.page-contact {
  --contact-grid: 42px;
  --contact-navy-soft: #123A63;
  --contact-line: rgba(10, 37, 64, 0.12);
  --contact-shadow: 10px 10px 0 rgba(0, 0, 0, 0.2);
  overflow-x: clip;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
}

/* ===== 页头横幅 ===== */
.page-contact .contact-hero {
  position: relative;
  background: var(--navy);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: var(--contact-grid) var(--contact-grid);
  color: var(--white);
  padding: 104px 0 72px;
  overflow: hidden;
}
.page-contact .contact-hero .breadcrumb {
  margin: 0 0 40px;
  color: rgba(255, 255, 255, 0.62);
}
.page-contact .breadcrumb-link {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-contact .breadcrumb-link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-contact .breadcrumb-sep {
  margin: 0 10px;
  opacity: 0.5;
}
.page-contact .breadcrumb-current {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 14px;
}
.page-contact .contact-hero__kick {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-contact .contact-hero__kick::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 3px;
  background: var(--orange);
}
.page-contact .contact-hero__title {
  margin: 0 0 22px;
  font-family: var(--font-heading);
  font-size: clamp(40px, 8vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-shadow: 4px 4px 0 rgba(198, 255, 0, 0.22);
}
.page-contact .contact-hero__desc {
  max-width: 660px;
  margin: 0 0 34px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
}
.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.page-contact .contact-hero__meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.76);
}
.page-contact .meta-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--lime);
}
.page-contact .contact-hero .diag-band {
  position: absolute;
  right: -12%;
  bottom: -2px;
  width: 64%;
  height: 28px;
  background: var(--lime);
  transform: skewX(-14deg);
  transform-origin: right bottom;
}
.page-contact .contact-hero .speed-lines {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 40px;
  background: repeating-linear-gradient(-70deg, transparent 0, transparent 9px, rgba(198, 255, 0, 0.35) 9px, rgba(198, 255, 0, 0.35) 11px);
  opacity: 0.5;
  pointer-events: none;
}

/* ===== 导语与事实 ===== */
.page-contact .contact-intro {
  position: relative;
  padding: 88px 0 76px;
  background: var(--bg);
}
.page-contact .contact-intro::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--orange) 0 18px, transparent 18px 38px);
}
.page-contact .contact-intro__lead {
  max-width: 800px;
  margin: 0 0 48px;
  font-size: 19px;
  line-height: 1.9;
  font-weight: 500;
}
.page-contact .contact-intro__lead b {
  font-weight: 900;
  color: var(--ink);
  background: linear-gradient(transparent 62%, rgba(198, 255, 0, 0.85) 62%);
  padding: 0 2px;
}
.page-contact .contact-intro__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  padding: 24px 0 20px;
}
.page-contact .fact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 14px;
  border-left: 1px solid var(--silver);
}
.page-contact .fact-item:first-child {
  padding-left: 0;
  border-left: 0;
}
.page-contact .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
  white-space: nowrap;
}
.page-contact .fact-unit {
  margin-left: 2px;
  font-size: 13px;
  color: var(--orange);
}
.page-contact .fact-label {
  font-size: 12px;
  color: var(--muted);
}

