.page-contact {
  --ct-line: 3px;
  --ct-pad: clamp(1.15rem, 3vw, 1.85rem);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.14;
  margin: 0;
}

.page-contact h1 {
  font-size: clamp(1.95rem, 6.4vw, 3.25rem);
  letter-spacing: -0.01em;
  margin: 0.55rem 0 1rem;
}

.page-contact h2 {
  font-size: clamp(1.55rem, 4.2vw, 2.3rem);
  margin: 0.4rem 0 0.75rem;
}

.page-contact h3 {
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

/* 首屏 */
.page-contact .ct-hero {
  padding: clamp(1rem, 2.6vw, 1.75rem) 0 clamp(2.25rem, 6vw, 3.75rem);
  border-bottom: var(--ct-line) solid var(--line);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(61, 224, 208, 0.2), transparent 62%),
    radial-gradient(90% 70% at -6% 4%, rgba(201, 164, 92, 0.18), transparent 58%),
    linear-gradient(175deg, var(--ink) 0%, var(--ink-3) 100%);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4.5vw, 2.5rem);
  margin-top: clamp(1.25rem, 3.5vw, 2rem);
}

.page-contact .ct-hero .kicker {
  color: var(--gold);
  letter-spacing: 0.16em;
}

.page-contact .ct-hero .lede {
  color: rgba(244, 239, 227, 0.88);
  max-width: 44ch;
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.8;
  margin: 0;
}

.page-contact .ct-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-contact .ct-chips a {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--paper);
  border: 2px solid var(--gold-deep);
  background: rgba(18, 59, 51, 0.55);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .ct-chips a:hover,
.page-contact .ct-chips a:focus-visible {
  color: var(--ink-3);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* 联系卡 */
.page-contact .ct-card {
  background: var(--paper);
  color: var(--ink);
  border: var(--ct-line) solid var(--line);
  box-shadow: var(--shadow-hard);
  padding: var(--ct-pad);
}

.page-contact .ct-card__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  margin: 0 0 0.25rem;
}

.page-contact .ct-card__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  word-break: break-word;
}

.page-contact .ct-card__value--sm {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
}

.page-contact .ct-card__value--mono {
  font-size: 0.92rem;
}

.page-contact .ct-card__hint {
  font-size: 0.8rem;
  color: var(--moss);
  margin: 0.3rem 0 0;
}

.page-contact .ct-card__rule {
  display: block;
  height: var(--ct-line);
  background: var(--line);
  opacity: 0.55;
  margin: 0.95rem 0;
}

/* 章节基座 */
.page-contact .ct-section {
  padding: clamp(2.4rem, 6vw, 4.25rem) 0;
  border-top: var(--ct-line) solid var(--line);
}

.page-contact .ct-section--mint {
  background: var(--mint);
  color: var(--ink);
}

.page-contact .ct-section--deep {
  background: var(--ink-2);
  color: var(--paper);
}

.page-contact .ct-section--dark {
  background: var(--ink-3);
  color: var(--paper);
}

.page-contact .ct-section--band {
  background: linear-gradient(100deg, var(--orange) 0%, #dd7a2f 52%, var(--gold-deep) 100%);
  color: var(--ink-3);
}

.page-contact .ct-head {
  max-width: 60ch;
  margin-bottom: clamp(1.4rem, 4vw, 2.25rem);
}

.page-contact .ct-head--tight {
  margin-bottom: 1.25rem;
}

.page-contact .ct-head p {
  margin: 0;
  line-height: 1.78;
  opacity: 0.86;
}

.page-contact .ct-section--mint .kicker,
.page-contact .ct-section--band .kicker {
  color: var(--gold-deep);
}

.page-contact .ct-section--deep .kicker,
.page-contact .ct-section--dark .kicker {
  color: var(--gold);
}

.page-contact .ct-inline-note {
  margin: 1.5rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  padding-left: 0.9rem;
  border-left: var(--ct-line) solid var(--gold-deep);
}

.page-contact .ct-inline-note a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .ct-section--deep .ct-inline-note a,
.page-contact .ct-section--dark .ct-inline-note a {
  color: var(--cyan);
}

/* 渠道信息表 */
.page-contact .ct-rows {
  margin: 0;
  display: grid;
  background: var(--paper);
  border: var(--ct-line) solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-row {
  display: grid;
  gap: 0.4rem;
  padding: 1.05rem var(--ct-pad);
  border-bottom: 2px solid var(--line);
}

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

.page-contact .ct-row dt {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-contact .ct-row__val {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .ct-row__val--mono {
  font-size: 0.9rem;
  color: var(--ink-2);
}

.page-contact .ct-row__use {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-2);
}

/* 图片区块 */
.page-contact .ct-figure {
  margin: 0;
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  background: var(--ink-3);
  border-top: var(--ct-line) solid var(--line);
}

.page-contact .ct-figure .media-frame img,
.page-contact .ct-split__media .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-figure figcaption,
.page-contact .ct-split__media figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

/* 回复时间色带 */
.page-contact .ct-band {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2.25rem);
}

