.page-contact {
  --ct-cut: 18px;
}

/* 面包屑 */
.page-contact .ct-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 26px);
  font-size: 13px;
  color: var(--lk-mist);
}
.page-contact .lk-breadcrumb__link {
  color: var(--lk-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--lk-ease), border-color .18s var(--lk-ease);
}
.page-contact .lk-breadcrumb__link:hover {
  color: var(--lk-lime);
  border-bottom-color: var(--lk-lime);
}
.page-contact .lk-breadcrumb__link:focus-visible {
  outline: 2px solid var(--lk-lime);
  outline-offset: 3px;
  color: var(--lk-lime);
}
.page-contact .lk-breadcrumb__sep { color: var(--lk-line-soft); }
.page-contact .ct-crumb__now { color: var(--lk-paper); }

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(48px, 7vw, 96px);
  background:
    radial-gradient(120% 85% at 88% -10%, rgba(198, 255, 61, .12), transparent 58%),
    radial-gradient(80% 60% at 0% 100%, rgba(27, 77, 90, .38), transparent 62%),
    linear-gradient(180deg, var(--lk-deep), var(--lk-night) 72%);
  border-bottom: 1px solid var(--lk-line);
}
.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -34% -12%;
  height: 62%;
  background: repeating-linear-gradient(-18deg, rgba(198, 255, 61, .07) 0 1px, transparent 1px 26px);
  pointer-events: none;
}
.page-contact .ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}
.page-contact .ct-hero__eyebrow {
  margin: 0 0 10px;
  color: var(--lk-lime);
}
.page-contact .ct-hero__title {
  margin: 0;
  font-family: var(--lk-font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--lk-paper);
  text-wrap: balance;
}
.page-contact .ct-hero__title span {
  display: block;
  color: var(--lk-lime);
}
.page-contact .ct-hero__lead {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--lk-mist);
}

/* 邮箱主块 */
.page-contact .ct-mail {
  margin-top: clamp(24px, 4vw, 36px);
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(150deg, rgba(18, 59, 50, .92), rgba(6, 26, 22, .78));
  border: 1px solid var(--lk-line);
  border-left: 3px solid var(--lk-lime);
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, 0 100%);
}
.page-contact .ct-mail__label {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--lk-mist);
}
.page-contact .ct-mail__addr {
  margin: 8px 0 18px;
  font-family: var(--lk-font-mono);
  font-weight: 500;
  font-size: clamp(17px, 4.6vw, 30px);
  letter-spacing: .01em;
  line-height: 1.25;
  color: var(--lk-paper);
  overflow-wrap: anywhere;
}
.page-contact .ct-mail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .ct-btn {
  font-size: 14px;
}
.page-contact .ct-btn--sm {
  justify-self: start;
  font-size: 13px;
  padding: 7px 14px;
}

/* 电话回拨 */
.page-contact .ct-callback {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px dashed var(--lk-line-soft);
}
.page-contact .ct-callback__k {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lk-orange);
}
.page-contact .ct-callback__v {
  margin: 0;
  font-family: var(--lk-font-mono);
  font-size: clamp(16px, 4vw, 20px);
  color: var(--lk-paper);
}
.page-contact .ct-callback__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--lk-mist);
}

/* 右侧路径图 */
.page-contact .ct-route {
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-contact .ct-route__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--lk-line);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  overflow: hidden;
  background: var(--lk-deep);
}
.page-contact .ct-route__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.85);
}
.page-contact .ct-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .ct-route__item {
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: baseline;
  gap: 10px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--lk-mist);
  background: rgba(6, 26, 22, .5);
  border-left: 1px solid var(--lk-line-soft);
  transition: background .18s var(--lk-ease), border-color .18s var(--lk-ease);
}
.page-contact .ct-route__item:nth-child(1) { border-left-color: var(--lk-lime); }
.page-contact .ct-route__item:nth-child(2) { border-left-color: rgba(198, 255, 61, .55); }
.page-contact .ct-route__item:nth-child(3) { border-left-color: rgba(198, 255, 61, .28); }
.page-contact .ct-route__item:hover { background: rgba(18, 59, 50, .72); }
.page-contact .ct-route__item strong {
  color: var(--lk-paper);
  font-weight: 600;
  margin-right: 4px;
}
.page-contact .ct-route__idx {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--lk-lime);
}

/* 色带 */
.page-contact .ct-band {
  height: 6px;
  background: linear-gradient(90deg, var(--lk-lime), var(--lk-blue) 55%, var(--lk-orange));
  opacity: .8;
}
.page-contact .ct-band--thin { height: 3px; opacity: .55; }

