.page-contact {
  --pc-card: #FFFFFF;
  --pc-card-soft: #FBF9F4;
  --pc-hover-shadow: 0 6px 18px rgba(11, 31, 51, .15);
  --pc-gap: 22px;
  display: block;
  padding-top: 26px;
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-contact .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
}

.page-contact .breadcrumb__link {
  color: var(--tile);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .breadcrumb__link:hover {
  color: var(--ink);
  border-bottom-color: var(--tile);
}

.page-contact .breadcrumb__sep {
  color: var(--mist);
}

/* ---------- 区块骨架 ---------- */
.page-contact .section {
  padding: 0 0 58px;
}

.page-contact .section:last-of-type {
  padding-bottom: 0;
}

.page-contact .section--hero {
  padding-bottom: 64px;
}

.page-contact .section__head {
  max-width: 780px;
  margin-bottom: 28px;
}

.page-contact .eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--tile);
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-contact .eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold);
}

.page-contact .section__title {
  font-family: var(--f-head);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: .04em;
  color: var(--brown);
  margin: 0 0 14px;
}

.page-contact h1.section__title {
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.22;
}

.page-contact .lede {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 0;
  max-width: 38em;
}

.page-contact .num {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.18em;
  color: var(--gold);
  padding: 0 2px;
}

/* ---------- 首屏双区 ---------- */
.page-contact .contact-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-duo__panel {
  border-radius: var(--r-l);
  padding: 26px 22px 28px;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-duo__panel--dark {
  background:
    radial-gradient(120% 92% at 100% 0%, rgba(46, 110, 158, .48) 0%, rgba(20, 58, 87, 0) 62%),
    linear-gradient(158deg, var(--harbor) 0%, var(--ink) 82%);
  border: 1px solid var(--line-dark);
  color: var(--cream);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-duo__panel--dark::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -36px;
  width: 148px;
  height: 148px;
  background-image:
    linear-gradient(45deg, rgba(46, 110, 158, .34) 25%, transparent 25%, transparent 75%, rgba(46, 110, 158, .34) 75%),
    linear-gradient(45deg, rgba(46, 110, 158, .34) 25%, transparent 25%, transparent 75%, rgba(46, 110, 158, .34) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
  opacity: .5;
  pointer-events: none;
}

.page-contact .contact-duo__panel--light {
  background: var(--pc-card);
  border: 1px solid var(--line);
  color: var(--brown);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-duo__panel--dark .eyebrow {
  color: var(--gold);
}

.page-contact .contact-duo__title {
  font-family: var(--f-head);
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: .04em;
  line-height: 1.35;
  margin: 0 0 12px;
  color: inherit;
  position: relative;
  z-index: 1;
}

.page-contact .contact-duo__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.page-contact .contact-duo__panel--dark .contact-duo__note {
  color: var(--cream-72);
}

.page-contact .contact-duo__panel--light .contact-duo__note {
  color: var(--ink-soft);
}

/* ---------- 联系方式清单 ---------- */
.page-contact .contact-facts {
  margin: 24px 0 0;
  display: grid;
  gap: 0;
  position: relative;
  z-index: 1;
}

.page-contact .contact-facts__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid rgba(244, 241, 233, .16);
}

.page-contact .contact-facts__key {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .contact-facts__val {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-facts__text {
  font-family: var(--f-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .contact-copy {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(217, 162, 75, .58);
  background: rgba(217, 162, 75, .14);
  color: var(--gold);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-copy:hover {
  background: var(--gold);
  color: var(--ink);
  transform: translateY(-1px);
}

.page-contact .contact-copy__status {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--jade);
}

.page-contact .contact-duo__media {
  margin-top: 24px;
  position: relative;
  z-index: 1;
}

/* ---------- 图片容器 ---------- */
.page-contact .media-frame {
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(11, 31, 51, .06);
}

.page-contact .contact-duo__panel--dark .media-frame {
  border-color: rgba(46, 110, 158, .5);
  background: rgba(244, 241, 233, .08);
}

.page-contact .media-frame__inner {
  display: block;
}

.page-contact .media-frame__inner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 快速入口列表 ---------- */
.page-contact .quick-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .quick-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 0;
  border-top: 1px solid var(--moss);
}

.page-contact .quick-list__num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: 4px;
}

.page-contact .quick-list__body {
  min-width: 0;
}

.page-contact .quick-list__link {
  display: inline-block;
  font-family: var(--f-head);
  font-size: 16px;
  letter-spacing: .03em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 110, 158, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .quick-list__link:hover {
  color: var(--tile);
  border-bottom-color: var(--tile);
}

.page-contact .quick-list__note {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 四条通道 ---------- */
.page-contact .channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .channel {
  position: relative;
  padding: 16px 18px 16px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--pc-card);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--tile);
}

