/* ============================
   页面专属：联系我们 (page-contact)
   移动端优先 + 桌面增强
   ============================ */

.page-contact {
  --_info-bg: var(--color-primary, #003399);
  --_form-bg: var(--color-bg-light, #F5F5F5);
  --_gold: var(--color-accent, #FFD700);
  --_dark-bg: var(--color-bg-dark, #1A1A2E);
  --_red: var(--color-secondary, #8B0000);
  --_text-light: var(--color-text-primary, #FFFFFF);
  --_text-dark: var(--color-text-dark, #1A1A2E);
  --_text-muted: var(--color-text-secondary, #CCCCCC);
  --_font-heading: var(--font-heading, 'Arial Black', 'Helvetica Neue', sans-serif);
  --_font-body: var(--font-body, Georgia, 'Times New Roman', serif);
  --_font-mono: var(--font-mono, 'Courier New', monospace);
  --_radius: 4px;
  --_split-min-height: 100vh;
  --_info-clip: polygon(0 0, 100% 0, 92% 100%, 0 100%);
}

/* ---------- 分屏容器 ---------- */
.page-contact__split {
  display: flex;
  flex-direction: column;
  min-height: var(--_split-min-height);
  width: 100%;
}

/* ---------- 左侧：信息区域 ---------- */
.page-contact__info {
  background: var(--_info-bg);
  color: var(--_text-light);
  padding: var(--gap-xl, 64px) var(--gap-lg, 32px);
  position: relative;
  overflow: hidden;
  /* 斜向切割 */
  clip-path: var(--_info-clip);
  /* 背景纹理光晕 */
  background-image: radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 60%),
                    radial-gradient(circle at 80% 70%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
}

.page-contact__info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255, 215, 0, 0.02) 40px,
    rgba(255, 215, 0, 0.02) 41px
  );
  pointer-events: none;
  z-index: 0;
}

.page-contact__info-content {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 0 auto;
}

/* ---------- 面包屑 ---------- */
.page-contact__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--gap-sm, 8px);
  margin-bottom: var(--gap-lg, 32px);
  font-family: var(--_font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.75;
}

.page-contact__breadcrumb-link {
  color: var(--_gold);
  text-decoration: none;
  transition: opacity var(--transition-fast, 0.2s ease);
}

.page-contact__breadcrumb-link:hover,
.page-contact__breadcrumb-link:focus-visible {
  opacity: 0.7;
  outline: 2px solid var(--_gold);
  outline-offset: 2px;
}

.page-contact__breadcrumb-sep {
  color: var(--_gold);
  font-size: 0.6rem;
}

.page-contact__breadcrumb-current {
  color: var(--_text-light);
}

/* ---------- 主标题 ---------- */
.page-contact__heading {
  font-family: var(--_font-heading);
  font-weight: 900;
  font-size: 2rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--_gold);
  margin: 0 0 var(--gap-md, 16px);
  position: relative;
  display: inline-block;
}

.page-contact__heading::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--_gold);
  margin-top: var(--gap-sm, 8px);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
}

/* ---------- 客服图标 ---------- */
.page-contact__icon-figure {
  margin: var(--gap-lg, 32px) 0 var(--gap-md, 16px);
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--_gold);
  overflow: hidden;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
}

.page-contact__icon-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 联系信息列表 ---------- */
.page-contact__detail-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md, 16px);
  margin: var(--gap-lg, 32px) 0;
}

.page-contact__detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm, 8px);
  padding: var(--gap-md, 16px);
  border-left: 2px solid var(--_gold);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 0 var(--_radius) var(--_radius) 0;
  transition: background var(--transition-base, 0.35s ease), border-color var(--transition-base, 0.35s ease);
  cursor: default;
}

.page-contact__detail-item[data-clipboard] {
  cursor: copy;
}

.page-contact__detail-item[data-clipboard]:hover,
.page-contact__detail-item[data-clipboard]:focus-visible {
  background: rgba(255, 215, 0, 0.08);
  border-left-color: var(--_gold);
  outline: none;
}

.page-contact__detail-item[data-clipboard]:focus-visible {
  box-shadow: 0 0 0 2px var(--_gold);
}

