.page-contact {
  --pc-gap: clamp(18px, 2.8vw, 32px);
  --pc-pad: clamp(22px, 3.4vw, 44px);
  background: var(--ink-900);
  color: var(--lime-100);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-block: clamp(20px, 3vw, 32px) 4px;
  font-size: 14px;
  color: var(--muted-400);
  white-space: nowrap;
  overflow-x: auto;
}

.page-contact .breadcrumb a {
  color: var(--cyan-400);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  text-decoration: underline;
}

.page-contact .breadcrumb__sep {
  margin-inline: 8px;
  color: var(--muted-500);
}

/* ---------- 首屏 ---------- */
.contact-hero {
  position: relative;
  padding-block: clamp(20px, 3.4vw, 42px) clamp(46px, 6.5vw, 92px);
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 106, 31, 0.22), transparent 46%),
    radial-gradient(circle at 4% 82%, rgba(22, 227, 214, 0.14), transparent 44%);
}

.contact-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

.contact-hero__title {
  margin: 10px 0 18px;
  font-size: clamp(38px, 7.4vw, 84px);
  line-height: 1.03;
  letter-spacing: -0.024em;
  font-weight: 900;
  color: var(--cream-100);
}

.contact-hero__hl {
  display: inline-block;
  padding-inline: 0.1em;
  background: var(--orange-500);
  color: var(--ink-950);
  box-shadow: var(--hard-sm);
  transform: skewX(-3deg);
}

.contact-hero__lede {
  max-width: 38ch;
  color: var(--lime-100);
  opacity: 0.92;
}

.contact-quick {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.contact-quick__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: var(--bw) solid var(--ink-950);
  box-shadow: var(--hard);
  color: var(--ink-950);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.contact-quick__item--mail {
  background: var(--cyan-400);
}

.contact-quick__item--tel {
  background: var(--orange-500);
}

.contact-quick__item:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink-950);
}

.contact-quick__label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.72;
}

.contact-quick__value {
  font-family: var(--font-num);
  font-size: clamp(17px, 2.6vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.contact-quick__note {
  font-size: 13.5px;
  line-height: 1.62;
  opacity: 0.82;
}

.contact-hero__media {
  margin: 0;
  border: var(--bw) solid var(--ink-950);
  box-shadow: var(--hard);
  background: var(--ink-700);
  overflow: hidden;
}

.contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 主分栏 ---------- */
.contact-main {
  padding-block: clamp(44px, 6.5vw, 88px);
  background: linear-gradient(180deg, transparent 0%, rgba(22, 227, 214, 0.05) 100%);
}

.contact-main__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.contact-panel {
  padding: var(--pc-pad);
  border: var(--bw) solid var(--ink-950);
  box-shadow: var(--hard);
}

.contact-panel--orange {
  background: var(--orange-500);
  color: var(--ink-950);
}

.contact-panel--ink {
  background: var(--ink-700);
  color: var(--lime-100);
}

.page-contact .contact-panel .h-section {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
}

.contact-panel--orange .h-section {
  color: var(--ink-950);
}

.contact-panel__sub {
  margin-top: clamp(34px, 5vw, 54px) !important;
  padding-top: clamp(24px, 3.4vw, 36px);
  border-top: 3px dashed rgba(8, 10, 22, 0.35);
}

.contact-panel__lead {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 40ch;
}

.contact-panel--orange .contact-panel__lead {
  color: rgba(8, 10, 22, 0.86);
}

.contact-panel--ink .contact-panel__lead {
  color: var(--lime-100);
  opacity: 0.86;
}

/* 渠道折叠 */
.contact-channels {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.contact-channel {
  background: var(--cream-100);
  border: 2px solid var(--ink-950);
  box-shadow: var(--hard-sm);
}

.contact-channel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.contact-channel__head::-webkit-details-marker {
  display: none;
}

.contact-channel__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 22px;
  line-height: 1;
  color: var(--ink-950);
  transition: transform 0.24s var(--ease);
}

.contact-channel[open] .contact-channel__head::after {
  transform: rotate(45deg);
}

.contact-channel__no {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  padding: 3px 7px;
  background: var(--ink-950);
  color: var(--amber-400);
}

.contact-channel__name {
  flex: 0 1 auto;
}

.contact-channel__tag {
  margin-left: 8px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border: 2px solid var(--ink-950);
  background: var(--cyan-200);
  color: var(--ink-950);
}

.contact-channel__body {
  padding: 0 16px 16px;
  font-size: 14.6px;
  line-height: 1.75;
  color: rgba(8, 10, 22, 0.9);
}

.contact-channel__body p {
  margin: 0 0 8px;
}

.contact-channel__body p:last-child {
  margin-bottom: 0;
}

/* 四件事清单 */
.contact-checklist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.contact-checklist__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  padding: 15px 16px;
  border: 2px solid var(--ink-950);
}

.contact-checklist__no {
  grid-row: 1 / span 2;
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: rgba(8, 10, 22, 0.5);
}

