/* ===== 联系我们页 · 专属样式 ===== */
.page-contact {
  --contact-gap: 2rem;
  --contact-card-min-h: 260px;
  --contact-radius: 12px;
  --contact-border-silver: 2px solid var(--clr-silver, #C0C0C0);
  --contact-shadow-card: 0 8px 32px rgba(18, 18, 18, 0.25);
  --contact-font-head: var(--font-head, Impact, 'Arial Black', Oswald, sans-serif);
  --contact-font-body: var(--font-body, 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', sans-serif);
  --contact-pulse-color: var(--clr-accent, #FF4500);
  --contact-glow-color: var(--clr-primary, #2E8B57);
  --contact-pin-color: var(--clr-silver, #C0C0C0);

  display: block;
  color: var(--clr-text, #1A1A1A);
  font-family: var(--contact-font-body);
  line-height: 1.6;
}

/* === 首屏 Hero === */
.contact-hero {
  position: relative;
  overflow: hidden;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #0f2a1a 0%, #1a3a2a 40%, #0d1f12 100%);
}

.contact-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.3;
  pointer-events: none;
}

.contact-hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(255, 69, 0, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 70%, rgba(46, 139, 87, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.contact-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 4rem 1.5rem;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  width: 100%;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--clr-silver, #C0C0C0);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumb-link {
  color: var(--clr-silver, #C0C0C0);
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
}

.breadcrumb-link:hover {
  color: var(--clr-accent, #FF4500);
}

.breadcrumb-sep {
  color: var(--clr-silver, #C0C0C0);
  font-size: 1.2rem;
  line-height: 1;
}

.breadcrumb-current {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--clr-accent, #FF4500);
  text-underline-offset: 4px;
}

.contact-hero-title {
  font-family: var(--contact-font-head);
  font-size: clamp(3rem, 12vw, 6rem);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
  position: relative;
  display: inline-block;
}

.contact-hero-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary, #2E8B57), var(--clr-accent, #FF4500));
  border-radius: 2px;
}

.contact-hero-desc {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--clr-silver, #C0C0C0);
  margin: 1.5rem 0 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

/* === 三卡片区域 === */
.contact-cards {
  padding: 3rem 1.5rem 4rem;
  background: var(--clr-light, #F5F5F5);
  position: relative;
}

.contact-cards::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--clr-primary, #2E8B57), var(--clr-accent, #FF4500), var(--clr-silver, #C0C0C0));
}

.contact-cards-grid {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap, 2rem);
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
}

.contact-card {
  background: #fff;
  border: var(--contact-border-silver);
  border-radius: var(--contact-radius);
  padding: 2rem 1.5rem;
  min-height: var(--contact-card-min-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--contact-shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(18, 18, 18, 0.3);
}

.contact-card:focus-visible {
  outline: 3px solid var(--clr-accent, #FF4500);
  outline-offset: 4px;
}

/* 每个卡片的顶部色条 */
.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.contact-card--phone::before {
  background: var(--clr-accent, #FF4500);
}

.contact-card--email::before {
  background: var(--clr-primary, #2E8B57);
}

.contact-card--address::before {
  background: var(--clr-silver, #C0C0C0);
}

/* 图标容器 */
.contact-card-icon-wrap {
  position: relative;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  z-index: 2;
  position: relative;
}

.contact-card-icon--phone {
  color: var(--clr-accent, #FF4500);
}

.contact-card-icon--email {
  color: var(--clr-primary, #2E8B57);
}

.contact-card-icon--address {
  color: var(--clr-silver, #C0C0C0);
}

/* 电话脉冲动画 */
.contact-card-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--clr-accent, #FF4500);
  opacity: 0.3;
  animation: contact-pulse 2.2s ease-in-out infinite;
}

@keyframes contact-pulse {
  0% { transform: scale(0.85); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.1; }
  100% { transform: scale(0.85); opacity: 0.5; }
}

/* 邮箱光晕动画 */
.contact-card-glow {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 139, 87, 0.15) 0%, transparent 70%);
  animation: contact-glow 3s ease-in-out infinite alternate;
}

@keyframes contact-glow {
  0% { opacity: 0.3; transform: scale(0.9); }
  100% { opacity: 0.7; transform: scale(1.1); }
}

/* 地址图钉闪烁 */
.contact-card-pin {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--clr-silver, #C0C0C0);
  animation: contact-pin-blink 1.8s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(192, 192, 192, 0.5);
}

