.page-contact {
  --contact-card-gap: 1rem;
  position: relative;
  isolation: isolate;
  padding-bottom: 4.5rem;
  background-image: radial-gradient(circle, rgba(0, 255, 159, 0.055) 1px, transparent 1.6px);
  background-size: 28px 28px;
}

/* 首屏英雄区 */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 2.5rem) 0 1.8rem;
  border-bottom: 1px solid var(--border-color);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -4%;
  top: -14%;
  width: 46%;
  height: 130%;
  z-index: -1;
  background: repeating-linear-gradient(-38deg, transparent 0, transparent 20px, rgba(42, 53, 80, 0.42) 20px, rgba(42, 53, 80, 0.42) 21px);
  clip-path: polygon(20% 0, 100% 0, 78% 100%, 0 100%);
  opacity: 0.75;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  margin-bottom: 1.75rem;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 1.75rem;
}

.page-contact .contact-hero__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1rem;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: 'DIN Condensed', 'Oswald', 'Arial Black', 'Noto Sans SC', sans-serif;
  font-size: clamp(2.7rem, 7vw, 4.8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  transform: skewX(-8deg);
  color: var(--text-primary);
}

.page-contact .contact-hero__cn {
  display: inline-block;
  font-style: normal;
  font-size: 0.42em;
  line-height: 1;
  vertical-align: 0.85em;
  margin-left: 0.14em;
  letter-spacing: 0.04em;
  color: var(--accent-green);
}

.page-contact .contact-hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-sm);
  background: var(--accent-orange);
  color: var(--bg-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  transform: skewX(-10deg);
  box-shadow: 0 0 0 1px rgba(255, 107, 53, 0.4);
}

.page-contact .contact-hero__badge > span {
  display: inline-block;
  transform: skewX(10deg);
}

.page-contact .contact-hero__lead {
  margin: 0.9rem 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 600;
  color: var(--text-secondary);
}

.page-contact .contact-hero__desc {
  max-width: 44em;
  margin: 0.6rem 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .contact-hero__desc a {
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-hero__desc a:hover {
  color: var(--accent-blue);
}

.page-contact .contact-hero__status-wrap {
  position: relative;
}

.page-contact .contact-hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.9rem;
  max-width: 380px;
  padding: 1.05rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-green);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.page-contact .contact-hero__status-label {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--accent-green);
}

.page-contact .contact-hero__sync {
  flex-basis: 100%;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.page-contact .contact-hero__pulse {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 22px;
  margin-top: 1rem;
  padding-left: 1.25rem;
}

.page-contact .contact-hero__pulse i {
  display: block;
  width: 3px;
  height: 6px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent-orange), var(--accent-green));
  opacity: 0.5;
  transform-origin: bottom;
  animation: contact-pulse 1.35s ease-in-out infinite alternate;
}

.page-contact .contact-hero__pulse i:nth-child(2) { height: 12px; animation-delay: 0.12s; }
.page-contact .contact-hero__pulse i:nth-child(3) { height: 9px; animation-delay: 0.24s; }
.page-contact .contact-hero__pulse i:nth-child(4) { height: 17px; animation-delay: 0.36s; }
.page-contact .contact-hero__pulse i:nth-child(5) { height: 11px; animation-delay: 0.48s; }
.page-contact .contact-hero__pulse i:nth-child(6) { height: 14px; animation-delay: 0.6s; }
.page-contact .contact-hero__pulse i:nth-child(7) { height: 7px; animation-delay: 0.72s; }

@keyframes contact-pulse {
  from { transform: scaleY(0.5); opacity: 0.3; }
  to { transform: scaleY(1.5); opacity: 0.9; }
}

/* 左右分屏 */
.page-contact .contact-split {
  position: relative;
  display: grid;
  gap: 2.5rem;
  padding-top: 2.5rem;
  overflow: hidden;
}

.page-contact .contact-split::before {
  content: "";
  position: absolute;
  top: 12%;
  left: -7%;
  width: 200px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
  transform: rotate(-16deg);
  opacity: 0.5;
  pointer-events: none;
  animation: contact-flow 4.2s ease-in-out infinite alternate;
}