.contact-checklist__item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
}

.contact-checklist__item p {
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 14.4px;
  line-height: 1.72;
  color: rgba(8, 10, 22, 0.86);
}

.contact-shot {
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  border: 3px solid var(--ink-950);
  overflow: hidden;
  background: var(--ink-950);
}

.contact-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 右栏区块 ---------- */
.contact-block + .contact-block {
  margin-top: clamp(26px, 3.6vw, 38px);
  padding-top: clamp(26px, 3.6vw, 38px);
  border-top: 1px dashed rgba(157, 245, 238, 0.24);
}

.page-contact .contact-panel--ink .h-section {
  color: var(--cream-100);
}

.contact-tel__num {
  margin: 18px 0 16px;
  font-family: var(--font-num);
  font-size: clamp(26px, 5.2vw, 40px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--amber-400);
  overflow-wrap: anywhere;
}

.contact-hours {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.contact-hours__bar {
  display: block;
  height: 14px;
  border: 2px solid var(--cyan-400);
  background-image: repeating-linear-gradient(
    135deg,
    var(--cyan-400) 0 8px,
    rgba(22, 227, 214, 0.28) 8px 16px
  );
}

.contact-hours__axis {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--cyan-200);
}

.contact-panel__note {
  margin: 0;
  font-size: 14.6px;
  line-height: 1.78;
  color: var(--lime-100);
  opacity: 0.86;
}

/* 回复预期 */
.contact-sla {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.contact-sla__item {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan-400);
}

.contact-sla__k {
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--amber-400);
}

.contact-sla__v {
  font-size: 14.8px;
  line-height: 1.76;
  color: var(--lime-100);
  opacity: 0.9;
}

/* 地址 */
.contact-address {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 16px 0 20px;
  padding: 16px 18px;
  border: 2px solid var(--cyan-400);
  background: rgba(22, 227, 214, 0.08);
  font-style: normal;
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 700;
  line-height: 1.62;
  color: var(--cream-100);
}

.contact-address__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.contact-address__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  font-size: 14.4px;
  line-height: 1.72;
  color: var(--lime-100);
  opacity: 0.88;
}

.contact-address__no {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-300);
}

/* ---------- 合作区 ---------- */
.page-contact .contact-coop {
  background: var(--cream-100);
  color: var(--ink-950);
  border-top: var(--bw) solid var(--ink-950);
  padding-block: clamp(48px, 7vw, 96px);
}

.page-contact .contact-coop .eyebrow {
  color: var(--ink-950);
}

.contact-coop__lede {
  max-width: 56ch;
  margin-bottom: clamp(26px, 3.6vw, 40px);
  color: rgba(8, 10, 22, 0.86);
}

.contact-coop__grid {
  align-items: stretch;
}

.page-contact .contact-coop__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(22px, 2.8vw, 30px);
  background: var(--ink-900);
  color: var(--lime-100);
  border: var(--bw) solid var(--ink-950);
  box-shadow: var(--hard);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .contact-coop__card:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink-950);
}

.page-contact .contact-coop__card .card__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 900;
  line-height: 1.32;
  color: var(--cream-100);
}

.page-contact .contact-coop__card p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--lime-100);
  opacity: 0.86;
}

.contact-coop__link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14.5px;
  font-weight: 800;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-400);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.contact-coop__link:hover {
  color: var(--cyan-200);
  border-bottom-color: var(--cyan-200);
}

/* ---------- 收尾出口 ---------- */
.contact-next {
  padding-block: clamp(44px, 6.5vw, 84px);
  background: var(--ink-900);
}

.contact-next__box {
  padding: clamp(26px, 3.6vw, 44px);
  border: var(--bw) solid var(--ink-950);
  box-shadow: var(--hard);
  background:
    linear-gradient(120deg, var(--ink-700) 0%, var(--ink-700) 58%, rgba(255, 106, 31, 0.22) 58%, rgba(255, 106, 31, 0.22) 100%);
}

.page-contact .contact-next__box .h-sub {
  margin: 0;
  color: var(--cream-100);
  font-size: clamp(21px, 2.8vw, 27px);
}

.contact-next__text {
  margin: 12px 0 24px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--lime-100);
  opacity: 0.88;
}

.contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .contact-quick {
    grid-template-columns: 1fr 1fr;
  }

  .contact-checklist {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .contact-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

@media (min-width: 1020px) {
  .contact-main__grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  }
}

@media (max-width: 619px) {
  .contact-hero__title {
    font-size: clamp(34px, 9.6vw, 46px);
  }

  .contact-channel__head {
    flex-wrap: wrap;
    row-gap: 6px;
  }

  .contact-channel__tag {
    margin-left: 0;
  }

  .contact-next__links .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-quick__item,
  .contact-channel__head::after,
  .page-contact .contact-coop__card {
    transition: none;
  }

  .contact-quick__item:hover,
  .page-contact .contact-coop__card:hover {
    transform: none;
  }
}