.page-contact {
  --contact-accent: var(--color-sun-500);
  --contact-accent-soft: var(--color-sun-100);
  --contact-deep: var(--color-glacier-900);
  --contact-cyan: var(--color-glacier-600);
  --contact-mist: var(--color-ice-200);
  --contact-bg: var(--color-ice-50);
  --contact-card: var(--color-white);
  --contact-line: var(--color-line-300);
  --contact-ink: var(--color-ink-900);
  --contact-ink-soft: var(--color-ink-600);
  background-color: var(--contact-bg);
  color: var(--contact-ink);
  font-family: var(--font-body);
  font-weight: var(--font-weight-body);
  line-height: var(--line-height);
  letter-spacing: var(--letter-spacing);
  overflow-x: clip;
}

.contact-intro,
.contact-access,
.contact-commit,
.contact-company,
.contact-region {
  padding: 3.5rem 0;
}

@media (min-width: 48rem) {
  .contact-intro,
  .contact-access,
  .contact-commit,
  .contact-company,
  .contact-region {
    padding: 6rem 0;
  }
}

/* ===== 页首声明 ===== */
.contact-intro {
  padding-bottom: 2.5rem;
}

.contact-intro__layout {
  display: grid;
  gap: 2rem;
  align-items: end;
  padding-top: 3rem;
}

.contact-intro__index {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: clamp(4rem, 10vw, 7rem);
  line-height: 0.85;
  color: var(--contact-mist);
  -webkit-text-stroke: 1px var(--color-glacier-600);
}

.contact-intro__index sub {
  font-size: 0.3em;
  -webkit-text-stroke: 0;
  color: var(--contact-ink-soft);
}

.contact-intro__kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--contact-ink-soft);
}

.contact-intro__line {
  display: inline-block;
  width: 4.5rem;
  height: 2px;
  background: var(--contact-accent);
}

.contact-intro__title {
  margin: 1.25rem 0 1rem;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.06;
  color: var(--contact-ink);
  letter-spacing: -0.02em;
  max-width: 14em;
}

.contact-intro__desc {
  margin: 0;
  max-width: 34em;
  font-size: 1.0625rem;
  color: var(--contact-ink-soft);
}

.contact-intro__side {
  display: none;
}

@media (min-width: 62rem) {
  .contact-intro__layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: center;
  }

  .contact-intro__side {
    display: block;
    position: relative;
    height: 260px;
    border-left: 1px solid var(--contact-line);
    margin-bottom: 1.5rem;
  }

  .contact-intro__curve {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 100%;
    height: auto;
  }
}

/* ===== 支持邮箱与在线反馈 ===== */
.contact-access {
  background: var(--contact-card);
  border-block: 1px solid var(--contact-line);
  padding-top: 3rem;
}

.contact-access__grid {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 62rem) {
  .contact-access__grid {
    grid-template-columns: minmax(0, 5.5fr) minmax(0, 4.5fr);
    gap: 3rem;
  }
}

.contact-access__mail {
  position: relative;
  background: var(--contact-bg);
  border: 1px solid var(--contact-line);
  padding: 2.5rem 1.75rem;
}

@media (min-width: 48rem) {
  .contact-access__mail {
    padding: 3rem 2.5rem;
  }
}

.contact-access__num,
.contact-company__num,
.contact-commit__num,
.contact-region__num {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 0.875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--contact-accent);
}

.contact-access__title,
.contact-company__title,
.contact-commit__title,
.contact-region__title {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--fs-h3);
  line-height: 1.2;
  color: var(--contact-ink);
}

.contact-access__lead {
  margin: 0;
  color: var(--contact-ink-soft);
  max-width: 34em;
}

.contact-mailbox {
  position: relative;
  display: grid;
  gap: 0.35rem;
  margin: 2rem 0 1.25rem;
  padding: 1.5rem 1.25rem;
  background: var(--contact-card);
  border: 1px solid var(--contact-line);
  border-left: 6px solid var(--contact-accent);
}

.contact-mailbox__label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--contact-ink-soft);
}

.contact-mailbox__address {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.75rem);
  line-height: 1.15;
  color: var(--contact-ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.contact-mailbox__corner {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 14px;
  height: 14px;
  border-top: 3px solid var(--contact-accent);
  border-right: 3px solid var(--contact-accent);
}

.contact-copy {
  margin: 0 0 2rem;
  border: 1px solid var(--contact-line);
  background: var(--contact-card);
}