@keyframes contact-flow {
  from { transform: translateX(-16px) rotate(-16deg); opacity: 0.2; }
  to { transform: translateX(16px) rotate(-16deg); opacity: 0.65; }
}

.page-contact .contact-split__aside,
.page-contact .contact-split__main {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-contact .contact-split__aside {
  display: grid;
  gap: 2.5rem;
  align-content: start;
}

.page-contact .contact-split__main {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

/* 章节头 */
.page-contact .contact-section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.page-contact .contact-section-index {
  flex-shrink: 0;
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-orange);
  transform: skewX(-10deg);
}

.page-contact .contact-section-head h2 {
  margin: 0;
  font-family: 'DIN Condensed', 'Oswald', 'Arial Black', 'Noto Sans SC', sans-serif;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  transform: skewX(-8deg);
  color: var(--text-primary);
}

.page-contact .contact-section-note {
  margin: 0 0 1.25rem;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* 联系卡片 */
.page-contact .contact-card {
  display: flex;
  gap: var(--contact-card-gap);
  align-items: flex-start;
  margin-bottom: 1rem;
  padding: 1.2rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(0, 255, 159, 0.5);
  box-shadow: var(--shadow-md), var(--shadow-glow-green);
}

.page-contact .contact-card--lead {
  flex-direction: column;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.page-contact .contact-card--lead .contact-card__img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--border-color);
  transition: transform var(--dur) var(--ease);
}

.page-contact .contact-card--lead:hover .contact-card__img {
  transform: scale(1.02);
}

.page-contact .contact-card--lead .contact-card__body {
  padding: 1.2rem;
}

.page-contact .contact-card__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.35);
  color: var(--accent-orange);
  transform: skewX(-10deg);
}

.page-contact .contact-card__body {
  flex: 1;
  min-width: 0;
}

.page-contact .contact-card__title {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.page-contact .contact-card__value {
  display: block;
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-primary);
  word-break: break-all;
}

.page-contact .contact-card__value--link {
  color: var(--accent-green);
  text-decoration: none;
}

.page-contact .contact-card__value--link:hover {
  color: var(--accent-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-card__note {
  margin: 0.5rem 0 0;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* 咨询口径提示 */
.page-contact .contact-kw {
  margin-top: 1.25rem;
  padding: 1.1rem 1.25rem;
  background: rgba(74, 107, 232, 0.08);
  border: 1px dashed rgba(74, 107, 232, 0.42);
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius-md);
}

.page-contact .contact-kw__title {
  margin: 0 0 0.6rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-contact .contact-kw__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-kw__list li {
  position: relative;
  padding: 0.32rem 0 0.32rem 1.1rem;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.page-contact .contact-kw__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 3px;
  background: var(--accent-blue);
  transform: skewX(-30deg);
}

/* 咨询场景 */
.page-contact .contact-scenario__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-scenario__list li {
  position: relative;
  margin-bottom: 0.9rem;
  padding: 1.15rem 1.2rem 1.15rem 1.4rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-orange);
  border-radius: var(--radius-md);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-scenario__list li:hover {
  border-left-color: var(--accent-green);
  transform: translateX(3px);
}

.page-contact .contact-scenario__list h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-contact .contact-scenario__list p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-contact .contact-scenario__tag {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 159, 0.09);
  border: 1px solid rgba(0, 255, 159, 0.28);
  color: var(--accent-green);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* 反馈处理流程 */
.page-contact .contact-process__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: contact-step;
}

.page-contact .contact-process__steps li {
  counter-increment: contact-step;
  position: relative;
  margin-bottom: 0.7rem;
  padding: 0.9rem 1rem 0.9rem 3.2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .contact-process__steps li::before {
  content: counter(contact-step, decimal-leading-zero);
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.page-contact .contact-process__steps li:hover {
  border-color: rgba(0, 255, 159, 0.4);
}

