.page-contact {
  --co-jade: #1E9E86;
  --co-jade-soft: rgba(30, 158, 134, 0.14);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .co-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(26px, 5vw, 48px);
  padding-bottom: clamp(56px, 9vw, 108px);
  background:
    radial-gradient(120% 92% at 90% -14%, rgba(255, 78, 31, 0.24), transparent 62%),
    radial-gradient(80% 70% at -10% 100%, rgba(34, 211, 224, 0.14), transparent 60%),
    linear-gradient(158deg, #0B0E13 0%, #101725 56%, #0B0E13 100%);
}

.page-contact .co-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(247, 242, 234, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 242, 234, 0.05) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 82%);
  pointer-events: none;
}

.page-contact .co-hero .shell {
  position: relative;
  z-index: 1;
}

.page-contact .co-hero .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 40px);
  color: var(--slate);
}

.page-contact .co-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
  grid-template-columns: 1fr;
}

.page-contact .co-hero__lead h1 {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(33px, 6.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--sand);
  margin: 14px 0 0;
  max-width: 14em;
}

.page-contact .co-hero__lead .lede {
  margin-top: clamp(18px, 3vw, 26px);
  max-width: 60ch;
  color: var(--on-dark);
}

.page-contact .co-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .co-hero__side {
  border: 1px solid rgba(34, 211, 224, 0.24);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(150deg, rgba(34, 211, 224, 0.12), rgba(21, 26, 35, 0.72));
}

.page-contact .co-hero__side > .micro {
  color: var(--cyan);
}

.page-contact .co-hero__stats {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .co-hero__stats li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .co-hero__stats li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .co-hero__stats .num {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vcw, 46px);
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--flame);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-hero__statlabel {
  font-size: 14px;
  line-height: 1.65;
  color: var(--on-dark);
}

/* ---------- 能一起做什么 ---------- */

.page-contact .co-directions__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  grid-template-columns: 1fr;
  margin-top: clamp(32px, 5vw, 54px);
}

.page-contact .co-media {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid var(--line-light);
  position: relative;
}

.page-contact .co-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .co-media__cap {
  margin: 0;
  padding: 14px 20px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--slate);
  background: var(--ink);
}

.page-contact .co-dir {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px) clamp(20px, 2.6vw, 28px) clamp(22px, 3vw, 30px);
  background: #FFFFFF;
  border: 1px solid var(--line-light);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .co-dir::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--flame);
}

.page-contact .co-dir--jade::before {
  background: var(--co-jade);
}

.page-contact .co-dir--wine::before {
  background: var(--wine);
}

.page-contact .co-dir:hover,
.page-contact .co-dir:focus-within {
  border-color: rgba(34, 211, 224, 0.6);
  box-shadow: 0 18px 40px -26px rgba(11, 14, 19, 0.5);
}

.page-contact .co-dir__index {
  color: var(--slate);
  margin: 0;
  display: block;
}

.page-contact .co-dir__title {
  margin: 12px 0 0;
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .co-dir__body {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .co-dir__fit {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-light);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .co-dir__fit .micro {
  display: block;
  margin-bottom: 5px;
  color: var(--flame);
}

.page-contact .co-dir--jade .co-dir__fit .micro {
  color: var(--co-jade);
}

.page-contact .co-dir--wine .co-dir__fit .micro {
  color: var(--wine);
}

.page-contact .co-dir__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

/* ---------- 合作怎么推进 ---------- */

.page-contact .co-flow__steps {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-contact .co-flow__step {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--radius-lg);
  background: rgba(11, 14, 19, 0.44);
  border: 1px solid rgba(247, 242, 234, 0.14);
  transition: border-color 200ms var(--ease);
}

.page-contact .co-flow__step:hover {
  border-color: rgba(34, 211, 224, 0.5);
}

.page-contact .co-flow__dot {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--flame);
  color: var(--void);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact .co-flow__step h3 {
  margin: 18px 0 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--sand);
}

.page-contact .co-flow__step p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-dark);
}

.page-contact .co-flow__meta {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 已经在一起做的 ---------- */

.page-contact .co-partners__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  grid-template-columns: 1fr;
}

