.page-contact {
  --c-card-r: 22px;
  --c-gap: clamp(22px, 3.4vw, 48px);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue-mist);
}
.page-contact .breadcrumbs a {
  color: var(--blue-mist);
  text-decoration: none;
  transition: color 200ms var(--ease-out);
}
.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--orange);
}
.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--white-cool);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(36px, 5vw, 68px);
}
.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--c-gap);
  align-items: start;
}
.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-size: clamp(42px, 9vw, 96px);
  font-weight: 250;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--white-cool);
}
.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--blue-mist);
  overflow-wrap: break-word;
}
.page-contact .contact-hero__figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-contact .contact-hero__panel {
  position: relative;
  padding: clamp(26px, 3.6vw, 40px);
  border: 1px solid var(--blue-line);
  border-radius: var(--c-card-r);
  background:
    linear-gradient(155deg, rgba(255, 106, 26, 0.16) 0%, rgba(255, 106, 26, 0) 46%),
    linear-gradient(180deg, var(--blue-night) 0%, var(--blue-deep) 100%);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, 0.9);
}
.page-contact .contact-host {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--blue-mist);
}
.page-contact .contact-mail {
  margin: 8px 0 20px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 23px);
  letter-spacing: 0.01em;
  color: var(--white-cool);
  overflow-wrap: anywhere;
}
.page-contact .contact-facts {
  margin: 6px 0 0;
  padding: 0;
}
.page-contact .contact-facts__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(27, 46, 99, 0.95);
}
.page-contact .contact-facts__row:last-child {
  border-bottom: 0;
}
.page-contact .contact-facts dt {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue-mist);
}
.page-contact .contact-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white-cool);
  text-align: right;
}
.page-contact .contact-lamp {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--blue-line);
}
.page-contact .status-lamp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--green-neon);
}
.page-contact .status-lamp__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-neon);
  animation: contactLampPulse 2.6s var(--ease-out) infinite;
}
@keyframes contactLampPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(76, 255, 158, 0.55);
    opacity: 1;
  }
  62% {
    box-shadow: 0 0 0 7px rgba(76, 255, 158, 0);
    opacity: 0.72;
  }
}

/* ---------- 通用章节标题 ---------- */
.page-contact .section-head {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: clamp(26px, 3.6vw, 44px);
}
.page-contact .section-head__index {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-contact .section-head__title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white-cool);
}
.page-contact .section-head__lead {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--blue-mist);
}

/* ---------- 01 通道选择 ---------- */
.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .route-card {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--blue-line);
  border-radius: var(--c-card-r);
  background: linear-gradient(180deg, rgba(16, 31, 69, 0.95), rgba(10, 22, 51, 0.95));
  transition: transform 280ms var(--ease-out), border-color 280ms var(--ease-out);
}
.page-contact .route-card::before {
  content: "";
  position: absolute;
  left: clamp(22px, 3vw, 32px);
  bottom: 0;
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 106, 26, 0));
}
.page-contact .route-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 26, 0.55);
}
.page-contact .route-card__idx {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--orange);
}
.page-contact .route-card__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white-cool);
}
.page-contact .route-card__text {
  margin: 0 0 20px;
  max-width: 40ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--blue-mist);
}
.page-contact .route-card__meta {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--blue-line);
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--white-cool);
}
.page-contact .route-card__meta li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.page-contact .route-card__meta li span {
  flex: 0 0 auto;
  min-width: 64px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-mist);
}

/* ---------- 02 客服通道 ---------- */
.page-contact .desk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--c-gap);
  align-items: start;
}
.page-contact .desk-card {
  padding: 20px 22px;
  border: 1px solid var(--blue-line);
  border-radius: 16px;
  background: rgba(16, 31, 69, 0.55);
  transition: border-color 240ms var(--ease-out);
}
.page-contact .desk-card + .desk-card {
  margin-top: 14px;
}
.page-contact .desk-card:hover {
  border-color: rgba(255, 106, 26, 0.45);
}
.page-contact .desk-card__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue-mist);
}
.page-contact .desk-card__val {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  color: var(--white-cool);
  overflow-wrap: anywhere;
}
.page-contact .desk-card--addr .desk-card__val {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.8vw, 18px);
  letter-spacing: 0.01em;
}
.page-contact .desk-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--blue-mist);
}

