.page-contact {
  --pc-line: rgba(11, 122, 138, 0.18);
  --pc-line-soft: rgba(11, 122, 138, 0.1);
  --pc-ink-soft: rgba(247, 244, 236, 0.74);
  --pc-glass-line: rgba(183, 221, 224, 0.28);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(24px, 5vw, 54px) 0 clamp(40px, 7vw, 84px);
  color: var(--cream);
  background:
    radial-gradient(120% 96% at 90% 4%, rgba(30, 158, 114, 0.3), transparent 62%),
    radial-gradient(90% 70% at 2% 96%, rgba(11, 122, 138, 0.34), transparent 62%),
    var(--ink);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--peacock), var(--jade) 44%, var(--gold) 76%, var(--coral));
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-contact .pc-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--pc-ink-soft);
}

.page-contact .pc-hero .crumbs a {
  color: var(--glass);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 221, 224, 0.42);
  padding-bottom: 1px;
}

.page-contact .pc-hero .crumbs a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .pc-hero .crumbs__sep {
  color: rgba(247, 244, 236, 0.38);
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--peacock-deep);
}

.page-contact .pc-hero__eyebrow {
  margin-top: 20px;
  color: var(--gold);
}

.page-contact .pc-h1 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(29px, 7.2vw, 52px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--cream);
  max-width: 17ch;
}

.page-contact .pc-hero__dek {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-ink-soft);
}

.page-contact .pc-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero__chips li {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.4;
  padding: 7px 13px;
  border-radius: 999px;
  color: var(--glass);
  background: rgba(183, 221, 224, 0.12);
  border: 1px solid var(--pc-glass-line);
}

/* 联系卡片 */
.page-contact .pc-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3.6vw, 34px);
  background: linear-gradient(155deg, rgba(183, 221, 224, 0.16), rgba(12, 16, 34, 0.76));
  border: 1px solid var(--pc-glass-line);
  box-shadow: 0 26px 60px -32px rgba(0, 0, 0, 0.78);
}

.page-contact .pc-card__art {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.34;
  pointer-events: none;
}

.page-contact .pc-card__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.page-contact .pc-card__kicker {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--jade);
}

.page-contact .pc-item + .pc-item {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(183, 221, 224, 0.2);
}

.page-contact .pc-item__label {
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--glass);
}

.page-contact .pc-item__value {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-weight: 600;
  user-select: all;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-item__value--mail {
  font-size: clamp(16px, 3.8vw, 22px);
  color: var(--cream);
  letter-spacing: 0.01em;
}

.page-contact .pc-item__value--tel {
  font-size: clamp(26px, 7.6vw, 38px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-contact .pc-item__hint {
  margin: 7px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(183, 221, 224, 0.8);
}

.page-contact .pc-meta {
  margin: 22px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(183, 221, 224, 0.2);
  display: grid;
  gap: 12px;
}

.page-contact .pc-meta dt {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--glass);
}

.page-contact .pc-meta dd {
  margin: 3px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

/* ---------- 通用章节 ---------- */
.page-contact .pc-sec {
  padding: clamp(42px, 6vw, 84px) 0;
}

.page-contact .pc-sec__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-contact .pc-sec__aside {
  min-width: 0;
}

.page-contact .pc-sec__body {
  min-width: 0;
}

.page-contact .num {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--jade);
  margin-right: 6px;
}

.page-contact .pc-h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(23px, 4.4vw, 36px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--ink);
  max-width: 18ch;
}

.page-contact .pc-h3 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .pc-aside-note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stone);
  max-width: 34ch;
}

/* ---------- 咨询前准备 ---------- */
.page-contact .pc-sec--prep {
  background: var(--cream);
}

.page-contact .pc-prep {
  display: grid;
  gap: 12px;
}

.page-contact .pc-prep__item {
  background: var(--cream-2);
  border: 1px solid var(--pc-line-soft);
  border-left: 3px solid var(--jade);
  border-radius: var(--radius-sm);
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

.page-contact .pc-prep__item[open] {
  background: var(--cream);
  border-color: var(--pc-line);
  border-left-color: var(--peacock);
}

.page-contact .pc-prep__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

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

.page-contact .pc-prep__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 19px;
  line-height: 1;
  color: var(--peacock);
  transition: transform 0.24s ease, color 0.24s ease;
}

.page-contact .pc-prep__item[open] summary::after {
  transform: rotate(45deg);
  color: var(--coral);
}

.page-contact .pc-prep__item summary:hover {
  color: var(--peacock-deep);
}

.page-contact .pc-prep__panel {
  padding: 0 18px 16px;
}

.page-contact .pc-prep__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 响应流程 ---------- */
.page-contact .pc-sec--flow {
  position: relative;
  background:
    linear-gradient(180deg, rgba(30, 158, 114, 0.06), rgba(11, 122, 138, 0.05)),
    var(--cream-2);
}

