.page-contact {
  background: var(--ink);
  color: var(--platinum);
  font-family: var(--font-body);
  padding-bottom: 96px;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-contact .breadcrumbs a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}
.page-contact .breadcrumbs__sep { color: var(--gold-line); }
.page-contact .breadcrumbs [aria-current="page"] { color: var(--platinum); }

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: clamp(40px, 6vw, 64px) 0;
  border-bottom: 1px solid var(--gold-line);
}
.page-contact .section:last-of-type { border-bottom: 0; }

.page-contact .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .h-display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--platinum);
}

.page-contact .media { margin: 0; }
.page-contact .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .media__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .co-hero {
  display: grid;
  gap: 28px;
  padding: clamp(26px, 4vw, 44px) 0 clamp(38px, 5vw, 58px);
  border-bottom: 1px solid var(--gold-line);
}
.page-contact .co-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 66px);
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--platinum);
}
.page-contact .co-hero .lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.72;
  color: var(--platinum);
  opacity: .88;
}
.page-contact .co-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-contact .co-hero__side {
  position: relative;
  padding: 22px 22px 24px;
  background:
    linear-gradient(150deg, rgba(212, 160, 23, .16), rgba(11, 13, 16, 0) 62%),
    var(--ink-2);
  border: 1px solid var(--gold-line);
  border-left: 4px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-contact .co-hero__side-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-contact .co-hero__clock {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: .02em;
  color: var(--lava);
}
.page-contact .co-hero__clock span {
  color: var(--gold-line);
  padding: 0 4px;
}
.page-contact .co-hero__stats {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--mist);
}
.page-contact .co-hero__stats span {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
}

/* ---------- 合作方式 ---------- */
.page-contact .co-types__head {
  display: grid;
  gap: 14px;
  max-width: 74ch;
}
.page-contact .co-types__intro {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .co-types__media {
  margin: clamp(22px, 3vw, 30px) 0 clamp(26px, 3.5vw, 36px);
  border: 1px solid var(--gold-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}
.page-contact .co-types__grid {
  display: grid;
  gap: 16px;
}
.page-contact .co-type {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink-2);
  border: 1px solid var(--gold-line);
  border-top: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.page-contact .co-type:hover { border-color: var(--gold); }
.page-contact .co-type__idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}
.page-contact .co-type h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--platinum);
}
.page-contact .co-type p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist);
}
.page-contact .co-type p:last-child { margin-bottom: 0; }
.page-contact .co-type__fit { color: var(--jade) !important; }
.page-contact .co-type__key {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* ---------- 联系方式 ---------- */
.page-contact .co-channels__head {
  display: grid;
  gap: 22px;
  margin-bottom: clamp(26px, 3.5vw, 38px);
}
.page-contact .co-channels__intro {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .co-channels__media {
  border: 1px solid var(--gold-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  overflow: hidden;
  opacity: .92;
}
.page-contact .co-channels__grid {
  display: grid;
  gap: 16px;
}
.page-contact .co-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 26px;
  background: var(--ink-2);
  border: 1px solid var(--gold-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.page-contact .co-card:hover,
.page-contact .co-card:focus-within {
  border-color: var(--jade);
  box-shadow: 0 0 0 1px rgba(46, 196, 182, .32);
}
.page-contact .co-card--mail {
  background:
    linear-gradient(158deg, rgba(212, 160, 23, .18), rgba(11, 13, 16, 0) 58%),
    var(--ink-2);
  border-color: var(--gold);
  border-top: 4px solid var(--gold);
}
.page-contact .co-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-contact .co-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 20px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--platinum);
  word-break: break-word;
  user-select: all;
}
.page-contact .co-card__value--text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: 0;
  user-select: text;
}
.page-contact .co-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .co-card .btn { align-self: flex-start; margin-top: 4px; }

