/* ============================================================
   联系我们 · page-contact
   作用域内全部选择器以 .page-contact 前缀限定
   ============================================================ */

.page-contact {
  --ct-gap: clamp(20px, 3vw, 44px);
  --ct-pad: clamp(20px, 2.4vw, 32px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  margin: 0 0 clamp(22px, 3vw, 40px);
}

.page-contact .ct-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--k-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--k-gray);
}

.page-contact .ct-crumb__list li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-contact .ct-crumb__list a {
  color: var(--k-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 227, 210, .35);
  padding-bottom: 1px;
}

.page-contact .ct-crumb__list a:hover {
  color: var(--k-lime);
  border-bottom-color: rgba(168, 255, 58, .5);
}

.page-contact .ct-crumb__list [aria-current="page"] {
  color: var(--k-chalk);
}

/* ---------- 页头 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(26px, 3.4vw, 52px) clamp(40px, 4.6vw, 72px);
  background-color: var(--k-night);
  background-image:
    radial-gradient(120% 92% at 88% 8%, rgba(255, 74, 23, .16), transparent 58%),
    radial-gradient(96% 84% at 4% 98%, rgba(23, 227, 210, .12), transparent 62%);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: var(--k-gutter);
  right: var(--k-gutter);
  bottom: 0;
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--k-line) 0 1px,
    transparent 1px 16px
  );
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: end;
}

.page-contact .ct-hero__title {
  margin: 10px 0 clamp(16px, 2vw, 26px);
  font-family: var(--k-font-display);
  font-weight: 200;
  font-size: clamp(2.5rem, 8.4vw, 6rem);
  line-height: .96;
  letter-spacing: -.025em;
  color: var(--k-chalk);
  max-width: 11em;
}

.page-contact .ct-hero__lede .k-lead {
  max-width: 34em;
  margin-bottom: 0;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 34px);
}

.page-contact .ct-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-contact .k-media {
  position: relative;
  display: block;
  margin: 0;
}

.page-contact .ct-hero__figure .k-media,
.page-contact .ct-sidefigure .k-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--k-line);
  background: var(--k-night-2);
}

.page-contact .k-media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  filter: saturate(.88) contrast(1.06) brightness(.94);
}

.page-contact .k-media__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(23, 227, 210, .10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 227, 210, .10) 1px, transparent 1px);
  background-size: 48px 48px;
  mix-blend-mode: screen;
}

.page-contact .k-media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 8px 12px;
  background: var(--k-night);
  border-top: 1px solid var(--k-line);
  border-right: 1px solid var(--k-line);
  font-family: var(--k-font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--k-gray);
}

/* ---------- 渠道分类 / 联系卡 双栏 ---------- */
.page-contact .ct-lanes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-lanes__main,
.page-contact .ct-lanes__side {
  min-width: 0;
}

.page-contact .ct-lane-list {
  margin: clamp(24px, 3vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--k-line);
}

.page-contact .ct-lane {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(22px, 2.6vw, 36px) clamp(12px, 1.6vw, 22px);
  border-bottom: 1px solid var(--k-line);
  transition: background-color .18s var(--k-ease);
}

.page-contact .ct-lane::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--k-signal);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .18s var(--k-ease);
}

.page-contact .ct-lane:hover,
.page-contact .ct-lane:focus-within {
  background-color: rgba(23, 227, 210, .045);
}

.page-contact .ct-lane:hover::before,
.page-contact .ct-lane:focus-within::before {
  transform: scaleY(1);
}

.page-contact .ct-lane__num {
  font-family: var(--k-font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--k-signal);
  font-variant-numeric: tabular-nums;
  min-width: 2.4ch;
}

.page-contact .ct-lane__title {
  margin: 4px 0 10px;
  font-family: var(--k-font-display);
  font-weight: 300;
  font-size: clamp(1.3rem, 2.3vw, 1.95rem);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--k-chalk);
}

.page-contact .ct-lane__desc {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--k-chalk);
  opacity: .84;
  max-width: 42em;
}

.page-contact .ct-lane__need {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--k-gray);
}

.page-contact .ct-lane__needlabel {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  border: 1px solid var(--k-line);
  font-family: var(--k-font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--k-cyan);
  vertical-align: 1px;
}

.page-contact .ct-lane__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--k-gray);
}

.page-contact .ct-lane__meta a {
  color: var(--k-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 227, 210, .38);
}

.page-contact .ct-lane__meta a:hover {
  color: var(--k-lime);
  border-bottom-color: rgba(168, 255, 58, .55);
}

/* 联系卡 */
.page-contact .ct-card {
  position: relative;
  padding: var(--ct-pad);
  background: var(--k-night-2);
  border: 1px solid var(--k-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .ct-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--k-signal), var(--k-ember));
}

.page-contact .ct-card__title {
  margin: 8px 0 clamp(16px, 2vw, 24px);
  font-family: var(--k-font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  line-height: 1.1;
  color: var(--k-chalk);
}

.page-contact .ct-card__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-top: 1px solid var(--k-line);
}

.page-contact .ct-card__label {
  font-family: var(--k-font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--k-gray);
}

.page-contact .ct-card__value {
  font-family: var(--k-font-mono);
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--k-lime);
  text-decoration: none;
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-card__value:hover {
  color: var(--k-amber);
}

.page-contact .ct-card__value--plain {
  font-family: var(--k-font-body);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.6;
  color: var(--k-chalk);
  word-break: break-word;
}

.page-contact .ct-card__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--k-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--k-gray);
}

/* ---------- 留言表单 ---------- */
.page-contact .ct-formsec__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-formsec__main,
.page-contact .ct-formsec__side {
  min-width: 0;
}

