/* ========================================
   宠王子·PetKing 招商合作页面样式
   主色调：#E7161A（红） / #CC853C（金）
   ======================================== */

/* ---- Hero 背景 ---- */
.cooperation-page .base-hero-bg {
  background-image: url("../images/coop-hero.webp");
}

.cooperation-page .base-hero-overlay {
  background:
    linear-gradient(180deg, rgba(124, 17, 13, 0.62) 0%, rgba(124, 17, 13, 0.38) 45%, rgba(36, 28, 22, 0.76) 100%);
}

/* ---- 通用块 ---- */
.coop-section {
  padding: var(--space-16) var(--space-5);
  scroll-margin-top: calc(var(--header-height-mobile) + 64px);
}

.coop-section-alt {
  background: var(--bp-cream);
}

.coop-section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.coop-section-header {
  margin-bottom: var(--space-10);
}

.coop-section-header.center {
  text-align: center;
}

.coop-section-header.center .coop-section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.coop-section-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--bp-secondary);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.coop-section-title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--bp-primary);
  margin-bottom: var(--space-4);
}

.coop-section-subtitle {
  font-size: 1.05rem;
  color: var(--bp-muted);
  max-width: 56ch;
  line-height: 1.7;
}

/* ---- 招商优势（大图卡片） ---- */
.coop-advantages-grid {
  display: grid;
  gap: var(--space-6);
}

.coop-advantage-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bp-surface);
  border: 1px solid var(--bp-border);
  border-radius: var(--bp-radius);
  overflow: hidden;
  box-shadow: var(--bp-shadow-sm);
  transition: transform 0.4s var(--bp-ease), box-shadow 0.4s var(--bp-ease);
}

.coop-advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--bp-shadow);
  border-color: transparent;
}

.coop-advantage-card:hover .coop-advantage-media img {
  transform: scale(1.06);
}

.coop-advantage-card:hover .coop-advantage-num {
  transform: translateY(0);
  opacity: 1;
}

.coop-advantage-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--bp-cream-2);
}

.coop-advantage-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--bp-ease);
  display: block;
}

.coop-advantage-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(36, 28, 22, 0) 40%,
    rgba(36, 28, 22, 0.35) 75%,
    rgba(124, 17, 13, 0.55) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.coop-advantage-num {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-3);
  z-index: 2;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: 3rem;
  font-weight: 800;
  font-style: italic;
  line-height: 1;
  color: #fff;
  letter-spacing: 0.04em;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
  transform: translateY(8px);
  opacity: 0.92;
  transition: transform 0.4s var(--bp-ease), opacity 0.4s var(--bp-ease);
}

.coop-advantage-num::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--bp-secondary);
  vertical-align: middle;
  margin-right: 0.5rem;
  margin-bottom: 0.4em;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.coop-advantage-body {
  position: relative;
  padding: var(--space-5) var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.coop-advantage-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--bp-secondary);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.coop-advantage-body h3 {
  position: relative;
  padding-left: var(--space-3);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bp-ink);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.coop-advantage-body h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 3px;
  height: 0.95em;
  background: linear-gradient(180deg, var(--bp-primary) 0%, var(--bp-primary-dark) 100%);
  border-radius: 2px;
}

.coop-advantage-body p {
  font-size: 0.84rem;
  color: var(--bp-ink-2);
  line-height: 1.7;
  margin: 0;
}

/* ---- 合作伙伴 ---- */
.partners-section {
  background: var(--bp-surface);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.partner-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--bp-border);
  border-radius: var(--bp-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s var(--bp-ease), box-shadow 0.2s var(--bp-ease), border-color 0.2s;
}

.partner-card:hover,
.partner-card:focus {
  transform: translateY(-3px);
  box-shadow: var(--bp-shadow);
  border-color: var(--bp-secondary-light);
}

.partner-media {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 84px;
  padding: 14px 20px;
  background: #fff;
  border-bottom: 1px solid var(--bp-border);
}

.partner-img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.2s var(--bp-ease);
}

