.page-contact {
  background: var(--abyss);
  color: var(--white);
  overflow-x: clip;
}

.page-contact .section {
  padding: clamp(44px, 7vw, 96px) 0;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -.02em;
  margin: 10px 0 0;
}

.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 14px 0 0;
}

.page-contact .section-head {
  max-width: 62ch;
}

.page-contact .ct-lede {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
  max-width: 46ch;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 4vw, 34px) 0 clamp(40px, 7vw, 84px);
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
}

.page-contact .ct-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(115% 85% at 84% 6%, rgba(63, 242, 208, .16), transparent 62%),
    linear-gradient(172deg, rgba(4, 18, 31, .58) 0%, rgba(4, 18, 31, .9) 54%, var(--abyss) 100%);
}

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

.page-contact .ct-hero .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 44px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .ct-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.025em;
  margin: 12px 0 0;
  max-width: 20ch;
}

.page-contact .ct-hero__text {
  margin: 20px 0 0;
  max-width: 44ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-hero__aside {
  border-top: 1px solid var(--grid);
  padding-top: 16px;
}

.page-contact .ct-hero__aside .mono-label {
  color: var(--signal-dim);
}

.page-contact .ct-hero__hours {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--signal);
  margin: 8px 0 0;
}

.page-contact .ct-hero__note {
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 联系牌 ---------- */
.page-contact .ct-channels {
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-plate-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .ct-plate {
  position: relative;
  background: linear-gradient(178deg, var(--hull) 0%, var(--trench) 100%);
  border-left: 2px solid var(--accent-ct, var(--signal));
  padding: 26px 22px 24px;
  transition: background-color var(--dur) var(--ease);
}

.page-contact .ct-plate::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: var(--abyss);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-contact .ct-plate--phone {
  --accent-ct: var(--signal);
}

.page-contact .ct-plate--support {
  --accent-ct: var(--coral);
}

.page-contact .ct-plate--general {
  --accent-ct: var(--deep-cyan);
}

.page-contact .ct-plate__lamp {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-ct, var(--signal));
  box-shadow: 0 0 12px var(--accent-ct, var(--signal));
  transition: box-shadow var(--dur) var(--ease);
}

.page-contact .ct-plate:hover .ct-plate__lamp,
.page-contact .ct-plate:focus-within .ct-plate__lamp {
  box-shadow: 0 0 0 5px rgba(234, 247, 245, .1), 0 0 20px var(--accent-ct, var(--signal));
}

.page-contact .ct-plate__index {
  margin: 14px 0 0;
  color: var(--mist);
}

.page-contact .ct-plate__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-plate__value {
  display: block;
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.1vw, 23px);
  letter-spacing: .01em;
  color: var(--accent-ct, var(--signal));
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ct-plate__value:hover,
.page-contact .ct-plate__value:focus-visible {
  border-color: var(--accent-ct, var(--signal));
}

.page-contact .ct-plate__value--mail {
  font-size: clamp(13px, 1.35vw, 16px);
  letter-spacing: .02em;
}

.page-contact .ct-copy {
  margin-top: 16px;
}

/* ---------- 反馈材料 ---------- */
.page-contact .ct-report {
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-report__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .ct-report__media {
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--trench);
}

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

.page-contact .ct-report__media .media__caption {
  display: block;
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-report__intro {
  margin: 14px 0 22px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 48ch;
}

.page-contact .ct-acc {
  border-top: 1px solid var(--grid);
}

.page-contact .ct-acc:last-of-type {
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-acc__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--white);
}

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

.page-contact .ct-acc__sum:hover .ct-acc__title,
.page-contact .ct-acc__sum:focus-visible .ct-acc__title {
  color: var(--signal);
}

.page-contact .ct-acc__sum:focus-visible {
  outline: 1px solid var(--signal);
  outline-offset: 3px;
}

.page-contact .ct-acc__no {
  flex: none;
  color: var(--signal-dim);
}

.page-contact .ct-acc__sign {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  margin-left: auto;
}

.page-contact .ct-acc__sign::before,
.page-contact .ct-acc__sign::after {
  content: "";
  position: absolute;
  background: var(--signal);
  transition: transform var(--dur) var(--ease);
}

.page-contact .ct-acc__sign::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-contact .ct-acc__sign::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-contact .ct-acc[open] .ct-acc__sign::after {
  transform: scaleY(0);
}

.page-contact .ct-acc__body {
  padding: 0 0 18px 30px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .ct-acc__body p {
  margin: 0;
  max-width: 44ch;
}

/* ---------- 合作 ---------- */
.page-contact .ct-coop {
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-coop__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .ct-coop__card {
  padding: 22px 20px 24px;
  border-top: 2px solid var(--signal-dim);
  background: linear-gradient(180deg, rgba(11, 44, 63, .92), rgba(7, 30, 46, .92));
}

.page-contact .ct-coop__tag {
  color: var(--amber);
  margin: 0;
}

.page-contact .ct-coop__card h3 {
  margin-top: 10px;
}

.page-contact .ct-coop__card > p:not(.mono-label) {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-coop__need {
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--grid);
}

.page-contact .ct-coop__need li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.page-contact .ct-coop__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 1px;
  background: var(--signal-dim);
}

/* ---------- 服务时段 ---------- */
.page-contact .ct-sla {
  background: var(--trench);
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-sla__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-sla__lead .mono-label {
  color: var(--signal-dim);
  display: block;
  margin: 0;
}

.page-contact .ct-sla__clock {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(40px, 8vw, 72px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--signal);
}

.page-contact .ct-sla__clock span {
  color: var(--signal-dim);
  padding: 0 .06em;
}

.page-contact .ct-sla__sub {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .ct-sla__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .ct-sla__list li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--grid);
}

.page-contact .ct-sla__k {
  color: var(--amber);
}

.page-contact .ct-sla__v {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 地址 ---------- */
.page-contact .ct-address {
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-address__card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--grid);
  background-color: rgba(7, 30, 46, .55);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 46px 46px;
  background-position: center;
}

.page-contact .ct-address__text {
  max-width: 52ch;
}

.page-contact .ct-address__text .mono-label {
  margin: 0;
  color: var(--coral);
}

.page-contact .ct-address__line {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 24px);
  line-height: 1.5;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-address__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-copy--wide {
  flex: none;
}

/* ---------- 延伸入口 ---------- */
.page-contact .ct-next h2 {
  max-width: 24ch;
}

.page-contact .ct-next__links {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-next__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 16px 18px;
  border: 1px solid var(--grid);
  background: rgba(11, 44, 63, .5);
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .ct-next__link .mono-label {
  color: var(--signal);
}

.page-contact .ct-next__link:hover,
.page-contact .ct-next__link:focus-visible {
  border-color: var(--signal);
  background: rgba(11, 44, 63, .9);
}

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

  .page-contact .ct-next__links {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, .7fr);
    align-items: end;
  }

  .page-contact .ct-hero__aside {
    border-top: 0;
    border-left: 1px solid var(--grid);
    padding-top: 0;
    padding-left: 22px;
  }

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

  .page-contact .ct-plate:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .ct-plate:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .ct-report__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

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

  .page-contact .ct-sla__inner {
    grid-template-columns: minmax(0, .6fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

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

  .page-contact .ct-next__link {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-plate__lamp,
  .page-contact .ct-acc__sign::before,
  .page-contact .ct-acc__sign::after,
  .page-contact .ct-next__link,
  .page-contact .ct-plate__value {
    transition: none;
  }
}