/* OxyHealthcare 靜態網站樣式 */
:root{
  --navy:#0c3a63;
  --navy-dark:#082745;
  --blue:#1c73c9;
  --blue-light:#eaf3fb;
  --blue-pale:#f4f9fd;
  --text:#33424f;
  --text-light:#66788a;
  --border:#dbe6ef;
  --white:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.7;
  text-wrap:pretty;
}
a{color:var(--blue);text-decoration:none;}
a:hover{color:var(--navy);text-decoration:underline;}
/* height:auto 不可省 —— 所有 <img> 都帶了 width/height 屬性（為了消除 CLS），
   一旦被 max-width 縮小，沒有 height:auto 就會被屬性鎖死高度而拉伸變形 */
img{max-width:100%;height:auto;display:block;}
ul{list-style:none;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---- Top bar ---- */
.topbar{background:var(--navy-dark);color:#cfe0f0;font-size:13px;}
.topbar .container{display:flex;justify-content:flex-end;align-items:center;height:36px;gap:8px;}
.topbar a{color:#cfe0f0;}
.topbar strong{color:#fff;}

/* ---- Header ---- */
header.site-header{position:sticky;top:0;background:var(--white);z-index:100;border-bottom:1px solid var(--border);box-shadow:0 1px 6px rgba(12,58,99,.06);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:84px;gap:24px;}
.brand{display:flex;align-items:center;gap:14px;order:1;flex-shrink:0;}
.brand img{height:48px;width:auto;}
.brand-text{font-size:12px;color:var(--text-light);line-height:1.4;max-width:220px;}
.brand-text strong{display:block;font-size:18px;color:var(--navy);letter-spacing:.5px;}

/* 電話與 CTA 已在 topbar 呈現，header 不再重複，選單直接靠右 */
nav.main-nav{display:flex;align-items:center;order:2;min-width:0;margin-left:auto;}
.main-nav-inner{display:flex;align-items:center;gap:32px;}
nav.main-nav a{color:var(--navy);font-size:15px;font-weight:500;white-space:nowrap;}
nav.main-nav a:hover{color:var(--blue);text-decoration:none;}
nav.main-nav a.current{color:var(--blue);font-weight:700;}
/* 抽屜內才需要的 CTA，桌機隱藏。
   要用 nav.main-nav 加權，否則後面的 .btn{display:inline-flex} 同分勝出會蓋掉 */
nav.main-nav .nav-cta{display:none;}

.nav-toggle{display:none;}
.nav-backdrop{display:none;}
.hamburger{display:none;order:4;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:7px;cursor:pointer;flex-shrink:0;-webkit-tap-highlight-color:transparent;}
.hamburger span{display:block;height:3px;width:100%;background:var(--navy);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

.topbar a{color:#cfe0f0;font-weight:700;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:6px;font-weight:700;font-size:15px;
  border:2px solid transparent;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--navy);color:#fff;}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--border);}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);}

/* ---- Hero ---- */
.hero{
  /* --hero-bg 由 index.astro 帶入在地化後的 WebP 路徑 */
  background:
    linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.75) 45%, rgba(255,255,255,.2) 100%),
    var(--hero-bg, none) center right / cover no-repeat;
  padding:72px 0;
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.eyebrow{color:var(--blue);font-weight:700;letter-spacing:1px;font-size:14px;margin-bottom:14px;}
.hero h1{font-size:44px;color:var(--navy);line-height:1.35;margin-bottom:22px;font-weight:800;}
.hero p.lead{font-size:17px;color:var(--text-light);margin-bottom:30px;max-width:520px;}
.hero-actions{display:flex;gap:16px;margin-bottom:30px;flex-wrap:wrap;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}
.badge{background:var(--white);border:1px solid var(--border);color:var(--navy);font-size:13px;font-weight:600;padding:8px 14px;border-radius:20px;}
.hero-media{position:relative;border-radius:14px;overflow:hidden;box-shadow:0 20px 50px rgba(12,58,99,.15);}
.hero-media img{width:100%;height:100%;object-fit:cover;}