.contact-copy__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--contact-cyan);
  transition: background-color 160ms ease, color 160ms ease;
}

.contact-copy__summary::-webkit-details-marker {
  display: none;
}

.contact-copy__summary::after {
  content: "+";
  font-size: 1.25rem;
  line-height: 1;
  color: var(--contact-accent);
  transition: transform 160ms ease;
}

.contact-copy[open] .contact-copy__summary::after {
  transform: rotate(45deg);
}

.contact-copy__summary:hover,
.contact-copy__summary:focus-visible {
  background: var(--contact-mist);
  color: var(--contact-ink);
}

.contact-copy__tip {
  margin: 0;
  padding: 0 1.25rem 1rem;
  color: var(--contact-ink-soft);
  font-size: 0.9375rem;
}

.contact-access__tags,
.contact-company__tags {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.contact-access__tags .tag,
.contact-company__tags .tag {
  border-radius: 0;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  background: var(--contact-card);
  border: 1px solid var(--contact-line);
  color: var(--contact-ink-soft);
}

.contact-access__figure {
  margin: 0;
  border: 1px solid var(--contact-line);
  background: var(--contact-mist);
}

.contact-access__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.contact-access__figcap {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--contact-ink-soft);
}

.contact-access__feedback {
  position: relative;
  background: var(--contact-mist);
  border: 1px solid var(--contact-line);
  padding: 2.5rem 1.75rem;
}

@media (min-width: 48rem) {
  .contact-access__feedback {
    padding: 3rem 2.5rem;
  }
}

.contact-access__feedback .contact-access__lead {
  border-left: 3px solid var(--contact-accent);
  padding-left: 1rem;
}

.contact-feedback__wrap {
  margin-top: 2rem;
}

.contact-feedback {
  margin: 0 0 1.5rem;
}

.contact-feedback__item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--contact-line);
}

.contact-feedback__item:first-child {
  border-top: 1px solid var(--contact-line);
}

.contact-feedback__term {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--contact-ink);
}

.contact-feedback__desc {
  margin: 0.25rem 0 0;
  color: var(--contact-ink-soft);
  line-height: 1.6;
}

.contact-formsim {
  display: grid;
  gap: 0.75rem;
  background: var(--contact-card);
  border: 1px solid var(--contact-line);
  padding: 1.25rem;
}

.contact-formsim__row {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.875rem;
}

.contact-formsim__label {
  font-weight: 700;
  color: var(--contact-ink-soft);
}

.contact-formsim__control,
.contact-formsim__area {
  display: block;
  min-height: 2.25rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--contact-line);
  background: var(--contact-bg);
  color: var(--contact-ink);
}

.contact-formsim__area {
  min-height: 3.5rem;
}

.contact-formsim__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  margin-top: 0.5rem;
  background: var(--contact-cyan);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
}

.contact-access__note {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--contact-ink-soft);
}

.contact-access__note a {
  color: var(--contact-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-access__note a:hover {
  color: var(--contact-ink);
}

/* ===== 响应承诺 ===== */
.contact-commit {
  background: var(--contact-deep);
  color: var(--color-ice-50);
}

.contact-commit__head {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 48rem) {
  .contact-commit__head {
    grid-template-columns: 120px 1fr;
    align-items: end;
  }
}

.contact-commit__num {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  color: var(--contact-accent);
}

.contact-commit__title {
  color: var(--color-ice-50);
  margin: 0 0 0.5rem;
}

.contact-commit__desc {
  margin: 0;
  color: rgba(230, 245, 248, 0.78);
}

.contact-commit__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 40rem) {
  .contact-commit__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .contact-commit__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.contact-stat {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(230, 245, 248, 0.22);
  padding: 2rem 1.5rem;
  transition: transform 200ms ease, border-color 200ms ease;
}

.contact-stat:hover {
  transform: translateY(-4px);
  border-color: var(--contact-accent);
}

.contact-stat__index {
  margin: 0 0 1.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--contact-accent);
}

.contact-stat__value {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1;
  color: var(--color-ice-50);
}

.contact-stat__name {
  margin: 0 0 0.5rem;
  font-weight: 700;
  color: var(--color-ice-50);
}

.contact-stat__text {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(230, 245, 248, 0.78);
}

/* ===== 公司信息 ===== */
.contact-company {
  background: var(--contact-card);
}

.contact-company__grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 62rem) {
  .contact-company__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: 4rem;
  }
}

