.page-contact {
  --ct-gap: clamp(1rem, 2.4vw, 1.6rem);
  --ct-cut: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
  --ct-onpale: #2c3a46;
  background: var(--deep);
  color: var(--cream);
  overflow-x: clip;
}

.page-contact .ct-crumb {
  padding: clamp(1.4rem, 4vw, 2.2rem) 0 0;
}

.page-contact .ct-crumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-contact .ct-crumb__item + .ct-crumb__item::before {
  content: "/";
  margin-right: .45rem;
  color: rgba(155, 176, 196, .55);
}

.page-contact .ct-crumb__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}

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

.page-contact .ct-crumb__current {
  color: var(--cream);
}

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

/* ---------- 首屏服务台 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 clamp(2.4rem, 6vw, 4.5rem);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -18%;
  width: 72%;
  height: 95%;
  background: radial-gradient(circle at 45% 45%, rgba(53, 242, 208, .16), transparent 62%);
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-contact .ct-hero__title {
  margin: .7rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 8.6vw, 4.4rem);
  line-height: .95;
  letter-spacing: -.015em;
  color: var(--cream);
}

.page-contact .ct-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(1rem, 2.2vw, 1.08rem);
  line-height: 1.8;
  color: rgba(244, 239, 227, .84);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  background: var(--night);
  border: 1px solid var(--line);
  clip-path: var(--ct-cut);
  box-shadow: 0 18px 40px rgba(8, 13, 18, .45);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .ct-hero__cap {
  position: absolute;
  top: 0;
  right: 0;
  margin: 0;
  padding: .4rem .85rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--cyan);
  background: rgba(6, 26, 43, .86);
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- 通栏标题 ---------- */

.page-contact .ct-head {
  max-width: 42em;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

.page-contact .ct-head .h-section {
  margin: .55rem 0 .75rem;
  color: var(--cream);
  line-height: 1.14;
}

.page-contact .section--paper .ct-head .h-section {
  color: var(--ink);
}

.page-contact .ct-head__lede {
  margin: 0;
  max-width: 40em;
  font-size: .98rem;
  line-height: 1.85;
  color: rgba(244, 239, 227, .76);
}

.page-contact .section--paper .ct-head__lede {
  color: var(--ct-onpale);
}

.page-contact .section--paper .eyebrow {
  color: var(--night);
}

/* ---------- 联系信息 ---------- */

.page-contact .ct-info {
  padding: clamp(2.4rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-channels {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  position: relative;
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: linear-gradient(150deg, rgba(12, 41, 66, .95), rgba(6, 26, 43, .95));
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform var(--ease), border-color var(--ease);
}

.page-contact .ct-channel:hover {
  transform: translateY(-3px);
  border-color: rgba(53, 242, 208, .45);
}

.page-contact .ct-channel--tel {
  border-left-color: var(--gold);
}

.page-contact .ct-channel--addr {
  border-left-color: var(--violet);
}

.page-contact .ct-channel__label {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-channel__value {
  margin: 0 0 .65rem;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 3.4vw, 1.28rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--mail .ct-channel__value {
  color: var(--cyan);
}

.page-contact .ct-channel--tel .ct-channel__value {
  font-size: clamp(1.35rem, 5.2vw, 1.75rem);
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .ct-channel--addr .ct-channel__value {
  font-family: var(--font-body);
  font-size: clamp(1rem, 3vw, 1.12rem);
  color: var(--cream);
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(244, 239, 227, .72);
}

/* ---------- 自助查询 ---------- */

.page-contact .ct-self {
  padding: clamp(2.6rem, 6vw, 4.5rem) 0;
}

.page-contact .ct-self__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-self__card {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.25rem;
  background: var(--deep);
  border: 1px solid rgba(53, 242, 208, .18);
  clip-path: var(--ct-cut);
  transition: transform var(--ease), border-color var(--ease);
}

.page-contact .ct-self__card:hover {
  transform: translateY(-3px);
  border-color: rgba(53, 242, 208, .5);
}

.page-contact .ct-self__tag {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .ct-self__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: .01em;
  color: var(--cream);
}

.page-contact .ct-self__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: rgba(244, 239, 227, .74);
}

.page-contact .ct-self__link {
  display: inline-block;
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: .15rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, .42);
  transition: border-color var(--ease), color var(--ease);
}

