/* ============================================================
   v2 · 首页视觉组件（项目网站版）
   ============================================================ */

.hero { padding: 64px 0 44px; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: 56px;
  align-items: center;
}

.hero .sub {
  max-width: 40em;
  margin: 0 0 26px;
  font-size: 16.5px;
  line-height: 1.8;
  color: #4d483f;
}

/* --- 概念示意图（用 HTML/CSS 画，不依赖图片） --- */

.hero-visual { position: relative; }

.mock-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px 22px 16px;
  box-shadow: 0 24px 50px -34px rgba(35, 32, 27, .35);
}

.mock-kicker {
  margin: 0 0 12px;
  font-size: 12.5px;
  color: var(--brand);
  letter-spacing: .04em;
}

.mock-rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.mock-rows li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.mock-rows li.done { background: #fbfaf7; }
.mock-rows li.pending { border-style: dashed; border-color: #dcb9a4; background: #fdf8f3; }

.tick {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  background: var(--brand-soft);
  color: var(--brand-deep);
}
.pending .tick { background: #f6e6d8; color: #a35a2a; }

.row-text { flex: 1; display: flex; flex-direction: column; line-height: 1.45; }
.row-text strong { font-size: 14.5px; font-weight: 600; }
.row-text em { font-style: normal; font-size: 13px; color: var(--muted); }

.row-src {
  flex: none;
  font-size: 11.5px;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 9px;
}

.mock-foot { margin: 12px 0 0; font-size: 12.5px; color: var(--muted); }

.mock-family {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}
.mock-family .avatar {
  width: 34px;
  height: 34px;
  font-size: 14px;
  border: 2px solid var(--bg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}
.mock-family em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
}

.mock-cap { margin: 10px 4px 0; text-align: right; font-size: 11.5px; color: #9a948a; }

/* --- 数字带 --- */

.stats-band {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  padding: 30px 0;
}
.stat b {
  display: block;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.25;
  letter-spacing: -.01em;
}
.stat span { display: block; margin-top: 2px; font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.stat small { font-size: 12px; color: #9a948a; }

/* --- 信息链断点示意 --- */

.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 32px 0 10px;
}
.flow-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 14px 12px;
}
.flow-step .n {
  font: 600 11.5px/1 Georgia, "Times New Roman", serif;
  color: var(--brand);
  letter-spacing: .08em;
}
.flow-step strong { display: block; margin: 6px 0 4px; font-size: 15px; }
.flow-step p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.flow-step.broken { border-style: dashed; border-color: #d9b7a3; }
.flow-step.broken .n { color: #a35a2a; }
.flow-step.broken::after {
  content: "× 断点";
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  color: #a35a2a;
}

/* --- 方案四步 --- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 30px 0 8px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.step .n {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}
.step h3 { margin: 10px 0 6px; font-size: 16px; }
.step p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.65; }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 26px;
}
.principle {
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--brand-soft);
}
.principle h3 { margin: 0 0 6px; font-size: 15px; color: var(--brand-deep); }
.principle p { margin: 0; font-size: 13.5px; color: #3c5b54; line-height: 1.65; }

/* --- 进展时间线 --- */

.timeline {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-left: 2px solid var(--line);
}
.timeline li { position: relative; padding: 0 0 24px 24px; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand);
  border: 2px solid var(--bg);
}
.timeline li.future::before { background: #cfcabf; }
.timeline .when {
  font: 600 12px/1.4 Georgia, "Times New Roman", serif;
  color: var(--brand);
  letter-spacing: .06em;
}
.timeline strong { display: block; margin: 2px 0 2px; font-size: 15.5px; }
.timeline p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.7; }

/* --- 响应式（v2） --- */

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-visual { max-width: 540px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .principles { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .stats { grid-template-columns: 1fr; gap: 16px; padding: 24px 0; }
  .flow { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}