.page-contact {
  --contact-cut: 20px;
  --contact-gap: clamp(18px, 2.4vw, 32px);
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: clamp(36px, 5vw, 64px);
}

.page-contact .contact-hero__crumb {
  margin-bottom: 32px;
}

.page-contact .contact-hero__eyebrow {
  margin: 0;
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-size: clamp(38px, 6.6vw, 92px);
  font-weight: 200;
  line-height: 1.03;
  letter-spacing: -.025em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin-top: 26px;
  max-width: 680px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(251, 248, 242, .78);
}

/* ============ 三块渠道卡 ============ */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  margin-top: clamp(36px, 5vw, 60px);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  padding: clamp(24px, 3vw, 38px);
  overflow: hidden;
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--red);
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--cyan), 0 22px 44px rgba(0, 0, 0, .38);
}

.page-contact .contact-card__no {
  margin: 0;
  color: var(--gold);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .contact-card__value {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 21px);
  line-height: 1.5;
  letter-spacing: .06em;
  word-break: break-all;
  color: var(--cyan);
}

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

.page-contact .contact-card__value--text {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  color: var(--white);
}

.page-contact .contact-card__meta {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .contact-card__list {
  margin: auto 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .contact-card__list li {
  position: relative;
  padding-left: 18px;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 248, 242, .72);
}

.page-contact .contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--red);
}

/* ============ 路径示意图 ============ */
.page-contact .contact-route {
  padding-top: clamp(24px, 3vw, 40px);
}

.page-contact .contact-route__media {
  width: 100%;
  aspect-ratio: 3 / 2;
  margin: 0;
}

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

/* ============ 需求分流 ============ */
.page-contact .contact-needs {
  padding-top: clamp(56px, 8vw, 112px);
}

.page-contact .contact-needs__head {
  max-width: 720px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .need-list {
  border-top: 1px solid var(--line);
  max-width: 1040px;
}

.page-contact .need-row {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(124, 31, 44, .14) 0%, rgba(18, 32, 54, 0) 42%);
}

.page-contact .need-row .disclosure__summary {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 24px 48px 24px 20px;
  cursor: pointer;
  list-style: none;
}

.page-contact .need-row .disclosure__summary::-webkit-details-marker {
  display: none;
}

.page-contact .need-row .disclosure__summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--red);
  transition: background .3s var(--ease);
}

.page-contact .need-row .disclosure__summary::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--mute);
  border-bottom: 1.5px solid var(--mute);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .need-row[open] .disclosure__summary::before {
  background: var(--cyan);
}

.page-contact .need-row[open] .disclosure__summary::after {
  transform: translateY(-30%) rotate(225deg);
  border-color: var(--cyan);
}

.page-contact .need-row .disclosure__index {
  color: var(--gold);
  padding-top: 4px;
}

.page-contact .need-row__title {
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .need-row__hint {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .need-row__body {
  padding: 4px 48px 30px 66px;
}

.page-contact .need-row__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(251, 248, 242, .78);
}

.page-contact .need-row__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 196, .38);
}

.page-contact .need-row__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .need-row__list li {
  position: relative;
  padding-left: 20px;
  margin-top: 9px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .need-row__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ============ 自助路径 ============ */
.page-contact .contact-self {
  padding-top: clamp(56px, 8vw, 112px);
}

.page-contact .selfserve {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .selfserve__intro .section-title {
  margin-top: 12px;
}

.page-contact .selfserve__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .selfserve__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 12px 18px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background .28s var(--ease), padding-left .28s var(--ease);
}

.page-contact .selfserve__item:hover,
.page-contact .selfserve__item:focus-visible {
  background: rgba(59, 224, 196, .06);
  padding-left: 12px;
}

.page-contact .selfserve__tag {
  flex: 0 0 auto;
  min-width: 46px;
  color: var(--mute);
}

.page-contact .selfserve__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(251, 248, 242, .86);
}

.page-contact .selfserve__go {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold);
  transition: transform .28s var(--ease);
}

.page-contact .selfserve__item:hover .selfserve__go {
  transform: translateX(5px);
}

/* ============ 回复节奏 ============ */
.page-contact .contact-pace {
  padding-top: clamp(56px, 8vw, 112px);
}

.page-contact .contact-pace__head {
  max-width: 640px;
  margin-bottom: clamp(26px, 3.5vw, 44px);
}

.page-contact .pace-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 900px;
}

.page-contact .pace-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding: 24px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .pace-item:last-child {
  border-bottom: 1px dashed var(--line);
}

.page-contact .pace-item__no {
  font-size: 22px;
  line-height: 1.2;
  color: var(--red);
  filter: brightness(1.9);
}

.page-contact .pace-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .pace-item__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

/* ============ 收尾：纹理 + 备案带 ============ */
.page-contact .contact-close {
  padding-top: clamp(56px, 8vw, 112px);
  padding-bottom: clamp(48px, 6vw, 88px);
}

.page-contact .contact-close__figure {
  width: 100%;
  aspect-ratio: 8 / 3;
  margin: 0;
}

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

.page-contact .contact-reg {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 22px;
  padding: 20px 22px;
  border: 1px solid var(--line-soft);
}

.page-contact .contact-reg__label {
  margin: 0 0 8px;
  color: var(--mute);
}

.page-contact .contact-reg__icp {
  margin: 0;
  font-size: 14px;
  letter-spacing: .08em;
  color: rgba(251, 248, 242, .68);
}

.page-contact .contact-reg__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
}

.page-contact .contact-reg__links a {
  font-size: 14px;
  color: rgba(251, 248, 242, .68);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color .26s var(--ease), border-color .26s var(--ease);
}

.page-contact .contact-reg__links a:hover,
.page-contact .contact-reg__links a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ============ 桌面端 ============ */
@media (min-width: 900px) {
  .page-contact .contact-cards {
    grid-template-columns: 1.3fr 1fr .92fr;
    align-items: start;
  }

  .page-contact .contact-card--mail {
    min-height: 372px;
  }

  .page-contact .contact-card--phone {
    min-height: 306px;
    margin-top: 26px;
  }

  .page-contact .contact-card--addr {
    min-height: 246px;
    margin-top: 52px;
  }

  .page-contact .selfserve {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  }

  .page-contact .contact-reg {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .contact-reg__links {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-contact .need-row__body {
    padding-right: 120px;
  }

  .page-contact .pace-item {
    grid-template-columns: 72px minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .page-contact .need-row .disclosure__summary {
    grid-template-columns: 34px minmax(0, 1fr);
    padding-right: 36px;
  }

  .page-contact .need-row__body {
    padding: 4px 18px 26px 54px;
  }

  .page-contact .pace-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }
}
<<<END>>>