.page-contact {
  --ct-soft: #46586A;
  --ct-grid: rgba(143, 163, 184, 0.16);
  --ct-line-soft: rgba(244, 240, 230, 0.18);
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.22;
  font-weight: 700;
  margin: 10px 0 0;
}

.page-contact h3 {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  margin: 8px 0 0;
}

.page-contact p {
  margin: 10px 0 0;
  line-height: 1.8;
  font-size: 15px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 5vw, 54px) 0 clamp(42px, 6vw, 76px);
  background:
    radial-gradient(120% 100% at 82% 0%, rgba(46, 212, 122, 0.10), transparent 58%),
    radial-gradient(90% 90% at -5% 110%, rgba(255, 107, 74, 0.14), transparent 62%),
    var(--ink-900);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ct-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ct-grid) 1px, transparent 1px);
  background-size: clamp(52px, 6vw, 88px) clamp(52px, 6vw, 88px);
  opacity: 0.75;
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--coral), rgba(255, 107, 74, 0) 62%);
}

.page-contact .ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .ct-hero__main .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate);
}

.page-contact .ct-hero__main .breadcrumbs a {
  color: var(--slate);
  text-decoration: none;
}

.page-contact .ct-hero__main .breadcrumbs a:hover {
  color: var(--coral);
}

.page-contact .ct-hero__main .breadcrumbs .crumb-sep {
  color: rgba(143, 163, 184, 0.6);
}

.page-contact .ct-hero__main .breadcrumbs [aria-current="page"] {
  color: var(--paper);
}

.page-contact .ct-hero .eyebrow {
  margin-top: 22px;
  color: var(--coral);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-contact .ct-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
}

.page-contact .ct-lead {
  max-width: 42ch;
  margin-top: 20px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(244, 240, 230, 0.82);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-hero__actions .btn--ghost {
  color: var(--paper);
  border-color: rgba(244, 240, 230, 0.4);
}

.page-contact .ct-hero__actions .btn--ghost:hover {
  color: var(--coral);
  border-color: var(--coral);
}

.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
  box-shadow: var(--shadow-plate);
}

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

.page-contact .ct-hero__caption {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border-top: 1px solid rgba(143, 163, 184, 0.34);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  background: rgba(10, 27, 42, 0.72);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  background: var(--paper-hi);
  padding: clamp(38px, 5.6vw, 72px) 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .ct-channels__head {
  max-width: 46rem;
}

.page-contact .ct-channels__head .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--wine-900);
}

.page-contact .ct-channels__plates {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .ct-plate {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--paper);
  border: 1px solid var(--line-dark);
  border-top: 3px solid var(--coral);
  box-shadow: var(--shadow-paper);
}

.page-contact .ct-plate .label-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ct-soft);
  border: 1px solid var(--line-dark);
  padding: 3px 8px;
  display: inline-block;
}

.page-contact .ct-mono {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.1vw, 23px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .ct-addr {
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 600;
  color: var(--ink-900);
}

.page-contact .ct-note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ct-soft);
}

.page-contact .ct-plate--addr {
  border-top-color: var(--teal-900);
}

/* ---------- 需求说明 ---------- */
.page-contact .ct-brief {
  background: var(--teal-900);
  color: var(--paper);
  padding: clamp(38px, 5.6vw, 76px) 0;
}

.page-contact .ct-brief__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-brief .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-contact .ct-brief__text {
  color: rgba(244, 240, 230, 0.78);
  max-width: 38ch;
}

.page-contact .ct-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-brief__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .ct-brief__list li:last-child {
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .ct-brief__list .num-frame {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--coral);
  border: 1px solid rgba(255, 107, 74, 0.5);
  padding: 5px 7px;
  height: fit-content;
  align-self: start;
}

.page-contact .ct-brief__list h3 {
  margin: 0;
  color: var(--paper);
}

.page-contact .ct-brief__list p {
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.74);
  max-width: 42ch;
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-coop {
  background: var(--paper);
  padding: clamp(38px, 5.6vw, 80px) 0;
}

.page-contact .ct-coop__head {
  max-width: 44rem;
}

.page-contact .ct-coop__head .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--indigo-900);
}

.page-contact .ct-coop__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .ct-coop__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--ink-800);
  box-shadow: var(--shadow-paper);
}

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

.page-contact .ct-coop__item {
  padding: 18px 18px 18px 20px;
  margin-bottom: 14px;
  background: var(--paper-hi);
  border: 1px solid var(--line-dark);
  border-left: 4px solid var(--indigo-900);
}

