.page-contact {
  background: var(--bs-mist);
  color: var(--bs-graphite);
  font-family: var(--bs-body);
  overflow-x: hidden;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact button:focus-visible,
.page-contact a:focus-visible {
  outline: 2px solid var(--bs-sand);
  outline-offset: 3px;
}

.page-contact .ct-crumb {
  padding-top: 18px;
  padding-bottom: 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  border-top: var(--bs-hair);
  border-bottom: var(--bs-hair);
  background: var(--bs-white);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  padding-left: 0;
  padding-right: 0;
}

.page-contact .ct-hero__main {
  position: relative;
  overflow: hidden;
  background: var(--bs-indigo-deep);
  color: var(--bs-white);
  padding: 40px 24px 36px;
}

.page-contact .ct-hero__main::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -70px;
  height: 210px;
  background: repeating-linear-gradient(
    116deg,
    rgba(169, 211, 216, 0.16) 0 1px,
    transparent 1px 32px
  );
  pointer-events: none;
}

.page-contact .ct-hero__eyebrow {
  color: var(--bs-lake-soft);
  margin: 0;
}

.page-contact .ct-hero__eyebrow--dark {
  color: var(--bs-lake);
  margin: 0;
}

.page-contact .ct-hero__title {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  font-family: var(--bs-heading);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__lede {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
}

.page-contact .ct-mail {
  position: relative;
  z-index: 1;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(169, 211, 216, 0.38);
}

.page-contact .ct-mail__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--bs-lake-soft);
}

.page-contact .ct-mail__addr {
  margin: 0 0 16px;
  font-family: var(--bs-mono);
  font-size: clamp(18px, 4.8vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--bs-white);
  word-break: break-all;
}

.page-contact .ct-mail__copy {
  width: 100%;
}

.page-contact .ct-hero__hours {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.7);
}

.page-contact .ct-hero__side {
  padding: 32px 24px 36px;
  background: var(--bs-white);
  border-top: 1px solid var(--bs-line);
}

.page-contact .ct-hero__sideText {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bs-graphite);
}

.page-contact .ct-quick {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-quick__link {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
}

.page-contact .bs-copy__hint {
  margin-left: 8px;
  font-family: var(--bs-mono);
  font-size: 12px;
}

/* ---------- 通用章节 ---------- */
.page-contact .ct-section {
  padding: 54px 0;
}

.page-contact .ct-section .bs-h2 {
  margin: 10px 0 0;
  font-family: var(--bs-heading);
  font-weight: 800;
  font-size: clamp(24px, 5.2vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--bs-indigo-deep);
}

/* ---------- 升级记录提示 ---------- */
.page-contact .ct-record {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .ct-record__p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bs-graphite);
  max-width: 36em;
}

.page-contact .ct-record__btn {
  margin-top: 24px;
}

.page-contact .ct-record__media {
  margin: 0;
  border: var(--bs-hair);
  background: var(--bs-white);
}

/* ---------- 反馈类型 ---------- */
.page-contact .ct-section--types {
  background: var(--bs-white);
  border-top: var(--bs-hair);
  border-bottom: var(--bs-hair);
}

.page-contact .ct-types__intro {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bs-graphite);
}

.page-contact .ct-types__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-contact .ct-type-btn {
  appearance: none;
  border: 1px solid var(--bs-line);
  border-radius: 0;
  background: transparent;
  color: var(--bs-indigo);
  font-family: var(--bs-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 10px 16px;
  cursor: pointer;
  transition: background-color 160ms var(--bs-ease), border-color 160ms var(--bs-ease),
    color 160ms var(--bs-ease);
}

.page-contact .ct-type-btn:hover {
  border-color: var(--bs-lake);
  color: var(--bs-lake);
}

.page-contact .ct-type-btn[aria-pressed="true"] {
  background: var(--bs-sand);
  border-color: var(--bs-sand);
  color: var(--bs-indigo-deep);
}

.page-contact .ct-types__status {
  margin: 14px 0 0;
  font-family: var(--bs-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bs-lake);
}

.page-contact .ct-types__panels {
  margin-top: 10px;
  border-top: 1px solid var(--bs-line);
}

.page-contact .ct-type {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 24px 0;
  border-bottom: 1px solid var(--bs-line);
}

.page-contact .ct-type__name {
  margin: 0;
  font-family: var(--bs-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bs-indigo);
}

.page-contact .ct-type__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bs-graphite);
}

.page-contact .ct-type__list {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bs-graphite);
}

.page-contact .ct-type__subject {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--bs-graphite);
}

.page-contact .ct-type__code {
  font-family: var(--bs-mono);
  font-size: 12.5px;
  background: rgba(169, 211, 216, 0.42);
  color: var(--bs-indigo-deep);
  padding: 2px 6px;
  word-break: break-all;
}

.page-contact .ct-type__copy {
  margin-top: 14px;
  align-self: start;
}

/* ---------- 联系信息 ---------- */
.page-contact .ct-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 26px;
}

.page-contact .ct-info__row {
  padding: 20px 0;
  border-top: 1px solid var(--bs-line);
}

