;
  transition: background 0.28s ease, border-color 0.28s ease, transform 0.2s ease;
}

.minimal-form-submit button:hover {
  background: var(--brown);
  border-color: var(--brown);
  transform: translateY(-2px);
}

/* Right Column: Tall Industrial QC Image */
.contact-form-vertical-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 20px 45px rgba(11, 13, 14, 0.08);
}

/* 3.底屏: 供应链工作流网格 */
.contact-supply-section {
  background: var(--paper);
  padding: 110px 0;
}

.supply-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 64px;
}

.supply-card {
  padding: 0 40px;
  border-left: 1px solid var(--line);
  transition: transform 0.35s ease;
}

.supply-card:first-child {
  padding-left: 0;
  border-left: none;
}

.supply-card:last-child {
  padding-right: 0;
}

.supply-num {
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 200;
  color: #ebdcd0;
  line-height: 1;
  margin-bottom: 22px;
  display: block;
  transition: color 0.35s ease;
}

.supply-card:hover .supply-num {
  color: var(--brown);
}

.supply-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.supply-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1080px) {
  .contact-intro-grid,
  .contact-form-split-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-intro-text {
    order: -1;
  }

  .contact-form-vertical-image {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }

  .contact-form-vertical-image img {
    height: 380px;
  }

  .supply-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 0;
  }

  .supply-card {
    padding: 0 28px;
  }

  .supply-card:nth-child(2n+1) {
    padding-left: 0;
    border-left: none;
  }

  .supply-card:nth-child(2n) {
    padding-right: 0;
  }
}

@media (max-width: 760px) {
  .contact-intro-section,
  .contact-form-section,
  .contact-supply-section {
    padding: 64px 0;
  }

  .contact-intro-gallery {
    height: 340px;
  }

  .intro-img-primary {
    height: 260px;
  }

  .intro-img-secondary {
    height: 180px;
    border-width: 4px;
  }

  .minimal-form-head {
    margin-bottom: 34px;
  }

  .minimal-form-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .minimal-form-group--full {
    grid-column: span 1;
  }

  .minimal-form-submit {
    flex-direction: column;
    gap: 20px;
    align-items: stretch;
  }

  .minimal-form-submit button {
    width: 100%;
  }

  .contact-form-vertical-image img {
    height: 300px;
  }

  .supply-grid {
    grid-template-columns: 1fr;
    gap: 34px 0;
  }

  .supply-card {
    padding: 0 !important;
    border-left: none !important;
  }

  .supply-num {
    margin-bottom: 14px;
  }
}