.page-contact {
  --pc-hair: rgba(10, 27, 61, 0.12);
  --pc-shadow: 0 20px 44px -32px rgba(7, 16, 31, 0.5);
  --pc-line-dark: rgba(255, 255, 255, 0.14);
  background: var(--fog);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .contact-crumbs {
  padding: 18px 0 0;
}

.page-contact .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-contact .crumb-link {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .crumb-link:hover {
  color: var(--navy);
  border-bottom-color: var(--lime);
}

.page-contact .crumb-sep {
  color: var(--mist);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--navy);
  font-weight: 600;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 18px;
  padding: clamp(34px, 6vw, 62px) 0 clamp(38px, 6vw, 70px);
  background: var(--navy);
  color: var(--white);
}

.page-contact .contact-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.4;
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(106deg, rgba(10, 27, 61, 0.97) 16%, rgba(10, 27, 61, 0.84) 54%, rgba(16, 43, 87, 0.42) 100%),
    repeating-linear-gradient(90deg, rgba(198, 255, 61, 0.09) 0 1px, transparent 1px 92px);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero-kicker {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .contact-hero-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--lime);
}

.page-contact .contact-hero-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 8vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero-title span {
  color: var(--lime);
}

.page-contact .contact-hero-lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.78);
}

.page-contact .contact-hero-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
}

.page-contact .contact-hero-stats li {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--lime);
}

.page-contact .contact-hero-stats li:nth-child(2) {
  border-left-color: var(--orange);
}

.page-contact .hs-num {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-contact .hs-num--alert {
  color: var(--orange);
}

.page-contact .hs-label {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.6);
}

/* 通用区块 */
.page-contact .contact-block {
  padding: clamp(38px, 5.5vw, 68px) 0 0;
}

.page-contact .pc-eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .pc-eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--lime);
}

.page-contact .contact-title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-contact .contact-lede {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

/* 联系矩阵 */
.page-contact .contact-matrix {
  display: grid;
  gap: 26px;
}

.page-contact .channel-list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 82%;
  gap: 14px;
  margin-top: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.page-contact .channel-card {
  position: relative;
  scroll-snap-align: start;
  padding: 20px 20px 18px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius);
  box-shadow: var(--pc-shadow);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 3px;
  background: var(--mist);
  transition: background 0.2s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(198, 255, 61, 0.65);
}

.page-contact .channel-card:hover::before {
  background: var(--lime);
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-contact .channel-value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.4vw, 16px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--navy);
  word-break: break-word;
}

.page-contact .channel-value--text {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.55;
}

.page-contact .channel-note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-contact .channel-card--primary {
  background: linear-gradient(158deg, var(--navy), var(--midnight));
  border-color: rgba(198, 255, 61, 0.32);
}

.page-contact .channel-card--primary::before {
  background: var(--lime);
}

.page-contact .channel-card--primary .channel-label {
  color: var(--lime);
}

.page-contact .channel-card--primary .channel-value {
  color: var(--white);
}

.page-contact .channel-card--primary .channel-note {
  color: rgba(255, 255, 255, 0.74);
}

/* 归类面板 */
.page-contact .briefing {
  padding: 22px 20px 24px;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(95, 212, 255, 0.22);
  background: linear-gradient(165deg, var(--midnight), var(--navy) 76%);
  color: var(--white);
}

.page-contact .briefing-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .briefing-title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .briefing-note {
  margin: 8px 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.page-contact .topic-group {
  border-top: 1px solid var(--pc-line-dark);
}

.page-contact .topic-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--white);
  transition: color 0.18s var(--ease);
}

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

.page-contact .topic-group summary:hover {
  color: var(--lime);
}

.page-contact .topic-group summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .topic-group[open] summary::after {
  content: "–";
}

.page-contact .topic-body {
  padding: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.74);
}

.page-contact .topic-body a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 场景 */
.page-contact .scene-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .scene-card {
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius);
  box-shadow: var(--pc-shadow);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .scene-card:hover {
  border-color: rgba(95, 212, 255, 0.7);
  transform: translateY(-2px);
}

