.page-contact {
  --co-gap: clamp(20px, 3vw, 34px);
  --co-shadow: 0 18px 36px rgba(0, 0, 0, 0.36);
  --co-shadow-soft: 0 10px 22px rgba(0, 0, 0, 0.24);
  color: var(--warm-white);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(22px, 3.5vw, 38px);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-mute);
}

.page-contact .breadcrumb a {
  color: var(--text-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}

/* ---------- 首屏 ---------- */
.page-contact .co-hero {
  position: relative;
  padding: clamp(30px, 5vw, 54px) 0 clamp(46px, 7vw, 86px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .co-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(72px, 14vw, 168px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(217, 169, 76, 0));
}

.page-contact .co-hero .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--text-mute);
}

.page-contact .co-hero h1 {
  margin: 18px 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--warm-white);
}

.page-contact .co-hl {
  position: relative;
  color: var(--gold);
}

.page-contact .co-hero__lead {
  margin: 26px 0 0;
  max-width: 42em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--text-soft);
}

.page-contact .co-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  margin-top: clamp(30px, 4vw, 46px);
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .co-fact {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-contact .co-fact strong {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-contact .co-fact span {
  font-size: 13px;
  color: var(--text-mute);
}

/* ---------- 章节通用 ---------- */
.page-contact .section {
  padding: clamp(52px, 7.5vw, 100px) 0;
}

.page-contact .section-head {
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-contact .section-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-contact .section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.28;
  color: var(--warm-white);
}

.page-contact .side-note {
  display: inline-block;
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-mute);
}

.page-contact .prose {
  margin: 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-contact .prose a {
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color 180ms var(--ease);
}

.page-contact .prose a:hover,
.page-contact .prose a:focus-visible {
  border-bottom-color: var(--gold-lit);
}

/* ---------- 合作方向 ---------- */
.page-contact .co-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--co-gap);
  align-items: start;
}

.page-contact .co-cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .co-card {
  position: relative;
  padding: 30px 22px 22px;
  outline: none;
  transition: transform 220ms var(--ease);
}

.page-contact .co-card:hover,
.page-contact .co-card:focus-visible {
  transform: translateY(-4px);
}

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

.page-contact .co-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.4;
  color: var(--gold-lit);
}

.page-contact .co-card > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .co-card__more {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  overflow: hidden;
}

.page-contact .co-card__more p {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-contact .co-card__more p:last-child {
  margin-bottom: 0;
}

@media (min-width: 900px) and (hover: hover) {
  .page-contact .co-card__more {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    opacity: 0;
    transition: max-height 260ms var(--ease), opacity 200ms var(--ease),
      margin-top 260ms var(--ease), padding-top 260ms var(--ease),
      border-color 260ms var(--ease);
  }

  .page-contact .co-card:hover .co-card__more,
  .page-contact .co-card:focus-visible .co-card__more,
  .page-contact .co-card:focus .co-card__more {
    max-height: 220px;
    margin-top: 14px;
    padding-top: 14px;
    border-top-color: var(--line-soft);
    opacity: 1;
  }
}

.page-contact .co-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.page-contact .co-aside__note {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-contact .co-aside__note a {
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .co-aside__note a:hover,
.page-contact .co-aside__note a:focus-visible {
  border-bottom-color: var(--gold-lit);
}

@media (min-width: 900px) {
  .page-contact .co-split {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .co-cards .co-card:nth-child(2) {
    margin-left: 14px;
  }

  .page-contact .co-cards .co-card:nth-child(3) {
    margin-left: 28px;
  }
}

/* ---------- 对接流程 ---------- */
.page-contact .co-flow-wrap {
  padding: clamp(24px, 4vw, 44px) clamp(20px, 3.4vw, 40px);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(58, 46, 99, 0.42), rgba(10, 23, 48, 0) 62%),
    linear-gradient(160deg, rgba(15, 46, 51, 0.7), rgba(10, 23, 48, 0.62));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--co-shadow-soft);
}

.page-contact .co-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .co-step {
  position: relative;
  padding-top: 62px;
  outline: none;
}

