/* ============================================
   团体报名页 tuanti-baoming.html 专属样式
   ============================================ */

.tb-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 40px) 0 60px;
  background: var(--paper-2);
}
.tb-hero-lines { position: absolute; inset: 0; height: 100%; pointer-events: none; }
.tb-hero-lines svg { width: 100%; height: 100%; }
.tb-hero-wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}
.tb-hero-fig img {
  width: 100%;
  border-radius: 14px;
  display: block;
  box-shadow: 0 18px 40px rgba(21, 50, 56, .14);
}
.tb-hero .ph-desc { margin: 18px 0 26px; line-height: 1.9; }

.split { display: block; line-height: 0; }
.split svg { width: 100%; height: 90px; display: block; }

/* 流程带四步 */
.tb-flow-step {
  background: #fff;
  border-radius: 12px;
  padding: 24px 18px;
  text-align: center;
  box-shadow: 0 8px 22px rgba(21, 50, 56, .08);
}
.tb-flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green-500);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 12px;
}
.tb-flow-step:nth-child(2) .tb-flow-num { background: var(--blue-500); }
.tb-flow-step:nth-child(3) .tb-flow-num { background: var(--yellow-400); color: var(--ink-900); }
.tb-flow-step:nth-child(4) .tb-flow-num { background: var(--ink-900); }
.tb-flow-step p { line-height: 1.8; color: var(--ink-700); margin: 0; }

/* 场景图文 */
.tb-scene {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
.tb-scene-txt p { line-height: 1.95; color: var(--ink-700); margin: 0 0 14px; }
.tb-scene-fig img {
  width: 100%;
  border-radius: 14px;
  display: block;
  box-shadow: 0 14px 34px rgba(21, 50, 56, .12);
}
.tb-fig-extra { margin-top: 24px; }
.tb-fig-extra img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
}

/* 链接卡 */
.tb-link {
  display: block;
  padding: 20px;
  text-decoration: none;
  color: var(--ink-900);
  font-weight: 600;
  border-left: 4px solid var(--blue-500);
  transition: transform .2s ease, box-shadow .2s ease;
}
.tb-link:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(68, 147, 196, .18); }

@media (max-width: 900px) {
  .tb-hero-wrap, .tb-scene { grid-template-columns: 1fr; }
  .tb-hero-fig { order: -1; }
  .tb-flow .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .tb-hero { padding: calc(var(--nav-h) + 24px) 0 40px; }
  .split svg { height: 56px; }
  .tb-flow .grid { grid-template-columns: 1fr; }
}