.page-contact {
  --contact-space: clamp(4.5rem, 10vw, 7.5rem);
  --contact-card-radius: 20px;
  overflow-x: clip;
}

/* ===================== Hero 首屏 ===================== */
.contact-hero {
  position: relative;
  padding: 6.5rem 1.25rem 4rem;
  overflow: hidden;
  background-color: var(--clr-blue);
}

.contact-hero__media {
  position: absolute;
  inset: 0;
}

.contact-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0.36;
}

.contact-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(10, 30, 60, 0.94) 8%, rgba(10, 30, 60, 0.58) 58%, rgba(10, 30, 60, 0.28) 100%);
}

.contact-hero__content {
  position: relative;
  z-index: 2;
}

.contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: center;
}

.contact-hero__main {
  min-width: 0;
}

.contact-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.25rem;
  font-family: var(--font-index);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: rgba(245, 241, 232, 0.55);
}

.contact-hero .breadcrumb a {
  color: rgba(245, 241, 232, 0.85);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-hero .breadcrumb a:hover {
  color: var(--clr-yellow);
}

.contact-hero .breadcrumb__sep {
  color: var(--clr-amber);
}

.contact-hero__label {
  color: var(--clr-yellow);
  margin-bottom: 0.85rem;
}

.contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.7rem);
  line-height: 1.08;
  color: var(--clr-cream);
  margin: 0 0 1.25rem;
}

.contact-hero__title-accent {
  color: var(--clr-yellow);
}

.contact-hero__lead {
  max-width: 42rem;
  margin: 0 0 1.75rem;
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.84);
}

.contact-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.contact-hero__chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--clr-cream);
  background: rgba(245, 241, 232, 0.12);
  border: 1px solid rgba(245, 241, 232, 0.26);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  text-decoration: none;
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

a.contact-hero__chip:hover {
  background: var(--clr-yellow);
  border-color: var(--clr-yellow);
  color: var(--clr-blue);
  transform: translateY(-2px);
}

.contact-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.contact-envelope {
  width: 100%;
  max-width: 340px;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(10, 30, 60, 0.35));
}

@media (min-width: 860px) {
  .contact-hero {
    padding: 8rem 1.25rem 5.5rem;
  }

  .contact-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 4rem;
  }

  .contact-envelope {
    max-width: 430px;
  }
}

/* ===================== 联系渠道 ===================== */
.contact-channels {
  padding-top: var(--contact-space);
  padding-bottom: var(--contact-space);
}

.contact-channels .section-head {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.contact-channels .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.2;
  color: var(--clr-blue);
  margin: 0.25rem 0 0.75rem;
}

.contact-channels .section-head > p:not(.index-label) {
  margin: 0;
  color: var(--clr-stone);
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-cards__guide {
  display: none;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.contact-card {
  position: relative;
  background-color: var(--clr-cream);
  border-radius: var(--contact-card-radius);
  padding: 2rem 1.6rem 1.75rem;
  box-shadow: 0 10px 32px rgba(10, 30, 60, 0.09);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.contact-card.contact-card:hover {
  transform: translateY(-6px) rotate(0deg);
  box-shadow: var(--shadow-2);
}

.contact-card__bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  border-radius: var(--contact-card-radius) var(--contact-card-radius) 0 0;
}

.contact-card--general .contact-card__bar { background: var(--clr-yellow); }
.contact-card--support .contact-card__bar { background: var(--clr-moss); }
.contact-card--phone .contact-card__bar { background: var(--clr-terra); }
.contact-card--address .contact-card__bar { background: var(--clr-blue); }

.contact-card__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--clr-stone);
  margin: 0 0 0.6rem;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--clr-blue);
  margin: 0 0 0.45rem;
}

.contact-card__desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--clr-stone);
  margin: 0 0 1.2rem;
}

.contact-card__value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--clr-blue);
  background: rgba(10, 30, 60, 0.06);
  border: 1px solid rgba(10, 30, 60, 0.06);
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  text-decoration: none;
  word-break: break-all;
  margin-bottom: 0.4rem;
  transition: background 0.22s ease, color 0.22s ease, box-shadow 0.22s ease;
}

a.contact-card__value:hover {
  background: var(--clr-blue);
  color: var(--clr-yellow);
  box-shadow: 0 4px 16px rgba(10, 30, 60, 0.28);
}

.contact-card__value--block {
  display: block;
  font-size: 1rem;
  line-height: 1.55;
  padding: 0.7rem 1rem;
}

.contact-card__meta {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--clr-stone);
  margin: 0.5rem 0 0;
}

.contact-card__plane {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 50%;
  opacity: 0.2;
  pointer-events: none;
}

.contact-card--address {
  background-image:
    linear-gradient(rgba(10, 30, 60, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 30, 60, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  background-color: var(--clr-cream);
}

.contact-card__phone-icon {
  display: none;
}

@media (min-width: 768px) {
  .contact-cards__guide {
    display: block;
    height: 32px;
    margin: -0.5rem 0 1.25rem;
    opacity: 0.6;
  }

  .contact-cards__guide svg {
    width: 100%;
    height: 100%;
    overflow: visible;
  }

  .contact-cards {
    grid-template-columns: repeat(12, 1fr);
    column-gap: 1.75rem;
    row-gap: 2.5rem;
  }

  .contact-card--general {
    grid-column: 1 / 8;
    padding-right: 3rem;
    margin-top: 1.5rem;
    transform: rotate(-0.4deg);
  }

  .contact-card--support {
    grid-column: 8 / 13;
    padding-right: 7rem;
    margin-top: 4.5rem;
    transform: rotate(0.7deg);
  }