.partner-card:hover .partner-img,
.partner-card:focus .partner-img {
  transform: scale(1.04);
}

/* 所有卡片：隐藏 logo/图标下方文字，纯 logo 墙展示 */
.partner-card .partner-body {
  display: none;
}

.partner-card .partner-media {
  border-bottom: none;
}

/* 无 logo 占位：圆角方块 + 公司名首字 */
.partner-icon-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 12px;
  font-family: "Georgia", "PingFang SC", "Source Han Serif SC", "Noto Serif CJK SC", "Microsoft YaHei", serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  user-select: none;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.08);
  transition: transform 0.2s var(--bp-ease);
}

.partner-icon-placeholder.tone-red {
  background: linear-gradient(135deg, var(--bp-primary) 0%, var(--bp-primary-dark) 100%);
  color: #E8B84B;
}

.partner-icon-placeholder.tone-gold {
  background: linear-gradient(135deg, var(--bp-secondary) 0%, #B5702A 100%);
  color: #fff;
}

.partner-card:hover .partner-icon-placeholder,
.partner-card:focus .partner-icon-placeholder {
  transform: scale(1.06) rotate(-2deg);
}

.partner-body {
  padding: 14px 18px 16px;
}

.partner-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1F1A17;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.partner-sub {
  margin-top: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  color: #8A8075;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* 12 张刚好 4 列 × 3 行，无需翻页 */
.partner-pagination {
  display: none;
}

/* ---- 分页 ---- */
.partner-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bp-primary);
  background: var(--bp-cream-2);
  border: 1px solid var(--bp-border);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.pagination-btn:hover:not(:disabled),
.pagination-btn:focus:not(:disabled) {
  background: var(--bp-primary);
  color: #fff;
  transform: translateY(-2px);
}

.pagination-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.pagination-btn svg {
  width: 1.1em;
  height: 1.1em;
  fill: currentColor;
}

.pagination-info {
  font-size: 0.9rem;
  color: var(--bp-muted);
  min-width: 6ch;
  text-align: center;
}

/* ---- 合作流程（居中徽章 + 连接线步骤卡） ---- */
.coop-process-grid {
  display: grid;
  gap: var(--space-6);
}

.coop-process-step {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: center;
  padding: var(--space-8) var(--space-5) var(--space-6);
  background: var(--bp-surface);
  border: 1px solid var(--bp-border);
  border-radius: var(--bp-radius);
  box-shadow: var(--bp-shadow-sm);
  transition: transform 0.4s var(--bp-ease), box-shadow 0.4s var(--bp-ease), border-color 0.4s var(--bp-ease);
}

.coop-process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--bp-shadow);
  border-color: transparent;
}

.coop-process-badge {
  position: relative;
  z-index: 2;
  width: 68px;
  height: 68px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bp-primary) 0%, var(--bp-primary-dark) 60%, var(--bp-primary-900) 100%);
  color: #fff;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-style: italic;
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 10px 26px rgba(181, 27, 22, 0.28), 0 0 0 6px var(--bp-cream-2);
  transition: transform 0.4s var(--bp-ease), box-shadow 0.4s var(--bp-ease);
}

.coop-process-step:hover .coop-process-badge {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 14px 32px rgba(181, 27, 22, 0.36), 0 0 0 6px var(--bp-cream-2);
}

.coop-process-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--bp-secondary);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.coop-process-step h3 {
  position: relative;
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--bp-ink);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.coop-process-step h3::after {
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  margin: var(--space-2) auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bp-primary) 0%, var(--bp-secondary) 100%);
}

.coop-process-step p {
  font-size: 0.92rem;
  color: var(--bp-ink-2);
  line-height: 1.7;
  margin: var(--space-2) auto 0;
  max-width: 30ch;
}

/* ---- 合作意向表单 ---- */
.coop-form-section {
  background:
    radial-gradient(circle at 10% 20%, rgba(226, 33, 28, 0.04), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(204, 133, 60, 0.05), transparent 45%),
    var(--bp-cream);
}

