*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --lb-teal:#00838f;
  --lb-teal-dark:#006064;
  --lb-teal-light:#e0f7fa;
  --lb-green:#43a047;
  --lb-green-light:#e8f5e9;
  --lb-blue:#1976d2;
  --lb-bg:#f5fafb;
  --lb-text:#00363a;
  --lb-text-light:#4a6368;
  --lb-border:#b2ebf2;
  --lb-white:#fff;
  --lb-warn:#fff3e0;
  --lb-warn-c:#ef6c00;
  --lb-bad:#ffebee;
  --lb-bad-c:#c62828;
  --lb-good:#e8f5e9;
  --lb-good-c:#2e7d32;
  --lb-cau:#fff8e1;
  --lb-cau-c:#f57f17;
}
body{font-family:'Noto Sans SC',-apple-system,sans-serif;color:var(--lb-text);background:var(--lb-bg);line-height:1.75;font-size:14px;}
.lb-container{max-width:1200px;margin:0 auto;padding:0 20px;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}

/* top */
.lb-top{background:var(--lb-teal-dark);color:#b2ebf2;font-size:13px;}
.lb-top .lb-container{display:flex;justify-content:space-between;align-items:center;height:36px;}
.lb-teltop{color:#fff;font-weight:700;}

/* nav */
.lb-navwrap{background:var(--lb-white);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,131,143,.08);border-bottom:3px solid var(--lb-teal);}
.lb-navinner{display:flex;justify-content:space-between;align-items:center;height:80px;gap:12px;}
.lb-logo{font-size:20px;font-weight:900;color:var(--lb-teal-dark);}
.lb-logo span{display:block;font-size:11px;color:var(--lb-teal);font-weight:400;letter-spacing:1px;margin-top:2px;font-family:'Courier New',monospace;}
.lb-nav{display:flex;gap:2px;flex-wrap:wrap;}
.lb-nav a{padding:8px 10px;font-size:12.5px;color:var(--lb-text-light);font-weight:500;border-bottom:2px solid transparent;margin-bottom:-2px;transition:.2s;}
.lb-nav a:hover{color:var(--lb-teal-dark);border-bottom-color:var(--lb-teal);}
.lb-burger{display:none;background:none;border:none;font-size:22px;color:var(--lb-teal-dark);cursor:pointer;}

/* hero */
.lb-hero{background:linear-gradient(135deg,#e0f7fa 0%,#b2ebf2 50%,#80deea 100%);padding:64px 0;}
.lb-herogrid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;}
.lb-pill{display:inline-block;background:var(--lb-white);color:var(--lb-teal-dark);padding:5px 16px;font-size:12px;font-family:'Courier New',monospace;font-weight:700;margin-bottom:20px;border-left:4px solid var(--lb-teal);letter-spacing:1px;}
.lb-hero h1{font-size:42px;color:var(--lb-teal-dark);line-height:1.25;font-weight:900;margin-bottom:20px;}
.lb-hero p{font-size:16px;color:var(--lb-text-light);margin-bottom:28px;}
.lb-herobtns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px;}
.lb-btn{display:inline-block;padding:13px 28px;background:var(--lb-teal-dark);color:#fff;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:.2s;font-family:inherit;}
.lb-btn:hover{background:var(--lb-teal);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,131,143,.25);}
.lb-btn-light{background:var(--lb-white);color:var(--lb-teal-dark);border:2px solid var(--lb-teal);}
.lb-btn-light:hover{background:var(--lb-teal-light);}
.lb-btn-lg{padding:15px 38px;font-size:16px;}
.lb-herotel{display:inline-block;font-size:18px;font-weight:700;color:var(--lb-teal);}
.lb-heroimg img{box-shadow:0 20px 40px rgba(0,131,143,.2);border-left:6px solid var(--lb-teal);}

/* tip box */
.lb-tip{padding:0;margin-top:-20px;position:relative;z-index:10;}
.lb-tipbox{background:var(--lb-white);box-shadow:0 8px 24px rgba(0,131,143,.15);border-radius:8px;padding:22px 30px;display:flex;gap:22px;align-items:flex-start;border-left:6px solid var(--lb-warn-c);}
.lb-tipicon{font-size:32px;flex-shrink:0;}
.lb-tipbox h4{color:var(--lb-warn-c);font-size:16px;margin-bottom:8px;font-weight:700;}
.lb-tipbox p{font-size:14px;color:var(--lb-text-light);line-height:1.8;}
.lb-tipbox p strong{color:var(--lb-teal-dark);}

