/* ==========================================================
   婴幼儿皮肤问题教学模块 v2 · 儿童医疗风设计系统
   配色：天蓝(护理) / 薄荷绿(新生) / 暖橙(就医) · 暖白底 · 大圆角
   ========================================================== */
:root{
  --bg:#FAFBF7;
  --ink:#2B3A42; --sub:#67787F; --line:#E7EDE4;
  --blue:#4A9FD8;  --blue-deep:#2F7FB5;  --blue-soft:#EAF4FB;
  --green:#4FB686; --green-deep:#33905F; --green-soft:#E9F7F0;
  --orange:#EF9A4F; --orange-deep:#D07A2C; --orange-soft:#FDF2E3;
  --red:#E4604E; --red-deep:#C24332; --red-soft:#FDEFEC;
  --yellow:#F7CE68;
  --card:#FFFFFF;
  --r-lg:24px; --r-md:16px; --r-sm:10px;
  --shadow:0 6px 22px rgba(43,58,66,.06);
  --shadow-h:0 14px 34px rgba(43,58,66,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);line-height:1.75;
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",system-ui,sans-serif;
  background:
    radial-gradient(900px 420px at 8% -4%, rgba(74,159,216,.10), transparent 62%),
    radial-gradient(800px 420px at 96% 2%, rgba(79,182,134,.10), transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
.page{max-width:1180px;margin:0 auto;padding:0 22px 90px}
b{font-weight:700}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;margin:26px 0 18px;padding:52px 46px 44px;
  border-radius:28px;border:1px solid rgba(74,159,216,.18);
  background:linear-gradient(135deg,#EAF4FB 0%,#EDF9F2 52%,#FEF6E9 100%);
}
.hero::before{
  content:"";position:absolute;width:420px;height:420px;right:-130px;top:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,159,216,.16),transparent 68%);
}
.hero::after{
  content:"";position:absolute;width:280px;height:280px;left:-100px;bottom:-150px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,182,134,.15),transparent 70%);
}
.bubbles{position:absolute;inset:0;pointer-events:none}
.bubbles i{position:absolute;border-radius:50%;opacity:.55}
.bubbles i:nth-child(1){width:16px;height:16px;left:47%;top:56px;background:var(--yellow)}
.bubbles i:nth-child(2){width:9px;height:9px;left:54%;top:100px;background:var(--blue);opacity:.4}
.bubbles i:nth-child(3){width:12px;height:12px;left:80%;top:70px;background:var(--green);opacity:.45}
.bubbles i:nth-child(4){width:7px;height:7px;left:26%;top:130px;background:var(--orange);opacity:.5}
.bubbles i:nth-child(5){width:11px;height:11px;left:90%;top:190px;background:var(--yellow);opacity:.6}

.kicker{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.2em;color:var(--blue-deep);font-weight:800;
  padding:7px 16px;border-radius:99px;background:#fff;
  border:1px solid rgba(74,159,216,.3);box-shadow:0 2px 8px rgba(74,159,216,.10);
}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue)}
.hero h1{
  position:relative;margin:20px 0 10px;font-size:clamp(28px,3.5vw,42px);
  line-height:1.3;letter-spacing:-.5px;font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--blue-deep)}
.lede{position:relative;margin:0;max-width:680px;color:#4B5C63;font-size:15.5px}
.stats{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.stat{
  display:inline-flex;align-items:center;gap:8px;background:#fff;
  border:1px solid var(--line);padding:9px 18px;border-radius:14px;
  font-size:13px;color:#42545B;box-shadow:0 2px 8px rgba(43,58,66,.05);
}
.stat b{font-size:16px}
.stat.s1 b{color:var(--blue)} .stat.s2 b{color:var(--green)}
.stat.s3 b{color:var(--orange)} .stat.s4 b{color:var(--red)}

