.page-contact {
  --ct-pad: clamp(48px, 7vw, 96px);
  --ct-line: var(--yk-line);
  --ct-soft: var(--yk-800);
  --ct-deep: var(--yk-700);
  --ct-mist: var(--yk-mist);
  background: var(--yk-900);
  color: var(--yk-paper);
  padding-top: var(--yk-hdr-h);
  font-family: var(--yk-font-body);
}

.page-contact a {
  color: inherit;
  text-decoration: none;
}

.page-contact :focus-visible {
  outline: 2px solid var(--yk-mint);
  outline-offset: 3px;
}

.page-contact .ct-crumbs-bar {
  background: var(--ct-soft);
  border-bottom: 1px solid var(--ct-line);
  padding: 14px 0;
  font-size: 13px;
  color: var(--ct-mist);
}

.page-contact .ct-crumbs-bar .yk-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-contact .ct-crumbs-bar .yk-crumbs a {
  color: var(--ct-mist);
  transition: color 200ms var(--yk-ease);
}

.page-contact .ct-crumbs-bar .yk-crumbs a:hover {
  color: var(--yk-orange);
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 var(--ct-pad);
  overflow: hidden;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 22px;
}

.page-contact .ct-hero__lead {
  position: relative;
  isolation: isolate;
  border: 1px solid var(--ct-line);
  background: var(--ct-soft);
  padding: clamp(22px, 4vw, 52px);
  min-height: 420px;
  overflow: hidden;
}

.page-contact .ct-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  z-index: 0;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .ct-hero__img-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(155deg, rgba(7, 14, 34, 0.45) 0%, rgba(7, 14, 34, 0.94) 66%),
    radial-gradient(circle at 88% 12%, rgba(255, 107, 44, 0.16), transparent 45%);
  z-index: 1;
}

.page-contact .ct-hero__lead-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 34em;
}

.page-contact .ct-hero__title {
  font-family: var(--yk-font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(28px, 5.4vw, 54px);
  line-height: 1.12;
  margin: 0;
  color: var(--yk-paper);
}

.page-contact .ct-hero__title-accent {
  color: var(--yk-orange);
}

.page-contact .ct-hero__intro {
  margin: 0;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.8;
  color: var(--yk-mist);
  max-width: 34em;
}

.page-contact .ct-hero__contacts {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.page-contact .ct-hero__phone,
.page-contact .ct-hero__mail {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--ct-line);
  background: rgba(7, 14, 34, 0.7);
  transition: border-color 220ms var(--yk-ease), background 220ms var(--yk-ease);
}

.page-contact .ct-hero__phone {
  border-left: 3px solid var(--yk-orange);
}

.page-contact .ct-hero__mail {
  border-left: 3px solid var(--yk-mint);
}

.page-contact .ct-hero__phone:hover,
.page-contact .ct-hero__mail:hover {
  border-color: var(--yk-orange);
  background: rgba(22, 38, 74, 0.9);
}

.page-contact .ct-hero__phone-k,
.page-contact .ct-hero__mail-k {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yk-mist);
  text-transform: uppercase;
}

.page-contact .ct-hero__phone-v {
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--yk-paper);
}

.page-contact .ct-hero__mail-v {
  font-size: clamp(13px, 1.6vw, 16px);
  color: var(--yk-paper);
  word-break: break-all;
}

.page-contact .ct-hero__status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--yk-mist);
}

.page-contact .ct-hero__status-dot {
  width: 8px;
  height: 8px;
  background: var(--yk-mint);
  box-shadow: 0 0 0 4px rgba(46, 242, 200, 0.14);
  flex: 0 0 auto;
}

.page-contact .ct-hero__aside {
  border: 1px solid var(--ct-line);
  background: var(--ct-deep);
  padding: clamp(20px, 3.4vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .ct-hero__aside-title {
  font-family: var(--yk-font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.25;
  color: var(--yk-paper);
}

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

.page-contact .ct-lane {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--ct-line);
  transition: background 200ms var(--yk-ease), padding-left 200ms var(--yk-ease);
}

.page-contact .ct-lane:hover {
  background: rgba(255, 107, 44, 0.06);
  padding-left: 8px;
}

