/* ============================================================
   yikeyichi.com · baokao-cailiao.html 专属样式
   布局原型：L9 棋盘网格（四象限 Hero + 2:1 / 1:2 交错棋盘）
   ============================================================ */

/* ---------- Hero：不对称四象限 ---------- */
.hero{
  display:grid; grid-template-columns:1.25fr 1fr; grid-template-rows:auto auto;
  gap:0; min-height:calc(100vh - var(--header-h));
  padding-top:var(--header-h); overflow:hidden;
}
.hero__quad--img{ position:relative; min-height:420px; }
.hero__quad--img img{ width:100%; height:100%; object-fit:cover; }
.hero__quad--img::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(160deg,rgba(27,42,33,.10),rgba(27,42,33,.42));
}
.hero__quad--dark{
  background:var(--green-900); padding:clamp(40px,5vw,72px) clamp(28px,4vw,64px) clamp(28px,3vw,44px);
  display:flex; flex-direction:column; justify-content:flex-end;
}
.hero__quad--dark .breadcrumb{ margin-bottom:18px; }
.hero__quad--dark .breadcrumb a{ color:rgba(251,248,241,.6); }
.hero__quad--dark .breadcrumb .cur{ color:var(--cream-100); }
.hero__eyebrow{
  font-size:12.5px; letter-spacing:.4em; color:var(--brown-500); margin-bottom:16px;
}
.hero__quad--dark h1{
  color:var(--cream-50); font-size:clamp(34px,4.6vw,58px); line-height:1.22; letter-spacing:.05em;
}
.hero__quad--cream{
  background:var(--cream-100); padding:clamp(28px,4vw,52px) clamp(28px,4vw,64px);
  display:flex; flex-direction:column; justify-content:center; gap:22px;
  border-top:1px solid var(--line);
}
.hero__lead{ font-size:15.5px; line-height:2; color:var(--ink-soft); }
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; }
.hero__quad--tag{
  position:absolute; left:6%; bottom:8%; z-index:3;
  background:var(--cream-50); border:1px solid var(--line); border-radius:var(--radius-m);
  box-shadow:var(--shadow-md); padding:18px 24px; display:flex; align-items:center; gap:14px;
  transform:rotate(-2deg);
}
.hero__quad--tag b{ font-family:var(--font-serif); font-size:38px; color:var(--brown-600); line-height:1; }
.hero__quad--tag span{ font-size:12.5px; line-height:1.8; color:var(--muted); }

/* ---------- 材料总览：棋盘 2:1 ---------- */
.overview{ background:var(--cream-50); }
.ov-grid{
  display:grid; grid-template-columns:2fr 1fr; gap:clamp(30px,5vw,64px); align-items:start;
}
.ov-copy .eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:13px; letter-spacing:.32em; color:var(--brown-600); margin-bottom:14px;
}
.ov-copy .eyebrow::before{ content:""; width:34px; height:1px; background:var(--brown-500); }
.ov-copy h2{ margin-bottom:18px; }
.ov-copy > p{ color:var(--muted); margin-bottom:26px; }
.ov-list{ border-top:2px solid var(--green-900); }
.ov-list li{
  display:grid; grid-template-columns:150px 1fr; gap:16px;
  padding:16px 4px; border-bottom:1px dashed var(--line-strong);
}
.ov-list li b{ font-family:var(--font-serif); color:var(--green-800); font-size:16.5px; }
.ov-list li span{ font-size:14.5px; color:var(--ink-soft); line-height:1.9; }
.ov-pic{ position:relative; padding-top:36px; }
.ov-pic img{
  width:100%; height:380px; object-fit:cover; border-radius:var(--radius-m);
  box-shadow:var(--shadow-lg);
}
.ov-pic::before{
  content:""; position:absolute; top:0; left:-14px; width:120px; height:120px;
  border-top:2px solid var(--brown-500); border-left:2px solid var(--brown-500);
}