/* ---------- 03 准备清单 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 780px;
}
.page-contact .prep-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--blue-line);
  border-radius: 14px;
  background: rgba(16, 31, 69, 0.5);
  transition: border-color 240ms var(--ease-out);
}
.page-contact .prep-item:hover {
  border-color: rgba(143, 166, 216, 0.5);
}
.page-contact .prep-item__box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--blue-mist);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  transition: background 180ms var(--ease-out), border-color 180ms var(--ease-out);
}
.page-contact .prep-item__box:checked {
  background: var(--orange);
  border-color: var(--orange);
}
.page-contact .prep-item__box:checked::after {
  content: "";
  display: block;
  width: 4px;
  height: 8px;
  margin: 1px auto 0;
  border: solid var(--blue-deep);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}
.page-contact .prep-item__box:focus-visible {
  outline: 2px solid var(--orange-soft);
  outline-offset: 3px;
}
.page-contact .prep-item__label {
  display: block;
  cursor: pointer;
  transition: opacity 220ms var(--ease-out);
}
.page-contact .prep-item__box:checked + .prep-item__label {
  opacity: 0.42;
}
.page-contact .prep-item__title {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white-cool);
}
.page-contact .prep-item__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--blue-mist);
}

/* ---------- 04 合作方向 ---------- */
.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .coop-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--blue-line);
}
.page-contact .coop-item:last-of-type {
  border-bottom: 1px solid var(--blue-line);
}
.page-contact .coop-item__no {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-contact .coop-item__title {
  margin: 0 0 9px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  color: var(--white-cool);
}
.page-contact .coop-item__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--blue-mist);
}
.page-contact .coop-foot {
  margin: 24px 0 0;
  font-size: 13.5px;
  color: var(--white-cool);
}

/* ---------- 05 到访与寄送 ---------- */
.page-contact .contact-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-top: clamp(26px, 3.4vw, 40px);
  border-top: 1px solid var(--blue-line);
}
.page-contact .contact-visit__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white-cool);
}
.page-contact .contact-visit__body p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--blue-mist);
}
.page-contact .contact-visit__body p:last-child {
  margin-bottom: 0;
}
.page-contact .contact-visit__body a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 26, 0.4);
  transition: color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
.page-contact .contact-visit__body a:hover,
.page-contact .contact-visit__body a:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-contact .coop-item {
    grid-template-columns: 60px 1fr;
  }
  .page-contact .coop-foot {
    padding-left: 60px;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: clamp(36px, 5vw, 72px);
  }
  .page-contact .contact-hero__panel {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }
  .page-contact .route-list {
    grid-template-columns: repeat(12, 1fr);
    column-gap: 24px;
    row-gap: 0;
  }
  .page-contact .route-card--a {
    grid-column: 1 / span 7;
    grid-row: 1;
  }
  .page-contact .route-card--b {
    grid-column: 4 / span 6;
    grid-row: 2;
    margin-top: -18px;
  }
  .page-contact .route-card--c {
    grid-column: 7 / span 5;
    grid-row: 3;
    margin-top: -18px;
  }
  .page-contact .desk-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(28px, 4vw, 56px);
  }
  .page-contact .contact-visit__grid {
    grid-template-columns: 0.78fr 1.22fr;
    gap: var(--c-gap);
  }
}

@media (min-width: 1240px) {
  .page-contact .route-card--a {
    grid-column: 1 / span 7;
  }
  .page-contact .route-card--b {
    grid-column: 4 / span 6;
  }
  .page-contact .route-card--c {
    grid-column: 7 / span 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .status-lamp__dot {
    animation: none;
  }
  .page-contact .route-card,
  .page-contact .desk-card,
  .page-contact .prep-item,
  .page-contact .prep-item__label,
  .page-contact .prep-item__box {
    transition: none;
  }
  .page-contact .route-card:hover {
    transform: none;
  }
}