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

.page-contact .ct-info__row--map {
  border-top: 1px solid var(--bs-line);
  background-image: repeating-linear-gradient(
      72deg,
      rgba(46, 127, 143, 0.14) 0 1px,
      transparent 1px 30px
    ),
    repeating-linear-gradient(
      -68deg,
      rgba(217, 164, 65, 0.12) 0 1px,
      transparent 1px 48px
    );
  padding-left: 16px;
  padding-right: 16px;
}

.page-contact .ct-info__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bs-lake);
}

.page-contact .ct-info__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .ct-info__value {
  margin: 0;
  font-family: var(--bs-mono);
  font-size: clamp(16px, 4.2vw, 22px);
  line-height: 1.4;
  color: var(--bs-indigo-deep);
  word-break: break-all;
}

.page-contact .ct-info__value--text {
  font-family: var(--bs-body);
  font-size: 16px;
  line-height: 1.75;
  word-break: normal;
}

.page-contact .ct-info__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--bs-graphite);
}

.page-contact .ct-info__media {
  margin: 0;
  border: var(--bs-hair);
  background: var(--bs-white);
}

.page-contact .ct-info__cap {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--bs-graphite);
  border-top: 1px solid var(--bs-line);
}

.page-contact .ct-info__note {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--bs-lake-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--bs-graphite);
  max-width: 46em;
}

.page-contact .ct-info__noteLink {
  color: var(--bs-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-section--flow {
  background: linear-gradient(180deg, rgba(169, 211, 216, 0.34), rgba(244, 247, 245, 0));
  border-top: var(--bs-hair);
}

.page-contact .ct-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-flow__step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--bs-line);
}

.page-contact .ct-flow__num {
  font-family: var(--bs-mono);
  font-size: 14px;
  color: var(--bs-lake);
  padding-top: 2px;
}

.page-contact .ct-flow__name {
  margin: 0;
  font-family: var(--bs-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--bs-indigo);
}

.page-contact .ct-flow__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bs-graphite);
}

.page-contact .ct-flow__alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 26px 0 0;
  padding: 16px 18px;
  background: rgba(182, 83, 60, 0.08);
  border-left: 3px solid var(--bs-brick);
  font-size: 14px;
  line-height: 1.8;
  color: var(--bs-graphite);
}

.page-contact .ct-flow__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--bs-brick);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .ct-section--pair {
  background: var(--bs-white);
  border-top: var(--bs-hair);
  border-bottom: var(--bs-hair);
}

.page-contact .ct-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--bs-line);
}

.page-contact .ct-pair__item {
  padding: 24px 0;
  border-bottom: 1px solid var(--bs-line);
}

.page-contact .ct-pair__name {
  margin: 0;
  font-family: var(--bs-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--bs-indigo);
}

.page-contact .ct-pair__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bs-graphite);
}

.page-contact .ct-pair__list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bs-graphite);
}

.page-contact .ct-pair__link {
  color: var(--bs-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 近期版本带 ---------- */
.page-contact .ct-section--timeline {
  background: rgba(169, 211, 216, 0.42);
  border-top: var(--bs-hair);
  padding-bottom: 64px;
}

.page-contact .ct-tl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .ct-tl__intro {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bs-graphite);
}

.page-contact .ct-tl__acc {
  margin-top: 20px;
  border-top: 1px solid rgba(23, 58, 94, 0.24);
}

.page-contact .ct-tl__itemTitle {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .ct-tl__ver {
  font-family: var(--bs-mono);
  font-size: 13px;
  color: var(--bs-lake);
  margin-right: 10px;
  white-space: nowrap;
}

.page-contact .ct-tl__ttl {
  font-family: var(--bs-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--bs-indigo-deep);
}

.page-contact .ct-tl__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bs-graphite);
}

.page-contact .ct-tl__meta strong {
  color: var(--bs-indigo);
}

.page-contact .ct-tl__action {
  padding-left: 16px;
  border-left: 2px solid var(--bs-sand);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .ct-tl__actionText {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bs-indigo-deep);
}

.page-contact .ct-tl__btn {
  width: 100%;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-hero__main {
    padding: 56px 44px 48px;
  }

  .page-contact .ct-hero__side {
    padding: 36px 44px 40px;
  }

  .page-contact .ct-mail__copy {
    width: auto;
  }

  .page-contact .ct-section {
    padding: 72px 0;
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .ct-flow__step {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 0 0;
    border-top: 3px solid var(--bs-indigo);
  }

  .page-contact .ct-flow__step:first-child {
    border-top-color: var(--bs-sand);
  }

  .page-contact .ct-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
  }

  .page-contact .ct-pair__item {
    border-bottom: none;
    padding: 26px 0 0;
  }

  .page-contact .ct-tl__btn {
    width: auto;
    justify-self: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-hero__side {
    border-top: none;
    border-left: 1px solid var(--bs-line);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-contact .ct-record {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 56px;
  }

  .page-contact .ct-type {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding: 28px 0;
  }

  .page-contact .ct-info {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ct-tl {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 64px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-type-btn {
    transition: none;
  }
}
<<<END>>>