.page-contact {
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(920px 520px at 86% -10%, rgba(107, 75, 214, .26), transparent 68%),
    radial-gradient(700px 460px at 0% 20%, rgba(63, 201, 232, .12), transparent 72%),
    var(--ink);
  color: var(--cream);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact > .section {
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
}

.page-contact .breadcrumbs {
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(1.25rem, 3.5vw, 2.25rem);
}

.page-contact .contact-hero__shell {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-contact .contact-hero__copy .display-title {
  margin: 0 0 1rem;
}

.page-contact .contact-hero__copy .lede {
  margin: 0 0 1.75rem;
  max-width: 36em;
}

.page-contact .contact-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-facts__item {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  padding: .7rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-facts__key {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .contact-facts__val {
  font-size: .95rem;
  line-height: 1.7;
  color: rgba(243, 238, 228, .86);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__media {
  margin: 0;
  padding: 1px;
  background: linear-gradient(140deg, rgba(107, 75, 214, .7), rgba(63, 201, 232, .32) 48%, rgba(233, 183, 93, .38));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 通道 ---------- */
.page-contact .channel__lead {
  margin: .75rem 0 0;
  max-width: 40em;
  line-height: 1.85;
  color: rgba(243, 238, 228, .72);
}

.page-contact .channel__map {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
}

.page-contact .channel__map img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .94;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-contact .channel__map-caption {
  margin-top: .8rem;
  font-size: .78rem;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .console {
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  display: grid;
  gap: 1rem;
}

.page-contact .console__rail {
  display: grid;
  gap: .6rem;
  align-content: start;
}

.page-contact .console__tab {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "idx note";
  gap: .15rem .8rem;
  width: 100%;
  padding: .95rem 1.1rem;
  text-align: left;
  font: inherit;
  color: var(--cream);
  background: rgba(35, 38, 47, .55);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}

.page-contact .console__tab:nth-child(1) { --accent: var(--cyan); }
.page-contact .console__tab:nth-child(2) { --accent: var(--moss); }
.page-contact .console__tab:nth-child(3) { --accent: var(--gold); }

.page-contact .console__tab::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: .3;
  transition: opacity .25s var(--ease);
}

.page-contact .console__index {
  grid-area: idx;
  align-self: start;
  padding-top: .15rem;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--accent);
  opacity: .8;
}

.page-contact .console__name {
  grid-area: name;
  font-size: 1.02rem;
  letter-spacing: .04em;
}

.page-contact .console__note {
  grid-area: note;
  font-size: .78rem;
  letter-spacing: .05em;
  color: rgba(243, 238, 228, .55);
  transition: color .25s var(--ease);
}

.page-contact .console__tab:hover {
  background: rgba(60, 65, 77, .62);
  transform: translateX(3px);
}

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

.page-contact .console__tab[aria-selected="true"] {
  background: rgba(35, 38, 47, .95);
  border-color: var(--line-strong);
  transform: translateX(6px);
}

.page-contact .console__tab[aria-selected="true"]::before { opacity: 1; }
.page-contact .console__tab[aria-selected="true"] .console__note { color: rgba(243, 238, 228, .8); }

.page-contact .console__panels { min-width: 0; }

.page-contact .console__panel {
  display: block;
  padding: clamp(1.25rem, 3vw, 2.1rem);
  background: linear-gradient(150deg, rgba(35, 38, 47, .92), rgba(35, 38, 47, .55));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .console__panel[hidden] { display: none; }

.page-contact .console__panel-title {
  margin: .9rem 0 .75rem;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 400;
  letter-spacing: .05em;
  line-height: 1.5;
  color: var(--cream);
}

.page-contact .console__text {
  margin: 0 0 1.35rem;
  max-width: 38em;
  line-height: 1.85;
  color: rgba(243, 238, 228, .76);
}

.page-contact .console__list {
  margin: 0;
  border-top: 1px dashed var(--line);
}

.page-contact .console__row {
  display: grid;
  gap: .25rem;
  padding: .8rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .console__row dt {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .console__row dd {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: rgba(243, 238, 228, .82);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm {
  border-top: 1px solid var(--line);
}

.page-contact .rhythm__head .section__title {
  margin-top: .5rem;
}

.page-contact .rhythm__stats {
  display: grid;
  gap: 1rem;
  margin: clamp(1.5rem, 3vw, 2rem) 0;
}

.page-contact .rhythm__stats .stat {
  padding: 1.15rem 1.25rem;
  background: rgba(35, 38, 47, .5);
  border-left: 2px solid var(--nebula);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .rhythm__stats .stat:nth-child(2) { border-left-color: var(--cyan); }
.page-contact .rhythm__stats .stat:nth-child(3) { border-left-color: var(--gold); }

.page-contact .rhythm__stats .stat__value {
  display: block;
  margin-bottom: .45rem;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  font-weight: 300;
  letter-spacing: .05em;
  color: var(--cream);
}

