.page-contact {
  --cs-gap: 16px;
  --cs-cut: 26px;
  overflow-x: clip;
}

/* ---------- 页头 ---------- */
.page-contact .cs-hero {
  padding-top: clamp(26px, 5vw, 52px);
  padding-bottom: clamp(46px, 7vw, 84px);
}

.page-contact .crumb {
  margin: 0 0 clamp(26px, 4vw, 42px);
}

.page-contact .cs-hero-grid {
  align-items: end;
  row-gap: 22px;
}

.page-contact .cs-hero-main .eyebrow {
  margin: 0 0 16px;
}

.page-contact .cs-title {
  margin: 0;
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.page-contact .cs-title em {
  font-style: normal;
  color: var(--lime);
}

.page-contact .cs-hero-aside {
  padding-bottom: 6px;
}

.page-contact .cs-hero-aside .lede {
  margin: 0;
}

.page-contact .cs-hero-media {
  margin: clamp(28px, 5vw, 58px) 0 0;
  position: relative;
}

.page-contact .cs-hero-media::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0.5;
}

/* ---------- 联系方式方格 ---------- */
.page-contact .cs-sec-head {
  max-width: 640px;
}

.page-contact .cs-sec-head .eyebrow {
  margin: 0 0 14px;
}

.page-contact .cs-sec-head .section-title {
  margin: 0;
}

.page-contact .cs-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cs-gap);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .cs-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 24px;
  position: relative;
  border-top: 1px solid var(--line);
}

.page-contact .cs-channel::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 46px;
  height: 1px;
  background: var(--blue);
  opacity: 0.55;
}

.page-contact .cs-channel-idx {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue);
}

.page-contact .cs-channel-title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--fog);
  letter-spacing: -0.01em;
}

.page-contact .cs-channel-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--stone);
}

.page-contact .cs-channel-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
  opacity: 0.86;
}

.page-contact .cs-channel-value {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--lime);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-top: 1px solid var(--line-soft);
  transition: color 0.2s var(--ease);
}

.page-contact .cs-channel-value:hover {
  color: var(--lime-soft);
}

.page-contact .cs-channel-value:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .cs-channel-value--text {
  color: var(--fog);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- 咨询方向分段切换 ---------- */
.page-contact .cs-ask-grid {
  row-gap: 28px;
  align-items: start;
}

.page-contact .cs-ask-aside .eyebrow {
  margin: 0 0 14px;
}

.page-contact .cs-ask-aside .section-title {
  margin: 0 0 14px;
}

.page-contact .cs-ask-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .cs-seg {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-contact .cs-seg-btn {
  flex: 0 0 auto;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 10px 18px;
  color: var(--stone);
  background: transparent;
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .cs-seg-btn:hover {
  color: var(--fog);
  border-color: var(--blue);
}

.page-contact .cs-seg-btn[aria-selected="true"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .cs-seg-btn:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .cs-tabpanel {
  margin-top: 22px;
  padding: 26px 22px;
  background: var(--graphite);
  border-left: 2px solid var(--lime);
  clip-path: polygon(0 0, calc(100% - var(--cs-cut)) 0, 100% var(--cs-cut), 100% 100%, 0 100%);
}

.page-contact .cs-tabpanel[hidden] {
  display: none;
}

.page-contact .cs-ask-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .cs-ask-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .cs-ask-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .cs-ask-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.page-contact .cs-ask-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .cs-prep-grid {
  row-gap: 34px;
  align-items: start;
}

.page-contact .cs-prep-figure {
  margin: 0;
}

.page-contact .cs-prep-figure .media {
  margin: 0;
}

.page-contact .cs-prep-body .eyebrow {
  margin: 0 0 14px;
}

.page-contact .cs-prep-body .section-title {
  margin: 0;
}

.page-contact .cs-prep-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  counter-reset: prep;
}

.page-contact .cs-prep-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .cs-prep-item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .cs-prep-num {
  font-size: 18px;
  line-height: 1.45;
  color: var(--lime);
}

.page-contact .cs-prep-h {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--fog);
  letter-spacing: -0.01em;
}

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

/* ---------- 内容合作 ---------- */
.page-contact .cs-coop-head {
  max-width: 720px;
}

.page-contact .cs-coop-head .eyebrow {
  margin: 0 0 14px;
}

.page-contact .cs-coop-head .section-title {
  margin: 0 0 16px;
}

.page-contact .cs-coop-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--fog);
}

.page-contact .cs-coop-cols {
  display: grid;
  gap: var(--cs-gap);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .cs-coop-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
}

.page-contact .cs-coop-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--fog);
}

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

/* ---------- 收束行动区 ---------- */
.page-contact .cs-close-band {
  display: grid;
  gap: 26px;
  padding: 32px 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(63, 125, 255, 0.2), transparent 58%),
    radial-gradient(90% 120% at 0% 100%, rgba(182, 255, 59, 0.12), transparent 62%),
    var(--graphite);
  clip-path: polygon(0 0, calc(100% - 40px) 0, 100% 40px, 100% 100%, 0 100%);
}

.page-contact .cs-close-lead .eyebrow {
  margin: 0 0 14px;
}

.page-contact .cs-close-lead .section-title {
  margin: 0 0 14px;
}

.page-contact .cs-close-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--fog);
  max-width: 62ch;
}

.page-contact .cs-close-actions {
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.page-contact .cs-close-actions > .btn {
  min-height: 46px;
  padding-inline: 24px;
  text-decoration: none;
}

.page-contact .cs-close .slice {
  margin: clamp(30px, 5vw, 48px) 0 22px;
}

.page-contact .cs-close-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-contact .cs-close-links .link {
  font-size: 14px;
}

/* ---------- 断点 ---------- */
@media (min-width: 680px) {
  .page-contact .cs-channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-contact .cs-ask-list li {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-contact .cs-coop-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .cs-close-band {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
    padding: 46px 42px;
  }
}

@media (min-width: 1060px) {
  .page-contact .cs-channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-bottom: 22px;
  }

  .page-contact .cs-channel:nth-child(2),
  .page-contact .cs-channel:nth-child(4) {
    transform: translateY(22px);
  }

  .page-contact .cs-prep-grid {
    row-gap: 0;
  }

  .page-contact .cs-prep-figure {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cs-channel,
  .page-contact .cs-seg-btn,
  .page-contact .cs-channel-value {
    transition: none;
    transform: none;
  }
}