.page-contact {
  overflow-x: hidden;
  background:
    radial-gradient(1000px 500px at 90% 0%, rgba(183,255,0,.06), transparent 60%),
    radial-gradient(800px 600px at -10% 35%, rgba(0,229,255,.05), transparent 55%);
}

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

.contact-hero {
  position: relative;
  padding: 2rem 0 3rem;
}

.contact-hero__inner {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.contact-hero__title {
  margin: 1.25rem 0;
  font-family: var(--font-heading);
  font-size: var(--font-scale-hero);
  line-height: 1.06;
  color: var(--color-text);
}

.contact-hero__title span {
  color: var(--color-primary);
}

.contact-hero__desc {
  max-width: 42ch;
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.contact-hero__trust {
  margin-top: 1.75rem;
  padding-left: 1rem;
  border-left: 3px solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: .875rem;
  color: var(--color-text-secondary);
}

.contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-hero__visual {
  position: relative;
}

.contact-hero__image-wrap {
  position: relative;
  clip-path: polygon(0 0, 100% 4%, 96% 100%, 0 86%);
}

.contact-hero__image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(183,255,0,.16) 0%, transparent 45%, rgba(0,229,255,.12) 100%);
  pointer-events: none;
}

.contact-hero__img {
  display: block;
  width: 100%;
  height: auto;
}

.contact-hero__decor {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: .85;
  pointer-events: none;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-desc {
  max-width: 58ch;
  margin-top: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.channels-grid {
  display: grid;
  gap: 1.5rem;
}

.channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  transition: border-color var(--transition), transform var(--transition);
}

.channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 54px;
  height: 4px;
  background: var(--color-primary);
}

.channel-card--email::before {
  background: var(--color-accent);
}

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

.channel-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.channel-card__label {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.channel-card__value {
  margin-bottom: 1rem;
  font-size: clamp(1.25rem, 4vw, 2rem);
  color: var(--color-text);
  word-break: break-all;
}

.channel-card__meta {
  margin-bottom: auto;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.copy-btn {
  align-self: flex-start;
  margin-top: 1.5rem;
  padding: .55rem 1.1rem;
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: .8125rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.copy-btn:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.copy-btn--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.copy-btn--accent:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.contact-service {
  padding: 4rem 0;
  background: rgba(20,26,40,.45);
  border-top: 1px solid rgba(61,74,93,.4);
  border-bottom: 1px solid rgba(61,74,93,.4);
}

.contact-service__grid {
  display: grid;
  gap: 2rem;
  align-items: stretch;
}

.contact-service__stack {
  display: grid;
  gap: 1.5rem;
}

.service-card {
  position: relative;
  padding: 1.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.service-card--hours {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 130%);
}

.service-card__title {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-size: var(--font-scale-section);
  color: var(--color-text);
}

.service-card__numbers {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 1.75rem 0;
}

.service-card__number {
  font-family: var(--font-mono);
  font-size: clamp(2.25rem, 8vw, 3.75rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--color-text);
}

.service-card__number span {
  color: var(--color-accent);
}

.service-card__divider {
  flex: none;
  width: 1px;
  height: 3rem;
  background: var(--color-line);
}

.service-card__text {
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.service-card__note {
  margin-top: 1.25rem;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--color-line);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 1.5rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.service-card__link:hover {
  color: var(--color-primary);
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 1.25rem;
  background: rgba(183,255,0,.1);
  color: var(--color-primary);
}

.service-card__list {
  display: grid;
  gap: .8rem;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.service-card__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.service-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 9px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.service-card__email {
  margin-top: 1.5rem;
  font-size: var(--font-scale-data);
  color: var(--color-text);
  word-break: break-all;
}

.contact-snapshot {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 1.5rem 1.5rem;
  background: #0D1220;
  border: 1px dashed var(--color-line);
}

.contact-snapshot::before {
  content: "支持速览";
  position: absolute;
  top: -10px;
  left: -1px;
  padding: .28rem .7rem;
  background: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
}

.contact-snapshot__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
}

.contact-snapshot__label {
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--color-text-secondary);
}

.contact-snapshot__value {
  font-size: var(--font-scale-data);
  color: var(--color-text);
}

.contact-snapshot__note {
  margin-top: 1.5rem;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--color-line);
}

.contact-address {
  padding: 4.5rem 0;
}

.contact-address__inner {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.contact-address__text {
  margin: 1.25rem 0 1rem;
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.45;
  color: var(--color-text);
}

.contact-address__note {
  max-width: 42ch;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.contact-address__meta {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-address__meta>div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--color-line);
  font-size: .875rem;
}

.contact-address__meta-label {
  color: var(--color-text-secondary);
}

.contact-address__visual {
  position: relative;
}

.contact-address__visual::before {
  content: "";
  position: absolute;
  inset: 16px -12px -12px 16px;
  border: 1px solid rgba(183,255,0,.5);
  pointer-events: none;
}

.contact-address__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 92% 100%, 0 100%);
}

.contact-more {
  padding: 0 0 4.5rem;
}

.contact-more__card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 2rem;
  background: linear-gradient(120deg, rgba(183,255,0,.12), rgba(0,229,255,.05));
  border: 1px solid var(--color-line);
}

.contact-more__label {
  margin: 0 0 .45rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.contact-more__desc {
  max-width: 42ch;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
}

.contact-more__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

@media (min-width: 768px) {
  .contact-hero {
    padding: 3rem 0 5rem;
  }

  .contact-hero__inner {
    grid-template-columns: 1.05fr .95fr;
    gap: 4rem;
  }

  .channels-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-service__grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 2.5rem;
  }

  .contact-address__inner {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }

  .contact-more__card {
    padding: 2.5rem 3rem;
  }
}

@media (min-width: 1024px) {
  .contact-hero__inner {
    grid-template-columns: 1.1fr .9fr;
    gap: 5rem;
  }

  .contact-service {
    padding: 5.5rem 0;
  }

  .contact-address {
    padding: 6rem 0;
  }

  .contact-more {
    padding-bottom: 6rem;
  }
}