.page-contact {
  --contact-card-bg: #FFFFFF;
  --contact-card-ink: #0A1F44;
  --contact-card-muted: #53627B;
  --contact-gold-line: rgba(255, 215, 0, .45);
  background: var(--bg);
  color: var(--white);
}

/* ===== 首屏分屏 Hero ===== */
.page-contact .contact-hero {
  border-bottom: 4px solid var(--orange);
}

.page-contact .contact-hero__inner {
  display: flex;
  flex-direction: column;
}

.page-contact .contact-hero__visual {
  position: relative;
  overflow: hidden;
  padding: 2.8rem 1.5rem 2rem;
  background:
    radial-gradient(circle at 82% 10%, rgba(255, 215, 0, .22), transparent 38%),
    radial-gradient(circle at 10% 85%, rgba(255, 107, 53, .18), transparent 42%),
    linear-gradient(120deg, var(--bg-deep) 0%, var(--bg-blue) 100%);
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.page-contact .contact-hero__envelope {
  position: absolute;
  width: 180px;
  height: 128px;
  border-radius: 12px;
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__envelope::before,
.page-contact .contact-hero__envelope::after {
  content: "";
  position: absolute;
  left: -4%;
  width: 108%;
  height: 2px;
  top: 54%;
  background: currentColor;
}

.page-contact .contact-hero__envelope::before {
  transform: rotate(-12deg);
}

.page-contact .contact-hero__envelope::after {
  transform: rotate(12deg);
}

.page-contact .contact-hero__envelope--back {
  right: 10%;
  top: 10%;
  border: 2px solid rgba(255, 107, 53, .6);
  color: rgba(255, 107, 53, .6);
  transform: rotate(-8deg);
  opacity: .8;
}

.page-contact .contact-hero__envelope--front {
  right: -2%;
  top: 20%;
  border: 2px solid rgba(255, 215, 0, .7);
  color: rgba(255, 215, 0, .7);
  transform: rotate(5deg);
}

.page-contact .contact-hero__content {
  position: relative;
  z-index: 1;
  max-width: 560px;
}

.page-contact .contact-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 1.5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .contact-hero__crumb a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}

.page-contact .contact-hero__crumb a:hover {
  color: var(--orange);
}

.page-contact .contact-hero__kicker {
  display: inline-block;
  margin-bottom: .9rem;
  padding: .4rem .75rem;
  border: 1px solid rgba(255, 107, 53, .5);
  border-radius: 2px 14px 2px 14px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .contact-hero__chat-icon {
  display: block;
  color: var(--gold);
  margin-bottom: 1.1rem;
}

.page-contact .contact-hero__title {
  margin: 0 0 .8rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  line-height: .95;
  letter-spacing: .01em;
  text-transform: uppercase;
}

.page-contact .contact-hero__title-sub {
  display: block;
  margin-top: .3rem;
  color: var(--orange);
  font-size: .62em;
  letter-spacing: .08em;
}

.page-contact .contact-hero__intro {
  max-width: 32em;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.75rem;
}

.page-contact .contact-hero__facts span {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .8rem;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 100px;
  background: rgba(255, 255, 255, .07);
  font-size: .8rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .contact-hero__facts span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .contact-hero__visual-img {
  position: relative;
  z-index: 1;
  max-width: 430px;
  margin-top: 1.75rem;
  overflow: hidden;
  border: 2px solid rgba(255, 215, 0, .35);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.page-contact .contact-hero__visual-img img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
}

/* ===== 白底联系卡片 ===== */
.page-contact .contact-hero__card-wrap {
  padding: 1.5rem;
  background: linear-gradient(160deg, #EAF1F8 0%, #FFFFFF 70%);
  color: var(--contact-card-ink);
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: 2rem 1.6rem;
  border: 1px solid rgba(10, 31, 68, .08);
  border-radius: 20px;
  background: var(--contact-card-bg);
  box-shadow: var(--shadow);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--orange) 100%);
}

.page-contact .contact-card__badge {
  display: inline-block;
  margin-bottom: 1rem;
  padding: .3rem .75rem;
  border-radius: 100px;
  background: var(--bg);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
}

