.page-contact {
  --pc-sticky-top: 104px;
  --pc-step-line: rgba(192, 138, 62, .5);
  overflow-x: clip;
}

/* ---------- Hero ---------- */
.page-contact .pc-hero {
  position: relative;
  background: var(--ky-indigo);
  color: var(--ky-paper);
  padding: clamp(40px, 8vw, 88px) 0 clamp(48px, 8vw, 96px);
  isolation: isolate;
}

.page-contact .pc-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .34;
}

.page-contact .pc-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(14, 27, 58, .96) 0%, rgba(14, 27, 58, .82) 46%, rgba(22, 38, 77, .58) 100%);
}

.page-contact .pc-hero__inner {
  position: relative;
}

.page-contact .pc-hero__crumb {
  margin-bottom: clamp(20px, 4vw, 36px);
  color: var(--ky-mist);
}

.page-contact .pc-hero__crumb a {
  color: var(--ky-copper-light);
  text-decoration: none;
}

.page-contact .pc-hero__crumb a:hover {
  text-decoration: underline;
}

.page-contact .pc-hero__title {
  margin: 12px 0 0;
  max-width: 15em;
  color: var(--ky-paper);
  font-family: var(--ky-font-display);
  font-size: clamp(34px, 7vw, 76px);
  line-height: 1.08;
  letter-spacing: -.02em;
}

.page-contact .pc-hero__lede {
  margin-top: clamp(18px, 3vw, 28px);
  max-width: 40em;
  color: rgba(246, 242, 233, .86);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
}

.page-contact .pc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: var(--ky-line);
  border-radius: var(--ky-radius-pill);
  background: rgba(22, 38, 77, .55);
  color: rgba(246, 242, 233, .9);
  font-size: 13px;
  letter-spacing: .02em;
}

.page-contact .pc-hero__facts .ky-num {
  color: var(--ky-copper-light);
  font-size: 16px;
  font-weight: 600;
}

/* ---------- 分栏：左侧联系卡 + 右侧流程 ---------- */
.page-contact .pc-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .pc-contactcard {
  position: relative;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid rgba(192, 138, 62, .6);
  border-radius: var(--ky-radius-card);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(47, 191, 176, .16), transparent 58%),
    var(--ky-indigo);
  color: var(--ky-paper);
  box-shadow: var(--ky-shadow);
}

.page-contact .pc-contactcard__label {
  margin: 0;
  color: var(--ky-copper-light);
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.page-contact .pc-contactcard__title {
  margin: 10px 0 20px;
  color: var(--ky-paper);
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.35;
}

.page-contact .pc-contactcard__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-contactcard__row {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(246, 242, 233, .06);
  border-left: 3px solid var(--ky-copper);
}

.page-contact .pc-contactcard__row dt {
  margin-bottom: 6px;
  color: var(--ky-mist);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-contact .pc-contactcard__row dd {
  margin: 0;
  color: var(--ky-paper);
  font-size: 16px;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .pc-contactcard__row dd.ky-num {
  font-size: 17px;
  color: #FFFFFF;
}

.page-contact .pc-contactcard__note {
  margin: 16px 0 0;
  color: rgba(227, 232, 240, .84);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .pc-contactcard__stamp {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: var(--ky-line-soft);
  color: var(--ky-copper-light);
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- 步骤 ---------- */
.page-contact .pc-flow__title,
.page-contact .pc-prep__title,
.page-contact .pc-forms__title,
.page-contact .pc-region__title,
.page-contact .pc-next__title {
  margin: 12px 0 0;
  color: var(--ky-indigo);
  font-family: var(--ky-font-display);
  line-height: 1.22;
  letter-spacing: -.01em;
}

.page-contact .pc-flow__intro,
.page-contact .pc-prep__intro,
.page-contact .pc-forms__intro {
  margin: 16px 0 0;
  max-width: 42em;
  color: var(--ky-ink);
  font-size: 16.5px;
  line-height: 1.85;
}

.page-contact .pc-steps {
  margin-top: clamp(24px, 4vw, 36px);
  padding-left: 6px;
}

.page-contact .pc-step {
  position: relative;
  padding: 0 0 22px 40px;
  border-left: 1px solid var(--pc-step-line);
}

.page-contact .pc-step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ky-paper);
  border: 3px solid var(--ky-copper);
}

.page-contact .pc-step[open]::before {
  background: var(--ky-cyan);
  border-color: var(--ky-cyan);
}

.page-contact .pc-step > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  cursor: pointer;
  list-style: none;
  padding-bottom: 6px;
}

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

.page-contact .pc-step__no {
  color: var(--ky-copper);
  font-size: 20px;
  font-weight: 600;
}

.page-contact .pc-step__title {
  color: var(--ky-indigo);
  font-family: var(--ky-font-sans);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .pc-step__hint {
  margin-left: auto;
  padding: 4px 12px;
  border-radius: var(--ky-radius-pill);
  background: var(--ky-cloud);
  color: #35406B;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .02em;
}

.page-contact .pc-step__body {
  padding: 6px 0 4px;
  border-top: var(--ky-line-soft);
  margin-top: 12px;
}

.page-contact .pc-step__body p {
  margin: 12px 0 0;
  color: #2C3345;
  font-size: 15.5px;
  line-height: 1.9;
}

