.page-contact {
  --contact-paper-shadow: 0 22px 48px -30px rgba(0, 0, 0, .9);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(14px, 3vw, 26px);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  letter-spacing: .02em;
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--frost);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(6px, 1.6vw, 14px);
}

.page-contact .contact-hero__lead {
  max-width: 78ch;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--frost);
}

.page-contact .contact-hero__sub {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .hero-facts {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: clamp(18px, 3vw, 24px) 0 0;
  border-top: 1px dashed var(--line-steel);
  display: grid;
  gap: 18px 32px;
}

.page-contact .hero-facts li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .hero-facts .num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: .01em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 720px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 主体分屏 ---------- */
.page-contact .contact-body {
  padding-block: clamp(32px, 6vw, 62px) clamp(60px, 9vw, 110px);
}

.page-contact .contact-body__main {
  min-width: 0;
  display: grid;
  gap: clamp(48px, 7vw, 92px);
}

.page-contact .section-head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

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

/* ---------- 01 服务通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .channel-col {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  min-width: 0;
}

.page-contact .channel-side {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  min-width: 0;
}

@media (min-width: 960px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-contact .channel {
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-contact .card--paper {
  background: var(--cream);
  color: var(--cream-ink);
  box-shadow: var(--contact-paper-shadow);
}

.page-contact .card--paper .eyebrow {
  color: var(--ember);
}

.page-contact .channel__title {
  margin: 12px 0 10px;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  font-weight: 800;
  color: var(--frost);
}

.page-contact .card--paper .channel__title {
  color: var(--cream-ink);
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .card--paper .channel__desc {
  color: rgba(16, 19, 31, .78);
}

.page-contact .channel__value {
  margin-top: auto;
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px dashed var(--line-steel);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.9vw, 18px);
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--cyan);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-contact .card--paper .channel__value {
  border-top-color: rgba(16, 19, 31, .22);
  color: var(--cream-ink);
}

.page-contact .channel-figure {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.page-contact .prep-card {
  padding: clamp(20px, 3vw, 26px);
}

.page-contact .prep-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 02 处理顺序 ---------- */
.page-contact .sla-paper {
  padding: clamp(22px, 3.4vw, 40px);
  background: var(--cream);
  color: var(--cream-ink);
}

.page-contact .sla-intro {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  max-width: 66ch;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.84;
  color: rgba(16, 19, 31, .78);
}

.page-contact .sla-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .sla-track__item {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid rgba(16, 19, 31, .2);
}

.page-contact .sla-track__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .sla-track__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal-shadow);
  box-shadow: 0 0 0 4px rgba(47, 230, 214, .2);
}

.page-contact .sla-track__time {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
}

.page-contact .sla-track__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--cream-ink);
}

.page-contact .sla-track__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(16, 19, 31, .74);
}

@media (min-width: 880px) {
  .page-contact .sla-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid rgba(16, 19, 31, .2);
    padding-top: 32px;
  }

  .page-contact .sla-track__item {
    padding: 0 22px 0 0;
    border-left: 0;
  }

  .page-contact .sla-track__item:last-child {
    padding-right: 0;
  }

  .page-contact .sla-track__item::before {
    left: 0;
    top: -37px;
  }
}

/* ---------- 03 会员与权益 ---------- */
.page-contact .ask-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .ask-card {
  padding: clamp(20px, 2.6vw, 28px);
  min-width: 0;
}

.page-contact .ask-card__title {
  margin: 14px 0 10px;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.42;
  font-weight: 800;
  color: var(--frost);
}

.page-contact .ask-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ask-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line-steel);
  display: grid;
  gap: 8px;
}

.page-contact .ask-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--frost);
}

.page-contact .ask-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

@media (min-width: 760px) {
  .page-contact .ask-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-contact .ask-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 04 场馆与数据同步 ---------- */
.page-contact .field-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-steel);
}

.page-contact .field-list__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-bottom: 1px solid var(--line-steel);
}

.page-contact .field-list__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
}

.page-contact .field-list__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--frost);
}

.page-contact .field-list__item p {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

@media (max-width: 560px) {
  .page-contact .field-list__item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 8px;
  }
}

/* ---------- 05 商务与内容合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .partner-card {
  padding: clamp(20px, 2.6vw, 30px);
  min-width: 0;
}

.page-contact .partner-card h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  line-height: 1.42;
  color: var(--frost);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .partner-card ul {
  list-style: none;
  margin: 18px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line-steel);
  display: grid;
  gap: 10px;
}

.page-contact .partner-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--frost);
}

.page-contact .partner-card ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.page-contact .partner-foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.84;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 06 联系方式 ---------- */
.page-contact .visit-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .visit-facts {
  margin: 0;
  border-top: 1px solid var(--line-steel);
}

.page-contact .visit-facts__item {
  padding: clamp(14px, 2vw, 18px) 0;
  border-bottom: 1px solid var(--line-steel);
}

.page-contact .visit-facts dt {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .visit-facts dd {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.6;
  color: var(--frost);
  word-break: break-word;
}

.page-contact .visit-facts dd.num {
  font-family: var(--font-mono);
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}

.page-contact .visit-figure {
  aspect-ratio: 14 / 9;
  overflow: hidden;
}

.page-contact .visit-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .visit-paper {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(20px, 3vw, 32px);
  background: var(--cream);
  color: var(--cream-ink);
}

.page-contact .visit-paper p {
  margin: 0;
  max-width: 74ch;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.86;
  color: rgba(16, 19, 31, .86);
}

.page-contact .visit-paper a {
  color: var(--cream-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

@media (min-width: 900px) {
  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .ask-card,
  .page-contact .partner-card {
    transition: none;
  }
}