.page-contact {
  --ct-grid-dark: rgba(217, 208, 195, 0.14);
  --ct-grid-light: rgba(18, 22, 27, 0.06);
  --ct-hair: rgba(217, 208, 195, 0.28);
}

/* ============ 首屏 ============ */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ct-grid-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-grid-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -180px;
  width: 460px;
  height: 460px;
  background: var(--orange);
  opacity: 0.14;
  transform: rotate(24deg);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(48px, 7vw, 92px);
}

.page-contact .ct-breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
  color: var(--steel);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .ct-breadcrumb a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-breadcrumb a:hover {
  border-bottom-color: var(--orange);
  color: var(--orange);
}

.page-contact .ct-breadcrumb span[aria-hidden="true"] {
  margin: 0 8px;
  color: var(--steel);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 6vw, 64px);
}

.page-contact .ct-hero__lead .eyebrow {
  color: var(--orange);
}

.page-contact .ct-hero__title {
  margin: 16px 0 24px;
  font-size: clamp(38px, 9vw, 96px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-hero__text {
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.76);
}

.page-contact .ct-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 28px;
  padding: 12px 16px;
  border: 1px solid var(--ct-hair);
  border-left: 3px solid var(--lime);
  background: rgba(27, 35, 44, 0.7);
}

.page-contact .ct-status__dot {
  width: 8px;
  height: 8px;
  background: var(--lime);
  flex: 0 0 auto;
}

.page-contact .ct-status__time {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .ct-status__note {
  font-size: 12.5px;
  color: var(--steel);
}

.page-contact .ct-hero__aside {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-contact .ct-hero__media {
  border: 1px solid var(--ct-hair);
}

.page-contact .ct-pin {
  margin-top: -1px;
  padding: 18px 20px;
  border: 1px solid var(--ct-hair);
  background: var(--carbon);
  max-width: 100%;
}

.page-contact .ct-pin__key {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-contact .ct-pin__val {
  font-size: 14px;
  color: var(--paper);
  word-break: break-all;
  margin-bottom: 8px;
}

.page-contact .ct-pin__use {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ============ 通用区块头 ============ */
.page-contact .ct-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .ct-sec-head .eyebrow {
  color: var(--burnt);
}

.page-contact .ct-sec-head h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-contact .ct-sec-head p {
  font-size: 14.5px;
  line-height: 1.8;
  color: #3c434b;
}

.page-contact .ct-sec-head--dark h2 {
  color: var(--paper);
}

.page-contact .ct-sec-head--dark p {
  color: rgba(244, 239, 230, 0.72);
}

.page-contact .ct-sec-head--dark .eyebrow {
  color: var(--orange);
}

/* ============ 联系通道 ============ */
.page-contact .ct-channels {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--paper);
  background-image:
    linear-gradient(var(--ct-grid-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-grid-light) 1px, transparent 1px);
  background-size: 64px 64px;
}

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

.page-contact .ct-channel {
  padding: 22px 20px 24px;
  background: var(--paper);
  border-top: 2px solid transparent;
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-contact .ct-channel:hover {
  background: #fff;
  border-top-color: var(--orange);
}

.page-contact .ct-channel__no {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
  margin-bottom: 10px;
}

.page-contact .ct-channel h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--deep);
  margin-bottom: 10px;
}

.page-contact .ct-channel__val {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--burnt);
  word-break: break-all;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-channel__use {
  font-size: 13.5px;
  line-height: 1.75;
  color: #414952;
}

/* ============ 咨询类型 ============ */
.page-contact .ct-types {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--ink);
  color: var(--paper);
  position: relative;
}

.page-contact .ct-types::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ct-grid-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-grid-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-contact .ct-type-list {
  position: relative;
  list-style: none;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-type {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 6px 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-type__no {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 4px;
}

.page-contact .ct-type__body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 8px;
}

.page-contact .ct-type__body p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.7);
}

.page-contact .ct-type__to {
  grid-column: 2;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--lime);
  margin-top: 10px;
}

/* ============ 合作流程 ============ */
.page-contact .ct-flow {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--paper);
}

.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

.page-contact .ct-flow__col .eyebrow {
  color: var(--burnt);
}

.page-contact .ct-flow__col h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.4vw, 42px);
  font-weight: 400;
  line-height: 1.14;
  color: var(--deep);
}

.page-contact .ct-flow__intro {
  font-size: 14.5px;
  line-height: 1.8;
  color: #3c434b;
  max-width: 52ch;
  margin-bottom: 30px;
}