.page-contact .ct-coop__item:nth-child(2) {
  border-left-color: var(--coral);
}

.page-contact .ct-coop__item:nth-child(3) {
  border-left-color: var(--teal-900);
}

.page-contact .ct-coop__item:last-child {
  margin-bottom: 0;
}

.page-contact .ct-coop__item .label-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ct-soft);
}

.page-contact .ct-coop__item p {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--ct-soft);
  max-width: 46ch;
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  background: var(--paper-hi);
  padding: clamp(38px, 5.6vw, 76px) 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .ct-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-contact .ct-prep__intro .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-contact .ct-prep__intro p {
  color: var(--ct-soft);
  max-width: 34ch;
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-check {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line-dark);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-check:hover {
  border-color: var(--line-strong);
}

.page-contact .ct-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-check__box {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--line-strong);
  background: #fff;
  position: relative;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-check input:checked ~ .ct-check__box {
  background: var(--signal);
  border-color: var(--signal);
}

.page-contact .ct-check input:checked ~ .ct-check__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(40deg);
}

.page-contact .ct-check input:focus-visible ~ .ct-check__box {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-contact .ct-check__text {
  display: block;
}

.page-contact .ct-check__text strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-contact .ct-check__text small {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ct-soft);
}

/* ---------- 吉林地区 ---------- */
.page-contact .ct-jilin {
  background: var(--paper);
  padding: clamp(34px, 5vw, 68px) 0;
}

.page-contact .ct-jilin__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(22px, 3.2vw, 34px);
  background: var(--paper-hi);
  border: 1px solid var(--line-dark);
  border-left: 6px solid var(--wine-900);
  box-shadow: var(--shadow-paper);
}

.page-contact .ct-jilin__mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--wine-900);
  border: 1px solid rgba(90, 34, 48, 0.4);
  background: rgba(90, 34, 48, 0.07);
}

.page-contact .ct-jilin__body .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--wine-900);
}

.page-contact .ct-jilin__body p {
  color: var(--ct-soft);
  max-width: 56ch;
}

.page-contact .ct-jilin__body .btn {
  margin-top: 18px;
}

/* ---------- 回复与来访 ---------- */
.page-contact .ct-hours {
  background: var(--indigo-900);
  color: var(--paper);
  padding: clamp(36px, 5.2vw, 72px) 0;
}

.page-contact .ct-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-contact .ct-hours__intro .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .ct-hours__intro p {
  color: rgba(244, 240, 230, 0.76);
  max-width: 36ch;
}

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

.page-contact .ct-details {
  background: var(--paper);
  color: var(--black);
  border: 1px solid rgba(244, 240, 230, 0.24);
}

.page-contact .ct-details > summary {
  position: relative;
  padding: 16px 46px 16px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-details > summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--coral);
}

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

.page-contact .ct-details__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line-dark);
}

.page-contact .ct-details__body p {
  margin-top: 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-soft);
}

/* ---------- 继续了解 ---------- */
.page-contact .ct-next {
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(34px, 5vw, 68px) 0 clamp(40px, 5.6vw, 76px);
}

.page-contact .ct-next .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-contact .ct-next h2 {
  color: var(--paper);
}

.page-contact .ct-next__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 32px);
  background: rgba(143, 163, 184, 0.3);
  border: 1px solid rgba(143, 163, 184, 0.3);
}

.page-contact .ct-next__link {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  background: var(--ink-800);
  color: var(--paper);
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-contact .ct-next__link:hover,
.page-contact .ct-next__link:focus-visible {
  background: #0E2437;
}

.page-contact .ct-next__link .num-frame {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--coral);
  border: 1px solid rgba(255, 107, 74, 0.45);
  padding: 5px 7px;
  flex: 0 0 auto;
}

.page-contact .ct-next__label strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
}

.page-contact .ct-next__label small {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-channels__plates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-plate--addr {
    grid-column: 1 / -1;
  }

  .page-contact .ct-jilin__card {
    grid-template-columns: auto 1fr;
    gap: 26px;
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: end;
  }

  .page-contact .ct-brief__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-contact .ct-coop__layout {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: start;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
  }

  .page-contact .ct-hours__grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }

  .page-contact .ct-coop__figure {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 480px) {
  .page-contact .ct-mono {
    font-size: 16px;
  }

  .page-contact .ct-hero__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-check,
  .page-contact .ct-check__box,
  .page-contact .ct-next__link {
    transition: none;
  }
}
<<<END>>>