.page-contact {
  --ct-gap: clamp(18px, 2.8vw, 32px);
  --ct-pad: clamp(20px, 2.6vw, 32px);
  background: var(--ink-900);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .ct-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 22ch;
  color: var(--white);
}

.page-contact .ct-section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(30px, 4.5vw, 54px);
  max-width: 760px;
}

/* ---------- 首屏框景 ---------- */
.page-contact .ct-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.page-contact .ct-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(112deg, rgba(5, 7, 14, 0.96) 0%, rgba(5, 7, 14, 0.78) 42%, rgba(5, 7, 14, 0.28) 100%),
    repeating-linear-gradient(90deg, rgba(30, 39, 53, 0.55) 0 1px, transparent 1px 120px);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(48px, 8vw, 104px);
}

.page-contact .ct-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3.6vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .ct-crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms ease-out, border-color 200ms ease-out;
}

.page-contact .ct-crumbs a:hover,
.page-contact .ct-crumbs a:focus-visible {
  color: var(--cyan-200);
  border-bottom-color: var(--cyan-200);
}

.page-contact .ct-crumbs [aria-current] {
  color: var(--cyan-400);
}

.page-contact .ct-hero__frame {
  position: relative;
  max-width: 820px;
  padding: clamp(24px, 3.4vw, 42px) clamp(20px, 3vw, 38px) clamp(26px, 3.6vw, 44px);
  border: 1px solid var(--line);
  background: rgba(10, 15, 26, 0.62);
  backdrop-filter: blur(8px);
}

.page-contact .ct-hero__frame::before,
.page-contact .ct-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--cyan-400);
}

.page-contact .ct-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .ct-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-contact .ct-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.8vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  color: var(--white);
}

.page-contact .ct-hero__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-hero__meta-item {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-200);
  font-variant-numeric: tabular-nums;
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels {
  padding-block: var(--section);
}

.page-contact .ct-channel-grid {
  display: grid;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-channel {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: var(--ct-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: background 240ms ease-out, border-color 240ms ease-out;
}

.page-contact .ct-channel:hover {
  background: rgba(242, 246, 250, 0.1);
  border-color: rgba(53, 224, 208, 0.4);
}

.page-contact .ct-channel__index {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-contact .ct-channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-copy {
  justify-self: start;
  margin-top: 4px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 处理窗口 ---------- */
.page-contact .ct-hours {
  padding-block: var(--section);
  border-top: 1px solid var(--line);
}

.page-contact .ct-hours__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .ct-hours__clock {
  display: inline-block;
  margin: 0 0 18px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-hours__lead {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-contact .ct-hours__list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .ct-hours__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-200);
  padding-top: 4px;
}

.page-contact .ct-hours__aside {
  padding: var(--ct-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .ct-hours__deny {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-hours__deny li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .ct-hours__deny li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 1px;
  background: var(--orange-500);
}

.page-contact .ct-hours__deny-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-coop {
  padding-block: var(--section);
  border-top: 1px solid var(--line);
}

.page-contact .ct-coop__layout {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
}

.page-contact .ct-coop__panel {
  padding-top: 26px;
}

.page-contact .ct-coop__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-coop__panel p {
  margin: 0 0 14px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-coop__prep {
  padding: 16px 18px;
  border-left: 2px solid var(--cyan-400);
  background: var(--ink-800);
  color: var(--white) !important;
  font-size: 15px !important;
}

.page-contact .ct-coop__prep .mono {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-200);
}

.page-contact .ct-coop__figure {
  margin: 0;
}

.page-contact .ct-coop__aside-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 提交前清单 ---------- */
.page-contact .ct-prep {
  padding-block: var(--section);
  border-top: 1px solid var(--line);
}

.page-contact .ct-prep__list {
  display: grid;
  gap: var(--ct-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px 16px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-prep__num {
  grid-column: 1;
  grid-row: 1;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
  padding-top: 5px;
}

.page-contact .ct-prep__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--white);
}

.page-contact .ct-prep__text {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-prep__hint {
  margin-top: clamp(28px, 4vw, 42px);
}

.page-contact .ct-prep__more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 勘误模板预览 ---------- */
.page-contact .ct-template {
  padding-block: var(--section);
  border-top: 1px solid var(--line);
}

.page-contact .ct-template__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .ct-template__sheet {
  padding: clamp(20px, 2.6vw, 32px);
  border: 1px solid var(--line);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-template__line {
  display: grid;
  grid-template-columns: minmax(0, 92px) minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(30, 39, 53, 0.95);
}

.page-contact .ct-template__line:last-child {
  border-bottom: 0;
}

.page-contact .ct-template__key {
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-contact .ct-template__val {
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-template__side-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
}

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

.page-contact .ct-checklist .chip {
  cursor: pointer;
}

.page-contact .ct-template__tip {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-template__ref {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 服务地区与备案 ---------- */
.page-contact .ct-region {
  padding-block: clamp(40px, 5vw, 72px) var(--section);
}

.page-contact .ct-region__frame {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
}

.page-contact .ct-region__value {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-region__value.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-region__note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .ct-channel:nth-child(1) {
    grid-column: 1 / span 5;
  }

  .page-contact .ct-channel:nth-child(2) {
    grid-column: 6 / span 4;
    margin-top: 38px;
  }

  .page-contact .ct-channel:nth-child(3) {
    grid-column: 10 / span 3;
    margin-top: 82px;
  }

  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3.4vw, 48px);
  }

  .page-contact .ct-prep__item:nth-child(2),
  .page-contact .ct-prep__item:nth-child(4) {
    margin-top: 32px;
  }

  .page-contact .ct-template__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-contact .ct-region__cell--wide {
    grid-column: 1 / -1;
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hours__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-coop__layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero__frame {
    margin-left: clamp(0px, 3vw, 56px);
  }

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

  .page-contact .ct-region__cell--wide {
    grid-column: 3;
    padding-top: 0;
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-crumbs a {
    transition: none;
  }
}
<<<END>>>