.page-contact {
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact .contact-crumb {
  padding-top: 18px;
  padding-bottom: 6px;
}

/* ============ 首屏：左渠道栏 + 右邮件写法 ============ */

.page-contact .contact-deck {
  padding: 6px 0 clamp(36px, 5vw, 72px);
}

.page-contact .contact-deck__grid {
  display: grid;
  gap: 18px;
}

.page-contact .contact-rail {
  position: relative;
  background: var(--teal-dark);
  background-image: linear-gradient(158deg, rgba(232, 135, 30, 0.13), transparent 58%);
  color: var(--card);
  padding: clamp(24px, 5vw, 44px);
  border-radius: var(--radius);
  box-shadow: var(--paper-shadow);
}

.page-contact .contact-rail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brass), transparent);
}

.page-contact .contact-rail__eyebrow {
  color: var(--teal-mist);
  margin: 0;
}

.page-contact .contact-rail__title {
  font-size: clamp(29px, 5.6vw, 44px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: 0.045em;
  color: var(--card);
  margin: 14px 0 16px;
}

.page-contact .contact-rail__lede {
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(251, 245, 234, 0.78);
  max-width: 34em;
  margin: 0 0 28px;
}

.page-contact .contact-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(201, 162, 39, 0.3);
}

.page-contact .contact-rail__item {
  display: grid;
  grid-template-columns: 4.8em minmax(0, 1fr);
  grid-template-areas:
    "tag label"
    "tag value"
    "tag note";
  gap: 2px 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(201, 162, 39, 0.2);
}

.page-contact .contact-rail__tag {
  grid-area: tag;
  align-self: start;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .contact-rail__label {
  grid-area: label;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(251, 245, 234, 0.58);
}

.page-contact .contact-rail__value {
  grid-area: value;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--card);
  word-break: break-word;
}

.page-contact .contact-rail__note {
  grid-area: note;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(251, 245, 234, 0.56);
  margin-top: 4px;
}

.page-contact .contact-clock {
  margin-top: 26px;
}

.page-contact .contact-clock__label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--teal-mist);
  margin: 0 0 10px;
}

.page-contact .contact-clock__track {
  height: 9px;
  border-radius: 1px;
  background-image:
    repeating-linear-gradient(90deg, transparent 0, transparent calc(100% / 9 - 1px), rgba(18, 63, 61, 0.45) calc(100% / 9 - 1px), rgba(18, 63, 61, 0.45) calc(100% / 9)),
    linear-gradient(90deg, var(--amber-deep), var(--amber) 20%, var(--amber) 80%, var(--amber-deep));
}

.page-contact .contact-clock__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: rgba(251, 245, 234, 0.5);
}

.page-contact .contact-mail {
  background: var(--card);
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 44px);
  box-shadow: var(--paper-shadow);
  border: 1px solid rgba(201, 162, 39, 0.18);
}

.page-contact .contact-mail__title {
  font-size: clamp(21px, 3.6vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--teal-dark);
  margin: 0 0 12px;
}

.page-contact .contact-mail__intro {
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0 0 26px;
}

.page-contact .mail-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .mail-list__item {
  padding-left: 15px;
  border-left: 2px solid var(--line-brass);
}

.page-contact .mail-list__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--teal);
  margin-bottom: 7px;
}

.page-contact .mail-list__code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--sand-deep);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin: 0 0 6px;
  word-break: break-word;
}

.page-contact .mail-list__desc {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
  margin: 0;
}

.page-contact .mail-checklist {
  background: rgba(143, 188, 182, 0.14);
  border: 1px solid var(--line-teal);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 24px;
}

.page-contact .mail-checklist__title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--teal-dark);
  margin: 0 0 10px;
}

.page-contact .mail-checklist__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .mail-checklist__list li::marker {
  color: var(--teal);
}

/* ============ 分类指引：分段切换 ============ */

.page-contact .contact-routing {
  background: var(--card);
  border-top: 1px solid var(--line-brass-soft);
  border-bottom: 1px solid var(--line-brass-soft);
  padding: clamp(40px, 6vw, 76px) 0;
  margin: clamp(20px, 3vw, 40px) 0;
}

