.page-contact {
  --pc-gap: clamp(1rem, 2.6vw, 1.75rem);
  --pc-r: 24px;
  --pc-card-bg: linear-gradient(158deg, rgba(18, 41, 74, .94) 0%, rgba(11, 27, 51, .92) 100%);
  --pc-soft: rgba(244, 247, 251, .72);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 7.5rem 0 5rem;
  background: var(--c-deep);
}

.page-contact .pc-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .pc-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 40%;
  opacity: .5;
}

.page-contact .pc-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 16%, rgba(242, 193, 78, .2), transparent 52%),
    linear-gradient(180deg, rgba(11, 27, 51, .78) 0%, rgba(11, 27, 51, .9) 55%, var(--c-deep) 100%);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  bottom: -1px;
  height: 68px;
  background: var(--c-deep);
  clip-path: polygon(0 66%, 100% 0, 100% 100%, 0 100%);
  z-index: -1;
}

.page-contact .pc-hero__inner {
  max-width: 860px;
}

.page-contact .pc-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin-bottom: 1.6rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--c-steel);
}

.page-contact .pc-crumb a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .pc-crumb a:hover,
.page-contact .pc-crumb a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--line-gold);
}

.page-contact .pc-hero h1 {
  margin: .55rem 0 0;
  font-size: clamp(1.95rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.025em;
  font-weight: 800;
  color: var(--c-chalk);
}

.page-contact .pc-hero__lead {
  margin: 1.1rem 0 0;
  max-width: 62ch;
  font-size: clamp(1rem, 2.2vw, 1.08rem);
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-contact .pc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.9rem;
}

.page-contact .pc-jump__item {
  display: inline-flex;
  align-items: center;
  padding: .5rem 1.05rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-mid);
  background: rgba(11, 27, 51, .55);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .pc-jump__item:hover,
.page-contact .pc-jump__item:focus-visible {
  color: var(--c-gold);
  border-color: var(--line-gold);
  background: rgba(30, 42, 61, .85);
}

/* ---------- 区块标题 ---------- */
.page-contact .pc-block {
  position: relative;
}

.page-contact .pc-sechead {
  max-width: 720px;
  margin-bottom: 2rem;
}

.page-contact .pc-sechead h2 {
  margin: .5rem 0 0;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--c-chalk);
}

.page-contact .pc-sechead__lead {
  margin: .85rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--pc-soft);
}

/* ---------- 两栏：反馈类型 + 联系方式 ---------- */
.page-contact .pc-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-card {
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  background: var(--pc-card-bg);
  margin-bottom: .7rem;
  overflow: hidden;
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease), transform .24s var(--ease);
}

.page-contact .pc-card:last-child {
  margin-bottom: 0;
}

.page-contact .pc-card:hover {
  border-color: var(--line-mid);
}

.page-contact .pc-card[open] {
  border-color: var(--line-gold);
  box-shadow: 0 22px 46px -30px rgba(242, 193, 78, .72);
}

.page-contact .pc-card__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .9rem;
  padding: 1.05rem 1.15rem;
  cursor: pointer;
  list-style: none;
  outline-offset: -3px;
}

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

.page-contact .pc-card__sum:focus-visible {
  outline: 2px solid var(--c-neon);
  border-radius: 20px;
}

.page-contact .pc-card__no {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--c-gold);
}

.page-contact .pc-card__head {
  display: grid;
  gap: .18rem;
  min-width: 0;
}

.page-contact .pc-card__title {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-chalk);
}

.page-contact .pc-card__meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--c-steel);
}

.page-contact .pc-card__sign {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.page-contact .pc-card__sign::before,
.page-contact .pc-card__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-gold);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

.page-contact .pc-card__sign::before {
  width: 14px;
  height: 2px;
}

.page-contact .pc-card__sign::after {
  width: 2px;
  height: 14px;
}

.page-contact .pc-card[open] .pc-card__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-contact .pc-card__body {
  padding: .95rem 1.15rem 1.2rem;
  border-top: 1px solid var(--line-soft);
  background: rgba(30, 42, 61, .5);
}

.page-contact .pc-card__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--pc-soft);
}

.page-contact .pc-card__body a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-contact .pc-card__body a:hover,
.page-contact .pc-card__body a:focus-visible {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

.page-contact .pc-list {
  list-style: none;
  margin: .8rem 0 0;
  padding: 0;
  display: grid;
  gap: .42rem;
}

.page-contact .pc-list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-neon);
}

.page-contact .pc-hint {
  margin-top: .85rem !important;
  font-family: var(--font-mono);
  font-size: .76rem !important;
  line-height: 1.6 !important;
  color: var(--c-gold) !important;
}

/* ---------- 联系方式面板 ---------- */
.page-contact .pc-reach {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-r);
  background: linear-gradient(162deg, #12294A 0%, #0B1B33 72%);
  padding: 1.4rem 1.2rem 1.3rem;
}

.page-contact .pc-reach::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold) 45%, transparent);
  opacity: .65;
}

.page-contact .pc-reach::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(72, 224, 200, .16), transparent 68%);
  pointer-events: none;
}

.page-contact .pc-reach__title {
  margin: .5rem 0 1.1rem;
  font-size: 1.16rem;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--c-chalk);
}

.page-contact .pc-reach__row {
  display: grid;
  gap: .3rem;
  padding: .95rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-reach__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}

