/* 合作咨询 */
.page-hero--join {
  padding: 96px 0 84px;
  background: radial-gradient(900px 500px at 50% -20%, rgba(90, 194, 223, 0.25), transparent 60%), var(--ink);
}
.join-hero-inner { text-align: center; max-width: 860px; margin: 0 auto; }
.join-hero-inner .hero-btns { justify-content: center; }
.join-hero-inner .badge {
  display: inline-block; padding: 8px 22px; border-radius: 999px; font-size: 14px; font-weight: 700;
  background: rgba(255, 178, 0, 0.14); color: var(--amber); border: 1px solid rgba(255, 178, 0, 0.4);
  margin-bottom: 26px; letter-spacing: 0.12em;
}
.join-hero-inner h1 { font-size: clamp(36px, 5vw, 58px); }
.join-phone {
  font-family: var(--font-en); font-weight: 900; font-size: clamp(46px, 7vw, 84px);
  background: linear-gradient(120deg, #fff, #d9f2f8 60%, var(--brand));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: 0.02em; margin: 22px 0 10px; line-height: 1.1;
}
.join-hero-inner .sub { color: #a9aeba; font-size: 15px; margin-bottom: 30px; }
.join-contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
@media (max-width: 1000px) {
  .join-contact { grid-template-columns: 1fr; gap: 40px; }
}

.mb-md { margin-bottom: 20px; }
.mb-0 { margin-bottom: 0; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.biz-card--sm { min-height: 210px; }
.info-card--dense { padding: 18px 22px; }
.info-card--dense h4 { font-size: 15px; }
.info-card--dense p { font-size: 13.5px; }
.cta-band--tile { border-radius: var(--r-lg); }
.cta-band--ink { background: var(--ink); }
.bignum-row.col-2 { grid-template-columns: repeat(2, 1fr); }

.biz-card {
  position: relative; border-radius: var(--r-lg); padding: 34px 32px 30px;
  background: #fff; border: 1px solid var(--line); overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
  display: flex; flex-direction: column; gap: 12px; min-height: 230px;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(90, 194, 223, 0.4); }
.biz-card .no {
  font-family: var(--font-en); font-weight: 900; font-size: 44px;
  color: transparent; -webkit-text-stroke: 1.4px rgba(23, 27, 38, 0.18);
  position: absolute; top: 18px; right: 22px; line-height: 1;
}
.biz-card h3 { font-size: 21px; }
.biz-card p { color: var(--ink-3); font-size: 14.5px; flex: 1; }
.biz-card .link { font-size: 14px; font-weight: 700; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; transition: gap 0.25s; }
.biz-card:hover .link { gap: 12px; }
.biz-card::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 4px; width: 0;
  background: var(--brand); transition: width 0.35s ease;
}
.biz-card:hover::after { width: 100%; }

.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -31px; top: 7px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--paper); border: 3px solid var(--brand);
}
.tl-item .yr { font-family: var(--font-en); font-weight: 900; font-size: 19px; color: var(--brand); }
.tl-item p { color: var(--ink-3); font-size: 14.5px; margin-top: 3px; }
.dark .timeline .tl-item p { color: #c9ccd4; }

@media (max-width: 1000px) {
  .bignum-row.col-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .bignum-row.col-2 { grid-template-columns: 1fr; }
}