.page-contact {
  --c-slant: 44px;
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-contact a {
  color: var(--cyan-400);
}

.page-contact [id] {
  scroll-margin-top: 104px;
}

.page-contact .crumbs {
  padding: 16px 0 0;
  color: var(--muted-400);
  font-size: var(--fs-14);
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  position: relative;
  padding: clamp(26px, 5vw, 52px) 0 clamp(34px, 7vw, 76px);
  overflow: hidden;
}

.page-contact .c-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -180px;
  width: min(640px, 94vw);
  height: min(640px, 94vw);
  background: radial-gradient(circle at 38% 38%, rgba(47, 240, 200, 0.15), rgba(47, 240, 200, 0) 64%);
  pointer-events: none;
}

.page-contact .c-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-contact .c-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .c-hero__title {
  margin: 0 0 16px;
}

.page-contact .c-hero__lede {
  max-width: 34em;
}

.page-contact .c-hero__facts {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-500);
}

.page-contact .c-hero__fact {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-500);
}

.page-contact .c-hero__factkey {
  font-family: var(--font-display);
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-400);
}

.page-contact .c-hero__factval {
  font-size: var(--fs-16);
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-contact .c-hero__media {
  display: grid;
}

.page-contact .c-signal {
  position: relative;
  margin: 0;
  background: var(--ink-800);
  border-radius: var(--r-lg);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--c-slant)), calc(100% - var(--c-slant)) 100%, 0 100%);
}

.page-contact .c-signal img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .c-signal__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 18px 14px;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--cyan-200);
  background: linear-gradient(rgba(5, 18, 14, 0), rgba(5, 18, 14, 0.9));
}

.page-contact .c-hours {
  position: relative;
  z-index: 2;
  margin: -26px 0 0 14px;
  padding: 16px 18px;
  display: grid;
  gap: 4px;
  background: var(--ink-800);
  border: 1px solid var(--line-500);
  border-radius: var(--r-md);
  transition: border-color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease);
}

.page-contact .c-hours:hover,
.page-contact .c-hours:focus-within {
  border-color: var(--gold-400);
  background: var(--ink-700);
}

.page-contact .c-hours__key {
  font-family: var(--font-display);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-400);
}

.page-contact .c-hours__val {
  font-size: var(--fs-28);
  color: var(--gold-400);
  line-height: 1.1;
}

.page-contact .c-hours__note {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted-400);
  max-width: 30em;
}

/* ---------- 索引带 ---------- */
.page-contact .c-index {
  margin-top: clamp(18px, 4vw, 32px);
  padding: 14px 0 16px;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-500);
  border-bottom: 1px solid var(--line-500);
}

.page-contact .c-index__label {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-12);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-400);
}

.page-contact .c-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .c-index__list .index-band__link {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--line-500);
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper-100);
  text-decoration: none;
  transition: border-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}

.page-contact .c-index__list .index-band__link:hover,
.page-contact .c-index__list .index-band__link[data-active] {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

/* ---------- 来意分流 ---------- */
.page-contact .c-intake__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .c-intake__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-500);
}

.page-contact .c-intake__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-500);
}

.page-contact .c-intake__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: var(--fs-20);
  color: var(--gold-400);
  line-height: 1.3;
}

.page-contact .c-intake__label {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--paper-100);
}

.page-contact .c-intake__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted-400);
}

.page-contact .c-pane {
  padding: 18px 20px;
  background: var(--ink-800);
  border-left: 2px solid var(--cyan-400);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.page-contact .c-pane + .c-pane {
  margin-top: 16px;
}

.page-contact .c-pane__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan-200);
}

.page-contact .c-pane__list {
  margin: 0;
  padding-left: 1.1em;
  display: grid;
  gap: 8px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-100);
}

/* ---------- 表格与规则说明 ---------- */
.page-contact .c-corr .table-shell {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .c-corr .data-table caption,
.page-contact .c-corr .data-table th,
.page-contact .c-corr .data-table td {
  overflow-wrap: anywhere;
}

.page-contact .rule-note {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-contact .rule-note__head .num {
  font-size: var(--fs-12);
  color: var(--muted-400);
}

/* ---------- 内容共建 ---------- */
.page-contact .c-build__grid {
  display: grid;
  gap: 16px;
}

