/* ===== 联系我们 / page-contact ===== */

.page-contact {
  --contact-hard: 3px 3px 0 var(--ink);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(22px, 3vw, 34px) 0 clamp(56px, 9vw, 104px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  right: -12%;
  top: -22%;
  width: min(620px, 82vw);
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--violet) 0%, rgba(122,59,255,0) 68%);
  opacity: .45;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-contact .contact-hero__art {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-contact .contact-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 17, 28, .28) 0%, rgba(20, 17, 28, .74) 56%, var(--ink) 100%),
    repeating-linear-gradient(180deg, rgba(23, 216, 206, .08) 0 1px, rgba(23, 216, 206, 0) 1px 5px);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-content: start;
}

.page-contact .contact-hero__copy .eyebrow {
  color: var(--cyan);
}

.page-contact .contact-hero__copy h1 {
  margin: 10px 0 0;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 34em;
  color: rgba(245, 239, 226, .84);
}

.page-contact .contact-hero__chips {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 玻璃联系卡 */

.page-contact .contact-glass {
  position: relative;
  padding: 24px 24px 26px;
  background: rgba(245, 239, 226, .12);
  border: 2px solid var(--cyan);
  box-shadow: 8px 8px 0 rgba(23, 216, 206, .2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-contact .contact-glass__label {
  margin: 0 0 14px;
  color: var(--cyan);
}

.page-contact .contact-glass__value {
  margin: 0;
  font-size: clamp(.95rem, 2.6vw, 1.12rem);
  color: var(--paper);
  word-break: break-all;
  line-height: 1.6;
}

.page-contact .contact-glass__value--phone {
  margin-top: 8px;
  color: var(--gold);
}

.page-contact .contact-glass__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(245, 239, 226, .3);
  font-size: .86rem;
  line-height: 1.75;
  color: rgba(245, 239, 226, .7);
}

/* ---------- 四类问题 ---------- */

.page-contact .contact-paths__head {
  max-width: 46em;
  margin-bottom: clamp(30px, 4.4vw, 52px);
}

.page-contact .contact-paths__head h2 {
  margin: 10px 0 16px;
}

.page-contact .contact-paths__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--line-strong);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-contact .path-card {
  background: var(--paper);
}

.page-contact .path-card__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.page-contact .path-card__sum::-webkit-details-marker {
  display: none;
}

.page-contact .path-card__sum:hover {
  background: var(--paper-2);
}

.page-contact .path-card__sum:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-contact .path-card__sum::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--violet);
}

.page-contact .path-card[open] .path-card__sum::after {
  content: "−";
  color: var(--orange);
}

.page-contact .path-card__no {
  flex: none;
  padding: 3px 8px;
  background: var(--orange);
  color: var(--ink);
  font-size: .72rem;
}

.page-contact .path-card__title {
  font-weight: 600;
  font-size: clamp(1rem, 2.6vw, 1.1rem);
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .path-card__body {
  padding: 4px 20px 24px;
  border-top: 1px dashed var(--line-strong);
  margin-top: 2px;
}

.page-contact .path-card__body p {
  margin: 14px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 40em;
}

.page-contact .path-card__to {
  margin-top: 16px;
}

.page-contact .path-card__to a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .path-card__to a:hover {
  border-bottom-color: var(--orange);
  color: var(--violet);
}

/* ---------- 客服渠道 ---------- */

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-channels__head h2 {
  margin: 10px 0 18px;
}

.page-contact .contact-channels__head .prose + .prose {
  margin-top: 14px;
}

.page-contact .contact-channels__list {
  display: grid;
  gap: 18px;
}

.page-contact .channel {
  padding: 22px 22px 24px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-left-width: 8px;
  border-left-color: var(--cyan);
}

.page-contact .channel--alt {
  border-left-color: var(--violet);
  transform: translateX(0);
}

.page-contact .channel__kind {
  margin: 0;
  color: var(--mist);
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-size: clamp(1rem, 3vw, 1.28rem);
  line-height: 1.5;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .channel__desc {
  margin: 12px 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34em;
}

.page-contact .contact-channels__media {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(122, 59, 255, .22);
}

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

/* ---------- 地址 ---------- */

.page-contact .contact-address {
  background: var(--paper);
}

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

.page-contact .contact-address__main h2 {
  margin: 10px 0 18px;
  word-break: break-word;
}

.page-contact .contact-address__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 0;
  background: var(--line-strong);
  border: 2px solid var(--ink);
}

.page-contact .fact {
  background: var(--paper-2);
  padding: 18px 16px 20px;
}

.page-contact .fact dt {
  margin: 0;
  color: var(--mist);
}

.page-contact .fact dd {
  margin: 10px 0 0;
  font-size: .96rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 共建与合作（深色分区） ---------- */

.page-contact .contact-collab__head {
  max-width: 48em;
  margin-bottom: clamp(30px, 4.4vw, 52px);
}

.page-contact .contact-collab__head .eyebrow {
  color: var(--cyan);
}

.page-contact .contact-collab__head h2 {
  margin: 10px 0 16px;
  color: var(--paper);
}

.page-contact .contact-collab__head .prose {
  color: rgba(245, 239, 226, .74);
}

.page-contact .contact-collab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .collab {
  padding: clamp(24px, 3vw, 34px);
  background: rgba(245, 239, 226, .07);
  border: 2px solid rgba(245, 239, 226, .22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-contact .collab--cyan {
  border-color: var(--cyan);
  box-shadow: 8px 8px 0 rgba(23, 216, 206, .16);
}

.page-contact .collab--orange {
  border-color: var(--orange);
  box-shadow: 8px 8px 0 rgba(255, 122, 47, .16);
}

.page-contact .collab__tag {
  margin: 0;
  color: var(--cyan);
}

.page-contact .collab--orange .collab__tag {
  color: var(--orange);
}

.page-contact .collab__title {
  margin: 14px 0 20px;
  font-size: clamp(1.16rem, 3.4vw, 1.5rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

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

.page-contact .collab__steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  font-size: .94rem;
  line-height: 1.8;
  color: rgba(245, 239, 226, .8);
}

.page-contact .collab__step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--cyan);
  color: var(--ink);
  font-size: .74rem;
}

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

.page-contact .collab__list li {
  padding-left: 16px;
  border-left: 2px solid rgba(255, 122, 47, .6);
  font-size: .94rem;
  line-height: 1.8;
  color: rgba(245, 239, 226, .8);
}

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

.page-contact .collab__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(245, 239, 226, .24);
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(245, 239, 226, .62);
}

/* ---------- 备案行 ---------- */

.page-contact .contact-reg {
  margin: 0;
  padding: 16px var(--wrap-pad) 22px;
  text-align: right;
  font-size: .74rem;
  color: var(--mist);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-address__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.28fr) minmax(300px, .72fr);
    column-gap: clamp(32px, 5vw, 76px);
  }

  .page-contact .contact-hero__inner > .breadcrumb {
    grid-column: 1 / -1;
  }

  .page-contact .contact-glass {
    align-self: end;
    margin-bottom: 6px;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-contact .contact-channels__head {
    grid-column: 1 / -1;
  }

  .page-contact .contact-channels__media {
    grid-column: 1 / -1;
    max-width: 620px;
  }

  .page-contact .contact-address__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-contact .contact-address__facts {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (min-width: 1180px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }

  .page-contact .contact-channels__head {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
  }

  .page-contact .contact-channels__list {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
  }

  .page-contact .contact-channels__media {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    max-width: none;
    margin-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-card__sum,
  .page-contact .path-card__to a {
    transition: none;
  }
}
</main>