/* 碳金融产品大师 · 质押 / 回购交互页 */

.fin-tabs { display: flex; gap: 10px; margin: 0 0 26px; flex-wrap: wrap; }
.fin-tab {
  appearance: none; border: 1px solid var(--c-line); background: var(--c-bg);
  color: var(--c-ink-2); font-size: 15px; font-weight: 600; padding: 10px 22px;
  border-radius: 999px; cursor: pointer; transition: all .18s ease;
  font-family: inherit;
}
.fin-tab:hover { border-color: var(--c-brand-300); color: var(--c-brand-700); }
.fin-tab.is-active {
  background: var(--c-brand-700); border-color: var(--c-brand-700);
  color: #fff; box-shadow: var(--shadow-sm);
}

.fin-lead {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--c-brand-050); border: 1px solid #f3d7db;
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 26px;
  font-size: 14.5px; line-height: 1.75; color: var(--c-ink-2);
}
.fin-lead b { color: var(--c-brand-900); }
.fin-lead .fin-lead__ico {
  flex: none; width: 34px; height: 34px; border-radius: 10px;
  background: var(--c-brand-700); color: #fff; display: grid; place-items: center; font-weight: 700;
}

/* ---- 交互流程图 ---- */
.fin-flow {
  position: relative; background: var(--c-bg); border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 28px 26px 22px;
  box-shadow: var(--shadow-sm); margin-bottom: 22px;
}
.fin-flow__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.fin-flow__title { font-size: 16px; font-weight: 700; color: var(--c-ink); }
.fin-flow__title small { display: block; font-weight: 400; color: var(--c-muted); font-size: 12.5px; margin-top: 3px; }
.fin-flow__play {
  border: 1px solid var(--c-brand-300); background: var(--c-brand-050); color: var(--c-brand-700);
  font-size: 13px; font-weight: 600; padding: 7px 16px; border-radius: 999px; cursor: pointer; font-family: inherit;
  transition: all .18s ease;
}
.fin-flow__play:hover { background: var(--c-brand-700); color: #fff; }

.fin-steps { display: flex; align-items: stretch; gap: 0; overflow-x: auto; padding-bottom: 6px; }
.fin-step {
  flex: 1 1 0; min-width: 128px; position: relative; cursor: pointer;
  padding: 0 14px 0 0; border: none; background: none; text-align: center; font-family: inherit;
}
.fin-step__node {
  width: 46px; height: 46px; margin: 0 auto 8px; border-radius: 50%;
  border: 2px solid var(--c-line); background: var(--c-bg);
  display: grid; place-items: center; font-weight: 700; font-size: 15px; color: var(--c-muted);
  position: relative; z-index: 1; transition: all .22s ease;
}
.fin-step::before {
  content: ""; position: absolute; top: 23px; left: calc(-50% + 23px); right: calc(50% + 23px);
  height: 2px; background: var(--c-line); transition: background .25s ease;
}
.fin-step:first-child::before { display: none; }
.fin-step__name { font-size: 13.5px; font-weight: 600; color: var(--c-ink-2); transition: color .2s ease; }
.fin-step__sub { font-size: 11.5px; color: var(--c-muted); margin-top: 2px; }
.fin-step:hover .fin-step__node { border-color: var(--c-brand-300); color: var(--c-brand-700); }
.fin-step.is-active .fin-step__node {
  background: var(--c-brand-700); border-color: var(--c-brand-700); color: #fff;
  transform: scale(1.08); box-shadow: 0 6px 16px rgba(143, 29, 41, .3);
}
.fin-step.is-active .fin-step__name { color: var(--c-brand-900); }
.fin-step.is-done .fin-step__node { border-color: var(--c-brand-300); background: var(--c-brand-050); color: var(--c-brand-700); }
.fin-step.is-done::before, .fin-step.is-active::before { background: var(--c-brand-500); }