.coop-form-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bp-surface);
  border: 1px solid var(--bp-border);
  border-radius: var(--bp-radius);
  padding: var(--space-8) var(--space-5);
  box-shadow: var(--bp-shadow);
}

.coop-form {
  display: grid;
  gap: var(--space-5);
}

.coop-form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.coop-form-field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bp-ink);
}

.coop-form-field label .required {
  color: var(--bp-primary);
  margin-left: 0.25em;
}

.coop-form-field input,
.coop-form-field select,
.coop-form-field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--bp-border);
  background: var(--bp-cream);
  color: var(--bp-ink);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.coop-form-field input::placeholder,
.coop-form-field textarea::placeholder {
  color: var(--bp-muted);
}

.coop-form-field input:focus,
.coop-form-field select:focus,
.coop-form-field textarea:focus {
  border-color: var(--bp-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(231, 22, 26, 0.12);
}

.coop-form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.coop-form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%238A8075' d='M16.59 8.59 12 13.17 7.41 8.59 6 10l6 6 6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem;
  padding-right: var(--space-8);
}

.coop-form-field .hint {
  font-size: 0.8rem;
  color: var(--bp-muted);
}

.coop-form-actions {
  display: flex;
  justify-content: center;
  margin-top: var(--space-2);
}

.coop-submit-btn {
  min-width: 200px;
}

.coop-form-status {
  text-align: center;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  display: none;
}

.coop-form-status.is-success {
  display: block;
  background: rgba(39, 174, 96, 0.08);
  color: #27ae60;
  border: 1px solid rgba(39, 174, 96, 0.2);
}

.coop-form-status.is-error {
  display: block;
  background: rgba(231, 22, 26, 0.08);
  color: var(--bp-primary);
  border: 1px solid rgba(231, 22, 26, 0.2);
}

/* ---- CTA 区块 ---- */
.cooperation-page .base-cta {
  position: relative;
  overflow: hidden;
  background: none;
}

.cooperation-page .base-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/coop-cta.webp");
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.cooperation-page .base-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(124, 17, 13, 0.82) 0%, rgba(36, 28, 22, 0.78) 100%);
  z-index: 1;
}

.cooperation-page .base-cta-content {
  position: relative;
  z-index: 2;
}

.cooperation-page .base-cta-title,
.cooperation-page .base-cta-desc {
  color: #fff;
}

.cooperation-page .base-cta-desc {
  color: rgba(255, 255, 255, 0.85);
}

.cooperation-page .btn-outline {
  border-color: #fff;
  color: #fff;
}

.cooperation-page .btn-outline:hover,
.cooperation-page .btn-outline:focus {
  background: #fff;
  color: var(--bp-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ---- 响应式：tablet ---- */
@media (min-width: 980px) {
  .coop-section {
    padding: var(--space-20) var(--space-8);
    scroll-margin-top: calc(var(--header-height) + 64px);
  }

  .coop-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }

  .partner-card {
    /* 兼容新结构：提升媒体区高度 */
  }

  .partner-media {
    height: 96px;
    padding: 16px 24px;
  }

  .coop-process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .coop-form-card {
    padding: var(--space-10) var(--space-8);
  }

  .coop-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
}

/* ---- 响应式：desktop ---- */
@media (min-width: 1024px) {
  .coop-section {
    padding: var(--space-24) var(--space-12);
  }

  .coop-advantages-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .coop-process-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* 步骤之间的红金连接线 */
  .coop-process-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px; /* 徽章中心 */
    left: 100%;
    width: var(--space-6); /* 恰好跨越 grid gap */
    height: 2px;
    background: linear-gradient(90deg, var(--bp-primary) 0%, var(--bp-secondary) 100%);
    opacity: 0.45;
    z-index: 1;
  }
}

/* ---- 减少动画偏好 ---- */
@media (prefers-reduced-motion: reduce) {
  .partner-card,
  .coop-advantage-card,
  .pagination-btn {
    transition: none;
  }
}