.page-contact {
  --co-gap: clamp(56px, 8vw, 104px);
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

.page-contact :focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 首屏框景 ---------- */
.page-contact .co-hero {
  padding-top: clamp(96px, 15vw, 156px);
  padding-bottom: var(--co-gap);
}

.page-contact .co-hero .crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .co-hero-frame {
  position: relative;
  border: 1px solid var(--line);
  padding: clamp(30px, 5vw, 62px) clamp(22px, 4.2vw, 58px);
  background:
    radial-gradient(130% 100% at 4% -10%, rgba(232, 178, 58, 0.12), transparent 58%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
}

.page-contact .co-hero-frame::before,
.page-contact .co-hero-frame::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid var(--gold);
  pointer-events: none;
}

.page-contact .co-hero-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .co-hero-frame::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .co-eyebrow {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .co-eyebrow .num {
  color: var(--gold);
  margin-right: 10px;
}

.page-contact .co-hero h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 7.2vw, 60px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--cream);
  max-width: 17em;
}

.page-contact .co-hero .lede {
  max-width: var(--read);
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.9;
  color: rgba(245, 231, 198, 0.8);
}

.page-contact .co-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 区块通用头部 ---------- */
.page-contact .co-sec-head {
  max-width: 44em;
  margin: 0 0 clamp(28px, 4.6vw, 52px);
}

.page-contact .co-sec-index {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .co-sec-index .num {
  color: var(--gold);
  margin-right: 10px;
}

.page-contact .co-sec-head h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(25px, 4.8vw, 42px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .co-sec-head .prose {
  margin: 0;
  max-width: var(--read);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(245, 231, 198, 0.76);
}

/* ---------- 三类合作方式 ---------- */
.page-contact .co-paths {
  padding: var(--co-gap) 0;
}

.page-contact .co-path-grid {
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-contact .co-path {
  padding: clamp(22px, 3vw, 30px);
}

.page-contact .co-path-tag {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .co-path-tag b {
  color: var(--gold);
  margin-right: 8px;
  font-weight: 700;
}

.page-contact .co-path h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .co-path p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 231, 198, 0.74);
}

.page-contact .co-path .tick-list {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .co-more {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  max-width: 54em;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .co-more a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 178, 58, 0.4);
}

.page-contact .co-more a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 检索接入流程 ---------- */
.page-contact .co-intake {
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-contact .co-flow-media {
  margin: 0 0 clamp(28px, 4vw, 46px);
}

.page-contact .co-flow-media img,
.page-contact .co-channel-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .co-intake-layout {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-contact .co-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .co-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 30px;
}

.page-contact .co-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 50px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, rgba(110, 90, 46, 0.9), rgba(110, 90, 46, 0.04));
}

.page-contact .co-step:last-child::before {
  display: none;
}

.page-contact .co-step-num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: rgba(30, 25, 19, 0.9);
  color: var(--gold);
  font-size: 13px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .co-step:hover .co-step-num,
.page-contact .co-step:focus-within .co-step-num {
  border-color: var(--gold);
  background: rgba(232, 178, 58, 0.1);
}

.page-contact .co-step-body {
  min-width: 0;
}

.page-contact .co-step h3 {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--cream);
}

.page-contact .co-step p {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 231, 198, 0.74);
}

.page-contact .co-step p.co-step-eta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  opacity: 0.68;
  transition: opacity 0.3s var(--ease), color 0.3s var(--ease);
}

.page-contact .co-step:hover p.co-step-eta,
.page-contact .co-step:focus-within p.co-step-eta {
  opacity: 1;
  color: var(--gold);
}

/* 资料卡 */
.page-contact .co-dossier {
  padding: clamp(22px, 3vw, 30px);
}

.page-contact .co-dossier-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.3vw, 22px);
  line-height: 1.4;
  color: var(--cream);
}