.page-contact .ct-lane__idx {
  font-size: 11px;
  color: var(--yk-mint);
  letter-spacing: 0.06em;
  flex: 0 0 auto;
}

.page-contact .ct-lane__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}

.page-contact .ct-lane__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--yk-paper);
}

.page-contact .ct-lane__hint {
  font-size: 12px;
  color: var(--yk-mist);
}

.page-contact .ct-lane__arrow {
  color: var(--yk-orange);
  font-size: 16px;
  flex: 0 0 auto;
  transition: transform 200ms var(--yk-ease);
}

.page-contact .ct-lane:hover .ct-lane__arrow {
  transform: translateX(4px);
}

.page-contact .ct-hero__aside-note {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--yk-mist);
  line-height: 1.7;
}

.page-contact .ct-hero__aside-note a {
  color: var(--yk-orange);
  border-bottom: 1px solid rgba(255, 107, 44, 0.4);
}

/* 章节通用 */
.page-contact .ct-section {
  padding: var(--ct-pad) 0;
  scroll-margin-top: calc(var(--yk-hdr-h) + 12px);
}

.page-contact .ct-channels,
.page-contact .ct-response {
  background: var(--ct-soft);
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-section__head {
  max-width: 44rem;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .ct-section__title {
  font-family: var(--yk-font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.8vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 10px 0 12px;
  color: var(--yk-paper);
}

.page-contact .ct-section__sub {
  margin: 0;
  font-size: 15px;
  color: var(--yk-mist);
  line-height: 1.75;
}

/* 联系渠道 */
.page-contact .ct-channels__grid {
  display: grid;
  gap: 16px;
}

.page-contact .ct-channel {
  position: relative;
  background: var(--yk-900);
  border: 1px solid var(--ct-line);
  padding: clamp(20px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 240ms var(--yk-ease), border-color 240ms var(--yk-ease);
}

.page-contact .ct-channel:hover {
  border-color: var(--yk-orange);
  transform: translateY(-2px);
}

.page-contact .ct-channel__tag {
  align-self: flex-start;
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 3px 8px;
  border: 1px solid var(--ct-line);
  color: var(--yk-mist);
  background: var(--ct-deep);
}

.page-contact .ct-channel--phone .ct-channel__tag {
  border-color: var(--yk-orange);
  color: var(--yk-orange);
}

.page-contact .ct-channel--mail .ct-channel__tag {
  border-color: var(--yk-mint);
  color: var(--yk-mint);
}

.page-contact .ct-channel__name {
  font-family: var(--yk-font-display);
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--yk-paper);
}

.page-contact .ct-channel__value {
  font-size: 16px;
  font-weight: 600;
  color: var(--yk-paper);
  word-break: break-all;
  border-bottom: 1px dashed transparent;
  transition: color 200ms var(--yk-ease), border-color 200ms var(--yk-ease);
}

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

.page-contact .ct-channel__value--addr {
  font-style: normal;
  font-size: 14px;
  line-height: 1.6;
  color: var(--yk-paper);
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--yk-mist);
}

.page-contact .ct-channel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--ct-line);
  padding-top: 14px;
}

.page-contact .ct-channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  color: var(--yk-mist);
  line-height: 1.6;
}

.page-contact .ct-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 1.5px;
  background: var(--yk-mint);
}

/* 合作类型 */
.page-contact .ct-partners__grid {
  display: grid;
  gap: 26px;
}

.page-contact .ct-partners__head {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .ct-partners__head .ct-section__sub {
  max-width: 34em;
}

.page-contact .ct-partners__note {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--yk-orange);
  background: var(--ct-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--yk-paper);
}

.page-contact .ct-partners__cta {
  align-self: flex-start;
  margin-top: 4px;
}

.page-contact .ct-partners__list {
  border-top: 1px solid var(--ct-line);
  border-left: 1px solid var(--ct-line);
  border-right: 1px solid var(--ct-line);
}

.page-contact .ct-partner {
  border-bottom: 1px solid var(--ct-line);
  background: var(--ct-soft);
}

.page-contact .ct-partner__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  background: var(--yk-900);
  transition: background 220ms var(--yk-ease);
}