.page-contact__detail-label {
  display: flex;
  align-items: center;
  gap: var(--gap-sm, 8px);
  font-family: var(--_font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--_gold);
  margin: 0;
}

.page-contact__icon-svg {
  flex-shrink: 0;
  color: var(--_gold);
}

.page-contact__detail-value {
  font-family: var(--_font-body);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--_text-light);
  margin: 0;
  word-break: break-all;
}

/* ---------- 服务承诺卡片 ---------- */
.page-contact__promise {
  margin: var(--gap-lg, 32px) 0;
  padding: var(--gap-md, 16px) var(--gap-lg, 32px);
  background: var(--_red);
  border-radius: var(--_radius);
  border-left: 4px solid var(--_gold);
  box-shadow: 0 4px 16px rgba(139, 0, 0, 0.3);
}

.page-contact__promise-heading {
  font-family: var(--_font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--_gold);
  margin: 0 0 var(--gap-sm, 8px);
}

.page-contact__promise-text {
  font-family: var(--_font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--_text-light);
  margin: 0;
}

/* ---------- 地址地图 ---------- */
.page-contact__map-figure {
  margin: var(--gap-lg, 32px) 0;
  border: var(--border-thin, 1px solid rgba(255, 215, 0, 0.25));
  border-radius: var(--_radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.page-contact__map-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 内部链接 ---------- */
.page-contact__info-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md, 16px);
  margin-top: var(--gap-lg, 32px);
  padding-top: var(--gap-md, 16px);
  border-top: 1px solid rgba(255, 215, 0, 0.15);
}

.page-contact__info-link {
  font-family: var(--_font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--_gold);
  text-decoration: none;
  padding: var(--gap-sm, 8px) var(--gap-md, 16px);
  border: 1px solid var(--_gold);
  border-radius: var(--_radius);
  transition: background var(--transition-fast, 0.2s ease), color var(--transition-fast, 0.2s ease);
}

.page-contact__info-link:hover,
.page-contact__info-link:focus-visible {
  background: var(--_gold);
  color: var(--_dark-bg);
  outline: none;
}

/* ---------- 右侧：表单区域 ---------- */
.page-contact__form-wrap {
  background: var(--_form-bg);
  color: var(--_text-dark);
  padding: var(--gap-xl, 64px) var(--gap-lg, 32px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact__form-container {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
}

.page-contact__form-heading {
  font-family: var(--_font-heading);
  font-weight: 900;
  font-size: 1.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--_info-bg);
  margin: 0 0 var(--gap-sm, 8px);
  position: relative;
  display: inline-block;
}

.page-contact__form-heading::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--_gold);
  margin-top: var(--gap-sm, 8px);
}

.page-contact__form-desc {
  font-family: var(--_font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--_text-dark);
  margin: var(--gap-md, 16px) 0 var(--gap-lg, 32px);
  opacity: 0.8;
}

/* ---------- 表单字段 ---------- */
.page-contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg, 32px);
}

.page-contact__field {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm, 8px);
}

.page-contact__label {
  font-family: var(--_font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--_info-bg);
}

.page-contact__input,
.page-contact__textarea {
  font-family: var(--_font-body);
  font-size: 1rem;
  padding: 14px 16px;
  border: 1px solid rgba(0, 51, 153, 0.2);
  border-radius: var(--_radius);
  background: #FFFFFF;
  color: var(--_text-dark);
  transition: border-color var(--transition-fast, 0.2s ease),
              box-shadow var(--transition-fast, 0.2s ease);
  width: 100%;
  box-sizing: border-box;
}

.page-contact__input::placeholder,
.page-contact__textarea::placeholder {
  color: #A0A0A0;
  font-style: italic;
  opacity: 1;
}

.page-contact__input:focus,
.page-contact__textarea:focus {
  outline: none;
  border-color: var(--_gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15), 0 0 12px rgba(255, 215, 0, 0.08);
}

.page-contact__input:user-valid,
.page-contact__textarea:user-valid {
  border-color: #2e7d32;
  background: #f1faf1;
}

.page-contact__input:user-invalid,
.page-contact__textarea:user-invalid {
  border-color: var(--_red);
  background: #fef4f4;
}

