.page-contact {
  --ct-gap: clamp(20px, 3.4vw, 44px);
  --ct-pad: clamp(20px, 3vw, 34px);
  --ct-hair: rgba(42, 74, 66, 0.7);
  position: relative;
  overflow-x: hidden;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(42, 74, 66, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 66, 0.3) 1px, transparent 1px);
  background-size: 84px 84px;
  background-position: center top;
  color: var(--text);
}

.page-contact .ct-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 232, 198, 0.4);
  transition: border-color 240ms var(--ease), color 240ms var(--ease);
}

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

/* ---------- 首屏 ---------- */

.page-contact .ct-top {
  padding-top: calc(var(--header-h) + clamp(44px, 7vw, 96px));
  padding-bottom: clamp(28px, 4vw, 52px);
}

.page-contact .ct-top .bs-crumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .ct-top__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: end;
}

.page-contact .ct-top__lead .bs-eyebrow {
  margin-bottom: 14px;
}

.page-contact .ct-top__lead .bs-h1 {
  margin-bottom: 18px;
}

.page-contact .ct-top__lead .bs-lead {
  max-width: 38ch;
}

.page-contact .ct-top__stamp {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  padding-left: 18px;
  border-left: 2px solid var(--cyan);
}

.page-contact .ct-stamp__row {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .ct-stamp__num {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .ct-stamp__txt {
  font-size: var(--fs-12);
  color: var(--muted);
  letter-spacing: 0.08em;
}

/* ---------- 渠道与事项 ---------- */

.page-contact .ct-ways-sec {
  padding-top: clamp(36px, 5vw, 64px);
}

.page-contact .ct-ways-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 68px);
}

.page-contact .ct-ways-main .bs-eyebrow {
  margin-bottom: 12px;
}

.page-contact .ct-ways-main .bs-h2 {
  margin-bottom: 14px;
}

.page-contact .ct-intro {
  max-width: 40ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .ct-ways {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-way {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 14px;
  padding: clamp(18px, 2.6vw, 26px) var(--ct-pad);
  background: var(--panel);
  transition: background-color 240ms var(--ease);
}

.page-contact .ct-way::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--grid);
  transition: background-color 240ms var(--ease);
}

.page-contact .ct-way:hover::before,
.page-contact .ct-way:focus-within::before {
  background: var(--cyan);
}

.page-contact .ct-way:hover {
  background: var(--ink-2);
}

.page-contact .ct-way__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--orange);
  line-height: 1.5;
}

.page-contact .ct-way__body .bs-h3 {
  margin-bottom: 8px;
}

.page-contact .ct-way__body .bs-p {
  margin-bottom: 10px;
}

.page-contact .ct-way__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-contact .ct-base {
  border: 1px solid var(--ct-hair);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius);
  padding: clamp(18px, 2.6vw, 26px) var(--ct-pad);
  background: var(--ink-2);
}

.page-contact .ct-base__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .ct-base__v {
  margin: 0 0 10px;
  font-size: var(--fs-20);
  color: var(--text);
}

.page-contact .ct-base__n {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

/* 侧栏 */

.page-contact .ct-ways-side {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .ct-map {
  margin: 0;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

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

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

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

.page-contact .ct-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ct-hair);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-topic {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ink-2);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
  transition: color 240ms var(--ease), background-color 240ms var(--ease);
}

.page-contact .ct-topic:hover {
  color: var(--text);
  background: var(--panel);
}

.page-contact .ct-topic strong {
  color: var(--text);
  font-weight: 600;
}

.page-contact .ct-topic__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 8px;
  border: 1px solid var(--cyan);
  border-radius: 1px;
  background: rgba(59, 232, 198, 0.18);
}

.page-contact .ct-side__foot {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 表单 ---------- */

.page-contact .ct-form-sec {
  padding-top: clamp(40px, 6vw, 76px);
}

.page-contact .ct-form-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 52px);
}

.page-contact .ct-form-panel::after {
  content: "";
  position: absolute;
  inset: auto 0 0 auto;
  width: clamp(90px, 18vw, 220px);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal));
  opacity: 0.7;
}

.page-contact .ct-form-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-contact .ct-form-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  opacity: 0.55;
  border: 1px solid var(--ct-hair);
  background: var(--ink-2);
}

.page-contact .ct-form-head__text .bs-eyebrow {
  margin-bottom: 10px;
}

.page-contact .ct-form-head__text .bs-h2 {
  margin-bottom: 12px;
}

.page-contact .ct-form-head__text .bs-p {
  max-width: 46ch;
  margin: 0;
}

.page-contact .ct-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
  padding-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .ct-field__label {
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 240ms var(--ease);
}

.page-contact .ct-field:focus-within .ct-field__label {
  color: var(--cyan);
}

.page-contact .ct-field__input,
.page-contact .ct-field__select,
.page-contact .ct-field__textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-narrow);
  font-size: var(--fs-16);
  color: var(--text);
  background: var(--ink);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 13px 14px;
  transition: border-color 240ms var(--ease), box-shadow 240ms var(--ease), background-color 240ms var(--ease);
}

.page-contact .ct-field__textarea {
  resize: vertical;
  line-height: 1.8;
  min-height: 132px;
}

.page-contact .ct-field__input::placeholder,
.page-contact .ct-field__textarea::placeholder {
  color: rgba(157, 177, 170, 0.62);
}

.page-contact .ct-field__input:focus,
.page-contact .ct-field__select:focus,
.page-contact .ct-field__textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: var(--ink-2);
  box-shadow: 0 0 0 3px rgba(59, 232, 198, 0.14);
}

.page-contact .ct-field__hint {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-submit {
  padding-top: clamp(20px, 2.6vw, 30px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
}

.page-contact .ct-submit__note {
  margin: 0;
  flex: 1 1 260px;
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 回复说明 ---------- */

.page-contact .ct-note {
  padding-top: clamp(40px, 6vw, 76px);
}

.page-contact .ct-note .bs-eyebrow {
  margin-bottom: 12px;
}

.page-contact .ct-note__lead {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-contact .ct-tips {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair);
  border-top: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-tip {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  background: transparent;
}

.page-contact .ct-tip__k {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .ct-tip__v {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text);
}

.page-contact .ct-note__end {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-topics {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-form-head {
    grid-template-columns: 64px 1fr;
    align-items: start;
    gap: 22px;
  }

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

  .page-contact .ct-field--full {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-top__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
  }

  .page-contact .ct-top__stamp {
    justify-content: flex-end;
    padding-left: 22px;
  }

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

  .page-contact .ct-ways-side {
    padding-top: 44px;
  }

  .page-contact .ct-form-panel {
    padding-right: clamp(40px, 6vw, 88px);
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-top__lead .bs-h1 {
    font-size: var(--fs-72);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-way,
  .page-contact .ct-way::before,
  .page-contact .ct-topic,
  .page-contact .ct-field__input,
  .page-contact .ct-field__select,
  .page-contact .ct-field__textarea,
  .page-contact .ct-field__label,
  .page-contact .ct-link {
    transition: none;
  }
}