.page-contact {
  --ct-line-warm: rgba(244, 235, 221, .22);
  --ct-step-line: rgba(244, 235, 221, .26);
  background: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: 20px;
}
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
}
.page-contact .breadcrumb-list > li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-contact .breadcrumb-list > li + li::before {
  content: "/";
  color: rgba(244, 235, 221, .4);
}
.page-contact .breadcrumb-link {
  color: var(--apricot-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--paper-100);
  border-bottom-color: var(--apricot-300);
}
.page-contact .breadcrumb-current {
  color: rgba(244, 235, 221, .68);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  background: var(--green-900);
  color: var(--paper-100);
  padding-bottom: 46px;
  border-bottom: 1px solid var(--line-gold);
}
.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: 62%;
  height: 68%;
  background: linear-gradient(155deg, var(--green-700) 0%, var(--green-900) 72%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
}
.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: 0;
  width: 44%;
  height: 3px;
  background: var(--apricot-500);
}
.page-contact .ct-hero-grid {
  display: grid;
  gap: 32px;
  padding-top: 28px;
}
.page-contact .ct-hero .eyebrow {
  margin: 0;
  color: var(--apricot-300);
}
.page-contact .ct-hero-copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(2rem, 7.2vw, 4rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  max-width: 20ch;
}
.page-contact .ct-hero-copy .lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 235, 221, .8);
}
.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-contact .ct-hero-actions .btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
}

/* 快速联系卡 */
.page-contact .ct-hero-card {
  background: var(--paper-100);
  color: var(--ink-900);
  border: 1px solid var(--line-gold);
  border-top: 4px solid var(--apricot-500);
  padding: 20px 18px;
  box-shadow: 0 22px 46px rgba(0, 0, 0, .34);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}
.page-contact .ct-card-kicker {
  margin: 0;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--red-600);
}
.page-contact .ct-card-phone {
  margin: 2px 0 0;
  width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 6.4vw, 2rem);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--ink-900);
}
.page-contact .ct-card-note {
  margin: 0;
  width: 100%;
  font-size: 13px;
  color: var(--grey-green);
}
.page-contact .ct-card-rule {
  width: 100%;
  height: 1px;
  background: var(--line-ink);
  margin: 8px 0 6px;
}
.page-contact .ct-card-list {
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .ct-card-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--grey-green);
  margin-bottom: 2px;
}
.page-contact .ct-card-value {
  display: block;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-900);
  word-break: break-word;
}
.page-contact .ct-card-value.mono {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 复制按钮与状态 ---------- */
.page-contact .copy-btn {
  appearance: none;
  border: 1px solid var(--ink-900);
  background: transparent;
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 9px 14px;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--ink-900);
  color: var(--paper-100);
}
.page-contact .copy-btn[data-copied="true"] {
  background: var(--apricot-500);
  border-color: var(--apricot-500);
  color: var(--ink-900);
}
.page-contact .copy-live {
  display: block;
  min-height: 1em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--green-700);
}

/* ---------- 通用小节 ---------- */
.page-contact .section-head {
  display: grid;
  gap: 14px;
}
.page-contact .site-title,
.page-contact .section-title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -.005em;
  margin: 8px 0 0;
}
.page-contact .eyebrow {
  margin: 0;
  color: var(--red-600);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
}
.page-contact .ct-head-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
  max-width: 52ch;
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-tracks {
  padding: 46px 0 54px;
}
.page-contact .ct-tracks-head {
  gap: 14px;
}
.page-contact .ct-track-grid {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}
.page-contact .ct-index-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--grey-green);
}
.page-contact .ct-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}
.page-contact .ct-index-list li {
  border-bottom: 1px solid var(--line-ink-soft);
}
.page-contact .ct-index-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 10px 12px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-900);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background var(--ease), border-color var(--ease), padding-left var(--ease);
}
.page-contact .ct-index-link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grey-green);
  letter-spacing: .06em;
}
.page-contact .ct-index-link:hover,
.page-contact .ct-index-link:focus-visible {
  background: rgba(242, 138, 46, .14);
  border-left-color: var(--apricot-500);
  padding-left: 10px;
}
.page-contact .ct-index-media {
  margin: 22px 0 0;
}
.page-contact .media-frame {
  margin: 0;
  overflow: hidden;
  background: var(--paper-200);
  border: 1px solid var(--line-ink-soft);
}
.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .media-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--grey-green);
  padding: 10px 0 0;
}

.page-contact .ct-track {
  position: relative;
  border-top: 1px solid var(--line-ink);
  padding: 18px 0 22px;
  scroll-margin-top: 96px;
}
.page-contact .ct-track-body > .ct-track:first-child {
  border-top-width: 2px;
  border-top-color: var(--ink-900);
}
.page-contact .ct-track-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--red-600);
}
.page-contact .ct-track-title {
  margin: 4px 0 8px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(1.15rem, 3.6vw, 1.5rem);
  line-height: 1.2;
}
.page-contact .ct-track-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-700);
}
.page-contact .ct-track-meta {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
}
.page-contact .ct-track-meta > div {
  border-left: 2px solid var(--apricot-500);
  padding-left: 10px;
}
.page-contact .ct-track-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--grey-green);
  margin-bottom: 3px;
}
.page-contact .ct-track-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-900);
}

