.page-contact {
  --pc-line: rgba(106, 83, 39, .55);
  display: block;
  overflow-x: clip;
  background:
    radial-gradient(72% 32% at 88% 0%, rgba(212, 163, 74, .09), transparent 62%),
    radial-gradient(58% 28% at 4% 44%, rgba(200, 56, 46, .06), transparent 64%),
    var(--ink);
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .04em;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .02em;
  margin: 0;
}

.page-contact p {
  margin: 0;
}

.page-contact .crumbs {
  margin-top: clamp(14px, 3.4vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: clamp(18px, 3.6vw, 30px) 0 clamp(28px, 5vw, 48px);
}

.page-contact .contact-hero__title {
  margin-top: clamp(12px, 2.2vw, 18px);
  font-size: clamp(30px, 7.4vw, 56px);
  color: var(--gold-hi);
  max-width: 16em;
}

.page-contact .contact-hero__lede {
  margin-top: clamp(14px, 2.2vw, 20px);
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--silver);
  opacity: .92;
}

.page-contact .contact-hero__banner {
  position: relative;
  margin-top: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .contact-hero__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 11, 15, .34), rgba(11, 11, 15, .62));
}

.page-contact .contact-hero__banner img {
  display: block;
  width: 100%;
  height: clamp(112px, 16vw, 186px);
  object-fit: cover;
}

/* ---------- 章节头通用微调 ---------- */

.page-contact .contact-channels .section__head,
.page-contact .contact-materials .section__head,
.page-contact .contact-routing .section__head,
.page-contact .contact-pace .section__head {
  max-width: 62ch;
}

/* ---------- 01 三张通路卡 ---------- */

.page-contact .contact-channels {
  padding-bottom: clamp(30px, 5.4vw, 58px);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-2);
  border: 1px solid var(--pc-line);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 22px;
  height: 22px;
  border-bottom: 2px solid var(--pc-line);
  border-right: 2px solid var(--pc-line);
}

.page-contact .channel-card__name {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--silver);
  letter-spacing: .1em;
}

.page-contact .channel-card__value {
  font-family: var(--font-num);
  font-size: clamp(13.5px, 1.6vw, 16px);
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--ink);
  background: var(--paper);
  padding: 12px 14px;
  border-left: 3px solid var(--cinnabar);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card__fit {
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver-2);
  letter-spacing: .03em;
}

.page-contact .channel-card__meta {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--pc-line);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 02 值守时段 ---------- */

.page-contact .contact-window {
  padding: clamp(30px, 5vw, 52px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-window__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 34px);
}

.page-contact .contact-window__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .contact-window__media img {
  display: block;
  width: 100%;
  height: clamp(176px, 30vw, 300px);
  object-fit: cover;
}

.page-contact .contact-window__title {
  margin-top: 10px;
  font-size: clamp(23px, 3.4vw, 34px);
  color: var(--gold-hi);
}

.page-contact .contact-window__text {
  margin-top: clamp(14px, 2.2vw, 18px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 58ch;
}

.page-contact .contact-window__list {
  list-style: none;
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-window__list li {
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver-2);
}

.page-contact .contact-window__key {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold-hi);
  border: 1px solid var(--pc-line);
}

/* ---------- 03 材料清单 ---------- */

.page-contact .contact-materials {
  padding: clamp(30px, 5vw, 52px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .material-list {
  list-style: none;
  margin: clamp(20px, 3.4vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .material-list__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(16px, 2.6vw, 22px);
  background: var(--ink-2);
  border: 1px solid var(--pc-line);
}

.page-contact .material-list__box {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--gold);
}

.page-contact .material-list__box::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: rgba(212, 163, 74, .55);
}

.page-contact .material-list__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--paper);
}

.page-contact .material-list__desc {
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver-2);
}

/* ---------- 04 分流表 ---------- */

.page-contact .contact-routing {
  padding: clamp(30px, 5vw, 52px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .routing {
  margin: clamp(20px, 3.4vw, 30px) 0 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .routing__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 20px) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .routing__tag {
  justify-self: start;
  display: inline-block;
  padding: 3px 10px;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-contact .routing__path {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .routing__path a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color .24s var(--ease), color .24s var(--ease);
}

.page-contact .routing__path a:hover,
.page-contact .routing__path a:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 05 回应节奏 ---------- */

.page-contact .contact-pace {
  padding: clamp(30px, 5vw, 52px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pace-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

.page-contact .pace-card {
  padding: clamp(16px, 2.6vw, 22px);
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border-left: 3px solid var(--gold);
}

.page-contact .pace-card__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold-hi);
}

.page-contact .pace-card__desc {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver-2);
}

/* ---------- 政策与备案 ---------- */

.page-contact .contact-legal {
  padding: clamp(30px, 5vw, 52px) 0 clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-legal__title {
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--silver);
}

.page-contact .contact-legal__text {
  margin-top: 12px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver-2);
}

.page-contact .contact-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .contact-legal__links a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--gold-hi);
  text-decoration: none;
  background: var(--ink-2);
  border: 1px solid var(--line);
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-contact .contact-legal__links a:hover,
.page-contact .contact-legal__links a:focus-visible {
  border-color: var(--gold);
  background: var(--ink-3);
}

.page-contact .contact-legal__icp {
  margin-top: 24px;
  padding: 10px 14px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--silver-2);
  background: var(--blood);
  border-left: 3px solid var(--cinnabar);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 820px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pace-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-window__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: clamp(28px, 4vw, 46px);
  }

  .page-contact .routing__row {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-contact .material-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .routing__path a,
  .page-contact .contact-legal__links a {
    transition: none;
  }
}
<<<END>>>