/* =========================================================
   page-contact ｜ 联系通道页面专属样式
   所有选择器限定在 .page-contact 作用域内
   移动端优先 + 桌面端增强
   ========================================================= */
.page-contact {
  --contact-accent: var(--color-accent, #FF6B35);
  --contact-primary: var(--color-primary, #0A1F3D);
  --contact-bg-dark: var(--color-bg-dark, #0B0E14);
  --contact-surface: var(--color-surface, #1A2332);
  --contact-text-primary: var(--color-text-primary, #FFFFFF);
  --contact-text-secondary: var(--color-text-secondary, #B0B8C4);
  --contact-secondary: var(--color-secondary, #8C9EAB);
  --contact-border: var(--color-border, rgba(140,158,171,0.3));
  --contact-font-heading: var(--font-heading, Georgia, "Times New Roman", serif);
  --contact-font-body: var(--font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif);
  --contact-shadow-md: var(--shadow-md, 0 8px 32px rgba(0,0,0,0.4));
  --contact-shadow-lg: var(--shadow-lg, 0 16px 48px rgba(0,0,0,0.5));
  --contact-border-thick: 4px;
  --contact-border-med: 2px;
  --contact-radius: 0;
  --contact-gap: 24px;
  --contact-max-width: 1200px;
  background-color: var(--contact-bg-dark);
  color: var(--contact-text-primary);
  font-family: var(--contact-font-body);
  line-height: 1.6;
}

/* ---- Hero 区 ---- */
.page-contact__hero {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px 60px;
  border-bottom: var(--contact-border-thick) solid var(--contact-accent);
}
.page-contact__hero-bg-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, rgba(10,31,61,0.65) 0%, rgba(11,14,20,0.85) 100%);
}
.page-contact__hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
  mix-blend-mode: overlay;
}
.page-contact__hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--contact-max-width);
  width: 100%;
  padding: 0 16px;
}
.page-contact__breadcrumb {
  margin-bottom: 20px;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--contact-text-secondary);
}
.page-contact__breadcrumb-link {
  color: var(--contact-accent);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: color 0.2s;
}
.page-contact__breadcrumb-link::after {
  content: "／";
  margin: 0 8px;
  color: var(--contact-text-secondary);
}
.page-contact__breadcrumb-link:hover {
  color: var(--contact-text-primary);
}
.page-contact__hero-title {
  font-family: var(--contact-font-heading);
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 24px rgba(0,0,0,0.6);
  color: var(--contact-text-primary);
}
.page-contact__hero-desc {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--contact-text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
}
.page-contact__hero-skew {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 48px;
  background: var(--contact-bg-dark);
  clip-path: polygon(0 0, 100% 100%, 100% 100%, 0 100%);
  z-index: 2;
}
@media (min-width: 768px) {
  .page-contact__hero-skew {
    clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
    height: 64px;
  }
}

/* ---- 主体网格 ---- */
.page-contact__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
@media (min-width: 992px) {
  .page-contact__grid {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-contact__form-col {
    flex: 0 0 55%;
    max-width: 55%;
    padding-right: 12px;
  }
  .page-contact__info-col {
    flex: 0 0 45%;
    max-width: 45%;
    padding-left: 12px;
  }
}

/* ---- 联系表单 ---- */
.page-contact__form-col {
  position: relative;
}
.page-contact__section-heading {
  font-family: var(--contact-font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 28px;
  line-height: 1.2;
  color: var(--contact-text-primary);
  border-left: var(--contact-border-thick) solid var(--contact-accent);
  padding-left: 16px;
}
.page-contact__form {
  background: var(--contact-surface);
  border: var(--contact-border-med) solid var(--contact-border);
  padding: 28px 20px 32px;
  box-shadow: var(--contact-shadow-md);
  transition: box-shadow 0.3s, border-color 0.3s;
}
.page-contact__form:hover {
  border-color: var(--contact-accent);
  box-shadow: var(--contact-shadow-lg);
}
.page-contact__form-group {
  margin-bottom: 20px;
}
.page-contact__form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--contact-text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.page-contact__form-input,
.page-contact__form-textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  background: var(--contact-bg-dark);
  border: var(--contact-border-med) solid var(--contact-border);
  color: var(--contact-text-primary);
  font-family: var(--contact-font-body);
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.25s, box-shadow 0.25s, background-color 0.25s;
  outline: none;
  appearance: none;
  border-radius: 0;
}
.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: var(--contact-text-secondary);
  opacity: 0.5;
}
.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  border-color: var(--contact-accent);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.2);
  background: rgba(255,107,53,0.04);
}
.page-contact__form-textarea {
  resize: vertical;
  min-height: 100px;
}
.page-contact__form-btn {
  margin-top: 8px;
  width: 100%;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: var(--contact-accent);
  color: var(--contact-bg-dark);
  border: var(--contact-border-thick) solid var(--contact-accent);
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s, transform 0.2s;
  box-shadow: var(--shadow-sm);
}
.page-contact__form-btn:hover {
  background: transparent;
  color: var(--contact-accent);
  transform: translateY(-2px);
}
.page-contact__form-btn:active {
  transform: translateY(0);
}
.page-contact__form-note {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--contact-text-secondary);
  text-align: center;
}

