.page-contact {
  --ct-rail: 88px;
  --ct-gap: 40px;
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 92px;
  overflow-x: hidden;
}

.page-contact .section {
  scroll-margin-top: 92px;
  margin-top: 58px;
}

.page-contact .section:first-of-type {
  margin-top: 18px;
}

.page-contact .contact-main {
  min-width: 0;
  overflow-wrap: break-word;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sky-deep);
}

.page-contact .crumb a {
  color: inherit;
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px dashed var(--stone);
}

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

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

/* ---------- 骨架 ---------- */
.page-contact .shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .rail {
  display: block;
  margin-top: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--stone);
}

.page-contact .rail-num {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--flag-deep);
}

.page-contact .rail-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .rail-list li {
  flex: 0 0 auto;
}

.page-contact .rail-list a {
  display: block;
  white-space: nowrap;
  padding: 3px 0 3px 8px;
  border-left: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--sky-deep);
  text-decoration: none;
}

.page-contact .rail-list a:hover,
.page-contact .rail-list a:focus-visible {
  color: var(--flag-deep);
  border-left-color: var(--flag);
}

.page-contact .status-panel {
  display: none;
}

/* ---------- 首屏 ---------- */
.page-contact .hero-frame {
  position: relative;
  background: var(--white);
  border: var(--line);
  padding: 18px 16px 20px;
  display: grid;
  gap: 18px;
}

.page-contact .hero-frame::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--sky) 0 1px, transparent 1px 12px);
  opacity: 0.55;
}

.page-contact .hero-head {
  padding-top: 10px;
}

.page-contact .hero-head h1 {
  margin: 10px 0 0;
  font-size: clamp(28px, 7vw, 44px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .hero-head .lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: #4a3f37;
  max-width: 40em;
}

.page-contact .hero-photo {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--mist);
}

.page-contact .hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(246, 241, 228, 0.22), rgba(46, 127, 184, 0.14));
  pointer-events: none;
}

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

/* ---------- 信封面板 ---------- */
.page-contact .env-panel {
  position: relative;
  margin-top: 20px;
  padding: 60px 20px 26px;
  background: var(--white);
  border: var(--line);
  box-shadow: 8px 8px 0 var(--mist);
}

.page-contact .env-flap {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 46px;
  background: linear-gradient(180deg, var(--sky) 0%, var(--sky-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  pointer-events: none;
}

.page-contact .env-kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--flag-deep);
}

.page-contact .env-rows {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.page-contact .env-row {
  padding: 13px 14px;
  background: var(--paper);
  border-left: 3px solid var(--flag);
}

.page-contact .env-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sky-deep);
}

.page-contact .env-value {
  display: block;
  margin-top: 7px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--indigo);
  word-break: break-word;
}

.page-contact .env-note {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: #4a3f37;
}

/* ---------- 章节头 ---------- */
.page-contact .section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .section-head p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: #4a3f37;
  max-width: 44em;
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .flow-step {
  position: relative;
  padding: 16px 0 16px 26px;
  border-left: 2px dashed var(--stone);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sky);
  box-shadow: 0 0 0 4px var(--paper);
}

.page-contact .flow-step:last-child {
  padding-bottom: 4px;
}

.page-contact .flow-num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--flag-deep);
}

.page-contact .flow-step h3 {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--indigo);
}

.page-contact .flow-time {
  margin: 6px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--sky-deep);
}

.page-contact .flow-step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #4a3f37;
}

.page-contact .flow-figure {
  margin: 26px 0 0;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--line);
  background: var(--mist);
}

/* ---------- 来信写法 ---------- */
.page-contact .tip-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .tip {
  padding: 18px 16px 20px;
  background: var(--white);
  border: var(--line);
  border-top: 3px solid var(--flag);
}

.page-contact .tip-num {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--flag-deep);
}

.page-contact .tip h3 {
  margin: 9px 0 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--indigo);
}

.page-contact .tip > p {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #4a3f37;
}

.page-contact .tip-fields {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--stone);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  font-size: 11.5px;
}

.page-contact .tip-fields dt {
  color: var(--sky-deep);
  letter-spacing: 0.06em;
}

.page-contact .tip-fields dd {
  margin: 0;
  color: var(--ink);
}

/* ---------- 电话与地址 ---------- */
.page-contact .chan-panel {
  position: relative;
  padding: 34px 20px 30px;
  background: var(--indigo);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .chan-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--gold) 0 2px, transparent 2px 14px);
  opacity: 0.9;
}

.page-contact .chan-panel .sec-num {
  color: var(--gold);
}

.page-contact .chan-panel h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.28;
  font-weight: 900;
  color: var(--white);
}

.page-contact .chan-lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(246, 241, 228, 0.82);
  max-width: 42em;
}

.page-contact .chan-grid {
  margin-top: 24px;
  display: grid;
  gap: 18px;
}

.page-contact .chan {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-contact .chan-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .chan-value {
  margin: 9px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--white);
  word-break: break-word;
}

.page-contact .chan-note {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(246, 241, 228, 0.74);
}

.page-contact .chan-ticks {
  margin-top: 26px;
  display: flex;
  gap: 6px;
}

.page-contact .chan-ticks span {
  display: block;
  width: 2px;
  height: 14px;
  background: var(--gold);
  opacity: 0.55;
}

