.page-contact {
  --ct-pad-y: clamp(48px, 7vw, 96px);
  --ct-gap: clamp(18px, 3vw, 34px);
  background: var(--bb-sand);
  color: var(--bb-ink);
}

/* ---------- 首屏：左超大联系方式 / 右细线信息表 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 4vw, 44px) 0 clamp(62px, 8vw, 104px);
  background:
    radial-gradient(ellipse at 86% -6%, rgba(255, 107, 53, 0.38), transparent 54%),
    linear-gradient(155deg, #052B3B 0%, #0A4A63 58%, #052B3B 100%);
  color: var(--bb-sand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 52px), 0 100%);
  overflow: hidden;
}

.page-contact .ct-crumb {
  color: var(--bb-foam);
}

.page-contact .ct-crumb a {
  color: var(--bb-foam);
  text-decoration: none;
}

.page-contact .ct-crumb a:hover,
.page-contact .ct-crumb a:focus-visible {
  color: var(--bb-yellow);
  text-decoration: underline;
}

.page-contact .ct-crumb [aria-current="page"] {
  color: var(--bb-sand);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  margin-top: clamp(24px, 4vw, 46px);
}

.page-contact .ct-hero__title {
  margin: 0.28em 0 0.36em;
  font-family: var(--bb-font-zh);
  font-weight: 900;
  font-size: clamp(2.05rem, 7vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--bb-sand);
}

.page-contact .ct-hero__intro {
  max-width: 46ch;
  margin: 0;
  color: var(--bb-foam);
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.75;
}

.page-contact .ct-channel {
  margin-top: clamp(26px, 4vw, 38px);
  padding-top: 16px;
  border-top: 1px solid rgba(191, 227, 232, 0.26);
}

.page-contact .ct-channel__label {
  margin: 0 0 8px;
  font-family: var(--bb-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bb-yellow);
}

.page-contact .ct-channel__value {
  display: inline-block;
  font-family: var(--bb-font-mono);
  font-weight: 600;
  font-size: clamp(1.1rem, 4.6vw, 2.15rem);
  line-height: 1.2;
  color: var(--bb-sand);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-channel__value:hover,
.page-contact .ct-channel__value:focus-visible {
  color: var(--bb-coral-hot);
  border-bottom-color: var(--bb-coral-hot);
  outline: none;
}

.page-contact .ct-channel__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 14px;
}

.page-contact .ct-channel__hint {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(191, 227, 232, 0.86);
}

.page-contact .ct-hero__aside {
  border-top: 2px solid var(--bb-coral);
  padding-top: clamp(18px, 3vw, 26px);
}

.page-contact .ct-hero__figure {
  margin: 0 0 24px;
  border: 1px solid rgba(191, 227, 232, 0.24);
}

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

.page-contact .ct-facts__row {
  display: grid;
  gap: 3px;
  padding: 14px 0;
  border-top: 1px solid rgba(191, 227, 232, 0.2);
}

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

.page-contact .ct-facts__row dt {
  font-family: var(--bb-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bb-foam);
}

.page-contact .ct-facts__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--bb-sand);
}

/* ---------- 通用区块标题 ---------- */
.page-contact .ct-head {
  max-width: 62ch;
}

.page-contact .ct-head__title {
  margin: 0.4em 0 0.5em;
  font-family: var(--bb-font-zh);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-contact .ct-head__lead {
  margin: 0;
  font-size: clamp(0.95rem, 1.5vw, 1.04rem);
  line-height: 1.8;
  color: rgba(8, 20, 24, 0.78);
}

.page-contact .ct-head__lead a,
.page-contact .ct-item__more a,
.page-contact .ct-receipt__note a {
  color: var(--bb-trench);
  text-decoration: none;
  border-bottom: 1px solid var(--bb-coral);
  padding-bottom: 1px;
}

.page-contact .ct-head__lead a:hover,
.page-contact .ct-item__more a:hover,
.page-contact .ct-receipt__note a:hover,
.page-contact .ct-head__lead a:focus-visible,
.page-contact .ct-item__more a:focus-visible,
.page-contact .ct-receipt__note a:focus-visible {
  color: var(--bb-coral);
  border-bottom-color: var(--bb-coral);
  outline: none;
}

/* ---------- 复制按钮 ---------- */
.page-contact .ct-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border: 1px solid rgba(191, 227, 232, 0.5);
  border-radius: var(--bb-radius);
  background: transparent;
  color: var(--bb-foam);
  font-family: var(--bb-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--bb-coral);
  border-color: var(--bb-coral);
  color: #ffffff;
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--bb-yellow);
  outline-offset: 2px;
}

.page-contact .ct-copy--sm {
  padding: 6px 11px;
  font-size: 11px;
}

/* ---------- 问题反馈 ---------- */
.page-contact .ct-feedback {
  padding: var(--ct-pad-y) 0;
}

.page-contact .ct-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) 0 clamp(26px, 4vw, 40px);
}

