.page-contact {
  --ct-line: rgba(11, 15, 20, .14);
  --ct-line-inv: rgba(244, 246, 248, .18);
  --ct-body: #4d565f;
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--night);
  color: var(--mist);
  padding: clamp(18px, 3vw, 32px) 0 clamp(34px, 5vw, 64px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -8%;
  width: 46%;
  height: 168%;
  background: linear-gradient(180deg, rgba(196, 55, 43, .34), rgba(122, 31, 26, .04));
  transform: skewX(-14deg);
  pointer-events: none;
  z-index: -1;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--soil) 0 36%, var(--sand) 36% 54%, var(--neon) 54% 70%, var(--plateau) 70% 100%);
}

.page-contact .ct-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero .breadcrumb,
.page-contact .ct-hero .breadcrumb__list,
.page-contact .ct-hero .breadcrumb a {
  color: rgba(244, 246, 248, .66);
}

.page-contact .ct-hero .breadcrumb a:hover,
.page-contact .ct-hero .breadcrumb a:focus-visible {
  color: var(--neon);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-contact .ct-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-contact .ct-dot {
  width: 10px;
  height: 10px;
  background: var(--soil);
  flex: none;
}

.page-contact .ct-hero h1 {
  margin: .22em 0 .38em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -.03em;
  color: #fff;
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.72;
  color: rgba(244, 246, 248, .8);
}

.page-contact .ct-quicklist {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-line-inv);
  border: 1px solid var(--ct-line-inv);
}

.page-contact .ct-quicklist li {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--night);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 246, 248, .72);
}

.page-contact .ct-quicklist__k {
  min-width: 42px;
  color: var(--sand);
  font-weight: 700;
  letter-spacing: .1em;
}

.page-contact .ct-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--ct-line-inv);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-hero__figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
  background: rgba(11, 15, 20, .92);
  border-top: 1px solid var(--ct-line-inv);
}

/* ---------- 主体两栏 ---------- */
.page-contact .ct-layout {
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  padding-top: clamp(30px, 5vw, 62px);
  padding-bottom: clamp(30px, 5vw, 68px);
}

/* ---------- 联系卡 ---------- */
.page-contact .ct-card {
  background: var(--paper);
  border: 1px solid var(--ct-line);
  border-top: 4px solid var(--soil);
  padding: 20px 18px 22px;
  box-shadow: var(--shadow-panel);
}

.page-contact .ct-card__eyebrow {
  margin: 0 0 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--soil);
}

.page-contact .ct-card__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -.02em;
}

.page-contact .ct-channel {
  padding: 14px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-channel__label {
  margin: 0 0 5px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(.95rem, 1.7vw, 1.1rem);
  font-weight: 700;
  line-height: 1.5;
  word-break: break-all;
  color: var(--ink);
}

.page-contact .ct-channel__value--addr {
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.65;
  word-break: normal;
}

.page-contact .ct-channel__note {
  margin: 7px 0 10px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ct-body);
}

.page-contact .ct-copy {
  font: inherit;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 8px 15px;
  background: var(--night);
  color: var(--mist);
  border: 1px solid var(--night);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible,
.page-contact .ct-copy.is-copied {
  background: var(--neon);
  color: var(--night);
  border-color: var(--neon);
}

/* ---------- 快速跳转 ---------- */
.page-contact .ct-jump {
  margin-top: 20px;
  border: 1px solid var(--ct-line);
  background: var(--paper-2);
}

.page-contact .ct-jump__title {
  margin: 0;
  padding: 11px 16px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--stand);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-jump ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-jump li + li {
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-jump a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 16px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .ct-jump a::after {
  content: "→";
  color: var(--mute);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  background: var(--night);
  color: var(--mist);
  padding-left: 21px;
}

.page-contact .ct-jump a:hover::after,
.page-contact .ct-jump a:focus-visible::after {
  color: var(--neon);
  transform: translateX(4px);
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-main {
  min-width: 0;
}

.page-contact .ct-block {
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-block:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-block__head {
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-contact .ct-block__kicker {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--soil);
}

.page-contact .ct-block__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.025em;
}

.page-contact .ct-block__foot {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--sand);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ct-body);
}

.page-contact .ct-block__foot a {
  color: var(--plateau);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-block__foot a:hover,
.page-contact .ct-block__foot a:focus-visible {
  color: var(--soil);
}

