.page-contact {
  background: var(--paper);
  color: var(--graphite);
}

.page-contact .section {
  padding-top: clamp(36px, 5vw, 72px);
  padding-bottom: clamp(36px, 5vw, 72px);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}

.page-contact .contact-crumb-link {
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-crumb-link:hover,
.page-contact .contact-crumb-link:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
  outline: none;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .contact-eyebrow {
  color: var(--print);
  margin: 0 0 10px;
}

.page-contact .contact-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  color: var(--ink);
  max-width: 15ch;
}

.page-contact .contact-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 52ch;
}

.page-contact .contact-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(10px, 2.5vw, 22px);
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 2px solid var(--graphite);
}

.page-contact .contact-hero__stats > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-hero__stats dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  text-transform: uppercase;
  line-height: 1.5;
}

.page-contact .contact-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 22px);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background: var(--ink-2);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .contact-hero__media .media-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--ink);
  color: var(--pulse);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-top: 2px solid var(--ink);
  border-right: 2px solid var(--ink);
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: repeat(12, 1fr);
    column-gap: 24px;
    row-gap: 0;
    align-items: start;
  }
  .page-contact .contact-hero__inner .contact-crumbs {
    grid-column: 1 / -1;
  }
  .page-contact .contact-hero__text {
    grid-column: 1 / 8;
    padding-top: 8px;
  }
  .page-contact .contact-hero__media {
    grid-column: 8 / 13;
    margin-top: 56px;
  }
}

/* ---------- 通用章节标题 ---------- */
.page-contact .contact-section-head {
  margin-bottom: clamp(22px, 3.5vw, 38px);
  max-width: 62ch;
}

.page-contact .contact-section-head .eyebrow {
  color: var(--print);
  margin: 0 0 8px;
}

.page-contact .contact-section-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-contact .contact-section-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 44ch;
}

/* ---------- 路由选择 ---------- */
.page-contact .contact-routes {
  background:
    linear-gradient(180deg, transparent 0, transparent 48px, rgba(35, 40, 51, 0.05) 48px, rgba(35, 40, 51, 0.05) 49px, transparent 49px),
    var(--paper);
}

.page-contact .contact-routes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .contact-route {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 22px 20px;
  background: var(--card);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  color: var(--graphite);
  text-decoration: none;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .contact-route:hover,
.page-contact .contact-route:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
  border-color: var(--pulse);
  outline: none;
}

.page-contact .contact-route[data-active] {
  border-color: var(--pulse);
  box-shadow: var(--shadow-hard-lg);
}

.page-contact .contact-route__lamp {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(61, 224, 207, 0.2);
}

.page-contact .contact-route--register .contact-route__lamp {
  background: var(--nebula);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.22);
}

.page-contact .contact-route--download .contact-route__lamp {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.26);
}

.page-contact .contact-route__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--print);
  font-weight: 700;
  margin-bottom: 4px;
}

.page-contact .contact-route__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--ink);
}

.page-contact .contact-route__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
  flex: 1;
}

.page-contact .contact-route__cta {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
  font-weight: 700;
}

@media (min-width: 760px) {
  .page-contact .contact-routes__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
}

/* ---------- 置顶解答 ---------- */
.page-contact .contact-faq {
  background: var(--card);
  border-top: 2px solid var(--graphite);
  border-bottom: 2px solid var(--graphite);
}

.page-contact .contact-faq__head {
  margin-bottom: clamp(20px, 3vw, 32px);
  max-width: 60ch;
}

.page-contact .contact-faq__head .eyebrow {
  color: var(--print);
  margin: 0 0 8px;
}

.page-contact .contact-faq__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-contact .contact-faq__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  max-width: 46ch;
}

.page-contact .contact-faq__item {
  border: 2px solid var(--graphite);
  background: var(--card);
  margin-bottom: 14px;
  box-shadow: var(--shadow-hard);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .contact-faq__item[open] {
  border-color: var(--pulse);
  box-shadow: var(--shadow-hard-lg);
}

.page-contact .contact-faq__item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
}

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

.page-contact .contact-faq__item summary::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
  transition: transform 180ms var(--ease);
}

.page-contact .contact-faq__item[open] summary::after {
  content: "−";
  color: var(--pulse);
}

.page-contact .contact-faq__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--print);
  font-weight: 700;
  flex-basis: 100%;
}

.page-contact .contact-faq__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.3;
}

.page-contact .contact-faq__body {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--mist);
  margin-top: 6px;
  padding-top: 14px;
}

.page-contact .contact-faq__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 58ch;
}

.page-contact .contact-faq__body p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-faq__more a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
}

.page-contact .contact-faq__more a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.page-contact .contact-faq__item--entry summary::after {
  color: var(--pulse);
}

.page-contact .contact-faq__item--register summary::after {
  color: var(--nebula);
}

.page-contact .contact-faq__item--download summary::after {
  color: var(--signal);
}

/* ---------- 表单整理区 ---------- */
.page-contact .contact-form__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-contact .contact-form__head .eyebrow {
  color: var(--print);
  margin: 0 0 8px;
}

.page-contact .contact-form__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-contact .contact-form__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  max-width: 48ch;
}

