/* ===== 商务合作页 ===== */
.page-contact {
  --contact-label: #4A605A;
  --contact-pad: clamp(56px, 7vw, 104px);
  background: var(--ink-900);
  color: var(--paper);
}

.page-contact .ps-section {
  padding-top: var(--contact-pad);
  padding-bottom: var(--contact-pad);
}

/* --- 首屏 --- */
.contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(36px, 5vw, 64px);
}

.contact-hero::before {
  content: "";
  position: absolute;
  inset: -12% -6%;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(143, 168, 160, 0.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(143, 168, 160, 0.13) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 92% at 12% 18%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 92% at 12% 18%, #000 0%, transparent 72%);
}

.contact-crumbs {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.contact-crumbs__sep {
  color: var(--mist);
  opacity: 0.7;
}

.contact-hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.contact-hero__lead {
  display: grid;
  gap: 18px;
  align-content: start;
}

.contact-hero__lead .ps-lede {
  max-width: 60ch;
  color: rgba(244, 246, 241, 0.82);
}

.contact-hero__actions {
  margin-top: 4px;
}

.contact-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.contact-jump a {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.contact-jump a:hover,
.contact-jump a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.contact-hero__aside {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 20px;
  align-content: start;
}

.contact-stat {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0 5px;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
}

.contact-stat__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  line-height: 1.05;
}

.contact-stat__unit {
  font-size: 12px;
  color: var(--mist);
}

.contact-stat__label {
  grid-column: 1 / -1;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* --- 章节标题 --- */
.contact-section__head {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.contact-section__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.contact-directions .ps-eyebrow,
.contact-channels .ps-eyebrow {
  color: var(--contact-label);
}

.contact-directions .contact-section__lede,
.contact-channels .contact-section__lede {
  color: var(--contact-label);
}

/* --- 合作方向 --- */
.contact-directions {
  background: var(--paper);
  color: var(--text-dark);
}

.contact-directions__list {
  border-top: 1px solid var(--line);
}

.contact-direction {
  display: grid;
  gap: 12px;
  padding: clamp(24px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--line);
}

.contact-direction__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--contact-label);
}

.contact-direction__head {
  display: grid;
  gap: 6px;
}

.contact-direction__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-dark);
}

.contact-direction__who {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--contact-label);
}

.contact-direction__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #1E332C;
  max-width: 68ch;
}

/* --- 可对接能力 --- */
.contact-caps__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.contact-caps__tablewrap {
  min-width: 0;
  overflow-x: auto;
}

.contact-caps__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 0;
}

.contact-caps__table th,
.contact-caps__table td {
  text-align: left;
  vertical-align: top;
  padding: 18px 16px;
  border-bottom: 1px solid var(--line-dark);
}

.contact-caps__table th {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  padding-top: 0;
}

.contact-caps__table td {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 246, 241, 0.86);
}

.contact-caps__table td:first-child {
  color: var(--cyan);
  font-weight: 600;
  white-space: nowrap;
}

.contact-caps__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--ink-800);
}

.contact-caps__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.contact-caps__figure figcaption {
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--line-dark);
}

/* --- 合作流程 --- */
.contact-process {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.contact-process__banner {
  margin: 0 0 clamp(32px, 4vw, 52px);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.contact-process__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  opacity: 0.72;
}

.contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.contact-step {
  position: relative;
  padding: 22px 0 22px 28px;
  border-left: 1px solid var(--line-dark);
  transition: border-color 0.25s var(--ease);
}

.contact-step::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 26px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-800);
  box-shadow: inset 0 0 0 1px var(--cyan);
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.contact-step:hover {
  border-left-color: var(--line-cyan);
}

.contact-step:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(60, 232, 192, 0.75);
}

.contact-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.contact-step__title {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.contact-step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.contact-step__time {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
}

/* --- 联系渠道 --- */
.contact-channels {
  background: var(--paper);
  color: var(--text-dark);
}

.contact-channels__list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.contact-channel {
  display: grid;
  gap: 10px;
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}

.contact-channel__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--contact-label);
}

.contact-channel__value {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.2vw, 30px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--text-dark);
  padding-bottom: 4px;
  border-bottom: 2px solid var(--cyan);
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.contact-channel__value--plain {
  border-bottom-color: var(--line);
  letter-spacing: 0.02em;
}

a.contact-channel:hover .contact-channel__value,
a.contact-channel:focus-visible .contact-channel__value {
  color: #0B6B58;
  border-bottom-color: var(--orange);
}

.contact-channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--contact-label);
  max-width: 60ch;
}

.contact-channels__foot {
  margin: clamp(24px, 3vw, 36px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--contact-label);
}

.contact-channels__foot a {
  color: #0B6B58;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
}

.contact-channels__foot a:hover,
.contact-channels__foot a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* --- 常见合作问题 --- */
.contact-faq {
  background: var(--ink-900);
}

.contact-faq__list {
  border-top: 1px solid var(--line-dark);
}

.contact-faq__item {
  border-bottom: 1px solid var(--line-dark);
}

.contact-faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.contact-faq__q:hover {
  color: var(--cyan);
}

.contact-faq__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.24s var(--ease);
}

.contact-faq__q[aria-expanded="true"] .contact-faq__sign {
  transform: rotate(45deg);
}

.contact-faq__panel {
  padding: 0 0 22px;
}

.contact-faq__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 72ch;
}

.contact-faq__foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-faq__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 1px;
}

.contact-faq__foot a:hover,
.contact-faq__foot a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* --- 断点 --- */
@media (max-width: 719px) {
  .contact-caps__table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .contact-caps__table tr {
    display: block;
    padding: 18px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .contact-caps__table th,
  .contact-caps__table td {
    display: block;
    border: 0;
    padding: 0;
  }

  .contact-caps__table td {
    margin-top: 8px;
  }

  .contact-caps__table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 3px;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mist);
    opacity: 0.75;
  }

  .contact-caps__table td:first-child {
    white-space: normal;
  }

  .contact-caps__table tbody tr:last-child {
    border-bottom: 0;
  }
}

@media (min-width: 720px) {
  .contact-step__title {
    font-size: 18px;
  }
}

@media (min-width: 900px) {
  .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(40px, 5vw, 72px);
  }

  .contact-hero__aside {
    padding-bottom: 6px;
  }

  .contact-direction {
    grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 12px 28px;
    align-items: start;
  }

  .contact-direction__num {
    padding-top: 8px;
  }

  .contact-direction__head {
    gap: 8px;
  }

  .contact-caps__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .contact-step {
    padding: 34px 26px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-dark);
  }

  .contact-step::before {
    left: 0;
    top: -4.5px;
  }

  .contact-step:hover {
    border-left-color: transparent;
    border-top-color: var(--line-cyan);
  }

  .contact-step:last-child {
    padding-right: 0;
  }
}

@media (min-width: 1000px) {
  .contact-channels__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 44px;
    border-top: 0;
  }

  .contact-channel {
    align-content: start;
    padding: 24px 0 8px;
    border-bottom: 0;
    border-top: 1px solid var(--line);
  }
}

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