.page-contact {
  --ct-accent: var(--electric);
  display: block;
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-lead {
  padding-top: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(20px, 3vw, 36px);
}

.page-contact .ct-lead__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pitch);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-lead__title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-contact .ct-lead__text {
  max-width: 62ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-mid);
}

.page-contact .ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--edge);
  border: 1px solid var(--edge);
}

.page-contact .ct-jump li {
  flex: 1 1 148px;
  background: var(--surface);
}

.page-contact .ct-jump a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--fg-mid);
  text-decoration: none;
  transition: color 120ms ease, background-color 120ms ease;
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  color: var(--fg);
  background: var(--surface-2);
}

.page-contact .ct-jump__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--electric);
  font-variant-numeric: tabular-nums;
}

/* ---------- 三分栏信息板 ---------- */
.page-contact .ct-board-wrap {
  position: relative;
  margin-top: clamp(18px, 2.5vw, 30px);
}

.page-contact .ct-annot {
  display: none;
}

.page-contact .ct-board {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--edge);
  background: var(--surface);
}

.page-contact .ct-col {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border-left: 3px solid var(--ct-accent);
}

.page-contact .ct-col + .ct-col {
  border-top: 1px solid var(--edge);
}

.page-contact .ct-col::after {
  content: "";
  position: absolute;
  inset: 10px;
  pointer-events: none;
  opacity: 0.5;
  background:
    linear-gradient(var(--ct-accent), var(--ct-accent)) left top / 9px 1px no-repeat,
    linear-gradient(var(--ct-accent), var(--ct-accent)) left top / 1px 9px no-repeat,
    linear-gradient(var(--ct-accent), var(--ct-accent)) right bottom / 9px 1px no-repeat,
    linear-gradient(var(--ct-accent), var(--ct-accent)) right bottom / 1px 9px no-repeat;
}

.page-contact .ct-col--mail { --ct-accent: var(--orange); }
.page-contact .ct-col--hours { --ct-accent: var(--pitch); }
.page-contact .ct-col--addr { --ct-accent: var(--electric); }

.page-contact .ct-col__idx {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--ct-accent);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-col__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--fg);
}

.page-contact .ct-col__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-mid);
}

.page-contact .ct-col__note--tight {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--fg-dim);
}

.page-contact .ct-col__foot {
  margin: 14px 0 0;
}

.page-contact .ct-col__legal {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--fg-dim);
}

.page-contact .ct-copy {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  font: inherit;
  color: var(--fg);
  background: var(--surface-2);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 120ms ease, transform 120ms ease;
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-contact .ct-copy[data-state="done"] { border-color: var(--pitch); }
.page-contact .ct-copy[data-state="fail"] { border-color: var(--score-red); }

.page-contact .ct-copy__mail {
  font-size: clamp(13px, 3.4vw, 15px);
  word-break: break-all;
  letter-spacing: 0.01em;
}

.page-contact .ct-phone {
  margin: 0 0 4px;
  font-size: clamp(22px, 5.4vw, 28px);
  letter-spacing: 0.03em;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-addr {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--fg);
}

/* ---------- 提交材料 ---------- */
.page-contact .ct-mats-wrap {
  margin-top: clamp(40px, 6vw, 72px);
}

.page-contact .ct-head {
  margin-bottom: clamp(18px, 2.5vw, 26px);
}

.page-contact .ct-h2 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-contact .ct-sub {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-mid);
}

.page-contact .ct-mats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
}

.page-contact .ct-mat {
  padding: clamp(20px, 3vw, 30px);
  background: var(--surface);
  border-top: 2px solid var(--edge);
}

.page-contact .ct-mat--collab { border-top-color: var(--violet); }
.page-contact .ct-mat--fix { border-top-color: var(--score-red); }

.page-contact .ct-mat__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
}

.page-contact .ct-mat__title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
}

.page-contact .ct-mat__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-mid);
}

.page-contact .ct-mat__tip {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-contact .ct-details {
  margin-top: 16px;
  background: var(--surface-2);
  border: 1px solid var(--edge);
}

.page-contact .ct-details summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--fg);
  cursor: pointer;
  list-style: none;
  transition: color 120ms ease;
}

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

.page-contact .ct-details summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--electric);
}

.page-contact .ct-details[open] summary::after { content: "－"; }

.page-contact .ct-details summary:hover { color: var(--orange); }

.page-contact .ct-details ul {
  margin: 0;
  padding: 0 18px 18px 32px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-mid);
}

.page-contact .ct-details li + li { margin-top: 6px; }

/* ---------- 自助入口 ---------- */
.page-contact .ct-self {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 44px);
  align-items: start;
  margin-top: clamp(40px, 6vw, 72px);
}

.page-contact .ct-self__list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--edge);
}

.page-contact .ct-self__list li { border-bottom: 1px solid var(--edge); }

.page-contact .ct-self__list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 14px 2px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg);
  text-decoration: none;
  transition: color 120ms ease, padding-left 120ms ease;
}

.page-contact .ct-self__list a:hover,
.page-contact .ct-self__list a:focus-visible {
  color: var(--orange);
  padding-left: 10px;
}

.page-contact .ct-self__list strong {
  font-weight: 700;
  color: inherit;
}

.page-contact .ct-idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--electric);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-self__fig {
  margin: 0;
  border: 1px solid var(--edge);
  background: var(--surface);
}

.page-contact .ct-self__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-self__fig figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
  border-top: 1px solid var(--edge);
}

/* ---------- 底部收束 ---------- */
.page-contact .ct-close {
  margin-top: clamp(44px, 7vw, 84px);
  border-top: 1px solid var(--edge);
}

.page-contact .ct-close__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: clamp(24px, 3vw, 36px);
  padding-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-close__text {
  max-width: 58ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-mid);
}

.page-contact .ct-close__media {
  position: relative;
  line-height: 0;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.page-contact .ct-close__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.page-contact .ct-close__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10, 17, 34, 0.72) 0%, rgba(10, 17, 34, 0) 42%, rgba(10, 17, 34, 0.86) 100%);
}

.page-contact .ct-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: clamp(18px, 2.5vw, 26px);
  padding-bottom: clamp(18px, 2.5vw, 26px);
}

.page-contact .ct-close__links a {
  font-size: 13px;
  color: var(--fg-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}

.page-contact .ct-close__links a:hover,
.page-contact .ct-close__links a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-mats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-board {
    grid-template-columns: 1.15fr 1fr 1fr;
  }

  .page-contact .ct-col + .ct-col {
    border-top: 0;
  }

  .page-contact .ct-self {
    grid-template-columns: 1.35fr 1fr;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-annot {
    display: block;
    position: absolute;
    top: 20px;
    right: -22px;
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--fg-dim);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy:hover,
  .page-contact .ct-copy:focus-visible {
    transform: none;
  }

  .page-contact .ct-self__list a:hover,
  .page-contact .ct-self__list a:focus-visible {
    padding-left: 2px;
  }
}