/* ===== 章节通用 ===== */
.page-contact .section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}
.page-contact .section-label span {
  color: var(--muted);
}
.page-contact .section-title {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: clamp(26px, 4.5vw, 42px);
  line-height: 1.06;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.page-contact .section-desc {
  max-width: 620px;
  margin: 0 0 34px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ===== 联络渠道 ===== */
.page-contact .contact-channels {
  position: relative;
  padding: 92px 0 96px;
  background: var(--bg);
  background-image: linear-gradient(var(--contact-line) 1px, transparent 1px);
  background-size: 100% 96px;
}
.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 52px 0;
  margin-top: 42px;
  position: relative;
}
.page-contact .channel-card {
  position: relative;
  background: var(--white);
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--contact-shadow);
  padding: 30px 24px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .channel-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 6px;
  background: var(--orange);
  transition: width 0.25s ease;
}
.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-5px);
  box-shadow: 14px 14px 0 rgba(0, 0, 0, 0.2);
}
.page-contact .channel-card:hover::after,
.page-contact .channel-card:focus-within::after {
  width: 100%;
}
.page-contact .channel-card:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}
.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.page-contact .channel-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  flex: none;
  border: var(--border-w) solid var(--ink);
  background: var(--lime);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
}
.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 21px;
  line-height: 1;
  text-transform: uppercase;
}
.page-contact .channel-card__desc {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .channel-card__contact {
  margin: 0 0 18px;
}
.page-contact .contact-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 14px;
  padding: 10px 0;
  border-top: 1px dashed var(--silver);
  font-size: 14px;
}
.page-contact .contact-row:last-child {
  border-bottom: 1px dashed var(--silver);
}
.page-contact .contact-row dt {
  flex: none;
  color: var(--muted);
}
.page-contact .contact-row dd {
  min-width: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--navy);
  text-align: right;
  word-break: break-all;
}
.page-contact .channel-card__detail {
  border-left: 4px solid var(--orange);
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}
.page-contact .channel-figure {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}
.page-contact .channel-figure::after {
  content: "";
  position: absolute;
  inset: -9px;
  border: 2px dashed var(--orange);
  transform: rotate(7deg);
  z-index: 0;
}
.page-contact .channel-figure__img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  border: var(--border-w) solid var(--ink);
  background: var(--silver);
}

/* ===== 办公地址 ===== */
.page-contact .contact-location {
  position: relative;
  padding: 96px 0 92px;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
}
.page-contact .contact-location .diag-band--reverse {
  position: absolute;
  left: -10%;
  top: -2px;
  width: 58%;
  height: 20px;
  background: var(--orange);
  transform: skewX(-12deg);
  transform-origin: left top;
}
.page-contact .contact-location__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px 56px;
  align-items: center;
}
.page-contact .contact-location__map {
  position: relative;
}
.page-contact .location-figure {
  position: relative;
  margin: 0;
  border: var(--border-w) solid var(--silver);
  background:
    linear-gradient(rgba(192, 192, 200, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192, 192, 200, 0.16) 1px, transparent 1px);
  background-size: var(--contact-grid) var(--contact-grid);
  background-color: var(--contact-navy-soft);
}
.page-contact .location-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 110px;
  object-fit: cover;
}
.page-contact .location-figure .figcaption {
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}
.page-contact .location-legend {
  position: absolute;
  left: 10px;
  top: 10px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 20px);
}
.page-contact .location-legend .legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(10, 37, 64, 0.86);
  color: var(--white);
  font-size: 12px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.page-contact .location-legend .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--silver);
  flex: none;
}
.page-contact .location-legend .legend-dot--active {
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.35);
}
.page-contact .location-legend .legend-dot--route {
  background: var(--orange);
  border-radius: 2px;
}
.page-contact .location-legend .legend-dot--zone {
  background: transparent;
  border: 2px dashed var(--silver);
}
.page-contact .location-content .section-label {
  color: var(--lime);
}
.page-contact .location-content .section-label span {
  color: rgba(255, 255, 255, 0.55);
}
.page-contact .location-content .section-title {
  color: var(--white);
}
.page-contact .location-address {
  margin: 8px 0 18px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  border-left: 4px solid var(--lime);
  padding-left: 16px;
}
.page-contact .location-desc {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}
.page-contact .location-routes {
  display: grid;
  gap: 10px;
}
.page-contact .route-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.04);
  padding: 11px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
}
.page-contact .route-code {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
}

