.page-contact {
  --contact-narrow: 720px;
  --contact-gap: clamp(16px, 2.2vw, 26px);
  --contact-rule: rgba(169, 196, 212, 0.4);
  --contact-cell: rgba(169, 196, 212, 0.14);
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding: 18px 0 0;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  padding: clamp(30px, 4.6vw, 58px) 0 clamp(42px, 6vw, 78px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--contact-cell) 1px, transparent 1px),
    linear-gradient(to bottom, var(--contact-cell) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(125% 95% at 12% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(125% 95% at 12% 0%, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
  align-items: end;
}

.page-contact .contact-hero__intro h1 {
  margin: 14px 0 0;
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 16ch;
  color: var(--white);
}

.page-contact .contact-hero__intro .lede {
  margin-top: 18px;
  color: rgba(227, 239, 246, 0.86);
  font-size: var(--fs-body);
  line-height: 1.75;
  max-width: 58ch;
}

/* 状态面板 */
.page-contact .status-panel {
  position: relative;
  border: 1px solid rgba(169, 196, 212, 0.34);
  background: rgba(10, 51, 80, 0.55);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 26px);
  backdrop-filter: blur(2px);
}

.page-contact .status-panel::before,
.page-contact .status-panel::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 0 solid var(--coral-500);
}

.page-contact .status-panel::before {
  top: 0;
  left: 0;
  border-top-width: 2px;
  border-left-width: 2px;
}

.page-contact .status-panel::after {
  right: 0;
  bottom: 0;
  border-right-width: 2px;
  border-bottom-width: 2px;
}

.page-contact .status-panel__title {
  margin: 0 0 10px;
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--line);
}

.page-contact .status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(169, 196, 212, 0.26);
}

.page-contact .status-row:last-of-type {
  border-bottom: 0;
}

.page-contact .status-row__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  color: rgba(227, 239, 246, 0.92);
}

.page-contact .status-row__val {
  font-size: var(--fs-mono);
  letter-spacing: 0.05em;
  color: var(--coral-200);
}

.page-contact .status-panel__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(169, 196, 212, 0.22);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(227, 239, 246, 0.72);
}

.page-contact .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-contact .dot--palm {
  background: var(--palm-500);
  box-shadow: 0 0 0 3px rgba(46, 156, 124, 0.22);
}

.page-contact .dot--coral {
  background: var(--coral-500);
  box-shadow: 0 0 0 3px rgba(255, 106, 69, 0.22);
}

.page-contact .dot--ink {
  background: var(--line);
  box-shadow: 0 0 0 3px rgba(169, 196, 212, 0.2);
}

/* 章节标题 */
.page-contact .chapter {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .chapter__index {
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--coral-600);
  margin: 0 0 10px;
}

.page-contact .chapter__title {
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ink-700);
  margin: 0;
}

.page-contact .chapter__line {
  display: block;
  width: 56px;
  height: 2px;
  background: var(--coral-500);
  margin-top: 16px;
}

.page-contact .chapter--light .chapter__title {
  color: var(--white);
}

.page-contact .chapter--light .chapter__index {
  color: var(--coral-200);
}

/* 渠道卡 */
.page-contact .contact-channels {
  background: var(--white);
}

.page-contact .channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2.5vw, 28px);
  background: var(--sand);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--ink-500);
  border-radius: var(--radius);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--ink-700);
  letter-spacing: -0.01em;
}

.page-contact .channel-card__time {
  align-self: flex-start;
  margin: 0;
  padding: 4px 9px;
  font-size: var(--fs-mono);
  letter-spacing: 0.05em;
  color: var(--ink-500);
  background: var(--mist-100);
  border-radius: var(--radius-sm);
}

.page-contact .channel-card__text {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--text);
}

.page-contact .channel-card__more {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-contact .channel-card__link {
  margin-top: auto;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--coral-600);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 69, 0.35);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-contact .channel-card__link:hover,
.page-contact .channel-card__link:focus-visible {
  color: var(--ink-500);
  border-bottom-color: var(--ink-500);
}

.page-contact .channel-card__link:focus-visible,
.page-contact .check-item__link:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 3px;
}

/* 客服场景图 */
.page-contact .contact-photo {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-contact .contact-photo .figure__media {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--mist-100);
}

.page-contact .contact-photo .figure__cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-500);
  letter-spacing: 0.02em;
}

