.page-contact {
  background:
    radial-gradient(900px 480px at 88% 0%, rgba(43, 240, 208, .07), transparent 62%),
    radial-gradient(760px 460px at 2% 22%, rgba(15, 44, 39, .9), transparent 70%),
    var(--c-night);
  color: var(--c-cream);
  padding-bottom: calc(var(--sp) * 2);
}

.page-contact .section {
  padding-top: calc(var(--sp) * 1.7);
}

.page-contact .section__head {
  margin-bottom: calc(var(--sp) * .9);
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: calc(var(--sp) * .9);
  font-size: var(--fs-note);
  letter-spacing: .04em;
  color: var(--c-annot);
}

.page-contact .breadcrumb a {
  color: var(--c-annot);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}

.page-contact .breadcrumb a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-contact .contact-label {
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0 0 12px;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, var(--fs-section));
  line-height: 1.2;
  letter-spacing: .04em;
  color: var(--c-cream);
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero__intro {
  max-width: 62ch;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: .03em;
  margin: 0 0 18px;
  max-width: 20ch;
}

.page-contact .lede {
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.8;
  color: rgba(245, 242, 234, .85);
  max-width: 62ch;
  margin: 0 0 22px;
}

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

.page-contact .contact-hero__tick {
  font-size: var(--fs-note);
  color: var(--c-annot);
  letter-spacing: .04em;
}

.page-contact .contact-hero__console {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: calc(var(--sp) * 1.1);
}

.page-contact .contact-channels {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-rock);
  border-radius: var(--r-panel);
  background: linear-gradient(180deg, rgba(15, 44, 39, .86), rgba(10, 23, 41, .62));
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(147, 167, 157, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(147, 167, 157, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-contact .contact-channels__title,
.page-contact .contact-brief__title {
  position: relative;
  font-family: var(--font-display);
  font-size: var(--fs-panel);
  letter-spacing: .06em;
  color: var(--c-cream);
  margin: 0 0 18px;
}

.page-contact .contact-channels__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-channels__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: rgba(10, 23, 41, .55);
  transition: border-color var(--t), background var(--t), transform var(--t);
}

.page-contact .contact-channels__item:hover {
  border-color: var(--c-cyan);
  background: rgba(43, 240, 208, .06);
  transform: translateX(4px);
}

.page-contact .contact-channels__key {
  font-size: var(--fs-note);
  letter-spacing: .24em;
  color: var(--c-cyan);
}

.page-contact .contact-channels__val {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.1vw, 21px);
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--c-cream);
  word-break: break-word;
}

.page-contact .contact-channels__hint {
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--c-annot);
}

.page-contact .contact-brief {
  border: 1px solid var(--line);
  border-top: 2px solid var(--c-amber);
  border-radius: var(--r-panel);
  background: rgba(43, 58, 62, .28);
  padding: clamp(20px, 2.6vw, 28px);
}

.page-contact .contact-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-brief__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: rgba(10, 23, 41, .42);
  transition: border-color var(--t), background var(--t);
}

.page-contact .contact-brief__item:hover {
  border-color: rgba(242, 178, 51, .5);
  background: rgba(242, 178, 51, .06);
}

.page-contact .contact-brief__num {
  font-size: var(--fs-aux);
  line-height: 1.6;
  letter-spacing: .1em;
  color: var(--c-amber);
}

.page-contact .contact-brief__text {
  font-size: var(--fs-aux);
  line-height: 1.7;
  color: rgba(245, 242, 234, .88);
}

.page-contact .contact-hero__media {
  margin: calc(var(--sp) * 1.2) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  overflow: hidden;
}

.page-contact .contact-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 服务时段 ---------- */

.page-contact .contact-window__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .contact-window__body p {
  font-size: var(--fs-body);
  line-height: 1.78;
  color: rgba(245, 242, 234, .86);
  max-width: 62ch;
  margin: 0 0 18px;
}

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

.page-contact .contact-window__card {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 22px;
  border: 1px solid var(--line-rock);
  border-radius: var(--r-panel);
  background: linear-gradient(180deg, rgba(15, 44, 39, .82), rgba(10, 23, 41, .7));
}