.page-contact__textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact__field-hint {
  font-family: var(--_font-mono);
  font-size: 0.7rem;
  color: #888;
  opacity: 0;
  transition: opacity var(--transition-fast, 0.2s ease);
}

.page-contact__input:focus ~ .page-contact__field-hint,
.page-contact__textarea:focus ~ .page-contact__field-hint {
  opacity: 1;
  color: var(--_gold);
}

/* ---------- 提交按钮 ---------- */
.page-contact__form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm, 8px);
  align-items: flex-start;
}

.page-contact__btn-submit {
  font-family: var(--_font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--_dark-bg);
  background: var(--_gold);
  border: 2px solid var(--_gold);
  padding: 14px 48px;
  border-radius: var(--_radius);
  cursor: pointer;
  transition: background var(--transition-base, 0.35s ease),
              transform var(--transition-base, 0.35s ease),
              box-shadow var(--transition-base, 0.35s ease);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.25);
}

.page-contact__btn-submit:hover,
.page-contact__btn-submit:focus-visible {
  background: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
  outline: none;
}

.page-contact__btn-submit:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.2);
}

.page-contact__btn-subtext {
  font-family: var(--_font-mono);
  font-size: 0.75rem;
  color: #888;
  letter-spacing: 0.5px;
}

/* ============================
   桌面增强 (≥768px)
   ============================ */
@media (min-width: 768px) {
  .page-contact__split {
    flex-direction: row;
    min-height: var(--_split-min-height);
  }

  .page-contact__info {
    flex: 0 0 45%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: var(--gap-xl, 64px) var(--gap-lg, 32px) var(--gap-xl, 64px) calc((100vw - 1280px) / 2 + var(--gap-lg, 32px));
    clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  }

  .page-contact__info-content {
    margin: 0;
    max-width: 460px;
    width: 100%;
  }

  .page-contact__form-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: var(--gap-xl, 64px) calc((100vw - 1280px) / 2 + var(--gap-lg, 32px)) var(--gap-xl, 64px) var(--gap-xl, 64px);
  }

  .page-contact__form-container {
    margin: 0;
    max-width: 500px;
  }

  .page-contact__heading {
    font-size: 2.6rem;
  }

  .page-contact__form-heading {
    font-size: 2.2rem;
  }

  .page-contact__detail-item {
    padding: var(--gap-md, 16px) var(--gap-lg, 32px);
  }
}

/* ---------- 大桌面 (≥1200px) 微调 ---------- */
@media (min-width: 1200px) {
  .page-contact__info {
    padding-left: calc((100vw - 1280px) / 2 + var(--gap-xl, 64px));
  }

  .page-contact__form-wrap {
    padding-right: calc((100vw - 1280px) / 2 + var(--gap-xl, 64px));
  }

  .page-contact__heading {
    font-size: 3rem;
  }

  .page-contact__form-heading {
    font-size: 2.5rem;
  }
}

/* ---------- 窄屏安全 (防止横向溢出) ---------- */
@media (max-width: 479px) {
  .page-contact__info {
    padding: var(--gap-lg, 32px) var(--gap-md, 16px);
    clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  }

  .page-contact__form-wrap {
    padding: var(--gap-lg, 32px) var(--gap-md, 16px);
  }

  .page-contact__heading {
    font-size: 1.6rem;
  }

  .page-contact__form-heading {
    font-size: 1.4rem;
  }

  .page-contact__btn-submit {
    width: 100%;
    text-align: center;
  }
}

/* ---------- 打印样式 ---------- */
@media print {
  .page-contact__split {
    flex-direction: row;
    min-height: auto;
  }
  .page-contact__info {
    clip-path: none;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .page-contact__info-link,
  .page-contact__btn-submit {
    text-decoration: underline;
    border: 1px solid #000;
  }
}

/* ---------- 减少运动偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact__btn-submit {
    transition: none;
  }
  .page-contact__btn-submit:hover {
    transform: none;
  }
  .page-contact__detail-item {
    transition: none;
  }
  .page-contact__input,
  .page-contact__textarea {
    transition: none;
  }
}