.page-contact {
  --contact-hair: rgba(41, 224, 214, .28);
  --contact-hair-soft: rgba(41, 224, 214, .12);
  --contact-row: rgba(14, 22, 48, .62);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist-400);
}

.page-contact .contact-crumb a {
  color: inherit;
  text-decoration: none;
  transition: color .25s var(--ease);
}

.page-contact .contact-crumb a:hover {
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 40px;
  padding-top: 18px;
  padding-bottom: 60px;
}

.page-contact .contact-hero__copy {
  min-width: 0;
}

.page-contact h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 12px 0 18px;
}

.page-contact .contact-lead {
  max-width: 36em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-contact .contact-hero__copy::after {
  content: "";
  display: block;
  width: min(240px, 58%);
  height: 1px;
  margin-top: 34px;
  background: linear-gradient(90deg, var(--cyan-400), rgba(41, 224, 214, 0));
  transform: rotate(-6deg);
  transform-origin: left center;
}

.page-contact .contact-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
}

.page-contact .contact-jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-pill);
  font-size: 12.5px;
  color: var(--mist-400);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .contact-jump a:hover {
  color: var(--cyan-400);
  border-color: var(--contact-hair);
}

/* ---------- 联系方式卡片 ---------- */
.page-contact .chan-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .chan {
  display: grid;
  gap: 9px;
  padding: 20px 22px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(14, 22, 48, .96), rgba(7, 12, 27, .92));
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .chan:hover {
  transform: translateY(-5px);
  border-color: var(--contact-hair);
}

.page-contact .chan__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .chan__key {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mist-400);
}

.page-contact .chan__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--cyan-400);
  overflow-wrap: anywhere;
}

.page-contact .chan__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .chan .copy {
  justify-self: start;
  margin-top: 2px;
}

/* ---------- 复制按钮 ---------- */
.page-contact .copy {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1;
  padding: 8px 16px;
  color: var(--cyan-400);
  background: var(--contact-hair-soft);
  border: 1px solid var(--contact-hair);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .copy:hover {
  background: rgba(41, 224, 214, .18);
}

.page-contact .copy[data-copied] {
  color: var(--gold-300);
  border-color: rgba(245, 196, 107, .5);
}

/* ---------- 首屏视觉 ---------- */
.page-contact .contact-hero__visual {
  min-width: 0;
}

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

/* ---------- 通用分区 ---------- */
.page-contact .section {
  padding-block: 52px;
}

.page-contact .sec-head {
  max-width: 720px;
  margin-bottom: 32px;
}

.page-contact .sec-head h2,
.page-contact .contact-mail__intro h2,
.page-contact .contact-self h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 5.2vw, 38px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--mist-100);
  margin: 10px 0 14px;
}

.page-contact .sec-head p,
.page-contact .contact-mail__intro p,
.page-contact .self-intro p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-400);
}

/* ---------- 流程 ---------- */
.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .step {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--ink-800);
  border: 1px solid var(--slate-600);
  border-radius: var(--r-md);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .step:hover {
  transform: translateY(-4px);
  border-color: var(--contact-hair);
}

.page-contact .step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--contact-hair);
  font-size: 12.5px;
  color: var(--cyan-400);
}

.page-contact .step h3 {
  font-family: var(--font-head);
  font-size: 19px;
  color: var(--mist-100);
  margin: 0 0 8px;
}

.page-contact .step p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .step p.step__more {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(154, 166, 196, .25);
  color: var(--mist-400);
}

.page-contact .flow-figure {
  margin-top: 36px;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 数据带 ---------- */
.page-contact .contact-stats {
  margin-block: 10px;
}

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

.page-contact .stat {
  display: grid;
  gap: 8px;
}

.page-contact .stat__num {
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--gold-300);
}

.page-contact .stat__lab {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist-400);
}

/* ---------- 邮件标题 ---------- */
.page-contact .contact-mail__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-mail__intro p {
  margin-bottom: 20px;
}

.page-contact .tpl {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--contact-hair);
  border-radius: var(--r-md);
  background: rgba(6, 58, 61, .5);
}

.page-contact .tpl code {
  flex: 1 1 240px;
  min-width: 0;
  font-size: 14px;
  color: var(--mist-100);
  overflow-wrap: anywhere;
}

.page-contact .contact-mail__check {
  padding: 24px 24px 22px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

.page-contact .contact-mail__check h3 {
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.35;
  color: var(--mist-100);
  margin: 0 0 16px;
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
}

/* ---------- 咨询分类 ---------- */
.page-contact .cats {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(7, 12, 27, .5);
}

.page-contact .cat-row {
  display: grid;
  gap: 10px;
  padding: 22px;
  border-bottom: 1px solid rgba(36, 48, 79, .85);
  transition: background .25s var(--ease);
}

.page-contact .cat-row:last-child {
  border-bottom: 0;
}

.page-contact .cat-row:nth-child(even) {
  background: var(--contact-row);
}

.page-contact .cat-row:hover {
  background: rgba(41, 224, 214, .06);
}

.page-contact .cat-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.page-contact .cat-row__head h3 {
  font-family: var(--font-head);
  font-size: 19px;
  color: var(--mist-100);
  margin: 0;
}

.page-contact .cat-row__path {
  margin: 0;
  font-size: 12.5px;
  color: var(--violet-400);
}

.page-contact .cat-row__what {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-100);
}

.page-contact .cat-row__need {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist-400);
}

.page-contact .cat-row__need .mono {
  color: var(--mist-400);
}

/* ---------- 自助出口 ---------- */
.page-contact .self-grid {
  display: grid;
  gap: 30px;
}

.page-contact .self-intro p {
  margin-bottom: 22px;
}

.page-contact .self-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .self-links a {
  display: block;
  padding: 16px 20px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-md);
  font-size: 16px;
  color: var(--mist-100);
  text-decoration: none;
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-contact .self-links a:hover {
  border-color: var(--contact-hair);
  background: rgba(41, 224, 214, .05);
  transform: translateX(5px);
}

.page-contact .self-links span {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist-400);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .section {
    padding-block: 72px;
  }

  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, .85fr);
    align-items: start;
    gap: 56px;
    padding-bottom: 88px;
  }

  .page-contact .contact-hero__visual {
    transform: translateY(-26px);
  }

  .page-contact .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 39px;
    right: -22px;
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan-400), rgba(41, 224, 214, 0));
  }

  .page-contact .contact-stats__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .self-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .cat-row {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.6fr) minmax(0, 1.35fr);
    align-items: start;
    gap: 26px;
    padding: 20px 26px;
  }

  .page-contact .cat-row__head {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
  }
}

@media (min-width: 1120px) {
  .page-contact .chan:nth-child(2) {
    margin-left: 26px;
  }

  .page-contact .chan:nth-child(3) {
    margin-left: 52px;
  }
}

/* 悬停展开流程细节：触屏与无悬停设备保持全部展开 */
@media (hover: hover) and (min-width: 900px) {
  .page-contact .step p.step__more {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    overflow: hidden;
    opacity: 0;
    transition: max-height .35s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease), padding-top .3s var(--ease), border-top-color .3s var(--ease);
  }

  .page-contact .step:hover p.step__more,
  .page-contact .step:focus-within p.step__more {
    max-height: 260px;
    margin-top: 12px;
    padding-top: 12px;
    border-top-color: rgba(154, 166, 196, .25);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan,
  .page-contact .step,
  .page-contact .self-links a {
    transition: none;
  }

  .page-contact .chan:hover,
  .page-contact .step:hover,
  .page-contact .self-links a:hover {
    transform: none;
  }
}