.page-contact {
  --pc-gap: clamp(2.5rem, 6vw, 5rem);
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(3rem, 7vw, 5.5rem);
  color: var(--white);
  background:
    radial-gradient(120% 55% at 88% -8%, rgba(61, 240, 208, 0.1), transparent 62%),
    var(--ink);
  overflow-x: clip;
}

.page-contact .yx-container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

@media (min-width: 1080px) {
  .page-contact .yx-container {
    width: min(1120px, calc(100% - 6rem));
  }
}

@media (min-width: 1280px) {
  .page-contact .yx-container {
    width: min(1120px, calc(100% - var(--rail-l) - var(--rail-r) - 4rem));
  }
}

/* 面包屑 */
.page-contact .yx-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-contact .yx-breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

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

/* 首屏 */
.page-contact .pc-hero {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

.page-contact .pc-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-contact .pc-hero-eyebrow::before {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: currentColor;
}

.page-contact .pc-hero-title {
  margin: 0.9rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.2vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--white);
}

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

.page-contact .pc-hero-lead {
  max-width: 36em;
  font-size: clamp(0.98rem, 1.5vw, 1.06rem);
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .pc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.9rem;
}

.page-contact .pc-hero-figure {
  margin: 0;
}

.page-contact .pc-hero-figure .yx-figure-media {
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--turf);
}

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

.page-contact .yx-figure-caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* 通用区块 */
.page-contact .yx-section {
  margin-top: var(--pc-gap);
}

.page-contact .yx-section-head {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .yx-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .yx-section-head h2,
.page-contact .pc-contact h2,
.page-contact .pc-fix h2,
.page-contact .pc-scope h2 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .yx-section-head h2 {
  margin: 0.55rem 0 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .pc-section-note {
  max-width: 44em;
  margin-top: 0.7rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 240, 208, 0.35);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .pc-inline-link:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* 合作类型分段控件 */
.page-contact .yx-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .yx-tab {
  appearance: none;
  margin-bottom: -1px;
  padding: 0.75rem 1rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--stone);
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .yx-tab:hover {
  color: var(--mist);
}

.page-contact .yx-tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .yx-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-contact [data-tabpanel] {
  padding-block: 0.5rem;
}

.page-contact [data-tabpanel] + [data-tabpanel] {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--line);
}

.page-contact [data-tabpanel] > h3 {
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--white);
}

.page-contact [data-tabpanel]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 8px;
  border-radius: 6px;
}

.page-contact .pc-type-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 760px) {
  .page-contact .pc-type-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 5fr);
    gap: 2rem;
  }
}

.page-contact .pc-type-col h4 {
  margin-bottom: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-contact .pc-type-col p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .pc-type-col p + p {
  margin-top: 0.8rem;
}

.page-contact .pc-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--white);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  transform: translateY(-50%);
}

/* 非对称双栏：流程 / 联系 */
.page-contact .pc-body {
  display: grid;
  gap: var(--pc-gap);
}

@media (min-width: 1000px) {
  .page-contact .pc-body {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }
}

.page-contact .pc-body .yx-section {
  margin-top: 0;
}

@media (min-width: 1000px) {
  .page-contact .pc-aside {
    position: sticky;
    top: calc(var(--top-h) + 1.5rem);
  }
}

/* 四步流程 */
.page-contact .pc-flow {
  display: grid;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 860px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

.page-contact .pc-flow-item {
  position: relative;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.page-contact .pc-flow-item::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(61, 240, 208, 0.12);
}

@media (min-width: 860px) {
  .page-contact .pc-flow-item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: -1px;
    left: 1rem;
    right: -0.75rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(61, 240, 208, 0.55), transparent);
  }
}

.page-contact .pc-flow-idx {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .pc-flow-item h3 {
  margin: 0.55rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--white);
}

.page-contact .pc-flow-item > p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-flow-item details {
  margin-top: 0.8rem;
}

.page-contact .pc-flow-item summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .pc-flow-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-flow-item summary::after {
  content: "+";
  font-size: 0.9rem;
  line-height: 1;
}

.page-contact .pc-flow-item details[open] summary::after {
  content: "–";
}

.page-contact .pc-flow-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 3px;
}

.page-contact .pc-flow-item details p {
  margin-top: 0.6rem;
  padding-left: 0.9rem;
  border-left: 1px solid var(--line);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 联络信息 */
.page-contact .pc-contact {
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--turf);
}

.page-contact .pc-contact h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
}

.page-contact .pc-contact-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.25rem;
}

.page-contact .pc-contact-row {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(27, 58, 50, 0.9);
}

.page-contact .pc-contact-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .pc-contact-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-contact .pc-contact-val {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .pc-contact-row--accent .pc-contact-val {
  color: var(--cyan);
}

.page-contact .yx-contact-note {
  margin-top: 1.1rem;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .pc-contact-figure {
  margin: 1.4rem 0 0;
}

.page-contact .pc-contact-figure .yx-figure-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  background: var(--ink);
}

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

/* 纠错反馈 */
.page-contact .pc-fix {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(160deg, rgba(15, 42, 35, 0.95), rgba(6, 23, 19, 0.9));
}

.page-contact .pc-fix-head {
  max-width: 48em;
}

.page-contact .pc-fix h2 {
  margin: 0.55rem 0 0;
  font-size: clamp(1.4rem, 3vw, 1.95rem);
}

.page-contact .pc-fix-lead {
  margin-top: 0.85rem;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .pc-fix-list {
  display: grid;
  gap: 1rem;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-contact .pc-fix-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 2rem;
  }
}

.page-contact .pc-fix-list li {
  padding: 0.9rem 1.1rem;
  border-left: 2px solid var(--amber);
  border-radius: 0 8px 8px 0;
  background: rgba(6, 23, 19, 0.6);
}

.page-contact .pc-fix-list strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
  color: var(--white);
}

.page-contact .pc-fix-list span {
  display: block;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--stone);
}

/* 服务范围与备案 */
.page-contact .pc-scope-panel {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--turf);
}

@media (min-width: 820px) {
  .page-contact .pc-scope-panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
  }
}

.page-contact .pc-scope h2 {
  margin: 0.55rem 0 0;
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
}

.page-contact .pc-scope-copy p {
  margin-top: 0.85rem;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .pc-scope-meta {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.page-contact .pc-scope-meta > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--line);
}

.page-contact .pc-scope-meta > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .pc-scope-meta dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-contact .pc-scope-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  text-align: right;
  color: var(--cyan);
}

/* 入场动效 */
@media (prefers-reduced-motion: no-preference) {
  .page-contact .pc-hero-copy {
    animation: pc-rise 0.6s var(--ease) both;
  }

  .page-contact .pc-hero-figure {
    animation: pc-rise 0.7s 0.1s var(--ease) both;
  }
}

@keyframes pc-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-hero-copy,
  .page-contact .pc-hero-figure {
    animation: none;
  }
}