.page-contact .contact-card__kicker {
  margin-bottom: .35rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--contact-card-muted);
}

.page-contact .contact-card__title {
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.2;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--contact-card-ink);
}

.page-contact .contact-card__mail {
  display: block;
  margin-bottom: 1.25rem;
  padding-bottom: .3rem;
  border-bottom: 3px solid var(--gold);
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 4.5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  word-break: break-all;
  color: var(--contact-card-ink);
  transition: color var(--transition), border-color var(--transition);
}

.page-contact .contact-card__mail:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .contact-card__desc {
  margin-bottom: 1.5rem;
  color: var(--contact-card-muted);
  font-size: .95rem;
  line-height: 1.7;
}

.page-contact .contact-card__actions {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.page-contact .contact-card__actions .btn--outline {
  border-color: rgba(10, 31, 68, .25);
  color: var(--bg);
}

.page-contact .contact-card__actions .btn--outline:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .contact-card__copy summary {
  list-style: none;
  cursor: pointer;
}

.page-contact .contact-card__copy summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-card__copy-hint {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px dashed var(--orange);
  border-radius: 10px;
  background: #F6F9FF;
  font-family: var(--font-mono);
  font-size: .85rem;
  word-break: break-all;
  color: var(--contact-card-ink);
}

.page-contact .contact-card__copy-hint span {
  display: block;
  margin-bottom: .4rem;
  font-family: var(--font-body);
  font-size: .75rem;
  color: var(--contact-card-muted);
}

.page-contact .contact-card__note {
  margin: 1.25rem 0 0;
  color: var(--contact-card-muted);
  font-size: .82rem;
  line-height: 1.6;
}

.page-contact .contact-card__note strong {
  font-family: var(--font-mono);
  color: var(--contact-card-ink);
}

/* ===== 支持与咨询 ===== */
.page-contact .contact-channels {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.page-contact .contact-channels__head {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-bottom: 2.25rem;
}

.page-contact .contact-channels__head .section-head__desc {
  max-width: 46em;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-panel);
  transition: border-color var(--transition), transform var(--transition);
}

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

.page-contact .channel-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px 2px 10px 2px;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 800;
}

.page-contact .channel-card__title {
  margin: 0;
  padding-bottom: .5rem;
  border-bottom: 2px solid rgba(255, 215, 0, .35);
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.page-contact .channel-card__text {
  margin: 0 0 .5rem;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.65;
}

.page-contact .channel-card__link {
  margin-top: auto;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: .92rem;
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.page-contact .channel-card__link:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .channel-card__address {
  margin-top: auto;
  font-style: normal;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .channel-card__details {
  margin-top: auto;
}

.page-contact .channel-card__phone-summary {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .8rem 1rem;
  border: 1px solid rgba(255, 215, 0, .35);
  border-radius: 12px;
  background: rgba(255, 215, 0, .08);
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: 700;
  transition: background var(--transition), border-color var(--transition);
}

.page-contact .channel-card__phone-summary::-webkit-details-marker {
  display: none;
}

.page-contact .channel-card__phone-summary::after {
  content: "展开拨打说明";
  color: var(--orange);
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 500;
}

.page-contact .channel-card__details[open] .channel-card__phone-summary {
  border-color: rgba(255, 107, 53, .55);
  background: rgba(255, 107, 53, .1);
}

.page-contact .channel-card__details[open] .channel-card__phone-summary::after {
  content: "收起拨打说明";
}

.page-contact .channel-card__phone-tip {
  margin-top: .6rem;
  padding: .75rem 1rem;
  border-left: 3px solid var(--orange);
  border-radius: 0 8px 8px 0;
  background: rgba(255, 107, 53, .12);
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.55;
}

/* ===== 响应规则 ===== */
.page-contact .contact-response {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--bg-deep), var(--bg-blue));
}

