.page-contact {
  --contact-rule: rgba(44, 74, 58, 0.6);
  --contact-grid-size: 72px;
  --contact-pad: clamp(18px, 2.6vw, 32px);
  padding-bottom: clamp(8px, 2vw, 24px);
}

.page-contact .section {
  position: relative;
}

.page-contact .eyebrow {
  margin-bottom: 10px;
}

.page-contact a {
  color: inherit;
}

.page-contact .contact-head {
  max-width: 68ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--ice);
}

.page-contact .lede {
  color: var(--mint);
  line-height: 1.75;
}

/* ---------- Hero ---------- */

.page-contact .contact-hero {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--contact-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-rule) 1px, transparent 1px);
  background-size: var(--contact-grid-size) var(--contact-grid-size);
  opacity: 0.28;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
}

.page-contact .contact-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 0.98;
  margin: 0 0 16px;
  color: var(--ice);
}

.page-contact .contact-hero__copy .lede {
  max-width: 58ch;
  font-size: clamp(1rem, 2.4vw, 1.1rem);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-hero__facts {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--mint);
}

.page-contact .contact-hero__facts .num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  color: var(--lime);
  flex: 0 0 auto;
}

.page-contact .contact-hero__visual {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-700);
  position: relative;
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 46px;
  background: var(--lime);
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.06);
}

.page-contact .media-caption {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mint);
  border-top: 1px solid var(--line);
}

/* ---------- 联系通道 ---------- */

.page-contact .contact-lines__grid {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-contact .contact-lines__col {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  align-content: start;
}

.page-contact .contact-line {
  padding: var(--contact-pad);
}

.page-contact .contact-line__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .contact-line__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  color: var(--lime);
  border: 1px solid var(--line);
  background: rgba(200, 255, 61, 0.06);
}

.page-contact .contact-line__value {
  font-family: var(--font-mono);
  font-size: clamp(1.85rem, 7vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.06;
  margin: 0 0 10px;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .contact-line__value--mail {
  font-size: clamp(1rem, 4vw, 1.45rem);
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-contact .contact-line__note {
  margin: 0 0 18px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mint);
}

.page-contact .contact-line--mail .contact-line__note {
  color: var(--mint);
}

/* ---------- 服务时间 ---------- */

.page-contact .contact-hours {
  padding: var(--contact-pad);
  border-top: 3px solid var(--amber);
}

.page-contact .contact-hours__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.6vw, 1.75rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  margin: 0 0 6px;
  color: var(--ice);
}

.page-contact .contact-hours__value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5.4vw, 2.3rem);
  letter-spacing: 0.06em;
  color: var(--amber);
  margin: 0 0 10px;
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-hours__note {
  margin: 0 0 18px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--mint);
}

.page-contact .hours-track {
  position: relative;
  height: 14px;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px calc(100% / 24));
  background-color: var(--ink-900);
  overflow: hidden;
}

.page-contact .hours-track__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--lime-dim), var(--lime));
}

.page-contact .hours-track__mark {
  position: absolute;
  top: -2px;
  bottom: -2px;
  left: 37.5%;
  width: 2px;
  background: var(--amber);
}

.page-contact .hours-labels {
  display: flex;
  justify-content: space-between;
  margin: 6px 0 22px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-contact .contact-hours__sub {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ice);
  margin: 0 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hours__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-hours__list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-contact .contact-hours__list .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--lime);
  border: 1px solid var(--line);
  padding: 2px 6px;
  flex: 0 0 auto;
  margin-top: 2px;
}

.page-contact .contact-hours__list strong {
  display: block;
  font-size: 0.92rem;
  color: var(--ice);
  margin-bottom: 3px;
}

.page-contact .contact-hours__list p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--mint);
}

/* ---------- 邮件格式 ---------- */

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

.page-contact .contact-mail__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-contact .contact-mail__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.6vw, 2.4rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.15;
  margin: 0 0 14px;
  color: var(--ice);
}

.page-contact .contact-mail__copy > p {
  color: var(--mint);
  line-height: 1.75;
  margin: 0 0 16px;
}

.page-contact .contact-checklist {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mint);
}