/* 章节通用 */
.page-contact .ct-section {
  padding: clamp(48px, 8vw, 104px) 0;
}
.page-contact .ct-head {
  margin-bottom: clamp(24px, 4vw, 44px);
}
.page-contact .ct-head__num {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--lk-lime);
}
.page-contact .ct-head__title {
  margin: 0;
  font-family: var(--lk-font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--lk-paper);
}
.page-contact .ct-head__lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--lk-mist);
}

/* 选项卡 */
.page-contact .ct-tabs { position: relative; }
.page-contact .ct-tabs__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .ct-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.6vw, 24px);
}
.page-contact .ct-tabs__tab {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--lk-mist);
  background: rgba(18, 59, 50, .55);
  border: 1px solid var(--lk-line-soft);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color .18s var(--lk-ease), background .18s var(--lk-ease), border-color .18s var(--lk-ease);
}
.page-contact .ct-tabs__tab:hover {
  color: var(--lk-paper);
  border-color: var(--lk-lime);
}
.page-contact #ct-coop-1:checked ~ .ct-tabs__bar [for="ct-coop-1"],
.page-contact #ct-coop-2:checked ~ .ct-tabs__bar [for="ct-coop-2"],
.page-contact #ct-coop-3:checked ~ .ct-tabs__bar [for="ct-coop-3"],
.page-contact #ct-coop-4:checked ~ .ct-tabs__bar [for="ct-coop-4"] {
  color: var(--lk-night);
  background: var(--lk-lime);
  border-color: var(--lk-lime);
  font-weight: 600;
}
.page-contact #ct-coop-1:focus-visible ~ .ct-tabs__bar [for="ct-coop-1"],
.page-contact #ct-coop-2:focus-visible ~ .ct-tabs__bar [for="ct-coop-2"],
.page-contact #ct-coop-3:focus-visible ~ .ct-tabs__bar [for="ct-coop-3"],
.page-contact #ct-coop-4:focus-visible ~ .ct-tabs__bar [for="ct-coop-4"] {
  outline: 2px solid var(--lk-lime);
  outline-offset: 3px;
}
.page-contact .ct-tabs__panel { display: none; }
.page-contact #ct-coop-1:checked ~ .ct-tabs__panels > #ct-coop-panel-1,
.page-contact #ct-coop-2:checked ~ .ct-tabs__panels > #ct-coop-panel-2,
.page-contact #ct-coop-3:checked ~ .ct-tabs__panels > #ct-coop-panel-3,
.page-contact #ct-coop-4:checked ~ .ct-tabs__panels > #ct-coop-panel-4 {
  display: block;
}
.page-contact .ct-coop {
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(155deg, var(--lk-lift), rgba(6, 26, 22, .92));
  border: 1px solid var(--lk-line);
  border-top: 2px solid var(--lk-lime);
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, 0 100%);
}
.page-contact .ct-coop__title {
  margin: 0 0 10px;
  font-family: var(--lk-font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: .01em;
  color: var(--lk-lime);
}
.page-contact .ct-coop__text {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--lk-paper);
}
.page-contact .ct-coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-contact .ct-coop__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--lk-mist);
}
.page-contact .ct-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--lk-orange);
}

/* 准备清单 */
.page-contact .ct-section--prep {
  background: linear-gradient(180deg, transparent, rgba(18, 59, 50, .42) 28%, rgba(18, 59, 50, .16) 76%, transparent);
  border-top: 1px solid var(--lk-line-soft);
  border-bottom: 1px solid var(--lk-line-soft);
}
.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .ct-check { position: relative; }
.page-contact .ct-check__box {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.page-contact .ct-check__label {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: rgba(6, 26, 22, .55);
  border: 1px solid var(--lk-line-soft);
  cursor: pointer;
  transition: border-color .18s var(--lk-ease), background .18s var(--lk-ease);
}
.page-contact .ct-check__label:hover { border-color: var(--lk-line); background: rgba(18, 59, 50, .6); }
.page-contact .ct-check__mark {
  display: block;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--lk-mist);
  position: relative;
  transition: background .18s var(--lk-ease), border-color .18s var(--lk-ease);
}
.page-contact .ct-check__box:checked + .ct-check__label { border-color: var(--lk-lime); }
.page-contact .ct-check__box:checked + .ct-check__label .ct-check__mark {
  background: var(--lk-lime);
  border-color: var(--lk-lime);
}
.page-contact .ct-check__box:checked + .ct-check__label .ct-check__mark::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 5px;
  height: 11px;
  border-right: 2px solid var(--lk-night);
  border-bottom: 2px solid var(--lk-night);
  transform: rotate(38deg);
}
.page-contact .ct-check__box:focus-visible + .ct-check__label {
  outline: 2px solid var(--lk-lime);
  outline-offset: 3px;
}
.page-contact .ct-check__body {
  font-size: 14px;
  line-height: 1.85;
  color: var(--lk-mist);
}
.page-contact .ct-check__body strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--lk-paper);
}
.page-contact .ct-prep__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--lk-mist);
}
.page-contact .ct-link {
  color: var(--lk-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .45);
  transition: border-color .18s var(--lk-ease);
}
.page-contact .ct-link:hover { border-bottom-color: var(--lk-lime); }
.page-contact .ct-link:focus-visible {
  outline: 2px solid var(--lk-lime);
  outline-offset: 3px;
}

