.page-contact {
  --contact-hair: rgba(201, 211, 218, 0.2);
  --contact-hair-strong: rgba(201, 211, 218, 0.34);
  --contact-dim: rgba(247, 250, 252, 0.68);
  --contact-dim-soft: rgba(247, 250, 252, 0.52);
  --contact-ink-line: rgba(11, 26, 43, 0.12);
  background: var(--ink);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding: calc(var(--header-h) + 44px) 0 8px;
}

.page-contact .contact-crumbs {
  margin-bottom: 24px;
}

.page-contact .contact-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--contact-dim-soft);
}

.page-contact .contact-crumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--copper);
}

.page-contact .contact-crumbs .breadcrumbs__link {
  color: var(--contact-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-contact .contact-crumbs .breadcrumbs__link:hover,
.page-contact .contact-crumbs .breadcrumbs__link:focus-visible {
  color: var(--copper-2);
  border-bottom-color: var(--copper-2);
}

.page-contact .contact-hero__frame {
  position: relative;
  border: 1px solid var(--contact-hair-strong);
  border-radius: var(--radius);
  padding: 46px 22px 38px;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(127, 196, 232, 0.07) 0%, transparent 58%),
    rgba(18, 40, 63, 0.4);
}

.page-contact .contact-hero__frame::before,
.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 8px;
  background-image: repeating-linear-gradient(to right, var(--copper-2) 0 1px, transparent 1px 34px);
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .contact-hero__frame::before {
  top: 0;
}

.page-contact .contact-hero__frame::after {
  bottom: 0;
}

.page-contact .contact-hero__eyebrow {
  margin: 0;
  color: var(--copper-2);
  font-size: 12px;
  letter-spacing: 0.2em;
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5.6vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--contact-dim);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-contact .contact-hero__fact-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--ice);
}

.page-contact .contact-hero__fact-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--contact-dim-soft);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 52px;
  padding-block: 56px 88px;
}

.page-contact .contact-side {
  order: -1;
}

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

.page-contact .contact-main > * + * {
  margin-top: 84px;
}

/* ---------- 暖纸白信息卡 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: 26px 22px 22px;
  background: var(--paper);
  color: var(--ink-2);
  border-radius: var(--radius);
  border-top: 4px solid var(--copper);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.75);
}

.page-contact .contact-card__label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--copper);
}

.page-contact .contact-card__row {
  padding: 13px 0;
  border-bottom: 1px solid var(--contact-ink-line);
}

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

.page-contact .contact-card__key {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .contact-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-2);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-card__value--plain {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.page-contact .contact-card__tip {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--contact-ink-line);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.72;
  color: #3F5566;
}

.page-contact .contact-card__icp {
  margin: 16px 0 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 章节标题 ---------- */
.page-contact .contact-block {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-contact .section-head {
  display: block;
  margin-bottom: 34px;
}

.page-contact .section-head__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--copper);
}

.page-contact .section-head__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .section-head__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--contact-dim);
}

/* ---------- 三类需求 ---------- */
.page-contact .contact-routes {
  display: grid;
  gap: 12px;
}

.page-contact .contact-routes .accordion__item {
  border: 1px solid var(--contact-hair);
  border-left: 3px solid var(--slate);
  border-radius: var(--radius);
  background: rgba(18, 40, 63, 0.5);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-contact .contact-routes .accordion__item:hover,
.page-contact .contact-routes .accordion__item:focus-within {
  border-left-color: var(--copper);
  border-color: var(--contact-hair-strong);
  background: rgba(18, 40, 63, 0.78);
  transform: translateY(-2px);
}

.page-contact .contact-route__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .contact-route__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 20px 18px;
  background: none;
  border: 0;
  border-radius: var(--radius);
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.page-contact .contact-route__trigger:focus-visible,
.page-contact .contact-material__trigger:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: -2px;
}

.page-contact .contact-route__num {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-contact .contact-route__name {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .contact-route__arrow,
.page-contact .contact-material__arrow {
  color: var(--ice);
  font-size: 12px;
}

.page-contact .contact-routes .accordion__body {
  padding: 0 18px 22px 52px;
  color: var(--contact-dim);
}

.page-contact .contact-route__row + .contact-route__row {
  margin-top: 16px;
}

.page-contact .contact-route__label {
  margin: 0 0 5px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-contact .contact-route__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 图片容器 ---------- */
.page-contact .contact-figure {
  margin: 30px 0 0;
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius);
  background: rgba(18, 40, 63, 0.35);
  overflow: hidden;
}

