/* ===== 联系我们 · 页面专属样式（作用域 .page-contact） ===== */

.page-contact {
  position: relative;
  background: var(--ink);
  color: var(--fog);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-contact .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--line-strong);
}

.page-contact .breadcrumb__sep {
  color: rgba(157, 184, 217, .45);
}

.page-contact .breadcrumb__item [aria-current] {
  color: var(--snow);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(48px, 7vw, 88px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: min(72vw, 840px);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, rgba(45, 125, 255, .30), rgba(45, 125, 255, 0) 64%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 5.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .contact-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 108px;
}

.page-contact .contact-hero__stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .contact-hero__stats .stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

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

.page-contact .contact-hero__frame {
  position: relative;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--slate), var(--ink-deep));
}

.page-contact .contact-hero__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 主体分栏 ---------- */
.page-contact .contact-body {
  padding-top: clamp(44px, 6vw, 76px);
}

.page-contact .contact-layout {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-contact .contact-card {
  position: relative;
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 32px);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(242, 246, 252, .05), 0 30px 70px -50px rgba(0, 0, 0, .95);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 3px;
  border-radius: 0 0 3px 0;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.page-contact .contact-card__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact .contact-item {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-item__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .contact-item__value {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .contact-item__value--mono {
  font-size: clamp(21px, 2.4vw, 27px);
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .contact-item__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .contact-card__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 右侧内容流 ---------- */
.page-contact .contact-feed {
  display: grid;
  gap: clamp(44px, 5vw, 76px);
}

.page-contact .contact-block__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .contact-block__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .contact-block__note {
  margin: 24px 0 0;
  padding: 16px 20px;
  border-left: 2px solid var(--line-strong);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(45, 125, 255, .07);
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .contact-block__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 125, 255, .4);
  transition: border-color .18s var(--ease);
}

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

/* ---------- 渠道卡 ---------- */
.page-contact .route-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px 23px;
  background: rgba(27, 42, 68, .72);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .18s var(--ease), transform .18s var(--ease), background .18s var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: var(--blue);
}

.page-contact .route-card--cyan::before {
  background: var(--cyan);
}

.page-contact .route-card--orange::before {
  background: var(--orange);
}

.page-contact .route-card:hover {
  border-color: var(--line-strong);
  background: rgba(27, 42, 68, .95);
  transform: translateY(-3px);
}

.page-contact .route-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(45, 125, 255, .14);
  color: var(--blue);
}

.page-contact .route-card--cyan .route-card__icon {
  background: rgba(51, 224, 208, .13);
  color: var(--cyan);
}

.page-contact .route-card--orange .route-card__icon {
  background: rgba(255, 138, 61, .14);
  color: var(--orange);
}

.page-contact .route-card__icon svg {
  display: block;
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-contact .route-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--snow);
}

.page-contact .route-card__text {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .route-card__to {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  color: var(--mist);
}

/* ---------- 自查清单 ---------- */
.page-contact .check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  position: relative;
}

.page-contact .check-item__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-contact .check-item__label {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  background: rgba(11, 30, 58, .55);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-contact .check-item__label:hover {
  border-color: var(--line-strong);
  background: rgba(11, 30, 58, .8);
}

.page-contact .check-item__input:focus-visible + .check-item__label {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.page-contact .check-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1.5px solid var(--mist);
  border-radius: 6px;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .check-item__mark::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink-deep);
  border-bottom: 2px solid var(--ink-deep);
  transform: rotate(42deg) scale(0);
  transition: transform .18s var(--ease);
}

.page-contact .check-item__input:checked + .check-item__label .check-item__mark {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .check-item__input:checked + .check-item__label .check-item__mark::after {
  transform: rotate(42deg) scale(1);
}

.page-contact .check-item__input:checked + .check-item__label .check-item__title {
  color: var(--mist);
}

.page-contact .check-item__content {
  display: grid;
  gap: 8px;
}

.page-contact .check-item__index {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .check-item__title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
  transition: color .18s var(--ease);
}

.page-contact .check-item__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 来信与到访 ---------- */
.page-contact .contact-letter__grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
  align-items: center;
}

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

.page-contact .contact-letter__frame {
  position: relative;
  aspect-ratio: 10 / 7;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--slate), var(--ink-deep));
}

.page-contact .contact-letter__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-letter__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 30, 58, 0) 45%, rgba(7, 21, 41, .72));
  pointer-events: none;
}

.page-contact .letter-facts {
  margin: 24px 0 0;
}

.page-contact .letter-fact {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .letter-fact:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .letter-fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .letter-fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--snow);
}

.page-contact .contact-letter__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-letter__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 125, 255, .4);
  transition: border-color .18s var(--ease);
}

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

/* ---------- 合作横带 ---------- */
.page-contact .contact-coop__band {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgba(45, 125, 255, .28);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(45, 125, 255, .17), rgba(51, 224, 208, .07) 55%, rgba(11, 30, 58, 0) 100%),
    var(--ink-deep);
  overflow: hidden;
}

.page-contact .contact-coop__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .contact-coop__text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .contact-coop__side {
  padding-left: clamp(0px, 3vw, 32px);
  border-left: 1px solid var(--line-soft);
}

.page-contact .contact-coop__side-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .contact-coop__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-coop__list .tick-list__item {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .contact-coop__list .tick-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .contact-coop__to {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .route-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .contact-letter__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-contact .contact-coop__band {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 1.08fr 0.92fr;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: 4fr 7fr;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 92px;
  }
}

@media (max-width: 959px) {
  .page-contact .contact-aside {
    max-width: 560px;
  }
}

@media (max-width: 859px) {
  .page-contact .contact-coop__side {
    padding-left: 0;
    padding-top: 24px;
    border-left: 0;
    border-top: 1px solid var(--line-soft);
  }
}

@media (max-width: 560px) {
  .page-contact .contact-hero__stats {
    gap: 14px 22px;
  }

  .page-contact .contact-hero__stats li {
    min-width: 96px;
  }

  .page-contact .check-item__label {
    padding: 18px 16px;
    gap: 12px;
  }

  .page-contact .route-card {
    padding: 18px 16px 16px 19px;
  }
}
<<<END>>>