.page-contact {
  --pc-notch: 20px;
  --pc-edge: rgba(233, 242, 239, .13);
  --pc-paper-line: rgba(11, 27, 23, .16);
  --pc-soft: rgba(233, 242, 239, .74);
  background: var(--emc-ink);
  color: var(--emc-white);
  font-family: var(--emc-font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: 22px 0 58px;
  overflow: hidden;
  background: var(--emc-ink);
}

.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 31, 26, .74) 0%, rgba(11, 31, 26, .9) 52%, var(--emc-ink) 100%);
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero .emc-breadcrumb {
  margin-bottom: 40px;
}

.page-contact .pc-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--emc-cyan);
}

.page-contact .pc-hero__title {
  margin: 0 0 20px;
  font-family: var(--emc-font-head);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 70px);
  line-height: 1.05;
  letter-spacing: -.025em;
}

.page-contact .pc-hero__lede {
  max-width: 34em;
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--pc-soft);
}

/* ---------- 首屏两张联系卡 ---------- */
.page-contact .pc-cards {
  display: grid;
  gap: 16px;
  margin-top: 38px;
}

.page-contact .pc-card {
  position: relative;
  padding: 26px 22px 26px;
  background: var(--emc-paper);
  color: var(--emc-ink-text);
  clip-path: polygon(0 0, calc(100% - var(--pc-notch)) 0, 100% var(--pc-notch), 100% 100%, 0 100%);
}

.page-contact .pc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 4px;
  background: var(--emc-cyan);
}

.page-contact .pc-card--phone::before {
  background: var(--emc-orange);
}

.page-contact .pc-card__label {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(11, 27, 23, .6);
}

.page-contact .pc-card__value {
  margin: 0 0 8px;
  font-family: var(--emc-font-mono);
  font-weight: 700;
  font-size: clamp(19px, 4.8vw, 30px);
  line-height: 1.22;
  letter-spacing: -.01em;
  word-break: break-all;
}

.page-contact .pc-card--phone .pc-card__value {
  word-break: normal;
  letter-spacing: .02em;
}

.page-contact .pc-card__meta {
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(11, 27, 23, .68);
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--pc-paper-line);
}

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

.page-contact .pc-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(11, 27, 23, .84);
}

.page-contact .pc-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 2px;
  background: var(--emc-orange);
}

.page-contact .pc-card--mail .pc-card__list li::before {
  background: var(--emc-cyan);
}

.page-contact .pc-card__btn {
  display: inline-block;
  margin-top: 20px;
}

.page-contact .pc-card__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-paper-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(11, 27, 23, .66);
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-sec {
  padding: 54px 0;
  background: var(--emc-ink);
}

.page-contact .pc-sec .emc-band {
  margin-bottom: 26px;
}

/* ---------- 地址 ---------- */
.page-contact .pc-addr {
  display: grid;
  gap: 16px;
}

.page-contact .pc-addr__map {
  position: relative;
  padding: 28px 22px 30px;
  background-color: var(--emc-deep);
  background-image:
    repeating-linear-gradient(0deg, rgba(43, 231, 200, .1) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(43, 231, 200, .1) 0 1px, transparent 1px 44px);
  border: 1px solid var(--pc-edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-notch)), calc(100% - var(--pc-notch)) 100%, 0 100%);
}

.page-contact .pc-addr__pin {
  display: block;
  width: 13px;
  height: 13px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--emc-orange);
  box-shadow: 0 0 0 7px rgba(255, 106, 43, .16), 0 0 22px rgba(255, 106, 43, .55);
}

.page-contact .pc-addr__tag {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--emc-cyan);
}

.page-contact .pc-addr__street {
  margin: 0 0 16px;
  font-family: var(--emc-font-head);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 36px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--emc-white);
}

.page-contact .pc-addr__hint {
  margin: 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .pc-addr__side {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .pc-acc {
  background: rgba(22, 48, 42, .58);
  border: 1px solid var(--pc-edge);
  padding: 0 16px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-contact .pc-acc__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--emc-white);
}

.page-contact .pc-acc__q::-webkit-details-marker {
  display: none;
}

.page-contact .pc-acc__q::after {
  content: "+";
  flex: none;
  font-family: var(--emc-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--emc-cyan);
}

.page-contact .pc-acc[open] .pc-acc__q::after {
  content: "–";
  color: var(--emc-orange);
}

.page-contact .pc-acc__a {
  padding-bottom: 16px;
}

.page-contact .pc-acc__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-soft);
}

