.page-contact {
  --ct-hair: 1px solid var(--c-grid);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: 22px;
  font-size: 12px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: 24px;
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .ct-kicker {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-amber);
  margin: 0 0 14px;
}

.page-contact h1.t-display {
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 20px;
  color: var(--c-text);
}

.page-contact .ct-hero__lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 36em;
  margin: 0;
}

.page-contact .ct-quick {
  margin-top: 30px;
  border-top: var(--ct-hair);
}

.page-contact .ct-quick__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-quick__label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-amber);
}

.page-contact .ct-quick__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text);
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-contact .ct-copy {
  -webkit-user-select: all;
  user-select: all;
  cursor: text;
}

.page-contact .ct-hero__hint {
  margin: 14px 0 0;
  color: var(--c-mute);
}

.page-contact .ct-hero__visual .media-frame {
  border: var(--ct-hair);
}

/* ---------- 章节通用 ---------- */
.page-contact .sec-head {
  margin-bottom: 26px;
}

.page-contact .sec-num {
  display: block;
  font-size: clamp(38px, 8vw, 88px);
  line-height: 0.92;
  font-weight: 700;
  color: var(--c-amber);
  letter-spacing: -0.02em;
}

.page-contact .sec-title {
  font-size: clamp(23px, 4.2vw, 38px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  color: var(--c-text);
}

.page-contact .ct-sec-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 40em;
  margin: 14px 0 0;
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .ct-table {
  border-top: var(--ct-hair);
}

.page-contact .ct-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 22px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-row__key {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .ct-row__key-en {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-blue);
}

.page-contact .ct-row__key-cn {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text);
}

.page-contact .ct-row__value {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-amber);
  overflow-wrap: anywhere;
}

.page-contact .ct-row__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 46em;
}

.page-contact .ct-row__meta {
  color: var(--c-mute);
}

/* 时段刻度 */
.page-contact .ct-hours {
  margin-top: 38px;
}

.page-contact .ct-hours__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-mute);
}

.page-contact .ct-hours__track {
  display: flex;
  height: 16px;
  margin-top: 14px;
  border: var(--ct-hair);
}

.page-contact .ct-hours__seg {
  display: block;
  min-width: 0;
}

.page-contact .ct-hours__seg--off {
  background: var(--c-stand);
}

.page-contact .ct-hours__seg--on {
  background: var(--c-blue);
}

.page-contact .ct-hours__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mute);
}

/* ---------- 02 提问准备 ---------- */
.page-contact .ct-chips {
  margin: 24px 0 30px;
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-prep__num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
}

.page-contact .ct-prep__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--c-text);
}

.page-contact .ct-prep__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 42em;
}

/* ---------- 03 通信地址 ---------- */
.page-contact .ct-mail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .ct-mail__address {
  font-size: clamp(17px, 2.6vw, 24px);
  line-height: 1.6;
  font-weight: 600;
  color: var(--c-amber-soft);
  margin: 0 0 16px;
  overflow-wrap: anywhere;
}

.page-contact .ct-mail__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 40em;
}

.page-contact .ct-mail__tips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-mail__tips li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-bottom: var(--ct-hair);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mute);
}

.page-contact .ct-mail__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 10px;
  height: 1px;
  background: var(--c-amber);
}

.page-contact .ct-mail__visual .media-frame {
  border: var(--ct-hair);
}

/* ---------- 04 合作线路 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--ct-hair);
}

.page-contact .ct-coop__item {
  padding: 24px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-coop__id {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-contact .ct-coop__title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  margin: 10px 0 12px;
  color: var(--c-text);
}

.page-contact .ct-coop__item > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mute);
}

.page-contact .ct-coop__need {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--c-blue);
  color: var(--c-amber-soft);
}

/* ---------- 05 处理节奏 ---------- */
.page-contact .ct-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-flow__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-flow__step {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-blue);
}

.page-contact .ct-flow__body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--c-text);
}

.page-contact .ct-flow__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 44em;
}

/* ---------- 收束 ---------- */
.page-contact .ct-next__title {
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--c-text);
}

.page-contact .ct-next__lead {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 40em;
}

.page-contact .ct-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-next__links li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .ct-next__links a {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  text-decoration: none;
  border-bottom: 1px solid var(--c-blue);
  justify-self: start;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .ct-next__links span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mute);
}

.page-contact .ct-next .band {
  margin-top: 36px;
}

.page-contact .ct-next__sign {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-mute);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-prep__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 20px;
  }

  .page-contact .ct-flow__item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
  }

  .page-contact .ct-next__links li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px 28px;
    padding: 26px 0;
  }

  .page-contact .ct-row__meta {
    grid-column: 2;
    font-size: 12px;
    letter-spacing: 0.04em;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .ct-row {
    grid-template-columns: 168px minmax(0, 1fr) 170px;
    align-items: start;
  }

  .page-contact .ct-row__meta {
    grid-column: 3;
    text-align: right;
  }

  .page-contact .ct-mail__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-contact .ct-coop__item {
    padding: 28px 0 32px;
  }
}

@media (min-width: 1120px) {
  .page-contact .ct-hero {
    padding-top: 36px;
  }

  .page-contact .ct-quick__row {
    padding: 17px 0;
  }
}