/* ===== 联系我们 · 页面专属样式 ===== */
.page-contact {
  --ct-gap: clamp(48px, 8vw, 104px);
  --ct-soft: rgba(147, 170, 189, .14);
}

.page-contact .ct-intro {
  max-width: 960px;
  margin-top: clamp(20px, 3vw, 40px);
  margin-bottom: clamp(34px, 5.5vw, 64px);
}

.page-contact .ct-intro__title {
  margin: 14px 0 0;
  font-size: var(--fs-2xl);
  font-weight: 250;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .ct-intro__lede {
  margin: 22px 0 0;
  max-width: 660px;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--mute);
}

/* 通栏氛围图 */
.page-contact .ct-banner {
  margin: 0 0 var(--ct-gap);
}

.page-contact .ct-banner .media-frame {
  position: relative;
  border: 1px solid var(--hair);
  background: var(--ink-900);
  box-shadow: 8px 8px 0 0 var(--ct-soft);
}

.page-contact .ct-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  max-width: 100%;
}

/* 章节节奏 */
.page-contact .ct-section {
  margin-bottom: var(--ct-gap);
}

/* —— 三条渠道 —— */
.page-contact .ct-channels {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 3.2vw, 38px);
  background: var(--ink-700);
  border: 1px solid var(--hair);
  box-shadow: 6px 6px 0 0 var(--ink-600);
}

.page-contact .ct-channel__tab {
  align-self: flex-start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid var(--hair-strong);
}

.page-contact .ct-channel__name {
  margin: 0;
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--white);
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.6vw + 11px, 26px);
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value--warm {
  color: var(--orange);
}

.page-contact .ct-channel__addr {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 2;
  letter-spacing: .04em;
  color: var(--white);
}

.page-contact .ct-channel__desc {
  margin: auto 0 0;
  padding-top: 6px;
  max-width: 42em;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--mute);
}

@media (min-width: 860px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(12, 1fr);
    align-items: stretch;
  }
  .page-contact .ct-channel--mail { grid-column: 1 / span 7; }
  .page-contact .ct-channel--call { grid-column: 8 / span 5; }
  .page-contact .ct-channel--addr { grid-column: 2 / span 8; }
}

/* —— 写信还是打电话 —— */
.page-contact .ct-when {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-contact .ct-when__col {
  padding-left: clamp(18px, 2.4vw, 28px);
  border-left: 2px solid var(--hair);
}

.page-contact .ct-when__col--mail { border-left-color: var(--cyan); }
.page-contact .ct-when__col--call { border-left-color: var(--orange); }

.page-contact .ct-when__label {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .1em;
  color: var(--white);
}

.page-contact .ct-suit {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .ct-suit__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
}

.page-contact .ct-suit__num {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .08em;
  color: var(--mute-dim);
}

.page-contact .ct-suit__text {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--mute);
}

@media (min-width: 760px) {
  .page-contact .ct-when {
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 5vw, 72px);
  }
}

/* —— 回访预约 —— */
.page-contact .ct-book__grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  align-content: start;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
  row-gap: 6px;
  padding-bottom: clamp(18px, 2.4vw, 26px);
  border-bottom: 1px solid var(--hair);
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-step__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-contact .ct-step__title {
  font-size: var(--fs-md);
  font-weight: 500;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .ct-step__text {
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .ct-form {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  padding: clamp(24px, 3.4vw, 40px);
  background: var(--ink-700);
  border: 1px solid var(--hair-strong);
}

.page-contact .ct-form__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .ct-field {
  display: grid;
  gap: 8px;
}

.page-contact .ct-field__label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .08em;
  color: var(--mute);
}

.page-contact .ct-field__input {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--white);
  background: var(--ink-800);
  border: 1px solid var(--hair);
  border-radius: 0;
  appearance: none;
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-contact .ct-field__input:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(59, 240, 210, .06);
}

.page-contact .ct-field__input--area {
  min-height: 112px;
  resize: vertical;
  line-height: 1.75;
}

