:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --primary:#5b7cfa;
  --primary2:#7ad7c5;
  --border:#e6e8f0;
  --shadow: 0 10px 25px rgba(17, 24, 39, .08);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1200px 500px at 10% 0%, rgba(122,215,197,.25), transparent 60%),
              radial-gradient(1200px 500px at 90% 0%, rgba(91,124,250,.18), transparent 60%),
              var(--bg);
  color:var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.5;
}

.container{max-width:1050px;margin:0 auto;padding:18px}

.topbar{
  position:sticky; top:0; z-index:10;
  background: rgba(246,247,251,.75);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:12px}

.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand__logo{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color:white;font-weight:800;
  box-shadow: var(--shadow);
}
.brand__text{font-weight:800;letter-spacing:.2px}

.nav{display:flex;gap:10px}
.nav__link{
  text-decoration:none;
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
}
.nav__link:hover{background: rgba(91,124,250,.10)}

.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:18px;
  margin-top:18px;
}

.hero{display:grid;grid-template-columns: 1.4fr .6fr;gap:18px;margin-top:18px}
@media (max-width: 860px){ .hero{grid-template-columns:1fr} }

.hero__card{
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.78));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:22px;
}
.hero__card h1{margin:0 0 10px 0;font-size:28px}
.lead{color:var(--muted);margin:0 0 18px 0}

.hero__actions{display:flex;gap:10px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 14px;
  border-radius: 14px;
  border:1px solid var(--border);
  text-decoration:none;
  font-weight:700;
  cursor:pointer;
  background:#fff;
  color:var(--text);
}
.btn--primary{
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color:white;
  border: none;
}
.btn--ghost{
  background: rgba(255,255,255,.65);
}
.btn:active{transform: translateY(1px)}

.hero__side{display:flex;flex-direction:column;gap:18px}
.stat, .tips{
  background: rgba(255,255,255,.85);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:18px;
}
.stat__num{font-size:34px;font-weight:800}
.stat__label{color:var(--muted)}
.tips__title{font-weight:800;margin-bottom:6px}
.tips__text{color:var(--muted)}

.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.row--space{justify-content:space-between}
.page-note{margin:6px 0 0}

.search{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.input{
  padding:11px 12px;
  border-radius: 14px;
  border:1px solid var(--border);
  min-width: 220px;
  outline:none;
  background: rgba(255,255,255,.9);
}
.input:focus{border-color: rgba(91,124,250,.65); box-shadow: 0 0 0 4px rgba(91,124,250,.15)}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:14px;
}
.grid--diseases{margin-top:0}
@media (max-width: 900px){ .grid{grid-template-columns: repeat(2, 1fr);} }
@media (max-width: 620px){ .grid{grid-template-columns: 1fr;} }

.dcard{
  display:block;
  text-decoration:none;
  color:var(--text);
  border:1px solid var(--border);
  border-radius: 16px;
  padding:14px;
  background: rgba(255,255,255,.9);
  transition: transform .08s ease, box-shadow .08s ease;
}
.dcard:hover{transform: translateY(-1px); box-shadow: 0 14px 26px rgba(17,24,39,.10)}
.dcard__title{font-weight:800;margin-bottom:6px}
.dcard__desc{color:var(--muted); font-size:14px; margin-bottom:10px}
.dcard__cta{font-weight:800;color: rgba(91,124,250,.95)}

.back{display:inline-block;margin-bottom:8px;text-decoration:none;color: rgba(91,124,250,.95);font-weight:700}

.titleblock__title{margin:8px 0 6px 0}
.muted{color:var(--muted)}
.text{white-space: pre-wrap; margin:0}
.list{margin:0;padding-left:18px;color:var(--muted)}

.badge{
  display:inline-flex;
  align-items:center;
  padding:7px 12px;
  border-radius:999px;
  background: rgba(91,124,250,.10);
  color: rgba(91,124,250,.95);
  font-weight:700;
}

.search-result-banner{
  margin-top:16px;
  padding:12px 14px;
  border:1px solid rgba(91,124,250,.18);
  background: linear-gradient(135deg, rgba(91,124,250,.08), rgba(122,215,197,.12));
  border-radius:16px;
}

.section-nav{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:18px;
}
@media (max-width: 900px){ .section-nav{grid-template-columns: repeat(2, 1fr);} }
@media (max-width: 620px){ .section-nav{grid-template-columns: 1fr;} }

.section-button{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:16px;
  text-decoration:none;
  color:var(--text);
  border-radius:16px;
  border:1px solid var(--border);
  background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(122,215,197,.10));
  box-shadow: var(--shadow);
  font-weight:700;
}
.section-button:hover{transform: translateY(-1px)}
.section-button__count{
  min-width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color:#fff;
  font-size:14px;
}

.sections-list{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.section-card{
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  background: rgba(255,255,255,.9);
}
.section-card__header{
  width:100%;
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:center;
  padding:18px;
  border:0;
  background: transparent;
  cursor:pointer;
  text-align:left;
}
.section-card__header--active{
  background: linear-gradient(135deg, rgba(91,124,250,.10), rgba(122,215,197,.16));
}
.section-card__eyebrow{
  display:block;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--muted);
  margin-bottom:4px;
}
.section-card__title{
  display:block;
  font-size:20px;
  font-weight:800;
}
.section-card__meta{
  color:var(--muted);
  font-weight:700;
}
.section-card__body{display:none;padding:0 18px 18px}
.section-card__body--open{display:block}

.detail-sections{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.detail-block{
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  background: rgba(255,255,255,.95);
}
.detail-block__button{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:16px 18px;
  border:0;
  background:transparent;
  cursor:pointer;
  font-size:16px;
  font-weight:800;
  text-align:left;
}
.detail-block--open .detail-block__button{
  background: linear-gradient(135deg, rgba(91,124,250,.10), rgba(122,215,197,.12));
}
.detail-block__content{display:none;padding:0 18px 18px}
.detail-block--open .detail-block__content{display:block}

.footer{
  margin-top:22px;
  border-top:1px solid var(--border);
  padding:18px 0;
  background: rgba(246,247,251,.65);
}
.footer__inner{display:flex;flex-direction:column;gap:6px}


.hero__heading{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
}
.hero__logo{
  width:120px;
  max-width:22%;
  height:auto;
  opacity:.82;
  filter: saturate(.92);
}
@media (max-width: 700px){
  .hero__heading{flex-direction:column}
  .hero__logo{width:90px;max-width:none;align-self:flex-end}
}
.detail-media{margin-top:14px}
.detail-media__img{
  width:100%;
  max-width:760px;
  border:1px solid var(--border);
  border-radius:16px;
  background:#fff;
  box-shadow: var(--shadow);
}
.acu-note{
  margin-top:12px;
  color:var(--muted);
  font-size:14px;
}
.acu-list{
  margin:10px 0 0;
  padding-left:20px;
}
.acu-list li + li{margin-top:8px}