.page-contact {
  --pc-cut: 44px;
  background: var(--sea-deep);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

/* ---------- 面包屑 ---------- */
.page-contact .pc-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter) 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-contact .pc-crumbs a {
  color: var(--stone);
  border-bottom-color: transparent;
}

.page-contact .pc-crumbs a:hover {
  color: var(--cyan);
}

.page-contact .pc-crumbs [aria-current="page"] {
  color: var(--ivory);
}

/* ---------- 首屏 ---------- */
.pc-hero {
  position: relative;
  border-bottom: 3px solid var(--ink);
}

.pc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(60px, 12vw, 180px);
  height: 4px;
  background: var(--cyan);
}

.pc-hero__inner {
  display: grid;
  gap: 32px;
  padding: 36px 0 52px;
}

.pc-hero__copy {
  min-width: 0;
}

.pc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.pc-kicker::before {
  content: "";
  display: block;
  width: 28px;
  height: 3px;
  background: var(--cyan);
}

.pc-hero h1 {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 74px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.pc-hero__lede {
  max-width: 54ch;
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-dim);
}

.pc-hero__quick {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 2px solid var(--line-blue);
  display: grid;
  gap: 12px;
}

.pc-hero__quick li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.pc-hero__quick-key {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--teal);
}

.pc-hero__media {
  margin: 0;
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 0 var(--ink);
  background: var(--sea-night);
}

.pc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  filter: saturate(.85) contrast(1.08);
}

/* ---------- 双轨面板 ---------- */
.pc-tracks {
  padding: 48px 0 0;
}

.pc-tracks__frame {
  display: grid;
  grid-template-columns: 1fr;
  border: 3px solid var(--ink);
  background: var(--ivory);
  overflow: hidden;
}

.pc-tracks__left {
  position: relative;
  padding: 34px 22px 40px;
  background: linear-gradient(160deg, var(--ink) 0%, var(--sea-night) 100%);
  color: var(--text);
}

.pc-tracks__left h2,
.pc-tracks__right h2 {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -.005em;
}

.pc-tracks__left h2 {
  color: var(--ivory);
}

.pc-tracks__right {
  padding: 34px 22px 40px;
  background: var(--ivory);
  color: var(--sea-deep);
}

.pc-panel-label {
  margin: 0 0 10px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--teal);
}

.pc-panel-label--dark {
  color: var(--clay);
}

/* 联系渠道 */
.pc-channels {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: grid;
  gap: 22px;
}

.pc-channel {
  padding-top: 14px;
  border-top: 2px solid var(--line-blue);
}

.pc-channel__key {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.pc-channel__val {
  display: block;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(15px, 2vw, 21px);
  line-height: 1.4;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.pc-channel__val--text {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(14px, 1.7vw, 17px);
  letter-spacing: .01em;
}

.pc-channel__note {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--stone);
}

/* 24 小时刻度 */
.pc-clockwrap {
  padding-top: 20px;
  border-top: 2px solid var(--line-blue);
}

.pc-clockwrap__title {
  margin: 0 0 14px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.pc-clock {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  gap: 2px;
}

.pc-clock li {
  position: relative;
  height: 40px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 5px;
  background: #0A2338;
  border-top: 3px solid var(--line-blue);
  font-family: var(--font-num);
  font-size: 9px;
  color: var(--stone);
  cursor: default;
}

.pc-clock li span {
  display: none;
}

.pc-clock li[data-node="open"] {
  background: var(--cyan);
  border-top-color: var(--cyan);
  color: var(--sea-deep);
}

.pc-clock li::after {
  content: "";
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  padding: 3px 8px;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ivory);
  background: var(--ink);
  border: 1px solid var(--cyan);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s var(--ease);
}

.pc-clock li[data-node="open"]:hover::after {
  content: "回复时段";
  opacity: 1;
}

.pc-clock li[data-node="closed"]:hover::after {
  content: "非回复时段";
  opacity: 1;
}

.pc-clockwrap__legend {
  margin: 0 0 14px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
}

.pc-legend {
  display: inline-block;
  width: 14px;
  height: 10px;
}

.pc-legend--on {
  background: var(--cyan);
}

.pc-legend--off {
  background: #0A2338;
  border: 1px solid var(--line-blue);
  margin-left: 8px;
}

.pc-clockwrap__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-blue);
  font-size: 13px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* 主题档案组 */
.pc-topics {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pc-topic {
  border-bottom: 2px solid rgba(18, 62, 99, .28);
}

.pc-topic:first-child {
  border-top: 2px solid rgba(18, 62, 99, .28);
}

.pc-topic__btn {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--sea-deep);
  font-family: var(--font-body);
}