.page-contact .contact-window__facts {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-window__fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(147, 167, 157, .18);
}

.page-contact .contact-window__fact dt {
  font-size: var(--fs-note);
  color: var(--c-annot);
}

.page-contact .contact-window__fact dd {
  margin: 0;
  font-size: var(--fs-aux);
  color: var(--c-amber);
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

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

.page-contact .contact-prep__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: rgba(43, 58, 62, .22);
  transition: border-color var(--t), background var(--t);
}

.page-contact .contact-prep__item:hover {
  border-color: rgba(242, 178, 51, .55);
  background: rgba(242, 178, 51, .05);
}

.page-contact .contact-prep__num {
  font-size: var(--fs-body);
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--c-amber);
}

.page-contact .contact-prep__name {
  font-family: var(--font-display);
  font-size: var(--fs-aux);
  letter-spacing: .06em;
  color: var(--c-cream);
  margin: 0 0 6px;
}

.page-contact .contact-prep__item p {
  margin: 0;
  font-size: var(--fs-aux);
  line-height: 1.78;
  color: rgba(245, 242, 234, .8);
}

.page-contact .contact-prep__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-prep__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  overflow: hidden;
}

.page-contact .contact-prep__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-prep__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-moss);
  font-size: var(--fs-note);
  line-height: 1.85;
  color: var(--c-annot);
}

/* ---------- 合作与交流 ---------- */

.page-contact .contact-coop__lead {
  font-size: var(--fs-body);
  line-height: 1.78;
  color: rgba(245, 242, 234, .86);
  max-width: 68ch;
  margin: 14px 0 0;
}

.page-contact .contact-coop__band {
  margin-top: calc(var(--sp) * .9);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(147, 167, 157, .4) transparent;
  padding-bottom: 14px;
}

.page-contact .contact-coop__track {
  display: flex;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-coop__card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(180deg, rgba(15, 44, 39, .8), rgba(10, 23, 41, .6));
  transition: border-color var(--t), transform var(--t);
}

.page-contact .contact-coop__card:hover {
  border-color: var(--c-cyan);
  transform: translateY(-3px);
}

.page-contact .contact-coop__card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: .05em;
  color: var(--c-cream);
  margin: 0;
}

.page-contact .contact-coop__card p {
  margin: 0;
  font-size: var(--fs-aux);
  line-height: 1.78;
  color: var(--c-annot);
}

/* ---------- 页尾说明 ---------- */

.page-contact .contact-foot__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-rock);
  border-radius: var(--r-panel);
  background: rgba(43, 58, 62, .25);
}

.page-contact .contact-foot__title {
  font-family: var(--font-display);
  font-size: var(--fs-panel);
  letter-spacing: .05em;
  color: var(--c-cream);
  margin: 0 0 12px;
}

.page-contact .contact-foot__inner p {
  margin: 0;
  font-size: var(--fs-aux);
  line-height: 1.85;
  color: var(--c-annot);
  max-width: 66ch;
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 900px) {
  .page-contact .contact-hero__console {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .contact-brief {
    margin-top: 44px;
  }

  .page-contact .contact-window__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .contact-coop__card {
    flex-basis: 300px;
  }

  .page-contact .contact-foot__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 34px;
    align-items: center;
  }
}

@media (max-width: 899px) {
  .page-contact .contact-coop__band {
    margin-left: calc(var(--sp) * -1);
    margin-right: calc(var(--sp) * -1);
    padding-left: var(--sp);
    padding-right: var(--sp);
  }
}

@media (max-width: 640px) {
  .page-contact h1 {
    max-width: none;
  }

  .page-contact .contact-channels__val {
    font-size: 16px;
  }

  .page-contact .contact-prep__item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    padding: 16px;
  }

  .page-contact .contact-brief__item {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .page-contact .contact-coop__card {
    flex-basis: 84vw;
  }

  .page-contact .contact-foot__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}
<<<END>>>