.page-contact {
  position: relative;
  isolation: isolate;
  font-family: var(--ff-body);
  color: var(--paper);
  background: var(--ink);
  overflow-x: clip;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 47, 58, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 47, 58, .5) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), rgba(0, 0, 0, .25) 55%, transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), rgba(0, 0, 0, .25) 55%, transparent 88%);
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(22px, 3.4vw, 40px);
  padding-bottom: clamp(26px, 4vw, 48px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 28px;
}

.page-contact .contact-hero__copy .eyebrow {
  display: block;
  margin: 0;
  font-family: var(--ff-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 46em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-facts {
  margin: 0;
  border: var(--bd);
  border-left: 4px solid var(--cyan);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-fact {
  display: block;
  padding: 14px 18px;
  border-bottom: var(--bd);
}

.page-contact .contact-fact:last-child {
  border-bottom: 0;
}

.page-contact .contact-fact__k {
  display: block;
  margin: 0;
  font-family: var(--ff-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-fact__v {
  display: block;
  margin: 7px 0 0;
  font-family: var(--ff-mono);
  font-size: var(--fs-14);
  color: var(--white);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(270px, .9fr);
    gap: clamp(34px, 5vw, 76px);
    align-items: end;
  }
}

/* ---------- 通栏图 ---------- */
.page-contact .contact-banner {
  margin: 0 auto;
  padding-top: clamp(4px, 1vw, 10px);
}

.page-contact .contact-banner__frame {
  border: var(--bd);
  border-left: 4px solid var(--cyan);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .contact-banner__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1200 / 560;
  object-fit: cover;
}

.page-contact .contact-banner__cap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-top: 12px;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-banner__cap .mono {
  color: var(--cyan);
  letter-spacing: .12em;
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(30px, 5vw, 62px);
  padding-bottom: clamp(26px, 4vw, 48px);
}

@media (min-width: 1020px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(276px, 322px) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 68px);
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(clamp(20px, 3vw, 44px) + 46px);
  }
}

/* ---------- 左侧信息卡 ---------- */
.page-contact .contact-rail {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-card {
  position: relative;
  padding: 18px 20px 20px;
  background: var(--panel);
  border: var(--bd);
  border-left: 4px solid var(--line);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-card--meta {
  border-left-color: var(--white);
  background: linear-gradient(180deg, rgba(242, 236, 224, .08), rgba(242, 236, 224, 0) 70%), var(--panel);
}

.page-contact .contact-card__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--ff-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-card__dot {
  width: 6px;
  height: 6px;
  flex: none;
  background: currentColor;
}

.page-contact .contact-card__value {
  display: block;
  margin: 12px 0 0;
  font-family: var(--ff-mono);
  font-weight: 500;
  font-size: var(--fs-16);
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--addr {
  font-family: var(--ff-body);
  font-weight: 500;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-contact .contact-card__note {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-meta {
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-meta__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-meta__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-meta__row dt {
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .contact-meta__row dd {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--paper);
  text-align: right;
  overflow-wrap: anywhere;
}

/* ---------- 右侧内容列 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: clamp(38px, 6vw, 68px);
  min-width: 0;
}

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

.page-contact .contact-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: var(--bd);
}

.page-contact .contact-block__idx {
  flex: none;
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .contact-block--r .contact-block__idx {
  color: var(--amber);
}

.page-contact .contact-block--v .contact-block__idx {
  color: var(--rose);
}

.page-contact .contact-block__title {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-block__lede {
  margin: 18px 0 0;
  max-width: 42em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--bd);
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  background: var(--panel);
}

.page-contact .check-item__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 28px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: var(--fs-12);
  letter-spacing: .08em;
}

.page-contact .check-item:nth-child(2) .check-item__idx {
  border-color: var(--amber);
  color: var(--amber);
}

.page-contact .check-item:nth-child(3) .check-item__idx {
  border-color: var(--rose);
  color: var(--rose);
}

.page-contact .check-item:nth-child(4) .check-item__idx {
  border-color: var(--mist);
  color: var(--mist);
}

.page-contact .check-item__body {
  min-width: 0;
}

.page-contact .check-item__title {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .check-item__desc {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 清单配图 ---------- */
.page-contact .contact-figure {
  margin: 26px 0 0;
}

.page-contact .contact-figure__frame {
  border: var(--bd);
  border-top: 4px solid var(--amber);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .contact-figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 800 / 520;
  object-fit: cover;
}

.page-contact .contact-figure__cap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-top: 11px;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-figure__cap .mono {
  color: var(--amber);
  letter-spacing: .12em;
}

/* ---------- 回复路径时间线 ---------- */
.page-contact .contact-timeline {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  position: relative;
}

.page-contact .contact-timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), var(--amber) 56%, var(--rose));
  opacity: .55;
}

.page-contact .tl-node {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-bottom: 26px;
}

.page-contact .tl-node:last-child {
  padding-bottom: 0;
}

.page-contact .tl-node__idx {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--ink);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: var(--fs-12);
  letter-spacing: .04em;
}

.page-contact .tl-node:nth-child(2) .tl-node__idx {
  border-color: var(--amber);
  color: var(--amber);
}

.page-contact .tl-node:nth-child(3) .tl-node__idx {
  border-color: var(--rose);
  color: var(--rose);
}

.page-contact .tl-node:nth-child(4) .tl-node__idx {
  border-color: var(--mist);
  color: var(--mist);
}

.page-contact .tl-node__body {
  min-width: 0;
  padding-top: 1px;
}

.page-contact .tl-node__title {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .tl-node__desc {
  margin: 8px 0 0;
  max-width: 40em;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 收尾快捷带 ---------- */
.page-contact .contact-exit {
  margin-top: clamp(22px, 3.6vw, 48px);
  padding-top: clamp(30px, 5vw, 56px);
  padding-bottom: clamp(34px, 5.5vw, 64px);
  border-top: var(--bd);
}

.page-contact .contact-exit__title {
  margin: 0 0 20px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(19px, 3vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .exit-grid {
  display: grid;
  gap: 14px;
}

.page-contact .exit-card {
  display: block;
  padding: 18px 20px 22px;
  background: var(--panel);
  border: var(--bd);
  border-top: 4px solid var(--cyan);
  text-decoration: none;
  transition: transform var(--t), background var(--t), border-color var(--t);
}

.page-contact .exit-card--r {
  border-top-color: var(--amber);
}

.page-contact .exit-card--v {
  border-top-color: var(--rose);
}

.page-contact .exit-card:hover,
.page-contact .exit-card:focus-visible {
  transform: translateY(-3px);
  background: #1B1F27;
}

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

.page-contact .exit-card__code {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .exit-card--r .exit-card__code {
  color: var(--amber);
}

.page-contact .exit-card--v .exit-card__code {
  color: var(--rose);
}

.page-contact .exit-card__name {
  display: block;
  margin-top: 10px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .exit-card__desc {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-exit__links {
  margin: 20px 0 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-exit__links a {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line);
  transition: text-decoration-color var(--t), color var(--t);
}

.page-contact .contact-exit__links a:hover,
.page-contact .contact-exit__links a:focus-visible {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}

@media (min-width: 760px) {
  .page-contact .exit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .page-contact .check-item {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 12px;
    padding: 16px 14px;
  }

  .page-contact .check-item__idx {
    width: 30px;
    height: 24px;
  }

  .page-contact .contact-meta__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .contact-meta__row dd {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .exit-card,
  .page-contact .contact-exit__links a {
    transition-duration: 0ms;
  }

  .page-contact .exit-card:hover,
  .page-contact .exit-card:focus-visible {
    transform: none;
  }
}