.page-contact {
  --route-line: rgba(40, 64, 95, 0.22);
  --hero-glow: rgba(53, 242, 192, 0.14);
  --hero-red: rgba(230, 59, 79, 0.2);
  --card-shadow: 0 20px 44px -36px rgba(7, 26, 51, 0.7);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 95% at 92% -12%, var(--hero-red), transparent 58%),
    radial-gradient(100% 85% at -8% 118%, var(--hero-glow), transparent 62%),
    var(--navy);
  color: #fff;
  padding: clamp(18px, 4vw, 40px) 0 clamp(42px, 7vw, 88px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.4;
  pointer-events: none;
}

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

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: clamp(26px, 5vw, 54px);
}

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

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: #fff;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1;
  font-size: clamp(2.3rem, 7.6vw, 5.2rem);
  margin: 0 0 clamp(18px, 3vw, 30px);
  max-width: 16ch;
  color: #fff;
}

.page-contact .contact-hero .lede {
  color: var(--muted);
  max-width: 58ch;
}

.page-contact .contact-hero__mail {
  margin-top: clamp(30px, 5vw, 56px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--edge-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .contact-hero__mail-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-hero__mail-addr {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.05rem, 4.6vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mint);
  word-break: break-all;
}

.page-contact .contact-hero__hint {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .contact-band {
  padding: clamp(40px, 6.5vw, 88px) 0;
}

.page-contact .contact-band--split {
  padding-top: 0;
}

.page-contact .contact-band--dark {
  background: var(--navy-deep);
  color: #fff;
}

.page-contact .contact-head {
  margin-bottom: clamp(26px, 4vw, 46px);
  max-width: 68ch;
}

.page-contact .contact-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.08;
  font-size: clamp(1.55rem, 3.4vw, 2.6rem);
  margin: 0 0 clamp(12px, 2vw, 18px);
  color: var(--ink);
}

.page-contact .contact-head--dark h2 {
  color: #fff;
}

.page-contact .contact-head .lede {
  margin: 0;
}

.page-contact .contact-head--dark .lede {
  color: var(--muted);
}

/* —— 三条路径路线图 —— */
.page-contact .route-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-contact .route-node {
  position: relative;
  padding: clamp(20px, 2.6vw, 26px) 0 0;
  border-top: 1px solid var(--route-line);
}

.page-contact .route-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint-deep);
  box-shadow: 0 0 0 4px rgba(11, 127, 107, 0.14);
}

.page-contact .route-node--phone::before {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(230, 59, 79, 0.14);
}

.page-contact .route-node--addr::before {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(244, 184, 74, 0.18);
}

.page-contact .route-node__idx {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted-ink);
  margin-bottom: 8px;
}

.page-contact .route-node__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-contact .route-node__value {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 10px;
  color: var(--mint-deep);
  word-break: break-word;
}

.page-contact .route-node--phone .route-node__value {
  color: var(--red);
}

.page-contact .route-node--addr .route-node__value {
  color: var(--ink);
}

.page-contact .route-node__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--muted-ink);
}

/* —— 图片 —— */
.page-contact .contact-figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--edge-line);
  background: var(--navy-soft);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-figure__cap {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted-ink);
  background: #fff;
  padding: 10px 14px;
  border-top: 1px solid var(--edge-line);
}

.page-contact .contact-figure--inset {
  margin-top: clamp(18px, 3vw, 26px);
}

/* —— 双栏 —— */
.page-contact .contact-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .contact-grid__main {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.page-contact .contact-card {
  background: #fff;
  border: 1px solid var(--edge-line);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
  box-shadow: var(--card-shadow);
}

.page-contact .contact-card h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.14;
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  margin: 0 0 clamp(12px, 2vw, 18px);
  color: var(--ink);
}

.page-contact .contact-card .lede {
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  color: var(--muted-ink);
}

.page-contact .contact-checklist {
  list-style: none;
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--muted-ink);
}

.page-contact .contact-checklist li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--mint-deep);
  transform: rotate(45deg);
}

