/* ============ 联系通道：页面专属样式 ============ */
.page-contact {
  --contact-dark-pad: clamp(32px, 5vw, 64px);
  --contact-border-dim: rgba(255, 255, 255, 0.14);
  --contact-text-dim: rgba(245, 245, 240, 0.6);
}

/* 面包屑 */
.page-contact .contact-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--gray-600);
}
.page-contact .contact-breadcrumb a {
  color: var(--gray-600);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-contact .contact-breadcrumb a:hover {
  color: var(--brand-orange);
}

/* 首屏海报区 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 80px) 0 clamp(48px, 8vw, 96px);
  background: var(--paper-white);
}
.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.14;
  pointer-events: none;
}
.page-contact .contact-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 900px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(48px, 8vw, 96px);
  }
}
.page-contact .contact-hero-title {
  max-width: 720px;
}
.page-contact .contact-hero-title .page-title {
  margin: 0 0 24px;
  font-family: var(--font-head);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink-black);
}
.page-contact .contact-hero-title .page-lead {
  max-width: 500px;
  margin: 0;
  padding-left: 22px;
  border-left: 4px solid var(--brand-orange);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--gray-600);
}
.page-contact .contact-hero-quick {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 24px 24px 18px;
  box-shadow: 8px 8px 0 rgba(10, 10, 10, 0.06);
}
.page-contact .contact-quick-head {
  display: flex;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 12px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--gray-600);
}
.page-contact .contact-quick-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 10px;
  background: var(--brand-orange);
  box-shadow: 0 0 0 4px rgba(255, 75, 43, 0.16);
}
.page-contact .contact-quick-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--gray-200);
}
.page-contact .contact-quick-row:last-child {
  border-bottom: 0;
}
.page-contact .contact-quick-label {
  flex: 0 0 48px;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--brand-orange);
}
.page-contact .contact-quick-value {
  flex: 1;
  min-width: 0;
  word-break: break-all;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ink-black);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-contact .contact-quick-value:hover {
  color: var(--brand-orange);
}

/* 官方联系通道：左右分割 */
.page-contact .contact-channels {
  background: var(--paper-white);
}
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}
.page-contact .contact-split-dark {
  position: relative;
  background: var(--ink-black);
  color: var(--paper-white);
  padding: var(--contact-dark-pad);
}
.page-contact .contact-split-dark::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 0;
  height: 0;
  border-bottom: 42px solid var(--brand-orange);
  border-left: 42px solid transparent;
}
.page-contact .contact-split-light {
  position: relative;
  background: var(--paper-white);
  padding: var(--contact-dark-pad);
  border-top: 1px solid var(--gray-200);
}
@media (min-width: 960px) {
  .page-contact .contact-split-light {
    border-top: 0;
    border-left: 1px solid var(--gray-200);
  }
}
.page-contact .contact-split-dark .section-label {
  color: var(--contact-text-dim);
}
.page-contact .contact-split-dark .section-label-index,
.page-contact .contact-split-light .section-label-index {
  color: var(--brand-orange);
}
.page-contact .contact-split-dark h2 {
  margin: 12px 0 20px;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--paper-white);
}
.page-contact .contact-split-light h2 {
  margin: 12px 0 20px;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--ink-black);
}
.page-contact .contact-dark-intro {
  margin-bottom: 28px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--contact-text-dim);
}

/* 信号灯联系卡片 */
.page-contact .contact-card {
  position: relative;
  margin-top: 18px;
  padding: 28px 32px 24px 44px;
  background: var(--gray-900);
  border: 1px solid var(--contact-border-dim);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-contact .contact-card:hover {
  border-color: var(--brand-orange);
  transform: translateY(-2px);
}
.page-contact .contact-card-tag {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  writing-mode: vertical-rl;
  background: var(--brand-orange);
  color: #fff;
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  font-weight: 700;
  padding: 10px 7px;
}
.page-contact .contact-card .status-dot {
  position: absolute;
  left: 18px;
  top: 34px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-orange);
  box-shadow: 0 0 0 4px rgba(255, 75, 43, 0.18);
  transition: box-shadow 0.25s var(--ease);
}
.page-contact .contact-card:hover .status-dot {
  box-shadow: 0 0 0 8px rgba(255, 75, 43, 0.22);
}
.page-contact .contact-card-caption {
  display: block;
  margin-bottom: 8px;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--contact-text-dim);
}
.page-contact .contact-card-value {
  display: block;
  margin: 0;
  word-break: break-all;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-contact .contact-card-value:hover {
  color: var(--bright-yellow);
}
.page-contact .contact-addr-note {
  margin-top: 20px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgba(245, 245, 240, 0.5);
}

/* 服务状态指标 */
.page-contact .contact-metrics {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-contact .contact-metric {
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 18px;
}
.page-contact .contact-metric:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .contact-metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink-black);
}
.page-contact .contact-metric--accent .contact-metric-num {
  color: var(--brand-orange);
}
.page-contact .contact-metric-label {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gray-600);
}
.page-contact .contact-light-note {
  margin: 28px 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--gray-600);
}
.page-contact .contact-status-rail {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  background: var(--white);
}
.page-contact .contact-status-rail .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-orange);
  box-shadow: 0 0 0 3px rgba(255, 75, 43, 0.2);
}
.page-contact .contact-status-rail .mono {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--gray-600);
}