/* ---- Info cards ---- */
.section{padding:80px 0;}
.section-alt{background:var(--blue-pale);}
.section-head{margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:10px;}
.section-head h2{font-size:32px;color:var(--navy);font-weight:800;}
.section-head p{color:var(--text-light);margin-top:10px;font-size:16px;}
.section-head-row{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;}

.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:36px 30px;}
.card .icon{width:52px;height:52px;border-radius:12px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;margin-bottom:22px;color:var(--blue);font-size:24px;font-weight:800;}
.card h3{font-size:19px;color:var(--navy);margin-bottom:12px;font-weight:700;}
.card p{color:var(--text-light);font-size:15px;margin-bottom:16px;}
.card a.more{font-weight:700;font-size:14px;color:var(--blue);}

/* ---- Quote ---- */
.quote-band{background:var(--navy);color:#fff;padding:64px 0;text-align:center;}
.quote-band blockquote{font-size:28px;font-weight:800;margin-bottom:14px;}
.quote-band cite{font-style:normal;color:#bcd6ee;font-size:15px;}

/* ---- Table ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;}
table.compare{width:100%;border-collapse:collapse;background:#fff;min-width:720px;}
table.compare th,table.compare td{padding:16px 18px;border-bottom:1px solid var(--border);text-align:center;font-size:14px;}
table.compare th{background:var(--blue-pale);color:var(--navy);font-weight:700;}
table.compare td:first-child,table.compare th:first-child{text-align:left;font-weight:700;color:var(--navy);background:var(--blue-pale);}
table.compare img{height:80px;width:auto;margin:0 auto 8px;object-fit:contain;}
table.compare .model-name{font-weight:700;color:var(--navy);}

/* ---- Institutions ---- */
.region-block{margin-bottom:56px;}
.region-title{font-size:20px;color:var(--navy);font-weight:800;margin-bottom:22px;padding-left:14px;border-left:4px solid var(--blue);}
.inst-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.inst-card{display:block;background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;text-align:center;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
a.inst-card:hover{text-decoration:none;border-color:var(--blue);box-shadow:0 10px 26px rgba(12,58,99,.12);transform:translateY(-3px);}
.inst-card img{height:160px;width:160px;margin:0 auto 14px;object-fit:contain;}
.inst-card h4{font-size:15px;color:var(--navy);margin-bottom:6px;font-weight:700;}
a.inst-card:hover h4{color:var(--blue);}
.inst-card p{font-size:12.5px;color:var(--text-light);}

/* ---- Stats ---- */
.stats-band{background:linear-gradient(90deg,var(--navy),var(--blue));padding:48px 0;}
.stats-headline{color:#fff;font-size:24px;font-weight:800;text-align:center;margin:0;}
@media (max-width:600px){.stats-headline{font-size:19px;}}

/* ---- Page hero (inner pages) ---- */
.page-hero{background:linear-gradient(180deg,var(--blue-pale) 0%, #fff 100%);padding:56px 0;text-align:center;}
.page-hero h1{font-size:36px;color:var(--navy);font-weight:800;}
.breadcrumb{font-size:14px;color:var(--text-light);margin-bottom:14px;}

/* ---- Content blocks ---- */
.content-block{max-width:880px;margin:0 auto;}
.content-block h2{font-size:26px;color:var(--navy);font-weight:800;margin:44px 0 18px;}
.content-block h3{font-size:18px;color:var(--navy);font-weight:700;margin:26px 0 10px;}
.content-block p{margin-bottom:16px;font-size:16px;color:var(--text);}
.content-block ul.plain{margin-bottom:18px;}
.content-block ul.plain li{margin-bottom:10px;padding-left:18px;position:relative;font-size:16px;}
.content-block ul.plain li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:var(--blue);border-radius:50%;}
.figure{margin:28px 0;text-align:center;}
.figure img{border-radius:12px;margin:0 auto;}
.figure figcaption{font-size:13px;color:var(--text-light);margin-top:10px;}
.two-col-img{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0;}

