.page-contact {
  --pc-gold-line: rgba(216, 169, 59, .55);
  --pc-panel: rgba(11, 74, 69, .34);
  --pc-panel-deep: rgba(6, 48, 46, .55);
  --pc-gap: clamp(1.5rem, 3vw, 2.5rem);
  --pc-gutter: clamp(1rem, 2.4vw, 1.75rem);
  position: relative;
}

.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4.5vw, 3rem) clamp(2rem, 5vw, 3.5rem);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -32%;
  right: -20%;
  width: 80%;
  height: 160%;
  background: linear-gradient(152deg, rgba(216, 169, 59, .20), rgba(18, 101, 92, .06) 46%, rgba(6, 48, 46, 0) 74%);
  clip-path: polygon(44% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .pc-kicker {
  margin: clamp(1rem, 3vw, 1.75rem) 0 .6rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .22em;
  color: var(--c-gold-soft);
  text-transform: uppercase;
}

.page-contact .pc-hero__title {
  margin: 0 0 clamp(.9rem, 2vw, 1.4rem);
  max-width: 20ch;
  line-height: 1.14;
}

.page-contact .pc-hero__lead {
  margin: 0;
  max-width: 62ch;
}

.page-contact .pc-hero__figure {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
}

.page-contact .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-soft);
  background: var(--pc-panel-deep);
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-frame__caption {
  padding: .7rem var(--pc-gutter);
  border-top: 1px solid var(--line);
  font-size: .8125rem;
  color: var(--text-muted);
}

/* 服务清单：左索引 / 右条目 */

.page-contact .pc-services {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .pc-index {
  display: grid;
  gap: .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-index__link {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: .75rem;
  row-gap: .15rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--r-plate);
  background: var(--pc-panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color .3s var(--ease-tide), background-color .3s var(--ease-tide), transform .3s var(--ease-tide);
}

.page-contact .pc-index__num {
  grid-row: 1 / span 2;
  font-size: 1.05rem;
  color: var(--c-mist);
  letter-spacing: .04em;
}

.page-contact .pc-index__name {
  grid-column: 2;
  font-size: 1rem;
  font-weight: 600;
}

.page-contact .pc-index__meta {
  grid-column: 2;
  grid-row: 2;
  font-size: .8125rem;
  color: var(--text-muted);
}

.page-contact .pc-index__badge {
  grid-column: 3;
  grid-row: 1;
  align-self: center;
  padding: .15rem .5rem;
  border: 1px solid var(--pc-gold-line);
  border-radius: 999px;
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--c-gold-soft);
}

.page-contact .pc-index__item.is-featured .pc-index__link {
  border-color: var(--pc-gold-line);
  border-left-color: var(--c-gold);
  background: linear-gradient(100deg, rgba(216, 169, 59, .16), rgba(11, 74, 69, .36) 62%);
}

.page-contact .pc-index__item.is-featured .pc-index__num {
  color: var(--c-gold-soft);
}

.page-contact .pc-index__link:hover,
.page-contact .pc-index__link:focus-visible {
  border-left-color: var(--c-gold);
  background: rgba(18, 101, 92, .5);
}

.page-contact .pc-entries {
  display: grid;
  gap: 1rem;
}

.page-contact .pc-entry {
  padding: var(--pc-gutter);
  border: 1px solid var(--line);
  border-radius: var(--r-soft);
  background: var(--pc-panel);
  scroll-margin-top: 7.5rem;
}

.page-contact .pc-entry--featured {
  border-color: var(--pc-gold-line);
  background: linear-gradient(140deg, rgba(216, 169, 59, .12), rgba(6, 48, 46, .5) 58%);
}

.page-contact .pc-entry__label {
  margin: 0 0 .5rem;
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--c-gold-soft);
}

.page-contact .pc-entry__title {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .pc-entry p {
  margin: 0 0 .6rem;
  max-width: 58ch;
}

.page-contact .pc-entry__hint {
  margin: .25rem 0 0;
  font-size: .9375rem;
}

.page-contact .pc-entry__hint a {
  color: var(--c-gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-gold-line);
  padding-bottom: 2px;
}

.page-contact .pc-entry__hint a:hover,
.page-contact .pc-entry__hint a:focus-visible {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

/* 案例合集 */

.page-contact .pc-cases__body {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .pc-cases__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--r-soft);
  overflow: hidden;
  background: var(--line);
}

.page-contact .pc-cases__stats .stat {
  padding: 1.1rem var(--pc-gutter) 1.25rem;
  background: var(--pc-panel-deep);
}

.page-contact .pc-cases__stats .stat__value {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--c-gold-soft);
  line-height: 1.2;
}

.page-contact .pc-cases__stats .stat__label {
  display: block;
  margin-top: .35rem;
  font-size: .8125rem;
  color: var(--text-muted);
}

