.page-contact {
  --pc-pad: clamp(3rem, 8vw, 6.5rem);
  --pc-gap: clamp(1.25rem, 3.4vw, 2.6rem);
  --pc-hairline: rgba(201, 185, 138, .22);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

.page-contact .frame {
  width: 100%;
  max-width: var(--frame);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-block: 1.05rem .35rem;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .breadcrumb li + li::before {
  content: "／";
  margin-right: .6rem;
  color: rgba(201, 185, 138, .45);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(1.6rem, 4vw, 3rem) var(--pc-pad);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: center;
}

.page-contact .contact-hero__title {
  margin: .55rem 0 1rem;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: .015em;
  color: var(--ivory);
}

.page-contact .contact-hero__title::after {
  content: "";
  display: block;
  width: clamp(72px, 18vw, 148px);
  height: 3px;
  margin-top: 1.1rem;
  background: linear-gradient(90deg, var(--gold), var(--orange) 62%, rgba(232, 121, 43, 0));
  border-radius: 3px;
}

.page-contact .contact-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__facts {
  display: grid;
  gap: 1px;
  margin: 2.1rem 0 0;
  padding: 0;
  background: var(--pc-hairline);
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-hero__fact {
  padding: .95rem 1.1rem;
  background: var(--ink-800);
}

.page-contact .contact-hero__fact dt {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-hero__fact dd {
  margin: .4rem 0 0;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-contact .contact-hero__figure .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 56% 12px 12px 12px / 22% 12px 12px 12px;
  border: 1px solid rgba(217, 169, 76, .3);
  box-shadow: var(--shadow);
}

.page-contact .contact-hero__figure .figure__caption {
  margin-top: .85rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--mist);
}

/* ---------- 三条通路 ---------- */
.page-contact .contact-tracks {
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .contact-tracks__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: 2.4rem;
}

.page-contact .contact-track {
  position: relative;
  padding: clamp(1.4rem, 4vw, 2.1rem);
  background: var(--ink-800);
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .contact-track::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), var(--orange), rgba(232, 121, 43, 0));
  opacity: .85;
}

.page-contact .contact-track__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
  color: rgba(217, 169, 76, .42);
}

.page-contact .contact-track__title {
  margin: .55rem 0 .7rem;
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ivory);
}

.page-contact .contact-track__body {
  margin: 0 0 1.05rem;
  font-size: .97rem;
  line-height: 1.8;
  color: rgba(237, 231, 217, .82);
}

.page-contact .contact-track__list {
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-contact .contact-track__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(237, 231, 217, .78);
}

.page-contact .contact-track__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 3px rgba(63, 167, 150, .16);
}

.page-contact .contact-track__fit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--pc-hairline);
  font-size: .84rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 洽谈四步 ---------- */
.page-contact .contact-process {
  background:
    radial-gradient(circle at 12% 8%, rgba(23, 57, 90, .55), transparent 58%),
    var(--ink-900);
}

.page-contact .contact-process__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.4rem);
}

.page-contact .contact-process__rail {
  position: relative;
}

.page-contact .contact-process__hint {
  margin: 1.15rem 0 0;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .contact-process__orbit {
  display: none;
  position: absolute;
  right: -4rem;
  bottom: -4rem;
  width: 210px;
  height: 210px;
  border: 1px dashed rgba(217, 169, 76, .28);
  border-radius: 50%;
  pointer-events: none;
  animation: pc-rotate 60s linear infinite;
}

@keyframes pc-rotate {
  to { transform: rotate(360deg); }
}

.page-contact .contact-process__steps .steps {
  display: grid;
  gap: 0;
  position: relative;
}

.page-contact .contact-step {
  position: relative;
  padding-left: 1.9rem;
}

.page-contact .contact-step::before {
  content: "";
  position: absolute;
  left: .42rem;
  top: 1.5rem;
  bottom: -1px;
  width: 1px;
  background: linear-gradient(180deg, rgba(217, 169, 76, .55), rgba(217, 169, 76, .08));
}

.page-contact .contact-step:last-child::before {
  display: none;
}

.page-contact .contact-step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 1.72rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1.5px solid var(--gold);
}