  .contact-card--phone {
    grid-column: 2 / 7;
    margin-top: -1.25rem;
    transform: rotate(-0.25deg);
  }

  .contact-card--address {
    grid-column: 7 / 13;
    margin-top: -3rem;
    transform: rotate(0.35deg);
  }

  .contact-card--support .contact-card__plane {
    top: 1.25rem;
    right: 1.25rem;
    bottom: auto;
    width: 110px;
    height: 110px;
    border-radius: 0 16px 0 55%;
    opacity: 0.3;
  }

  .contact-card__phone-icon {
    display: block;
    position: absolute;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 36px;
    height: 36px;
    fill: var(--clr-terra);
    opacity: 0.25;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .contact-card--phone:hover .contact-card__phone-icon {
    opacity: 1;
    animation: contact-phone-shake 0.55s ease-in-out infinite alternate;
  }
}

/* ===================== 响应体验 ===================== */
.contact-response {
  position: relative;
  padding: var(--contact-space) 0;
  background-color: var(--clr-blue);
  color: var(--clr-cream);
  overflow: hidden;
}

.contact-response::before,
.contact-response::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.contact-response::before {
  width: 300px;
  height: 300px;
  top: -120px;
  right: -80px;
  border: 2px solid rgba(255, 195, 0, 0.18);
}

.contact-response::after {
  width: 380px;
  height: 380px;
  bottom: -180px;
  left: -120px;
  border: 2px solid rgba(187, 222, 251, 0.1);
}

.contact-response__inner {
  position: relative;
  z-index: 2;
}

.contact-response__label {
  color: var(--clr-yellow);
  margin-bottom: 1rem;
}

.contact-response h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  line-height: 1.15;
  color: var(--clr-cream);
  margin: 0 0 2rem;
  max-width: 32rem;
}

.contact-response__quote {
  position: relative;
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem 1.25rem 1.75rem;
  background: rgba(255, 195, 0, 0.1);
  border-left: 5px solid var(--clr-yellow);
  border-radius: 0 14px 14px 0;
}

.contact-response__quote::after {
  content: "↩";
  position: absolute;
  bottom: 0.65rem;
  right: 1.25rem;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--clr-yellow);
  opacity: 0.35;
  transform: rotate(-18deg);
}

.contact-response__quote p {
  margin: 0;
  padding-right: 2.5rem;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.7;
  color: var(--clr-cream);
  font-weight: 400;
}

.contact-response__quote a {
  color: var(--clr-yellow);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 195, 0, 0.6);
}

.contact-response__detail {
  max-width: 46rem;
  margin: 0 0 3rem;
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.74);
}

.contact-response__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.contact-response__stat {
  padding: 1.75rem 1.25rem 1.5rem;
  text-align: center;
  background: rgba(245, 241, 232, 0.05);
  border: 1px solid rgba(245, 241, 232, 0.09);
  border-radius: 14px;
  transition: background 0.25s ease, transform 0.25s ease;
}

.contact-response__stat:hover {
  background: rgba(255, 195, 0, 0.08);
  transform: translateY(-4px);
}

.contact-response__stat .stat--large {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 2.7rem;
  font-weight: 500;
  line-height: 1.1;
  color: var(--clr-yellow);
}

.contact-response__stat .stat__unit {
  font-size: 0.55em;
  color: var(--clr-amber);
  margin-left: 2px;
}

.contact-response__stat-label {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 232, 0.6);
}

@media (min-width: 640px) {
  .contact-response__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

/* ===================== 合作与业务联系 ===================== */
.contact-cooperation {
  padding-top: var(--contact-space);
  padding-bottom: var(--contact-space);
}

.contact-cooperation .grid--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: flex-start;
}

.contact-cooperation__main {
  min-width: 0;
}

.contact-cooperation__main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.2;
  color: var(--clr-blue);
  margin: 0 0 1.25rem;
}

.contact-cooperation__main p {
  margin: 0 0 1.1rem;
  line-height: 1.75;
  color: var(--clr-ink);
  opacity: 0.85;
}

.contact-cooperation__main a {
  color: var(--clr-blue);
  font-family: var(--font-mono);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid var(--clr-yellow);
  word-break: break-all;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.contact-cooperation__main a:hover {
  color: var(--clr-terra);
  border-color: var(--clr-terra);
}

.contact-cooperation__aside-card {
  background: var(--clr-cream);
  border-radius: var(--contact-card-radius);
  padding: 2rem 1.75rem 1.5rem;
  box-shadow: var(--shadow-1);
  border-top: 4px solid var(--clr-amber);
  transform: rotate(0.6deg);
}

.contact-cooperation__links {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.contact-cooperation__links li + li {
  border-top: 1px solid rgba(10, 30, 60, 0.08);
}

.contact-cooperation__links a {
  display: block;
  padding: 0.9rem 0.25rem;
  text-decoration: none;
  color: var(--clr-blue);
  font-weight: 600;
  font-size: 0.94rem;
  line-height: 1.5;
  transition: color 0.2s ease, padding-left 0.25s ease;
}

.contact-cooperation__links a:hover {
  color: var(--clr-terra);
  padding-left: 0.6rem;
}

@media (min-width: 860px) {
  .contact-cooperation .grid--split {
    grid-template-columns: 1.3fr 0.7fr;
    gap: 4rem;
  }
}

/* ===================== 微动效 ===================== */
@keyframes contact-phone-shake {
  0% { transform: scale(1.1) rotate(-8deg); }
  100% { transform: scale(1.15) rotate(6deg); }
}