.page-contact {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: calc(var(--header-h) + 20px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.page-contact .breadcrumb-link {
  color: inherit;
  text-decoration: none;
}

.page-contact .breadcrumb-link:hover {
  color: var(--cyan);
}

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

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.6vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-contact .lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: #C9DBD3;
}

.page-contact .lead a,
.page-contact .type-body a,
.page-contact .note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 200, 0.35);
}

.page-contact .lead a:hover,
.page-contact .type-body a:hover,
.page-contact .note a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-contact .section-head {
  max-width: 760px;
  margin-bottom: 26px;
}

/* 首屏 */
.page-contact .hero-section {
  padding: 22px 0 46px;
}

.page-contact .hero-grid {
  display: grid;
  gap: 30px;
}

.page-contact .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 8.6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .hero-title span {
  display: block;
}

.page-contact .hero-title-em {
  color: var(--cyan);
}

.page-contact .hero-facts {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .hero-facts li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: translateY(-2px);
}

/* 联系信息浮岛 */
.page-contact .desk-card {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%);
}

.page-contact .desk-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  line-height: 0;
}

.page-contact .desk-figure img {
  display: block;
  width: 100%;
  height: clamp(130px, 24vw, 196px);
  object-fit: cover;
  max-width: 100%;
}

.page-contact .desk-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 21, 0.12), rgba(11, 42, 34, 0.96));
}

.page-contact .desk-body {
  padding: 18px 18px 22px;
}

.page-contact .desk-eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .desk-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 15px;
}

.page-contact .desk-item {
  display: grid;
  gap: 5px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.page-contact .desk-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .desk-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .desk-link {
  font-size: clamp(15px, 3.8vw, 17px);
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
}

.page-contact a.desk-link {
  color: var(--cyan);
}

.page-contact a.desk-link:hover {
  color: var(--paper);
}

.page-contact .desk-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.page-contact .copy-mail {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--cyan);
  border: 0;
  padding: 8px 14px;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-contact .copy-mail:hover {
  background: var(--paper);
}

.page-contact .copy-mail:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .copy-status {
  font-size: 12px;
  color: var(--cyan);
  min-height: 1em;
}

.page-contact .desk-hours {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .hours-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.16);
}

/* 问题类型 */
.page-contact .type-section {
  position: relative;
  padding: 44px 0;
  background: var(--ink-3);
}

.page-contact .type-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(28, 59, 50, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 59, 50, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.55;
}

.page-contact .type-section > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .type-list {
  display: grid;
  gap: 12px;
}

.page-contact .type-item {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
}

.page-contact .type-item[open] {
  border-left-color: var(--cyan);
  background: var(--ink);
}

.page-contact .type-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
}

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

.page-contact .type-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
  width: 20px;
  text-align: center;
}

.page-contact .type-item[open] .type-summary::after {
  content: "–";
  color: var(--orange);
}

.page-contact .type-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .type-name {
  font-size: clamp(1rem, 4vw, 1.12rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .type-tag {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  color: var(--cyan);
  border: 1px solid var(--line);
}

.page-contact .type-body {
  padding: 0 16px 18px;
}

.page-contact .type-body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: #B9CDC5;
}

.page-contact .type-need {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .type-need li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .type-need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 2px;
  background: var(--signal);
}

/* 准备清单 */
.page-contact .checklist-section {
  padding: 46px 0;
}

.page-contact .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .check-item {
  padding: 18px 18px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
}

.page-contact .check-item:nth-child(even) {
  border-top-color: var(--orange);
}

.page-contact .check-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .check-heading {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--paper);
}

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

/* 处理流程 */
.page-contact .flow-section {
  padding: 8px 0 48px;
}

.page-contact .flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .flow-step {
  padding: 20px 16px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--signal);
}

.page-contact .flow-step:nth-child(odd) {
  border-top-color: var(--cyan);
}

.page-contact .flow-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-contact .flow-name {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--paper);
}

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

.page-contact .flow-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 14px;
  line-height: 1.7;
  color: #B9CDC5;
}

/* 收束与备案 */
.page-contact .closing-section {
  padding: 0 0 56px;
}

.page-contact .closing-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  line-height: 0;
}

.page-contact .closing-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(150px, 32vw, 320px);
  object-fit: cover;
}

.page-contact .closing-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 21, 0.15), rgba(6, 26, 21, 0.92));
}

.page-contact .closing-bar {
  position: relative;
  margin: -34px 0 0;
  padding: 22px 18px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
}

.page-contact .closing-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .closing-bar p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: #B9CDC5;
}

.page-contact .closing-bar .note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* 断点 */
@media (min-width: 520px) {
  .page-contact .type-tag {
    display: inline-block;
  }

  .page-contact .type-summary {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    padding: 17px 20px;
  }

  .page-contact .type-body {
    padding: 0 20px 20px;
  }

  .page-contact .desk-body {
    padding: 22px 22px 24px;
  }

  .page-contact .closing-bar {
    padding: 24px 24px;
  }
}

@media (min-width: 780px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .flow-num {
    font-size: 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-contact .desk-card {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-contact .type-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
  }

  .page-contact .checklist {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px 20px;
  }

  .page-contact .check-item {
    grid-column: span 6;
  }

  .page-contact .check-item:nth-child(even) {
    margin-top: 30px;
  }

  .page-contact .section-head {
    margin-bottom: 32px;
  }

  .page-contact .closing-bar {
    margin-top: -56px;
    padding: 28px 30px;
    max-width: 860px;
  }
}

@media (min-width: 1120px) {
  .page-contact .hero-section {
    padding-bottom: 60px;
  }

  .page-contact .type-section,
  .page-contact .checklist-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-mail,
  .page-contact .desk-link,
  .page-contact .breadcrumb-link {
    transition: none;
  }
}
<<<END>>>