.page-contact .contact-figure .image-frame__canvas img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.06) brightness(0.94);
}

.page-contact .contact-figure .image-frame__caption {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--contact-hair);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 邮件四要素 ---------- */
.page-contact .contact-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-checklist__num {
  font-size: 20px;
  line-height: 1.3;
  color: var(--copper-2);
  opacity: 0.9;
}

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

.page-contact .contact-checklist__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .contact-checklist__text {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-dim);
}

/* ---------- 电话与值守 ---------- */
.page-contact .contact-phone {
  padding: 28px 22px 24px;
  border: 1px solid var(--contact-hair);
  border-left: 4px solid var(--ice);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(127, 196, 232, 0.09) 0%, transparent 62%),
    rgba(18, 40, 63, 0.55);
}

.page-contact .contact-phone__number {
  margin: 0;
  font-size: clamp(26px, 5.4vw, 42px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-contact .contact-phone__window {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--contact-dim);
}

.page-contact .contact-phone__tips {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 15px;
}

.page-contact .contact-phone__tips li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--contact-dim);
}

.page-contact .contact-phone__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 1px;
  background: var(--copper-2);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-directions {
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-direction {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-direction__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-2);
}

.page-contact .contact-direction__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-dim);
}

.page-contact .contact-materials {
  margin-top: 26px;
}

.page-contact .contact-materials .accordion__item {
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius);
  background: rgba(18, 40, 63, 0.5);
  transition: border-color 0.24s var(--ease);
}

.page-contact .contact-materials .accordion__item:hover,
.page-contact .contact-materials .accordion__item:focus-within {
  border-color: var(--contact-hair-strong);
}

.page-contact .contact-material__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .contact-material__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 18px;
  background: none;
  border: 0;
  border-radius: var(--radius);
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.page-contact .contact-material__name {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ice);
}

.page-contact .contact-materials .accordion__body {
  padding: 0 18px 20px;
}

.page-contact .contact-material__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-contact .contact-material__list li {
  position: relative;
  padding-left: 26px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  color: var(--contact-dim);
}

.page-contact .contact-material__list li::before {
  content: "▸";
  position: absolute;
  left: 4px;
  color: var(--copper);
  font-size: 12px;
  top: 0.15em;
}

/* ---------- 到访 ---------- */
.page-contact .contact-visit {
  padding: 6px 0 6px 22px;
  border-left: 3px solid var(--ice-2);
}

.page-contact .contact-visit__addr {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(18px, 2.6vw, 23px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .contact-visit__note {
  margin: 16px 0 0;
  max-width: 60ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--contact-dim);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .contact-more__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.25;
  color: var(--text);
}

.page-contact .contact-more__lead {
  margin: 12px 0 0;
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-dim);
}

.page-contact .contact-more__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-more__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-more__item .text-link {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 196, 232, 0.35);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-contact .contact-more__item .text-link:hover,
.page-contact .contact-more__item .text-link:focus-visible {
  color: var(--copper-2);
  border-bottom-color: var(--copper-2);
}

.page-contact .contact-more__hint {
  flex: none;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__frame {
    padding: 54px 40px 46px;
  }

  .page-contact .contact-card {
    padding: 30px 28px 26px;
  }

  .page-contact .contact-route__trigger {
    padding: 22px 24px;
  }

  .page-contact .contact-routes .accordion__body {
    padding: 0 24px 24px 63px;
  }

  .page-contact .contact-direction {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .contact-phone {
    padding: 34px 32px 30px;
  }

  .page-contact .contact-material__trigger {
    padding: 20px 24px;
  }

  .page-contact .contact-materials .accordion__body {
    padding: 0 24px 22px 24px;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 76px;
    padding-block: 72px 104px;
  }

  .page-contact .contact-side {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .contact-main > * + * {
    margin-top: 104px;
  }

  .page-contact .section-head {
    margin-bottom: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-routes .accordion__item,
  .page-contact .contact-crumbs .breadcrumbs__link,
  .page-contact .contact-more__item .text-link {
    transition: none;
  }

  .page-contact .contact-routes .accordion__item:hover,
  .page-contact .contact-routes .accordion__item:focus-within {
    transform: none;
  }
}
<<<END>>>