.page-contact {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-topbar {
  padding-top: clamp(0.75rem, 2vw, 1.25rem);
}

/* 首屏 */
.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-hero h1 {
  margin: 0.75rem 0 0;
  font-size: clamp(34px, 5.2vw, 64px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-contact .ct-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--mist);
}

.page-contact .ct-metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ice-700);
}

.page-contact .ct-metric__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink);
}

/* 联系信息卡 */
.page-contact .ct-callout {
  position: relative;
  background: var(--white);
  border: 1px solid var(--ice-900);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: 10px 10px 0 0 var(--ice-100);
}

.page-contact .ct-callout__seal {
  position: absolute;
  top: -1px;
  right: -1px;
  background: var(--ember);
  color: var(--ice-900);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.65rem;
}

.page-contact .ct-callout__label {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--ice-700);
}

.page-contact .ct-callout__mail {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--ice-900);
  text-decoration: none;
  border-bottom: 2px solid var(--volt);
  word-break: break-all;
}

.page-contact .ct-callout__mail:hover,
.page-contact .ct-callout__mail:focus-visible {
  border-bottom-color: var(--ember);
}

.page-contact .ct-callout__note {
  margin: 0.9rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ice-700);
}

.page-contact .ct-callout__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--mist);
  font-size: 0.9rem;
}

.page-contact .ct-callout__row a {
  font-family: var(--font-mono);
  color: var(--ice-900);
  text-decoration: none;
  border-bottom: 1px solid var(--mist);
}

.page-contact .ct-callout .btn {
  margin-top: 1.1rem;
  width: 100%;
  text-align: center;
}

/* 合作方式 */
.page-contact .ct-ways {
  background: linear-gradient(180deg, var(--ice-100) 0%, var(--paper) 78%);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-ways__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .ct-ways__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .ct-ways__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-way {
  background: var(--white);
  border: 1px solid var(--ice-900);
  padding: 1rem 1.1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .ct-way[open] {
  border-color: var(--ember);
  box-shadow: 8px 8px 0 0 var(--ice-100);
}

.page-contact summary {
  list-style: none;
}

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

.page-contact .ct-way summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.6rem;
  cursor: pointer;
}

.page-contact .ct-way summary:focus-visible {
  outline: 2px solid var(--ice-500);
  outline-offset: 3px;
}

.page-contact .ct-way__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ice-500);
}

.page-contact .ct-way h3 {
  margin: 0;
  flex: 1 1 auto;
  font-size: 1.08rem;
  font-weight: 800;
}

.page-contact .ct-way__tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--mist);
  color: var(--ice-700);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-contact .ct-way__body {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--mist);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-contact .ct-way__body p {
  margin: 0 0 0.6rem;
}

.page-contact .ct-way__body ul {
  margin: 0 0 0.6rem;
  padding-left: 1.1rem;
}

.page-contact .ct-way__body li {
  margin-block: 0.25rem;
}

.page-contact .ct-way__role {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ice-700);
}

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

.page-contact .ct-ways__figure .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-ways__figure .figure__caption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ice-700);
}

/* 流程带 */
.page-contact .ct-flow {
  position: relative;
  overflow: hidden;
  background: var(--ice-900);
  color: var(--white);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-flow::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-contact .ct-flow .container {
  position: relative;
  z-index: 1;
}

.page-contact .ct-flow__head {
  max-width: 54ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .ct-flow__head h2 {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-contact .ct-flow__head p {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ice-100);
}

.page-contact .ct-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .ct-flow__step {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-top: 3px solid var(--ice-500);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.9rem;
}

.page-contact .ct-flow__step:nth-child(3) {
  border-top-color: var(--volt);
  background: rgba(198, 255, 61, 0.1);
}

.page-contact .ct-flow__step summary {
  display: block;
  cursor: pointer;
}

.page-contact .ct-flow__step summary:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 4px;
}

.page-contact .ct-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--volt);
}

.page-contact .ct-flow__step h3 {
  margin: 0.35rem 0 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
}

.page-contact .ct-flow__meta {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ice-100);
}

.page-contact .ct-flow__detail {
  margin: 0.7rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ice-100);
}

/* 场馆宽图 */
.page-contact .ct-venue-band {
  background: var(--paper);
}

.page-contact .ct-venue {
  margin: clamp(2rem, 5vw, 3.5rem) auto 0;
}

.page-contact .ct-venue .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .ct-venue .figure__caption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ice-700);
}

/* 材料清单 */
.page-contact .ct-kit {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-kit__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .ct-kit__intro h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.18;
}

.page-contact .ct-kit__intro p {
  margin: 1rem 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
}

.page-contact .ct-kit__intro a {
  color: var(--ice-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--volt);
}

.page-contact .ct-kit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .ct-kit__item h3 {
  margin: 0.5rem 0 0.4rem;
  font-size: 1rem;
  font-weight: 800;
}

.page-contact .ct-kit__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ice-700);
}

/* 联系方式 */
.page-contact .ct-contact {
  background: linear-gradient(135deg, var(--ice-100) 0%, var(--paper) 62%);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-contact h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .ct-contact__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-contact__item {
  background: var(--white);
  border: 1px solid var(--mist);
  border-top: 3px solid var(--ice-500);
  padding: 1.1rem 1.2rem;
}

.page-contact .ct-contact__label {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--ice-700);
}

.page-contact .ct-contact__value {
  display: block;
  margin-top: 0.6rem;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .ct-contact__value--mono {
  font-family: var(--font-mono);
}

.page-contact .ct-contact__value--mono:hover,
.page-contact .ct-contact__value--mono:focus-visible {
  color: var(--ice-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-contact__note {
  margin: 1.25rem 0 0;
  max-width: 62ch;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--ice-700);
}

.page-contact .ct-contact__note a {
  color: var(--ice-900);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--volt);
}

/* 响应与分工 */
.page-contact .ct-response {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .ct-response h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .ct-response__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.page-contact .ct-response__card {
  border-top: 3px solid var(--ice-900);
  padding-top: 0.9rem;
}

.page-contact .ct-response__card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 800;
}

.page-contact .ct-response__card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink);
}

/* 三问 */
.page-contact .ct-ask {
  background: var(--ice-100);
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .ct-ask h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .ct-ask__list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.5rem;
  max-width: 900px;
}

.page-contact .ct-ask__item {
  background: var(--white);
  border: 1px solid var(--mist);
  padding: 0.9rem 1.1rem;
}

.page-contact .ct-ask__item[open] {
  border-color: var(--ice-500);
}

.page-contact .ct-ask__item summary {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  cursor: pointer;
}

.page-contact .ct-ask__item summary:focus-visible {
  outline: 2px solid var(--ice-500);
  outline-offset: 4px;
}

.page-contact .ct-ask__item h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

.page-contact .ct-ask__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--ice-500);
}

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

.page-contact .ct-ask__item p {
  margin: 0.8rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-contact .ct-ask__item a {
  color: var(--ice-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--volt);
}

/* 收尾 */
.page-contact .ct-close {
  background: var(--white);
  border-top: 1px solid var(--mist);
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .ct-close__inner {
  display: grid;
  gap: 1.25rem;
}

.page-contact .ct-close p {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-contact .ct-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (min-width: 560px) {
  .page-contact .ct-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-contact .ct-kit__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-ways__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-ways__grid > :nth-child(even) {
    margin-top: 1.75rem;
  }

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

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

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-flow__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-contact .ct-kit__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .ct-close__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-ways__layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}
<<<END>>>