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

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 0 0 26px 16px;
  margin-left: -1px;
  border-left: 2px solid transparent;
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step:hover {
  border-left-color: var(--orange);
}

.page-contact .ct-step__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .ct-step__body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--deep);
  margin-bottom: 7px;
}

.page-contact .ct-step__body p {
  font-size: 13.5px;
  line-height: 1.78;
  color: #414952;
}

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

.page-contact .ct-flow__fig .media {
  border: 1px solid var(--line);
}

.page-contact .ct-flow__fig figcaption {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ============ 响应节奏 ============ */
.page-contact .ct-response {
  padding: clamp(44px, 6vw, 76px) 0;
  background: var(--carbon);
  color: var(--paper);
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .ct-response__big .eyebrow {
  color: var(--orange);
}

.page-contact .ct-response__num {
  font-size: clamp(56px, 13vw, 104px);
  line-height: 0.9;
  font-weight: 500;
  color: var(--lime);
  margin: 12px 0 14px;
  letter-spacing: -0.02em;
}

.page-contact .ct-response__big h2 {
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 400;
  line-height: 1.35;
  color: var(--paper);
  max-width: 22ch;
}

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

.page-contact .ct-response__list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-response__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
  border: 1px solid rgba(255, 90, 31, 0.5);
  padding: 3px 8px;
  margin-bottom: 10px;
}

.page-contact .ct-response__list p {
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.74);
}

/* ============ 邮件模板 ============ */
.page-contact .ct-templates {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--paper);
  background-image:
    linear-gradient(var(--ct-grid-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-grid-light) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-contact .ct-tpl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .ct-tpl {
  border: 1px solid var(--line);
  background: #fff;
}

.page-contact .ct-tpl[open] {
  border-color: var(--orange);
}

.page-contact .ct-tpl__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--deep);
}

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

.page-contact .ct-tpl__tag {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: var(--paper);
  background: var(--deep);
}

.page-contact .ct-tpl[open] .ct-tpl__tag {
  background: var(--orange);
}

.page-contact .ct-tpl__name {
  flex: 1 1 auto;
}

.page-contact .ct-tpl__chev {
  flex: 0 0 auto;
  font-size: 16px;
  color: var(--burnt);
  transition: transform var(--dur) var(--ease-out);
}

.page-contact .ct-tpl[open] .ct-tpl__chev {
  transform: rotate(45deg);
}

.page-contact .ct-tpl__body {
  margin: 0;
  padding: 16px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-contact .ct-prep {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 22px;
  border-top: 2px solid var(--deep);
}

.page-contact .ct-prep h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--deep);
  margin-bottom: 14px;
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-prep__list li {
  background: var(--paper);
  padding: 13px 15px 13px 32px;
  position: relative;
  font-size: 13.5px;
  line-height: 1.72;
  color: #414952;
}

.page-contact .ct-prep__list li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 20px;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

/* ============ 地址与备案 ============ */
.page-contact .ct-legal {
  padding: clamp(44px, 6vw, 80px) 0 clamp(52px, 7vw, 90px);
  background: var(--ink);
  color: var(--paper);
  position: relative;
}

.page-contact .ct-legal::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ct-grid-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-grid-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-contact .ct-legal__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

.page-contact .ct-legal .eyebrow {
  color: var(--orange);
}

.page-contact .ct-legal h2 {
  margin: 12px 0 22px;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 400;
  color: var(--paper);
}

.page-contact .ct-legal__dl {
  margin: 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-legal__row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-legal__row dt {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
  padding-top: 3px;
}

.page-contact .ct-legal__row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .ct-legal__next h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 12px;
}

.page-contact .ct-legal__next p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.72);
  max-width: 46ch;
}

.page-contact .ct-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .ct-legal__links .btn--ghost {
  color: var(--paper);
  border-color: var(--ct-hair);
}

.page-contact .ct-legal__links .btn--ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .ct-tpl-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .ct-type {
    grid-template-columns: 56px 1fr 130px;
    align-items: start;
  }

  .page-contact .ct-type__to {
    grid-column: 3;
    margin-top: 6px;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-contact .ct-hero__aside {
    padding-top: 12px;
  }

  .page-contact .ct-flow__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-contact .ct-response__grid {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
  }

  .page-contact .ct-legal__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

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

  .page-contact .ct-prep__list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .ct-channel--wide {
    grid-column: span 2;
  }
}

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