.page-contact .pc-flow__figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-contact .pc-flow__figure .ky-figure__frame {
  border-radius: var(--ky-radius-card);
  overflow: hidden;
  border: var(--ky-line);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-checklist {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-contact .pc-check {
  position: relative;
}

.page-contact .pc-check input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.page-contact .pc-check label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid rgba(152, 164, 188, .5);
  border-radius: 20px;
  background: var(--ky-paper);
  cursor: pointer;
  transition: border-color .24s var(--ky-ease), transform .24s var(--ky-ease);
}

.page-contact .pc-check label:hover {
  transform: translateY(-2px);
  border-color: var(--ky-copper);
}

.page-contact .pc-check__box {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 7px;
  border: 2px solid var(--ky-copper);
  background: #FFFFFF;
  position: relative;
  transition: background .2s var(--ky-ease), border-color .2s var(--ky-ease);
}

.page-contact .pc-check__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid #FFFFFF;
  border-bottom: 2px solid #FFFFFF;
  transform: rotate(40deg) scale(0);
  transition: transform .2s var(--ky-ease);
}

.page-contact .pc-check input:checked + label {
  border-color: var(--ky-cyan);
  background: #FFFFFF;
}

.page-contact .pc-check input:checked + label .pc-check__box {
  background: var(--ky-cyan);
  border-color: var(--ky-cyan);
}

.page-contact .pc-check input:checked + label .pc-check__box::after {
  transform: rotate(40deg) scale(1);
}

.page-contact .pc-check input:focus-visible + label {
  outline: 2px solid var(--ky-indigo);
  outline-offset: 3px;
}

.page-contact .pc-check__text {
  color: #2C3345;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .pc-check__text strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ky-indigo);
  font-size: 16px;
  font-weight: 700;
}

.page-contact .pc-prep__foot {
  margin: 22px 0 0;
  color: #55607A;
  font-size: 13.5px;
  line-height: 1.8;
}

/* ---------- 合作形态 ---------- */
.page-contact .pc-forms__grid {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .pc-formcard {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 24px;
  border-radius: var(--ky-radius-card);
  border: var(--ky-line);
  background: #FFFFFF;
}

.page-contact .pc-formcard__no {
  margin: 0;
  color: var(--ky-copper);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
}

.page-contact .pc-formcard h3 {
  margin: 0;
  color: var(--ky-indigo);
  font-size: 21px;
}

.page-contact .pc-formcard p {
  margin: 0;
  color: #2C3345;
  font-size: 15.5px;
  line-height: 1.85;
}

.page-contact .pc-formcard__meta {
  margin-top: auto !important;
  padding-top: 14px;
  border-top: var(--ky-line-soft);
  color: #55607A !important;
  font-size: 13px !important;
  letter-spacing: .02em;
}

.page-contact .pc-forms__note {
  margin: 26px 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--ky-cyan);
  border-radius: 0 16px 16px 0;
  background: var(--ky-cloud);
  color: #2C3345;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 地域与备案 ---------- */
.page-contact .pc-region {
  color: var(--ky-paper);
}

.page-contact .pc-region__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .pc-region__title {
  color: var(--ky-paper);
}

.page-contact .pc-region__text {
  margin: 16px 0 0;
  max-width: 40em;
  color: rgba(227, 232, 240, .86);
  font-size: 16px;
  line-height: 1.9;
}

.page-contact .pc-region__text .ky-num {
  color: var(--ky-copper-light);
}

.page-contact .pc-region__aside {
  display: flex;
  gap: 18px;
  padding: 22px 22px 22px 18px;
  border: var(--ky-line);
  border-radius: var(--ky-radius-card);
  background: rgba(22, 38, 77, .72);
}

.page-contact .pc-region__vertical {
  margin: 0;
  color: var(--ky-copper-light);
  letter-spacing: .18em;
  font-size: 12px;
}

.page-contact .pc-region__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  flex: 1;
}

.page-contact .pc-region__list dt {
  color: var(--ky-mist);
  font-size: 12.5px;
  letter-spacing: .06em;
}

.page-contact .pc-region__list dd {
  margin: 4px 0 0;
  color: var(--ky-paper);
  font-size: 16px;
}

/* ---------- 下一步 ---------- */
.page-contact .pc-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-contact .pc-next__text {
  margin: 16px 0 0;
  max-width: 40em;
  color: var(--ky-ink);
  font-size: 16px;
  line-height: 1.85;
}

.page-contact .pc-next__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-contact .pc-next__plain {
  color: var(--ky-indigo);
  font-size: 14.5px;
  text-decoration: underline;
  text-decoration-color: rgba(192, 138, 62, .7);
  text-underline-offset: 5px;
}

.page-contact .pc-next__plain:hover {
  color: var(--ky-copper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .pc-columns {
    grid-template-columns: minmax(280px, 350px) minmax(0, 1fr);
  }

  .page-contact .pc-contactcard {
    position: sticky;
    top: var(--pc-sticky-top);
  }

  .page-contact .pc-formcard--offset {
    transform: translateY(28px);
  }

  .page-contact .pc-region__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, .85fr);
  }

  .page-contact .pc-next__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  }

  .page-contact .pc-next__links {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-check:nth-child(4) {
    grid-column: 1 / span 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-check label,
  .page-contact .pc-check__box,
  .page-contact .pc-check__box::after {
    transition: none;
  }

  .page-contact .pc-formcard--offset {
    transform: none;
  }
}