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

.page-contact .ct-partner__sum:hover {
  background: var(--ct-deep);
}

.page-contact .ct-partner[open] .ct-partner__sum {
  background: var(--ct-deep);
  border-left: 3px solid var(--yk-orange);
  padding-left: 15px;
}

.page-contact .ct-partner__idx {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--yk-mint);
  flex: 0 0 auto;
}

.page-contact .ct-partner__name {
  font-weight: 700;
  font-size: 15px;
  color: var(--yk-paper);
  flex: 0 0 auto;
}

.page-contact .ct-partner__meta {
  flex: 1;
  font-size: 12px;
  color: var(--yk-mist);
  line-height: 1.5;
  min-width: 0;
}

.page-contact .ct-partner__icon {
  width: 14px;
  height: 14px;
  position: relative;
  flex: 0 0 auto;
}

.page-contact .ct-partner__icon::before,
.page-contact .ct-partner__icon::after {
  content: "";
  position: absolute;
  background: var(--yk-orange);
}

.page-contact .ct-partner__icon::before {
  width: 14px;
  height: 1.5px;
  top: 6.25px;
  left: 0;
}

.page-contact .ct-partner__icon::after {
  width: 1.5px;
  height: 14px;
  top: 0;
  left: 6.25px;
  transition: transform 200ms var(--yk-ease), opacity 200ms var(--yk-ease);
}

.page-contact .ct-partner[open] .ct-partner__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .ct-partner__body {
  padding: 14px 18px 22px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--yk-mist);
}

.page-contact .ct-partner__body p {
  margin: 0 0 10px;
  color: var(--yk-paper);
}

.page-contact .ct-partner__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-contact .ct-partner__body li::marker {
  color: var(--yk-orange);
}

/* 咨询前准备 */
.page-contact .ct-prep__grid {
  display: grid;
  gap: 16px;
}

.page-contact .ct-prep__card {
  position: relative;
  border: 1px solid var(--ct-line);
  background: var(--ct-soft);
  padding: 24px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .ct-prep__card--search {
  border-top: 3px solid var(--yk-mint);
}

.page-contact .ct-prep__card--match {
  border-top: 3px solid var(--yk-orange);
}

.page-contact .ct-prep__card--venue {
  border-top: 3px solid var(--yk-gold);
}

.page-contact .ct-prep__num {
  font-size: 12px;
  color: var(--yk-mist);
  letter-spacing: 0.08em;
}

.page-contact .ct-prep__name {
  font-family: var(--yk-font-display);
  font-size: 17px;
  font-weight: 800;
  margin: 0;
  color: var(--yk-paper);
}

.page-contact .ct-prep__card > p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--yk-mist);
}

.page-contact .ct-prep__list {
  margin: 6px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--yk-mist);
  line-height: 1.65;
}

.page-contact .ct-prep__list li::marker {
  color: var(--yk-mint);
}

.page-contact .ct-prep__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  color: var(--yk-orange);
  border-bottom: 1px solid rgba(255, 107, 44, 0.45);
  padding-bottom: 2px;
}

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

/* 服务时间与响应 */
.page-contact .ct-response__grid {
  display: grid;
  gap: 26px;
}

.page-contact .ct-response__media {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

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

.page-contact .ct-response__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.page-contact .ct-response__table-wrap {
  margin-top: 4px;
}

.page-contact .ct-response__table {
  width: 100%;
}

.page-contact .ct-response__note {
  padding: 12px 14px;
  border: 1px dashed var(--ct-line);
  font-size: 13px;
  color: var(--yk-mist);
  line-height: 1.7;
}

/* 办公地址 */
.page-contact .ct-address__grid {
  display: grid;
  gap: 22px;
  border: 1px solid var(--ct-line);
  background: var(--ct-deep);
}

.page-contact .ct-address__map {
  position: relative;
  background: var(--yk-900);
  color: var(--yk-mist);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-address__svg {
  width: 100%;
  height: auto;
  max-width: 420px;
  display: block;
}

.page-contact .ct-address__body {
  padding: clamp(20px, 3.4vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .ct-address__list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-address__list > div {
  display: grid;
  gap: 4px;
  border-left: 2px solid var(--yk-orange);
  padding-left: 12px;
}