/* ---------- 合作与数据更正 ---------- */
.page-contact .pc-routes {
  display: grid;
  gap: 22px;
}

.page-contact .pc-routes__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--pc-edge);
  clip-path: polygon(0 0, calc(100% - var(--pc-notch)) 0, 100% var(--pc-notch), 100% 100%, 0 100%);
}

.page-contact .pc-routes__list {
  display: grid;
  gap: 14px;
}

.page-contact .pc-route {
  padding: 20px 18px 22px;
  background: rgba(22, 48, 42, .52);
  border: 1px solid var(--pc-edge);
  border-left: 3px solid var(--emc-cyan);
  transition: transform var(--emc-t-base) var(--emc-ease), border-left-color var(--emc-t-base) var(--emc-ease);
}

.page-contact .pc-route:hover {
  transform: translateY(-4px);
  border-left-color: var(--emc-orange);
}

.page-contact .pc-route .emc-tag {
  margin-bottom: 12px;
}

.page-contact .pc-route__title {
  margin: 0 0 10px;
  font-family: var(--emc-font-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--emc-white);
}

.page-contact .pc-route__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-soft);
}

.page-contact .pc-route__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--emc-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--emc-line-strong);
  padding-bottom: 2px;
  transition: color var(--emc-t-fast) var(--emc-ease), border-color var(--emc-t-fast) var(--emc-ease);
}

.page-contact .pc-route__link:hover {
  color: var(--emc-orange);
  border-color: var(--emc-orange);
}

/* ---------- 来信清单（暖纸章节） ---------- */
.page-contact .pc-sec--paper {
  background: var(--emc-paper);
  color: var(--emc-ink-text);
}

.page-contact .pc-sec--paper .emc-band__num,
.page-contact .pc-sec--paper .emc-band__title {
  color: var(--emc-ink-text);
}

.page-contact .pc-sec--paper .emc-band__note {
  color: rgba(11, 27, 23, .66);
}

.page-contact .pc-notes {
  display: grid;
  gap: 14px;
}

.page-contact .pc-note {
  position: relative;
  padding: 22px 20px 24px;
  background-color: rgba(255, 255, 255, .6);
  background-image: repeating-linear-gradient(0deg, rgba(11, 27, 23, .07) 0 1px, transparent 1px 27px);
  border: 1px solid var(--pc-paper-line);
  border-bottom: 3px solid var(--emc-cyan);
}

.page-contact .pc-note:nth-child(2) {
  border-bottom-color: var(--emc-orange);
}

.page-contact .pc-note:nth-child(3) {
  border-bottom-color: var(--emc-violet);
}

.page-contact .pc-note:nth-child(4) {
  border-bottom-color: var(--emc-gold);
}

.page-contact .pc-note__code {
  margin: 0 0 12px;
  font-family: var(--emc-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: rgba(11, 27, 23, .5);
}

.page-contact .pc-note__title {
  margin: 0 0 10px;
  font-family: var(--emc-font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--emc-ink-text);
}

.page-contact .pc-note__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(11, 27, 23, .8);
}

.page-contact .pc-note__link {
  color: #0d5b4d;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(13, 91, 77, .4);
}

.page-contact .pc-note__link:hover {
  color: var(--emc-orange);
  border-color: var(--emc-orange);
}

.page-contact .pc-msg__foot {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 2px solid rgba(11, 27, 23, .16);
  max-width: 62em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(11, 27, 23, .74);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-notes {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .pc-routes__list {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding: 26px 0 88px;
  }

  .page-contact .pc-cards {
    grid-template-columns: 1.2fr .8fr;
    gap: 20px;
    margin-top: 46px;
  }

  .page-contact .pc-card {
    padding: 32px 30px 30px;
  }

  .page-contact .pc-sec {
    padding: 86px 0;
  }

  .page-contact .pc-sec .emc-band {
    margin-bottom: 34px;
  }

  .page-contact .pc-addr {
    grid-template-columns: 7fr 5fr;
    gap: 20px;
    align-items: start;
  }

  .page-contact .pc-addr__map {
    padding: 38px 34px 42px;
  }

  .page-contact .pc-routes {
    grid-template-columns: 5fr 7fr;
    gap: 26px;
    align-items: start;
  }

  .page-contact .pc-notes {
    gap: 18px;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-notes {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-route {
    transition: none;
  }

  .page-contact .pc-route:hover {
    transform: none;
  }
}