.page-contact {
  --pc-band: rgba(11, 27, 58, .92);
  --pc-dash: rgba(157, 179, 173, .42);
  --pc-panel-a: #12463D;
  --pc-panel-b: #0B1B3A;
  display: block;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: clamp(26px, 6vw, 62px) 0 clamp(22px, 4.5vw, 50px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: end;
}

.page-contact .contact-hero__body {
  min-width: 0;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(34px, 7.2vw, 70px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--neon);
  max-width: 15ch;
}

.page-contact .contact-hero__lede {
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(16px, 3vw, 34px);
  margin: 24px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .contact-quick__item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-contact .contact-quick__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-contact .contact-quick__val {
  font-size: 14px;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  transform: translateY(6px);
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(.72) brightness(.86);
}

@media (min-width: 880px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.38fr) minmax(210px, .62fr);
    gap: clamp(30px, 5vw, 76px);
  }

  .page-contact .contact-hero__media {
    aspect-ratio: 3 / 4;
  }

  .page-contact .contact-hero__media img {
    height: 100%;
  }
}

/* ---------- 三条通道 ---------- */

.page-contact .channel-stack {
  display: grid;
  gap: 2px;
  background: var(--night);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .channel {
  position: relative;
  padding: clamp(20px, 3.4vw, 34px);
  background: linear-gradient(158deg, var(--pc-panel-a), var(--pc-panel-b));
  min-width: 0;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 46px;
  border-radius: 0 4px 4px 0;
}

.page-contact .channel--mail::before {
  background: var(--red);
}

.page-contact .channel--phone::before {
  background: var(--yellow);
}

.page-contact .channel--self::before {
  background: var(--green);
}

.page-contact .channel__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-contact .channel__value {
  display: flex;
  align-items: center;
  margin: 0 0 14px;
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 700;
  color: var(--neon);
  letter-spacing: .01em;
  overflow-wrap: anywhere;
}

.page-contact .copy-mark {
  flex: 0 0 auto;
  position: relative;
  display: inline-block;
  width: 13px;
  height: 13px;
  margin-left: 10px;
  border: 1.5px solid var(--mist);
  border-radius: 3px;
}

.page-contact .copy-mark::after {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--mist);
  border-radius: 3px;
  opacity: .6;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .channel__action {
  margin: 18px 0 0;
}

@media (min-width: 860px) {
  .page-contact .channel-stack {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) minmax(0, .85fr);
  }

  .page-contact .channel {
    display: flex;
    flex-direction: column;
  }

  .page-contact .channel__action {
    margin-top: auto;
  }
}

/* ---------- 反馈流程 ---------- */

.page-contact .contact-flow__figure {
  margin: clamp(22px, 3.5vw, 38px) 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .contact-flow__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(.7) brightness(.85);
}

.page-contact .flow-steps {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
}

.page-contact .flow-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 52px;
  bottom: -26px;
  border-left: 1px dashed var(--pc-dash);
}

.page-contact .flow-step__num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--night);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--yellow);
}

.page-contact .flow-step__title {
  margin: 10px 0 8px;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  color: var(--neon);
}

.page-contact .flow-step__body p {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
    row-gap: clamp(26px, 3.4vw, 40px);
  }

  .page-contact .flow-step:not(:last-child)::before {
    bottom: -38px;
  }

  .page-contact .flow-step:nth-child(2)::before {
    display: none;
  }
}

/* ---------- 合作对接 ---------- */

.page-contact .coop-grid {
  display: grid;
  gap: 2px;
  background: var(--night);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .coop-item {
  padding: clamp(20px, 3.2vw, 30px);
  background: linear-gradient(170deg, rgba(18, 70, 61, .95), rgba(16, 32, 28, .95));
}

.page-contact .coop-item__title {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-contact .coop-item--red .coop-item__title {
  background: var(--red);
  color: var(--neon);
}

.page-contact .coop-item--yellow .coop-item__title {
  background: var(--yellow);
  color: var(--ink);
}

.page-contact .coop-item--green .coop-item__title {
  background: var(--green);
  color: var(--ink);
}

.page-contact .coop-item__desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--neon);
}

.page-contact .coop-item__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .coop-item__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .coop-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 2px;
  background: var(--mist);
}

.page-contact .coop-foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(18, 70, 61, .5);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-foot__mail {
  color: var(--neon);
  font-weight: 700;
  overflow-wrap: anywhere;
}

@media (min-width: 880px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 服务时段 ---------- */

.page-contact .contact-hours__inner {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-contact .hours-panel {
  padding: clamp(24px, 3.6vw, 36px);
  border-radius: var(--r-lg);
  background: linear-gradient(145deg, var(--pc-panel-a), var(--pc-panel-b));
  border: 1px solid var(--line);
}

.page-contact .hours-panel__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .hours-panel__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 8vw, 66px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--yellow);
  transform: skewX(-2deg);
  transform-origin: left center;
}

.page-contact .hours-panel__note {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .hours-copy p {
  margin: 0 0 14px;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .hours-copy .section__title {
  margin-bottom: 14px;
}

@media (min-width: 860px) {
  .page-contact .contact-hours__inner {
    grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr);
  }
}

/* ---------- 地址 ---------- */

.page-contact .addr-block {
  display: grid;
  gap: 2px;
  background: var(--night);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .addr-block__map {
  min-width: 0;
}

.page-contact .addr-block__map svg {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
}

.page-contact .addr-block__body {
  padding: clamp(22px, 3.6vw, 36px);
  background: rgba(18, 70, 61, .72);
}

.page-contact .addr-block__city {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .addr-block__line {
  margin: 0 0 16px;
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--neon);
}

.page-contact .addr-block__note {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .addr-details {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}

.page-contact .addr-details__summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--yellow);
  list-style: none;
}

.page-contact .addr-details__summary::-webkit-details-marker {
  display: none;
}

.page-contact .addr-details__summary::after {
  content: " +";
  font-family: var(--font-mono);
}

.page-contact .addr-details[open] .addr-details__summary::after {
  content: " −";
}

.page-contact .addr-details__body p {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 880px) {
  .page-contact .addr-block {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }
}

/* ---------- 寄出前的检查 ---------- */

.page-contact .check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.6vw, 22px);
  border-radius: var(--r-md);
  background: rgba(18, 70, 61, .45);
  border: 1px solid var(--line);
}

.page-contact .check-item__box {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1.5px solid var(--line-strong);
  border-radius: 5px;
  background: rgba(11, 27, 58, .6);
}

.page-contact .check-item__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--neon);
}

.page-contact .check-item__text {
  margin: 0;
  max-width: 40em;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .check-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2px;
    background: var(--night);
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--line);
  }

  .page-contact .check-item {
    border: 0;
    border-radius: 0;
    align-content: start;
  }
}

/* ---------- 底部引导 ---------- */

.page-contact .guide-strip {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 34px);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(226, 58, 46, .14), rgba(11, 27, 58, .9) 46%, rgba(18, 70, 61, .85));
  border: 1px solid var(--line);
}

.page-contact .guide-strip__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.3vw, 24px);
  line-height: 1.45;
  color: var(--neon);
}

.page-contact .guide-strip__desc {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .guide-strip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

@media (min-width: 820px) {
  .page-contact .guide-strip {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}
<<<END>>>