.page-contact .contact-response__grid {
  display: block;
}

.page-contact .contact-response__content {
  max-width: 760px;
}

.page-contact .contact-response__lead {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.page-contact .contact-response__list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-response__list li {
  position: relative;
  padding: 1.1rem 1.25rem 1.1rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, .05);
  color: var(--muted);
  line-height: 1.65;
}

.page-contact .contact-response__list li::before {
  content: "";
  position: absolute;
  top: 1.2rem;
  bottom: 1.2rem;
  left: 0;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), var(--orange));
}

.page-contact .contact-response__list strong {
  color: var(--white);
  font-weight: 700;
}

.page-contact .contact-response__aside {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-contact .contact-response__stat {
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-panel);
  text-align: center;
}

.page-contact .contact-response__stat-num {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--gold);
}

.page-contact .contact-response__stat-num span {
  margin-left: .15rem;
  font-size: 1rem;
  color: var(--white);
}

.page-contact .contact-response__stat-label {
  color: var(--muted);
  font-size: .85rem;
}

/* ===== 位置信息 ===== */
.page-contact .contact-location {
  padding-top: 3.5rem;
  padding-bottom: 4rem;
}

.page-contact .contact-location__card {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-panel);
}

.page-contact .contact-location__map {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  background-color: var(--bg-panel);
  background-image:
    linear-gradient(rgba(255, 215, 0, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 215, 0, .12) 1px, transparent 1px),
    linear-gradient(135deg, rgba(255, 107, 53, .16), transparent 60%);
  background-size: 30px 30px, 30px 30px, 100% 100%;
}

.page-contact .contact-location__map-pin {
  width: 18px;
  height: 18px;
  border: 3px solid var(--gold);
  border-radius: 50% 50% 50% 0;
  background: var(--orange);
  box-shadow: 0 0 0 10px rgba(255, 107, 53, .2);
  transform: rotate(-45deg);
}

.page-contact .contact-location__map-coord {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: .35rem .7rem;
  border: 1px solid rgba(255, 215, 0, .35);
  border-radius: 6px;
  background: rgba(10, 31, 68, .82);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
}

.page-contact .contact-location__info {
  padding: 1.5rem;
}

.page-contact .contact-location__label {
  margin-bottom: .5rem;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
}

.page-contact .contact-location__address {
  margin-bottom: .75rem;
  font-style: normal;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.3;
  letter-spacing: .03em;
  color: var(--white);
}

.page-contact .contact-location__note {
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.6;
}

.page-contact .contact-location__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
}

/* ===== 更多帮助 ===== */
.page-contact .contact-more {
  padding-top: 1rem;
  padding-bottom: 4rem;
}

.page-contact .contact-more__panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  background:
    linear-gradient(120deg, rgba(255, 215, 0, .14), rgba(255, 107, 53, .08)),
    var(--bg-panel);
}

.page-contact .contact-more__panel h2 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.page-contact .contact-more__desc {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.6;
}

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

/* ===== 响应式断点：移动端优先 / 桌面端增强 ===== */
@media (min-width: 480px) {
  .page-contact .contact-card__actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .page-contact .contact-more__panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    min-height: 640px;
  }

  .page-contact .contact-hero__visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 3rem 3rem;
  }

  .page-contact .contact-hero__visual-img {
    margin-top: 2rem;
  }

  .page-contact .contact-hero__visual-img img {
    max-height: 420px;
  }

  .page-contact .contact-hero__card-wrap {
    display: flex;
    align-items: center;
    padding: 4vw;
  }

  .page-contact .contact-card {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    padding: 2.5rem;
  }

  .page-contact .contact-channels {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-contact .contact-response {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .page-contact .contact-response__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
  }

  .page-contact .contact-response__aside {
    margin-top: 0;
  }

  .page-contact .contact-location {
    padding-top: 5rem;
    padding-bottom: 5.5rem;
  }

  .page-contact .contact-location__card {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-location__map {
    min-height: 300px;
  }

  .page-contact .contact-location__info {
    padding: 2.5rem;
  }

  .page-contact .contact-location__img {
    grid-column: 1 / -1;
    max-height: 280px;
  }

  .page-contact .contact-more {
    padding-bottom: 5rem;
  }
}