.page-contact {
  --pc-space: 52px;
  padding-block: 8px 56px;
}

.page-contact .breadcrumb {
  margin-bottom: 10px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-block: 14px 4px;
}

.page-contact .contact-hero__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-contact .contact-hero__label::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  line-height: 1.12;
}

.page-contact .contact-hero .lede {
  margin: 0;
  max-width: 34em;
}

.page-contact .hero-plate {
  position: relative;
  display: grid;
  align-content: end;
  gap: 6px;
  min-height: 176px;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background:
    radial-gradient(140% 110% at 100% 0%, rgba(62, 224, 212, 0.18), transparent 62%),
    linear-gradient(158deg, #0E4B52 -12%, var(--panel) 56%, var(--ink) 100%);
  overflow: hidden;
}

.page-contact .hero-plate::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(62, 224, 212, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62, 224, 212, 0.09) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 62%);
  mask-image: linear-gradient(180deg, transparent, #000 62%);
  pointer-events: none;
}

.page-contact .hero-plate__spine {
  position: absolute;
  top: 16px;
  right: 12px;
  writing-mode: vertical-rl;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--mist);
  opacity: 0.85;
}

.page-contact .hero-plate__tag {
  position: relative;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .hero-plate__time {
  position: relative;
  margin: 0;
  font-size: clamp(28px, 7vw, 42px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-contact .hero-plate__desc {
  position: relative;
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 渠道区 ---------- */
.page-contact .section {
  margin-top: var(--pc-space);
  padding-block: 0;
}

.page-contact .section-title {
  margin: 0 0 8px;
}

.page-contact .note {
  margin: 0;
  max-width: 40em;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 22px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--panel);
  transition: border-color var(--t-fast) ease;
}

.page-contact .channel-card:hover {
  border-color: var(--line);
  border-top-color: var(--cyan-soft);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .channel-dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(62, 224, 212, 0.14);
  flex: none;
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .channel-card__value {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  color: var(--cyan-soft);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--paper);
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .copy-btn {
  align-self: flex-start;
  padding: 6px 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease,
    background-color var(--t-fast) ease;
}

.page-contact .copy-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-contact .copy-btn:active {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
}

.page-contact .channel-card__map {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  margin-top: auto;
  border: 1px solid var(--line);
}

/* ---------- 来信材料 ---------- */
.page-contact .materials {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .material-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .material-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0 18px;
  border-top: 1px solid var(--line);
}

.page-contact .material-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .material-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--amber);
}

.page-contact .material-list h3 {
  margin: 0 0 5px;
  font-size: 16px;
  color: var(--paper);
}

.page-contact .material-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .letter-template {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--layer);
}

.page-contact .letter-template summary {
  display: block;
  padding: 14px 16px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

.page-contact .letter-template summary::-webkit-details-marker {
  display: none;
}

.page-contact .letter-template summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mist);
}

.page-contact .letter-template[open] summary::after {
  content: "−";
  color: var(--amber);
}

.page-contact .letter-template pre {
  margin: 0;
  padding: 0 16px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--mist);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .materials__figure {
  margin: 0;
}

.page-contact .materials__figure .figure__frame {
  border: 1px solid var(--line);
  background: var(--layer);
}

.page-contact .materials__figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 问题分流 ---------- */
.page-contact .filter-status {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .filter-status:empty {
  display: none;
}

.page-contact .routing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 20px;
}

.page-contact .routing-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  background: var(--layer);
  transition: border-color var(--t-fast) ease;
}

.page-contact .routing-card:hover {
  border-left-color: var(--cyan);
}

.page-contact .route-tag {
  align-self: flex-start;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid var(--line);
}

.page-contact .routing-card h3 {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .routing-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .routing-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .routing-card__list li::before {
  content: "—";
  margin-right: 8px;
  font-family: var(--font-mono);
  color: var(--cyan);
}

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

/* ---------- 自助查询 ---------- */
.page-contact .selfcheck {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .selfcheck li {
  border-left: 2px solid var(--line);
  padding: 12px 0 12px 16px;
  transition: border-color var(--t-fast) ease;
}

.page-contact .selfcheck li:hover {
  border-left-color: var(--cyan);
}

.page-contact .selfcheck p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .selfcheck strong {
  color: var(--paper);
  font-weight: 600;
}

.page-contact .selfcheck a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

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

/* ---------- 工作时间 ---------- */
.page-contact .hours-panel {
  display: grid;
  gap: 16px;
  margin-top: 20px;
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: var(--panel);
}

.page-contact .hours-panel__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 7vw, 44px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-contact .hours-panel__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .hours-panel__body p:last-child {
  margin-bottom: 0;
}

.page-contact .hours-panel__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .hours-panel__body a:hover,
.page-contact .hours-panel__body a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 服务地区与备案 ---------- */
.page-contact .region-list {
  margin: 18px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .region-list > div {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .region-list > div:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .region-list dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .region-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .region-list dd.mono {
  font-family: var(--font-mono);
  color: var(--cyan-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact {
    --pc-space: 64px;
  }

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

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

  .page-contact .hours-panel {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 34px;
    padding: 26px 26px;
  }

  .page-contact .region-list > div {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 44px;
    padding-block: 26px 8px;
  }

  .page-contact .hero-plate {
    min-height: 210px;
  }

  .page-contact .materials {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .routing-card,
  .page-contact .selfcheck li,
  .page-contact .copy-btn {
    transition: none;
  }
}
<<<END>>>