/* sections */
section{padding:60px 0;}
.lb-h2{text-align:center;font-size:28px;font-weight:900;color:var(--lb-teal-dark);margin-bottom:12px;font-family:'Noto Sans SC',sans-serif;}
.lb-subtitle{text-align:center;font-size:14px;color:var(--lb-text-light);max-width:820px;margin:0 auto 36px;line-height:1.8;}

/* hormone table */
.lb-tablewrap{overflow-x:auto;margin-bottom:20px;background:var(--lb-white);border-radius:8px;box-shadow:0 2px 10px rgba(0,131,143,.06);}
.lb-table{min-width:800px;border-collapse:collapse;}
.lb-th{display:grid;grid-template-columns:140px 1fr 1.3fr 1fr;background:var(--lb-teal-dark);color:#fff;font-weight:700;font-size:13px;}
.lb-th span,.lb-tr span{padding:12px 14px;border-bottom:1px solid var(--lb-border);}
.lb-tr{display:grid;grid-template-columns:140px 1fr 1.3fr 1fr;font-size:12.5px;color:var(--lb-text-light);transition:.2s;}
.lb-tr:nth-child(even){background:var(--lb-teal-light);}
.lb-tr:hover{background:#b2ebf2;}
.lb-name{font-weight:700;color:var(--lb-teal-dark);background:rgba(224,247,250,.6);font-size:13px!important;}
.lb-name small{color:var(--lb-text-light);font-weight:400;font-size:11px;}
.lb-norm{color:var(--lb-green);font-weight:700;}
.lb-sperm .lb-th,.lb-coag .lb-th{grid-template-columns:180px 1fr 1.4fr;}
.lb-sperm .lb-tr,.lb-coag .lb-tr{grid-template-columns:180px 1fr 1.4fr;}

.lb-notebox{background:var(--lb-teal-light);padding:20px 26px;border-left:5px solid var(--lb-teal);border-radius:0 6px 6px 0;}
.lb-notegreen{background:var(--lb-green-light);border-left-color:var(--lb-green);}
.lb-notebox h4{color:var(--lb-teal-dark);font-size:15px;margin-bottom:10px;font-weight:700;}
.lb-notegreen h4{color:var(--lb-good-c);}
.lb-notebox ul{list-style:none;}
.lb-notebox ul li{font-size:13px;color:var(--lb-text-light);padding:5px 0;padding-left:18px;position:relative;line-height:1.7;}
.lb-notebox ul li::before{content:"✓";color:var(--lb-teal);font-weight:700;position:absolute;left:0;}
.lb-notebox p{font-size:13px;color:var(--lb-text-light);line-height:1.8;}
.lb-notebox p strong{color:var(--lb-teal-dark);}
.lb-small{font-size:12px;color:var(--lb-warn-c);margin-top:10px;font-style:italic;text-align:center;}

/* ovarian */
.lb-ovagrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.lb-ovacard{background:var(--lb-white);padding:26px;border-radius:8px;border-top:4px solid var(--lb-teal);}
.lb-ovacard h3{font-size:17px;color:var(--lb-teal-dark);font-weight:700;margin-bottom:14px;}
.lb-ovacard p{font-size:13px;color:var(--lb-text-light);line-height:1.8;margin-bottom:12px;}
.lb-reftable{margin-bottom:12px;border:1px solid var(--lb-border);border-radius:6px;overflow:hidden;}
.lb-refrow{display:grid;grid-template-columns:1.4fr 1fr;font-size:12.5px;padding:10px 14px;border-bottom:1px solid var(--lb-border);color:var(--lb-text-light);}
.lb-refrow:last-child{border-bottom:none;}
.lb-refrow > span:first-child{font-weight:700;color:var(--lb-teal-dark);}
.lb-good{background:var(--lb-good);}
.lb-good span:first-child{color:var(--lb-good-c);}
.lb-warn{background:#fff8e1;}
.lb-warn span:first-child{color:#f57f17;}
.lb-cau{background:#fff3e0;}
.lb-cau span:first-child{color:var(--lb-warn-c);}
.lb-bad{background:var(--lb-bad);}
.lb-bad span:first-child{color:var(--lb-bad-c);}

/* imaging cards */
.lb-imagegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.lb-imagecard{background:var(--lb-white);padding:20px;border-radius:8px;border:1px solid var(--lb-border);border-top:3px solid var(--lb-teal);transition:.2s;}
.lb-imagecard:hover{transform:translateY(-3px);box-shadow:0 6px 16px rgba(0,131,143,.1);}
.lb-imagecard h4{font-size:14px;color:var(--lb-teal-dark);margin-bottom:10px;font-weight:700;}
.lb-imagecard p{font-size:12.5px;color:var(--lb-text-light);line-height:1.7;}