/* ---------- NAV ---------- */
.tabs{
  position:sticky;top:0;z-index:30;display:flex;gap:8px;overflow-x:auto;
  padding:12px 2px;margin-bottom:12px;background:rgba(250,251,247,.95);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tabs a{
  flex:0 0 auto;text-decoration:none;font-size:13.5px;font-weight:600;color:#51646B;
  padding:8px 16px;border-radius:99px;border:1px solid var(--line);background:#fff;
  transition:.18s;white-space:nowrap;
}
.tabs a:hover{color:var(--blue-deep);border-color:var(--blue);background:var(--blue-soft)}
.print-btn{
  margin-left:auto;flex:0 0 auto;cursor:pointer;font-size:13px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,var(--blue),var(--green));
  border:none;padding:9px 20px;border-radius:99px;font-family:inherit;
  box-shadow:0 3px 10px rgba(74,159,216,.28);
}
.print-btn:hover{filter:brightness(1.06)}

/* ---------- QUICK ---------- */
.quick{margin:30px 0 10px}
.section-h{display:flex;align-items:baseline;gap:12px;margin:0 0 4px;flex-wrap:wrap}
.section-h h2{font-size:21px;margin:0;letter-spacing:-.2px;font-weight:800}
.section-h span{font-size:12.5px;color:var(--sub)}
.section-sub{margin:0 0 18px;color:var(--sub);font-size:14px;max-width:760px}
.lesion-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.lesion{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 12px 14px;transition:.2s;
}
.lesion:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.lesion svg{display:block;width:100%;height:auto;border-radius:var(--r-sm)}
.lesion .ln{font-weight:800;font-size:13.5px;margin-top:9px}
.lesion .ld{font-size:12px;color:var(--sub);line-height:1.55}
.lesion .ld i{color:#93A3A8;font-style:normal}

/* ---------- GROUP ---------- */
.group{margin:46px 0 0}
.group-title{display:flex;align-items:center;gap:13px;font-size:17.5px;margin:0 0 20px;letter-spacing:-.3px;font-weight:800}
.group-title::after{content:"";flex:1;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--line),transparent)}
.group-title b{
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  width:30px;height:30px;border-radius:10px;color:#fff;font-size:14px;font-weight:800;
  box-shadow:0 3px 8px rgba(43,58,66,.15);
}
.group-title small{font-size:12.5px;font-weight:400;color:var(--sub)}
.group[data-g="care"] .group-title{color:var(--blue-deep)}
.group[data-g="care"] .group-title b{background:var(--blue)}
.group[data-g="care"] .group-title::after{background:linear-gradient(90deg,rgba(74,159,216,.45),transparent)}
.group[data-g="neo"] .group-title{color:var(--green-deep)}
.group[data-g="neo"] .group-title b{background:var(--green)}
.group[data-g="neo"] .group-title::after{background:linear-gradient(90deg,rgba(79,182,134,.45),transparent)}
.group[data-g="watch"] .group-title{color:var(--orange-deep)}
.group[data-g="watch"] .group-title b{background:var(--orange)}
.group[data-g="watch"] .group-title::after{background:linear-gradient(90deg,rgba(239,154,79,.45),transparent)}

/* ---------- CARD ---------- */
.card{
  position:relative;background:var(--card);border:1px solid #EDF1EA;border-radius:var(--r-lg);
  padding:26px;margin-bottom:22px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:300px 1fr;gap:30px;overflow:hidden;
  scroll-margin-top:74px;transition:box-shadow .2s;
}
.card:hover{box-shadow:var(--shadow-h)}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px}
.card[data-g="care"]::before{background:linear-gradient(180deg,var(--blue),rgba(74,159,216,.25))}
.card[data-g="neo"]::before{background:linear-gradient(180deg,var(--green),rgba(79,182,134,.25))}
.card[data-g="watch"]::before{background:linear-gradient(180deg,var(--orange),rgba(239,154,79,.25))}
@media(max-width:900px){.card{grid-template-columns:1fr;gap:18px;padding:20px}}