.page-contact .pc-cases__text p {
  margin: 0 0 1rem;
  max-width: 60ch;
}

.page-contact .pc-cases__text p:last-child {
  margin-bottom: 0;
}

/* 值班节奏 */

.page-contact .pc-duty__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .pc-duty__clock {
  padding: clamp(1.25rem, 3vw, 1.9rem);
  border: 1px solid var(--pc-gold-line);
  border-radius: var(--r-soft);
  background: linear-gradient(140deg, rgba(216, 169, 59, .14), rgba(6, 48, 46, .52) 62%);
}

.page-contact .pc-duty__time {
  margin: 0;
  font-size: clamp(1.9rem, 7vw, 2.6rem);
  letter-spacing: -.01em;
  color: var(--c-gold-soft);
  line-height: 1.1;
}

.page-contact .pc-duty__zone {
  margin: .5rem 0 0;
  font-size: .875rem;
  letter-spacing: .16em;
  color: var(--c-mist);
}

.page-contact .pc-duty__desc {
  margin: 1rem 0 0;
  max-width: 40ch;
  font-size: .9375rem;
}

.page-contact .pc-duty__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-duty__item {
  display: grid;
  gap: .35rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-duty__key {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--c-gold-soft);
}

.page-contact .pc-duty__item p {
  margin: 0;
  max-width: 58ch;
}

/* 联系渠道 */

.page-contact .pc-channels {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .pc-channels__list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: .45rem 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-channel__key {
  grid-column: 1;
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--c-mist);
}

.page-contact .pc-channel__value {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 3.4vw, 1.0625rem);
  color: var(--c-white);
  word-break: break-all;
  line-height: 1.6;
}

.page-contact .pc-channel__value--wide {
  word-break: break-word;
  letter-spacing: .01em;
}

.page-contact .pc-copy {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  padding: .5rem 1rem;
  border: 1px solid var(--pc-gold-line);
  border-radius: var(--r-plate);
  background: rgba(216, 169, 59, .1);
  color: var(--c-gold-soft);
  font-family: var(--font-body);
  font-size: .8125rem;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background-color .25s var(--ease-tide), color .25s var(--ease-tide);
}

.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(216, 169, 59, .24);
  color: var(--c-white);
}

.page-contact .pc-channels__note {
  margin: 1.1rem 0 0;
  max-width: 56ch;
  font-size: .875rem;
  color: var(--text-muted);
}

.page-contact .pc-channels__figure {
  margin: 0;
}

/* 发消息之前的准备清单 */

.page-contact .pc-prep__lead {
  margin: .75rem 0 clamp(1.25rem, 3vw, 1.9rem);
  font-size: .9375rem;
  color: var(--text-muted);
}

.page-contact .pc-prep {
  display: grid;
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
  padding: .95rem var(--pc-gutter);
  border: 1px solid var(--line);
  border-radius: var(--r-plate);
  background: var(--pc-panel);
  transition: border-color .25s var(--ease-tide);
}

.page-contact .pc-prep__item:has(input:checked) {
  border-color: var(--pc-gold-line);
  background: linear-gradient(100deg, rgba(216, 169, 59, .1), rgba(11, 74, 69, .3) 60%);
}

.page-contact .pc-prep input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  margin: .25rem 0 0;
  accent-color: var(--c-gold);
  cursor: pointer;
}

.page-contact .pc-prep label {
  display: grid;
  gap: .3rem;
  cursor: pointer;
}

.page-contact .pc-prep__title {
  font-size: 1rem;
  font-weight: 600;
}

.page-contact .pc-prep__desc {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 备案与声明 */

.page-contact .pc-legal__row {
  display: grid;
  gap: .85rem;
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-contact .pc-legal__item {
  display: grid;
  gap: .3rem;
  margin: 0;
}

.page-contact .pc-legal__key {
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--c-mist);
}

.page-contact .pc-legal__value {
  font-size: .9375rem;
  color: var(--text);
  line-height: 1.7;
}

.page-contact .pc-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1rem;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
}

/* 焦点可见性 */

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact input:focus-visible,
.page-contact label:focus-visible {
  outline: 2px solid var(--c-gold-soft);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 平板及以上 */

@media (min-width: 720px) {
  .page-contact .pc-cases__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-duty__item {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }

  .page-contact .pc-legal__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 2.5rem;
  }
}

/* 桌面：清单与说明横向分栏 */

@media (min-width: 960px) {
  .page-contact .pc-services {
    grid-template-columns: minmax(230px, 290px) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-contact .pc-index {
    position: sticky;
    top: 7.5rem;
  }

  .page-contact .pc-cases__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 3rem);
    align-items: start;
  }

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

  .page-contact .pc-duty__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-contact .pc-channels {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: clamp(2rem, 4vw, 3rem);
    align-items: start;
  }
}

/* 减动效偏好 */

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-index__link,
  .page-contact .pc-copy,
  .page-contact .pc-prep__item {
    transition: none;
  }
}