.disease-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0;}
.disease-card{background:var(--blue-pale);border-radius:12px;padding:24px 26px;}
.disease-card h4{color:var(--navy);font-size:16px;font-weight:800;margin-bottom:10px;}
.disease-card p{font-size:14.5px;color:var(--text);margin:0;}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0;}
.feature-item{text-align:center;padding:24px 16px;border:1px solid var(--border);border-radius:12px;}
.feature-item img{height:48px;width:auto;margin:0 auto 14px;}
.feature-item p{font-size:14.5px;color:var(--navy);font-weight:600;}

.spec-table{width:100%;border-collapse:collapse;margin-bottom:30px;}
.spec-table th,.spec-table td{border:1px solid var(--border);padding:12px 16px;font-size:14.5px;text-align:left;}
.spec-table th{background:var(--blue-pale);color:var(--navy);width:35%;}

.reg-list{background:var(--blue-pale);border-radius:12px;padding:30px 34px;margin:26px 0;}
.reg-list li{margin-bottom:14px;font-size:16px;}

.map-frame{border:0;width:100%;height:360px;border-radius:12px;}
.form-frame{border:0;width:100%;height:900px;border-radius:12px;}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0;}
/* 兩張實機照一直一橫，用固定比例裁切才不會一高一矮 */
.contact-grid img{border-radius:12px;width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---- Footer ---- */
footer.site-footer{background:var(--navy-dark);color:#c7d8e8;padding-top:60px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-top h3{color:#fff;font-size:19px;margin-bottom:14px;font-weight:800;}
.footer-top p{font-size:14px;margin-bottom:18px;color:#a9c1d8;}
.footer-top img.contact-photo{border-radius:10px;max-width:220px;}
.footer-links a{display:block;color:#a9c1d8;font-size:14px;margin-bottom:12px;}
.footer-links a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0;font-size:13px;color:#8fa8c0;flex-wrap:wrap;gap:14px;}
.social-row{display:flex;gap:16px;}
.social-row a{color:#a9c1d8;font-size:13px;}
.social-row a:hover{color:#fff;}

@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;}
  .cards-3{grid-template-columns:1fr;}
  .inst-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr;text-align:center;}
  .footer-top img.contact-photo{margin:0 auto;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .social-row{justify-content:center;flex-wrap:wrap;}

  .hamburger{display:flex;}
  nav.main-nav{margin-left:0;}

  /* 抽屜掛在 header 下緣，不寫死 px —— header 高度變動也不會跑位 */
  nav.main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:block;
    background:#fff;
    border-top:1px solid var(--border);
    box-shadow:0 16px 40px rgba(12,58,99,.18);
    /* 選項再多也能捲；dvh 讓手機網址列伸縮時不破版 */
    max-height:calc(100dvh - 100%);
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
    transform:translateY(-8px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:transform .2s ease,opacity .2s ease,visibility .2s;
  }
  .main-nav-inner{flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;}
  nav.main-nav a{width:100%;padding:16px 0;border-bottom:1px solid var(--border);font-size:16px;}
  nav.main-nav a:last-child{border-bottom:none;}
  nav.main-nav .nav-cta{display:inline-flex;justify-content:center;margin-top:16px;border-bottom:none;}

  /* 點選單外側即關閉 */
  .nav-backdrop{position:fixed;inset:0;background:rgba(8,39,69,.35);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s;z-index:-1;}

  .nav-toggle:checked ~ .container .hamburger span:nth-child(1){transform:translateY(8px) rotate(45deg);}
  .nav-toggle:checked ~ .container .hamburger span:nth-child(2){opacity:0;}
  .nav-toggle:checked ~ .container .hamburger span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
  .nav-toggle:checked ~ .container nav.main-nav{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .nav-toggle:checked ~ .nav-backdrop{opacity:1;visibility:visible;pointer-events:auto;}