.page-contact .pc-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 20px 20px 20px 62px;
  background: var(--cream);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--radius-md);
}

.page-contact .pc-flow__step::after {
  content: "";
  position: absolute;
  left: 30px;
  top: 52px;
  bottom: -14px;
  width: 1px;
  background: linear-gradient(180deg, rgba(11, 122, 138, 0.4), rgba(11, 122, 138, 0));
}

.page-contact .pc-flow__step:last-child::after {
  display: none;
}

.page-contact .pc-flow__num {
  position: absolute;
  left: 16px;
  top: 20px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--cream);
  background: var(--peacock);
}

.page-contact .pc-flow__step:nth-child(2) .pc-flow__num {
  background: var(--peacock-deep);
}

.page-contact .pc-flow__step:nth-child(3) .pc-flow__num {
  background: var(--jade);
}

.page-contact .pc-flow__step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .pc-flow__figure {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
}

.page-contact .pc-flow__figure .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--pc-line-soft);
  background: var(--ink);
}

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

.page-contact .pc-flow__figure .figure__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 合作与内容纠错 ---------- */
.page-contact .pc-sec--coop {
  background: var(--cream);
}

.page-contact .pc-coop {
  display: grid;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-coop__row {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-coop__row p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .tag {
  justify-self: start;
  width: fit-content;
  margin: 0;
  padding: 5px 10px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--peacock-deep);
  background: rgba(11, 122, 138, 0.1);
  border: 1px solid rgba(11, 122, 138, 0.22);
}

.page-contact .tag--gold {
  color: #6b4a06;
  background: rgba(242, 181, 68, 0.2);
  border-color: rgba(242, 181, 68, 0.5);
}

.page-contact .tag--jade {
  color: #0d5f45;
  background: rgba(30, 158, 114, 0.14);
  border-color: rgba(30, 158, 114, 0.34);
}

.page-contact .pc-coop__mail {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(183, 221, 224, 0.24);
  border-left: 3px solid var(--peacock);
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .pc-coop__addr {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--peacock-deep);
  user-select: all;
  overflow-wrap: anywhere;
}

.page-contact .pc-coop__more {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .pc-coop__more a {
  color: var(--peacock-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 122, 138, 0.34);
  padding-bottom: 1px;
}

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

/* ---------- 站点信息 ---------- */
.page-contact .pc-sec--verify {
  padding-bottom: clamp(50px, 7vw, 96px);
  background: var(--cream);
}

.page-contact .pc-verify {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--radius-lg);
  color: var(--cream);
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(11, 122, 138, 0.42), transparent 60%),
    var(--ink-deep);
}

.page-contact .pc-verify__eyebrow {
  color: var(--gold);
}

.page-contact .pc-verify__icp {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(20px, 4.4vw, 30px);
  letter-spacing: 0.01em;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .pc-verify__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
  max-width: 40ch;
}

.page-contact .pc-verify__list {
  margin: 0;
  display: grid;
  gap: 14px;
  padding-top: 22px;
  border-top: 1px solid rgba(183, 221, 224, 0.2);
}

.page-contact .pc-verify__list dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--glass);
}

.page-contact .pc-verify__list dd {
  margin: 3px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cream);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .pc-verify__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-top: 20px;
  border-top: 1px solid rgba(183, 221, 224, 0.2);
}

.page-contact .pc-verify__links a {
  font-size: 13.5px;
  color: var(--glass);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 221, 224, 0.34);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .pc-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 20px;
  }

  .page-contact .pc-verify__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-coop__row {
    grid-template-columns: 118px minmax(0, 210px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .pc-coop__row .pc-h3 {
    margin: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: clamp(32px, 5vw, 68px);
  }

  .page-contact .pc-sec__grid {
    grid-template-columns: minmax(0, 296px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 68px);
  }

  .page-contact .pc-sec--prep .pc-sec__grid,
  .page-contact .pc-sec--coop .pc-sec__grid {
    grid-template-columns: minmax(0, 272px) minmax(0, 1fr);
  }

  .page-contact .pc-sec__aside {
    position: sticky;
    top: calc(var(--topbar) + 28px);
  }

  .page-contact .pc-flow {
    gap: 16px;
  }

  .page-contact .pc-verify {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }

  .page-contact .pc-verify__links {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-h1 {
    font-size: 52px;
  }

  .page-contact .pc-card {
    padding: 36px 34px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-prep__item,
  .page-contact .pc-prep__item summary::after,
  .page-contact .pc-verify__links a {
    transition: none;
  }
}