.page-contact .co-dl {
  margin: 0 0 18px;
  display: grid;
  gap: 16px;
}

.page-contact .co-dl-row {
  padding-top: 14px;
  border-top: 1px solid rgba(110, 90, 46, 0.4);
}

.page-contact .co-dl-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .co-dl dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .co-dl dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .co-dl-value {
  display: block;
}

.page-contact .co-copy {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
}

.page-contact .co-copy[data-copy-state="done"] {
  color: var(--ok);
  border-color: var(--ok);
}

.page-contact .co-dl-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 反馈渠道 ---------- */
.page-contact .co-channels {
  padding: var(--co-gap) 0;
}

.page-contact .co-channel-media {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-contact .co-channel-list {
  display: grid;
}

.page-contact .co-channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid rgba(110, 90, 46, 0.42);
}

.page-contact .co-channel:last-child {
  border-bottom: 1px solid rgba(110, 90, 46, 0.42);
}

.page-contact .co-channel-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .co-channel-body {
  min-width: 0;
}

.page-contact .co-channel h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.4;
  color: var(--cream);
}

.page-contact .co-channel p {
  margin: 0 0 10px;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 231, 198, 0.74);
}

.page-contact .co-channel p.co-channel-need {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .co-channel a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 178, 58, 0.4);
}

.page-contact .co-channel a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 服务时间 ---------- */
.page-contact .co-hours {
  padding: clamp(52px, 7vw, 92px) 0;
}

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

.page-contact .co-hour {
  padding-top: 20px;
  border-top: 2px solid var(--line);
}

.page-contact .co-hour-time {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-contact .co-hour h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--cream);
}

.page-contact .co-hour p {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 231, 198, 0.72);
}

.page-contact .co-hour a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 178, 58, 0.4);
}

.page-contact .co-hour a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 常见问题 ---------- */
.page-contact .co-faq {
  padding: var(--co-gap) 0 clamp(56px, 8vw, 104px);
}

.page-contact .co-faq-list {
  border-top: 1px solid rgba(110, 90, 46, 0.42);
}

.page-contact .co-faq-item {
  border-bottom: 1px solid rgba(110, 90, 46, 0.42);
}

.page-contact .co-faq-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 24px) 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--cream);
}

.page-contact .co-faq-q {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  transition: color 0.25s var(--ease);
}

.page-contact .co-faq-head:hover .co-faq-q,
.page-contact .co-faq-head[aria-expanded="true"] .co-faq-q {
  color: var(--gold);
}

.page-contact .co-faq-body {
  padding: 0 0 clamp(20px, 3vw, 28px) 32px;
}

.page-contact .co-faq-body p {
  margin: 0;
  max-width: 48em;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(245, 231, 198, 0.76);
}

/* ---------- 页尾行动 ---------- */
.page-contact .co-tail {
  padding: 0 0 clamp(64px, 9vw, 112px);
}

.page-contact .co-tail-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(26px, 4vw, 40px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(201, 106, 30, 0.14), transparent 60%),
    var(--ink-2);
}

.page-contact .co-tail-text {
  margin: 0;
  max-width: 46em;
  font-size: clamp(15.5px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--cream);
}

.page-contact .co-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .co-channel {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 800px) {
  .page-contact .co-hours-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .co-hour:nth-child(2) {
    margin-top: 22px;
  }
}

@media (min-width: 860px) {
  .page-contact .co-tail-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .page-contact .co-tail-text {
    flex: 1 1 auto;
  }

  .page-contact .co-tail-actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 940px) {
  .page-contact .co-path-grid {
    grid-template-columns: 1.08fr 0.94fr 1.04fr;
    gap: 22px;
  }

  .page-contact .co-path:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .co-path:nth-child(3) {
    margin-top: 16px;
  }
}

@media (min-width: 960px) {
  .page-contact .co-intake-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.85fr);
    align-items: start;
  }

  .page-contact .co-dossier {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}