.page-contact {
  --ct-gap: clamp(16px, 2.6vw, 30px);
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

/* ---------- 首屏分屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(118% 88% at 8% -12%, rgba(165, 107, 255, 0.26), transparent 62%),
    radial-gradient(96% 72% at 96% 4%, rgba(67, 245, 200, 0.14), transparent 58%),
    var(--ink);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--mint), var(--violet) 55%, transparent);
  opacity: 0.85;
}

.page-contact .ct-hero .wrap {
  padding-block: clamp(18px, 3.4vw, 30px) clamp(32px, 6vw, 72px);
}

.page-contact .ct-hero-inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(16px, 3vw, 28px);
}

.page-contact .ct-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 8.4vw, 72px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-contact .ct-h1-accent {
  color: var(--mint);
}

.page-contact .ct-hero .lede {
  margin-top: 18px;
}

.page-contact .ct-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 23, 34, 0.96), rgba(11, 13, 18, 0.96));
}

.page-contact .ct-quick li {
  display: grid;
  gap: 5px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .ct-quick-k {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-contact .ct-quick-v {
  font-size: 15px;
  line-height: 1.5;
  color: var(--cream);
  word-break: break-word;
}

.page-contact .ct-quick-v small {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  color: var(--mist);
}

/* ---------- 章节标题 ---------- */
.page-contact .ct-sec-head {
  max-width: 64ch;
}

.page-contact .ct-sec-head h2,
.page-contact .ct-visit-copy h2 {
  margin: 12px 0 12px;
  font-size: clamp(26px, 5.2vw, 44px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cream);
}

/* ---------- 左右分屏 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .ct-cards {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .ct-card {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--panel);
  transition: background 0.3s var(--ease);
}

.page-contact .ct-card:hover {
  background: #161c29;
}

.page-contact .ct-card--mail {
  box-shadow: inset 3px 0 0 var(--mint);
}

.page-contact .ct-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .ct-card-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  border: 1px solid var(--line);
  color: var(--mint);
}

.page-contact .ct-card-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .ct-card-value {
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  line-height: 1.5;
  color: var(--mint);
  word-break: break-word;
}

.page-contact .ct-card-value--addr {
  font-size: clamp(14.5px, 2.2vw, 17px);
  line-height: 1.65;
  color: var(--cream);
}

.page-contact .ct-card-scene {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 回复时段 ---------- */
.page-contact .ct-hours {
  margin-top: var(--ct-gap);
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: var(--espresso);
}

.page-contact .ct-hours-line {
  margin: 12px 0 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--cream);
}

.page-contact .ct-hours-line .mono {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border: 1px solid var(--amber);
  color: var(--amber);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-contact .ct-hours p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-hours a,
.page-contact .ct-visit-foot a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(67, 245, 200, 0.4);
}

.page-contact .ct-hours a:hover,
.page-contact .ct-visit-foot a:hover {
  border-bottom-color: var(--mint);
}

/* ---------- 检查清单 ---------- */
.page-contact .ct-check {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .ct-check h3 {
  margin: 12px 0 0;
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--cream);
}

.page-contact .ct-check-list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .ct-check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(46, 58, 78, 0.7);
}

.page-contact .ct-check-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-check-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--line);
  background: var(--ink);
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-check-item input[type="checkbox"]:checked {
  background: var(--mint);
  border-color: var(--mint);
}

.page-contact .ct-check-item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}

.page-contact .ct-check-item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-contact .ct-check-item label {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
  cursor: pointer;
}

.page-contact .ct-check-item strong {
  color: var(--cream);
  font-weight: 700;
}

.page-contact .ct-check-foot {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 邮件入口 ---------- */
.page-contact .ct-mail {
  margin-top: var(--ct-gap);
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid rgba(67, 245, 200, 0.42);
  background: linear-gradient(160deg, rgba(67, 245, 200, 0.1), rgba(18, 23, 34, 0.98) 58%);
}

.page-contact .ct-mail h3 {
  margin: 12px 0 10px;
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--cream);
}

.page-contact .ct-mail > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-mail a:not(.btn) {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(67, 245, 200, 0.4);
}

.page-contact .ct-mail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-contact .ct-mail-actions .btn {
  text-decoration: none;
}

.page-contact .copy-mail-hint {
  min-height: 1.2em;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mint);
}

/* ---------- 渠道配图 ---------- */
.page-contact .ct-channels-media {
  margin: 0;
}

/* ---------- 到访区 ---------- */
.page-contact .ct-visit {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink), #0e1118 58%, var(--ink));
}

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

.page-contact .ct-addr {
  display: grid;
  margin: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-addr-row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-addr dt {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-contact .ct-addr dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--cream);
}

.page-contact .ct-route-figure {
  margin: 0;
}

.page-contact .ct-route {
  margin-top: clamp(24px, 4vw, 44px);
  padding: clamp(14px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: var(--espresso);
}

.page-contact .ct-route svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .ct-visit-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-visit-foot p {
  margin: 0;
  flex: 1 1 240px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-backtop {
  flex: none;
  padding: 9px 16px;
  border: 1px solid var(--violet);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cream);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-backtop:hover {
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-addr-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .ct-quick {
    margin-top: 8px;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-contact .ct-channels-media {
    grid-column: 1 / -1;
    margin-top: clamp(8px, 1.6vw, 18px);
  }

  .page-contact .ct-visit-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
  }

  .page-contact .ct-card-value {
    letter-spacing: -0.01em;
  }
}

@media (min-width: 1280px) {
  .page-contact .ct-hero h1 {
    max-width: 15ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-backtop,
  .page-contact .ct-check-item input[type="checkbox"] {
    transition: none;
  }
}