/* 邮件书写区 */
.page-contact .contact-mail {
  background: var(--sand);
}

.page-contact .narrow {
  max-width: var(--contact-narrow);
  margin: 0 auto;
}

.page-contact .mail-lede {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--text);
}

.page-contact .mail-brief {
  margin: clamp(22px, 3vw, 32px) 0;
  padding: 6px 20px 6px 24px;
  background: var(--white);
  border-left: 3px solid var(--coral-500);
  border-radius: 0 var(--radius) var(--radius) 0;
}

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

.page-contact .mail-list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--text);
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .mail-list li:last-child {
  border-bottom: 0;
}

.page-contact .mail-list .mono {
  flex: 0 0 auto;
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--coral-600);
}

.page-contact .mail-tip {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .mail-cta {
  margin: clamp(24px, 3vw, 34px) 0 0;
}

/* 团队账户 */
.page-contact .team-zone {
  background: var(--ink-700);
  color: var(--mist-100);
}

.page-contact .team-zone .chapter__title {
  color: var(--white);
}

.page-contact .team-zone .chapter__index {
  color: var(--coral-200);
}

.page-contact .team-zone .chapter__line {
  background: var(--coral-500);
}

.page-contact .team-zone__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .team-zone__text {
  margin: 0 0 24px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: rgba(227, 239, 246, 0.86);
}

.page-contact .team-zone__panel {
  padding: clamp(20px, 2.6vw, 30px);
  background: rgba(4, 26, 43, 0.42);
  border: 1px solid rgba(169, 196, 212, 0.28);
  border-radius: var(--radius);
}

.page-contact .team-zone__panel-title {
  margin: 0 0 14px;
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--coral-500);
}

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

.page-contact .team-list li {
  position: relative;
  padding: 10px 0 10px 18px;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: rgba(227, 239, 246, 0.9);
  border-bottom: 1px dashed rgba(169, 196, 212, 0.24);
}

.page-contact .team-list li:last-child {
  border-bottom: 0;
}

.page-contact .team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 6px;
  height: 6px;
  background: var(--coral-500);
  transform: rotate(45deg);
}

.page-contact .team-zone__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(227, 239, 246, 0.66);
}

/* 自查 */
.page-contact .contact-selfcheck .checklist {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .check-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 24px) 0 0;
  border-top: 2px solid var(--ink-500);
}

.page-contact .check-item__idx {
  margin: 0;
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  color: var(--coral-600);
}

.page-contact .check-item__title {
  margin: 0;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--ink-700);
  letter-spacing: -0.01em;
}

.page-contact .check-item__text {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--text);
}

.page-contact .check-item__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-contact .check-item__link:hover {
  color: var(--coral-600);
  border-bottom-color: var(--coral-500);
}

/* 联系信息 */
.page-contact .contact-info {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--mist-100);
}

.page-contact .contact-info__bg {
  position: absolute;
  inset: 0;
}

.page-contact .contact-info__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.3;
}

.page-contact .contact-info::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(4, 26, 43, 0.94) 0%, rgba(4, 26, 43, 0.6) 62%, rgba(4, 26, 43, 0.34) 100%);
  pointer-events: none;
}

.page-contact .contact-info__inner {
  position: relative;
  z-index: 1;
  padding: clamp(48px, 6.5vw, 86px) 0;
}

.page-contact .info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 880px;
}

.page-contact .info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px dashed rgba(169, 196, 212, 0.3);
}

.page-contact .info-row__label {
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--coral-500);
}

.page-contact .info-row__value {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--white);
  word-break: break-word;
}

.page-contact .info-row__note {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(227, 239, 246, 0.68);
}

.page-contact .contact-info__foot {
  margin: clamp(24px, 3vw, 32px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(227, 239, 246, 0.7);
}

/* 媒体查询 */
@media (min-width: 700px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .info-row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 22px;
  }

  .page-contact .info-row__note {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .team-zone__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-contact .channel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
  }

  .page-contact .channel-card__more {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    border-top-color: transparent;
    overflow: hidden;
    transition: max-height 0.3s var(--ease), opacity 0.22s var(--ease), padding-top 0.3s var(--ease);
  }

  .page-contact .channel-card:hover .channel-card__more {
    max-height: 200px;
    opacity: 1;
    padding-top: 12px;
    border-top-color: var(--line-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__more {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}