/* ---------- 邮件指引 ---------- */
.page-contact .co-mail__grid {
  display: grid;
  gap: 28px;
}
.page-contact .co-mail__lede {
  margin: 16px 0 26px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 62ch;
}
.page-contact .co-mail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}
.page-contact .co-mail__list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--gold-line);
}
.page-contact .co-mail__list li:last-child { border-bottom: 1px solid var(--gold-line); }
.page-contact .co-mail__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: 3px;
}
.page-contact .co-mail__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  color: var(--platinum);
}
.page-contact .co-mail__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .co-mail__aside {
  padding: 24px 22px 26px;
  background:
    linear-gradient(200deg, rgba(46, 196, 182, .14), rgba(11, 13, 16, 0) 60%),
    var(--ink-2);
  border: 1px solid var(--gold-line);
  border-top: 3px solid var(--jade);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  align-self: start;
}
.page-contact .co-mail__aside-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--jade);
}
.page-contact .co-mail__subject {
  margin: 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--platinum);
  background: rgba(11, 13, 16, .72);
  border-left: 3px solid var(--jade);
  word-break: break-word;
}
.page-contact .co-mail__rule {
  height: 1px;
  margin: 20px 0;
  background: var(--gold-line);
}
.page-contact .co-mail__aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .co-mail__aside-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 12px;
  font-size: 13.5px;
  line-height: 1.5;
}
.page-contact .co-mail__aside-list span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--mist);
}
.page-contact .co-mail__aside-list b {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--gold);
  word-break: break-word;
}
.page-contact .co-mail__aside-tip {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--gold-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 洽谈流程 ---------- */
.page-contact .co-flow__lede {
  margin: 14px 0 30px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .co-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
  counter-reset: none;
}
.page-contact .co-step {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink-2);
  border: 1px solid var(--gold-line);
  border-left: 3px solid var(--lava);
}
.page-contact .co-step__num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--lava);
}
.page-contact .co-step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--platinum);
}
.page-contact .co-step p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .co-step__need {
  margin: 0 !important;
  padding-top: 10px;
  border-top: 1px dashed var(--gold-line);
  color: var(--jade) !important;
  font-size: 13.5px !important;
}

/* ---------- 线下体验点 ---------- */
.page-contact .co-offline__grid {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}
.page-contact .co-offline__text p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 62ch;
}
.page-contact .co-offline__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}
.page-contact .co-offline__list li {
  padding: 14px 0;
  border-top: 1px solid var(--gold-line);
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist);
}
.page-contact .co-offline__list li:last-child { border-bottom: 1px solid var(--gold-line); }
.page-contact .co-offline__list b {
  display: inline-block;
  min-width: 4.6em;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--jade);
}
.page-contact .co-offline__callout {
  align-self: start;
  padding: 24px 22px 26px;
  background:
    linear-gradient(158deg, rgba(46, 196, 182, .16), rgba(11, 13, 16, 0) 62%),
    var(--ink-2);
  border: 1px solid var(--gold-line);
  border-top: 4px solid var(--jade);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-contact .co-offline__callout-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--jade-soft);
}
.page-contact .co-offline__callout p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .co-offline__callout .btn { align-self: flex-start; }

/* ---------- 收尾 ---------- */
.page-contact .co-end {
  display: grid;
  gap: 16px;
  padding-bottom: 0;
}
.page-contact .co-end__text {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .co-end__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* ---------- 返回顶部 ---------- */
.page-contact .to-top {
  position: fixed;
  right: clamp(14px, 3vw, 32px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 40;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  background: var(--gold);
  border: 0;
  cursor: pointer;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .28s var(--ease), transform .28s var(--ease), background-color .28s var(--ease);
}
.page-contact .to-top[data-visible] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.page-contact .to-top:hover,
.page-contact .to-top:focus-visible { background: var(--lava); }

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .co-mail__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }
  .page-contact .co-flow__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .co-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
    padding-bottom: 84px;
  }
  .page-contact .co-card:nth-child(2) { transform: translateY(40px); }
  .page-contact .co-card:nth-child(3) { transform: translateY(80px); }
  .page-contact .co-offline__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
  }
}

@media (min-width: 900px) {
  .page-contact .co-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 48px;
    align-items: end;
  }
  .page-contact .co-channels__head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 40px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .co-types__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .co-type:nth-child(1) { grid-column: span 5; }
  .page-contact .co-type:nth-child(2) { grid-column: span 4; }
  .page-contact .co-type:nth-child(3) { grid-column: span 3; }
  .page-contact .co-type:nth-child(4) {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 28px;
  }
  .page-contact .co-type:nth-child(4) .co-type__idx,
  .page-contact .co-type:nth-child(4) h3 {
    grid-column: 1 / -1;
  }
  .page-contact .co-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-contact .co-type:nth-child(1) { padding-right: 28px; }
  .page-contact .co-card { padding: 28px 26px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .co-type,
  .page-contact .co-card,
  .page-contact .to-top,
  .page-contact .breadcrumbs a {
    transition: none;
  }
  .page-contact .co-card:nth-child(2),
  .page-contact .co-card:nth-child(3) { transform: none; }
  .page-contact .to-top { transform: none; }
}