/* ---------- 官方渠道 ---------- */
.page-contact .ct-channels {
  background: var(--paper-200);
  border-top: 1px solid var(--line-ink);
  border-bottom: 1px solid var(--line-ink);
  padding: 46px 0 50px;
}
.page-contact .ct-channel-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  background: var(--paper-100);
  border: 1px solid var(--line-ink);
  border-top: 3px solid var(--green-900);
  padding: 18px;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.page-contact .ct-channel:first-child {
  border-top-color: var(--apricot-500);
}
.page-contact .ct-channel:hover {
  border-color: rgba(26, 23, 20, .34);
  box-shadow: 0 10px 24px rgba(26, 23, 20, .08);
}
.page-contact .ct-channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--grey-green);
}
.page-contact .ct-channel-value {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
  word-break: break-word;
}
.page-contact .ct-channel-value.mono {
  font-family: var(--font-mono);
  font-size: 14px;
}
.page-contact .ct-channel-for {
  margin: 0;
  flex: 1;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-700);
}
.page-contact .ct-channel-foot {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-700);
  border-left: 2px solid var(--green-800);
  padding-left: 12px;
  max-width: 70ch;
}

/* ---------- 合作流程 ---------- */
.page-contact .ct-flow-band {
  background: var(--green-900);
  color: var(--paper-100);
  padding: 46px 0 54px;
}
.page-contact .ct-eyebrow-light {
  color: var(--cyan-400);
}
.page-contact .ct-flow-band .section-title {
  color: var(--paper-100);
}
.page-contact .ct-head-note--light {
  color: rgba(244, 235, 221, .72);
}
.page-contact .ct-flow {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .ct-step {
  position: relative;
  border-left: 1px solid var(--ct-step-line);
  padding: 20px 0 22px 22px;
  transition: color var(--ease);
}
.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 26px;
  width: 9px;
  height: 9px;
  background: var(--green-900);
  border: 1px solid var(--apricot-500);
  transition: background var(--ease), transform var(--ease);
}
.page-contact .ct-step-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--apricot-300);
}
.page-contact .ct-step-title {
  margin: 0 0 6px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.25;
  color: var(--paper-100);
  transition: color var(--ease);
}
.page-contact .ct-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(244, 235, 221, .72);
  max-width: 34ch;
}
.page-contact .ct-step:hover::before,
.page-contact .ct-step:focus-within::before {
  background: var(--apricot-500);
}
.page-contact .ct-step:hover .ct-step-title {
  color: var(--apricot-300);
}

/* ---------- 准备材料 ---------- */
.page-contact .ct-prep {
  padding: 50px 0 54px;
}
.page-contact .ct-prep-grid {
  display: grid;
  gap: 28px;
}
.page-contact .ct-prep-lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-700);
  max-width: 56ch;
}
.page-contact .ct-prep-list {
  margin: 24px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}
.page-contact .ct-prep-list > div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-ink-soft);
}
.page-contact .ct-prep-term {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--red-600);
}
.page-contact .ct-prep-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-700);
}
.page-contact .ct-prep-media {
  margin: 0;
}

/* ---------- 分流入口 ---------- */
.page-contact .ct-support {
  padding: 0 0 56px;
  border-top: 1px solid var(--line-ink);
  padding-top: 46px;
}
.page-contact .ct-support-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}
.page-contact .ct-support-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line-ink);
  background: linear-gradient(180deg, rgba(231, 218, 198, .55), rgba(244, 235, 221, 0));
  color: var(--ink-900);
  text-decoration: none;
  transition: border-color var(--ease), transform var(--ease), background var(--ease);
}
.page-contact .ct-support-card:hover,
.page-contact .ct-support-card:focus-visible {
  border-color: var(--apricot-500);
  transform: translateY(-2px);
  background: var(--paper-200);
}
.page-contact .ct-support-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--grey-green);
}
.page-contact .ct-support-title {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.3;
}
.page-contact .ct-support-text {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ink-700);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-closer {
  background: var(--green-900);
  border-top: 1px solid var(--line-gold);
  padding: 52px 0;
  color: var(--paper-100);
}
.page-contact .ct-closer-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
.page-contact .ct-closer p {
  margin: 0;
  max-width: 36ch;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(1.2rem, 4.2vw, 1.7rem);
  line-height: 1.35;
  color: var(--paper-100);
}
.page-contact .ct-closer .btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-track-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .page-contact .ct-support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-closer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-hero {
    padding-bottom: 58px;
  }
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: end;
    gap: 46px;
    padding-top: 44px;
  }
  .page-contact .ct-hero-card {
    padding: 24px 22px;
  }
  .page-contact .ct-tracks-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, .62fr);
    align-items: end;
    gap: 40px;
  }
  .page-contact .ct-channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 34px;
  }
  .page-contact .ct-step {
    border-left: 0;
    border-top: 1px solid var(--ct-step-line);
    padding: 24px 22px 0 0;
  }
  .page-contact .ct-step:last-child {
    padding-right: 0;
  }
  .page-contact .ct-step::before {
    left: 0;
    top: -5px;
  }
  .page-contact .ct-step p {
    max-width: 30ch;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-track-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 48px;
  }
  .page-contact .ct-track-index {
    position: sticky;
    top: 88px;
    align-self: start;
  }
  .page-contact .ct-prep-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .ct-support-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .ct-index-link,
  .page-contact .ct-channel,
  .page-contact .ct-step,
  .page-contact .ct-step::before,
  .page-contact .ct-step-title,
  .page-contact .ct-support-card,
  .page-contact .breadcrumb-link {
    transition: none;
  }
  .page-contact .ct-support-card:hover,
  .page-contact .ct-support-card:focus-visible {
    transform: none;
  }
}