.page-contact {
  --pc-gap: clamp(1.25rem, 2.6vw, 2rem);
  --pc-pad: clamp(3.5rem, 7vw, 6.5rem);
  background: var(--ink-900);
  color: var(--text);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(1.5rem, 4vw, 2.75rem);
  padding-bottom: var(--pc-pad);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(18, 70, 62, 0.9) 0%, rgba(16, 32, 26, 0.5) 38%, rgba(10, 14, 12, 0) 68%),
    radial-gradient(70% 60% at 6% 100%, rgba(63, 224, 200, 0.08) 0%, rgba(10, 14, 12, 0) 70%),
    var(--ink-900);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.75rem);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.25rem);
}

@media (min-width: 1024px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

.page-contact .contact-hero h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 5.4vw, 4rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin-top: 1.15rem;
  max-width: 46ch;
  color: var(--text);
}

/* 等宽信息卡 */
.page-contact .contact-card {
  margin-top: clamp(1.75rem, 3.2vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 32, 26, 0.92) 0%, rgba(10, 14, 12, 0.78) 100%);
  box-shadow: 0 22px 46px -34px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(63, 224, 200, 0.05) inset;
  overflow: hidden;
}

.page-contact .contact-card__row {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  padding: 0.95rem clamp(0.9rem, 2vw, 1.35rem);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-card__row:first-child {
  border-top: 0;
}

.page-contact .contact-card__row--accent .contact-card__value {
  color: var(--cyan);
}

.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(0.875rem, 1.3vw, 0.9875rem);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* 首屏视觉 */
.page-contact .contact-hero__visual {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: 0 34px 64px -44px rgba(0, 0, 0, 0.98);
  overflow: hidden;
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.06) brightness(0.78);
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(180deg, rgba(63, 224, 200, 0.07) 0 1px, rgba(10, 14, 12, 0) 1px 5px);
  pointer-events: none;
}

/* ============ 资料申请 ============ */
.page-contact .contact-apply__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: clamp(2rem, 4vw, 3rem);
}

@media (min-width: 640px) {
  .page-contact .contact-apply__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-apply__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .contact-req {
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-req__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .contact-req__title {
  margin: 0.55rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.9vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .contact-req__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 申请模板 */
.page-contact .contact-template {
  margin-top: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 32, 26, 0.62);
}

.page-contact .contact-template .fold__summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .contact-template__text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.95;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* ============ 电话沟通 ============ */
.page-contact .contact-phone__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 3.5vw, 3rem);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(18, 70, 62, 0.55) 0%, rgba(10, 14, 12, 0.92) 58%);
}

@media (min-width: 900px) {
  .page-contact .contact-phone__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

.page-contact .contact-phone__number {
  margin: 0.9rem 0 0.7rem;
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4.4vw, 2.9rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-shadow: 0 0 26px rgba(63, 224, 200, 0.32);
}

.page-contact .contact-phone__hours {
  margin: 0;
  max-width: 44ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-phone__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-contact .contact-phone__list li {
  position: relative;
  padding: 0.85rem 0 0 1.4rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .contact-phone__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.62rem;
  width: 0.7rem;
  height: 1px;
  background: var(--cyan);
}

/* ============ 通信地址 ============ */
.page-contact .contact-address__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.35rem, 4vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  isolation: isolate;
}

.page-contact .contact-address__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(0.32) brightness(0.7) contrast(1.06);
  pointer-events: none;
}

.page-contact .contact-address__content {
  position: relative;
  z-index: 1;
  max-width: 62ch;
}

.page-contact .contact-address__block {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(10, 14, 12, 0.72);
  font-style: normal;
}

.page-contact .contact-address__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .contact-address__value {
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ============ 数据对接与合作 ============ */
.page-contact .contact-coop__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(2rem, 4vw, 3rem);
}

.page-contact .contact-coop__item {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
}

@media (min-width: 1024px) {
  .page-contact .contact-coop__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .page-contact .contact-coop__item {
    padding: 1.35rem 0 0;
  }
}

.page-contact .contact-coop__item h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.9vw, 1.4rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-contact .contact-coop__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .contact-coop__item .contact-coop__meta {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ============ 四步流程 ============ */
.page-contact .contact-steps {
  list-style: none;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

@media (min-width: 760px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1140px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .contact-step:nth-child(2) {
    margin-top: 2.5rem;
  }

  .page-contact .contact-step:nth-child(3) {
    margin-top: 1.25rem;
  }

  .page-contact .contact-step:nth-child(4) {
    margin-top: 3.75rem;
  }
}

.page-contact .contact-step {
  padding: 1.25rem 1.15rem 1.35rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 32, 26, 0.74) 0%, rgba(10, 14, 12, 0.5) 100%);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .contact-step:hover,
.page-contact .contact-step:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(63, 224, 200, 0.16), 0 22px 42px -34px rgba(63, 224, 200, 0.65);
}

.page-contact .contact-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-contact .contact-step__title {
  margin: 0.75rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .contact-step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .contact-step__need {
  margin: 0.9rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ============ 响应与跟进 ============ */
.page-contact .contact-response__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
}

@media (min-width: 960px) {
  .page-contact .contact-response__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.page-contact .contact-response__copy .prose + .prose {
  margin-top: 1rem;
}

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

.page-contact .contact-response__fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 520px) {
  .page-contact .contact-response__fact {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

.page-contact .contact-response__fact dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .contact-response__fact dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
}

/* ============ 页尾小字 ============ */
.page-contact .contact-footnote-wrap {
  padding: 0 0 clamp(2.5rem, 5vw, 4rem);
}

.page-contact .contact-footnote {
  margin: 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--muted);
  overflow-wrap: anywhere;
}

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

  .page-contact .contact-step:hover,
  .page-contact .contact-step:focus-within {
    transform: none;
  }
}