  .disease-grid,.features-grid,.two-col-img,.contact-grid{grid-template-columns:1fr;}
  table.compare{min-width:600px;}
}

/* ---- 文章底部 CTA ---- */
.article-cta{
  margin:48px 0 8px;padding:34px 30px;text-align:center;
  background:var(--blue-pale);border:1px solid var(--border);border-radius:14px;
}
.article-cta-lead{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:20px;}
.btn-line{background:#06c755;color:#fff;font-size:16px;padding:14px 32px;}
.btn-line:hover{background:#05a648;color:#fff;}
.article-cta-tel{font-size:14px;color:var(--text-light);margin:16px 0 0;}
.article-cta-tel a{font-weight:700;}

@media (max-width:600px){
  .article-cta{padding:26px 18px;}
  .btn-line{width:100%;justify-content:center;}
}

/* ---- 右側浮動聯絡選單（收合／展開，純 CSS） ---- */
.fab{position:fixed;right:18px;bottom:18px;z-index:200;}
.fab-toggle{position:absolute;opacity:0;width:0;height:0;pointer-events:none;}
.fab-backdrop{display:none;position:fixed;inset:0;background:rgba(8,39,69,.28);}
.fab-toggle:checked ~ .fab-backdrop{display:block;}

.fab-list{
  position:absolute;right:0;bottom:64px;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  margin:0;padding:0;list-style:none;
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translateY(10px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.fab-toggle:checked ~ .fab-list{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);}

/* 只放圖示，做成正圓 */
.fab-item{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;
  background:#fff;color:var(--navy);
  box-shadow:0 6px 18px rgba(12,58,99,.22);
}
.fab-item:hover{text-decoration:none;color:#fff;background:var(--blue);}
.fab-item:hover svg{fill:#fff;}
.fab-item svg{width:22px;height:22px;fill:var(--blue);flex-shrink:0;transition:fill .15s ease;}
.fab-tel:hover{background:#0c8a3e;}
.fab-line:hover{background:#06c755;}
.fab-fb:hover{background:#1877f2;}
.fab-ig:hover{background:#d62976;}
.fab-yt:hover{background:#ff0000;}
.fab-tt:hover{background:#000;}

.fab-main{
  position:relative;display:flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;
  background:var(--blue);cursor:pointer;
  box-shadow:0 8px 22px rgba(28,115,201,.42);
  transition:background .18s ease,transform .18s ease;
  -webkit-tap-highlight-color:transparent;
}
.fab-main:hover{background:var(--navy);}
.fab-main svg{width:26px;height:26px;fill:#fff;position:absolute;transition:opacity .18s ease,transform .18s ease;}
.fab-ico-close{opacity:0;transform:rotate(-90deg);}
.fab-toggle:checked ~ .fab-main{background:var(--navy);}
.fab-toggle:checked ~ .fab-main .fab-ico-open{opacity:0;transform:rotate(90deg);}
.fab-toggle:checked ~ .fab-main .fab-ico-close{opacity:1;transform:rotate(0);}

/* 鍵盤操作可見的焦點框 */
.fab-main:focus-visible,.hamburger:focus-visible,.fab-item:focus-visible{outline:3px solid var(--blue);outline-offset:3px;}

@media (max-width:600px){
  .fab{right:12px;bottom:12px;}
  .fab-item{height:42px;font-size:13px;}
  .fab-main{width:52px;height:52px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

@media (max-width:600px){
  .inst-grid{grid-template-columns:1fr;}
  .hero h1{font-size:32px;}
  .section-head h2{font-size:26px;}
  .quote-band blockquote{font-size:22px;}
  .header-inner{height:72px;}
  nav.main-nav{top:96px;}
  .inst-card img{width:120px;height:120px;}
}