.page-contact {
  --contact-gap: clamp(22px, 3.6vw, 46px);
  background: var(--night);
  color: var(--snow);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding: clamp(18px, 2.6vw, 30px) 0 0;
  font-size: 13px;
  color: var(--dust);
}
.page-contact .breadcrumb a {
  color: var(--dust);
  text-decoration: none;
}
.page-contact .breadcrumb a:hover {
  color: var(--snow);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(36px, 5vw, 72px);
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}
.page-contact .contact-hero .eyebrow {
  color: var(--yellow);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  margin: 0;
}
.page-contact .contact-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 14px 0 16px;
  text-wrap: balance;
}
.page-contact .contact-hero .lede {
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--dust);
  margin: 0;
}
.page-contact .contact-hero__media {
  border: var(--edge);
  box-shadow: var(--hard-lg);
}

.page-contact .contact-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: clamp(20px, 2.6vw, 30px);
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.1em;
}
.page-contact .contact-index a {
  color: var(--dust);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-contact .contact-index a:hover,
.page-contact .contact-index a[data-active] {
  color: var(--yellow);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 47fr) minmax(0, 53fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }
}

/* ---------- 直接通道 ---------- */
.page-contact .rail-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--dust);
}
.page-contact .channel-board {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 32px);
}
.page-contact .channel-card {
  border: var(--edge);
  background:
    linear-gradient(180deg, rgba(46, 125, 209, 0.14), rgba(11, 27, 51, 0) 62%),
    var(--night-2);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--hard);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
}
.page-contact .channel-card__label {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--dust);
}
.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--snow);
  overflow-wrap: anywhere;
}
.page-contact .channel-card--phone .channel-card__value {
  color: var(--yellow);
  letter-spacing: 0.06em;
}
.page-contact .channel-card__note {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border: var(--edge);
  border-radius: 999px;
  background: transparent;
  color: var(--snow);
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-contact .copy-btn:hover {
  border-color: var(--blue);
  background: rgba(46, 125, 209, 0.16);
}
.page-contact .copy-btn[data-copied] {
  border-color: var(--green);
  color: var(--green);
}
.page-contact .copy-btn__hint {
  font-size: 12px;
  color: var(--green);
  letter-spacing: 0.04em;
}

@media (min-width: 760px) {
  .page-contact .channel-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 坐标卡 ---------- */
.page-contact .coords {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 34px);
}
.page-contact .coord {
  position: relative;
  border: var(--edge);
  background: var(--night-2);
  padding: clamp(20px, 3vw, 32px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-contact .coord:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
  background: #132c50;
}
.page-contact .coord__code {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--yellow);
}
.page-contact .coord__code::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--line), rgba(30, 58, 99, 0));
}
.page-contact .coord__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--snow);
}
.page-contact .coord__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dust);
}
.page-contact .coord__address {
  margin: 0 0 14px;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.6;
  color: var(--snow);
  overflow-wrap: anywhere;
}
.page-contact .coord__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-contact .coord__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dust);
}
.page-contact .coord__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 7px;
  height: 7px;
  background: var(--blue);
}
.page-contact .coord__link {
  margin: 18px 0 0;
  font-size: 14.5px;
}
.page-contact .coord__link a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 125, 209, 0.5);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .coord__link a:hover {
  color: var(--snow);
  border-color: var(--snow);
}

@media (min-width: 900px) {
  .page-contact .coords {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .coord--a { grid-column: span 7; }
  .page-contact .coord--b { grid-column: span 5; }
  .page-contact .coord--c { grid-column: span 5; }
  .page-contact .coord--d { grid-column: span 7; }
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-grid {
  display: grid;
  gap: var(--contact-gap);
}
.page-contact .reply-media {
  border: var(--edge);
  box-shadow: var(--hard-lg);
}
.page-contact .reply-body .section__title {
  margin-top: 0;
}
.page-contact .reply-list {
  list-style: none;
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: 0;
}
.page-contact .reply-item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.page-contact .reply-item:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .reply-item__when {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--yellow);
}
.page-contact .reply-item__what {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dust);
}

@media (min-width: 720px) {
  .page-contact .reply-item {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }
}
@media (min-width: 900px) {
  .page-contact .reply-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }
  .page-contact .reply-media {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 收尾 ---------- */
.page-contact .contact-tail {
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(72px, 12vw, 168px);
}
.page-contact .contact-tail .section__title {
  max-width: 22ch;
}
.page-contact .contact-tail .lede {
  max-width: 50ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--dust);
  margin: 14px 0 0;
}
.page-contact .contact-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}
.page-contact .contact-tail__legal {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--dust);
}
.page-contact .contact-tail__legal a {
  color: var(--blue);
  text-decoration: none;
}
.page-contact .contact-tail__legal a:hover {
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coord,
  .page-contact .channel-card {
    transition: border-color var(--dur) linear, background-color var(--dur) linear;
  }
  .page-contact .coord:hover,
  .page-contact .channel-card:hover {
    transform: none;
  }
}
<<<END>>>