.page-contact .ct-form__submit {
  justify-self: start;
  min-width: 180px;
}

.page-contact .ct-form__hint {
  margin: 0;
  font-size: var(--fs-label);
  line-height: 1.85;
  color: var(--mute-dim);
}

@media (min-width: 960px) {
  .page-contact .ct-book__grid {
    grid-template-columns: 5fr 6fr;
    gap: clamp(40px, 6vw, 88px);
  }
}

/* —— 常见问答出口 —— */
.page-contact .ct-faq {
  margin-top: clamp(24px, 3.5vw, 44px);
  padding: clamp(24px, 3.2vw, 38px);
  background: rgba(18, 42, 64, .72);
  border-left: 2px solid var(--cyan);
}

.page-contact .ct-faq__text {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--mute);
}

.page-contact .ct-faq__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-faq__link {
  margin-top: 26px;
}

/* —— 收藏与电脑登录主页 —— */
.page-contact .ct-save {
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-contact .ct-save__item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px);
  padding-bottom: clamp(46px, 5vw, 60px);
  text-decoration: none;
  background: var(--ink-700);
  border: 1px solid var(--hair);
  transition: border-color .16s var(--ease);
}

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

.page-contact .ct-save__item--primary {
  background: linear-gradient(135deg, rgba(59, 240, 210, .13), rgba(10, 26, 42, 0) 62%), var(--ink-700);
  border-color: rgba(59, 240, 210, .42);
  box-shadow: 6px 6px 0 0 var(--ct-soft);
}

.page-contact .ct-save__kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .1em;
  color: var(--mute);
}

.page-contact .ct-save__title {
  font-size: var(--fs-md);
  font-weight: 500;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .ct-save__desc {
  max-width: 34em;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .ct-save__arrow {
  position: absolute;
  right: clamp(20px, 3vw, 30px);
  bottom: clamp(18px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  color: var(--cyan);
  transition: transform .16s var(--ease);
}

.page-contact .ct-save__item:hover .ct-save__arrow,
.page-contact .ct-save__item:focus-visible .ct-save__arrow {
  transform: translateX(5px);
}

.page-contact .ct-save__note {
  margin: 24px 0 0;
  max-width: 64ch;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--mute-dim);
}

@media (min-width: 760px) {
  .page-contact .ct-save {
    grid-template-columns: 1.15fr .85fr;
  }
}

/* —— 响应时效 —— */
.page-contact .ct-sla {
  margin: clamp(24px, 3.5vw, 44px) 0 0;
  border-top: 1px solid var(--hair);
}

.page-contact .ct-sla__row {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--hair);
}

.page-contact .ct-sla__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .08em;
  color: var(--mute);
}

.page-contact .ct-sla__val {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--white);
}

.page-contact .ct-sla__foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  max-width: 64ch;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--mute);
}

.page-contact .ct-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 210, .45);
}

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

@media (min-width: 720px) {
  .page-contact .ct-sla__row {
    grid-template-columns: minmax(150px, 210px) 1fr;
    gap: clamp(20px, 4vw, 56px);
    align-items: baseline;
  }
}

/* —— 收束图与分界线 —— */
.page-contact .ct-tail {
  margin: clamp(40px, 6vw, 80px) 0 0;
}

.page-contact .ct-tail .media-frame {
  border: 1px solid var(--hair);
  background: var(--ink-900);
}

.page-contact .ct-tail img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  max-width: 100%;
}

.page-contact::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: clamp(48px, 7vw, 96px);
  background: linear-gradient(90deg, rgba(59, 240, 210, 0), var(--cyan) 22%, var(--cyan) 78%, rgba(59, 240, 210, 0));
  opacity: .5;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-save__item,
  .page-contact .ct-save__arrow,
  .page-contact .ct-field__input {
    transition: none;
  }
  .page-contact .ct-save__item:hover .ct-save__arrow,
  .page-contact .ct-save__item:focus-visible .ct-save__arrow {
    transform: none;
  }
}