@keyframes contact-pin-blink {
  0%, 100% { opacity: 0.2; transform: scale(0.7); }
  50% { opacity: 0.9; transform: scale(1.1); }
}

.contact-card-label {
  font-family: var(--contact-font-head);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.5rem;
  color: var(--clr-text, #1A1A1A);
}

.contact-card-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--clr-text, #1A1A1A);
  text-decoration: none;
  display: block;
  line-height: 1.4;
}

.contact-card-value--link {
  color: var(--clr-accent, #FF4500);
  transition: color var(--transition, 0.25s ease);
}

.contact-card-value--link:hover {
  color: var(--clr-accent-light, #FF6347);
  text-decoration: underline;
}

.contact-card-sub {
  display: block;
  font-size: 0.95rem;
  color: var(--clr-primary-dark, #1E6B3F);
  margin-top: 0.2rem;
  text-decoration: none;
}

.contact-card-sub:hover {
  text-decoration: underline;
  color: var(--clr-primary, #2E8B57);
}

.contact-card-value--address {
  color: var(--clr-dark, #121212);
  font-weight: 500;
}

.contact-card-note {
  font-size: 0.85rem;
  color: #6b6b6b;
  margin-top: 0.75rem;
  line-height: 1.5;
}

.contact-card-note--warn {
  color: var(--clr-accent, #FF4500);
  font-weight: 500;
  background: rgba(255, 69, 0, 0.06);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  display: inline-block;
}

/* === 服务时间 === */
.contact-hours {
  padding: 4rem 1.5rem;
  background: var(--clr-dark, #121212);
  color: var(--clr-text-on-dark, #E0E0E0);
  position: relative;
  overflow: hidden;
}

.contact-hours::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 69, 0, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-hours-inner {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
}

.contact-hours-heading {
  font-family: var(--contact-font-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 1.5rem;
}

.contact-hours-clock {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(192, 192, 192, 0.15);
  border-radius: 60px;
  padding: 1rem 2.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.contact-hours-days {
  font-family: var(--contact-font-head);
  font-size: 1.25rem;
  color: var(--clr-silver, #C0C0C0);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-hours-range {
  font-family: var(--contact-font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-primary, #2E8B57);
  background: rgba(46, 139, 87, 0.1);
  padding: 0.2rem 1rem;
  border-radius: 40px;
  white-space: nowrap;
}

.contact-hours-note {
  font-size: 1rem;
  color: var(--clr-silver, #C0C0C0);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.contact-hours-deco {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--contact-radius);
  margin: 1rem auto 0;
  opacity: 0.25;
  mix-blend-mode: screen;
  width: 400px;
}

/* === 写信格式 === */
.contact-format {
  padding: 4rem 1.5rem;
  background: #fff;
}

.contact-format-heading {
  font-family: var(--contact-font-head);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  color: var(--clr-dark, #121212);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-align: center;
  margin: 0 0 0.5rem;
}

.contact-format-desc {
  text-align: center;
  font-size: 1.05rem;
  color: #555;
  margin-bottom: 2.5rem;
}

.contact-format-layout {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-format-card {
  background: var(--clr-light, #F5F5F5);
  border-left: 6px solid var(--clr-primary, #2E8B57);
  border-radius: var(--contact-radius);
  padding: 2rem;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.contact-format-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px dashed rgba(46, 139, 87, 0.15);
}

.contact-format-field:last-of-type {
  border-bottom: none;
}

.contact-format-field-tag {
  font-family: var(--contact-font-head);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-primary, #2E8B57);
}

.contact-format-field-example {
  font-size: 1rem;
  color: var(--clr-text, #1A1A1A);
  line-height: 1.6;
}

.contact-format-tip {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(255, 69, 0, 0.04);
  border: 1px solid rgba(255, 69, 0, 0.12);
  border-radius: var(--contact-radius);
  padding: 1.25rem 1.5rem;
}

.contact-format-tip-icon {
  flex-shrink: 0;
  color: var(--clr-accent, #FF4500);
  margin-top: 0.2rem;
}

.contact-format-tip-text {
  font-size: 0.95rem;
  color: #5a3a2a;
  margin: 0;
  line-height: 1.6;
}

/* === 预览表单 === */
.contact-form-preview {
  padding: 4rem 1.5rem;
  background: linear-gradient(180deg, #f0f5f0 0%, #fff 100%);
}

.contact-form-heading {
  font-family: var(--contact-font-head);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--clr-dark, #121212);
  text-transform: uppercase;
  text-align: center;
  margin: 0 0 0.5rem;
}

