.page-contact {
  --ct-gap: clamp(18px, 3vw, 32px);
  --ct-line: rgba(126, 140, 166, .18);
  position: relative;
}

.page-contact .crumbs {
  padding-top: 22px;
}

.page-contact .ct-intro {
  position: relative;
  overflow: hidden;
  padding-top: clamp(24px, 4vw, 44px);
}

.page-contact .ct-wire {
  position: absolute;
  top: 0;
  right: -6%;
  width: min(560px, 78%);
  height: auto;
  color: var(--green);
  opacity: .22;
  pointer-events: none;
}

.page-contact .ct-intro__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: end;
}

.page-contact .ct-intro__head h1 {
  margin: 12px 0 0;
  font-family: var(--ff-display);
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .ct-intro__body p {
  margin: 0 0 .7em;
  color: var(--stone);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-contact .ct-intro__body p:last-child {
  margin-bottom: 0;
}

/* 三条渠道：横向大字 */
.page-contact .ct-lanes-sec {
  padding: clamp(26px, 4.4vw, 52px) 0 0;
}

.page-contact .ct-lanes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}

.page-contact .ct-lane {
  background: var(--ink);
  display: grid;
  align-content: start;
  gap: 9px;
  padding: clamp(18px, 2.6vw, 26px) clamp(14px, 2vw, 22px);
}

.page-contact .ct-lane__no {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--green);
  text-transform: uppercase;
}

.page-contact .ct-lane__value {
  font-family: var(--ff-mono);
  font-size: clamp(16px, 2.3vw, 23px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color .2s var(--ease);
}

.page-contact .ct-lane__value--plain {
  color: var(--stone);
}

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

.page-contact .ct-lane__note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* 通栏横幅 */
.page-contact .ct-banner {
  margin: clamp(28px, 4.4vw, 52px) 0 0;
}

.page-contact .ct-banner img {
  width: 100%;
  height: auto;
}

/* 按诉求选渠道 */
.page-contact .ct-fit__text {
  grid-column: 1 / -1;
}

.page-contact .ct-fit__figure {
  grid-column: 1 / -1;
  margin: 0;
}

.page-contact .ct-fit h2,
.page-contact .ct-urgent h2,
.page-contact .ct-coop h2,
.page-contact .ct-fix h2,
.page-contact .ct-office h2 {
  margin: 12px 0 0;
  font-family: var(--ff-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .ct-fit__list {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-fit__list > div {
  padding: 15px 0;
  border-top: 1px solid var(--ct-line);
  display: grid;
  gap: 6px;
}

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

.page-contact .ct-fit__list dt {
  position: relative;
  padding-left: 17px;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  color: var(--white);
}

.page-contact .ct-fit__list dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: 7px;
  height: 7px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-contact .ct-fit__list dd {
  margin: 0;
  padding-left: 17px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

/* 紧急技术问题 */
.page-contact .ct-urgent__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-urgent__head .prose {
  margin-top: 14px;
}

.page-contact .ct-checklist {
  counter-reset: ct;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}

.page-contact .ct-checklist li {
  position: relative;
  counter-increment: ct;
  background: var(--ink);
  padding: 14px 16px 14px 50px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--stone);
}

.page-contact .ct-checklist li::before {
  content: counter(ct, decimal-leading-zero);
  position: absolute;
  left: 15px;
  top: 14px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--green);
}

/* 合作与内容授权 */
.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-contact .ct-coop__item {
  border-top: 1px solid var(--line-2);
  padding-top: 18px;
}

.page-contact .ct-coop__item h3 {
  margin: 0 0 10px;
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .ct-coop__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .ct-coop__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ct-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-coop__foot a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.page-contact .ct-coop__foot a:hover {
  border-color: var(--green);
}

/* 数据纠错 */
.page-contact .ct-fix__head {
  grid-column: 1 / -1;
}

.page-contact .ct-fix__body {
  grid-column: 1 / -1;
}

.page-contact .ct-fix__body p {
  margin: 0 0 .85em;
  color: var(--stone);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-contact .ct-fix__body p:last-child {
  margin-bottom: 0;
}

/* 办公地址与备案 */
.page-contact .ct-office__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .ct-office__addr {
  margin: 18px 0 14px;
  padding-left: 14px;
  border-left: 3px solid var(--green);
  font-family: var(--ff-mono);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.55;
  color: var(--white);
}

.page-contact .ct-office__block .prose {
  margin: 0;
}

.page-contact .ct-meta {
  margin: 20px 0 0;
  padding: 0;
  display: grid;
}

.page-contact .ct-meta > div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--ct-line);
}

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

.page-contact .ct-meta dt {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  padding-top: 3px;
}

.page-contact .ct-meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--stone);
  overflow-wrap: anywhere;
}

.page-contact .ct-meta dd a {
  color: var(--green);
  text-decoration: none;
}

/* 页尾索引 */
.page-contact .ct-links {
  padding-top: clamp(30px, 5vw, 52px);
  padding-bottom: clamp(34px, 6vw, 72px);
}

.page-contact .ct-links ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-contact .ct-links a {
  color: var(--stone);
  font-size: 15px;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-2);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-links a:hover,
.page-contact .ct-links a:focus-visible {
  color: var(--green);
  border-color: var(--green);
}

@media (min-width: 820px) {
  .page-contact .ct-lanes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .ct-intro__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(30px, 5vw, 76px);
  }

  .page-contact .ct-fit__text {
    grid-column: 1 / 8;
  }

  .page-contact .ct-fit__figure {
    grid-column: 9 / -1;
    align-self: start;
  }

  .page-contact .ct-urgent__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: clamp(30px, 5vw, 80px);
  }

  .page-contact .ct-fix__head {
    grid-column: 1 / 5;
  }

  .page-contact .ct-fix__body {
    grid-column: 6 / -1;
  }

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

@media (max-width: 1040px) {
  .page-contact {
    padding-bottom: calc(var(--tabbar-h) + 26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-lane__value,
  .page-contact .ct-links a,
  .page-contact .ct-coop__foot a {
    transition: none;
  }
}