.page-contact {
  --ct-panel-bg: rgba(11, 39, 64, 0.72);
  --ct-cyan-soft: rgba(36, 224, 230, 0.05);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  margin: 0;
  padding: clamp(18px, 3vw, 30px) 0 0;
}

.page-contact .crumbs ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-contact .crumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-contact .crumbs li + li::before {
  content: "›";
  color: var(--blueprint);
}

.page-contact .crumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--mint);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(80px, 18vw, 190px);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(36, 224, 230, 0));
}

.page-contact .ct-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: balance;
}

.page-contact .ct-hero__lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(0.96rem, 1.7vw, 1.08rem);
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  padding: clamp(30px, 5vw, 66px) 0 clamp(18px, 3vw, 28px);
}

.page-contact .ct-channels__grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-contact .ct-channels__head {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}

.page-contact .ct-channels__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.2vw, 2.4rem);
  line-height: 1.12;
  color: var(--ink);
}

.page-contact .ct-channels__head p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-line {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 28px) clamp(18px, 2.6vw, 26px) clamp(24px, 3.2vw, 36px);
  border: 1px solid var(--line-soft);
  background: linear-gradient(115deg, rgba(11, 39, 64, 0.92) 0%, rgba(6, 24, 38, 0.52) 100%);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ct-line + .ct-line {
  margin-top: 14px;
}

.page-contact .ct-line::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--cyan);
  transform: scaleY(0.42);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}

.page-contact .ct-line:hover {
  border-color: rgba(156, 247, 240, 0.42);
}

.page-contact .ct-line:hover::before {
  transform: scaleY(1);
}

.page-contact .ct-line__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-line__label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  opacity: 0.85;
}

.page-contact .ct-line__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.55rem);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-line--tel .ct-line__value {
  font-size: clamp(1.35rem, 3.6vw, 2.1rem);
  letter-spacing: 0.07em;
}

.page-contact .ct-line__note {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

/* 地址坐标卡 */
.page-contact .ct-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line-soft);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ct-card:hover {
  border-color: rgba(156, 247, 240, 0.4);
}

.page-contact .ct-card::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  opacity: 0.7;
}

.page-contact .ct-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-contact .ct-card__addr {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 1.9vw, 1.06rem);
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .ct-card__note {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

/* 路径示意图 */
.page-contact .ct-map {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-contact .ct-map__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 94% 100%, 0 100%);
}

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

.page-contact .ct-map figcaption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

/* ---------- 反馈准备清单 ---------- */
.page-contact .ct-prep {
  padding: clamp(34px, 5.4vw, 70px) 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .ct-prep__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-prep__intro h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.2vw, 2.4rem);
  line-height: 1.14;
  color: var(--ink);
}

.page-contact .ct-prep__lede {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .ct-prep__shot {
  position: relative;
  margin: clamp(20px, 3vw, 30px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-contact .ct-checklist {
  counter-reset: prep;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-checklist > li {
  position: relative;
  counter-increment: prep;
  padding: clamp(16px, 2.2vw, 22px) 0 clamp(16px, 2.2vw, 22px) clamp(46px, 6vw, 66px);
  border-bottom: 1px solid var(--line-faint);
  transition: background-color var(--dur) var(--ease);
}

.page-contact .ct-checklist > li:hover {
  background: var(--ct-cyan-soft);
}

.page-contact .ct-checklist > li::before {
  content: "0" counter(prep);
  position: absolute;
  left: 0;
  top: clamp(17px, 2.35vw, 24px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .ct-checklist > li::after {
  content: "";
  position: absolute;
  left: clamp(28px, 3.8vw, 40px);
  top: calc(clamp(17px, 2.35vw, 24px) + 3px);
  width: 8px;
  height: 8px;
  border: 1px solid var(--blueprint);
  transform: rotate(45deg);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .ct-checklist > li:hover::after {
  border-color: var(--cyan);
  background: rgba(36, 224, 230, 0.38);
}

