.page-contact {
  --c-gap: clamp(18px, 3vw, 32px);
  --c-line: rgba(125, 242, 176, 0.28);
  padding-bottom: clamp(56px, 8vw, 96px);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin-top: 26px;
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--edge);
  border-radius: var(--r-m);
  background: var(--grad-cool);
  overflow: hidden;
}

.page-contact .contact-hero::before,
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  width: 54px;
  height: 54px;
  border: 1px solid var(--c-line);
  pointer-events: none;
}

.page-contact .contact-hero::before {
  top: 14px;
  left: 14px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .contact-hero::after {
  right: 14px;
  bottom: 14px;
  border-left: 0;
  border-top: 0;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.24;
  color: var(--white);
  max-width: 24em;
}

.page-contact .contact-hero .lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .hero-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--edge);
  list-style: none;
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .hero-facts__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.02em;
  color: var(--apple);
  min-width: 5.6em;
}

.page-contact .hero-facts__txt {
  font-size: 14px;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--c-gap);
  }
  .page-contact .hero-facts li {
    flex-direction: column;
    gap: 4px;
    padding-left: 16px;
    border-left: 2px solid var(--edge);
  }
  .page-contact .hero-facts__num {
    min-width: 0;
  }
}

/* ---------- 通道画板 ---------- */
.page-contact .section-rule {
  margin: 0;
}

.page-contact .channel-map {
  margin: 0 0 var(--c-gap);
}

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

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--c-gap);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px;
  border: 1px solid var(--edge);
  border-top-width: 3px;
  border-top-color: var(--steel);
  border-radius: var(--r-m);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .channel-card--sync {
  border-top-color: var(--apple);
}

.page-contact .channel-card--partner {
  border-top-color: var(--amber);
}

.page-contact .channel-card--fix {
  border-top-color: var(--steel);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--apple);
  background: rgba(18, 32, 52, 0.92);
}

.page-contact .channel-card h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--edge);
  padding-top: 12px;
}

.page-contact .channel-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  line-height: 1.9;
  color: var(--steel);
}

.page-contact .channel-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.75em;
  width: 6px;
  height: 6px;
  background: var(--apple-deep);
  border-radius: 50%;
}

.page-contact .channel-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 直接联系方式 ---------- */
.page-contact .direct-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--c-gap);
}

.page-contact .direct-card {
  padding: 26px 22px;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--apple);
  border-radius: var(--r-m);
  background: var(--panel);
}

.page-contact .direct-card--phone {
  border-left-color: var(--ember);
}

.page-contact .direct-value {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 38px);
  letter-spacing: -0.01em;
  color: var(--white);
  word-break: break-all;
}

.page-contact .direct-card--phone .direct-value {
  color: var(--amber);
}

.page-contact .direct-note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .direct-aside {
  padding: 24px 22px;
  border-radius: var(--r-m);
  border: 1px solid var(--edge);
}

.page-contact .direct-aside p {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-contact .direct-aside .mono-note {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--edge);
  color: var(--steel);
}

@media (min-width: 860px) {
  .page-contact .direct-grid {
    grid-template-columns: 1.1fr 1fr 0.9fr;
    align-items: stretch;
  }
}

/* ---------- 账号恢复步骤 ---------- */
.page-contact .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--edge);
}

.page-contact .step {
  position: relative;
  padding: 0 0 26px 24px;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--apple-deep);
  box-shadow: 0 0 0 4px rgba(47, 191, 123, 0.16);
}

.page-contact .step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-contact .step h3 {
  margin: 6px 0 6px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 18px;
  color: var(--white);
}

.page-contact .step p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 var(--c-gap);
  }
}

/* ---------- 合作与纠错 ---------- */
.page-contact .coop-grid {
  gap: var(--c-gap);
}

.page-contact .coop-card {
  padding: 26px 22px;
  border: 1px solid var(--edge);
  border-radius: var(--r-m);
  background: var(--panel);
}

.page-contact .coop-card--fix {
  background: rgba(18, 32, 52, 0.82);
  border-style: dashed;
}

.page-contact .coop-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .coop-card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .coop-card a {
  color: var(--apple);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .coop-card a:hover {
  border-bottom-color: var(--apple);
}

/* ---------- 提交路径轨道 ---------- */
.page-contact .route-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--c-gap);
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .route-node {
  position: relative;
  padding: 20px 18px;
  border: 1px solid var(--edge);
  border-radius: var(--r-m);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .route-node:hover {
  border-color: var(--apple-deep);
}

.page-contact .route-node__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--apple);
}

.page-contact .route-node h3 {
  margin: 10px 0 6px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 16px;
  color: var(--white);
}

.page-contact .route-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

@media (min-width: 880px) {
  .page-contact .route-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .page-contact .route-node {
    border-right: 0;
    border-radius: 0;
  }
  .page-contact .route-node:first-child {
    border-radius: var(--r-m) 0 0 var(--r-m);
  }
  .page-contact .route-node:last-child {
    border-right: 1px solid var(--edge);
    border-radius: 0 var(--r-m) var(--r-m) 0;
  }
  .page-contact .route-node::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -6px;
    width: 11px;
    height: 11px;
    border-top: 1px solid var(--apple-deep);
    border-right: 1px solid var(--apple-deep);
    transform: rotate(45deg);
    z-index: 2;
  }
  .page-contact .route-node:last-child::after {
    display: none;
  }
}

.page-contact .timeline-map {
  margin: var(--c-gap) 0 0;
}

.page-contact .timing-notes {
  margin-top: var(--c-gap);
  padding: 22px;
  border: 1px solid var(--edge);
  border-radius: var(--r-m);
  background: var(--glass);
}

.page-contact .timing-notes p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .timing-notes p:last-child {
  margin-bottom: 0;
}

.page-contact .timing-notes .mono-label {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  border: 1px solid var(--edge);
  border-radius: var(--r-s);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--apple);
}

/* ---------- 办公与邮寄 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--c-gap);
}

.page-contact .visit-card {
  padding: 26px 22px;
  border: 1px solid var(--edge);
  border-radius: var(--r-m);
  background: var(--panel);
}

.page-contact .visit-value {
  margin: 12px 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.5;
  color: var(--white);
}

.page-contact .visit-card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .visit-card .mono-note {
  margin-bottom: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--edge);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

@media (min-width: 860px) {
  .page-contact .visit-grid {
    grid-template-columns: 1.15fr 1fr;
  }
}

/* ---------- 通用行内链接 ---------- */
.page-contact .inline-links {
  margin: 24px 0 0;
  padding: 16px 20px;
  border-left: 2px solid var(--amber);
  background: rgba(18, 32, 52, 0.55);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .inline-links a {
  color: var(--apple);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .inline-links a:hover {
  border-bottom-color: var(--apple);
}

.page-contact .chapter:first-of-type {
  margin-top: clamp(40px, 6vw, 64px);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .route-node,
  .page-contact .coop-card a,
  .page-contact .inline-links a {
    transition: none;
  }
}