/* ---- 客服支持卡片 ---- */
.page-contact__support-card {
  background: var(--contact-surface);
  border: var(--contact-border-med) solid var(--contact-border);
  padding: 28px 20px;
  margin-bottom: 32px;
  box-shadow: var(--contact-shadow-md);
  transition: box-shadow 0.3s, border-color 0.3s;
}
.page-contact__support-card:hover {
  border-color: var(--contact-accent);
  box-shadow: var(--contact-shadow-lg);
}
.page-contact__support-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-contact__support-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.page-contact__support-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.page-contact__support-text {
  display: flex;
  flex-direction: column;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--contact-text-primary);
}
.page-contact__support-text strong {
  font-weight: 700;
  color: var(--contact-accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
.page-contact__support-text span,
.page-contact__support-text a {
  color: var(--contact-text-secondary);
  transition: color 0.2s;
}
.page-contact__support-link {
  color: var(--contact-text-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.page-contact__support-link:hover {
  color: var(--contact-accent);
  border-bottom-color: var(--contact-accent);
}
.page-contact__support-note {
  display: block;
  font-size: 0.75rem;
  color: var(--contact-text-secondary);
  opacity: 0.7;
  margin-top: 2px;
  font-style: italic;
}
.page-contact__support-note-box {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--contact-border);
  font-size: 0.85rem;
  color: var(--contact-text-secondary);
  line-height: 1.5;
}
.page-contact__support-note-box a {
  color: var(--contact-accent);
  text-decoration: none;
}
.page-contact__support-note-box a:hover {
  text-decoration: underline;
}
.page-contact__support-note-small {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-top: 4px;
}

/* ---- 办公位置／抽象地图 ---- */
.page-contact__location-block {
  margin-top: 0;
}
.page-contact__map-wrap {
  position: relative;
  overflow: hidden;
  border: var(--contact-border-med) solid var(--contact-border);
  background: var(--contact-bg-dark);
  box-shadow: var(--contact-shadow-md);
  transition: border-color 0.3s, box-shadow 0.3s;
  cursor: default;
}
.page-contact__map-wrap:hover {
  border-color: var(--contact-accent);
  box-shadow: var(--contact-shadow-lg);
}
.page-contact__map-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: opacity 0.4s;
}
.page-contact__map-wrap:hover .page-contact__map-img {
  opacity: 0.8;
}
.page-contact__map-pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s, transform 0.4s;
}
.page-contact__map-wrap:hover .page-contact__map-pin {
  opacity: 1;
  transform: translate(-50%, -70%);
}
.page-contact__map-pin-dot {
  display: block;
  width: 20px;
  height: 20px;
  background: var(--contact-accent);
  border: 3px solid var(--contact-text-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(255,107,53,0.3);
  animation: page-contact-pin-pulse 2s ease-in-out infinite;
}
@keyframes page-contact-pin-pulse {
  0%, 100% { box-shadow: 0 0 0 6px rgba(255,107,53,0.3); }
  50% { box-shadow: 0 0 0 12px rgba(255,107,53,0.1); }
}
.page-contact__map-pin-label {
  display: block;
  margin-top: 6px;
  padding: 4px 12px;
  background: var(--contact-accent);
  color: var(--contact-bg-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}
.page-contact__map-hover-info {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 4px 12px;
  background: rgba(11,14,20,0.8);
  color: var(--contact-text-secondary);
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid var(--contact-border);
  pointer-events: none;
  transition: background 0.3s;
}
.page-contact__map-wrap:hover .page-contact__map-hover-info {
  background: var(--contact-accent);
  color: var(--contact-bg-dark);
  border-color: var(--contact-accent);
}

/* ---- 底部信任与内链区 ---- */
.page-contact__bottom {
  background: var(--contact-primary);
  border-top: var(--contact-border-thick) solid var(--contact-accent);
  padding: 48px 0;
}
.page-contact__bottom-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
}
@media (min-width: 768px) {
  .page-contact__bottom-grid {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.page-contact__bottom-text {
  font-size: 0.95rem;
  color: var(--contact-text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin: 0;
}
.page-contact__bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
}
.page-contact__bottom-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--contact-accent);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.page-contact__bottom-link:hover {
  color: var(--contact-text-primary);
  border-bottom-color: var(--contact-accent);
}

/* ---- 通用工具覆盖 ---- */
.page-contact .container {
  max-width: var(--contact-max-width);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}
.page-contact .section {
  padding: 48px 0;
}
@media (min-width: 768px) {
  .page-contact .section {
    padding: 72px 0;
  }
}
.page-contact .btn--primary {
  background: var(--contact-accent);
  color: var(--contact-bg-dark);
  border: var(--contact-border-thick) solid var(--contact-accent);
  transition: background-color 0.25s, color 0.25s, transform 0.2s;
}
.page-contact .btn--primary:hover {
  background: transparent;
  color: var(--contact-accent);
  transform: translateY(-2px);
}

/* ---- [data-reveal] 滚动显现（渐进增强） ---- */
.page-contact [data-reveal] {
  opacity: 1;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- 移动端紧密适配 ---- */
@media (max-width: 480px) {
  .page-contact__hero {
    min-height: 320px;
    padding: 60px 16px 40px;
  }
  .page-contact__hero-title {
    font-size: 1.8rem;
  }
  .page-contact__form {
    padding: 20px 14px 24px;
  }
  .page-contact__support-card {
    padding: 20px 14px;
  }
  .page-contact__section-heading {
    font-size: 1.4rem;
    padding-left: 12px;
  }
  .page-contact__bottom {
    padding: 32px 0;
  }
}

/* ---- 桌面端精细调整 ---- */
@media (min-width: 992px) {
  .page-contact__hero {
    min-height: 520px;
    padding: 100px 40px 80px;
  }
  .page-contact__hero-desc {
    font-size: 1.2rem;
  }
  .page-contact__form {
    padding: 36px 32px 40px;
  }
  .page-contact__support-card {
    padding: 36px 28px;
  }
  .page-contact__support-item {
    gap: 16px;
  }
  .page-contact__map-pin-dot {
    width: 24px;
    height: 24px;
  }
  .page-contact__map-pin-label {
    font-size: 0.85rem;
  }
  .page-contact__bottom-grid {
    padding: 0 12px;
  }
}