.contact-form-desc {
  text-align: center;
  font-size: 0.95rem;
  color: #666;
  margin-bottom: 2rem;
}

.contact-form-box {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  border: 2px solid var(--clr-silver, #C0C0C0);
  border-radius: var(--contact-radius);
  padding: 2rem;
  box-shadow: var(--contact-shadow-card);
}

.contact-form-group {
  margin-bottom: 1.5rem;
}

.contact-form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-text, #1A1A1A);
  margin-bottom: 0.4rem;
  font-family: var(--contact-font-body);
}

.contact-form-input,
.contact-form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--contact-font-body);
  border: 2px solid #ddd;
  border-radius: 6px;
  background: #f9f9f9;
  color: #555;
  cursor: not-allowed;
  transition: border-color var(--transition, 0.25s ease);
}

.contact-form-input:focus,
.contact-form-textarea:focus {
  outline: none;
  border-color: var(--clr-primary, #2E8B57);
}

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

.contact-form-submit {
  width: 100%;
  padding: 0.9rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--clr-primary, #2E8B57);
  color: #fff;
  border: none;
  border-radius: 6px;
  transition: none;
}

.contact-form-submit:hover {
  opacity: 0.5;
  transform: none;
}

.contact-form-footnote {
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  margin-top: 1.5rem;
}

.contact-form-link {
  color: var(--clr-accent, #FF4500);
  text-decoration: underline;
  font-weight: 500;
}

.contact-form-link:hover {
  color: var(--clr-accent-light, #FF6347);
}

/* === 帮助链接 === */
.contact-help {
  padding: 3rem 1.5rem 4rem;
  background: var(--clr-dark, #121212);
  color: var(--clr-text-on-dark, #E0E0E0);
}

.contact-help-heading {
  font-family: var(--contact-font-head);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
  color: #fff;
  margin: 0 0 2rem;
  letter-spacing: 0.03em;
}

.contact-help-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.contact-help-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--clr-silver, #C0C0C0);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;
  padding: 0.75rem 2rem;
  border: 2px solid rgba(192, 192, 192, 0.15);
  border-radius: 40px;
  transition: all var(--transition, 0.25s ease);
  width: 100%;
  justify-content: center;
}

.contact-help-link:hover {
  border-color: var(--clr-primary, #2E8B57);
  color: #fff;
  background: rgba(46, 139, 87, 0.08);
}

.contact-help-link-icon {
  flex-shrink: 0;
  color: var(--clr-accent, #FF4500);
}

.contact-help-link-text {
  font-family: var(--contact-font-body);
}

/* === 响应式：桌面 ≥ 768px === */
@media (min-width: 768px) {
  .contact-cards {
    padding: 4rem 2rem 5rem;
  }

  .contact-cards-grid {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 1.5rem;
  }

  .contact-card {
    flex: 1;
    padding: 2.5rem 1.5rem;
    min-height: 300px;
  }

  .contact-hero {
    min-height: 65vh;
  }

  .contact-hero-inner {
    padding: 6rem 2rem;
  }

  .contact-hours-clock {
    padding: 1.25rem 3rem;
    gap: 2rem;
  }

  .contact-hours-range {
    font-size: 2.4rem;
  }

  .contact-format-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
  }

  .contact-format-card {
    flex: 2;
  }

  .contact-format-tip {
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
  }

  .contact-help-links {
    flex-direction: row;
    justify-content: center;
    max-width: none;
    gap: 1.5rem;
  }

  .contact-help-link {
    width: auto;
    padding: 0.9rem 2.5rem;
  }

  .contact-form-box {
    padding: 2.5rem;
  }

  .contact-hours-deco {
    width: 500px;
  }
}

/* === 响应式：桌面 ≥ 1024px === */
@media (min-width: 1024px) {
  .contact-cards-grid {
    gap: 2rem;
  }

  .contact-card {
    padding: 3rem 2rem;
    min-height: 320px;
  }

  .contact-hero-title {
    font-size: 6rem;
  }

  .contact-hero-desc {
    font-size: 1.4rem;
  }

  .contact-hours-range {
    font-size: 2.8rem;
  }

  .contact-hours-deco {
    width: 600px;
  }
}

/* === 辅助类 === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--contact-font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition, 0.25s ease);
  text-decoration: none;
}

.btn-primary {
  background: var(--clr-primary, #2E8B57);
  color: var(--clr-text-on-green, #FFFFFF);
}

.btn-primary:hover {
  background: var(--clr-primary-dark, #1E6B3F);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 139, 57, 0.3);
}