.page-contact .co-partners__text > p:not(.kicker):not(.section-title) {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-contact .co-partners__text .section-title {
  margin-bottom: 18px;
}

.page-contact .co-partners__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .co-partners__list li {
  padding: 16px 18px 16px 22px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--flame);
  background: rgba(11, 14, 19, 0.045);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .co-partners__list li:nth-child(2) {
  border-left-color: var(--indigo);
}

.page-contact .co-partners__list li:nth-child(3) {
  border-left-color: var(--wine);
}

.page-contact .co-partners__list strong {
  color: var(--ink);
  font-weight: 800;
}

.page-contact .co-partners__tail {
  margin-top: 24px;
}

.page-contact .co-partners__link {
  margin-top: 20px;
  display: inline-flex;
}

.page-contact .co-partners__media {
  margin: 0;
}

.page-contact .co-partners__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

/* ---------- 常见对接疑问 ---------- */

.page-contact .co-faq__list {
  display: grid;
  gap: 12px;
  margin-top: clamp(30px, 4vw, 48px);
}

.page-contact .co-faq__item {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
  background: rgba(11, 14, 19, 0.5);
  padding: 0 clamp(18px, 2.4vw, 26px);
  transition: border-color 200ms var(--ease);
}

.page-contact .co-faq__item[open] {
  border-color: rgba(34, 211, 224, 0.48);
}

.page-contact .co-faq__item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--sand);
}

.page-contact .co-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .co-faq__item summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1;
  color: var(--flame);
}

.page-contact .co-faq__item[open] summary::before {
  content: "–";
  color: var(--cyan);
}

.page-contact .co-faq__body {
  padding-bottom: 22px;
  max-width: 70ch;
}

.page-contact .co-faq__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--on-dark);
}

/* ---------- 联系与到访 ---------- */

.page-contact .co-contact {
  background:
    radial-gradient(110% 100% at 8% 0%, rgba(255, 78, 31, 0.16), transparent 58%),
    linear-gradient(180deg, #0B0E13 0%, #0E1219 100%);
}

.page-contact .co-contact__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  grid-template-columns: 1fr;
}

.page-contact .co-contact__intro .section-title {
  max-width: 16em;
}

.page-contact .co-contact__intro .lede {
  margin-top: 18px;
  color: var(--on-dark);
  max-width: 52ch;
}

.page-contact .co-contact__hint {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
  max-width: 52ch;
}

.page-contact .co-contact__card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(34, 211, 224, 0.24);
  padding: clamp(22px, 3.6vw, 40px);
  display: grid;
  gap: 22px;
  background:
    radial-gradient(92% 120% at 100% 0%, rgba(255, 78, 31, 0.18), transparent 62%),
    linear-gradient(150deg, #151A23 0%, #0B0E13 100%);
}

.page-contact .co-contact__row {
  display: grid;
  gap: 8px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .co-contact__row:last-of-type {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .co-contact__row > .micro {
  color: var(--cyan);
}

.page-contact .co-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.2vw, 30px);
  font-weight: 600;
  letter-spacing: 0.015em;
  line-height: 1.3;
  color: var(--sand);
  word-break: break-word;
}

.page-contact .co-contact__value--sm {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.75;
  color: var(--on-dark);
}

.page-contact .co-contact__row .copy-btn {
  justify-self: start;
  margin-top: 4px;
}

.page-contact .co-contact__note {
  margin: 0;
  padding-top: 20px;
  border-top: 1px dashed var(--line-dark);
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .co-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .co-partners__list {
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .co-directions__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .co-directions__grid > .co-media {
    grid-column: 1 / -1;
  }

  .page-contact .co-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .co-flow__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 49px;
    right: -26px;
    width: 26px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), rgba(34, 211, 224, 0.12));
  }
}

@media (min-width: 960px) {
  .page-contact .co-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(290px, 0.9fr);
    align-items: end;
  }

  .page-contact .co-partners__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-contact .co-contact__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-contact .co-hero__stats li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-contact .co-flow__step {
    padding: 22px 18px 20px;
  }
}
<<<END>>>