.page-contact {
  --contact-pad: 20px;
  --contact-pad-lg: 44px;
  --contact-shadow: 0 18px 40px -24px rgba(17, 43, 60, .28);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow: clip;
}

/* ===== 面包屑 ===== */
.page-contact .breadcrumb {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 22px var(--contact-pad) 0;
}
.page-contact .breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}
.page-contact .breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color .2s ease;
}
.page-contact .breadcrumb a:hover {
  color: var(--color-primary);
}
.page-contact .breadcrumb span[aria-current="page"] {
  color: var(--color-primary-deep);
  font-weight: 500;
}

/* ===== Hero ===== */
.contact-hero {
  position: relative;
  padding: 56px var(--contact-pad) 56px;
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 194, 199, .16), transparent 30%),
    radial-gradient(circle at 6% 88%, rgba(30, 144, 255, .18), transparent 32%),
    linear-gradient(120deg, #FFFFFF 0%, #EDF5FC 62%, #E3F0FF 100%);
}
.contact-hero::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 3%;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  border: 2px dashed rgba(30, 144, 255, .22);
  pointer-events: none;
}
.contact-hero__inner {
  position: relative;
  display: grid;
  gap: 30px;
  max-width: var(--container-w);
  margin: 0 auto;
}
.contact-hero__text .lead {
  margin: 18px 0 0;
  max-width: 34em;
  line-height: 1.9;
  color: var(--color-soft-text);
}
.contact-hero__text::after {
  content: "";
  display: block;
  width: 72px;
  height: 6px;
  margin-top: 30px;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}
.contact-hero__cta {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
.contact-hero__visual {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--contact-shadow);
  transform: rotate(1.4deg);
}
.contact-hero__visual::before {
  content: "";
  position: absolute;
  inset: 16px -14px -14px 18px;
  border: 2px solid var(--color-teal);
  border-radius: var(--radius-lg);
  opacity: .55;
  transform: rotate(-1.2deg);
  z-index: 0;
}
.contact-hero__visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.contact-hero__map-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  color: var(--color-primary-deep);
  opacity: .55;
  pointer-events: none;
}

/* ===== 联系方式 ===== */
.contact-cards {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 76px var(--contact-pad) 52px;
}
.contact-cards__header {
  display: grid;
  gap: 14px;
  margin-bottom: 38px;
}
.contact-cards__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-soft-text);
}
.contact-cards__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.contact-card {
  position: relative;
  padding: 28px 26px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 28px -18px rgba(17, 43, 60, .16);
  transition: transform .3s ease, box-shadow .3s ease;
}
.contact-card:hover,
.contact-card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 26px 44px -28px rgba(17, 43, 60, .32);
}
.contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  margin-bottom: 18px;
  background: var(--color-info-bg);
  color: var(--color-primary);
}
.contact-card__icon svg {
  width: 24px;
  height: 24px;
}
.contact-card--email .contact-card__icon {
  background: rgba(30, 144, 255, .12);
  color: var(--color-primary);
}
.contact-card--phone .contact-card__icon {
  background: rgba(255, 140, 0, .14);
  color: var(--color-accent);
}
.contact-card--support .contact-card__icon {
  background: rgba(0, 194, 199, .14);
  color: var(--color-teal);
}
.contact-card--address .contact-card__icon {
  background: rgba(122, 92, 255, .14);
  color: var(--color-purple);
}
.contact-card__label {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--color-muted);
}
.contact-card__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-primary-deep);
}
.contact-card__title--text {
  color: var(--color-text);
}
.contact-card__link {
  display: inline-block;
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}
.contact-card__link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.contact-card__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-soft-text);
}