.pc-topic__btn::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--teal);
  transition: transform .22s var(--ease), color .22s var(--ease);
}

.pc-topic[data-open] .pc-topic__btn::after {
  content: "\2013";
  color: var(--clay);
}

.pc-topic__num {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  background: var(--sea-deep);
  padding: 4px 0;
  text-align: center;
}

.pc-topic__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.35;
}

.pc-topic__panel {
  padding: 0 0 20px 50px;
}

.pc-topic__panel p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: #1B3A56;
}

.pc-topic__ask {
  padding-left: 12px;
  border-left: 3px solid var(--amber);
  font-size: 13px !important;
  color: var(--sea-deep) !important;
}

/* ---------- 处理流程 ---------- */
.pc-flow {
  padding: 56px 0 60px;
  background: var(--sea-night);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
}

.pc-flow__head {
  margin-bottom: 32px;
}

.pc-index {
  margin: 0 0 12px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--violet);
}

.pc-flow__head h2 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.16;
  color: var(--ivory);
}

.pc-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.pc-step {
  position: relative;
  padding: 24px 20px 26px;
  background: rgba(6, 26, 46, .78);
  border-left: 3px solid var(--line-blue);
}

.pc-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease);
}

.pc-step:hover::before {
  transform: scaleX(1);
}

.pc-step__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  color: var(--cyan);
}

.pc-step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .01em;
  color: var(--ivory);
}

.pc-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-dim);
}

/* ---------- 订阅与合作 ---------- */
.page-contact .pc-partner {
  background: var(--ivory);
  color: var(--sea-deep);
  padding: 56px 0 64px;
}

.pc-partner__inner {
  display: grid;
  gap: 36px;
}

.pc-partner h2 {
  margin: 0 0 16px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.16;
  color: var(--sea-deep);
}

.pc-partner__lede {
  max-width: 58ch;
  margin: 0 0 30px;
  font-size: 15px;
  line-height: 1.8;
  color: #1B3A56;
}

.pc-partner__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 0;
}

.pc-partner__list li {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-top: 2px solid rgba(18, 62, 99, .22);
}

.pc-partner__list li:last-child {
  border-bottom: 2px solid rgba(18, 62, 99, .22);
}

.pc-partner__key {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--clay);
}

.pc-partner__val {
  font-size: 14px;
  line-height: 1.8;
  color: #1B3A56;
}

.pc-partner__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #1B3A56;
}

.pc-partner__media {
  margin: 0;
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 0 var(--ink);
  background: var(--sea-night);
  overflow: hidden;
}

.pc-partner__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06);
}

.pc-partner__media figcaption {
  padding: 12px 16px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--stone);
  background: var(--sea-deep);
}

/* ---------- 站点信息 ---------- */
.pc-meta {
  padding: 44px 0 56px;
  background: var(--sea-deep);
  border-top: 1px solid var(--line-blue);
}

.pc-meta__inner {
  max-width: 78ch;
}

.pc-meta__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--ivory);
}

.pc-meta__icp {
  margin: 0 0 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line-blue);
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--stone);
}

.pc-meta__links {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .pc-hero__quick li {
    grid-template-columns: 110px 1fr;
    gap: 14px;
    align-items: baseline;
  }

  .pc-partner__list li {
    grid-template-columns: 150px 1fr;
    gap: 18px;
    align-items: baseline;
  }

  .pc-clock li {
    height: 46px;
  }

  .pc-clock li span {
    display: block;
  }

  .pc-clock li {
    font-size: 10px;
  }
}

@media (min-width: 980px) {
  .pc-hero__inner {
    grid-template-columns: 1.1fr .9fr;
    align-items: end;
    gap: 48px;
    padding: 56px 0 72px;
  }

  .pc-tracks {
    padding-top: 64px;
  }

  .pc-tracks__frame {
    grid-template-columns: .95fr 1.05fr;
  }

  .pc-tracks__left {
    padding: 48px 60px 56px 40px;
    clip-path: polygon(0 0, 100% 0, calc(100% - var(--pc-cut)) 100%, 0 100%);
  }

  .pc-tracks__right {
    margin-left: calc(-1 * var(--pc-cut));
    padding: 48px 40px 56px 84px;
  }

  .pc-flow {
    padding: 72px 0 76px;
  }

  .pc-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2px;
  }

  .pc-partner__inner {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
    gap: 56px;
  }
}

@media (min-width: 1240px) {
  .pc-tracks__left {
    padding: 56px 80px 64px 48px;
  }

  .pc-tracks__right {
    padding: 56px 48px 64px 104px;
  }

  .pc-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}