/* genetic */
.lb-genegrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.lb-genecard{background:var(--lb-white);padding:24px;border-radius:8px;border-left:4px solid var(--lb-blue);}
.lb-genecard h3{font-size:16px;color:var(--lb-blue);margin-bottom:12px;font-weight:700;}
.lb-genecard p{font-size:13px;color:var(--lb-text-light);line-height:1.8;margin-bottom:8px;}
.lb-genecard p strong{color:var(--lb-teal-dark);}

/* tube */
.lb-tube{background:var(--lb-teal-light);}
.lb-tubegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.lb-tubecard{background:var(--lb-white);padding:22px;border-radius:8px;border-top:4px solid var(--lb-teal);}
.lb-tubecard:nth-child(2){border-top-color:#ff9800;}
.lb-tubecard:nth-child(3){border-top-color:#c62828;}
.lb-tubecard:nth-child(4){border-top-color:#1976d2;}
.lb-tubecard:nth-child(5){border-top-color:#7b1fa2;}
.lb-tubecard:nth-child(6){border-top-color:#607d8b;}
.lb-tubecard h4{font-size:14px;color:var(--lb-teal-dark);font-weight:700;margin-bottom:8px;line-height:1.5;}
.lb-tubecard p{font-size:12.5px;color:var(--lb-text-light);line-height:1.7;}

/* faq */
.lb-faqlist{max-width:900px;margin:0 auto;}
.lb-faqitem{background:var(--lb-white);border:1px solid var(--lb-border);margin-bottom:10px;border-radius:6px;overflow:hidden;}
.lb-faqitem summary{padding:15px 22px;cursor:pointer;font-weight:700;color:var(--lb-teal-dark);font-size:14.5px;list-style:none;position:relative;padding-right:44px;background:var(--lb-teal-light);}
.lb-faqitem summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--lb-teal);font-weight:900;}
.lb-faqitem[open] summary::after{content:"−";}
.lb-faqitem p{padding:14px 22px;font-size:13.5px;color:var(--lb-text-light);line-height:1.8;}
.lb-faqitem p strong,.lb-faqitem p em{color:var(--lb-teal-dark);font-weight:700;}

/* about */
.lb-aboutbox{background:linear-gradient(135deg,var(--lb-teal-light),var(--lb-white));padding:44px 40px;text-align:center;border:1px solid var(--lb-border);border-radius:10px;}
.lb-aboutbox h2{font-size:28px;font-weight:900;color:var(--lb-teal-dark);margin-bottom:14px;}
.lb-aboutbox > p{font-size:15px;color:var(--lb-text-light);max-width:760px;margin:0 auto 32px;line-height:1.8;}
.lb-about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:left;}
.lb-about-grid > div{background:var(--lb-white);padding:24px;border-radius:8px;border-left:4px solid var(--lb-teal);}
.lb-about-grid h4{font-size:15px;color:var(--lb-teal-dark);margin-bottom:10px;font-weight:700;}
.lb-about-grid p{font-size:13px;color:var(--lb-text-light);line-height:1.7;}

/* news */
ul.article-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;list-style:none;margin:0;padding:0;width:100%;box-sizing:border-box;}
ul.article-cards > li.article-card{min-width:0;width:auto;max-width:none;margin:0;float:none;box-sizing:border-box;background:var(--lb-white);overflow:hidden;border-radius:8px;border:1px solid var(--lb-border);transition:.3s;}
ul.article-cards > li.article-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,131,143,.1);}
.article-card .card-thumb{width:100%;overflow:hidden;}
.article-card .card-thumb img{display:block;width:100%;max-width:100%;height:180px;object-fit:cover;}
.article-card .card-title{overflow-wrap:anywhere;font-size:15px;font-weight:700;color:var(--lb-teal-dark);padding:14px 16px 8px;}
.article-card .card-date{display:block;font-size:12px;color:var(--lb-teal);padding:0 16px 8px;}
.article-card .card-summary{overflow-wrap:anywhere;font-size:13px;color:var(--lb-text-light);padding:0 16px 16px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* cta */
.lb-cta{background:linear-gradient(135deg,var(--lb-teal-dark),var(--lb-teal));color:#fff;text-align:center;padding:70px 0;}
.lb-cta h2{font-size:28px;font-weight:900;margin-bottom:14px;}
.lb-cta p{font-size:15px;opacity:.95;margin-bottom:28px;max-width:640px;margin-left:auto;margin-right:auto;}
.lb-cta .lb-btn{background:#fff;color:var(--lb-teal-dark);font-weight:900;}
.lb-cta .lb-btn:hover{background:var(--lb-teal-light);}

