.page-contact {
  --contact-line: rgba(245, 247, 250, .14);
  --contact-line-ink: rgba(11, 21, 34, .14);
  --contact-dim: rgba(245, 247, 250, .68);
  --contact-ink-dim: rgba(11, 21, 34, .68);
  background: var(--ink-900);
  color: var(--paper-050);
  padding-top: 4px;
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel-400);
}

.page-contact .breadcrumb__link {
  color: var(--steel-400);
  text-decoration: none;
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--mint-400);
}

.page-contact .breadcrumb__sep {
  color: var(--ink-700);
}

.page-contact .breadcrumb__item[aria-current="page"] {
  color: var(--solar-300);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 22px 0 0;
}

.contact-hero__grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 960px) {
  .contact-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 24px;
    align-items: stretch;
  }
}

.contact-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 20px 30px;
  border: 1px solid var(--ink-700);
  background: linear-gradient(158deg, #12253C 0%, var(--ink-900) 64%);
}

@media (min-width: 960px) {
  .contact-card {
    padding: 42px 40px 46px;
  }
}

.contact-card__glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.72);
}

.contact-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, rgba(11, 21, 34, .96) 32%, rgba(11, 21, 34, .40) 100%);
}

.contact-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--solar-300);
}

.contact-card h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 52px);
  line-height: 1.05;
  letter-spacing: -.025em;
  max-width: 11em;
}

.contact-card .lede {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-dim);
}

.contact-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 26px;
  padding: 14px 16px;
  border: 1px solid var(--ink-700);
  background: rgba(16, 31, 51, .8);
}

.contact-mail__addr {
  flex: 1 1 220px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.6vw, 20px);
  letter-spacing: -.01em;
  color: var(--solar-100);
  overflow-wrap: anywhere;
  user-select: all;
}

.contact-mail__copy {
  flex: 0 0 auto;
}

.contact-card__hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--steel-400);
}

/* ---------- 邮件范例卡 ---------- */
.mail-template {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 22px 20px 24px 23px;
  background: var(--solar-100);
  border: 1px solid rgba(255, 122, 24, .42);
  color: var(--ink-900);
}

.mail-template::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--solar-500), var(--solar-300));
}

.mail-template__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--solar-600);
}

.mail-template__title {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
}

.mail-line {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 9px 0;
  border-top: 1px solid var(--contact-line-ink);
  font-size: 13.5px;
  line-height: 1.65;
}

.mail-line__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(11, 21, 34, .56);
  padding-top: 2px;
}

.mail-line__v {
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.mail-template__foot {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(11, 21, 34, .26);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(11, 21, 34, .62);
}

/* ---------- 四步流程 ---------- */
.page-contact .flow {
  background: var(--paper-050);
  color: var(--ink-900);
  padding: 48px 0 52px;
}

@media (min-width: 900px) {
  .page-contact .flow {
    padding: 72px 0 76px;
  }
}

.flow__intro {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-ink-dim);
}

.steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid rgba(11, 21, 34, .22);
}

.step {
  padding: 20px 0 22px;
  border-bottom: 1px solid rgba(11, 21, 34, .14);
}

.step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--solar-600);
}

.step__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(11, 21, 34, .72);
}

.step__time {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--solar-600);
  background: rgba(255, 122, 24, .14);
}

@media (min-width: 900px) {
  .steps {
    display: grid;
    grid-template-columns: .85fr 1fr 1.35fr .9fr;
    border-bottom: 1px solid rgba(11, 21, 34, .22);
  }

  .step {
    padding: 26px 20px 28px;
    border-bottom: 0;
    border-left: 1px solid rgba(11, 21, 34, .16);
  }

  .step:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .step:last-child {
    padding-right: 0;
  }

  .step:nth-child(3) {
    background: rgba(255, 122, 24, .08);
  }

  .step:nth-child(3) .step__num {
    font-size: 14px;
  }

  .step:nth-child(3) .step__title {
    font-size: 24px;
  }
}

.flow__figure {
  margin: 34px 0 0;
  border: 1px solid rgba(11, 21, 34, .14);
  background: #FFFFFF;
  overflow: hidden;
}

.flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 400;
  object-fit: cover;
}

/* ---------- 时效与例外 ---------- */
.page-contact .timing {
  background: var(--ink-800);
  color: var(--paper-050);
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
  padding: 52px 0 56px;
}

@media (min-width: 900px) {
  .page-contact .timing {
    padding: 72px 0 76px;
  }
}

.timing__grid {
  display: grid;
  gap: 34px;
}

@media (min-width: 900px) {
  .timing__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

.timing__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--ink-700);
}

.timing__item {
  display: grid;
  gap: 6px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--ink-700);
}

@media (min-width: 520px) {
  .timing__item {
    grid-template-columns: 136px minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }

  .timing__num {
    grid-row: 1 / span 2;
    align-self: center;
  }
}

.timing__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--solar-500);
}

.timing__num em {
  font-style: normal;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  margin-left: 3px;
  color: var(--solar-300);
}

.timing__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mint-400);
}

.timing__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--contact-dim);
}

.timing__aside {
  padding: 22px 20px 24px;
  border: 1px solid var(--ink-700);
  background: rgba(11, 21, 34, .55);
}

.timing__aside h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.timing__aside ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.timing__aside li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--contact-dim);
}

.timing__aside li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--volt-500);
}

/* ---------- 自查 ---------- */
.page-contact .selfcheck {
  background: var(--solar-100);
  color: var(--ink-900);
  padding: 48px 0 44px;
}

@media (min-width: 900px) {
  .page-contact .selfcheck {
    padding: 72px 0 64px;
  }
}

.selfcheck__grid {
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .selfcheck__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    gap: 56px;
    align-items: start;
  }
}

.selfcheck__text {
  margin: 14px 0 22px;
  max-width: 42ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(11, 21, 34, .72);
}

.selfcheck .btn--ghost {
  border-color: rgba(11, 21, 34, .34);
  color: var(--ink-900);
}

.selfcheck .btn--ghost:hover,
.selfcheck .btn--ghost:focus-visible {
  border-color: var(--mint-400);
  background: rgba(43, 232, 184, .18);
  color: var(--ink-900);
}

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(11, 21, 34, .22);
}

.check {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  column-gap: 14px;
  padding: 18px 0 20px;
  border-bottom: 1px solid rgba(11, 21, 34, .16);
}

.check__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--solar-600);
}

.check__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.4;
}

.check__text {
  grid-column: 2;
  grid-row: 2;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(11, 21, 34, .72);
}

.check__text a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--solar-500);
  text-underline-offset: 3px;
}

.check__text a:hover,
.check__text a:focus-visible {
  color: var(--solar-600);
}

.selfcheck__foot {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(11, 21, 34, .6);
}

.selfcheck__foot a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(255, 122, 24, .8);
  text-underline-offset: 3px;
}

/* ---------- 联络信息 ---------- */
.page-contact .reach {
  background: var(--ink-900);
  color: var(--paper-050);
  padding: 48px 0 56px;
}

@media (min-width: 900px) {
  .page-contact .reach {
    padding: 68px 0 72px;
  }
}

.reach__grid {
  display: grid;
  margin-top: 24px;
  border-top: 1px solid var(--contact-line);
}

.reach__item {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--contact-line);
}

@media (min-width: 820px) {
  .reach__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .reach__item {
    padding: 22px 26px 24px;
    border-left: 1px solid var(--contact-line);
  }

  .reach__item:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .reach__item:last-child {
    padding-right: 0;
  }
}

.reach__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel-400);
}

.reach__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--solar-100);
  overflow-wrap: anywhere;
}

.reach__value--text {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 400;
  color: var(--paper-050);
}

.reach__note {
  margin: 10px 0 0;
  font-size: 12.5px;
  font-weight: 300;
  line-height: 1.72;
  color: var(--steel-400);
}

.reach__base {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.8;
  color: rgba(147, 166, 186, .82);
}
<<<END>>>