/* ---------- 格式要求表 ---------- */
.fmt-table{ overflow-x:auto; border-radius:var(--radius-m); box-shadow:var(--shadow-sm); }
.fmt-table .tbl{ min-width:720px; background:var(--cream-50); table-layout:fixed; }
.fmt-table .tbl td{ font-size:14px; }
.fmt-note{
  margin-top:26px; padding:18px 24px; border-left:3px solid var(--brown-500);
  background:rgba(176,141,102,.08); border-radius:0 var(--radius-s) var(--radius-s) 0;
}
.fmt-note p{ font-size:14.5px; color:var(--ink-soft); }
.fmt-note a{ color:var(--green-700); font-weight:700; }
.fmt-note a:hover{ color:var(--brown-600); }

/* ---------- 照片与体检两色块卡 ---------- */
.sp-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.sp-card{
  position:relative; padding:clamp(28px,3.6vw,44px); border-radius:var(--radius-l);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease); overflow:hidden;
}
.sp-card--line{ background:var(--cream-100); border:1.5px solid var(--line-strong); }
.sp-card--solid{ background:var(--green-900); color:var(--cream-100); }
.sp-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.sp-card__no{
  font-family:var(--font-serif); font-size:56px; line-height:1; opacity:.18;
  position:absolute; top:20px; right:26px;
}
.sp-card--line .sp-card__no{ color:var(--green-800); }
.sp-card--solid .sp-card__no{ color:var(--brown-500); }
.sp-card h3{ font-size:22px; margin-bottom:14px; }
.sp-card--line h3{ color:var(--green-900); }
.sp-card--solid h3{ color:var(--cream-50); }
.sp-card p{ font-size:14.5px; line-height:2; margin-bottom:20px; }
.sp-card--line p{ color:var(--ink-soft); }
.sp-card--solid p{ color:rgba(251,248,241,.74); }
.sp-card em{ font-style:normal; font-size:14px; font-weight:600; letter-spacing:.05em; }
.sp-card--line em{ color:var(--green-700); }
.sp-card--solid em{ color:var(--brown-500); }

/* ---------- 常见错误：深底 1:2 ---------- */
.mistakes .eyebrow{ color:var(--brown-500); }
.mistakes .eyebrow::before{ content:""; width:34px; height:1px; background:var(--brown-500); }
.mk-grid{ display:grid; grid-template-columns:1fr 2fr; gap:clamp(30px,5vw,70px); align-items:start; }
.mk-list h2{ margin-bottom:24px; }
.mk-list ul li{
  padding:13px 0 13px 30px; position:relative; border-bottom:1px dashed rgba(251,248,241,.16);
}
.mk-list ul li::before{
  content:""; position:absolute; left:0; top:22px; width:14px; height:14px;
  border-radius:3px; background:var(--brown-500); transform:rotate(45deg);
}
.mk-list ul li b{ display:block; color:var(--cream-100); font-size:15.5px; margin-bottom:3px; }
.mk-list ul li span{ font-size:13.5px; color:rgba(251,248,241,.62); line-height:1.85; }
.mk-side{
  background:rgba(251,248,241,.05); border:1px solid rgba(251,248,241,.14);
  border-radius:var(--radius-l); padding:clamp(28px,3.4vw,48px);
}
.mk-side blockquote{ border-left:3px solid var(--brown-500); padding-left:22px; margin-bottom:28px; }
.mk-side blockquote p{
  font-family:var(--font-serif); font-size:clamp(17px,1.9vw,22px); line-height:1.9;
  color:var(--cream-50); margin-bottom:14px;
}
.mk-side cite{ font-style:normal; font-size:13px; color:var(--brown-500); letter-spacing:.1em; }

/* ---------- 预审服务四步 ---------- */
.pv-steps{
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border-top:1px solid var(--line-strong);
}
.pv-step{
  padding:26px 22px 10px; border-right:1px solid var(--line);
  position:relative;
}
.pv-step:last-child{ border-right:0; }
.pv-step b{
  font-family:var(--font-serif); font-size:30px; color:var(--brown-500);
  display:block; margin-bottom:12px;
}
.pv-step h3{ font-size:17.5px; margin-bottom:8px; }
.pv-step p{ font-size:13.5px; color:var(--muted); line-height:1.9; }
.pv-more{ display:flex; flex-wrap:wrap; gap:14px; margin-top:36px; }
.btn-line-alt{ border-color:var(--line-strong); color:var(--ink-soft); }
.btn-line-alt:hover{ background:var(--ink); border-color:var(--ink); color:var(--cream-50); }