.page-contact .channel--fix::before {
  background: var(--rose);
}

.page-contact .channel--use::before {
  background: var(--jade);
}

.page-contact .channel--partner::before {
  background: var(--gold);
}

.page-contact .channel--reco::before {
  background: var(--tile);
}

.page-contact .channel:hover,
.page-contact .channel:focus,
.page-contact .channel:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--pc-hover-shadow);
  border-color: var(--line-strong);
  outline: none;
}

.page-contact .channel__title {
  font-family: var(--f-head);
  font-size: 17px;
  letter-spacing: .05em;
  margin: 0 0 6px;
  color: var(--brown);
}

.page-contact .channel__brief {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .channel__more {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--tile);
  transition: max-height 220ms var(--ease), opacity 180ms var(--ease), margin-top 220ms var(--ease);
}

.page-contact .channel:hover .channel__more,
.page-contact .channel:focus .channel__more,
.page-contact .channel:focus-within .channel__more {
  max-height: 200px;
  opacity: 1;
  margin-top: 10px;
}

/* ---------- 回复节奏 ---------- */
.page-contact .response-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

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

.page-contact .response-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .response-list__item {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .response-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: rgba(217, 162, 75, .28);
}

/* ---------- 合作流程 ---------- */
.page-contact .coop-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .coop-step {
  position: relative;
  padding: 18px 18px 20px 62px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(20, 58, 87, .06), rgba(20, 58, 87, 0));
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .coop-step:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-1);
}

.page-contact .coop-step__num {
  position: absolute;
  left: 18px;
  top: 17px;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .coop-step__title {
  font-family: var(--f-head);
  font-size: 16px;
  letter-spacing: .05em;
  margin: 0 0 6px;
  color: var(--brown);
}

.page-contact .coop-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 来件清单 ---------- */
.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid var(--moss);
}

.page-contact .check-item:last-child {
  border-bottom: 1px solid var(--moss);
}

.page-contact .check-item__num {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--tile);
  padding-top: 3px;
}

.page-contact .check-item__title {
  font-family: var(--f-head);
  font-size: 16px;
  letter-spacing: .05em;
  margin: 0 0 6px;
  color: var(--brown);
}

.page-contact .check-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .closing-line {
  margin: 28px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  padding: 18px 20px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--pc-card-soft);
}

.page-contact .closing-line__link {
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--tile);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 110, 158, .45);
}

.page-contact .closing-line__link:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 焦点反馈 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact [tabindex]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  box-shadow: 0 0 0 1px var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-duo__panel {
    padding: 32px 30px 34px;
  }
}

@media (min-width: 900px) {
  .page-contact {
    padding-top: 34px;
    padding-bottom: 88px;
  }

  .page-contact .section {
    padding-bottom: 76px;
  }

  .page-contact .contact-duo {
    grid-template-columns: 7fr 5fr;
    gap: 26px;
  }

  .page-contact .response-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-contact .coop-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .coop-step {
    padding: 58px 18px 22px;
  }

  .page-contact .coop-step__num {
    left: 18px;
    top: 20px;
  }

  .page-contact .coop-step::after {
    content: "";
    position: absolute;
    right: -12px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-top: 1px solid var(--line-strong);
    border-right: 1px solid var(--line-strong);
    transform: translateY(-50%) rotate(45deg);
  }

  .page-contact .coop-step:last-child::after {
    content: none;
  }
}

@media (min-width: 1180px) {
  .page-contact .section__head {
    margin-bottom: 34px;
  }

  .page-contact .contact-duo__panel {
    padding: 36px 34px 38px;
  }
}

@media (hover: none) {
  .page-contact .channel__more {
    max-height: none;
    opacity: 1;
    margin-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .contact-copy {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .channel:focus,
  .page-contact .channel:focus-within,
  .page-contact .contact-copy:hover {
    transform: none;
  }
}
```
### 联系入口与分渠道反馈的实用设计

这个页面把“怎么联系、发什么、多久回”拆得明明白白。以下三个点让访客少绕弯子：

- **双栏首屏分块承载入口与自助指引**：左侧深色面板集中展示邮箱、电话、地址等联系渠道，并配有一键复制按钮，方便访客快速取用；右侧白色面板提供资源下载、使用指南、编辑团队说明三个快速入口，并说明“能自己找到的，就不用等回信”。两块内容各司其职，访客不必在多个页面之间跳转。
- **四类通道归位来信需求**：内容纠错、使用问题、栏目合作、内容推荐四条横条卡片分列排列，悬停或聚焦时展开适用说明，帮助访客在发送前先判断该走哪条通道，减少无效来信和反复沟通。
- **响应节奏与合作流程分段讲清**：回复节奏一栏用列表形式说明工作日响应时段、首次回复时间及顺延规则；合作流程用四段式步骤条呈现从递交资料到排期上线的完整路径。两者一前一后，让访客对处理周期和合作门槛心里有数。
---

**优化建议：** 页面中的图片链接和联系电话为示例占位内容，您可以替换为实际图片资源与真实联系方式。