.page-contact {
  --contact-panel: rgba(18, 51, 41, .62);
  --contact-panel-soft: rgba(18, 51, 41, .34);
  --contact-grid-line: rgba(140, 154, 148, .06);
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .breadcrumb {
  padding-top: clamp(1.1rem, 3vw, 1.9rem);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: .4rem;
  color: var(--line);
}

.page-contact .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms linear, border-color 180ms linear;
}

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

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏联络台 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 78% 12%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 78% 12%, #000 0%, transparent 72%);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-block: clamp(1.6rem, 4vw, 2.8rem) clamp(2.2rem, 5vw, 4rem);
}

.page-contact .contact-hero-main {
  min-width: 0;
}

.page-contact .contact-eyebrow {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .contact-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: .02em;
  color: var(--paper);
  max-width: 15ch;
}

.page-contact .lede {
  margin: 0;
  max-width: 44ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--paper-70);
}

.page-contact .desk {
  position: relative;
  margin-top: clamp(1.5rem, 3vw, 2.2rem);
  padding: 1.3rem clamp(1.05rem, 2.6vw, 1.75rem) 1.4rem;
  background: linear-gradient(155deg, rgba(18, 51, 41, .95), rgba(7, 27, 22, .96));
  border: 1px solid var(--line);
  border-top: 2px solid var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .desk-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .45rem .9rem;
  margin-bottom: .55rem;
}

.page-contact .desk-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .desk-label--inline {
  flex: none;
  align-self: center;
}

.page-contact .desk-status {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: var(--fs-micro);
  letter-spacing: .04em;
  color: var(--paper-70);
}

.page-contact .desk-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 0 rgba(255, 155, 74, .55);
  animation: contactPulse 2.6s ease-in-out infinite;
}

@keyframes contactPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 155, 74, .55); }
  50% { box-shadow: 0 0 0 7px rgba(255, 155, 74, 0); }
}

.page-contact .desk-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem .7rem;
  min-width: 0;
  padding-block: .3rem;
}

.page-contact .desk-line--phone {
  margin-top: .35rem;
  padding-top: .7rem;
  border-top: 1px solid var(--line-soft);
}

.page-contact .desk-value {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.6vw, 1.28rem);
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .desk-value--phone {
  letter-spacing: .08em;
}

.page-contact .copy-btn {
  flex: none;
  padding: .28rem .68rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  color: var(--lime);
  background: rgba(184, 255, 61, .08);
  border: 1px solid rgba(184, 255, 61, .34);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 180ms linear, color 180ms linear, border-color 180ms linear;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  outline: none;
}

.page-contact .copy-btn.is-done {
  background: var(--ice);
  border-color: var(--ice);
  color: var(--ink);
}

.page-contact .desk-tip {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px dashed var(--line-soft);
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 首屏视觉 ---------- */
.page-contact .hero-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(.78) contrast(1.06);
}

.page-contact .hero-visual::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(184, 255, 61, .2);
  pointer-events: none;
}

.page-contact .hero-tag {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .7rem;
  background: rgba(7, 27, 22, .86);
  border-left: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .06em;
  color: var(--paper);
}

/* ---------- 章节抬头 ---------- */
.page-contact .block-head {
  margin-bottom: clamp(1.3rem, 3vw, 1.9rem);
  max-width: 62ch;
}

.page-contact .block-title {
  margin: 0 0 .55rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-contact .block-note {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--steel);
  max-width: 52ch;
}

/* ---------- 咨询分类 ---------- */
.page-contact .routes {
  padding-block: clamp(2.4rem, 5vw, 3.8rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .routes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-contact .routes-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .routes-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(.72) contrast(1.05);
}

.page-contact .routes-visual figcaption {
  padding: .7rem .9rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .06em;
  color: var(--steel);
}

.page-contact .routes-body {
  min-width: 0;
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-contact .filter-btn {
  padding: .42rem .85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  color: var(--paper-70);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms linear, border-color 180ms linear, background 180ms linear;
}

