/* ================= 商务合作页 ================= */
.page-contact {
  --co-cut: 18px;
  --co-gap: 20px;
  display: block;
  padding-bottom: 72px;
}

.page-contact .co-hero {
  padding: 26px 0 12px;
}

.page-contact .co-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 22px;
}

.page-contact .co-hero__eyebrow {
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

.page-contact .co-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 8vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 12px 0 0;
}

.page-contact .co-hero__hl {
  color: var(--cyan);
  display: inline-block;
}

.page-contact .co-hero__lede {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .co-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .co-hero__panel {
  position: relative;
  padding: 22px 20px 18px;
  background: linear-gradient(152deg, rgba(11, 59, 50, .95), rgba(14, 20, 18, .96) 72%);
  clip-path: polygon(0 0, calc(100% - var(--co-cut)) 0, 100% var(--co-cut), 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .co-hero__trace {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  color: var(--cyan);
  opacity: .55;
  margin-bottom: 10px;
}

.page-contact .co-hero__panel-label {
  margin: 0 0 6px;
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.page-contact .co-hero__stat {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 10px;
  row-gap: 3px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .co-hero__num {
  font-family: var(--font-data);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-contact .co-hero__num--time {
  font-size: 1.12rem;
  color: var(--cyan);
}

.page-contact .co-hero__unit {
  font-size: .84rem;
  color: var(--paper);
  letter-spacing: .04em;
}

.page-contact .co-hero__desc {
  grid-column: 1 / -1;
  font-size: .8rem;
  color: var(--muted);
  letter-spacing: .04em;
}

/* ---------- 合作方向 ---------- */
.page-contact .co-workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 26px;
}

.page-contact .co-side {
  display: block;
}

.page-contact .co-side__label {
  margin: 0 0 10px;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .co-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .co-filter .filter-btn {
  flex: 1 1 auto;
}

.page-contact .co-side .filter-note {
  margin: 12px 0 0;
  font-size: .78rem;
  color: var(--muted);
}

.page-contact .co-side .filter-note [data-filter-count] {
  font-family: var(--font-data);
  color: var(--cyan);
}

.page-contact .co-quick {
  margin-top: 24px;
  padding: 18px 18px 16px;
  background: linear-gradient(150deg, rgba(11, 59, 50, .9), rgba(14, 20, 18, .94));
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .co-quick__title {
  margin: 0 0 12px;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .co-quick .contact-row {
  display: block;
  margin-bottom: 4px;
}

.page-contact .co-quick .contact-row__label {
  display: block;
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .co-quick .contact-row__value {
  display: block;
  font-family: var(--font-data);
  font-size: .86rem;
  color: var(--paper);
  word-break: break-all;
  line-height: 1.6;
}

.page-contact .co-quick .copy-chip {
  margin: 0 0 14px;
}

.page-contact .co-dirs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .co-dir {
  --co-accent: var(--cyan);
  position: relative;
  padding: 22px 20px 20px;
  background: rgba(19, 26, 24, .74);
  border-left: 2px solid var(--co-accent);
  box-shadow: inset 0 0 0 1px rgba(242, 232, 213, .07);
  transition: background .22s ease, transform .22s ease;
}

.page-contact .co-dir::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 2px;
  background: var(--co-accent);
}

.page-contact .co-dir[data-category="data"] {
  --co-accent: var(--gold);
}

.page-contact .co-dir[data-category="media"] {
  --co-accent: var(--purple);
}

.page-contact .co-dir[data-category="brand"] {
  --co-accent: var(--alert);
}

.page-contact .co-dir:hover {
  background: rgba(11, 59, 50, .78);
  transform: translateY(-2px);
}

.page-contact .co-dir__kicker {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--co-accent);
}

.page-contact .co-dir__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .co-dir__body {
  margin: 12px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .co-dir__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .co-dir__meta li {
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--paper);
  padding: 4px 10px;
  background: rgba(242, 232, 213, .08);
  border: 1px solid var(--line-soft);
}

.page-contact .co-dir__link {
  display: inline-block;
  margin-top: 16px;
  font-size: .84rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 192, .4);
  padding-bottom: 2px;
}

.page-contact .co-dir__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-contact .co-media {
  margin: 22px 0 0;
}

/* ---------- 联系方式 ---------- */
.page-contact .co-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .co-card {
  --co-card-accent: var(--cyan);
  padding: 22px 20px 20px;
  background: linear-gradient(160deg, rgba(11, 59, 50, .86), rgba(14, 20, 18, .94));
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .co-card:nth-child(2) {
  --co-card-accent: var(--gold);
}

.page-contact .co-card:nth-child(3) {
  --co-card-accent: var(--purple);
}

.page-contact .co-card--hours {
  --co-card-accent: var(--alert);
}

.page-contact .co-card__label {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--co-card-accent);
}

.page-contact .co-card__value {
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .co-card__value--sm {
  font-size: .92rem;
  font-family: var(--font-body);
  word-break: normal;
  line-height: 1.7;
}

.page-contact .co-card .copy-chip {
  margin-top: 14px;
}

.page-contact .co-card__note {
  margin: 14px 0 0;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 合作流程 ---------- */
.page-contact .co-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 24px;
}

.page-contact .co-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: co-step;
}

.page-contact .co-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 30px;
}

.page-contact .co-flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .co-flow__step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 54px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), rgba(61, 242, 192, 0));
}

.page-contact .co-flow__index {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  font-family: var(--font-data);
  font-size: .92rem;
  letter-spacing: .04em;
  color: var(--cyan);
  background: rgba(61, 242, 192, .07);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%);
}

.page-contact .co-flow__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  color: var(--paper);
}

.page-contact .co-flow__text {
  margin: 10px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .co-flow__body .expand-card {
  margin-top: 14px;
}

/* ---------- 服务地区 ---------- */
.page-contact .co-region__panel {
  position: relative;
  margin-top: 24px;
  padding: 28px 22px 26px;
  background: linear-gradient(120deg, rgba(15, 74, 63, .92), rgba(11, 59, 50, .95) 60%, rgba(14, 20, 18, .96));
  border-left: 3px solid var(--gold);
}

.page-contact .co-region__label {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .co-region__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .co-region__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 18px;
}

.page-contact .co-region__cols p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.9;
  color: rgba(242, 232, 213, .82);
}

/* ---------- 常见合作问题 ---------- */
.page-contact .co-faq__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .co-faq__grid .expand-card__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 192, .4);
}

/* ---------- 信任条 ---------- */
.page-contact .co-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 22px;
  margin-top: 48px;
  padding: 18px 20px;
  background: rgba(11, 59, 50, .42);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .co-trust__line {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .co-trust__icp {
  margin: 0;
  font-family: var(--font-data);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .co-dirs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-faq__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .co-hero {
    padding: 34px 0 18px;
  }

  .page-contact .co-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .95fr);
    gap: 40px;
    align-items: end;
    margin-top: 28px;
  }

  .page-contact .co-region__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 1000px) {
  .page-contact .co-workbench {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 34px;
  }

  .page-contact .co-side {
    position: sticky;
    top: 24px;
  }

  .page-contact .co-filter {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-contact .co-filter .filter-btn {
    flex: 0 0 auto;
    width: 100%;
    text-align: left;
  }
}

@media (min-width: 1080px) {
  .page-contact .co-flow__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .co-flow__grid .co-media {
    margin-top: 6px;
  }
}