.page-contact .ct-checklist__title {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .ct-checklist__desc {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--steel);
}

/* ---------- 两类问题路线 ---------- */
.page-contact .ct-flow {
  padding: clamp(34px, 5.4vw, 70px) 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .ct-flow__grid {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .ct-flow__item {
  position: relative;
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line-soft);
  background: var(--ct-panel-bg);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ct-flow__item:hover {
  border-color: rgba(156, 247, 240, 0.4);
}

.page-contact .ct-flow__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 44%;
  height: 2px;
  background: var(--orange);
}

.page-contact .ct-flow__item--alt::before {
  background: var(--pink);
}

.page-contact .ct-flow__item h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.24;
  color: var(--ink);
}

.page-contact .ct-steps {
  position: relative;
  margin: 16px 0 0;
  padding: 0 0 0 18px;
  list-style: none;
}

.page-contact .ct-steps::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(36, 224, 230, 0));
}

.page-contact .ct-steps li {
  position: relative;
  padding: 0 0 14px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .ct-steps li:last-child {
  padding-bottom: 0;
}

.page-contact .ct-steps li::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 8px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  background: var(--deep);
}

.page-contact .ct-flow__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-faint);
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 合作咨询 ---------- */
.page-contact .ct-coop {
  padding: clamp(34px, 5.4vw, 70px) 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .ct-coop__lede {
  max-width: 66ch;
  margin: 12px 0 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .ct-coop__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-faint);
  background: var(--line-faint);
}

.page-contact .ct-coop__cell {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--deep);
  transition: background-color var(--dur) var(--ease);
}

.page-contact .ct-coop__cell:hover {
  background: rgba(11, 39, 64, 0.86);
}

.page-contact .ct-coop__cell .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-coop__cell h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--ink);
}

.page-contact .ct-coop__cell p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .ct-coop__note {
  margin: 18px 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-coop__note .mono {
  color: var(--mint);
  overflow-wrap: anywhere;
}

/* ---------- 联系地址 ---------- */
.page-contact .ct-addr {
  padding: clamp(34px, 5.4vw, 70px) 0 clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .ct-addr__panel {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--line-soft);
  background: linear-gradient(100deg, rgba(11, 39, 64, 0.9) 0%, rgba(6, 24, 38, 0.34) 100%);
}

.page-contact .ct-addr__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  right: 22px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--cyan) 0 8px, rgba(36, 224, 230, 0) 8px 16px);
  opacity: 0.45;
}

.page-contact .ct-addr__line {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.32rem, 3vw, 2.05rem);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .ct-addr__desc {
  margin: 14px 0 0;
  font-size: 0.91rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .ct-addr__meta {
  display: grid;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-contact .ct-addr__meta > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .ct-addr__meta > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-addr__meta > div > span:first-child {
  color: var(--steel);
}

.page-contact .ct-addr__meta > div > span:last-child {
  color: var(--mint);
  text-align: right;
}

.page-contact .ct-addr__legal {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-addr__legal a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(156, 247, 240, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-addr__legal a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 下一步 ---------- */
.page-contact .ct-next {
  display: grid;
  gap: clamp(16px, 2.6vw, 28px);
  margin-top: clamp(6px, 1.4vw, 14px);
  padding: clamp(22px, 3.2vw, 34px) 0 clamp(38px, 5.4vw, 76px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .ct-next__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  color: var(--ink);
}

.page-contact .ct-next__text p {
  max-width: 64ch;
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .ct-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
  }

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

  .page-contact .ct-addr__panel {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-contact .ct-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-line::before,
  .page-contact .ct-line,
  .page-contact .ct-card,
  .page-contact .ct-flow__item,
  .page-contact .ct-coop__cell,
  .page-contact .ct-checklist > li,
  .page-contact .ct-checklist > li::after,
  .page-contact .crumbs a,
  .page-contact .ct-addr__legal a {
    transition: none;
  }

  .page-contact .ct-line::before {
    transform: scaleY(1);
  }
}