.page-contact .scene-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .scene-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--navy);
}

.page-contact .scene-card p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .scene-card--feature {
  background: linear-gradient(155deg, var(--midnight), var(--navy) 80%);
  border-color: rgba(198, 255, 61, 0.3);
}

.page-contact .scene-card--feature .scene-num {
  color: var(--lime);
}

.page-contact .scene-card--feature h3 {
  color: var(--white);
}

.page-contact .scene-card--feature p {
  color: rgba(255, 255, 255, 0.76);
}

.page-contact .scene-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--midnight);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 2px;
}

.page-contact .scene-card--feature .scene-link {
  color: var(--lime);
  border-bottom-color: rgba(198, 255, 61, 0.5);
}

.page-contact .scene-card--feature .scene-link:hover,
.page-contact .scene-link:hover {
  border-bottom-color: var(--orange);
}

.page-contact .scene-inline {
  color: var(--midnight);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
}

/* 反馈步骤 */
.page-contact .steps-panel {
  padding: clamp(20px, 4vw, 36px);
  background: var(--white);
  border: 1px solid var(--pc-hair);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--pc-shadow);
}

.page-contact .steps-intro {
  border-left: 3px solid var(--lime);
  padding-left: 16px;
}

.page-contact .steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .step {
  position: relative;
  padding-left: 46px;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 32px;
  bottom: -20px;
  width: 1px;
  background: var(--line-strong);
}

.page-contact .step:last-child::before {
  display: none;
}

.page-contact .step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-contact .step h3 {
  margin: 2px 0 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy);
}

.page-contact .step p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

/* 响应 */
.page-contact .response-list {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.page-contact .response-item {
  padding: 16px 0 0;
  border-top: 3px solid var(--lime);
}

.page-contact .response-item:nth-child(2) {
  border-top-color: var(--orange);
}

.page-contact .response-item:nth-child(3) {
  border-top-color: var(--ice);
}

.page-contact .resp-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.page-contact .response-item h3 {
  margin: 8px 0 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--slate);
}

.page-contact .response-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .response-item a {
  color: var(--midnight);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
}

/* 地址与备案 */
.page-contact .where {
  display: grid;
  gap: 24px;
}

.page-contact .where-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--pc-hair);
  background: var(--fog-light);
}

.page-contact .where-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .where-list {
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .where-list div {
  display: grid;
  gap: 4px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-contact .where-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .where-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .pc-mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-contact .where-note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--lime);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .fillings {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--pc-hair);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
}

.page-contact .filing-icp {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-contact .filing-icp span:first-child {
  color: var(--mist);
  letter-spacing: 0.12em;
}

.page-contact .filing-links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-contact .filing-links a {
  font-size: 13px;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .filing-links a:hover {
  color: var(--navy);
  border-bottom-color: var(--lime);
}

/* 断点 */
@media (min-width: 800px) {
  .page-contact .channel-list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .channel-card--primary {
    grid-column: span 2;
  }
}

@media (min-width: 680px) {
  .page-contact .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-hero-stats {
    gap: 20px 40px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-matrix {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .briefing {
    padding: 26px 24px 28px;
  }

  .page-contact .steps-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.6fr);
    gap: 36px;
    align-items: start;
  }

  .page-contact .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 22px;
    margin-top: 4px;
  }

  .page-contact .step::before {
    display: none;
  }

  .page-contact .where {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 38px;
    align-items: center;
  }
}

@media (min-width: 760px) {
  .page-contact .response-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1040px) {
  .page-contact .scene-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .scene-card {
    grid-column: span 2;
  }

  .page-contact .scene-card--feature,
  .page-contact .scene-card--wide {
    grid-column: span 3;
  }

  .page-contact .channel-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .scene-card,
  .page-contact .topic-group summary,
  .page-contact .crumb-link,
  .page-contact .filing-links a {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .scene-card:hover {
    transform: none;
  }
}