.page-contact {
  --pc-line-soft: rgba(44, 58, 107, .55);
  --pc-line-mid: rgba(44, 58, 107, .85);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-crumbs {
  padding-top: 20px;
}

.page-contact .pc-crumb-sep {
  margin: 0 8px;
  color: var(--ink-500);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-head {
  padding: clamp(22px, 4vw, 42px) 0 clamp(18px, 3vw, 30px);
}

.page-contact .pc-head h1 {
  margin: 16px 0 0;
  max-width: 780px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .pc-lead {
  margin: 20px 0 0;
  max-width: 660px;
  font-size: 17px;
  line-height: 1.88;
  color: var(--muted);
}

.page-contact .pc-head-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 顶部信息带图 ---------- */
.page-contact .pc-band {
  margin: clamp(6px, 1.5vw, 14px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* ---------- 主栅格 ---------- */
.page-contact .pc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 40px);
  margin-top: clamp(34px, 6vw, 64px);
}

/* ---------- 左侧联系方式索引 ---------- */
.page-contact .pc-index {
  position: relative;
  padding: 26px 22px 26px 26px;
  background: var(--ink-800);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-lg);
}

.page-contact .pc-index::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  bottom: 28px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(51, 242, 212, 0) 72%);
}

.page-contact .pc-index-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--text);
}

.page-contact .pc-index-sub {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-contact-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .pc-contact-list > li {
  padding-top: 18px;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-contact-list > li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-contact .pc-val {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-val-addr {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: var(--text);
}

.page-contact .pc-val-addr svg {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  fill: var(--amber);
}

.page-contact .pc-note {
  display: block;
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-sec-head {
  max-width: 720px;
}

.page-contact .pc-sec-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .pc-sec-sub {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 咨询分类卡 ---------- */
.page-contact .pc-ask-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.page-contact .pc-ask-card {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--ink-800);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-md);
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}

.page-contact .pc-ask-card:hover {
  border-color: var(--cyan-line);
  transform: translateY(-3px);
}

.page-contact .pc-ask-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .pc-ask-card h3 {
  display: inline-block;
  margin: 12px 0 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--amber);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -.005em;
  color: var(--text);
}

.page-contact .pc-ask-desc {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .pc-prep-label {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .pc-prep {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .pc-prep li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .pc-prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--cyan);
  border-radius: 1px;
}

/* ---------- 合作全宽区 ---------- */
.page-contact .pc-coop {
  margin-top: clamp(48px, 8vw, 96px);
  padding: clamp(40px, 6vw, 72px) 0;
  background: linear-gradient(180deg, rgba(20, 28, 68, .92), rgba(10, 16, 48, .96));
  border-top: 1px solid var(--pc-line-soft);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.page-contact .pc-coop-card {
  padding: 26px 24px;
  border: 1px solid rgba(51, 242, 212, .16);
  border-radius: var(--r-md);
  background: rgba(30, 42, 86, .55);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}

.page-contact .pc-coop-card:hover {
  border-color: var(--cyan-line);
  transform: translateY(-4px);
}

.page-contact .pc-coop-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  color: var(--text);
}

.page-contact .pc-coop-card > p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .pc-coop-need {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--pc-line-mid);
}

.page-contact .pc-coop-need .pc-prep-label {
  margin-top: 0;
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .pc-visit {
  margin-top: clamp(48px, 8vw, 92px);
}

.page-contact .pc-visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.page-contact .pc-visit-block {
  position: relative;
  padding: 24px 22px 24px 26px;
  background: var(--ink-850);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-md);
}

.page-contact .pc-visit-block::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 2px;
  border-radius: 2px;
  background: var(--amber);
  opacity: .85;
}

.page-contact .pc-visit-block h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--text);
}

.page-contact .pc-visit-block p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-cadence {
  margin-top: clamp(48px, 8vw, 92px);
}

.page-contact .pc-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-contact .pc-timeline > li {
  position: relative;
  padding: 0 0 28px 30px;
  border-left: 1px solid var(--pc-line-soft);
}

.page-contact .pc-timeline > li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .pc-timeline > li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(51, 242, 212, .08);
}

.page-contact .pc-timeline h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--text);
}

.page-contact .pc-timeline p {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-cadence-note {
  margin: 30px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-md);
  background: rgba(20, 28, 68, .6);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .pc-cadence-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

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

/* ---------- 底部服务时间玻璃带 ---------- */
.page-contact .pc-hours {
  margin-top: clamp(52px, 9vw, 100px);
  padding: clamp(34px, 6vw, 68px) 0;
  background: linear-gradient(180deg, rgba(30, 42, 86, .42), rgba(10, 16, 48, .82));
  border-top: 1px solid rgba(51, 242, 212, .22);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.page-contact .pc-hours-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-contact .pc-hours-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .pc-hours-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--text);
}

.page-contact .pc-hours-copy > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-hours-rows {
  margin: 24px 0 0;
}

.page-contact .pc-hours-rows > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-hours-rows > div:last-child {
  border-bottom: 0;
}

.page-contact .pc-hours-rows dt {
  font-size: 13px;
  color: var(--muted);
}

.page-contact .pc-hours-rows dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-ask-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pc-visit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hours-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-grid {
    grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 60px);
    align-items: start;
  }

  .page-contact .pc-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-ask-card,
  .page-contact .pc-coop-card,
  .page-contact .pc-visit-block {
    transition: none;
  }

  .page-contact .pc-ask-card:hover,
  .page-contact .pc-coop-card:hover {
    transform: none;
  }
}