.page-contact {
  --ct-max: 1240px;
  --ct-gap: clamp(20px, 3vw, 40px);
  background: var(--cream-050);
  color: var(--ink-900);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .wrap {
  max-width: var(--ct-max);
  margin: 0 auto;
  padding: 0 var(--shell-pad);
}

.page-contact .crumbs {
  padding-top: clamp(16px, 3vw, 28px);
  font-size: 13px;
  color: var(--cool-gray);
}

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

.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .crumbs a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--brand-red);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-head {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cream-050);
  background: var(--deep-blue);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-contact .ct-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .ct-facts {
  display: grid;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-facts__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-top: 2px solid var(--ink-900);
}

.page-contact .ct-facts__num {
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  color: var(--brand-red);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.page-contact .ct-facts__label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--cool-gray);
}

/* ---------- 章节基座 ---------- */
.page-contact .ct-sec {
  padding: clamp(40px, 6vw, 76px) 0 0;
}

.page-contact h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-contact .ct-sec__sub {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 38em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cool-gray);
}

.page-contact h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.3;
}

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

/* ---------- 图片 ---------- */
.page-contact .ct-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-contact .figure__frame {
  overflow: hidden;
  background: var(--cream-100);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

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

.page-contact .figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cool-gray);
}

/* ---------- 三类需求 ---------- */
.page-contact .ct-triptych {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-branch {
  position: relative;
  padding: 30px 22px 24px;
  background: var(--cream-100);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-contact .ct-branch::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--brand-red);
}

.page-contact .ct-branch--cyan::before { background: var(--cyan); }
.page-contact .ct-branch--amber::before { background: var(--amber); }

.page-contact .ct-branch__idx {
  display: block;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--brand-red);
  margin-bottom: 14px;
}

.page-contact .ct-branch--cyan .ct-branch__idx { color: var(--deep-blue); }
.page-contact .ct-branch--amber .ct-branch__idx { color: var(--amber); }

.page-contact .ct-branch p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .ct-branch__meta {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-branch__meta li {
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--deep-blue);
  border-bottom: 1px solid var(--line);
  word-break: break-all;
}

.page-contact .ct-branch__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--red-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--brand-red);
}

/* ---------- 数据纠错 ---------- */
.page-contact .ct-fix__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .ct-fix__body > p {
  margin: 0 0 20px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.75;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 22px 34px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.page-contact .ct-check__box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 20px;
  height: 20px;
  margin: 0;
  border: 2px solid var(--ink-900);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
}

.page-contact .ct-check__box:checked {
  background: var(--brand-red);
  border-color: var(--brand-red);
}

.page-contact .ct-check__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--cream-050);
  border-bottom: 2px solid var(--cream-050);
  transform: rotate(42deg);
}

.page-contact .ct-check__idx {
  font-size: 13px;
  color: var(--cool-gray);
}

.page-contact .ct-check__text {
  font-size: 15px;
  line-height: 1.5;
}

.page-contact .ct-check:has(.ct-check__box:checked) .ct-check__text {
  color: var(--cool-gray);
  text-decoration: line-through;
}

.page-contact .ct-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool-gray);
}

.page-contact .ct-fix__aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .ct-aside-card {
  padding: 22px 20px;
  background: var(--cream-100);
  border-left: 4px solid var(--deep-blue);
}

.page-contact .ct-aside-card p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 线路反馈 ---------- */
.page-contact .ct-line-sec {
  background: linear-gradient(180deg, var(--cream-050) 0%, var(--cream-100) 100%);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .ct-line-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .ct-clues {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-contact .ct-clue {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-clue__idx {
  font-size: 13px;
  color: var(--brand-red);
}

.page-contact .ct-clue__t {
  font-size: 15px;
  line-height: 1.5;
}

.page-contact .ct-line-side__label {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--deep-blue);
}

.page-contact .ct-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-contact .ct-chip {
  position: relative;
  min-width: 46px;
  padding: 12px 10px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--cream-050);
  background: var(--deep-blue);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-contact .ct-chip--default {
  background: var(--brand-red);
}

.page-contact .ct-chip__tag {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .02em;
}

.page-contact .ct-probe {
  background: var(--cream-050);
  border: 1px solid var(--line);
}

.page-contact .ct-probe summary {
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-probe summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--brand-red);
}

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

.page-contact .ct-probe p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool-gray);
}

/* ---------- 合作咨询 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
}

.page-contact .ct-docs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--brand-red);
}

.page-contact .ct-docs li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  font-size: 15px;
  line-height: 1.5;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-docs__n {
  font-size: 13px;
  color: var(--cool-gray);
}

.page-contact .ct-coop__side {
  padding: 24px 22px;
  background: var(--cream-100);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .ct-coop__side p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .ct-coop__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 联络信息 ---------- */
.page-contact .ct-contact {
  padding: clamp(24px, 4vw, 36px);
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-contact .ct-contact__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .ct-contact__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(246, 241, 231, .22);
}

.page-contact .ct-contact__key {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .ct-contact__val {
  font-size: clamp(16px, 3vw, 22px);
  color: var(--cream-050);
  text-decoration: none;
  word-break: break-all;
}

.page-contact a.ct-contact__val {
  border-bottom: 1px solid var(--cyan);
}

.page-contact .ct-contact__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 241, 231, .78);
}

/* ---------- 时间轴 ---------- */
.page-contact .ct-timeline {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-contact .ct-timeline__bar {
  height: 6px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--cyan) 68%, var(--deep-blue) 100%);
}

.page-contact .ct-timeline__marks {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .ct-timeline__marks li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-contact .ct-timeline__marks .mono {
  font-size: 15px;
  font-weight: 700;
  color: var(--deep-blue);
}

.page-contact .ct-timeline__cap {
  font-size: 13px;
  color: var(--cool-gray);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-tail p {
  margin: 0 0 20px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.75;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-head {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-contact .ct-facts {
    gap: 0;
  }

  .page-contact .ct-facts__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 14px 0;
  }

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

  .page-contact .ct-fix__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-line-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-contact__row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-triptych {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-branch:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .ct-branch:nth-child(3) {
    margin-top: 52px;
  }
}
</<PAGE_CSS>>>