:root{
  --primary: #475569;
  --accent-blue: #607d9b;
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --text-soft: #64748b;
  --symp-text: #9f5c5c;
  --symp-bg: #f9f3f3;
  --care-text: #547c6e;
  --care-bg: #f3f8f6;
}
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
html, body {
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text-main);
}
.main-box {
  width: 100%;
  max-width: 820px;
  margin:0 auto;
  padding:40px 20px 0;
}
.header-bar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:24px;
}
.title {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--primary);
  text-shadow: 0 1px 2px rgba(0,0,0,0.05);
  text-decoration: none;
  cursor: pointer;
}
.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}
#searchInput {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-size: 16px;
  outline: none;
  transition: 0.24s ease;
  background: var(--card-bg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
  color: #111;
}
#searchInput:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(96, 125, 155, 0.12), 0 4px 10px rgba(0,0,0,0.05);
}
#searchBtn {
  padding: 0 24px;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-size: 16px;
  white-space: nowrap;
  transition: all 0.24s ease;
  box-shadow: 0 2px 6px rgba(96,125,155,0.15);
}
#searchBtn:hover {
  background: #4e6882;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(96,125,155,0.2);
}
.support-wrap {
  max-width: 520px;
  margin: 40px auto 10px;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid #e2e8f0;
}
.support-title{
  font-size:15px;
  color:var(--text-soft);
  margin-bottom:12px;
}
.support-qrcode{
  width:210px;
  border-radius:12px;
  margin:0 auto 10px;
}
.support-tip{
  font-size:12.5px;
  color:#888;
  line-height:1.6;
}
.result-item {
  background: var(--card-bg);
  padding: 24px 28px;
  border-radius: 18px;
  margin-bottom: 18px;
  box-shadow:
    0 1px 3px rgba(0,0,0,0.04),
    0 4px 12px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.result-item:hover {
  transform: translateY(-6px);
  box-shadow:
    0 4px 8px rgba(0,0,0,0.05),
    0 12px 30px rgba(0,0,0,0.08);
}
.disease-name {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 14px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #e7ecf3;
  color: var(--primary);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset;
}
.summary-block {
  margin: 0 0 18px;
  padding: 14px 18px;
  background: #eef4f7;
  border-left: 4px solid var(--accent-blue);
  border-radius: 8px;
  line-height: 1.8;
  font-size: 15.5px;
  color: var(--text-main);
}
.summary-block strong {
  color: var(--primary);
}
.symp-block {
  margin: 14px 0;
  line-height: 1.8;
  font-size: 15.5px;
  background-color: var(--symp-bg);
  padding: 14px 18px;
  border-radius: 12px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
}
.care-block {
  margin: 14px 0;
  line-height: 1.8;
  font-size: 15.5px;
  background-color: var(--care-bg);
  padding: 14px 18px;
  border-radius: 12px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
}
.sec-title {
  font-size: 20px;
  font-weight: 600;
  margin: 22px 0 10px;
  color: var(--primary);
  padding-bottom: 6px;
  border-bottom: 1px solid #e7ecf3;
}
.care-block h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--care-text);
  margin: 12px 0 4px;
}
.faq-block {
  margin: 14px 0;
  line-height: 1.8;
  font-size: 15.5px;
  background-color: var(--card-bg);
  padding: 14px 18px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.faq-item {
  padding: 10px 0;
  border-bottom: 1px solid #eef2f7;
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}
.faq-item p {
  margin: 0;
  color: var(--text-main);
}
.disclaimer {
  font-size: 12.5px;
  color: var(--text-soft);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 22px 12px;
  line-height: 1.8;
  opacity: 0.9;
}
.disclaimer p {
  margin: 0 0 10px;
  text-align: justify;
}
.disclaimer p:last-child {
  margin-bottom: 0;
}
.copyright{
  text-align:center;
  font-size:12px;
  color:var(--text-soft);
  padding:12px 15px 24px;
  letter-spacing:0.2px;
}
.page-header{
  text-align:center;
  margin-bottom:24px;
}
.site-title{
  font-size:22px;
  font-weight:500;
  letter-spacing:1px;
  color:var(--primary);
  text-decoration:none;
  text-shadow:0 1px 2px rgba(0,0,0,0.05);
}
.support-row{
  display:flex;
  justify-content:center;
  gap:32px;
  flex-wrap:wrap;
}
.support-item{
  flex:0 0 auto;
  width:200px;
}
.support-wrap{
  max-width:600px;
  margin:40px auto 10px;
  text-align:center;
  padding-top:24px;
  border-top:1px solid #e2e8f0;
}
.support-title{
  font-size:15px;
  color:var(--text-soft);
  margin-bottom:12px;
}
.support-qrcode{
  width:130px;
  height:130px;
  object-fit:cover;
  border-radius:12px;
  margin:0 auto 10px;
}
.support-tip{
  font-size:12.5px;
  color:#888;
  line-height:1.6;
}
@media only screen and (max-width:768px){
  html,body{
    min-height: auto;
  }
  .main-box{
    padding-top: 28px;
  }
  .result-item{
    padding: 20px 18px;
  }
}

/* 署名行 */
.meta-line{font-size:12.5px;color:var(--text-soft);text-align:center;margin:18px 0 0;padding-top:14px;border-top:1px solid #eef2f7;letter-spacing:.2px;}

/* 参考依据角标与折叠区 */
.ref-details{margin:14px 0 4px;font-size:13px;color:#64748b;padding-top:12px;}
.ref-details summary{cursor:pointer;font-weight:600;color:#475569;outline:none;user-select:none;}
.ref-details summary:hover{color:#607d9b;}
.ref-list{margin:8px 0 0;padding-left:0;list-style:none;counter-reset:ref;line-height:1.8;font-size:12.5px;color:#64748b;}
.ref-list li{counter-increment:ref;padding-left:34px;position:relative;margin-bottom:8px;}
.ref-list li::before{content:"[" counter(ref) "]";position:absolute;left:0;top:0;color:#64748b;font-weight:600;}
.ref-list a{color:#607d9b;text-decoration:none;word-break:break-all;}
.care-block sup{font-size:0.66em;color:#607d9b;font-weight:500;vertical-align:super;margin:0 1px;line-height:1;}