/* 图示区 */
.fig{margin:0;min-width:0}
.fig-tabs{display:flex;gap:6px;margin-bottom:10px}
.ft{
  cursor:pointer;font-family:inherit;font-size:12px;font-weight:700;color:#6B7A80;
  background:#F2F5EF;border:1px solid var(--line);border-radius:99px;padding:5px 13px;
  transition:.15s;
}
.ft:hover{color:var(--ink)}
.ft.active{color:#fff;border-color:transparent}
.card[data-g="care"] .ft.active{background:var(--blue)}
.card[data-g="neo"] .ft.active{background:var(--green)}
.card[data-g="watch"] .ft.active{background:var(--orange)}
.view{border-radius:var(--r-md);overflow:hidden;position:relative}
.view.hide{display:none}
.photo-view{background:#F2F5EF}
.photo-view img{display:block;width:100%;height:auto}
.pbox{position:relative}
.pbox .badge{
  position:absolute;right:8px;bottom:8px;font-size:10.5px;font-weight:600;
  color:#54646B;background:rgba(255,255,255,.92);border:1px solid rgba(43,58,66,.12);
  padding:3px 9px;border-radius:99px;backdrop-filter:blur(4px);
}
.pbox .noimg-tip{
  display:none;padding:56px 18px;text-align:center;font-size:12.5px;color:#8A999F;line-height:1.9;
  border:1.5px dashed #CDD8D2;border-radius:var(--r-md);background:#F7FAF5;
}
.pbox .noimg-tip code{
  font-family:Consolas,monospace;font-size:11.5px;color:var(--blue-deep);
  background:var(--blue-soft);padding:2px 7px;border-radius:6px;
}
.pbox.noimg .noimg-tip{display:block}
.ill-view{background:linear-gradient(180deg,#FBF6F0,#F4ECE3);border:1px solid #F0E4D8}
.ill{display:block;width:100%;height:auto}
.fig figcaption{font-size:12px;color:var(--sub);margin-top:9px;line-height:1.65;padding:0 2px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{font-size:11.5px;padding:3.5px 11px;border-radius:99px;background:#F3F6F0;color:#5C6E74;border:1px solid #E7EDE4}
.tag.warn{background:var(--red-soft);color:var(--red-deep);border-color:#F6D9D2}
.tag.ok{background:var(--green-soft);color:var(--green-deep);border-color:#D5EBDF}

/* 标题区 */
.hd{display:flex;align-items:flex-start;gap:13px;margin-bottom:4px}
.no{
  flex:0 0 auto;width:38px;height:38px;border-radius:13px;color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  box-shadow:0 4px 10px rgba(43,58,66,.15);
}
.card[data-g="care"] .no{background:linear-gradient(135deg,var(--blue),var(--blue-deep))}
.card[data-g="neo"] .no{background:linear-gradient(135deg,var(--green),var(--green-deep))}
.card[data-g="watch"] .no{background:linear-gradient(135deg,var(--orange),var(--orange-deep))}
.card h3{margin:0;font-size:21px;letter-spacing:-.3px;line-height:1.4;font-weight:800}
.en{font-size:12.5px;color:#93A3A8;font-style:italic;margin-top:3px;letter-spacing:.02em}

.core{
  margin:14px 0 20px;padding:13px 17px;font-size:14.5px;color:#33454C;
  border-radius:0 14px 14px 0;
}
.card[data-g="care"] .core{border-left:4px solid var(--blue);background:linear-gradient(90deg,var(--blue-soft),rgba(234,244,251,0))}
.card[data-g="neo"] .core{border-left:4px solid var(--green);background:linear-gradient(90deg,var(--green-soft),rgba(233,247,240,0))}
.card[data-g="watch"] .core{border-left:4px solid var(--orange);background:linear-gradient(90deg,var(--orange-soft),rgba(253,242,227,0))}
.core b{color:var(--ink)}

/* 区块 */
.blk{margin-bottom:20px}
.blk-h{
  font-size:13px;font-weight:800;letter-spacing:.05em;color:#42545B;
  margin:0 0 9px;display:flex;align-items:center;gap:8px;
}
.blk-h::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--blue)}
.blk-h.myth-h::before{background:var(--red)}
.blk-h.care-h::before{background:var(--green)}
.blk-h.red-h::before{background:#C0392B}

