.page-contact {
  color: var(--silver);
  overflow-x: clip;
}

/* ---------- Hero ---------- */
.page-contact .ct-hero__inner {
  display: grid;
  gap: 30px;
}

.page-contact .ct-hero__head {
  max-width: 64ch;
}

.page-contact .ct-hero__head .tt-h1 {
  margin: 12px 0 18px;
}

.page-contact .ct-hero__lede {
  max-width: 56ch;
  font-size: 1.02rem;
  line-height: 1.78;
}

.page-contact .ct-hero__body {
  display: grid;
  gap: 24px;
}

.page-contact .ct-hero__card {
  padding: 26px 22px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lift);
}

.page-contact .ct-hero__card .tt-label {
  color: rgba(16, 22, 31, 0.56);
  letter-spacing: 0.14em;
}

.page-contact .ct-card-title {
  margin: 10px 0 4px;
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(1.45rem, 4vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
}

.page-contact .ct-channels {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-channel {
  display: grid;
  gap: 6px;
  padding-top: 18px;
  border-top: 1px solid rgba(16, 22, 31, 0.14);
}

.page-contact .ct-channel:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-channel .tt-label {
  font-size: 0.76rem;
  color: rgba(16, 22, 31, 0.55);
}

.page-contact .ct-channel__val {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 5vw, 1.55rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  word-break: break-all;
}

.page-contact .ct-channel__val--text {
  font-family: var(--font-cn);
  font-weight: 800;
  font-size: clamp(1.05rem, 4.4vw, 1.35rem);
  letter-spacing: 0;
}

.page-contact .ct-channel__val:hover {
  color: #b1450f;
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-thickness: 2px;
}

.page-contact .ct-channel__val:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
  color: #b1450f;
}

.page-contact .ct-channel__hint {
  font-size: 0.9rem;
  line-height: 1.62;
  color: rgba(16, 22, 31, 0.68);
}

.page-contact .ct-hero__aside {
  display: grid;
  gap: 20px;
}

.page-contact .ct-hero__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-hero__note {
  padding: 24px 22px;
}

.page-contact .ct-hero__note-big {
  margin: 12px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.12rem, 4vw, 1.42rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .ct-hero__note-body {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 准备事项 ---------- */
.page-contact .ct-sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: 30px;
  max-width: 62ch;
}

.page-contact .ct-sec-head__lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-prep__grid {
  display: grid;
  gap: 32px;
}

.page-contact .tt-tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 20px;
  scrollbar-width: none;
}

.page-contact .tt-tabs__list::-webkit-scrollbar {
  display: none;
}

.page-contact .tt-tabs__tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--silver);
  font-family: var(--font-cn);
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .tt-tabs__tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.page-contact .tt-tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(49, 225, 212, 0.07);
  border: 1px solid rgba(49, 225, 212, 0.18);
}

.page-contact .ct-checklist__no {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .ct-checklist__txt {
  font-size: 0.96rem;
  line-height: 1.68;
  color: var(--silver);
}

.page-contact .ct-prep__media {
  display: grid;
  gap: 14px;
  width: 100%;
  max-width: 340px;
  margin-inline: auto;
}

.page-contact .ct-prep__media .tt-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-contact .ct-prep__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-contact .ct-prep__media-note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--silver);
  border-left: 2px solid var(--violet);
  padding-left: 14px;
}

/* ---------- 时段 ---------- */
.page-contact .ct-hours__grid {
  display: grid;
  gap: 30px;
}

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

.page-contact .ct-wave__row {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 18px 18px 28px;
  border-left: 2px solid var(--line-strong);
}

.page-contact .ct-wave__row::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(49, 225, 212, 0.18);
}

.page-contact .ct-wave__row--eve::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 123, 51, 0.18);
}

.page-contact .ct-wave__row--night::before {
  background: var(--silver);
  box-shadow: 0 0 0 4px rgba(198, 206, 218, 0.14);
}

.page-contact .ct-wave__time {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .ct-wave__row--eve .ct-wave__time {
  color: var(--orange);
}

.page-contact .ct-wave__row--night .ct-wave__time {
  color: var(--silver);
}

.page-contact .ct-wave__label {
  font-family: var(--font-cn);
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
}

.page-contact .ct-wave__hint {
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--silver);
}

/* ---------- 来信地址 ---------- */
.page-contact .ct-letter__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-letter__card {
  padding: 30px 24px;
  border-radius: var(--radius-xl);
  background: linear-gradient(148deg, rgba(255, 123, 51, 0.16), rgba(169, 107, 255, 0.12));
  border: 1px solid rgba(255, 123, 51, 0.28);
}

.page-contact .ct-letter__addr {
  display: block;
  margin: 14px 0 16px;
  font-family: var(--font-cn);
  font-style: normal;
  font-size: clamp(1.15rem, 5vw, 1.55rem);
  font-weight: 800;
  line-height: 1.58;
  letter-spacing: 0.01em;
  color: #ffffff;
}

.page-contact .ct-letter__note {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-letter__aside {
  display: grid;
  gap: 16px;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  gap: 32px;
}

.page-contact .ct-coop__lede {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-coop__lede:last-child {
  margin-bottom: 0;
}

.page-contact .ct-coop__cards {
  display: grid;
  gap: 20px;
}

.page-contact .ct-coop__card {
  display: grid;
  gap: 14px;
  padding: 24px 20px;
  border-radius: var(--radius-lg);
}

.page-contact .ct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .tt-card--alert .ct-list li::before {
  background: var(--amber);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-final__panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 26px;
  padding: 32px 24px;
  border-radius: var(--radius-xl);
  background: linear-gradient(118deg, rgba(49, 225, 212, 0.14), rgba(169, 107, 255, 0.12) 62%, rgba(255, 123, 51, 0.14));
  border: 1px solid var(--line-strong);
}

.page-contact .ct-final__lede {
  margin: 12px 0 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--silver);
  max-width: 52ch;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-coop__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-hero__card,
  .page-contact .ct-hero__note,
  .page-contact .ct-coop__card,
  .page-contact .ct-letter__card {
    padding-left: 30px;
    padding-right: 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .tt-section {
    padding-block: 72px;
  }

  .page-contact .tt-section--tight {
    padding-block: 48px;
  }

  .page-contact .ct-hero__body {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 44px;
    align-items: start;
  }

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

  .page-contact .ct-hours__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .ct-wave__row {
    grid-template-columns: 152px minmax(0, 1fr);
    column-gap: 20px;
    padding: 20px 18px 20px 30px;
  }

  .page-contact .ct-wave__time {
    grid-row: 1 / span 2;
  }

  .page-contact .ct-letter__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ct-final__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
    padding: 44px 40px;
  }

  .page-contact .ct-final__acts {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero__body {
    gap: 44px;
  }

  .page-contact .ct-hero__card {
    padding: 34px 32px;
  }

  .page-contact .ct-hero__note {
    padding: 28px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tt-tabs__tab {
    transition: none;
  }
}