.page-contact {
  --pc-hair: rgba(201, 210, 220, 0.55);
  --pc-hair-soft: rgba(201, 210, 220, 0.24);
  --pc-body: #3c4a59;
  --pc-body-soft: #5c6b7a;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(26px, 5.4vw, 42px);
  line-height: 1.16;
  margin: 10px 0 0;
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  color: var(--silver);
  background:
    radial-gradient(1100px 480px at 88% -14%, rgba(11, 74, 143, 0.78), transparent 70%),
    radial-gradient(680px 320px at 6% 108%, rgba(31, 182, 201, 0.16), transparent 72%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 8px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--cyan) 46%, var(--orange) 100%);
  opacity: 0.9;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
  padding-top: 28px;
  padding-bottom: clamp(48px, 8vw, 76px);
}

.page-contact .crumb--dark {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(201, 210, 220, 0.72);
}

.page-contact .crumb--dark a {
  color: rgba(201, 210, 220, 0.9);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 210, 220, 0.4);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .crumb--dark a:hover,
.page-contact .crumb--dark a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .crumb--dark .crumb__sep {
  color: rgba(201, 210, 220, 0.45);
}

.page-contact .hero-grid {
  display: grid;
  gap: 34px;
  padding-top: clamp(22px, 4vw, 40px);
}

.page-contact .hero-lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(32px, 8.4vw, 68px);
  line-height: 1.08;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .hero-lead__text {
  max-width: 52ch;
  margin: 18px 0 0;
  font-size: 16px;
  color: rgba(201, 210, 220, 0.9);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-lines {
  border-top: 2px solid var(--pc-hair);
}

.page-contact .contact-line {
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .contact-line__key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-line__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 4.4vw, 25px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-line--tel .contact-line__val {
  font-size: clamp(30px, 7.6vw, 40px);
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-contact .contact-line__val--mail {
  font-size: clamp(14px, 3.5vw, 17px);
}

.page-contact .contact-line__val--sm {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.6;
}

.page-contact .contact-line__note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(201, 210, 220, 0.8);
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-sec {
  padding: clamp(48px, 8vw, 88px) 0;
}

.page-contact .sec-head {
  max-width: 700px;
  margin-bottom: clamp(24px, 4vw, 34px);
}

.page-contact .sec-head__note {
  margin: 14px 0 0;
  font-size: 16px;
  color: var(--pc-body);
}

.page-contact .pc-figure {
  margin: 0 0 clamp(24px, 4vw, 34px);
  border: 1px solid var(--silver);
  background: var(--mist);
}

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

.page-contact .pc-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--silver);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--pc-body-soft);
}

/* ---------- 三条路径 ---------- */
.page-contact .path-grid {
  display: grid;
  gap: 1px;
  background: var(--silver);
  border: 1px solid var(--silver);
}

.page-contact .path {
  background: var(--paper);
  padding: 22px 18px 26px;
  border-top: 6px solid var(--blue);
}

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

.page-contact .path:nth-child(3) {
  border-top-color: var(--cyan);
}

.page-contact .path__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--blue);
}

.page-contact .path:nth-child(2) .path__no {
  color: var(--orange-deep);
}

.page-contact .path:nth-child(3) .path__no {
  color: var(--blue);
}

.page-contact .path__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .path__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-body);
}

.page-contact .path__meta {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .path__meta > div {
  border-top: 1px dashed var(--silver);
  padding-top: 8px;
}

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

.page-contact .path__meta dd {
  margin: 3px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-body);
}

/* ---------- 合肥节点 ---------- */
.page-contact .pc-sec--node {
  background:
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  color: var(--silver);
}

.page-contact .pc-sec--node h2 {
  color: var(--paper);
}

.page-contact .node-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: center;
}

.page-contact .node-copy p {
  margin: 16px 0 0;
  color: rgba(201, 210, 220, 0.88);
}

.page-contact .node-addr {
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 4px solid var(--orange);
  background-color: rgba(248, 250, 252, 0.05);
  background-image:
    linear-gradient(rgba(31, 182, 201, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 182, 201, 0.16) 1px, transparent 1px);
  background-size: 22px 22px;
}

.page-contact .node-addr__key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .node-addr__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .node-addr__note {
  margin: 8px 0 0;
  font-size: 13px;
  color: rgba(201, 210, 220, 0.78);
}

.page-contact .node-media {
  margin: 0;
  border: 1px solid rgba(201, 210, 220, 0.35);
  background: rgba(248, 250, 252, 0.04);
}

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

.page-contact .node-media figcaption {
  padding: 9px 12px;
  border-top: 1px solid rgba(201, 210, 220, 0.28);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(201, 210, 220, 0.75);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-sec--prep {
  background: var(--mist);
}

.page-contact .prep-lead {
  max-width: 60ch;
  margin: 14px 0 0;
  color: var(--pc-body);
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(24px, 4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--silver);
  border: 1px solid var(--silver);
}

.page-contact .prep {
  background: var(--paper);
}

.page-contact .prep label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  cursor: pointer;
}

.page-contact .prep input {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 5px 0 0;
  accent-color: var(--orange);
  cursor: pointer;
}

.page-contact .prep__text {
  color: var(--pc-body);
}

.page-contact .prep__text strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--ink-900);
}

.page-contact .prep label:has(input:checked) {
  background: rgba(240, 122, 42, 0.08);
}

.page-contact .prep-tip {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 14px;
  color: var(--pc-body-soft);
}

/* ---------- 页底入口 ---------- */
.page-contact .pc-sec--reach {
  background: var(--paper);
  border-top: 8px solid var(--orange);
}

.page-contact .reach-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .reach-text {
  margin: 14px 0 0;
  font-size: 16px;
  color: var(--pc-body);
}

.page-contact .reach-links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-contact .reach-links li {
  border-bottom: 1px solid var(--silver);
}

.page-contact .reach-links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 2px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
  text-decoration: none;
  transition: color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-contact .reach-links a span {
  font-family: var(--font-mono);
  color: var(--orange);
  transition: transform 180ms var(--ease);
}

.page-contact .reach-links a:hover,
.page-contact .reach-links a:focus-visible {
  color: var(--blue);
  padding-left: 6px;
}

.page-contact .reach-links a:hover span,
.page-contact .reach-links a:focus-visible span {
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .prep label {
    padding: 18px 22px;
    font-size: 16px;
  }
}

@media (min-width: 860px) {
  .page-contact .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .path {
    padding: 26px 22px 30px;
  }
}

@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.95fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .node-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .crumb--dark a,
  .page-contact .reach-links a,
  .page-contact .reach-links a span {
    transition: none;
  }
}
<<<END>>>