.page-contact .contact-routing .section__head {
  margin-bottom: 26px;
}

.page-contact .contact-routing .tabs__list {
  margin-bottom: 26px;
}

.page-contact .route-panel {
  display: grid;
  gap: 22px;
}

.page-contact .route-panel__block h3 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin: 0 0 8px;
}

.page-contact .route-panel__block p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
  margin: 0 0 12px;
  max-width: 38em;
}

.page-contact .route-panel__link {
  margin: 0 !important;
}

.page-contact .route-panel__link a {
  font-size: 14px;
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--line-brass);
}

/* ============ 服务时段 ============ */

.page-contact .contact-hours {
  position: relative;
  overflow: hidden;
  background: var(--teal-dark);
  color: var(--card);
  padding: clamp(52px, 8vw, 96px) 0;
  margin: clamp(28px, 4vw, 56px) 0;
}

.page-contact .contact-hours__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: grayscale(0.35);
}

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

.page-contact .contact-hours .eyebrow {
  color: var(--amber);
  margin: 0;
}

.page-contact .contact-hours__title {
  font-size: clamp(23px, 4vw, 34px);
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: 0.03em;
  margin: 12px 0 16px;
  max-width: 20em;
}

.page-contact .contact-hours__text {
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(251, 245, 234, 0.78);
  max-width: 38em;
  margin: 0 0 30px;
}

.page-contact .contact-hours__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: rgba(201, 162, 39, 0.3);
  border: 1px solid rgba(201, 162, 39, 0.3);
}

.page-contact .contact-hours__stats div {
  background: rgba(18, 63, 61, 0.94);
  padding: 16px 16px;
}

.page-contact .contact-hours__stats dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  color: var(--teal-mist);
  margin-bottom: 6px;
}

.page-contact .contact-hours__stats dd {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--card);
}

/* ============ 登录与换设备 ============ */

.page-contact .contact-device {
  padding: clamp(28px, 4vw, 56px) 0;
}

.page-contact .contact-device__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-device__title {
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--teal-dark);
  margin: 10px 0 14px;
}

.page-contact .contact-device__copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 14px;
  max-width: 34em;
}

.page-contact .contact-device__copy .btn {
  margin-top: 6px;
}

.page-contact .device-needs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-teal);
}

.page-contact .device-needs__item {
  display: grid;
  grid-template-columns: 3.2em minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-teal);
}

.page-contact .device-needs__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--brass);
}

.page-contact .device-needs__text {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink);
  margin: 0;
}

.page-contact .device-needs__text strong {
  font-weight: 700;
  color: var(--teal-dark);
}

/* ============ 纠错与合作 ============ */

.page-contact .contact-split {
  padding: clamp(36px, 5vw, 72px) 0;
}

.page-contact .contact-split__heading {
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--teal-dark);
  margin: 0 0 22px;
}

.page-contact .contact-split__grid {
  display: grid;
  gap: 1px;
  background: var(--line-brass-soft);
  border: 1px solid var(--line-brass-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-split__col {
  background: var(--card);
  padding: clamp(24px, 4vw, 38px);
}

.page-contact .contact-split__col--coop {
  background: rgba(227, 207, 176, 0.55);
}

.page-contact .contact-split__col h3 {
  font-size: clamp(19px, 2.8vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--teal-dark);
  margin: 10px 0 12px;
}

.page-contact .contact-split__col p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-contact .contact-split__col .eyebrow {
  margin: 0;
  color: var(--teal);
}

/* ============ 底部收口 ============ */

.page-contact .contact-close {
  position: relative;
  overflow: hidden;
  background: var(--sand-deep);
  border-top: 1px solid var(--line-brass);
}

.page-contact .contact-close__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-contact .contact-close__inner {
  position: relative;
  z-index: 1;
  padding: clamp(40px, 7vw, 76px) 0;
}

.page-contact .contact-close__line {
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--teal-dark);
  max-width: 26em;
  margin: 0 0 14px;
}

.page-contact .contact-close__note {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40em;
  margin: 0;
}

.page-contact .contact-close__note a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-brass);
}

/* ============ 屏幕适配 ============ */

@media (min-width: 720px) {
  .page-contact .contact-hours__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .route-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-contact .contact-split__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-deck__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 0;
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-mail {
    margin-top: 48px;
    margin-left: clamp(0px, 2vw, 28px);
  }

  .page-contact .contact-device__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-rail {
    position: static;
  }
}
<<<END>>>