.page-contact .ct-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid rgba(8, 20, 24, 0.18);
  border-radius: var(--bb-radius);
  background: transparent;
  color: var(--bb-ink);
  font-family: var(--bb-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-tab:hover,
.page-contact .ct-tab:focus-visible {
  background: var(--bb-deep);
  border-color: var(--bb-deep);
  color: var(--bb-sand);
  outline: none;
}

.page-contact .ct-feedback__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .ct-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid var(--bb-line);
  scroll-margin-top: calc(var(--bb-header-h) + 26px);
}

.page-contact .ct-item:last-child {
  border-bottom: 1px solid var(--bb-line);
}

.page-contact .ct-item__no {
  padding-top: 3px;
  font-family: var(--bb-font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--bb-coral);
}

.page-contact .ct-item__body h3 {
  margin: 0 0 8px;
  font-family: var(--bb-font-zh);
  font-weight: 800;
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  line-height: 1.4;
}

.page-contact .ct-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(8, 20, 24, 0.8);
}

.page-contact .ct-item__body ul {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-contact .ct-item__body li {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(8, 20, 24, 0.74);
}

.page-contact .ct-item__body li::marker {
  color: var(--bb-green);
}

.page-contact .ct-item__more {
  margin-top: 12px;
  font-size: 14px;
}

.page-contact .ct-feedback__figure {
  margin: 0;
  border: 1px solid var(--bb-line);
}

/* ---------- 合作咨询 ---------- */
.page-contact .ct-partner {
  padding: var(--ct-pad-y) 0 calc(var(--ct-pad-y) + 22px);
  background:
    radial-gradient(circle at 8% 100%, rgba(0, 196, 140, 0.24), transparent 46%),
    linear-gradient(118deg, #052B3B 0%, #0A4A63 72%, #052B3B 100%);
  color: var(--bb-sand);
  clip-path: polygon(0 0, 100% 34px, 100% 100%, 0 100%);
}

.page-contact .ct-head--light .ct-head__title {
  color: var(--bb-sand);
}

.page-contact .ct-head--light .ct-head__lead {
  color: rgba(191, 227, 232, 0.9);
}

.page-contact .ct-partner__list {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-contact .ct-partner__item {
  border-top: 2px solid var(--bb-coral);
  padding: 16px 0 4px;
}

.page-contact .ct-partner__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--bb-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--bb-yellow);
}

.page-contact .ct-partner__item h3 {
  margin: 0 0 10px;
  font-family: var(--bb-font-zh);
  font-weight: 800;
  font-size: clamp(1.06rem, 2vw, 1.24rem);
  color: var(--bb-sand);
}

.page-contact .ct-partner__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(191, 227, 232, 0.86);
}

.page-contact .ct-partner__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-contact .ct-partner__hint {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(191, 227, 232, 0.8);
}

/* ---------- 地址与邮件信息 ---------- */
.page-contact .ct-receipt {
  padding: var(--ct-pad-y) 0 calc(var(--ct-pad-y) * 0.72);
}

.page-contact .ct-receipt__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .ct-receipt__addrtext {
  margin: 0.6em 0 18px;
  font-family: var(--bb-font-zh);
  font-weight: 800;
  font-size: clamp(1.24rem, 3.2vw, 1.9rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--bb-ink);
}

.page-contact .ct-receipt__addr .ct-copy {
  border-color: rgba(8, 20, 24, 0.28);
  color: var(--bb-deep);
}

.page-contact .ct-receipt__addr .ct-copy:hover,
.page-contact .ct-receipt__addr .ct-copy:focus-visible {
  background: var(--bb-deep);
  border-color: var(--bb-deep);
  color: var(--bb-sand);
}

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

.page-contact .ct-receipt__row {
  display: grid;
  grid-template-columns: minmax(64px, 84px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--bb-line);
}

.page-contact .ct-receipt__key {
  font-family: var(--bb-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(10, 74, 99, 0.9);
}

.page-contact .ct-receipt__val {
  min-width: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--bb-ink);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact a.ct-receipt__val:hover,
.page-contact a.ct-receipt__val:focus-visible {
  color: var(--bb-coral);
  outline: none;
}

.page-contact .ct-receipt__row .ct-copy {
  border-color: rgba(8, 20, 24, 0.24);
  color: var(--bb-deep);
}

.page-contact .ct-receipt__row .ct-copy:hover,
.page-contact .ct-receipt__row .ct-copy:focus-visible {
  background: var(--bb-coral);
  border-color: var(--bb-coral);
  color: #ffffff;
}

.page-contact .ct-receipt__note {
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--bb-line);
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(8, 20, 24, 0.74);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-feedback__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-feedback__figure {
    position: sticky;
    top: calc(var(--bb-header-h) + 20px);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-hero__aside {
    border-top: 0;
    border-left: 1px solid rgba(191, 227, 232, 0.24);
    padding-top: 0;
    padding-left: clamp(22px, 3vw, 40px);
  }

  .page-contact .ct-partner__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1180px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel__value,
  .page-contact .ct-copy,
  .page-contact .ct-tab {
    transition: none;
  }
}
<<<END>>>