ul.look{margin:0;padding-left:0;list-style:none;font-size:14.3px}
ul.look li{position:relative;padding-left:17px;margin-bottom:5px;color:#3A4B52}
ul.look li::before{
  content:"";position:absolute;left:2px;top:.72em;width:5.5px;height:5.5px;border-radius:50%;
}
.card[data-g="care"] ul.look li::before{background:#9CC7E4}
.card[data-g="neo"] ul.look li::before{background:#9AD8BC}
.card[data-g="watch"] ul.look li::before{background:#F3BE8C}
ul.look li b{color:var(--ink)}

ol.care{margin:0;padding-left:0;list-style:none;counter-reset:c;font-size:14.3px}
ol.care li{position:relative;padding-left:29px;margin-bottom:9px;color:#33454C;counter-increment:c}
ol.care li::before{
  content:counter(c);position:absolute;left:0;top:.18em;width:20px;height:20px;
  border-radius:50%;background:var(--green-soft);color:var(--green-deep);
  font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
  border:1.5px solid #CBE9DA;
}
ol.care li b{color:#1E4030}

.myth{display:grid;gap:8px}
.mrow{display:grid;grid-template-columns:1fr 1fr;gap:9px}
@media(max-width:640px){.mrow{grid-template-columns:1fr}}
.mrow div{font-size:13.4px;padding:10px 13px 10px 34px;border-radius:12px;position:relative;line-height:1.6}
.mrow .bad{background:var(--red-soft);color:#93402F;border:1px solid #F6DCD3}
.mrow .good{background:var(--green-soft);color:#2C5840;border:1px solid #D8EBDF}
.mrow .bad::before{
  content:"✕";position:absolute;left:12px;top:9px;font-weight:800;font-size:12px;
  color:#fff;background:var(--red);width:15px;height:15px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:9.5px;
}
.mrow .good::before{
  content:"✓";position:absolute;left:12px;top:9px;font-weight:800;font-size:12px;
  color:#fff;background:var(--green);width:15px;height:15px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:9.5px;
}

.red{
  background:var(--red-soft);border:1px solid #F5DAD1;border-radius:14px;
  padding:13px 17px;font-size:13.6px;color:#8B3A26;
}
.red ul{margin:6px 0 0;padding-left:18px}
.red li{margin-bottom:3px}
.red b{color:#A5341C}

.note{
  margin-top:14px;font-size:12.7px;color:var(--sub);padding-top:11px;
  border-top:1.5px dashed #E5EBE2;line-height:1.7;
}
.note::before{content:"临床备注";font-weight:800;color:#93A3A8;font-size:11px;letter-spacing:.1em;display:block;margin-bottom:2px}

/* ---------- PRINCIPLES ---------- */
.principles{margin:58px 0 0}
.p-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.p-card{border-radius:20px;padding:24px;border:1px solid var(--line)}
.p-card.c1{background:var(--blue-soft);border-color:#D6E9F6}
.p-card.c2{background:var(--green-soft);border-color:#D5EBDF}
.p-card.c3{background:var(--orange-soft);border-color:#F4E2C8}
.p-card .pn{font-size:11.5px;font-weight:800;letter-spacing:.16em;opacity:.75}
.p-card.c1 .pn{color:var(--blue-deep)} .p-card.c2 .pn{color:var(--green-deep)} .p-card.c3 .pn{color:var(--orange-deep)}
.p-card h4{margin:7px 0 8px;font-size:17px;font-weight:800}
.p-card p{margin:0;font-size:13.8px;color:#41544F}

.hormone{
  margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 26px;box-shadow:var(--shadow);
}
.hormone h4{margin:0 0 12px;font-size:17px;font-weight:800}
.hormone table{width:100%;border-collapse:collapse;font-size:13.6px}
.hormone th,.hormone td{padding:9px 11px;text-align:left;border-bottom:1px solid #F1F3EE;vertical-align:top}
.hormone th{font-size:12.5px;color:var(--sub);font-weight:700;background:#F7F9F4}
.hormone td:first-child{font-weight:700;color:var(--blue-deep);white-space:nowrap}
.hormone tr:last-child td{border-bottom:none}

