/* ===== 反馈通道 / page-contact ===== */

.page-contact {
  --ct-hair: 1px solid var(--grid-line);
  --ct-soft: rgba(232, 241, 248, .72);
}

/* ---- 面包屑 ---- */
.page-contact .ct-crumb {
  padding-block: clamp(18px, 3vw, 30px) 0;
}

/* ---- 首屏 ---- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(16px, 2.5vw, 26px);
  padding-block: clamp(40px, 7vw, 88px) clamp(48px, 8vw, 96px);
  border-top: var(--ct-hair);
  border-bottom: var(--ct-hair);
  background: var(--ink-black);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--deep-sea);
  clip-path: polygon(0 0, 100% 0, 100% 32%, 0 78%);
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(44%, 460px);
  height: 46%;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .55;
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-contact .ct-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-eyebrow span {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--alert);
  letter-spacing: .08em;
}

.page-contact .ct-hero h1 {
  margin: 0 0 20px;
  max-width: 20ch;
  font-size: clamp(29px, 6.2vw, 60px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--ice);
}

.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--soft, var(--mist));
}

.page-contact .ct-hero__stats {
  margin: 0;
  padding: 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-stat {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 18px;
  padding: 14px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-stat dt {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ice);
}

/* ---- 先检索再提交 ---- */
.page-contact .ct-check {
  padding-block: clamp(56px, 9vw, 124px);
  border-bottom: var(--ct-hair);
}

.page-contact .ct-check__head {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .ct-block__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-block__eyebrow span {
  font-family: var(--font-mono);
  margin-right: 8px;
  color: var(--alert);
}

.page-contact .ct-check h2,
.page-contact .ct-block h2 {
  margin: 0 0 14px;
  font-size: clamp(23px, 3.8vw, 40px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--ice);
}

.page-contact .ct-check__lede,
.page-contact .ct-block__lede {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .ct-questions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: var(--ct-hair);
}

.page-contact .ct-question {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 24px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-question__no {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--alert);
}

.page-contact .ct-question h3 {
  margin: 0;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--ice);
}

.page-contact .ct-question p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-check__foot {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-check__foot a,
.page-contact .ct-channels__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .4);
}

.page-contact .ct-check__foot a:hover,
.page-contact .ct-channels__note a:hover,
.page-contact .ct-check__foot a:focus-visible,
.page-contact .ct-channels__note a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---- 主体分栏 ---- */
.page-contact .ct-body {
  padding-block: clamp(56px, 9vw, 124px);
  border-bottom: var(--ct-hair);
}

.page-contact .ct-shell {
  display: grid;
  gap: clamp(32px, 5vw, 60px);
}

.page-contact .ct-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-rail .anchor-bar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: var(--ct-hair);
}

.page-contact .ct-rail .anchor-bar__link {
  display: block;
  padding: 13px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--mist);
  text-decoration: none;
  border-bottom: var(--ct-hair);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-contact .ct-rail .anchor-bar__link:hover,
.page-contact .ct-rail .anchor-bar__link:focus-visible,
.page-contact .ct-rail .anchor-bar__link.is-active {
  color: var(--cyan);
  padding-left: 6px;
}

.page-contact .ct-rail__hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 30ch;
}

.page-contact .ct-flow {
  display: grid;
  gap: clamp(48px, 7vw, 96px);
  min-width: 0;
}

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

.page-contact .ct-block[id] {
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-contact .ct-block__lede {
  margin-bottom: clamp(22px, 3vw, 32px);
}

/* ---- 图像 ---- */
.page-contact .ct-figure {
  margin: 0 0 clamp(24px, 3vw, 34px);
  border: var(--ct-hair);
  background: var(--deep-sea);
  overflow: hidden;
}

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

.page-contact .ct-figure--wide {
  margin-top: clamp(26px, 4vw, 40px);
  margin-bottom: 0;
}

/* ---- 反馈类型 ---- */
.page-contact .ct-types {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: var(--ct-hair);
}

.page-contact .ct-type {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px 16px;
  padding: 22px 0;
  border-bottom: var(--ct-hair);
  transition: transform .24s var(--ease);
}

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

.page-contact .ct-type__tag {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: var(--alert);
  border: 1px solid var(--alert);
}

.page-contact .ct-type h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .ct-type p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-type .ct-type__path {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--cyan);
}

/* ---- 联系方式 ---- */
.page-contact .ct-channels {
  display: grid;
  border: var(--ct-hair);
  background: var(--ink-black);
}

.page-contact .ct-channel {
  position: relative;
  padding: 24px 20px 26px;
  background: var(--deep-sea);
  border-bottom: var(--ct-hair);
  outline: none;
  transition: background-color .24s var(--ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-visible {
  background: var(--deep-dive);
}

.page-contact .ct-channel:hover::before,
.page-contact .ct-channel:focus-visible::before {
  transform: scaleX(1);
}

.page-contact .ct-channel__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .ct-channel__name {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ice);
}

.page-contact .ct-channel__value {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: .01em;
  color: var(--alert);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--phone .ct-channel__value {
  font-size: 21px;
  letter-spacing: .05em;
}

.page-contact .ct-channel__value--addr {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--ice);
}

.page-contact .ct-channel__fit {
  margin: 0;
  padding-top: 14px;
  border-top: var(--ct-hair);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-channels__note {
  margin: 22px 0 0;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---- 提交准备 ---- */
.page-contact .ct-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: var(--ct-hair);
}

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-prep__no {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--alert);
}

.page-contact .ct-prep__item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .ct-prep__item p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---- 收尾 ---- */
.page-contact .ct-end {
  padding-block: clamp(48px, 7vw, 88px);
  background: var(--emerald);
}

.page-contact .ct-end__inner {
  display: grid;
  gap: 26px;
}

.page-contact .ct-end h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--white);
}

.page-contact .ct-end p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .78);
}

.page-contact .ct-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- 桌面布局 ---- */
@media (min-width: 760px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-channel {
    border-bottom: 0;
    border-right: var(--ct-hair);
  }

  .page-contact .ct-channel:last-child {
    border-right: 0;
  }

  .page-contact .ct-question {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 8px 22px;
    padding: 28px 0;
  }

  .page-contact .ct-type {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px 20px;
    padding: 26px 0;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(40px, 6vw, 84px);
  }

  .page-contact .ct-end__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-shell {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-rail {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }
}

/* ---- 窄屏收敛 ---- */
@media (max-width: 640px) {
  .page-contact .ct-hero::after {
    display: none;
  }

  .page-contact .ct-hero::before {
    clip-path: polygon(0 0, 100% 0, 100% 22%, 0 62%);
  }

  .page-contact .ct-rail__hint {
    max-width: none;
  }

  .page-contact .ct-end__actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-type,
  .page-contact .ct-channel,
  .page-contact .ct-channel::before,
  .page-contact .ct-rail .anchor-bar__link {
    transition: none;
  }

  .page-contact .ct-type:hover {
    transform: none;
  }
}

.page-contact {
  --soft: currentColor;
}