.page-contact {
  --ct-line: 2px solid var(--gold);
  --ct-pad: clamp(18px, 4vw, 32px);
  color: var(--cream);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 48%, var(--ink) 100%);
  overflow-x: clip;
}

.page-contact .sk-mono,
.page-contact .ct-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumbs-wrap {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-contact .ct-crumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(30px, 5vw, 62px) clamp(44px, 7vw, 88px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(58vw, 660px);
  height: 64%;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(212, 169, 74, 0.11) 0 2px,
    transparent 2px 28px
  );
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4.6vw, 48px);
}

.page-contact .ct-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2.05rem, 6.4vw, 4.05rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--cream);
}

.page-contact .ct-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: rgba(244, 240, 230, 0.8);
}

.page-contact .ct-hero__actions {
  margin-top: clamp(22px, 3.4vw, 34px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-board {
  position: relative;
  border: var(--ct-line);
  background: linear-gradient(150deg, var(--felt), var(--ink-2));
  box-shadow: var(--shadow-hard);
  padding: var(--ct-pad);
}

.page-contact .ct-board::after {
  content: "";
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 26px;
  height: 26px;
  background: var(--gold);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.page-contact .ct-board__stamp {
  margin: 0 0 20px;
  padding-bottom: 11px;
  border-bottom: 1px dashed rgba(212, 169, 74, 0.5);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--brass);
}

.page-contact .ct-board__label {
  margin: 0 0 6px;
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--rock);
}

.page-contact .ct-board__big {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 6vw, 2.45rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--brass);
  word-break: break-word;
}

.page-contact .ct-board__rule {
  display: block;
  height: 1px;
  margin: 20px 0;
  background: rgba(212, 169, 74, 0.36);
}

.page-contact .ct-board__mid {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 2.7vw, 1rem);
  line-height: 1.5;
  color: var(--cream);
  word-break: break-all;
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels__head {
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-contact .ct-channels__head .sk-h2 {
  margin: 10px 0 0;
}

.page-contact .ct-channels__lede {
  margin: 14px 0 0;
  max-width: 52ch;
  color: rgba(244, 240, 230, 0.76);
}

.page-contact .ct-channels__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
}

.page-contact .ct-map {
  margin: 0;
  border: var(--ct-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  padding: 10px 10px 14px;
}

.page-contact .ct-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-contact .ct-map__cap {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--clay);
  font-size: 0.84rem;
  line-height: 1.7;
  color: rgba(244, 240, 230, 0.7);
}

.page-contact .ct-channel-list {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .ct-channel {
  border: 2px solid rgba(212, 169, 74, 0.32);
  background: linear-gradient(135deg, var(--ink-2), var(--felt));
  box-shadow: var(--shadow-mid);
  padding: clamp(16px, 3vw, 24px);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease),
    box-shadow 0.22s var(--ease);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  border-color: var(--gold);
  transform: translate(-1px, -1px);
  box-shadow: 8px 8px 0 rgba(6, 20, 15, 0.55);
}

.page-contact .ct-channel__idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--clay);
}

.page-contact .ct-channel__title {
  margin: 0 0 10px;
  color: var(--cream);
}

.page-contact .ct-channel__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(0.86rem, 2.9vw, 1.06rem);
  line-height: 1.45;
  color: var(--brass);
  word-break: break-all;
}

.page-contact .ct-channel__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(0.9rem, 2.6vw, 1rem);
  line-height: 1.7;
  letter-spacing: 0.01em;
  word-break: normal;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(244, 240, 230, 0.72);
}

/* ---------- 邮件格式 ---------- */
.page-contact .ct-mail {
  background: linear-gradient(90deg, var(--ink-2), rgba(18, 59, 46, 0.2));
  border-top: 1px solid rgba(212, 169, 74, 0.24);
  border-bottom: 1px solid rgba(212, 169, 74, 0.24);
}

.page-contact .ct-mail__inner {
  display: grid;
  gap: clamp(22px, 3.6vw, 34px);
}

.page-contact .ct-mail__aside .sk-h2 {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
}

.page-contact .ct-mail__note {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(244, 240, 230, 0.76);
}

.page-contact .ct-mail__vertical {
  margin: 20px 0 0;
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid rgba(212, 169, 74, 0.5);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--brass);
}

