.page-contact {
  --contact-hair: 1px dashed rgba(31, 41, 51, .26);
  background: var(--ice);
  color: var(--ink);
}

.page-contact .breadcrumb {
  padding-top: 1.25rem;
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding: 1.5rem 0 0;
}

.page-contact .contact-hero__frame {
  position: relative;
  overflow: hidden;
  border: var(--bd);
  background: var(--ice);
  box-shadow: var(--shadow-hard);
  padding: 1.6rem 1.15rem 1.9rem;
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  right: -12%;
  width: 48%;
  height: 100%;
  background: linear-gradient(152deg, rgba(11, 61, 145, .10), rgba(59, 201, 219, .18) 56%, transparent 78%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 5.2vw, 3rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  max-width: 24ch;
  margin: .7rem 0 1rem;
}

.page-contact .contact-hero__lead {
  max-width: 60ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: #33414f;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.35rem;
}

.page-contact .contact-hero__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-contact .contact-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.4rem;
  margin: 1.35rem 0 0;
  padding: 0;
  font-size: .8125rem;
  color: #3c4a58;
}

.page-contact .contact-hero__meta li {
  border-left: 3px solid var(--amber);
  padding-left: .55rem;
  line-height: 1.5;
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-routes {
  padding-top: 2.5rem;
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
}

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

.page-contact .contact-routes__figure {
  margin: 1.5rem 0 1.75rem;
  border: var(--bd);
  background: #fff;
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-routes__figure .figure__media {
  border-bottom: 2px solid var(--ink);
}

.page-contact .contact-routes__figure .figure__media img,
.page-contact .contact-card__media img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .contact-routes__figure .figure__caption {
  padding: .7rem .95rem;
  font-family: var(--font-serif);
  font-size: .8125rem;
  line-height: 1.6;
  color: #43505e;
}

/* ---------- 咨询路径条目 ---------- */
.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .875rem;
}

.page-contact .route-item__box {
  border: var(--bd);
  background: #fff;
  box-shadow: var(--shadow-hard);
}

.page-contact .route-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .7rem;
  min-height: 44px;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-contact .route-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .route-item__summary::after {
  content: "展开";
  margin-left: auto;
  align-self: center;
  font-size: .75rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--red);
  border: 1px solid var(--red);
  padding: .1rem .45rem;
}

.page-contact .route-item__box[open] .route-item__summary::after {
  content: "收起";
  background: var(--red);
  color: #fff;
}

.page-contact .route-item__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .875rem;
  letter-spacing: .09em;
  color: var(--blue);
}

.page-contact .route-item__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: .01em;
}

.page-contact .route-item__hint {
  font-family: var(--font-serif);
  font-size: .8125rem;
  color: var(--mist);
}

.page-contact .route-item__body {
  border-top: 2px solid var(--ink);
  background: var(--ice);
  padding: .9rem 1rem 1.1rem;
  font-size: .9375rem;
  line-height: 1.75;
  color: #33414f;
}

.page-contact .route-item__body p {
  margin: 0 0 .6rem;
}

.page-contact .route-item__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .3rem;
}

.page-contact .route-item__body li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .875rem;
}

.page-contact .route-item__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: .45rem;
  height: .45rem;
  background: var(--amber);
  border: 1px solid var(--ink);
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  border: var(--bd);
  background: #fff;
  box-shadow: var(--shadow-brand);
}

.page-contact .contact-card__media {
  border-bottom: 2px solid var(--ink);
  background: var(--night);
}

.page-contact .contact-card__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .contact-card__body {
  padding: 1.15rem 1.1rem 1.25rem;
}

.page-contact .contact-card__label {
  display: inline-block;
  margin: 0;
  background: var(--amber);
  color: var(--ink);
  border: 2px solid var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .75rem;
  letter-spacing: .14em;
  padding: .2rem .55rem;
}

.page-contact .contact-card__email {
  margin: .8rem 0 .3rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(.95rem, 3.6vw, 1.1875rem);
  line-height: 1.4;
  letter-spacing: .005em;
  color: var(--blue);
  word-break: break-all;
  background: linear-gradient(transparent 64%, rgba(242, 169, 0, .48) 64%);
}

.page-contact .contact-card__note {
  margin: .55rem 0 1.05rem;
  font-size: .875rem;
  line-height: 1.7;
  color: #3c4a58;
}

.page-contact .contact-card__list {
  margin: 0 0 1.15rem;
  display: grid;
  gap: .7rem;
}

.page-contact .contact-card__row {
  border-left: 3px solid var(--snow);
  padding-left: .7rem;
}

.page-contact .contact-card__row dt {
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .contact-card__row dd {
  margin: .1rem 0 0;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.6;
}

.page-contact .contact-card .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
}