/* 流程 */
.page-contact .ct-flow {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}
.page-contact .ct-head--left { margin-bottom: clamp(20px, 3vw, 30px); }
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 22px;
}
.page-contact .ct-steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--lk-lime), var(--lk-blue) 68%, transparent);
}
.page-contact .ct-step {
  position: relative;
  padding-left: 30px;
}
.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--lk-lime);
  box-shadow: 0 0 0 4px var(--lk-night), 0 0 0 5px rgba(198, 255, 61, .3);
}
.page-contact .ct-step__k {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lk-orange);
}
.page-contact .ct-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--lk-paper);
}
.page-contact .ct-step__text {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--lk-mist);
}
.page-contact .ct-flow__figure {
  margin: 0;
  align-self: start;
}
.page-contact .ct-flow__media {
  border: 1px solid var(--lk-line);
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, 0 100%);
  overflow: hidden;
  background: var(--lk-deep);
}
.page-contact .ct-flow__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .ct-flow__cap {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lk-mist);
}

/* 联系方式表 */
.page-contact .ct-section--info {
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(198, 255, 61, .07), transparent 60%),
    linear-gradient(180deg, rgba(12, 43, 36, .5), transparent 70%);
}
.page-contact .ct-info {
  margin: 0;
  border-top: 1px solid var(--lk-line);
}
.page-contact .ct-info__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--lk-line-soft);
}
.page-contact .ct-info__row dt {
  font-family: var(--lk-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lk-mist);
}
.page-contact .ct-info__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--lk-paper);
}
.page-contact .ct-info__val {
  font-family: var(--lk-font-mono);
  font-size: clamp(14px, 3.4vw, 18px);
  overflow-wrap: anywhere;
}
.page-contact .ct-info__val--text {
  font-family: var(--lk-font-body);
  font-size: 15px;
  line-height: 1.7;
}
.page-contact .ct-mini {
  font: inherit;
  font-size: 12px;
  line-height: 1;
  padding: 7px 11px;
  color: var(--lk-lime);
  background: transparent;
  border: 1px solid var(--lk-line);
  cursor: pointer;
  transition: background .18s var(--lk-ease), color .18s var(--lk-ease), border-color .18s var(--lk-ease);
}
.page-contact .ct-mini:hover {
  background: var(--lk-lime);
  color: var(--lk-night);
  border-color: var(--lk-lime);
}
.page-contact .ct-mini:focus-visible {
  outline: 2px solid var(--lk-lime);
  outline-offset: 2px;
}

/* 后续入口 */
.page-contact .ct-next {
  display: grid;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
}
.page-contact .ct-next__link {
  display: block;
  padding: 16px 18px;
  text-decoration: none;
  background: var(--lk-lift);
  border: 1px solid var(--lk-line-soft);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: transform .18s var(--lk-ease), border-color .18s var(--lk-ease), background .18s var(--lk-ease);
}
.page-contact .ct-next__link:hover {
  transform: translateY(-2px);
  border-color: var(--lk-lime);
  background: #16453a;
}
.page-contact .ct-next__link:focus-visible {
  outline: 2px solid var(--lk-lime);
  outline-offset: 3px;
}
.page-contact .ct-next__k {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lk-lime);
}
.page-contact .ct-next__t {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--lk-paper);
}
.page-contact .ct-next__d {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--lk-mist);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .ct-head {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 8px 20px;
    align-items: baseline;
  }
  .page-contact .ct-head__num {
    grid-row: 1 / span 2;
    margin: 0;
    padding-top: 6px;
  }
  .page-contact .ct-info__row {
    grid-template-columns: 150px 1fr;
    align-items: center;
    gap: 16px;
  }
  .page-contact .ct-next {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .ct-flow {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-next {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-next__link,
  .page-contact .ct-tabs__tab,
  .page-contact .ct-check__label,
  .page-contact .ct-check__mark,
  .page-contact .ct-route__item,
  .page-contact .lk-breadcrumb__link {
    transition: none;
  }
  .page-contact .ct-next__link:hover { transform: none; }
}