.page-contact .chan-ticks span:nth-child(even) {
  height: 22px;
  opacity: 0.32;
}

/* ---------- 合作联络 ---------- */
.page-contact .partner-grid {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.page-contact .partner-card {
  position: relative;
  padding: 20px 18px 44px;
  background: var(--white);
  border: var(--line);
}

.page-contact .partner-card::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 30px;
  height: 3px;
  background: var(--flag);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--indigo);
}

.page-contact .partner-card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #4a3f37;
}

.page-contact .partner-path {
  padding-top: 12px;
  margin-top: 12px !important;
  border-top: 1px dashed var(--stone);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--sky-deep);
  word-break: break-word;
}

/* ---------- 快捷入口 ---------- */
.page-contact .quick-grid {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.page-contact .quick-card {
  display: flex;
  flex-direction: column;
  padding: 20px 18px 16px;
  background: var(--white);
  border: var(--line);
  border-left: 4px solid var(--sky);
}

.page-contact .quick-card:nth-child(3) {
  border-left-color: var(--flag);
}

.page-contact .quick-num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sky-deep);
}

.page-contact .quick-card h3 {
  margin: 9px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.page-contact .quick-card h3 a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 2px solid var(--mist);
}

.page-contact .quick-card h3 a:hover,
.page-contact .quick-card h3 a:focus-visible {
  color: var(--flag-deep);
  border-bottom-color: var(--flag);
}

.page-contact .quick-card > p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #4a3f37;
}

.page-contact .quick-foot {
  margin-top: auto;
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .quick-cta {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--flag-deep);
  text-decoration: none;
  border-bottom: 1px dashed var(--flag);
  padding-bottom: 2px;
}

.page-contact .quick-cta:hover,
.page-contact .quick-cta:focus-visible {
  color: var(--indigo);
  border-bottom-color: var(--indigo);
}

.page-contact .quick-card .pin-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--stone);
  color: var(--sky-deep);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .quick-card .pin-btn:hover,
.page-contact .quick-card .pin-btn:focus-visible {
  border-color: var(--flag);
  color: var(--flag-deep);
}

.page-contact .quick-card .pin-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stone);
  transition: background 0.2s var(--ease);
}

.page-contact .quick-card .pin-btn[aria-pressed="true"] {
  border-color: var(--flag);
  background: rgba(228, 87, 46, 0.08);
  color: var(--flag-deep);
}

.page-contact .quick-card .pin-btn[aria-pressed="true"] .pin-dot {
  background: var(--flag);
}

.page-contact .quick-tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: #4a3f37;
}

.page-contact .quick-tail a {
  color: var(--sky-deep);
  text-decoration: none;
  border-bottom: 1px dashed var(--stone);
}

.page-contact .quick-tail a:hover,
.page-contact .quick-tail a:focus-visible {
  color: var(--flag-deep);
  border-bottom-color: var(--flag);
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .reveal {
    transform: none !important;
  }

  .page-contact .quick-card .pin-btn,
  .page-contact .quick-card .pin-dot {
    transition: none;
  }
}

/* ---------- 窄屏细节 ---------- */
@media (max-width: 420px) {
  .page-contact .env-panel {
    padding: 56px 15px 22px;
    box-shadow: 5px 5px 0 var(--mist);
  }

  .page-contact .env-value {
    font-size: 15.5px;
  }

  .page-contact .chan-panel {
    padding: 30px 16px 26px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .env-rows {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .hero-frame {
    padding: 22px 20px 24px;
  }

  .page-contact .hero-photo {
    aspect-ratio: 3 / 2;
  }

  .page-contact .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
  }

  .page-contact .quick-card:nth-child(even) {
    margin-top: 24px;
  }

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

  .page-contact .tip:first-child {
    grid-column: 1 / -1;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .shell {
    grid-template-columns: var(--ct-rail) minmax(0, 1fr);
    gap: var(--ct-gap);
    align-items: start;
  }

  .page-contact .rail {
    position: sticky;
    top: 108px;
    margin-top: 26px;
    padding: 0 18px 0 0;
    border-bottom: 0;
    border-right: 1px dashed var(--stone);
  }

  .page-contact .rail-list {
    display: grid;
    gap: 9px;
    overflow: visible;
    margin-top: 14px;
  }

  .page-contact .status-panel {
    display: block;
    margin-top: 22px;
    padding-top: 12px;
    border-top: 1px dashed var(--stone);
    font-size: 11px;
    line-height: 1.6;
    color: var(--sky-deep);
  }

  .page-contact .section {
    margin-top: 76px;
  }

  .page-contact .section:first-of-type {
    margin-top: 26px;
  }

  .page-contact .hero-frame {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 30px;
    padding: 30px 28px;
  }

  .page-contact .hero-head {
    padding-top: 14px;
  }

  .page-contact .env-panel {
    padding: 66px 30px 30px;
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    border-top: 2px dashed var(--stone);
    padding-top: 24px;
  }

  .page-contact .flow-step {
    border-left: 0;
    border-top: 3px solid var(--sky);
    padding: 18px 0 0;
    background: linear-gradient(180deg, rgba(227, 237, 245, 0.55), rgba(227, 237, 245, 0) 62%);
  }

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

  .page-contact .tip-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .tip:first-child {
    grid-column: auto;
  }

  .page-contact .chan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 1180px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .quick-grid {
    gap: 18px 22px;
  }
}
<<<END>>>