.page-contact {
  --contact-rail-w: 214px;
  --contact-mail: var(--cyan);
  --contact-tel: var(--orange);
  --contact-addr: var(--copper);
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 4vw, 52px) 0 clamp(40px, 6vw, 78px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(36, 28, 66, 0.5), transparent 62%),
    linear-gradient(180deg, rgba(10, 29, 25, 0), rgba(16, 20, 19, 0.55));
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 4vw, 72px);
  }
}

.page-contact .contact-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 0;
}

.page-contact .contact-hero__intro {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 54ch;
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .contact-hero__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--copper);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .contact-hero__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .contact-hero__media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 渠道索引 + 卡片 ---------- */
.page-contact .contact-channels {
  padding-top: clamp(40px, 6vw, 78px);
}

.page-contact .contact-layout {
  gap: clamp(24px, 3vw, 44px);
}

.page-contact .contact-rail__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

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

.page-contact .contact-rail__list .anchor-rail__link {
  font-size: 13px;
}

@media (min-width: 960px) {
  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
    align-self: start;
  }
  .page-contact .contact-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    border-left: 1px solid var(--line);
    padding-left: 14px;
  }
}

.page-contact .contact-stack {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  border-left: 3px solid var(--line);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .contact-card--mail { border-left-color: var(--contact-mail); }
.page-contact .contact-card--tel { border-left-color: var(--contact-tel); }
.page-contact .contact-card--addr { border-left-color: var(--contact-addr); }

.page-contact .contact-card:hover {
  transform: translateX(3px);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .contact-card__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
  background: var(--line);
}

.page-contact .contact-card--mail .contact-card__dot {
  background: var(--contact-mail);
  box-shadow: 0 0 0 5px rgba(61, 242, 210, 0.13);
}
.page-contact .contact-card--tel .contact-card__dot {
  background: var(--contact-tel);
  box-shadow: 0 0 0 5px rgba(255, 107, 44, 0.14);
}
.page-contact .contact-card--addr .contact-card__dot {
  background: var(--contact-addr);
  box-shadow: 0 0 0 5px rgba(201, 162, 75, 0.15);
}

.page-contact .contact-card__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .contact-card__body p {
  margin: 0 0 14px;
  max-width: 62ch;
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .contact-card__body p:last-of-type { margin-bottom: 0; }

.page-contact .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin: 18px 0 0;
  padding: 14px 16px;
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .contact-line__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .contact-line__v {
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: var(--cyan);
  word-break: break-all;
  letter-spacing: 0.01em;
}

.page-contact .contact-card--tel .contact-line__v { color: var(--orange); }

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-contact .contact-copy.is-copied {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .contact-card__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 地址卡分栏 */
.page-contact .contact-card__body--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 780px) {
  .page-contact .contact-card__body--split {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: clamp(20px, 3vw, 36px);
  }
}

.page-contact .contact-addr__lines {
  margin: 18px 0 0;
  padding: 14px 16px;
  background: var(--slate);
  border: 1px dashed var(--copper);
  border-radius: var(--radius);
  font-size: clamp(0.94rem, 1.4vw, 1.05rem);
  line-height: 1.9;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-contact .contact-addr__hint {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .contact-addr__media {
  border: 1px solid var(--line);
}

.page-contact .contact-addr__media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep-section {
  border-top: 1px solid var(--line);
}

.page-contact .contact-prep-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .contact-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .page-contact .contact-prep {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .page-contact .contact-prep__item:last-child {
    grid-column: 1 / -1;
  }
}

.page-contact .contact-prep__item label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--carbon);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .contact-prep__item label:hover {
  border-color: var(--copper);
}

.page-contact .contact-prep__item input[type="checkbox"] {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  accent-color: var(--cyan);
}

.page-contact .contact-prep__item span {
  line-height: 1.7;
  font-size: 0.95rem;
  color: var(--body-text);
}

.page-contact .contact-prep__item strong {
  color: var(--paper);
  font-weight: 600;
}

.page-contact .contact-prep__item input:checked ~ span {
  color: var(--mist);
}

.page-contact .contact-prep__foot {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-prep__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 210, 0.4);
}

.page-contact .contact-prep__foot a:hover {
  color: var(--paper);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .contact-coop {
  border-top: 1px solid var(--line);
}

.page-contact .contact-coop-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .contact-coop__grid {
  gap: clamp(18px, 2.4vw, 26px);
}

.page-contact .contact-channel {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius);
}

.page-contact .contact-channel__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper);
  border: 1px solid rgba(201, 162, 75, 0.4);
  border-radius: var(--radius);
}

.page-contact .contact-channel__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  font-weight: 900;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .contact-channel p {
  margin: 0 0 14px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .contact-channel__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .contact-channel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--body-text);
}

.page-contact .contact-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 1px;
  background: var(--copper);
}

.page-contact .contact-channel__foot {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-channel__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 210, 0.4);
}

/* ---------- 服务区域 ---------- */
.page-contact .contact-region {
  margin-top: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-region__grid {
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .contact-region__lead .section__num {
  display: block;
  margin-bottom: 10px;
}

.page-contact .contact-region__lead p {
  margin: 0 0 16px;
  max-width: 58ch;
  line-height: 1.85;
  color: var(--body-text);
}

.page-contact .contact-region__foot {
  font-size: 13px;
  color: var(--mist);
}

.page-contact .contact-region__map {
  position: relative;
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(10, 29, 25, 0.85), rgba(10, 29, 25, 0.4)),
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(42, 59, 54, 0.9) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(42, 59, 54, 0.9) 23px 24px),
    var(--carbon);
  display: grid;
  align-content: start;
  gap: 12px;
  overflow: hidden;
}

.page-contact .contact-region__origin {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .contact-region__line {
  display: block;
  width: 1px;
  height: clamp(40px, 8vw, 76px);
  margin-left: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(61, 242, 210, 0));
}

.page-contact .contact-region__node {
  position: relative;
  padding-left: 16px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--paper);
}

.page-contact .contact-region__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
}

.page-contact .contact-region__node--b::before { background: var(--orange); }
.page-contact .contact-region__node--c::before { background: var(--cyan); }

.page-contact .contact-region__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 420px) {
  .page-contact .contact-line {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .page-contact .contact-actions .btn,
  .page-contact .contact-region__cta .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-prep__item label {
    transition: none;
  }
  .page-contact .contact-card:hover {
    transform: none;
  }
}
<<<END>>>