/* ---------- 响应时间轴 ---------- */
.page-contact .contact-hours {
  background: linear-gradient(180deg, rgba(216, 224, 234, .45), transparent 70%);
}

.page-contact .timeline {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-contact .timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem;
  padding: .85rem 0 .85rem 1.45rem;
  border-left: 2px solid var(--snow);
}

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 1.15rem;
  width: 10px;
  height: 10px;
  background: var(--amber);
  border: 2px solid var(--ink);
}

.page-contact .timeline__time {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--blue);
}

.page-contact .timeline__body h3 {
  margin: .15rem 0 .3rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.45;
}

.page-contact .timeline__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: #3c4a58;
  max-width: 56ch;
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep {
  padding-top: 2rem;
}

.page-contact .contact-prep__intro h2 {
  margin: .6rem 0 .75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-contact .contact-prep__intro p {
  margin: 0 0 1.4rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: #3c4a58;
  max-width: 42ch;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-contact .prep-item {
  position: relative;
  border: var(--bd);
  background: #fff;
  box-shadow: 4px 4px 0 rgba(10, 18, 32, .10);
  padding: .85rem .95rem .9rem 2.85rem;
}

.page-contact .prep-item__num {
  position: absolute;
  left: .8rem;
  top: .85rem;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .75rem;
  line-height: 1;
}

.page-contact .prep-item h3 {
  margin: 0 0 .25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .9375rem;
  line-height: 1.45;
}

.page-contact .prep-item p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.68;
  color: #3c4a58;
}

/* ---------- 合作与生态 ---------- */
.page-contact .contact-eco {
  padding-top: 2rem;
}

.page-contact .eco-grid {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .65rem;
}

.page-contact .eco-item {
  border: var(--bd);
  background: #fff;
  box-shadow: inset 4px 0 0 var(--cyan);
  padding: .8rem 1rem .85rem;
}

.page-contact .eco-item h3 {
  margin: 0 0 .22rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .9375rem;
  line-height: 1.5;
}

.page-contact .eco-item p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.65;
  color: #3c4a58;
}

.page-contact .contact-eco__note {
  margin: 1.2rem 0 0;
  padding-left: .85rem;
  border-left: 4px solid var(--red);
  font-size: .875rem;
  line-height: 1.75;
  color: #33414f;
  max-width: 62ch;
}

/* ---------- 帮助中心前置 ---------- */
.page-contact .contact-help {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.page-contact .contact-help__box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  border: var(--bd);
  background: var(--blue);
  color: var(--ice);
  box-shadow: var(--shadow-hard);
  padding: 1.4rem 1.15rem 1.5rem;
}

.page-contact .contact-help__eyebrow {
  color: var(--amber-bright);
}

.page-contact .contact-help__text h2 {
  margin: .55rem 0 .7rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  line-height: 1.35;
  color: var(--ice);
}

.page-contact .contact-help__text p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(247, 250, 252, .88);
}

.page-contact .contact-help__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
  align-content: start;
}

.page-contact .chip-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  min-height: 44px;
  padding: .55rem .85rem;
  background: var(--ice);
  color: var(--ink);
  border: 2px solid var(--night);
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .chip-link::after {
  content: "→";
  flex: none;
  font-weight: 800;
  color: var(--red);
}

.page-contact .chip-link:hover,
.page-contact .chip-link:focus-visible {
  background: var(--amber);
  transform: translateX(2px);
}

.page-contact .contact-help__foot {
  margin: 1.15rem 0 0;
  font-size: .875rem;
  line-height: 1.8;
  color: #3c4a58;
}

.page-contact .contact-help__foot a {
  color: var(--blue);
  font-weight: 600;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__frame {
    padding: 2rem 1.75rem 2.25rem;
  }

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

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

  .page-contact .contact-card__body {
    padding: 1.35rem 1.35rem 1.45rem;
  }
}

@media (min-width: 760px) {
  .page-contact .timeline__item {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    column-gap: 1.25rem;
    align-items: start;
    padding: 1rem 0 1rem 1.6rem;
  }

  .page-contact .timeline__item::before {
    top: 1.3rem;
  }

  .page-contact .timeline__time {
    font-size: .875rem;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-top: 1.75rem;
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(290px, 1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-contact .contact-prep__grid {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.45fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-contact .contact-prep__intro {
    position: sticky;
    top: 7rem;
  }

  .page-contact .contact-help__box {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    padding: 1.9rem 2rem;
    gap: 2rem;
  }
}

@media (min-width: 1080px) {
  .page-contact .eco-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-hero__frame {
    padding: 2.4rem 2.4rem 2.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chip-link {
    transition: none;
  }

  .page-contact .chip-link:hover,
  .page-contact .chip-link:focus-visible {
    transform: none;
  }
}
<<<END>>>