/* ---------- 受理范围 ---------- */
.page-contact .ct-scope {
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-scope__item {
  background: var(--paper);
  padding: 20px 18px 22px;
  transition: background var(--dur) var(--ease);
}

.page-contact .ct-scope__item:hover {
  background: var(--mist);
}

.page-contact .ct-scope__item h3 {
  margin: 0 0 10px;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .ct-scope__item h3::before {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  margin-bottom: 11px;
  background: var(--soil);
}

.page-contact .ct-scope__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ct-body);
}

.page-contact .ct-scope__item a {
  color: var(--plateau);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-scope__item a:hover,
.page-contact .ct-scope__item a:focus-visible {
  color: var(--soil);
}

/* ---------- 流程 ---------- */
.page-contact .ct-flow__grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-contact .ct-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-contact .ct-timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: linear-gradient(180deg, var(--soil), var(--sand) 55%, var(--stand));
}

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 12px 12px 0;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-step + .ct-step {
  margin-top: 4px;
}

.page-contact .ct-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--night);
  color: var(--neon);
  border: 1px solid var(--night);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .ct-step__body h3 {
  margin: 3px 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ct-body);
}

.page-contact .ct-step:hover,
.page-contact .ct-step:focus-within {
  background: var(--mist);
  border-color: var(--ct-line);
}

.page-contact .ct-step:hover .ct-step__num,
.page-contact .ct-step:focus-within .ct-step__num {
  background: var(--soil);
  border-color: var(--soil);
  color: #fff;
}

.page-contact .ct-flow__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--ct-line);
}

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

.page-contact .ct-flow__figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--stand);
  background: var(--mist);
  border-top: 1px solid var(--ct-line);
}

/* ---------- 合作 ---------- */
.page-contact .ct-partner {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .ct-partner__item {
  background: var(--paper);
  border: 1px solid var(--ct-line);
  border-top: 3px solid var(--plateau);
  padding: 18px 18px 20px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .ct-partner__item:hover,
.page-contact .ct-partner__item:focus-within {
  border-top-color: var(--neon);
  box-shadow: var(--shadow-lift);
}

.page-contact .ct-partner__item h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 700;
}

.page-contact .ct-partner__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ct-body);
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-block--stage {
  position: relative;
  border-bottom: 0;
  background: var(--stand);
  color: var(--mist);
  padding: clamp(26px, 3.4vw, 40px) clamp(18px, 3vw, 34px);
}

.page-contact .ct-block--stage::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--soil), var(--sand) 42%, var(--neon) 72%, var(--plateau));
}

.page-contact .ct-block--stage .ct-block__kicker {
  color: var(--sand);
}

.page-contact .ct-block--stage .ct-block__title {
  color: #fff;
}

.page-contact .ct-stage__grid {
  display: grid;
  gap: 22px;
}

.page-contact .ct-stage__label {
  margin: 0 0 7px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-contact .ct-stage__addr {
  margin: 0;
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  font-weight: 700;
  line-height: 1.62;
}

.page-contact .ct-stage__icp {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  font-weight: 700;
  letter-spacing: .02em;
}

.page-contact .ct-stage__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(244, 246, 248, .72);
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-ask {
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-ask__item {
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-ask__item summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 16px 46px 16px 0;
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 700;
  letter-spacing: -.01em;
  transition: color var(--dur) var(--ease);
}

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

.page-contact .ct-ask__item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--soil);
  transition: color var(--dur) var(--ease);
}

.page-contact .ct-ask__item[open] summary::after {
  content: "–";
  color: var(--plateau);
}

.page-contact .ct-ask__item summary:hover,
.page-contact .ct-ask__item summary:focus-visible {
  color: var(--soil);
}

.page-contact .ct-ask__item p {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ct-body);
}

.page-contact .ct-ask__item a {
  color: var(--plateau);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-ask__item a:hover,
.page-contact .ct-ask__item a:focus-visible {
  color: var(--soil);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-scope {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-contact .ct-stage__grid {
    grid-template-columns: 1.35fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }

  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-layout {
    grid-template-columns: minmax(258px, 336px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-side {
    position: sticky;
    top: clamp(86px, 9vw, 130px);
  }
}

@media (max-width: 480px) {
  .page-contact .ct-hero::before {
    right: -22%;
    width: 62%;
  }

  .page-contact .ct-step {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 13px;
  }

  .page-contact .ct-step__num {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .page-contact .ct-timeline::before {
    left: 16px;
  }
}