.page-contact {
  --contact-hair: 1px solid rgba(45, 74, 102, 0.7);
  background: var(--ink);
  color: var(--white);
  font-family: var(--sans);
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--steel);
}
.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 章节节奏 */
.page-contact .c-block {
  padding: clamp(32px, 5.5vw, 72px) 0;
}
.page-contact .c-block.contact-hero {
  padding-top: clamp(16px, 3vw, 28px);
}
.page-contact .section-head {
  max-width: 62ch;
}
.page-contact .section-lead {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--grey);
}

/* 首屏联系面板 */
.page-contact .hero-panel {
  position: relative;
  padding: clamp(20px, 4vw, 44px);
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-contact .hero-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--orange) 100%);
}
.page-contact .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
.page-contact .hero-main h1 {
  margin: 12px 0 0;
  font-size: clamp(26px, 5.2vw, 44px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .hero-lead {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .mail-card {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(16px, 3vw, 26px);
  background: var(--panel-2);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
}
.page-contact .mail-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  font-weight: 700;
}
.page-contact .mail-link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(17px, 3.4vw, 30px);
  line-height: 1.3;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 3px solid var(--cyan);
  overflow-wrap: anywhere;
}
.page-contact .mail-link:hover,
.page-contact .mail-link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-bottom-color: var(--ink);
}
.page-contact .mail-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .contact-lines {
  display: grid;
  gap: 4px;
  margin: clamp(20px, 3vw, 28px) 0 0;
}
.page-contact .contact-line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-top: 12px;
  border-top: var(--contact-hair);
}
.page-contact .contact-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grey);
}
.page-contact .contact-value {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}
.page-contact .contact-value a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
}
.page-contact .contact-value a:hover,
.page-contact .contact-value a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .hero-media {
  border: var(--edge);
  box-shadow: var(--shadow-soft);
  background: var(--panel-2);
}
.page-contact .hero-aside .media-caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}
.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .hero-actions li {
  flex: 1 1 auto;
}
.page-contact .hero-actions .btn {
  width: 100%;
  text-align: center;
}

/* 反馈类型 */
.page-contact .type-grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
  margin-top: clamp(22px, 3.5vw, 34px);
}
.page-contact .type-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
}
.page-contact .type-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  background: var(--cyan);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.5);
}
.page-contact .type-card:nth-child(2) .type-badge {
  background: var(--orange);
}
.page-contact .type-card:nth-child(3) .type-badge {
  background: var(--lime);
}
.page-contact .type-title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}
.page-contact .type-scene {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--grey);
}
.page-contact .type-label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-contact .type-mats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .type-mats li {
  padding: 5px 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--white);
  background: var(--panel-2);
  border: 1px solid var(--steel);
}

.page-contact .type-figure {
  margin: clamp(22px, 3.5vw, 34px) 0 0;
}
.page-contact .type-figure .media-frame {
  border: var(--edge);
  box-shadow: var(--shadow-soft);
  background: var(--panel-2);
}
.page-contact .type-figure .media-caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}

/* 材料清单 */
.page-contact .check-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(22px, 3.5vw, 34px);
}
.page-contact .check-panel {
  padding: clamp(18px, 3vw, 30px);
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--shadow-hard);
}
.page-contact .check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .check-list label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel-2);
  border: 1px solid var(--steel);
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease;
}
.page-contact .check-list label:hover {
  border-color: var(--cyan);
}
.page-contact .check-list label:focus-within {
  border-color: var(--cyan);
  background: rgba(56, 232, 224, 0.08);
}
.page-contact .check-list input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--cyan);
  cursor: pointer;
}
.page-contact .check-list span {
  font-size: 15px;
  line-height: 1.68;
  color: var(--white);
}
.page-contact .check-list input:checked + span {
  color: var(--grey);
  text-decoration: line-through;
}

.page-contact .check-aside {
  padding: clamp(18px, 3vw, 28px);
  background: var(--panel-2);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
}
.page-contact .aside-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}
.page-contact .aside-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .aside-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}
.page-contact .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

/* 处理流程 */
.page-contact .step-list {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .step {
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--panel);
  border: var(--edge);
  border-top: 4px solid var(--cyan);
  box-shadow: var(--shadow-soft);
}
.page-contact .step:nth-child(2) {
  border-top-color: var(--orange);
}
.page-contact .step:nth-child(3) {
  border-top-color: var(--lime);
}
.page-contact .step:nth-child(4) {
  border-top-color: var(--paper);
}
.page-contact .step-num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--grey);
}
.page-contact .step h3 {
  margin: 8px 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--white);
}
.page-contact .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

/* 备案窄条与收尾 */
.page-contact .record-bar {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
  padding: clamp(18px, 3vw, 26px);
  background: var(--panel-2);
  border: var(--edge);
  border-left: 6px solid var(--orange);
  box-shadow: var(--shadow-soft);
}
.page-contact .record-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-contact .record-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grey);
}
.page-contact .record-value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .closing-links {
  margin: clamp(22px, 3.5vw, 32px) 0 0;
  padding: clamp(16px, 2.6vw, 22px);
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
  background: var(--panel);
  border: var(--edge);
}
.page-contact .closing-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 224, 0.5);
}
.page-contact .closing-links a:hover,
.page-contact .closing-links a:focus-visible {
  border-bottom-color: var(--cyan);
}

@media (min-width: 560px) {
  .page-contact .contact-line {
    grid-template-columns: 64px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 760px) {
  .page-contact .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .record-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .check-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .check-list label {
    transition: none;
  }
}