.page-contact .contact-checklist__key {
  flex: 0 0 3.6em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  padding-top: 3px;
}

.page-contact .contact-mail__aside {
  font-size: 0.88rem;
  color: var(--mint);
}

.page-contact .contact-mail__aside a,
.page-contact .contact-mail__peek a,
.page-contact .contact-prep__faq a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-mail__panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .mail-template {
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-contact .mail-template summary {
  cursor: pointer;
  padding: 14px var(--contact-pad);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--lime);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .mail-template summary::-webkit-details-marker {
  display: none;
}

.page-contact .mail-template summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  font-size: 1rem;
  color: var(--amber);
}

.page-contact .mail-template[open] summary::before {
  content: "–";
}

.page-contact .mail-template__body {
  padding: 4px var(--contact-pad) var(--contact-pad);
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mint);
}

.page-contact .mail-template__line {
  margin: 12px 0 0;
  overflow-wrap: anywhere;
}

.page-contact .mail-template__label {
  display: inline-block;
  min-width: 4.2em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-contact .mail-template__block-title {
  margin: 16px 0 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-contact .mail-template__body ul {
  margin: 0;
  padding-left: 18px;
}

.page-contact .mail-template__body li {
  margin-bottom: 4px;
}

.page-contact .mail-template__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.82rem;
  color: var(--mint);
}

.page-contact .contact-mail__peek {
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  padding: var(--contact-pad);
}

.page-contact .contact-mail__peek p:last-child {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mint);
}

/* ---------- CN 服务中心 ---------- */

.page-contact .contact-hub {
  border-top: 1px solid var(--line);
  background: var(--ink-800);
}

.page-contact .contact-hub__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}

.page-contact .contact-hub__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-contact .contact-hub__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.7);
}

.page-contact .contact-hub__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--ice);
}

.page-contact .contact-hub__copy p {
  color: var(--mint);
  line-height: 1.75;
  margin: 0 0 14px;
}

.page-contact .contact-hub__meta {
  margin: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hub__meta > div {
  display: grid;
  grid-template-columns: 5.4em minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hub__meta dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--lime);
  padding-top: 3px;
}

.page-contact .contact-hub__meta dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ice);
  overflow-wrap: anywhere;
}

/* ---------- 联系前准备 ---------- */

.page-contact .contact-prep__grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .contact-prep h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ice);
  margin: 0 0 14px;
}

.page-contact .contact-prep__list {
  padding: var(--contact-pad);
}

.page-contact .contact-prep__list ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-prep__list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-prep__list .num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  flex: 0 0 auto;
  padding-top: 3px;
}

.page-contact .contact-prep__list p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--mint);
}

.page-contact .contact-prep__list strong {
  color: var(--ice);
  font-weight: 600;
}

.page-contact .contact-prep__faq details {
  border-top: 1px solid var(--line);
  padding: 0;
}

.page-contact .contact-prep__faq details:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-prep__faq summary {
  cursor: pointer;
  padding: 14px 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ice);
  list-style: none;
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.page-contact .contact-prep__faq summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-prep__faq summary::before {
  content: "▸";
  color: var(--lime);
  font-size: 0.78rem;
  transition: transform 180ms ease;
}

.page-contact .contact-prep__faq details[open] summary::before {
  transform: rotate(90deg);
}

.page-contact .contact-prep__faq details p {
  margin: 0 0 14px;
  padding-left: 20px;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--mint);
}

/* ---------- 下一步 ---------- */

.page-contact .contact-next {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(200, 255, 61, 0.06), transparent 55%),
    var(--ink-700);
}

.page-contact .contact-next__inner {
  position: relative;
  display: grid;
  gap: 18px;
}

.page-contact .contact-next__inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  margin: 0 0 10px;
  color: var(--ice);
}

.page-contact .contact-next__inner p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mint);
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-next__top {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
}

.page-contact .contact-next__top:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 焦点可见性 ---------- */

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .contact-hero__facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-lines__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-hub__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-contact .contact-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }

  .page-contact .contact-next__top {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1160px) {
  .page-contact .contact-hero__copy h1 {
    margin-bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-prep__faq summary::before {
    transition: none;
  }
}
<<<END>>>