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

/* ---------- 反馈类型 ---------- */

.page-contact .ct-types {
  padding: clamp(2.6rem, 6vw, 4.5rem) 0;
}

.page-contact .ct-type-grid {
  display: grid;
  gap: .85rem;
}

.page-contact .ct-type {
  border: 1px solid var(--line-soft);
  background: rgba(12, 41, 66, .62);
  transition: border-color var(--ease), background var(--ease);
}

.page-contact .ct-type[open] {
  border-color: rgba(53, 242, 208, .45);
  background: rgba(12, 41, 66, .92);
}

.page-contact .ct-type__sum {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.06rem;
  letter-spacing: .01em;
  color: var(--cream);
}

.page-contact .ct-type__sum::-webkit-details-marker {
  display: none;
}

.page-contact .ct-type__num {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .ct-type__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
  transition: transform var(--ease);
}

.page-contact .ct-type[open] .ct-type__sum::after {
  transform: rotate(45deg);
}

.page-contact .ct-type__body {
  margin: 0;
  padding: 0 1.15rem 1.15rem;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(244, 239, 227, .78);
}

.page-contact .ct-type__body strong {
  color: var(--cream);
  font-weight: 600;
}

/* ---------- 处理流程 ---------- */

.page-contact .ct-flow {
  padding: clamp(1rem, 3vw, 2rem) 0 clamp(2.6rem, 6vw, 4.5rem);
}

.page-contact .ct-flow__panel {
  padding: clamp(1.4rem, 4vw, 2.4rem);
  background:
    linear-gradient(-6deg, rgba(167, 123, 255, .12), transparent 55%),
    linear-gradient(160deg, rgba(12, 41, 66, .95), rgba(6, 26, 43, .98));
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: ctstep;
}

.page-contact .ct-step {
  position: relative;
  padding-left: 2.9rem;
  counter-increment: ctstep;
}

.page-contact .ct-step::before {
  content: counter(ctstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .05rem;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--deep);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.page-contact .ct-step__title {
  display: block;
  margin-bottom: .18rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: .02em;
  color: var(--cream);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(244, 239, 227, .75);
}

/* ---------- 合作咨询 ---------- */

.page-contact .ct-coop {
  padding: 0 0 clamp(2.4rem, 6vw, 4rem);
}

.page-contact .ct-coop__panel {
  padding: clamp(1.4rem, 4vw, 2.4rem);
  background:
    linear-gradient(115deg, rgba(255, 177, 59, .14), rgba(6, 26, 43, .25) 58%),
    rgba(12, 41, 66, .55);
  border: 1px solid rgba(255, 177, 59, .32);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-contact .ct-coop__lede {
  margin: 0 0 1.1rem;
  max-width: 44em;
  font-size: .96rem;
  line-height: 1.85;
  color: rgba(244, 239, 227, .82);
}

.page-contact .ct-coop__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.page-contact .ct-coop__tag {
  padding: .35rem .75rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--gold);
  border: 1px solid rgba(255, 177, 59, .45);
  background: rgba(255, 177, 59, .08);
}

.page-contact .ct-coop__note {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(244, 239, 227, .72);
  overflow-wrap: anywhere;
}

/* ---------- 地址 ---------- */

.page-contact .ct-addr {
  padding: 0 0 clamp(3rem, 7vw, 5rem);
}

.page-contact .ct-addr__inner {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  align-items: center;
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(1.6rem, 4vw, 2.6rem);
}

.page-contact .ct-addr__value {
  margin: .35rem 0 .8rem;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3.8vw, 1.45rem);
  line-height: 1.5;
  color: var(--gold);
}

.page-contact .ct-addr__note {
  margin: 0;
  max-width: 32em;
  font-size: .94rem;
  line-height: 1.8;
  color: rgba(244, 239, 227, .76);
}

.page-contact .ct-addr__figure {
  margin: 0;
  background: var(--night);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), 0 100%);
}

.page-contact .ct-addr__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-contact .ct-type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }

  .page-contact .ct-channels {
    grid-template-columns: 1.45fr 1fr 1fr;
  }

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

  .page-contact .ct-addr__inner {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-contact .ct-steps {
    gap: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-self__card,
  .page-contact .ct-type,
  .page-contact .ct-type__sum::after,
  .page-contact .ct-self__link,
  .page-contact .ct-crumb__link {
    transition: none;
  }

  .page-contact .ct-channel:hover,
  .page-contact .ct-self__card:hover {
    transform: none;
  }
}