.page-contact .filter-btn:hover,
.page-contact .filter-btn:focus-visible {
  color: var(--lime);
  border-color: var(--lime-dark);
  outline: none;
}

.page-contact .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .route-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .85rem;
  margin-top: 1.1rem;
}

.page-contact .route-card {
  min-width: 0;
  padding: 1.05rem 1.05rem 1.15rem;
  background: linear-gradient(170deg, var(--contact-panel), rgba(7, 27, 22, .55));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color 180ms linear;
}

.page-contact .route-card:hover {
  border-color: rgba(184, 255, 61, .38);
}

.page-contact .route-card[hidden] {
  display: none;
}

.page-contact .route-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  color: var(--lime);
}

.page-contact .route-card h3 {
  margin: .4rem 0 .55rem;
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .route-card p {
  margin: 0 0 .75rem;
  font-size: var(--fs-note);
  line-height: 1.72;
  color: var(--paper-70);
}

.page-contact .route-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .35rem;
}

.page-contact .route-card li {
  position: relative;
  padding-left: .95rem;
  font-size: var(--fs-note);
  line-height: 1.62;
  color: var(--steel);
}

.page-contact .route-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 5px;
  height: 5px;
  background: var(--ice);
  transform: rotate(45deg);
}

/* ---------- 提交清单 ---------- */
.page-contact .brief {
  padding-block: clamp(2.4rem, 5vw, 3.8rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .brief-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-contact .brief-intro {
  min-width: 0;
}

.page-contact .brief-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  padding: .95rem 0 .95rem 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .brief-item:first-child {
  padding-top: .15rem;
}

.page-contact .brief-item:last-child {
  border-bottom: 0;
}

.page-contact .brief-idx {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  color: var(--orange);
  padding-top: .28rem;
}

.page-contact .brief-item strong {
  display: block;
  margin-bottom: .22rem;
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--paper);
}

.page-contact .brief-item p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--paper-70);
}

/* ---------- 地址与备案 ---------- */
.page-contact .register {
  padding-block: clamp(2rem, 4vw, 3rem) 0;
}

.page-contact .register-strip {
  border: 1px solid var(--line);
  background: var(--ink-2);
}

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

.page-contact .register-cell {
  padding: .95rem 1.1rem;
  border-bottom: 1px solid var(--line-soft);
  min-width: 0;
}

.page-contact .register-cell:last-child {
  border-bottom: 0;
}

.page-contact .register-label {
  display: block;
  margin-bottom: .38rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .register-value {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .register-value--mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-contact .register-note {
  margin: .85rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.72;
  color: var(--steel);
  max-width: 60ch;
}

/* ---------- 自助通道 ---------- */
.page-contact .shortcuts {
  padding-block: clamp(2.4rem, 5vw, 3.6rem) 0;
}

.page-contact .shortcut-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .7rem;
}

.page-contact .shortcut {
  display: grid;
  gap: .3rem;
  padding: 1rem 1.05rem 1.1rem;
  background: var(--contact-panel-soft);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: border-color 180ms linear, background 180ms linear, transform 180ms var(--ease);
}

.page-contact .shortcut:hover,
.page-contact .shortcut:focus-visible {
  border-color: var(--lime);
  background: rgba(184, 255, 61, .07);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .shortcut-kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .shortcut-title {
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.4;
}

.page-contact .shortcut-desc {
  font-size: var(--fs-note);
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .route-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 780px) {
  .page-contact .register-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .register-cell {
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }

  .page-contact .register-cell:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .hero-visual {
    margin-top: .4rem;
  }

  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .routes-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .routes-visual {
    position: sticky;
    top: 6rem;
  }

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

@media (min-width: 1024px) {
  .page-contact .shortcut-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .desk-dot {
    animation: none;
  }

  .page-contact .shortcut {
    transition: none;
  }
}
<<<END>>>