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

.page-contact .ct-fold {
  border: 2px solid rgba(212, 169, 74, 0.34);
  background: var(--ink-2);
  transition: border-color 0.2s var(--ease);
}

.page-contact .ct-fold:hover {
  border-color: rgba(212, 169, 74, 0.7);
}

.page-contact .ct-fold[open] {
  border-color: var(--gold);
  background: var(--felt);
}

.page-contact .ct-fold > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-weight: 800;
  font-size: clamp(0.95rem, 2.6vw, 1.08rem);
  letter-spacing: 0.01em;
  color: var(--cream);
}

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

.page-contact .ct-fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--gold);
}

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

.page-contact .ct-fold__body {
  padding: 0 18px 18px;
  border-top: 1px solid rgba(212, 169, 74, 0.28);
  margin-top: -1px;
}

.page-contact .ct-fold__body p {
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.8);
}

/* ---------- 记录问题 ---------- */
.page-contact .ct-archive__head {
  margin-bottom: clamp(20px, 3.2vw, 32px);
}

.page-contact .ct-archive__head .sk-h2 {
  margin: 10px 0 0;
}

.page-contact .ct-archive__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  color: rgba(244, 240, 230, 0.76);
}

.page-contact .ct-archive__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid rgba(212, 169, 74, 0.42);
}

.page-contact .ct-archive__rows li {
  display: grid;
  gap: 5px;
  padding: 15px 6px 15px 16px;
  border-bottom: 1px solid rgba(212, 169, 74, 0.2);
  border-left: 3px solid transparent;
  transition: border-left-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-archive__rows li:hover {
  border-left-color: var(--gold);
  background: rgba(28, 90, 67, 0.34);
}

.page-contact .ct-archive__key {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--brass);
}

.page-contact .ct-archive__val {
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(244, 240, 230, 0.8);
}

.page-contact .ct-archive__foot {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--teal);
  background: rgba(16, 21, 18, 0.4);
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.72);
}

/* ---------- 纠错与合作 ---------- */
.page-contact .ct-partner__head {
  margin-bottom: clamp(20px, 3.2vw, 32px);
}

.page-contact .ct-partner__head .sk-h2 {
  margin: 10px 0 0;
}

.page-contact .ct-partner__grid {
  display: grid;
  gap: 16px;
}

.page-contact .ct-partner__card {
  position: relative;
  border: 2px solid rgba(212, 169, 74, 0.28);
  background: linear-gradient(160deg, var(--ink-2), var(--felt));
  padding: clamp(18px, 3vw, 26px);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .ct-partner__card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-contact .ct-partner__idx {
  margin: 0 0 12px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--brass);
}

.page-contact .ct-partner__card .sk-h3 {
  margin: 0 0 10px;
  color: var(--cream);
}

.page-contact .ct-partner__card p:last-child {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.75);
}

/* ---------- 服务时间 ---------- */
.page-contact .ct-hours__inner {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-contact .ct-hours__fig {
  margin: 0;
  border: var(--ct-line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-contact .ct-hours__copy .sk-h2 {
  margin: 10px 0 0;
  font-size: clamp(1.45rem, 4.2vw, 2.2rem);
}

.page-contact .ct-hours__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid rgba(212, 169, 74, 0.3);
}

.page-contact .ct-hours__list li {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(212, 169, 74, 0.18);
}

.page-contact .ct-hours__time {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .ct-hours__text {
  font-size: 0.91rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.78);
}

/* ---------- 结尾条 ---------- */
.page-contact .ct-next {
  padding-block: clamp(28px, 4.4vw, 52px) clamp(52px, 8vw, 92px);
}

.page-contact .ct-next__bar {
  display: grid;
  gap: 20px;
  border: var(--ct-line);
  background: linear-gradient(120deg, var(--felt), var(--ink-2));
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3.4vw, 32px);
}

.page-contact .ct-next__text {
  margin: 0;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.82);
}

.page-contact .ct-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-archive__rows li {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .ct-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-hours__list li {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
    align-items: start;
  }

  .page-contact .ct-board {
    margin-top: 28px;
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }

  .page-contact .ct-mail__inner {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-contact .ct-mail__vertical {
    writing-mode: vertical-rl;
    margin-top: 26px;
    padding: 14px 9px;
    letter-spacing: 0.3em;
  }

  .page-contact .ct-hours__inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-contact .ct-next__bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}