/* detail */
.lb-detail{padding:40px 0 60px;background:var(--lb-bg);}
.lb-article{max-width:820px;margin:40px auto 0;background:var(--lb-white);padding:44px;border-radius:8px;box-shadow:0 4px 20px rgba(0,131,143,.08);border-top:4px solid var(--lb-teal);}
.lb-article h1{font-size:28px;color:var(--lb-teal-dark);font-weight:900;margin-bottom:14px;line-height:1.4;}
.lb-meta{font-size:13px;color:var(--lb-teal);margin-bottom:24px;padding-bottom:14px;border-bottom:1px dashed var(--lb-border);}
.lb-cover{margin-bottom:24px;}
.lb-cover img{width:100%;height:auto;border-radius:6px;}
.lb-summary{background:var(--lb-teal-light);padding:18px 22px;border-left:4px solid var(--lb-teal);font-size:15px;color:var(--lb-text-light);margin-bottom:28px;line-height:1.8;border-radius:0 6px 6px 0;}
.lb-content{font-size:15px;line-height:1.9;color:var(--lb-text);}
.lb-content h2,.lb-content h3{color:var(--lb-teal-dark);font-weight:700;margin:28px 0 14px;}
.lb-content h2{font-size:22px;}
.lb-content h3{font-size:18px;}
.lb-content p{margin-bottom:14px;}
.lb-content img{max-width:100%;margin:14px 0;border-radius:6px;}
.lb-disclaimer{margin-top:36px;padding:20px;background:#fff8e1;border-left:4px solid #ffa000;font-size:13px;color:#795548;border-radius:0 6px 6px 0;}
.lb-disclaimer h4{color:#f57c00;margin-bottom:8px;}
.lb-related{margin-top:40px;padding-top:30px;border-top:1px solid var(--lb-border);}
.lb-related h4{font-size:17px;color:var(--lb-teal-dark);margin-bottom:16px;font-weight:700;}
.lb-rlinks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:24px;}
.lb-rlinks a{padding:12px;background:var(--lb-teal-light);font-size:14px;color:var(--lb-teal-dark);text-align:center;font-weight:600;border-radius:6px;}
.lb-rlinks a:hover{background:var(--lb-teal);color:#fff;}
.lb-rcta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.lb-btn-outline{background:transparent;color:var(--lb-teal-dark);border:2px solid var(--lb-teal-dark);}
.lb-btn-outline:hover{background:var(--lb-teal-dark);color:#fff;}

/* footer */
.lb-footer{background:linear-gradient(135deg,#00363a,#001f22);color:#80cbc4;padding:60px 0 20px;}
.lb-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px;}
.lb-fbrand h3{color:#fff;font-size:19px;font-weight:900;margin-bottom:14px;}
.lb-fbrand p{font-size:13px;line-height:1.8;margin-bottom:18px;}
.lb-ftel{color:#4dd0e1;font-size:18px;font-weight:700;}
.lb-footer-grid h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.lb-footer-grid a{display:block;font-size:13px;color:#80cbc4;padding:5px 0;}
.lb-footer-grid a:hover{color:#fff;}
.lb-copy{border-top:1px solid #00545b;padding-top:20px;font-size:12px;display:flex;gap:24px;flex-wrap:wrap;justify-content:center;}
.lb-copy a{color:#80cbc4;}
.lb-copy a:hover{color:#fff;}

@media(max-width:960px){
  .lb-burger{display:block;}
  .lb-nav{display:none;position:absolute;top:80px;left:0;right:0;background:var(--lb-white);flex-direction:column;padding:10px 20px;gap:0;box-shadow:0 4px 16px rgba(0,0,0,.08);}
  .lb-nav.lb-open{display:flex;}
  .lb-nav a{padding:12px 0;border-bottom:1px solid var(--lb-border);}
  .lb-herogrid{grid-template-columns:1fr;}
  .lb-hero h1{font-size:30px;}
  .lb-ovagrid,.lb-genegrid,.lb-tubegrid,.lb-imagegrid,.lb-about-grid,.lb-rlinks,.lb-footer-grid{grid-template-columns:1fr!important;}
  .lb-imagegrid{grid-template-columns:repeat(2,1fr)!important;}
  .lb-tipbox{flex-direction:column;gap:12px;padding:18px 22px;}
  .lb-article{padding:24px;}
  section{padding:50px 0;}
}
@media(max-width:600px){.lb-imagegrid{grid-template-columns:1fr!important;}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}