.page-contact {
  --ct-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}

.page-contact .breadcrumbs {
  padding-block: 28px 8px;
  font-size: 13px;
  color: var(--silver);
}

.page-contact .breadcrumbs a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: 8px 0;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-contact .ct-hero__main h1 {
  margin: 14px 0 0;
  font-size: clamp(36px, 8.4vw, 74px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}

.page-contact .ct-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 2.4vw, 18px);
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .ct-hero__aside {
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-m);
  background: var(--glass);
  padding: 20px 22px;
}

.page-contact .ct-hero__aside-title {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .ct-hero__aside-value {
  margin: 10px 0 2px;
  font-size: 22px;
  color: var(--white);
  letter-spacing: 0.04em;
}

.page-contact .ct-hero__aside-note {
  margin: 0;
  font-size: 13px;
  color: var(--silver);
  line-height: 1.6;
}

.page-contact .ct-hero__figure {
  margin: 36px 0 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 560;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-sec {
  padding-block: clamp(56px, 9vw, 104px) 0;
  position: relative;
}

.page-contact .ct-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
}

.page-contact .ct-sec--cyan::before {
  background: linear-gradient(90deg, transparent, rgba(34, 227, 210, 0.55), transparent);
}

.page-contact .ct-sec--amber::before {
  background: linear-gradient(90deg, transparent, rgba(255, 179, 71, 0.55), transparent);
}

.page-contact .ct-sec__head {
  max-width: 68ch;
}

.page-contact .ct-sec__index {
  display: inline-block;
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.18em;
}

.page-contact .ct-sec__head h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 5vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--white);
}

.page-contact .ct-sec__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .channel:hover {
  border-color: rgba(34, 227, 210, 0.45);
  transform: translateY(-2px);
}

.page-contact .channel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(34, 227, 210, 0.5);
  color: var(--cyan);
}

.page-contact .channel__icon--amber {
  border-color: rgba(255, 179, 71, 0.55);
  color: var(--amber);
}

.page-contact .channel__name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-contact .channel__value {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
  letter-spacing: 0.03em;
}

.page-contact .channel__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.page-contact .channel__use {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 服务时间 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: 32px;
}

.page-contact .hours {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .hours__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .hours__type {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .hours__time {
  font-size: 15px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-contact .hours__via {
  font-size: 13px;
  color: var(--silver);
  line-height: 1.6;
}

.page-contact .ct-split__aside {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
  padding: 24px;
}

.page-contact .ct-aside-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-aside-text {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-aside-text:last-of-type {
  margin-bottom: 18px;
}

/* ---------- 问题准备 ---------- */
.page-contact .ct-prep {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.page-contact .prep {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
  padding: 20px;
}

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

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

.page-contact .prep__tab {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--silver);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .prep__tab:hover {
  color: var(--white);
  border-color: rgba(232, 237, 243, 0.3);
}

.page-contact .prep__radio:checked + .prep__tab {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-contact .prep__radio:focus-visible + .prep__tab {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .prep__panel {
  display: none;
  margin-top: 20px;
  gap: 10px;
}

.page-contact .prep:has(#issue-a:checked) .prep__panel--a,
.page-contact .prep:has(#issue-b:checked) .prep__panel--b,
.page-contact .prep:has(#issue-c:checked) .prep__panel--c {
  display: grid;
}

.page-contact .chk {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s var(--ease);
}

.page-contact .chk:hover {
  border-color: rgba(232, 237, 243, 0.24);
}

.page-contact .chk input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-contact .chk__box {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1px solid var(--silver);
  border-radius: 4px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .chk__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: 2px solid var(--ink);
  border-top: 0;
  border-left: 0;
  transform: rotate(42deg) scale(0.6);
  opacity: 0;
  transition: opacity 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-contact .chk input:checked ~ .chk__box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .chk input:checked ~ .chk__box::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

.page-contact .chk input:focus-visible ~ .chk__box {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .chk__text {
  font-size: 14px;
  line-height: 1.68;
  color: var(--silver);
}

.page-contact .chk input:checked ~ .chk__text {
  color: var(--white);
}

.page-contact .prep__done {
  display: none;
  margin: 4px 0 0;
  padding: 14px 16px;
  border: 1px dashed rgba(255, 179, 71, 0.55);
  border-radius: var(--radius-s);
  font-size: 13px;
  line-height: 1.7;
  color: var(--amber);
  background: rgba(255, 179, 71, 0.06);
}

.page-contact .prep__panel--a:has(#a1:checked):has(#a2:checked):has(#a3:checked) .prep__done,
.page-contact .prep__panel--b:has(#b1:checked):has(#b2:checked):has(#b3:checked) .prep__done,
.page-contact .prep__panel--c:has(#c1:checked):has(#c2:checked):has(#c3:checked) .prep__done {
  display: block;
}

.page-contact .prep__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .prep__hint {
  font-size: 13px;
  color: var(--silver);
}

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

.page-contact .ct-prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 600;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
}

.page-contact .ct-prep__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  border-left: 2px solid var(--amber);
  padding-left: 12px;
}

/* ---------- 合作 ---------- */
.page-contact .ct-partners {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-contact .partner {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(232, 237, 243, 0.07), rgba(232, 237, 243, 0.02));
}

.page-contact .partner__title {
  margin: 14px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}

.page-contact .partner__text {
  margin: 12px 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .partner__mail {
  margin: 0;
  font-size: 14px;
  color: var(--white);
  word-break: break-word;
  letter-spacing: 0.03em;
}

.page-contact .partner__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-site {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-contact .ct-site__card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
}

.page-contact .ct-site__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-site__value {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--white);
  letter-spacing: 0.02em;
  word-break: break-word;
}

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

.page-contact .ct-next {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(167, 176, 188, 0.22);
}

.page-contact .ct-next__lead {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--silver);
}

.page-contact .ct-next__links {
  display: grid;
  gap: 10px;
}

.page-contact .ct-next__link {
  display: block;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .ct-next__link:hover {
  border-color: rgba(34, 227, 210, 0.55);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-site {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .hours__row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
    align-items: baseline;
    gap: 16px;
  }
}

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

  .page-contact .ct-hero__aside {
    margin-top: 42px;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }

  .page-contact .ct-prep {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .ct-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-sec__head h2 {
    letter-spacing: -0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .ct-next__link,
  .page-contact .chk__box::after {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .ct-next__link:hover {
    transform: none;
  }
}