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

.page-contact .contact-note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted-ink);
  padding-top: clamp(14px, 2vw, 18px);
  border-top: 1px solid var(--edge-line);
}

.page-contact .contact-note a,
.page-contact .contact-band__note a {
  color: var(--mint-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 127, 107, 0.35);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .contact-note a:hover,
.page-contact .contact-note a:focus-visible,
.page-contact .contact-band__note a:hover,
.page-contact .contact-band__note a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-contact .contact-card--topics {
  background: #fff;
}

.page-contact .contact-subtitle {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  letter-spacing: -0.015em;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-contact .contact-subtitle__hint {
  margin: 0 0 clamp(14px, 2.2vw, 20px);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted-ink);
}

.page-contact .contact-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-topic {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  border: 1px solid var(--edge-line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  background: var(--paper);
}

.page-contact .contact-topic__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mint-deep);
  font-weight: 700;
}

.page-contact .contact-topic__text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

/* —— 侧栏 —— */
.page-contact .contact-grid__side {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  align-content: start;
}

.page-contact .contact-side-block {
  background: #fff;
  border: 1px solid var(--edge-line);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--card-shadow);
}

.page-contact .contact-side-block__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-contact .contact-side-block__lede {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--muted-ink);
}

.page-contact .contact-steps {
  border-top: 1px solid var(--edge-line);
}

.page-contact .contact-step {
  border-bottom: 1px solid var(--edge-line);
}

.page-contact .contact-step > summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  padding: 13px 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

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

.page-contact .contact-step > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--muted-ink);
}

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

.page-contact .contact-step > summary:hover,
.page-contact .contact-step > summary:focus-visible {
  color: var(--mint-deep);
}

.page-contact .contact-step__idx {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mint-deep);
}

.page-contact .contact-step p {
  margin: 0 0 14px;
  padding-left: 30px;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted-ink);
}

.page-contact .contact-address {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 30px);
  color: #fff;
}

.page-contact .contact-address::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(53, 242, 192, 0.24) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .contact-address > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-address__label {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.page-contact .contact-address__text {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.02rem, 2.2vw, 1.24rem);
  line-height: 1.45;
  color: #fff;
}

.page-contact .contact-address__desc {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-address__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--edge);
  padding-top: clamp(12px, 2vw, 16px);
}

.page-contact .contact-address__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  justify-content: space-between;
  font-size: 0.82rem;
  line-height: 1.6;
}

.page-contact .contact-address__list li > span:first-child {
  color: var(--muted);
}

.page-contact .contact-address__list li > span:last-child {
  color: var(--mint);
  word-break: break-all;
  text-align: right;
}

/* —— 服务范围与处理顺序 —— */
.page-contact .contact-scope {
  list-style: none;
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-scope .tag {
  border: 1px solid var(--edge);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-radius: 999px;
}

.page-contact .contact-flow {
  list-style: none;
  margin: 0 0 clamp(22px, 4vw, 36px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-flow li {
  background: var(--navy);
  padding: clamp(18px, 2.8vw, 28px);
  display: grid;
  gap: 8px;
}

.page-contact .contact-flow__num {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .contact-flow__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin: 0;
  color: #fff;
}

.page-contact .contact-flow p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .contact-band__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 72ch;
}

.page-contact .contact-band__note a {
  color: var(--mint);
  border-bottom-color: rgba(53, 242, 192, 0.35);
}

.page-contact .contact-band__note a:hover,
.page-contact .contact-band__note a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

@media (min-width: 720px) {
  .page-contact .route-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-contact .contact-band--split {
    padding-top: clamp(8px, 1.4vw, 16px);
  }
}

@media (min-width: 820px) {
  .page-contact .contact-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 479px) {
  .page-contact .contact-hero__mail-addr {
    font-size: 1rem;
  }

  .page-contact .contact-address__list li {
    justify-content: flex-start;
  }

  .page-contact .contact-address__list li > span:last-child {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}