.fin-detail {
  margin-top: 20px; border-top: 1px dashed var(--c-line); padding-top: 20px;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 22px;
  animation: finFade .25s ease;
}
@keyframes finFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.fin-detail__what h4, .fin-detail__todo h4 {
  font-size: 13px; letter-spacing: .06em; color: var(--c-muted);
  text-transform: uppercase; margin: 0 0 10px; font-weight: 600;
}
.fin-detail__what p { margin: 0; font-size: 14.5px; line-height: 1.85; color: var(--c-ink); }
.fin-todo { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.fin-todo li {
  display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; line-height: 1.6;
  color: var(--c-ink-2); background: var(--c-bg-soft); border: 1px solid var(--c-line);
  border-radius: 10px; padding: 9px 12px;
}
.fin-todo li::before {
  content: "✓"; flex: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--c-green-050); color: var(--c-green-600);
  display: grid; place-items: center; font-size: 11px; font-weight: 700; margin-top: 1px;
}
.fin-detail__meta { margin-top: 12px; font-size: 12.5px; color: var(--c-muted); }
.fin-detail__meta b { color: var(--c-brand-700); }

/* ---- 测算器 ---- */
.fin-calc {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm);
}
.fin-calc__title { font-size: 16px; font-weight: 700; margin: 0 0 4px; color: var(--c-ink); }
.fin-calc__sub { font-size: 13px; color: var(--c-muted); margin: 0 0 20px; }
.fin-calc__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.fin-field label { display: block; font-size: 12.5px; color: var(--c-muted); margin-bottom: 6px; font-weight: 600; }
.fin-field input {
  width: 100%; box-sizing: border-box; padding: 10px 12px; font-size: 14px;
  border: 1px solid var(--c-line); border-radius: var(--radius-sm); font-family: inherit;
  color: var(--c-ink); background: var(--c-bg);
}
.fin-field input:focus { outline: 2px solid var(--c-brand-300); border-color: var(--c-brand-500); }
.fin-field .fin-field__unit { position: relative; }
.fin-field .fin-field__unit em {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font-size: 12px; color: var(--c-muted); font-style: normal; pointer-events: none;
}
.fin-field .fin-field__unit input { padding-right: 40px; }
.fin-calc__out { margin-top: 22px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.fin-out {
  background: var(--c-brand-050); border: 1px solid #f3d7db; border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.fin-out--hero { background: var(--c-brand-700); border-color: var(--c-brand-700); }
.fin-out span { display: block; font-size: 12px; color: var(--c-brand-700); margin-bottom: 6px; font-weight: 600; }
.fin-out strong { font-size: 21px; color: var(--c-brand-900); letter-spacing: .01em; }
.fin-out--hero span { color: #f2c9ce; }
.fin-out--hero strong { color: #fff; }
.fin-out small { display: block; font-size: 11.5px; color: var(--c-muted); margin-top: 4px; }
.fin-out--hero small { color: #eec3c8; }
.fin-calc__note { margin: 16px 0 0; font-size: 12.5px; color: var(--c-muted); line-height: 1.7; }

/* ---- 对比表 ---- */
.fin-compare { margin-top: 26px; overflow-x: auto; }
.fin-compare table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.fin-compare th, .fin-compare td { padding: 11px 14px; border: 1px solid var(--c-line); text-align: left; vertical-align: top; line-height: 1.6; }
.fin-compare th { background: var(--c-brand-050); color: var(--c-brand-900); font-weight: 700; white-space: nowrap; }
.fin-compare td:first-child { color: var(--c-muted); font-weight: 600; white-space: nowrap; }

@media (max-width: 900px) {
  .fin-detail { grid-template-columns: 1fr; }
  .fin-calc__grid { grid-template-columns: repeat(2, 1fr); }
  .fin-calc__out { grid-template-columns: repeat(2, 1fr); }
  .fin-steps { padding-bottom: 10px; }
  .fin-step { min-width: 118px; }
}