.page-contact {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 24px 0 0;
  background:
    linear-gradient(180deg, rgba(22, 35, 63, 0.07) 0%, rgba(247, 243, 234, 0) 46%),
    var(--paper);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 28px;
  align-items: end;
  padding-bottom: 26px;
}

.page-contact .ct-hero__copy .lede {
  margin-top: 14px;
}

.page-contact .ct-hero__media {
  margin: 0;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%);
  background: var(--indigo);
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  opacity: 0.94;
}

.page-contact .ct-hero__panel {
  position: relative;
  padding: 26px 22px 28px;
  margin-top: 4px;
  background: linear-gradient(148deg, var(--indigo) 0%, var(--indigo-lift) 58%, var(--crimson-deep) 100%);
  color: var(--cloud);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-contact .ct-hero__panel::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px dashed rgba(201, 162, 39, 0.42);
  pointer-events: none;
}

.page-contact .ct-hero__flag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 5px 12px;
  background: var(--gold);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.page-contact .ct-channel__key {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-channel__key--gap {
  margin-top: 20px;
}

.page-contact .ct-mail {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: clamp(19px, 4.9vw, 52px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--gold);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-hotline {
  margin: 6px 0 0;
  font-size: clamp(24px, 5.6vw, 46px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-contact .ct-hero__hint {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(175, 192, 216, 0.28);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding-top: 32px;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .ct-hero__panel {
    padding: 36px 40px 38px;
    margin-top: -34px;
    max-width: 860px;
  }
}

/* ---------- 联系方式一览 ---------- */
.page-contact .ct-overview {
  padding-top: 40px;
}

.page-contact .ct-cards {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
}

.page-contact .ct-card__value {
  margin: 6px 0 12px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gold-ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-card__value--text {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--crimson);
}

@media (min-width: 640px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-contact .ct-card:nth-child(4) {
    margin-top: 36px;
  }
}

/* ---------- 反馈指引 ---------- */
.page-contact .ct-guide {
  position: relative;
  background: linear-gradient(180deg, rgba(175, 192, 216, 0.16) 0%, rgba(247, 243, 234, 0) 100%);
}

.page-contact .ct-guide__grid {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-topic {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: 3px;
  box-shadow: var(--shadow-sm);
}

.page-contact .ct-topic__no {
  display: block;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: rgba(122, 31, 43, 0.22);
  letter-spacing: 0.04em;
}

.page-contact .ct-topic__title {
  margin: 10px 0 8px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--crimson);
}

.page-contact .ct-topic__lead {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

.page-contact .ct-topic__list li {
  position: relative;
  padding: 11px 0 11px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  border-bottom: 1px dashed rgba(58, 66, 82, 0.14);
}

.page-contact .ct-topic__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 8px;
  height: 2px;
  background: var(--gold);
}

.page-contact .ct-topic__list li .num {
  color: var(--gold-ink);
}

.page-contact .ct-topic__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .ct-topic__foot a {
  color: var(--crimson);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(122, 31, 43, 0.35);
}

.page-contact .ct-topic__foot a:hover,
.page-contact .ct-topic__foot a:focus-visible {
  border-bottom-color: var(--gold);
  outline: none;
}

@media (min-width: 900px) {
  .page-contact .ct-guide__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 24px;
  }

  .page-contact .ct-topic:nth-child(2) {
    margin-top: 40px;
  }

  .page-contact .ct-topic:nth-child(3) {
    margin-top: 14px;
  }
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-steps {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  padding: 24px 20px 22px;
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 3px;
  background: var(--gold);
}

.page-contact .ct-step__no {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold-ink);
}

.page-contact .ct-step__title {
  margin: 10px 0 8px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 900;
  color: var(--indigo);
}

.page-contact .ct-step p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .ct-flow__foot {
  display: grid;
  gap: 24px;
  margin-top: 38px;
}

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

.page-contact .ct-flow__stat {
  padding: 28px 24px;
  background: linear-gradient(140deg, var(--crimson) 0%, var(--crimson-deep) 100%);
  color: var(--cloud);
}

.page-contact .ct-flow__stat-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.78);
}

.page-contact .ct-flow__stat-value {
  margin: 10px 0 14px;
  font-family: var(--mono);
  font-size: clamp(38px, 9vw, 62px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-contact .ct-flow__stat-value span {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-left: 8px;
  color: rgba(255, 255, 255, 0.85);
}

.page-contact .ct-flow__stat-note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.page-contact .ct-flow__stat-note .num {
  color: var(--gold);
}

@media (min-width: 720px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-flow__foot {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: stretch;
    gap: 28px;
  }
}

/* ---------- 邮件写作建议 ---------- */
.page-contact .ct-tips__shell {
  padding: 30px 22px 34px;
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: var(--shadow-sm);
}

.page-contact .ct-tips__blocks {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 26px;
}

.page-contact .ct-tips__block {
  padding-left: 16px;
  border-left: 2px solid rgba(201, 162, 39, 0.5);
}

.page-contact .ct-tips__no {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--gold-ink);
}

.page-contact .ct-tips__block h3 {
  margin: 8px 0 6px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 900;
  color: var(--ink);
}

.page-contact .ct-tips__block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .ct-tips__fold {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-sample {
  padding: 20px 18px;
  background: var(--paper);
  border-left: 3px solid var(--gold);
}

.page-contact .ct-sample__line {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-contact .ct-sample__key {
  display: inline-block;
  min-width: 46px;
  margin-right: 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--crimson);
}

@media (min-width: 720px) {
  .page-contact .ct-tips__shell {
    padding: 44px 42px 48px;
  }

  .page-contact .ct-tips__blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 34px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-tips__blocks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 站点与备案信息 ---------- */
.page-contact .ct-identity {
  padding-bottom: 20px;
}

.page-contact .ct-identity__panel {
  display: grid;
  gap: 28px;
  padding: 30px 22px;
  background:
    repeating-linear-gradient(135deg, rgba(201, 162, 39, 0.07) 0 2px, transparent 2px 12px),
    var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-contact .ct-id__list {
  margin: 24px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-id__list > div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-id__list dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .ct-id__list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-id__list dd.num {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--gold-ink);
}

.page-contact .ct-identity__side {
  padding: 24px 20px;
  background: var(--indigo);
  color: var(--cloud);
  border-radius: 3px;
}

.page-contact .ct-identity__side-title {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--gold);
}

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

.page-contact .ct-side-links li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(175, 192, 216, 0.22);
}

.page-contact .ct-side-links a {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--cloud);
  text-decoration: none;
}

.page-contact .ct-side-links a:hover,
.page-contact .ct-side-links a:focus-visible {
  color: var(--gold);
  outline: none;
}

.page-contact .ct-side-links span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .ct-identity__side-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 900px) {
  .page-contact .ct-identity__panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.75fr);
    gap: 40px;
    padding: 44px 42px;
  }

  .page-contact .ct-id__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-topic,
  .page-contact .ct-step,
  .page-contact .ct-card {
    transition: none;
  }
}