.page-contact .contact-process__links {
  margin: 1.1rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .contact-process__links a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-process__links a:hover {
  color: var(--accent-green);
}

/* 表单面板 */
.page-contact .contact-form-panel {
  position: relative;
  padding: clamp(1.4rem, 3.6vw, 2.4rem);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.page-contact .contact-form-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 38%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-green));
  transform: skewX(-28deg);
  transform-origin: left top;
}

/* 数据条 */
.page-contact .contact-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-stats li {
  padding: 0.8rem 0.25rem 0.7rem;
  text-align: center;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-stats li:hover {
  border-color: rgba(0, 255, 159, 0.45);
  transform: translateY(-2px);
}

.page-contact .contact-stats .num {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--accent-green);
}

.page-contact .contact-stats__label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  line-height: 1.35;
  color: var(--text-secondary);
}

.page-contact .contact-stats__note {
  margin: 0.7rem 0 0;
  padding-left: 0.75rem;
  border-left: 2px solid var(--accent-blue);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* 表单域 */
.page-contact .contact-form {
  margin-top: 1.5rem;
}

.page-contact .contact-form__grid {
  display: grid;
  gap: 1.35rem 1rem;
}

.page-contact .field {
  position: relative;
}

.page-contact .field__label {
  position: absolute;
  top: 50%;
  left: 1.05rem;
  z-index: 2;
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  font-size: 0.92rem;
  line-height: 1.2;
  color: var(--text-secondary);
  pointer-events: none;
  transition: top var(--dur) var(--ease), transform var(--dur) var(--ease), color var(--dur) var(--ease), font-size var(--dur) var(--ease);
}

.page-contact .field__input {
  width: 100%;
  padding: 1.55rem 1.05rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-size: 0.95rem;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .field__input::placeholder {
  color: transparent;
  transition: color var(--dur) var(--ease);
}

.page-contact .field__input:focus {
  outline: none;
  border-color: var(--accent-green);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 3px rgba(0, 255, 159, 0.12), var(--shadow-glow-green);
}

.page-contact .field__input:focus::placeholder {
  color: var(--text-muted);
}

.page-contact .field__input:focus + .field__label,
.page-contact .field__input:not(:placeholder-shown) + .field__label {
  top: 0;
  transform: translateY(-50%) scale(0.82);
  color: var(--accent-green);
}

.page-contact .field--textarea .field__label {
  top: 1.4rem;
  transform: none;
}

.page-contact .field__textarea {
  min-height: 132px;
  line-height: 1.6;
  resize: vertical;
}

.page-contact .field--select .field__label {
  top: 0;
  transform: translateY(-50%) scale(0.82);
  color: var(--text-secondary);
}

.page-contact .field--select:focus-within .field__label {
  color: var(--accent-green);
}

.page-contact .field--select::after {
  content: "";
  position: absolute;
  right: 1.15rem;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .field--select:focus-within::after {
  border-color: var(--accent-green);
}

.page-contact .field__select {
  cursor: pointer;
  padding-right: 2.4rem;
}

.page-contact .contact-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-contact .contact-form .btn {
  min-width: 136px;
}

.page-contact .contact-form__hint {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* 地图占位 */
.page-contact .contact-map {
  margin: 0;
  padding: 0.9rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.page-contact .contact-map img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-contact .contact-map figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 0.25rem 0.3rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.page-contact .contact-map__tag {
  flex-shrink: 0;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 159, 0.09);
  border: 1px solid rgba(0, 255, 159, 0.28);
  color: var(--accent-green);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* 焦点可见性 */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact select:focus-visible,
.page-contact textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* 响应式 */
@media (min-width: 480px) {
  .page-contact .contact-stats {
    gap: 0.6rem;
  }

  .page-contact .contact-stats li {
    padding: 0.85rem 0.4rem 0.8rem;
  }

  .page-contact .contact-stats .num {
    font-size: 1.25rem;
  }
}

@media (min-width: 560px) {
  .page-contact .contact-form__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2.5rem;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 3rem;
    align-items: start;
  }
}