/* ===== 支持时段 ===== */
.response {
  padding: 60px var(--contact-pad) 68px;
  background: linear-gradient(150deg, rgba(30, 144, 255, .08) 0%, rgba(245, 247, 250, .6) 42%, rgba(0, 194, 199, .08) 100%);
}
.response__inner {
  display: grid;
  gap: 32px;
  max-width: var(--container-w);
  margin: 0 auto;
}
.response__media {
  position: relative;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px -25px rgba(17, 43, 60, .32);
}
.response__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.response__badge {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 2;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .05em;
  box-shadow: 0 8px 20px -8px rgba(255, 140, 0, .6);
}
.response__lead {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-soft-text);
}
.response__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 28px 0 24px;
}
.stat {
  padding: 16px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 18px -16px rgba(17, 43, 60, .18);
}
.stat__value {
  display: block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-deep);
  line-height: 1.4;
}
.stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-muted);
}
.response__notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.response__notes li {
  position: relative;
  padding-left: 28px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-soft-text);
}
.response__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-teal);
}
.response__notes li:nth-child(2)::before {
  background: var(--color-primary);
}
.response__notes li:nth-child(3)::before {
  background: var(--color-purple);
}

/* ===== 在线留言 ===== */
.message {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 72px var(--contact-pad) 48px;
  display: grid;
  gap: 42px;
}
.message__intro > p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-soft-text);
}
.message__related {
  margin-top: 34px;
  padding: 22px 24px;
  background: var(--color-info-bg);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.message__related h3 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-deep);
}
.message__related ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.message__related a {
  padding-bottom: 3px;
  font-size: 13px;
  color: var(--color-soft-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 144, 255, .18);
  transition: color .2s ease, border-color .2s ease;
}
.message__related a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.message__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 30px 26px;
  background: var(--color-surface);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 50px -30px rgba(17, 43, 60, .28);
}
.message__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.message__field label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-soft-text);
}
.message__field input,
.message__field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  outline: none;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.message__field input:focus,
.message__field textarea:focus {
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 0 0 4px rgba(30, 144, 255, .12);
}
.message__field input::placeholder,
.message__field textarea::placeholder {
  color: var(--color-muted);
}
.message__field textarea {
  resize: vertical;
  min-height: 120px;
}
.message__foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}
.message__foot p {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--color-muted);
}

/* ===== 信任声明 ===== */
.trust-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 8px var(--contact-pad) 64px;
}
.trust-note__mark {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 30%, rgba(255, 255, 255, .85) 0 8%, transparent 9%),
    linear-gradient(135deg, var(--color-primary), var(--color-teal));
  box-shadow: 0 10px 20px -10px rgba(30, 144, 255, .5);
}
.trust-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-soft-text);
}
.trust-note a {
  color: var(--color-primary-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 144, 255, .2);
  transition: border-color .2s ease;
}
.trust-note a:hover {
  border-color: var(--color-accent);
}

/* ===== 桌面端断点 ===== */
@media (min-width: 640px) {
  .contact-hero__cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  .message__panel {
    grid-template-columns: 1fr 1fr;
  }
  .message__field--full,
  .message__foot {
    grid-column: 1 / -1;
  }
  .message__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 768px) {
  .contact-cards__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .contact-hero__visual {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 1024px) {
  .contact-hero {
    padding: 80px var(--contact-pad-lg) 88px;
  }
  .contact-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 56px;
  }
  .contact-cards {
    padding-top: 88px;
    padding-bottom: 64px;
  }
  .contact-cards__header {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 40px;
    margin-bottom: 44px;
  }
  .contact-cards__lead {
    max-width: 520px;
  }
  .contact-cards__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 32px 32px;
  }
  .contact-card--email {
    grid-column: 1 / 6;
  }
  .contact-card--phone {
    grid-column: 7 / 12;
    margin-top: 28px;
  }
  .contact-card--support {
    grid-column: 2 / 7;
  }
  .contact-card--address {
    grid-column: 7 / 13;
    margin-top: 10px;
  }
  .response {
    padding: 88px var(--contact-pad-lg) 96px;
  }
  .response__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 64px;
    align-items: center;
  }
  .message {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 80px;
    align-items: start;
    padding-top: 88px;
  }
  .trust-note {
    padding-left: var(--contact-pad-lg);
    padding-right: var(--contact-pad-lg);
  }
}