/* ---------- REDFLAG ---------- */
.rf{
  margin:32px 0 0;border-radius:24px;padding:30px 34px;
  background:linear-gradient(135deg,var(--red-soft),#FDF6E9);
  border:1px solid #F3D8CE;
}
.rf h2{margin:0 0 4px;font-size:21px;color:var(--red-deep);letter-spacing:-.3px;font-weight:800}
.rf .s{color:#96736A;font-size:13.5px;margin:0 0 20px}
.rf ul{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 26px}
@media(max-width:720px){.rf ul{grid-template-columns:1fr}}
.rf li{position:relative;padding-left:24px;font-size:14px;color:#5C3A32;line-height:1.65}
.rf li::before{
  content:"!";position:absolute;left:0;top:.3em;width:16px;height:16px;border-radius:50%;
  background:var(--red);color:#fff;font-size:10.5px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}

footer{
  margin-top:54px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.3px;color:#8A999F;line-height:2;
}
footer b{color:#5C6E74}

/* 真实照片替换说明条 */
.replace-tip{
  margin:26px 0 0;background:#fff;border:1.5px dashed #BFD9EC;border-radius:18px;
  padding:18px 24px;font-size:13.4px;color:#3E545E;line-height:1.9;
}
.replace-tip b{color:var(--blue-deep)}
.replace-tip code{
  font-family:Consolas,monospace;font-size:12.5px;color:var(--blue-deep);
  background:var(--blue-soft);padding:2px 8px;border-radius:6px;margin:0 2px;
}

/* ---------- 品牌 LOGO & 二维码 ---------- */
.hero-brand{
  position:absolute;right:48px;top:46px;display:flex;align-items:center;gap:13px;
}
.hero-brand img{
  width:74px;height:74px;border-radius:50%;display:block;
  background:#fff;border:1.5px solid rgba(176,138,79,.4);
  box-shadow:0 4px 14px rgba(138,106,52,.16);
}
.hero-brand-txt{display:flex;flex-direction:column;line-height:1.25}
.hero-brand-txt b{font-size:23px;font-weight:800;color:#2E3A3E;letter-spacing:.06em}
.hero-brand-txt span{font-size:14.5px;font-weight:700;color:#B08A4F;letter-spacing:.14em;margin-top:3px}
@media(max-width:860px){.hero-brand{display:none}}

.brand{
  margin:36px 0 0;display:grid;grid-template-columns:1fr auto;gap:36px;
  align-items:center;border-radius:24px;padding:32px 40px;
  background:linear-gradient(135deg,#FDFAF1 0%,#FBF2E1 100%);
  border:1px solid #EBD9B4;
}
@media(max-width:720px){.brand{grid-template-columns:1fr;text-align:center;justify-items:center;padding:26px}}
.brand-logo{height:78px;display:block;filter:drop-shadow(0 2px 4px rgba(138,106,52,.15))}
.brand-name{font-size:20px;font-weight:800;color:#8A6A34;margin:12px 0 4px;letter-spacing:.02em}
.brand-tags{display:inline-flex;flex-wrap:wrap;gap:7px;margin:6px 0 12px}
.brand-tags span{
  font-size:12px;font-weight:700;color:#8A6A34;background:#fff;
  border:1px solid #E5D2A8;padding:4px 13px;border-radius:99px;
}
.brand p{margin:0;font-size:13.6px;color:#6E5C3E;max-width:560px;line-height:1.9}
@media(max-width:720px){.brand p{max-width:100%}}
.brand-qr{display:flex;gap:26px;align-items:flex-start;justify-content:center}
.qr-item{text-align:center}
.qr-item img{
  width:158px;display:block;margin:0 auto;background:#fff;border-radius:16px;padding:9px;
  border:1px solid #EBD9B4;box-shadow:0 6px 16px rgba(138,106,52,.12);
}
.qr-item span{
  display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:#8A6A34;
}
@media(max-width:720px){.brand-qr{flex-wrap:wrap}}

@media print{
  .tabs,.print-btn,.fig-tabs{display:none}
  body{background:#fff}
  .card{break-inside:avoid;box-shadow:none;page-break-inside:avoid}
  .hero{break-after:avoid}
  .group{break-before:page}
  .view.ill-view{display:block!important}
}