/* ---------- 材料不全四卡 ---------- */
.ms-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.ms-card{
  background:var(--cream-50); border:1px solid var(--line); border-radius:var(--radius-m);
  padding:28px 26px; transition:all .35s var(--ease);
}
.ms-card:hover{ border-color:var(--brown-500); transform:translateX(6px); }
.ms-card h3{ font-size:18px; margin-bottom:10px; padding-left:14px; border-left:3px solid var(--brown-500); }
.ms-card p{ font-size:14px; color:var(--ink-soft); line-height:2; }
.ms-card a{ color:var(--green-700); font-weight:600; }

/* ---------- FAQ：细线两栏 ---------- */
.fq-grid{ display:grid; grid-template-columns:1fr 1fr; gap:0 44px; max-width:1080px; }
.fq-item{ border-bottom:1px solid var(--line-strong); }
.fq-item summary{
  list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between;
  gap:16px; padding:20px 4px; font-size:15.5px; font-weight:600; color:var(--green-900);
}
.fq-item summary::-webkit-details-marker{ display:none; }
.fq-item summary span{
  flex:none; width:22px; height:22px; border:1.5px solid var(--brown-500); border-radius:50%;
  position:relative; transition:all .35s var(--ease);
}
.fq-item summary span::before{
  content:""; position:absolute; left:5px; right:5px; top:50%; height:1.5px;
  background:var(--brown-500); transform:translateY(-50%);
}
.fq-item summary span::after{
  content:""; position:absolute; top:5px; bottom:5px; left:50%; width:1.5px;
  background:var(--brown-500); transform:translateX(-50%);
  transition:transform .35s var(--ease);
}
.fq-item[open] summary span::after{ transform:translateX(-50%) scaleY(0); }
.fq-item p{ padding:0 30px 18px 4px; font-size:14px; color:var(--muted); line-height:2; }
.fq-item p a{ color:var(--green-700); }

/* ---------- 预约 CTA ---------- */
.booking{ background:var(--green-950); }
.booking .eyebrow{ color:var(--brown-500); }
.booking .eyebrow::before{ content:""; width:34px; height:1px; background:var(--brown-500); }
.booking h2{ color:var(--cream-50); }
.bk-inner{ display:grid; grid-template-columns:1fr 1.05fr; gap:clamp(28px,5vw,60px); align-items:center; }
.bk-copy > p{ color:rgba(251,248,241,.72); margin-bottom:22px; }
.bk-phone{ font-size:17px; color:var(--cream-100); }
.bk-phone a{ color:var(--brown-500); font-weight:700; font-size:20px; }
.bk-links{ display:flex; flex-wrap:wrap; gap:18px; margin-top:24px; }
.bk-links a{ font-size:13.5px; color:rgba(251,248,241,.55); text-decoration:underline; text-underline-offset:4px; }
.bk-links a:hover{ color:var(--brown-500); }
.bk-form{
  background:var(--cream-50); border-radius:var(--radius-l); padding:34px 32px;
  display:grid; grid-template-columns:1fr 1fr; gap:16px; box-shadow:var(--shadow-lg);
}
.bk-form .field:nth-child(4),.bk-form .btn{ grid-column:1 / -1; }

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero{ grid-template-columns:1fr; }
  .hero__quad--img{ min-height:300px; }
  .hero__quad--tag{ display:none; }
  .ov-grid,.mk-grid{ grid-template-columns:1fr; }
  .ov-pic{ padding-top:0; }
  .pv-steps{ grid-template-columns:1fr 1fr; }
  .pv-step{ border-bottom:1px solid var(--line); }
  .bk-inner{ grid-template-columns:1fr; }
}
@media (max-width:640px){
  .sp-grid,.ms-grid,.fq-grid{ grid-template-columns:1fr; }
  .ov-list li{ grid-template-columns:1fr; gap:4px; }
  .pv-steps{ grid-template-columns:1fr; }
  .pv-step{ border-right:0; }
  .bk-form{ grid-template-columns:1fr; padding:26px 20px; }
  .bk-form .field{ grid-column:1 !important; }
}