.page-contact .ct-address__list dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yk-mist);
  text-transform: uppercase;
}

.page-contact .ct-address__list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--yk-paper);
}

.page-contact .ct-address__cta {
  align-self: flex-start;
}

/* 表单 */
.page-contact .ct-form__grid {
  display: grid;
  gap: 26px;
}

.page-contact .ct-form__intro {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 34em;
}

.page-contact .ct-form__intro .ct-section__title {
  margin: 0;
}

.page-contact .ct-form__intro p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yk-mist);
}

.page-contact .ct-form__hint {
  padding: 12px 14px;
  background: var(--ct-soft);
  border-left: 2px solid var(--yk-mint);
  font-size: 13.5px !important;
  color: var(--yk-paper) !important;
  line-height: 1.7;
}

.page-contact .ct-form__hint--muted {
  border-left-color: var(--ct-line);
  background: transparent;
  color: var(--yk-mist) !important;
  padding: 0;
}

.page-contact .ct-form__hint a {
  color: var(--yk-orange);
  border-bottom: 1px solid rgba(255, 107, 44, 0.45);
}

.page-contact .ct-form__panel {
  border: 1px solid var(--ct-line);
  background: var(--ct-soft);
  padding: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 16px;
}

.page-contact .ct-form__row {
  display: grid;
  gap: 6px;
}

.page-contact .ct-form__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yk-mist);
  text-transform: uppercase;
}

.page-contact .ct-form__req {
  color: var(--yk-orange);
  margin-left: 2px;
}

.page-contact .ct-form__input {
  font: inherit;
  width: 100%;
  box-sizing: border-box;
  background: var(--yk-900);
  border: 1px solid var(--ct-line);
  color: var(--yk-paper);
  padding: 12px 14px;
  border-radius: 0;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color 200ms var(--yk-ease), box-shadow 200ms var(--yk-ease);
}

.page-contact .ct-form__input::placeholder {
  color: rgba(157, 174, 203, 0.55);
}

.page-contact .ct-form__input:focus {
  outline: none;
  border-color: var(--yk-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.18);
}

.page-contact .ct-form__input:invalid:not(:placeholder-shown) {
  border-color: var(--yk-deep);
}

.page-contact .ct-form__input--select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--yk-mist) 50%),
    linear-gradient(135deg, var(--yk-mist) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.page-contact .ct-form__input--textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.7;
}

.page-contact .ct-form__legal {
  margin: 0;
  font-size: 12px;
  color: var(--yk-mist);
  line-height: 1.7;
}

.page-contact .ct-form__legal a {
  color: var(--yk-orange);
}

.page-contact .ct-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.page-contact .ct-form__submit,
.page-contact .ct-form__reset {
  font: inherit;
  cursor: pointer;
}

/* 回到顶部 */
.page-contact .ct-top {
  padding: 8px 0 48px;
}

.page-contact .ct-top__link {
  display: inline-block;
  font-size: 13px;
  color: var(--yk-mist);
  border-bottom: 1px solid var(--ct-line);
  padding-bottom: 3px;
  transition: color 200ms var(--yk-ease), border-color 200ms var(--yk-ease);
}

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

/* 桌面布局 */
@media (min-width: 720px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-channels__grid .ct-channel--addr {
    grid-column: 1 / -1;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-prep__grid .ct-prep__card--venue {
    grid-column: 1 / -1;
  }

  .page-contact .ct-form__panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-form__row--full,
  .page-contact .ct-form__legal,
  .page-contact .ct-form__actions {
    grid-column: 1 / -1;
  }

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

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

  .page-contact .ct-address__map {
    border-bottom: none;
    border-right: 1px solid var(--ct-line);
    min-height: 100%;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero {
    padding-top: clamp(36px, 4.6vw, 72px);
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 28px;
    align-items: stretch;
  }

  .page-contact .ct-hero__lead {
    min-height: 540px;
  }

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

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

  .page-contact .ct-channels__grid .ct-channel--addr {
    grid-column: auto;
  }

  .page-contact .ct-partners__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

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

  .page-contact .ct-prep__grid .ct-prep__card--venue {
    grid-column: auto;
  }

  .page-contact .ct-form__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 44px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>