.page-contact {
  --contact-card-gap: clamp(16px, 3vw, 26px);
  --contact-offset: clamp(18px, 3vw, 30px);
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(26px, 5vw, 52px) clamp(34px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(118deg, rgba(61, 245, 192, 0.1) 0%, rgba(61, 245, 192, 0) 48%),
    radial-gradient(120% 90% at 88% 0%, rgba(142, 124, 255, 0.18), transparent 62%);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.6vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  max-width: 36em;
  margin-top: 18px;
  font-size: clamp(15px, 2.3vw, 18px);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 9% 100%);
  background: linear-gradient(160deg, rgba(61, 245, 192, 0.14), rgba(5, 11, 22, 0.9));
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06) brightness(0.92);
}

/* ---------- 三张联系卡 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(34px, 6vw, 74px);
}

.page-contact .channel-cards {
  display: grid;
  gap: var(--contact-card-gap);
  margin-top: clamp(22px, 4vw, 38px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  background:
    linear-gradient(158deg, rgba(61, 245, 192, 0.13), rgba(16, 33, 58, 0.96) 46%),
    var(--night-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .channel-card--orange {
  background:
    linear-gradient(158deg, rgba(255, 138, 61, 0.14), rgba(16, 33, 58, 0.96) 46%),
    var(--night-800);
}

.page-contact .channel-card--violet {
  background:
    linear-gradient(158deg, rgba(142, 124, 255, 0.15), rgba(16, 33, 58, 0.96) 46%),
    var(--night-800);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 3px;
  background: var(--cyan);
}

.page-contact .channel-card--orange::before {
  background: var(--orange);
}

.page-contact .channel-card--violet::before {
  background: var(--violet);
}

.page-contact .channel-card__idx {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 28px);
  line-height: 1.15;
  color: var(--ice);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel-card__value {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.5;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px dashed rgba(61, 245, 192, 0.45);
  align-self: flex-start;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .channel-card--orange .channel-card__value {
  color: var(--orange);
  border-bottom-color: rgba(255, 138, 61, 0.45);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-contact .channel-card__value--static {
  color: var(--ice);
  border-bottom-color: transparent;
  font-family: var(--font-label);
  font-size: 16px;
  font-weight: 500;
}

.page-contact .channel-card__meta {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .contact-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .contact-meta a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-meta__sep {
  color: var(--line);
}

/* ---------- 咨询准备 ---------- */
.page-contact .contact-steps {
  padding-block: clamp(34px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(16, 33, 58, 0.6), rgba(10, 21, 38, 0.9)),
    var(--night-800);
  border-block: 1px solid var(--line);
}

.page-contact .steps__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1.06;
  color: var(--ice);
}

.page-contact .steps__note {
  margin: 12px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .steps__list {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .step {
  position: relative;
  padding: 4px 0 8px 22px;
  border-left: 1px solid var(--line);
}

.page-contact .step::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -4px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .step__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .step__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 24px);
  color: var(--ice);
}

.page-contact .step__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(34px, 6vw, 80px);
}

.page-contact .contact-coop__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-coop__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.06;
  color: var(--ice);
}

.page-contact .contact-coop__desc {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-coop__cta {
  margin-top: 24px;
}

.page-contact .contact-coop__media {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

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

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

.page-contact .coop-list__item {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-contact .coop-list__item:hover {
  border-top-color: var(--cyan);
}

.page-contact .coop-list__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .coop-list__item .tag {
  justify-self: start;
}

/* ---------- 渠道问答 ---------- */
.page-contact .contact-routing {
  padding-block: clamp(34px, 6vw, 76px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-routing .accordion {
  margin-top: clamp(22px, 4vw, 34px);
}

.page-contact .accordion__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

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

.page-contact .accordion__panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 192, 0.45);
}

.page-contact .accordion__panel a:hover,
.page-contact .accordion__panel a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-contact .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 地址与资料往来 ---------- */
.page-contact .contact-dispatch {
  padding-block: clamp(34px, 6vw, 80px);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(122deg, rgba(142, 124, 255, 0.1), transparent 54%),
    var(--night-900);
}

.page-contact .dispatch {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .dispatch__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.1;
  color: var(--ice);
}

.page-contact .dispatch__desc {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .dispatch__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .dispatch__card {
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .dispatch__card-idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .dispatch__addr {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.35;
  color: var(--ice);
}

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

.page-contact .dispatch__row {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.page-contact .dispatch__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .dispatch__value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ice);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-contact .contact-hero__media {
    aspect-ratio: 3 / 4;
    min-height: 320px;
  }

  .page-contact .steps__list {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 34px);
  }

  .page-contact .contact-meta {
    justify-content: flex-start;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(3, 1fr);
    padding-bottom: 56px;
  }

  .page-contact .channel-card:nth-child(2) {
    transform: translateY(28px);
  }

  .page-contact .channel-card:nth-child(3) {
    transform: translateY(56px);
  }

  .page-contact .channel-card:nth-child(2):hover {
    transform: translateY(22px);
  }

  .page-contact .channel-card:nth-child(3):hover {
    transform: translateY(50px);
  }

  .page-contact .channel-card:hover {
    background:
      linear-gradient(158deg, rgba(61, 245, 192, 0.2), rgba(16, 33, 58, 0.98) 52%),
      var(--night-800);
  }

  .page-contact .contact-coop__inner {
    grid-template-columns: 1fr 0.92fr;
  }

  .page-contact .dispatch {
    grid-template-columns: 1fr 0.86fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .coop-list__item,
  .page-contact .channel-card__value {
    transition: none;
  }

  .page-contact .channel-card:nth-child(2),
  .page-contact .channel-card:nth-child(3) {
    transform: none;
  }

  .page-contact .channel-card:nth-child(2):hover,
  .page-contact .channel-card:nth-child(3):hover {
    transform: none;
  }
}