.page-contact .contact-step__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "index text chev"
    "index meta chev";
  align-items: start;
  gap: .35rem .85rem;
  width: 100%;
  padding: 1.1rem .9rem 1.15rem 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--pc-hairline);
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: background .28s ease;
}

.page-contact .contact-step__head:hover,
.page-contact .contact-step__head:focus-visible {
  background: rgba(23, 57, 90, .34);
}

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

.page-contact .contact-step__head .step__index {
  grid-area: index;
  align-self: start;
  font-family: var(--mono);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .03em;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.page-contact .contact-step__text {
  grid-area: text;
  display: grid;
  gap: .32rem;
}

.page-contact .contact-step__title {
  font-family: var(--serif);
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ivory);
}

.page-contact .contact-step__desc {
  font-size: .92rem;
  line-height: 1.75;
  color: rgba(237, 231, 217, .76);
}

.page-contact .contact-step__meta {
  grid-area: meta;
  justify-self: start;
  align-self: center;
}

.page-contact .contact-step__chev {
  grid-area: chev;
  align-self: center;
  width: 11px;
  height: 11px;
  border-right: 1.5px solid var(--mist);
  border-bottom: 1.5px solid var(--mist);
  transform: rotate(45deg);
  transition: transform .3s ease, border-color .3s ease;
}

.page-contact .contact-step__head[aria-expanded="true"] .contact-step__chev {
  transform: rotate(-135deg);
  border-color: var(--gold);
}

.page-contact .contact-step__panel {
  margin: .2rem 0 0;
  padding: .95rem 1.05rem 1.05rem;
  background: var(--ink-800);
  border-left: 2px solid rgba(217, 169, 76, .55);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-contact .contact-step__panel-title {
  margin: 0 0 .55rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .contact-step__panel ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: .42rem;
}

.page-contact .contact-step__panel li {
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(237, 231, 217, .8);
}

/* ---------- 联系渠道（象牙白呼吸区） ---------- */
.page-contact .contact-channels {
  color: var(--graphite);
}

.page-contact .contact-channels .eyebrow {
  color: #8a6a1f;
}

.page-contact .contact-channels .section-title {
  color: var(--graphite);
}

.page-contact .contact-channels .lede {
  color: rgba(27, 38, 51, .78);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  margin-top: 2.3rem;
  align-items: start;
}

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

.page-contact .contact-channels__figure .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 12px 12px 46% 12px / 12px 12px 20% 12px;
  border: 1px solid rgba(27, 38, 51, .16);
}

.page-contact .contact-channels__figure .figure__caption {
  margin-top: .8rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: rgba(27, 38, 51, .6);
}

.page-contact .contact-channels__list {
  display: grid;
  gap: 1px;
  background: rgba(27, 38, 51, .14);
  border-top: 1px solid rgba(27, 38, 51, .16);
  border-bottom: 1px solid rgba(27, 38, 51, .16);
}

.page-contact .channel-row {
  display: grid;
  gap: .3rem;
  padding: .95rem .9rem .95rem .2rem;
  background: var(--ivory);
  transition: background .28s ease, padding-left .28s ease;
}

.page-contact .channel-row:hover,
.page-contact .channel-row:focus-within {
  background: #fbf8f0;
  padding-left: .55rem;
}

.page-contact .channel-row__label {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #8a6a1f;
}

.page-contact .channel-row__value {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(.95rem, 3.2vw, 1.1rem);
  font-weight: 700;
  letter-spacing: .01em;
  word-break: break-word;
  color: var(--graphite);
}

.page-contact .channel-row__use {
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(27, 38, 51, .68);
}

.page-contact .contact-channels__note {
  margin: 1.5rem 0 0;
  padding: .9rem 1rem;
  border-left: 3px solid var(--jade);
  background: rgba(63, 167, 150, .09);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .87rem;
  line-height: 1.75;
  color: rgba(27, 38, 51, .82);
}

/* ---------- 响应时段 ---------- */
.page-contact .contact-hours {
  background:
    linear-gradient(180deg, var(--ink-900), var(--ink-800) 78%, var(--ink-900));
}

.page-contact .contact-hours__grid {
  display: grid;
  gap: clamp(1.8rem, 4.5vw, 3rem);
}

.page-contact .contact-hours__stats {
  display: grid;
  gap: 1px;
  background: var(--pc-hairline);
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-hours__stat {
  padding: 1.15rem 1.15rem 1.2rem;
  background: var(--ink-800);
}