.page-contact .pc-reach__label {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-steel);
}

.page-contact .pc-reach__value {
  font-family: var(--font-mono);
  font-size: clamp(.8rem, 3.1vw, .98rem);
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--c-chalk);
  overflow-wrap: anywhere;
}

.page-contact .pc-reach__value--addr {
  font-size: clamp(.82rem, 3.1vw, .92rem);
  color: var(--ink-soft);
}

.page-contact .pc-reach__note {
  margin: 0;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--c-steel);
}

.page-contact .pc-copy {
  flex: 0 0 auto;
}

.page-contact .pc-reach__foot {
  margin: 1.1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line-gold);
  font-family: var(--font-mono);
  font-size: .76rem;
  line-height: 1.65;
  color: var(--c-gold);
}

/* ---------- 处理节奏 ---------- */
.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  counter-reset: none;
}

.page-contact .pc-step {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  background: var(--c-graphite);
  padding: 1.5rem 1.1rem 1.2rem;
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 0;
  width: 38px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--c-gold);
}

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

.page-contact .pc-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--c-signal);
}

.page-contact .pc-step h3 {
  margin: .5rem 0 .5rem;
  font-size: 1.04rem;
  letter-spacing: -.01em;
  color: var(--c-chalk);
}

.page-contact .pc-step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--pc-soft);
}

/* ---------- 品牌合作 ---------- */
.page-contact .pc-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-coop__text h2 {
  margin: .5rem 0 .9rem;
  font-size: clamp(1.45rem, 3.6vw, 2.05rem);
  line-height: 1.26;
  letter-spacing: -.02em;
  color: var(--c-chalk);
}

.page-contact .pc-coop__text > p {
  margin: 0 0 .9rem;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--pc-soft);
}

.page-contact .pc-list--lg {
  gap: .7rem;
  margin-bottom: 1rem;
}

.page-contact .pc-list--lg li {
  font-size: .95rem;
  line-height: 1.78;
  padding-left: 1.15rem;
  padding-bottom: .7rem;
  border-bottom: 1px dashed rgba(124, 141, 166, .22);
}

.page-contact .pc-list--lg li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-list--lg strong {
  color: var(--c-gold);
  font-weight: 700;
}

.page-contact .pc-coop__text .btn {
  margin-top: 1.2rem;
}

.page-contact .pc-coop__fig {
  margin: 0;
  border-radius: var(--pc-r);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--c-panel);
}

.page-contact .pc-coop__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 42%;
}

.page-contact .pc-coop__fig figcaption {
  padding: .8rem 1rem 1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  line-height: 1.6;
  color: var(--c-steel);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 区域场景 ---------- */
.page-contact .pc-region-grid {
  align-items: stretch;
}

.page-contact .pc-region {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(14, 59, 46, .55), rgba(18, 41, 74, .6));
  padding: 1.3rem 1.15rem 1.15rem;
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

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

.page-contact .pc-region__city {
  margin: 0;
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--c-chalk);
}

.page-contact .pc-region__line {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .pc-region__dl {
  margin: 0;
  display: grid;
  gap: .55rem;
  padding-top: .75rem;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-region__dl div {
  display: grid;
  gap: .18rem;
}

.page-contact .pc-region__dl dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--c-gold);
}

.page-contact .pc-region__dl dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.68;
  color: var(--ink-soft);
}

.page-contact .pc-region__link {
  margin-top: auto;
  padding-top: .6rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .03em;
  color: var(--c-neon);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-contact .pc-region__link:hover,
.page-contact .pc-region__link:focus-visible {
  color: var(--c-gold);
}

/* ---------- 站点信息 ---------- */
.page-contact .pc-meta {
  padding-bottom: 4rem;
}

.page-contact .pc-meta__box {
  max-width: 780px;
  margin: 0 auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-r);
  background: rgba(30, 42, 61, .45);
  padding: 1.4rem 1.2rem 1.3rem;
}

.page-contact .pc-meta__dl {
  margin: 1rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem .4rem;
}

.page-contact .pc-meta__dl div {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  align-items: baseline;
  gap: .6rem;
  padding-bottom: .55rem;
  border-bottom: 1px solid rgba(124, 141, 166, .16);
}

.page-contact .pc-meta__dl div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-meta__dl dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--c-steel);
}

.page-contact .pc-meta__dl dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .02em;
  line-height: 1.6;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.page-contact .pc-meta__note {
  margin: 1.1rem 0 0;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--c-steel);
}

.page-contact .pc-meta__note a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-contact .pc-meta__note a:hover,
.page-contact .pc-meta__note a:focus-visible {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-hero {
    padding: 9rem 0 5.5rem;
  }

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

  .page-contact .pc-meta__dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .6rem 1.4rem;
  }

  .page-contact .pc-card__sum {
    padding: 1.15rem 1.35rem;
  }

  .page-contact .pc-card__body {
    padding: 1rem 1.35rem 1.35rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .92fr);
  }

  .page-contact .pc-split__side {
    position: sticky;
    top: 96px;
  }

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

  .page-contact .pc-coop__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
  }

  .page-contact .pc-reach {
    padding: 1.7rem 1.45rem 1.5rem;
  }

  .page-contact .pc-meta__box {
    padding: 1.7rem 1.6rem 1.5rem;
  }
}
<<<END>>>