.page-contact .ct-band__lead h2 {
  color: var(--ink-3);
}

.page-contact .ct-band__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-contact .ct-band__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink-3);
}

.page-contact .ct-band__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--ink-3);
}

.page-contact .ct-band__list strong {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* 版本反馈 */
.page-contact .ct-split {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

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

.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1.05rem 0;
  border-top: 2px solid rgba(201, 164, 92, 0.42);
}

.page-contact .ct-steps li:last-child {
  border-bottom: 2px solid rgba(201, 164, 92, 0.42);
}

.page-contact .ct-steps .num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan);
  padding-top: 0.15rem;
}

.page-contact .ct-steps h3 {
  color: var(--paper);
}

.page-contact .ct-steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(244, 239, 227, 0.82);
}

.page-contact .ct-extra {
  margin: 1.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 239, 227, 0.72);
  padding: 0.9rem 1rem;
  border: 2px dashed rgba(201, 164, 92, 0.55);
}

/* 合作折叠 */
.page-contact .ct-folds {
  display: grid;
  gap: 0.85rem;
}

.page-contact .ct-folds .fold {
  background: var(--paper);
  border: var(--ct-line) solid var(--line);
  box-shadow: var(--shadow-deep);
}

.page-contact .ct-folds .fold summary {
  cursor: pointer;
  padding: 1rem var(--ct-pad);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

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

.page-contact .ct-folds .fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--gold-deep);
  line-height: 1;
}

.page-contact .ct-folds .fold[open] summary::after {
  content: "−";
  color: var(--cyan);
}

.page-contact .ct-folds .fold[open] summary {
  border-bottom: 2px solid var(--line);
}

.page-contact .ct-folds .fold-body {
  padding: 0.95rem var(--ct-pad) 1.15rem;
  color: var(--ink-2);
}

.page-contact .ct-folds .fold-body p {
  margin: 0 0 0.6rem;
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-contact .ct-folds .fold-body p:last-child {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gold-deep);
  line-height: 1.65;
}

/* 联系地址 */
.page-contact .ct-visit {
  display: grid;
  gap: clamp(1.5rem, 4.5vw, 2.75rem);
}

.page-contact .ct-visit__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-contact .ct-visit__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  line-height: 1.72;
  color: rgba(244, 239, 227, 0.84);
}

.page-contact .ct-visit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid var(--orange);
}

.page-contact .ct-visit__map {
  border: var(--ct-line) solid var(--line);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 100%);
  padding: 0.75rem;
}

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

.page-contact .ct-visit__caption {
  margin: 0.6rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

/* 发送前清单 */
.page-contact .ct-section--last {
  padding-bottom: clamp(2.75rem, 7vw, 4.75rem);
}

.page-contact .ct-final {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .ct-final__intro p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: rgba(244, 239, 227, 0.82);
}

.page-contact .ct-final__intro a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

.page-contact .ct-check {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  border: var(--ct-line) solid var(--line);
  box-shadow: var(--shadow-hard);
  display: grid;
}

.page-contact .ct-check li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.95rem var(--ct-pad);
  border-bottom: 2px solid rgba(16, 23, 20, 0.16);
}

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

.page-contact .ct-check input {
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin: 0.15rem 0 0;
  border: var(--ct-line) solid var(--gold-deep);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-contact .ct-check input:checked {
  background: var(--cyan);
  border-color: var(--ink);
}

.page-contact .ct-check input:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 12px;
  border-right: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .ct-check label {
  font-size: 0.92rem;
  line-height: 1.68;
  cursor: pointer;
}

.page-contact .ct-check__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-right: 0.45rem;
}

.page-contact .ct-check input:checked + label {
  color: var(--ink-2);
}

.page-contact .ct-final__send p {
  margin: 0 0 0.85rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(244, 239, 227, 0.86);
}

.page-contact .ct-final__send strong {
  font-family: var(--font-mono);
  color: var(--gold);
  word-break: break-word;
}

.page-contact .ct-final__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.15rem;
}

.page-contact .ct-final__links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid rgba(61, 224, 208, 0.45);
  padding-bottom: 2px;
}

.page-contact .ct-final__links a:hover,
.page-contact .ct-final__links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* 响应式 */
@media (min-width: 700px) {
  .page-contact .ct-row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    column-gap: 1.25rem;
    row-gap: 0.35rem;
    align-items: baseline;
  }

  .page-contact .ct-row__use {
    grid-column: 2;
  }

  .page-contact .ct-check {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-contact .ct-band {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .ct-split__media {
    margin: 0;
    position: sticky;
    top: 1.5rem;
  }

  .page-contact .ct-visit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }

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

  .page-contact .ct-final {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-contact .ct-final__send {
    grid-column: 2;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-row {
    grid-template-columns: 8rem minmax(0, 0.9fr) minmax(0, 1.5fr);
  }

  .page-contact .ct-row__use {
    grid-column: 3;
  }
}

@media (max-width: 400px) {
  .page-contact .ct-card__value {
    font-size: 0.9rem;
  }

  .page-contact .ct-steps li {
    grid-template-columns: 1.75rem minmax(0, 1fr);
  }
}
<<<END>>>