.page-contact .rhythm__stats .stat__label {
  display: block;
  font-size: .8rem;
  line-height: 1.7;
  color: rgba(243, 238, 228, .6);
}

.page-contact .rhythm__text {
  margin: 0;
  max-width: 40em;
  line-height: 1.9;
  color: rgba(243, 238, 228, .74);
}

/* ---------- 提交前准备 ---------- */
.page-contact .prep__shell {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .prep__text {
  margin: 1rem 0 0;
  max-width: 30em;
  line-height: 1.9;
  color: rgba(243, 238, 228, .72);
}

.page-contact .prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-contact .prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  padding: .95rem 1.1rem;
  background: rgba(35, 38, 47, .5);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .prep__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--moss);
  border: 1px solid rgba(126, 156, 108, .55);
}

.page-contact .prep__body {
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(243, 238, 228, .84);
}

/* ---------- 合作与商务 ---------- */
.page-contact .coop__lead {
  margin: .75rem 0 0;
  max-width: 42em;
  line-height: 1.85;
  color: rgba(243, 238, 228, .72);
}

.page-contact .coop__grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-contact .coop__card {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: 1.4rem 1.3rem;
  background: rgba(35, 38, 47, .52);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .coop__card-title {
  margin: .2rem 0 0;
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--cream);
}

.page-contact .coop__card-text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(243, 238, 228, .72);
}

.page-contact .coop__card-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .4rem;
  border-top: 1px dashed var(--line);
  padding-top: .8rem;
}

.page-contact .coop__card-list li {
  position: relative;
  padding-left: 1rem;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(243, 238, 228, .6);
}

.page-contact .coop__card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .38rem;
  height: .38rem;
  background: var(--mist);
  transform: rotate(45deg);
  opacity: .7;
}

.page-contact .coop__steps {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px dashed var(--line);
}

.page-contact .coop__step {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .9rem;
  align-items: baseline;
  padding: .85rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .coop__step-num {
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--nebula);
}

.page-contact .coop__step-text {
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(243, 238, 228, .78);
}

/* ---------- 后续入口 ---------- */
.page-contact .next-links__shell {
  display: grid;
  gap: 1.25rem;
  justify-items: start;
}

.page-contact .next-links__text {
  margin: 0;
  max-width: 36em;
  line-height: 1.9;
  color: rgba(243, 238, 228, .74);
}

.page-contact .next-links__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-contact .next-links__fine {
  margin: 1.4rem 0 0;
  font-size: .82rem;
  line-height: 1.9;
  color: rgba(243, 238, 228, .52);
}

.page-contact .next-links__fine a {
  color: var(--mist);
  border-bottom: 1px solid rgba(167, 155, 216, .45);
  text-decoration: none;
}

.page-contact .next-links__fine a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 地址长条 ---------- */
.page-contact .address-band {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-block: clamp(2rem, 5vw, 3.25rem);
  background:
    linear-gradient(102deg, rgba(107, 75, 214, .3), rgba(35, 38, 47, .88) 44%, rgba(63, 201, 232, .16) 76%, rgba(233, 183, 93, .2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .address-band__shell {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-contact .address-band__title {
  margin: .6rem 0 1rem;
  font-size: clamp(1.35rem, 3.6vw, 2.1rem);
  font-weight: 300;
  letter-spacing: .05em;
  line-height: 1.45;
  color: var(--cream);
}

.page-contact .address-band__text {
  margin: 0;
  max-width: 34em;
  line-height: 1.9;
  color: rgba(243, 238, 228, .74);
}

.page-contact .address-band__meta {
  margin: 0;
  border-top: 1px dashed var(--line-strong);
}

.page-contact .address-band__cell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 5.5rem) minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  padding: .78rem 0;
  border-bottom: 1px dashed var(--line-strong);
}

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

.page-contact .address-band__cell dt {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .address-band__cell dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(243, 238, 228, .88);
  overflow-wrap: anywhere;
}

.page-contact .address-band__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + .45rem);
  z-index: 2;
  width: min(20rem, 88vw);
  padding: .6rem .85rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--cream);
  background: rgba(6, 7, 13, .96);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s var(--ease), visibility .22s var(--ease);
}

.page-contact .address-band__cell--tip:hover .address-band__tip,
.page-contact .address-band__cell--tip:focus-within .address-band__tip {
  opacity: 1;
  visibility: visible;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .console__row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-contact .coop__step {
    grid-template-columns: 3.4rem minmax(0, 1fr);
  }
}

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

  .page-contact .coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .next-links__shell {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    justify-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__shell {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .console {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: clamp(1.25rem, 3vw, 2.25rem);
    align-items: start;
  }

  .page-contact .prep__shell {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .address-band__shell {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-facts__item {
    grid-template-columns: 4.4rem minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .console__tab,
  .page-contact .console__tab::before,
  .page-contact .console__note,
  .page-contact .address-band__tip {
    transition: opacity .01ms linear;
  }

  .page-contact .console__tab:hover,
  .page-contact .console__tab[aria-selected="true"] {
    transform: none;
  }
}
</style>