.page-contact {
  background: var(--ink);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero-img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 68%;
  opacity: 0.34;
  filter: saturate(0.55) contrast(1.05);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(180deg, rgba(11, 31, 23, 0.46) 0%, rgba(11, 31, 23, 0.88) 58%, var(--ink) 100%),
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 120px);
  background-size: auto, auto;
}

.page-contact .contact-hero-track {
  position: absolute;
  right: -8%;
  bottom: 16%;
  z-index: -1;
  width: 52%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-cyan) 45%, transparent);
  transform: rotate(-6deg);
  transform-origin: right center;
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  padding: 84px 0 68px;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  font-size: var(--fs-index);
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--silver);
}

.page-contact .breadcrumb-link {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.page-contact .breadcrumb-item span[aria-current="page"] {
  color: var(--white);
}

.page-contact .contact-hero-idx {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-size: var(--fs-index);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero-idx::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .contact-hero-title {
  margin: 0 0 24px;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero-lede {
  margin: 0;
  max-width: 60ch;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.78);
}

/* ---------- 顶部数据带 ---------- */
.page-contact .contact-band {
  height: auto;
  background: var(--coal);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-band-inner {
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .contact-band-cell {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-band-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .contact-band-val {
  display: block;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-band-val--cyan {
  color: var(--cyan);
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-block {
  padding: 64px 0;
}

.page-contact .contact-block + .contact-block {
  border-top: 1px solid var(--line);
}

.page-contact .contact-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 18px;
  margin-bottom: 36px;
}

.page-contact .contact-h2 {
  flex: 1 1 auto;
  min-width: 220px;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

/* ---------- 问题分类 ---------- */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .contact-index {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.page-contact .contact-index-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  padding: 16px 12px 16px 14px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background-color 220ms var(--ease), padding-left 220ms var(--ease);
}

.page-contact .contact-index-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 220ms var(--ease);
}

.page-contact .contact-index-item:hover,
.page-contact .contact-index-item:focus-visible {
  background: rgba(31, 224, 192, 0.07);
  padding-left: 20px;
}

.page-contact .contact-index-item:hover::before,
.page-contact .contact-index-item:focus-visible::before {
  transform: scaleY(1);
}

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

.page-contact .contact-index-num {
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-size: var(--fs-index);
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .contact-index-name {
  grid-column: 2;
  margin-bottom: 4px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .contact-index-note {
  grid-column: 2;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--silver);
}

.page-contact .contact-panels {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-contact .contact-panel {
  position: relative;
  padding: 24px 20px 26px 24px;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  scroll-margin-top: 92px;
  transition: box-shadow 220ms var(--ease), transform 220ms var(--ease);
}

.page-contact .contact-panel:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--line-cyan);
}

.page-contact .contact-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: var(--cyan);
}

.page-contact .contact-panel-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
}

.page-contact .contact-panel p {
  margin: 0 0 14px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.8);
}

.page-contact .contact-panel-link {
  display: inline-block;
  margin-top: 4px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .contact-panel-link:hover,
.page-contact .contact-panel-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--line-orange);
}

/* ---------- 写信模板 ---------- */
.page-contact .contact-template-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-contact .contact-template-lede {
  margin: 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.76);
}

.page-contact .contact-fields {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .contact-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-field-key {
  font-size: var(--fs-index);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .contact-field-val {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(232, 241, 238, 0.86);
}

.page-contact .contact-media {
  margin: 0;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  overflow: hidden;
}

.page-contact .contact-media .media-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-contact .contact-media .media-caption {
  padding: 14px 18px 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--silver);
  border-top: 1px solid var(--line);
}

/* ---------- 电话与邮箱 ---------- */
.page-contact .contact-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .contact-channel {
  padding: 26px 22px 28px;
  background: var(--cream);
  color: var(--umber);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-contact .contact-channel--alt {
  background: #E4DCC8;
}

.page-contact .contact-channel .tag {
  display: inline-block;
}

.page-contact .contact-channel-val {
  display: inline-block;
  margin: 16px 0 12px;
  padding-bottom: 5px;
  font-size: clamp(1rem, 2.6vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--umber);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 2px solid var(--orange);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

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

.page-contact .contact-channel p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(42, 30, 22, 0.78);
}

.page-contact .contact-timeline {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(42, 30, 22, 0.2);
}

.page-contact .contact-timeline-track {
  position: relative;
  height: 6px;
  background: rgba(42, 30, 22, 0.16);
  overflow: hidden;
}

.page-contact .contact-timeline-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--orange) 100%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 620ms var(--ease);
}

.page-contact .contact-timeline.is-in .contact-timeline-fill {
  transform: scaleX(1);
}

.page-contact .contact-timeline-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  color: rgba(42, 30, 22, 0.66);
}

.page-contact .contact-timeline-note {
  margin: 12px 0 0;
  font-size: 0.8125rem;
  line-height: 1.68;
  color: rgba(42, 30, 22, 0.7);
}

/* ---------- 到访与地址 ---------- */
.page-contact .contact-place-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .contact-place-label {
  margin: 0 0 16px;
  font-size: var(--fs-index);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .contact-place-line {
  display: block;
  padding: 10px 0;
  font-size: clamp(1.05rem, 2.8vw, 1.4rem);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--white);
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-place-line:last-of-type {
  border-bottom: 0;
}

.page-contact .contact-place-note p {
  margin: 0 0 16px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.8);
}

.page-contact .contact-place-note p:last-child {
  margin-bottom: 0;
}

/* ---------- 合作共建 ---------- */
.page-contact .contact-partner-lede {
  margin: 0 0 32px;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.78);
}

.page-contact .contact-partner-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .contact-partner-item {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-partner-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: var(--fs-index);
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--cyan);
}

.page-contact .contact-partner-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.82);
}

.page-contact .contact-partner-cta {
  margin: 0;
  padding-left: 18px;
  border-left: 2px solid var(--orange);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.86);
}

/* ---------- 后续跟进 ---------- */
.page-contact .contact-followup-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .contact-followup-item {
  padding: 22px 20px 24px;
  background: rgba(20, 24, 26, 0.72);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .contact-followup-time {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-contact .contact-followup-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .contact-followup-item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(232, 241, 238, 0.76);
}

.page-contact .contact-followup-foot {
  margin: 32px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  max-width: 66ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(232, 241, 238, 0.8);
}

.page-contact .contact-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .contact-inline-link:hover,
.page-contact .contact-inline-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--line-orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-field {
    grid-template-columns: 176px 1fr;
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .contact-partner-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }

  .page-contact .contact-partner-item {
    padding-right: 8px;
  }
}

@media (min-width: 820px) {
  .page-contact .contact-hero-inner {
    padding: 116px 0 84px;
  }

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

  .page-contact .contact-band-cell {
    padding: 28px 0;
    border-bottom: 0;
  }

  .page-contact .contact-band-cell + .contact-band-cell {
    padding-left: 28px;
    border-left: 1px solid var(--line);
  }

  .page-contact .contact-block {
    padding: 84px 0;
  }

  .page-contact .contact-channel-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-contact .contact-place-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-followup-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-grid {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .contact-template-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 56px;
    align-items: center;
  }

  .page-contact .contact-followup-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-index-item,
  .page-contact .contact-panel,
  .page-contact .contact-panel-link,
  .page-contact .contact-channel-val,
  .page-contact .contact-inline-link,
  .page-contact .breadcrumb-link {
    transition: none;
  }

  .page-contact .contact-timeline-fill {
    transition: none;
    transform: scaleX(1);
  }

  .page-contact .contact-panel:hover {
    transform: none;
  }
}