.page-contact .contact-hours__stat .stat__num {
  margin: 0;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 5.6vw, 2rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--gold);
}

.page-contact .contact-hours__stat .stat__label {
  margin: .5rem 0 0;
  font-size: .86rem;
  line-height: 1.65;
  color: rgba(237, 231, 217, .74);
}

.page-contact .contact-hours__notes {
  display: grid;
  gap: 1rem;
}

.page-contact .contact-hours__notes p {
  margin: 0;
  padding-left: 1rem;
  border-left: 1px solid rgba(63, 167, 150, .5);
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(237, 231, 217, .8);
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .contact-faq__grid {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-contact .contact-faq__rail .btn {
  margin-top: 1.4rem;
}

.page-contact .contact-faq__list {
  display: grid;
  gap: .5rem;
  align-content: start;
}

.page-contact .contact-faq__item {
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color .28s ease;
}

.page-contact .contact-faq__item:hover {
  border-color: rgba(217, 169, 76, .42);
}

.page-contact .contact-faq__trigger {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  min-height: 56px;
  padding: 1.05rem 1.15rem;
  background: transparent;
  border: 0;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.page-contact .contact-faq__trigger:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-contact .contact-faq__q {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--ivory);
}

.page-contact .contact-faq__chev {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--mist);
  border-bottom: 1.5px solid var(--mist);
  transform: rotate(45deg);
  transition: transform .3s ease, border-color .3s ease;
}

.page-contact .contact-faq__trigger[aria-expanded="true"] .contact-faq__chev {
  transform: rotate(-135deg);
  border-color: var(--gold);
}

.page-contact .contact-faq__panel {
  padding: 0 1.15rem 1.2rem;
}

.page-contact .contact-faq__panel p {
  margin: 0;
  font-size: .91rem;
  line-height: 1.85;
  color: rgba(237, 231, 217, .78);
}

.page-contact .contact-faq__panel a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 接下来 ---------- */
.page-contact .contact-next {
  background: var(--ink-900);
  border-top: 1px solid var(--pc-hairline);
  padding-bottom: calc(var(--pc-pad) + 3.2rem);
}

.page-contact .contact-next__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-contact .contact-next__links {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pc-hairline);
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-next__links a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no label"
    "no desc";
  gap: .2rem .9rem;
  padding: 1rem 1.1rem;
  background: var(--ink-800);
  text-decoration: none;
  transition: background .28s ease, padding-left .28s ease;
}

.page-contact .contact-next__links a:hover,
.page-contact .contact-next__links a:focus-visible {
  background: var(--ink-700);
  padding-left: 1.4rem;
}

.page-contact .contact-next__no {
  grid-area: no;
  align-self: center;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.page-contact .contact-next__label {
  grid-area: label;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ivory);
}

.page-contact .contact-next__desc {
  grid-area: desc;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 交互还原 ---------- */
.page-contact .accordion__panel[hidden] {
  display: none;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 680px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-contact .contact-track--tech {
    margin-top: 2.4rem;
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 6fr 5fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
  }

  .page-contact .contact-hero__figure .figure__img {
    aspect-ratio: 7 / 5;
  }

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

  .page-contact .contact-track--region {
    grid-column: auto;
    margin-top: 3.9rem;
  }

  .page-contact .contact-process__grid {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

  .page-contact .contact-process__rail {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }

  .page-contact .contact-process__orbit {
    display: block;
  }

  .page-contact .contact-step__head {
    grid-template-columns: auto 1fr auto auto;
    grid-template-areas: "index text meta chev";
    align-items: center;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .contact-hours__notes {
    grid-column: 2 / 3;
  }

  .page-contact .contact-faq__grid {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

  .page-contact .contact-next__grid {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

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

@media (max-width: 420px) {
  .page-contact .contact-step__head {
    padding-right: .4rem;
  }

  .page-contact .contact-step__head .step__index {
    font-size: 1.3rem;
  }

  .page-contact .channel-row__value {
    font-size: .94rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-process__orbit {
    animation: none;
  }

  .page-contact [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .page-contact .channel-row,
  .page-contact .contact-step__head,
  .page-contact .contact-next__links a {
    transition: none;
  }
}