/* ===== 留言信息示意 ===== */
.page-contact .contact-feedback {
  padding: 96px 0 92px;
  background: var(--bg);
}
.page-contact .feedback-sample {
  position: relative;
  max-width: 640px;
  background: var(--white);
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--contact-shadow);
}
.page-contact .feedback-sample__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: var(--navy);
  color: var(--white);
  border-bottom: var(--border-w) solid var(--ink);
}
.page-contact .feedback-sample__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--lime);
}
.page-contact .feedback-sample__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}
.page-contact .feedback-sample__fields {
  margin: 0;
  padding: 0 18px 4px;
}
.page-contact .sample-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--silver);
}
.page-contact .sample-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .sample-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
}
.page-contact .feedback-sample__foot {
  padding: 14px 18px 18px;
  border-top: 3px solid var(--lime);
  background: rgba(198, 255, 0, 0.2);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}
.page-contact .feedback-note {
  max-width: 640px;
  margin-top: 28px;
  padding: 16px 18px;
  border-left: 4px solid var(--orange);
  background: rgba(255, 106, 0, 0.08);
  font-size: 14px;
  line-height: 1.8;
}
.page-contact .feedback-note a {
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
}
.page-contact .feedback-note a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ===== 支撑实力 ===== */
.page-contact .contact-promise {
  position: relative;
  padding: 92px 0 96px;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}
.page-contact .contact-promise::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 52%;
  height: 100%;
  background-image: repeating-linear-gradient(-55deg, rgba(198, 255, 0, 0.14) 0 2px, transparent 2px 26px);
  pointer-events: none;
}
.page-contact .promise-head {
  position: relative;
  margin-bottom: 40px;
}
.page-contact .promise-head .section-label {
  color: var(--lime);
}
.page-contact .promise-head .section-label span {
  color: rgba(255, 255, 255, 0.55);
}
.page-contact .promise-head .section-title {
  color: var(--white);
}
.page-contact .promise-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px 18px;
  padding: 30px 0 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}
.page-contact .promise-item {
  border-left: 4px solid var(--lime);
  padding-left: 16px;
}
.page-contact .promise-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 5.5vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  white-space: nowrap;
}
.page-contact .promise-unit {
  margin-left: 3px;
  font-size: 15px;
  color: var(--orange);
}
.page-contact .promise-label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== 收尾 ===== */
.page-contact .contact-outro {
  position: relative;
  padding: 96px 0 100px;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
}
.page-contact .contact-outro::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 28px;
  background: repeating-linear-gradient(-40deg, var(--orange) 0 20px, transparent 20px 34px);
  opacity: 0.5;
  pointer-events: none;
}
.page-contact .contact-outro__pre {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-contact .contact-outro__title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(30px, 6vw, 48px);
  line-height: 1.05;
  text-transform: uppercase;
}
.page-contact .contact-outro__desc {
  max-width: 560px;
  margin: 0 0 30px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
}
.page-contact .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.page-contact .contact-outro .btn--ghost {
  border-color: var(--white);
  color: var(--white);
  background: transparent;
}
.page-contact .contact-outro .btn--ghost:hover {
  background: var(--white);
  color: var(--navy);
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 140px 0 84px;
  }
  .page-contact .contact-hero__title {
    font-size: clamp(52px, 7.5vw, 72px);
  }
  .page-contact .contact-hero__desc {
    font-size: 16px;
    line-height: 1.8;
  }
  .page-contact .contact-intro__lead {
    font-size: 21px;
  }
  .page-contact .fact-num {
    font-size: 38px;
  }
  .page-contact .fact-label {
    font-size: 13px;
  }
  .page-contact .sample-row {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
  }
  .page-contact .sample-row dd {
    text-align: right;
  }
  .page-contact .promise-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
  }
  .page-contact .feedback-note {
    padding: 18px 22px;
  }
}

@media (min-width: 860px) {
  .page-contact .channels-grid {
    grid-template-columns: 1fr 210px 1fr;
    gap: 0 36px;
    align-items: start;
  }
  .page-contact .channel-card--support {
    margin-top: 64px;
  }
  .page-contact .channel-figure {
    margin-top: 26px;
  }
  .page-contact .contact-location__grid {
    grid-template-columns: 1fr 1.1fr;
  }
  .page-contact .contact-location__map {
    order: 2;
  }
  .page-contact .location-content {
    order: 1;
  }
  .page-contact .channel-card__detail {
    font-size: 14px;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-intro__lead {
    font-size: 23px;
  }
  .page-contact .contact-intro__facts {
    gap: 24px;
  }
  .page-contact .section-title {
    font-size: 44px;
  }
}