/* 支持邮箱 */
.page-contact .contact-support {
  background: var(--deep-blue);
  color: var(--white);
  padding: clamp(48px, 8vw, 96px) 0;
}
.page-contact .contact-support .section-label--light {
  color: rgba(255, 255, 255, 0.55);
}
.page-contact .contact-support .section-label--light .section-label-index {
  color: var(--bright-yellow);
}
.page-contact .contact-support h2 {
  margin: 12px 0 24px;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--white);
}
.page-contact .contact-support-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}
@media (min-width: 860px) {
  .page-contact .contact-support-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: clamp(48px, 8vw, 96px);
  }
}
.page-contact .contact-support-lead {
  margin: 0 0 10px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
}
.page-contact .contact-support-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  word-break: break-all;
  color: var(--bright-yellow);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 213, 0, 0.3);
  padding-bottom: 6px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.page-contact .contact-support-mail:hover {
  color: var(--white);
  border-color: var(--bright-yellow);
}
.page-contact .contact-support-note {
  max-width: 480px;
  margin: 24px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}
.page-contact .contact-support-figure {
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.05);
}
.page-contact .contact-support-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* 提交反馈 */
.page-contact .contact-feedback {
  background: var(--paper-white);
  padding: clamp(56px, 9vw, 112px) 0;
}
.page-contact .contact-feedback-head {
  max-width: 680px;
  margin-bottom: 40px;
}
.page-contact .contact-feedback-head h2 {
  margin: 12px 0 16px;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--ink-black);
}
.page-contact .contact-feedback-head p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--gray-600);
}
.page-contact .contact-feedback-board {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--white);
  border: 1px solid var(--gray-200);
}
@media (min-width: 820px) {
  .page-contact .contact-feedback-board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-contact .contact-feedback-field {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-contact .contact-feedback-field:hover {
  border-color: var(--brand-orange);
  transform: translateY(-2px);
}
.page-contact .contact-field-caption {
  margin-bottom: 14px;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand-orange);
}
.page-contact .contact-field-body {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--gray-600);
}
.page-contact .contact-field-body a {
  font-weight: 700;
  word-break: break-all;
  color: var(--ink-black);
  text-decoration: underline;
  text-decoration-color: var(--brand-orange);
  text-underline-offset: 3px;
}
.page-contact .contact-field-body a:hover {
  color: var(--brand-orange);
}
.page-contact .contact-feedback-action {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding: 8px 0 0;
}
.page-contact .contact-feedback-action .mono {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--gray-600);
}

/* 社区与帮助 */
.page-contact .contact-community {
  background: var(--ink-black);
  color: var(--paper-white);
  padding: clamp(56px, 9vw, 112px) 0;
}
.page-contact .contact-community .section-label--light {
  color: rgba(245, 245, 240, 0.5);
}
.page-contact .contact-community .section-label--light .section-label-index {
  color: var(--bright-yellow);
}
.page-contact .contact-community-grid {
  display: grid;
  gap: 48px;
}
@media (min-width: 860px) {
  .page-contact .contact-community-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(48px, 8vw, 96px);
  }
}
.page-contact .contact-community h2 {
  margin: 12px 0 20px;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--paper-white);
}
.page-contact .contact-community-intro p {
  max-width: 520px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(245, 245, 240, 0.75);
}
.page-contact .contact-community-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}
.page-contact .contact-community-actions .btn-outline {
  border: 1px solid var(--paper-white);
  color: var(--paper-white);
  background: transparent;
}
.page-contact .contact-community-actions .btn-outline:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
}
.page-contact .contact-community-actions .btn-yellow {
  border: 1px solid var(--bright-yellow);
  background: var(--bright-yellow);
  color: var(--ink-black);
}
.page-contact .contact-community-actions .btn-yellow:hover {
  background: transparent;
  color: var(--bright-yellow);
}
.page-contact .contact-community-list h3 {
  margin: 0 0 16px;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--bright-yellow);
}
.page-contact .contact-community-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.page-contact .contact-community-list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}
.page-contact .contact-community-list a {
  position: relative;
  display: block;
  padding: 18px 4px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--paper-white);
  text-decoration: none;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}
.page-contact .contact-community-list a::after {
  content: "";
  position: absolute;
  left: 4px;
  bottom: 10px;
  width: 0;
  height: 2px;
  background: var(--brand-orange);
  transition: width 0.3s var(--ease);
}
.page-contact .contact-community-list a:hover {
  color: var(--brand-orange);
  padding-left: 12px;
}
.page-contact .contact-community-list a:hover::after {
  width: calc(100% - 12px);
}

/* 信任收尾条 */
.page-contact .contact-trust {
  background: var(--bright-yellow);
  padding: 36px 0;
}
.page-contact .contact-trust-text {
  max-width: 900px;
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.1875rem);
  font-weight: 700;
  line-height: 1.7;
  color: var(--ink-black);
}