.page-contact .c-build__card {
  padding: 20px;
  background: var(--ink-800);
  border: 1px solid var(--line-500);
  border-radius: var(--r-md);
}

.page-contact .c-build__card--jade {
  border-top: 3px solid var(--jade-600);
}

.page-contact .c-build__card--cyan {
  border-top: 3px solid var(--cyan-400);
}

.page-contact .c-build__card--gold {
  border-top: 3px solid var(--gold-400);
}

.page-contact .c-build__idx {
  display: block;
  margin: 0 0 10px;
  font-size: var(--fs-28);
  line-height: 1;
  color: var(--muted-400);
}

.page-contact .c-build__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--paper-100);
}

.page-contact .c-build__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--muted-400);
}

.page-contact .c-build .rule-note {
  margin-top: clamp(28px, 5vw, 48px);
}

/* ---------- 转载与引用 ---------- */
.page-contact .c-reuse__panel {
  margin-top: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line-500);
  border-radius: var(--r-lg);
  padding: clamp(18px, 3vw, 32px);
  background: transparent;
}

.page-contact .c-reuse__row {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-500);
}

.page-contact .c-reuse__row:first-child {
  padding-top: 0;
}

.page-contact .c-reuse__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .c-reuse__key {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .c-reuse__val p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-100);
  max-width: 40em;
}

.page-contact .c-reuse .side-note {
  margin-top: clamp(16px, 3vw, 24px);
}

.page-contact .c-backlink {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

.page-contact .c-backlink .index-band__link {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--line-500);
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper-100);
  text-decoration: none;
  transition: border-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}

.page-contact .c-backlink .index-band__link:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

/* ---------- 其他入口 ---------- */
.page-contact .c-next__list {
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .c-next__item {
  padding: 16px 0;
  border-top: 1px solid var(--line-500);
}

.page-contact .c-next__link {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .c-next__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted-400);
}

/* ---------- 联络横带 ---------- */
.page-contact .c-band {
  position: relative;
  margin-top: clamp(40px, 7vw, 84px);
  background: var(--ink-800);
  border-top: 1px solid var(--line-500);
  overflow: hidden;
}

.page-contact .c-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-400), var(--gold-400), var(--orange-500));
  z-index: 2;
}

.page-contact .c-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

.page-contact .c-band__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(30px, 6vw, 64px) 0;
}

.page-contact .c-band__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--paper-100);
}

.page-contact .c-band__contacts {
  margin: 0;
  border-top: 1px solid var(--line-500);
}

.page-contact .c-band__contacts .contact-item {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-500);
}

.page-contact .c-band__contacts .contact-item__key {
  font-family: var(--font-display);
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-400);
}

.page-contact .c-band__contacts .contact-item__value {
  margin: 0;
  font-size: var(--fs-16);
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-contact .c-band__right {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .c-band__right .contact-note,
.page-contact .c-band__note,
.page-contact .c-band__legal {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted-400);
  max-width: 34em;
}

.page-contact .c-band__icp {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--cyan-200);
}

.page-contact .c-band__legal {
  padding-top: 12px;
  border-top: 1px dashed var(--line-500);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .c-build__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .c-build__card:nth-child(2) {
    margin-top: 28px;
  }

  .page-contact .c-build__card:nth-child(3) {
    margin-top: 56px;
  }

  .page-contact .c-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .c-reuse__row {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .c-hero__media {
    margin-top: -34px;
  }

  .page-contact .c-hours {
    margin: -40px 0 0 clamp(20px, 8%, 80px);
    padding: 18px 22px;
  }

  .page-contact .c-intake__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .c-pane + .c-pane {
    margin-top: 20px;
  }

  .page-contact .c-pane:nth-child(2) {
    margin-left: 28px;
  }

  .page-contact .c-pane:nth-child(3) {
    margin-left: 56px;
  }

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

  .page-contact .c-band__right {
    text-align: right;
  }

  .page-contact .c-band__right .contact-note,
  .page-contact .c-band__note,
  .page-contact .c-band__legal {
    margin-left: auto;
  }
}

@media (min-width: 1200px) {
  .page-contact .c-hero__title {
    letter-spacing: 0.01em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-hours,
  .page-contact .c-index__list .index-band__link,
  .page-contact .c-backlink .index-band__link {
    transition: none;
  }
}