.page-contact .contact-form__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .contact-form__fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .contact-fieldset {
  display: block;
  margin: 0;
  padding: 16px 18px 18px;
  border: 2px solid var(--graphite);
  background: var(--card);
  box-shadow: var(--shadow-hard);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .contact-fieldset:focus-within {
  border-color: var(--pulse);
  box-shadow: 6px 6px 0 var(--ink);
}

.page-contact .contact-field__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--print);
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.page-contact .contact-fieldset__options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.page-contact .contact-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px dashed var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--graphite);
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .contact-check:hover {
  border-color: var(--graphite);
}

.page-contact .contact-check input {
  accent-color: var(--blue);
}

.page-contact .contact-check:has(input:checked) {
  border-style: solid;
  border-color: var(--blue);
  color: var(--ink);
  background: rgba(43, 91, 255, 0.07);
  font-weight: 700;
}

.page-contact .contact-input {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  padding: 4px 0;
  outline: none;
  resize: vertical;
  min-height: 30px;
}

.page-contact .contact-input::placeholder {
  color: rgba(35, 40, 51, 0.5);
}

.page-contact .contact-form__preview {
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 22px;
  box-shadow: var(--shadow-dark);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .contact-form__preview .eyebrow {
  color: var(--pulse);
  margin: 0;
}

.page-contact .contact-form__preview h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.15;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-contact .contact-check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .contact-check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--pulse);
  font-weight: 700;
}

.page-contact .contact-form__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
  border-top: 1px dashed var(--line-strong);
  padding-top: 12px;
}

.page-contact .contact-form__preview .btn {
  align-self: flex-start;
}

@media (min-width: 960px) {
  .page-contact .contact-form__layout {
    grid-template-columns: 7fr 5fr;
    column-gap: 36px;
    align-items: start;
  }
  .page-contact .contact-fieldset__options {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-contact .contact-form__preview {
    position: sticky;
    top: 120px;
  }
}

/* ---------- 响应时效 ---------- */
.page-contact .contact-response {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-response__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-contact .contact-response__head .eyebrow {
  color: var(--pulse);
  margin: 0 0 8px;
}

.page-contact .contact-response__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-contact .contact-response__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 52ch;
}

.page-contact .contact-response__metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 26px;
}

.page-contact .contact-response__metric {
  border: 2px solid var(--line-strong);
  background: var(--ink-2);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .contact-response__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 700;
  color: var(--pulse);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1;
}

.page-contact .contact-response__metric p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .contact-response__timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 2px solid var(--line-strong);
  height: 44px;
  margin: 0 0 10px;
  overflow: hidden;
}

.page-contact .contact-response__slot {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  border-right: 2px solid var(--ink);
  color: var(--ink);
}

.page-contact .contact-response__slot:last-child {
  border-right: 0;
}

.page-contact .contact-response__slot--off {
  background: var(--ink-3);
  color: var(--mist);
}

.page-contact .contact-response__slot--on {
  background: var(--pulse);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .contact-response__caption {
  margin: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
  line-height: 1.6;
}

.page-contact .contact-response__media {
  margin: 0;
  border: 2px solid var(--line-strong);
  background: var(--ink-2);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-response__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-response__media .media-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--ink);
  color: var(--pulse);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-top: 2px solid var(--pulse);
  border-right: 2px solid var(--pulse);
}

@media (min-width: 760px) {
  .page-contact .contact-response__metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-response__inner {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: 24px;
  }
  .page-contact .contact-response__head {
    grid-column: 1 / -1;
  }
  .page-contact .contact-response__metrics {
    grid-column: 1 / 8;
    margin-bottom: 20px;
  }
  .page-contact .contact-response__timeline-wrap {
    grid-column: 1 / 8;
  }
  .page-contact .contact-response__media {
    grid-column: 8 / 13;
    margin-top: 6px;
  }
}

/* ---------- 官方联系渠道 ---------- */
.page-contact .contact-channels {
  background: var(--paper);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-channel {
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 22px;
  box-shadow: var(--shadow-dark);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .contact-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pulse);
  text-transform: uppercase;
  font-weight: 700;
}

.page-contact .contact-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

a.contact-channel__value:hover,
a.contact-channel__value:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
  outline: none;
}

.page-contact .contact-channel__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
  border-top: 1px dashed var(--line-strong);
  padding-top: 10px;
}

.page-contact .contact-channel--phone .contact-channel__value {
  color: var(--signal);
  letter-spacing: 0.04em;
}

.page-contact .contact-channel--addr .contact-channel__value {
  color: var(--paper);
}

.page-contact .contact-channels__foot {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 62ch;
}

.page-contact .contact-channels__foot a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
  font-weight: 700;
}

.page-contact .contact-channels__foot a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

@media (min-width: 760px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-channel--addr {
    grid-column: 1 / -1;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: 1.3fr 1fr 1.1fr;
  }
  .page-contact .contact-channel--addr {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-route,
  .page-contact .contact-crumb-link,
  .page-contact .contact-fieldset,
  .page-contact .contact-faq__item,
  .page-contact .contact-faq__item summary::after,
  .page-contact .contact-channel__value {
    transition: none;
  }
  .page-contact .contact-route:hover,
  .page-contact .contact-route:focus-visible {
    transform: none;
  }
}
<<<END>>>