.page-contact .ct-form {
  margin-top: clamp(24px, 3vw, 42px);
  border-top: 1px solid var(--k-line);
}

.page-contact .ct-form__intro {
  margin: 0;
  padding: clamp(16px, 1.8vw, 22px) clamp(12px, 1.4vw, 20px);
  font-size: 14px;
  line-height: 1.75;
  color: var(--k-gray);
  border-bottom: 1px solid var(--k-line);
  background: rgba(17, 41, 61, .55);
}

.page-contact .ct-field {
  margin: 0;
  padding: clamp(20px, 2.2vw, 28px) clamp(12px, 1.4vw, 20px);
  border-bottom: 1px solid var(--k-line);
}

.page-contact .ct-field__legend {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--k-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--k-chalk);
}

.page-contact .ct-field__idx {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--k-signal);
  color: var(--k-signal);
  font-size: 11px;
  line-height: 1;
}

.page-contact .ct-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-choice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--k-line);
  background: rgba(7, 23, 38, .6);
  font-size: 14px;
  line-height: 1.2;
  color: var(--k-chalk);
  cursor: pointer;
  transition: border-color .16s var(--k-ease), background-color .16s var(--k-ease);
}

.page-contact .ct-choice:hover {
  border-color: var(--k-cyan);
  background: rgba(23, 227, 210, .08);
}

.page-contact .ct-choice:focus-within {
  outline: 2px solid var(--k-lime);
  outline-offset: 2px;
}

.page-contact .ct-choice input {
  margin: 0;
  accent-color: var(--k-signal);
}

.page-contact .ct-input,
.page-contact .ct-textarea {
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--k-line);
  border-radius: 0;
  background: #0A2033;
  color: var(--k-chalk);
  font-family: var(--k-font-body);
  font-size: 15px;
  line-height: 1.65;
  transition: border-color .16s var(--k-ease), box-shadow .16s var(--k-ease);
}

.page-contact .ct-textarea {
  resize: vertical;
  min-height: 7em;
}

.page-contact .ct-input::placeholder,
.page-contact .ct-textarea::placeholder {
  color: #5D7590;
}

.page-contact .ct-input:focus,
.page-contact .ct-textarea:focus {
  outline: none;
  border-color: var(--k-lime);
  box-shadow: 0 0 0 2px rgba(168, 255, 58, .32);
}

.page-contact .ct-input:focus-visible,
.page-contact .ct-textarea:focus-visible {
  outline: 2px solid var(--k-lime);
  outline-offset: 1px;
}

.page-contact .ct-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  padding: clamp(20px, 2.2vw, 28px) clamp(12px, 1.4vw, 20px);
}

.page-contact .ct-form__status {
  margin: 0;
  flex: 1 1 15em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--k-gray);
}

/* 表单侧栏 */
.page-contact .ct-formsec__side {
  display: grid;
  gap: clamp(20px, 2.4vw, 32px);
  align-content: start;
}

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

.page-contact .ct-links {
  padding-top: 18px;
  border-top: 1px solid var(--k-line);
}

.page-contact .ct-links__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-links__list li {
  border-bottom: 1px solid var(--k-line);
}

.page-contact .ct-links__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 4px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--k-chalk);
  text-decoration: none;
  transition: color .16s var(--k-ease), padding-left .16s var(--k-ease);
}

.page-contact .ct-links__list a:hover {
  color: var(--k-cyan);
  padding-left: 12px;
}

.page-contact .ct-links__tag {
  flex: none;
  font-family: var(--k-font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--k-gray);
}

/* ---------- 地址使用说明 ---------- */
.page-contact .ct-addr__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(24px, 3vw, 40px);
  border: 1px solid var(--k-line);
  background: var(--k-line);
}

.page-contact .ct-addr__card {
  padding: clamp(22px, 2.6vw, 34px);
  background: var(--k-night);
}

.page-contact .ct-addr__cardtitle {
  margin: 0 0 12px;
  font-family: var(--k-font-display);
  font-weight: 300;
  font-size: clamp(1.2rem, 1.9vw, 1.6rem);
  line-height: 1.2;
  color: var(--k-chalk);
}

.page-contact .ct-addr__cardtitle::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 10px;
  background: var(--k-signal);
  vertical-align: 5px;
}

.page-contact .ct-addr__cardtext {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--k-chalk);
  opacity: .82;
}

/* ---------- 收口条 ---------- */
.page-contact .ct-outro {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
  margin-top: clamp(44px, 5vw, 80px);
  padding-top: 20px;
  border-top: 1px solid var(--k-line);
}

.page-contact .ct-outro__item {
  margin: 0;
  font-family: var(--k-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--k-gray);
}

.page-contact .ct-outro__item strong {
  font-weight: 700;
  color: var(--k-chalk);
  font-variant-numeric: tabular-nums;
}

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

@media (min-width: 880px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .ct-hero__figure {
    align-self: end;
  }
}

@media (min-width: 1020px) {
  .page-contact .ct-lanes__grid,
  .page-contact .ct-formsec__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 68px);
  }

  .page-contact .ct-lanes__side {
    position: sticky;
    top: calc(var(--k-topbar-h) + 24px);
    align-self: start;
  }
}

@media (min-width: 1280px) {
  .page-contact .ct-lane-list {
    margin-top: clamp(30px, 3vw, 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-lane,
  .page-contact .ct-lane::before,
  .page-contact .ct-choice,
  .page-contact .ct-links__list a,
  .page-contact .ct-input,
  .page-contact .ct-textarea {
    transition: none;
  }
}
</main>