.contact-company__info {
  border-top: 3px solid var(--contact-accent);
}

.contact-company__num {
  margin-top: 1.5rem;
}

.contact-company__title {
  margin-bottom: 1.5rem;
}

.contact-company__list {
  margin: 0 0 1.5rem;
  border-top: 1px solid var(--contact-line);
}

.contact-company__row {
  display: grid;
  gap: 0.25rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--contact-line);
}

@media (min-width: 40rem) {
  .contact-company__row {
    grid-template-columns: 6rem 1fr;
    gap: 1rem;
    align-items: baseline;
  }
}

.contact-company__term {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--contact-ink-soft);
}

.contact-company__detail {
  margin: 0;
  color: var(--contact-ink);
  overflow-wrap: anywhere;
}

.contact-company__note {
  margin: 0 0 1.75rem;
  max-width: 30em;
  font-size: 0.9375rem;
  color: var(--contact-ink-soft);
}

.contact-company__service {
  background: var(--contact-bg);
  border: 1px solid var(--contact-line);
  padding: 2rem 1.75rem;
}

@media (min-width: 48rem) {
  .contact-company__service {
    padding: 3rem 2.5rem;
  }
}

.contact-company__subindex {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--contact-accent);
}

.contact-company__subtitle {
  margin: 0 0 1.25rem;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--fs-h3);
  line-height: 1.25;
}

.contact-company__para {
  margin: 0 0 1.25rem;
  color: var(--contact-ink-soft);
}

.contact-company__tags {
  margin-bottom: 1.5rem;
}

.contact-company__tags .tag--hot {
  background: var(--contact-accent);
  border-color: var(--contact-accent);
  color: var(--color-white);
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0;
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-contact .btn--secondary {
  background: transparent;
  border: 1px solid var(--contact-cyan);
  color: var(--contact-cyan);
}

.page-contact .btn--secondary:hover {
  background: var(--contact-cyan);
  color: var(--color-white);
}

/* ===== 服务区位与备案 ===== */
.contact-region {
  background: var(--contact-mist);
  border-top: 1px solid var(--contact-line);
}

.contact-region__head {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 48rem) {
  .contact-region__head {
    grid-template-columns: 120px 1fr;
    align-items: end;
  }
}

.contact-region__num {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  color: var(--contact-cyan);
}

.contact-region__title {
  margin-bottom: 0.5rem;
}

.contact-region__desc {
  margin: 0;
  color: var(--contact-ink-soft);
}

.contact-region__canvas {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--contact-line);
  background: var(--contact-card);
}

.contact-region__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.contact-region__pin {
  position: absolute;
  top: 22%;
  right: 14%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem;
  background: none;
  border: 0;
  font: inherit;
  color: var(--contact-accent);
  cursor: pointer;
  transition: transform 200ms ease;
}

.contact-region__pin:hover,
.contact-region__pin:focus-visible {
  transform: scale(1.15);
}

.contact-region__dot {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--contact-accent);
  border: 3px solid var(--contact-card);
  box-shadow: 0 0 0 1px var(--contact-accent), 0 6px 14px rgba(14, 46, 56, 0.3);
  transition: box-shadow 200ms ease;
}

.contact-region__pin:hover .contact-region__dot,
.contact-region__pin:focus-visible .contact-region__dot {
  box-shadow: 0 0 0 9px rgba(242, 118, 58, 0.25), 0 6px 14px rgba(14, 46, 56, 0.3);
}

.contact-region__pinlabel {
  background: var(--contact-deep);
  color: var(--color-ice-50);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  box-shadow: 0 4px 10px rgba(14, 46, 56, 0.2);
}

.contact-region__bottom {
  display: grid;
  gap: 0.25rem;
  margin-top: 1.25rem;
  padding: 1.5rem 1.25rem;
  background: var(--contact-deep);
  color: var(--color-ice-50);
  font-size: 0.9375rem;
}

@media (min-width: 48rem) {
  .contact-region__bottom {
    grid-template-columns: auto auto 1fr;
    gap: 2rem;
    align-items: center;
    padding: 1.5rem 2rem;
  }
}

.contact-region__icp {
  margin: 0;
  font-weight: 700;
}

.contact-region__addr {
  margin: 0;
  opacity: 0.85;
}

.contact-region__trust {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.75;
}