.page-contact .co-step__ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: rgba(10, 23, 48, 0.9);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  transition: background 200ms var(--ease), color 200ms var(--ease),
    box-shadow 200ms var(--ease);
}

.page-contact .co-step:hover .co-step__ring,
.page-contact .co-step:focus-visible .co-step__ring,
.page-contact .co-step:focus .co-step__ring {
  background: var(--gold);
  color: var(--ink-blue);
  box-shadow: 0 0 0 6px rgba(217, 169, 76, 0.14);
}

.page-contact .co-step:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 8px;
  border-radius: var(--radius);
}

.page-contact .co-step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--warm-white);
}

.page-contact .co-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .co-step__time {
  display: inline-block;
  margin-top: 14px;
  padding-top: 8px;
  border-top: 1px solid rgba(47, 168, 142, 0.32);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--jade);
}

@media (min-width: 760px) {
  .page-contact .co-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px 30px;
  }
}

@media (min-width: 1080px) {
  .page-contact .co-flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }

  .page-contact .co-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 23px;
    left: 58px;
    right: 6px;
    height: 1px;
    background: linear-gradient(90deg, var(--gold-line), rgba(138, 107, 46, 0));
  }
}

/* ---------- 准备清单 ---------- */
.page-contact .co-prep {
  list-style: none;
  counter-reset: prep;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .co-prep li {
  counter-increment: prep;
  position: relative;
  padding: 22px 22px 22px 66px;
  background: rgba(232, 223, 204, 0.045);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .co-prep li:hover {
  border-color: var(--line-strong);
  background: rgba(232, 223, 204, 0.075);
}

.page-contact .co-prep li::before {
  content: "0" counter(prep);
  position: absolute;
  left: 22px;
  top: 21px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-prep strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--warm-white);
}

.page-contact .co-prep p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

@media (min-width: 760px) {
  .page-contact .co-prep {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

/* ---------- 联系方式 ---------- */
.page-contact .co-strip {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--co-shadow);
}

.page-contact .co-strip__media {
  position: relative;
  min-height: 210px;
  background: var(--ink-blue);
}

.page-contact .co-strip__media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .co-strip__body {
  padding: clamp(24px, 4vw, 46px);
  color: var(--ink-blue);
}

.page-contact .co-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .co-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .co-ico {
  display: block;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  color: var(--gold-line);
}

.page-contact .co-ico svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .co-list__label {
  display: block;
  margin-bottom: 5px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(10, 23, 48, 0.55);
}

.page-contact .co-list__value {
  display: block;
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink-blue);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .co-copy {
  margin-top: 12px;
  padding: 6px 15px;
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-blue);
  background: transparent;
  border: 1px solid rgba(10, 23, 48, 0.35);
  border-radius: 999px;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease),
    border-color 180ms var(--ease);
}

.page-contact .co-copy:hover {
  background: var(--ink-blue);
  border-color: var(--ink-blue);
  color: var(--paper);
}

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

.page-contact .co-strip__note {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(10, 23, 48, 0.16);
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(10, 23, 48, 0.72);
}

@media (min-width: 620px) {
  .page-contact .co-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 28px;
  }
}

@media (min-width: 860px) {
  .page-contact .co-strip {
    grid-template-columns: 4fr 8fr;
  }
}

/* ---------- 常见问题 ---------- */
.page-contact .co-faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .co-faq-item {
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink-blue);
  transition: background 200ms var(--ease);
}

.page-contact .co-faq-item:hover {
  background: rgba(15, 46, 51, 0.34);
}

.page-contact .co-faq-item h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--gold-lit);
}

.page-contact .co-faq-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--text-soft);
}

.page-contact .co-faq-item a {
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .co-faq-item a:hover,
.page-contact .co-faq-item a:focus-visible {
  border-bottom-color: var(--gold-lit);
}

@media (min-width: 820px) {
  .page-contact .co-faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 收尾留白 ---------- */
.page-contact .section:last-of-type {
  padding-bottom: clamp(48px, 7vw, 92px);
}
<<<END>>>