/* OSAWELL 歐舒穩 新站 · GEO/SEO 最優化 · 紫色 CIS (官網 #655BA2 為基準) */
:root{
  /* 主色:深紫,醫療專業/睡眠 (原 OSAWELL CIS 深化) */
  --navy:#2a2454;       /* 名稱保留 navy 以避免改動 selector,但實為深紫 */
  --navy-d:#1c1840;
  --purple:#655BA2;     /* OSAWELL 官網 accent 紫,輔色 */
  --purple-l:#efedf6;   /* 紫淺底 */
  /* 輔色:呼吸科技青(呼吸道/氧氣)淡化保留作為對比點綴 */
  --teal:#655BA2;       /* 把 teal 別名 = 紫色,讓既有元素統一紫色系 */
  --teal-l:#efedf6;
  --gold:#c9a227;       /* 點綴:專利/權威金 */
  --ink:#1a1830; --gray:#5a5670; --line:#e7e5ef; --bg:#ffffff; --soft:#f7f6fb;
  --ok:#2e9e6b;
  --sans:'Noto Sans TC',-apple-system,sans-serif;
  --en:'Poppins',sans-serif;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:72px 0}
h1,h2,h3{line-height:1.3;font-weight:700;letter-spacing:-.01em}
.eyebrow{color:var(--teal);font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.lead{font-size:18px;color:var(--gray);line-height:1.85}

/* 導覽 */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;max-width:var(--maxw);margin:0 auto;padding:14px 24px}
.logo{font-family:var(--en);font-weight:800;font-size:24px;color:var(--navy);letter-spacing:-.02em;display:inline-flex;align-items:center;line-height:1}
.logo span{color:var(--purple)}
.logo img,.logo svg{height:32px;width:auto;display:block;color:var(--navy)}
.hero .logo img,.hero .logo svg,.footer .logo img,.footer .logo svg{color:#fff}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center;font-size:15px;font-weight:500}
.nav-links a{color:var(--ink);transition:color .2s}
.nav-links a:hover{color:var(--teal)}
.nav-cta{background:#06C755;color:#fff!important;padding:9px 20px;border-radius:8px;font-weight:600;
    box-shadow:0 4px 12px rgba(6,199,85,.28);transition:all .2s}
.nav-cta:hover{background:#05A647;box-shadow:0 6px 16px rgba(6,199,85,.4);transform:translateY(-1px)}

/* 按鈕 */
.btn{display:inline-block;font-weight:600;padding:14px 30px;border-radius:8px;font-size:16px;transition:all .2s;cursor:pointer;border:none}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--teal);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy);border:2px solid var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-d) 100%);color:#fff;padding:90px 0;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-10%;top:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(27,169,197,.25),transparent 70%);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:42px;color:#fff;margin-bottom:20px}
.hero h1 .hl{color:var(--teal)}
.hero .lead{color:#c5d4e3}
.hero-proof{display:flex;gap:28px;margin:28px 0;flex-wrap:wrap}
.hero-proof .p{display:flex;flex-direction:column}
.hero-proof .n{font-family:var(--en);font-weight:800;font-size:26px;color:var(--teal)}
.hero-proof .l{font-size:13px;color:#9fb3c8}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hero-cta .btn-primary{background:var(--teal)}
.hero-cta .btn-primary:hover{background:#fff;color:var(--navy)}
.hero-cta .btn-ghost{color:#fff;border-color:#fff}
.hero-cta .btn-ghost:hover{background:#fff;color:var(--navy)}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:28px;backdrop-filter:blur(8px)}
.hero-card h3{color:#fff;font-size:17px;margin-bottom:14px}
.hero-card .ph{aspect-ratio:4/3;background:rgba(255,255,255,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#9fb3c8;font-size:13px;text-align:center;padding:20px}
.hero-product{width:100%;height:auto;border-radius:10px;background:rgba(255,255,255,.06);padding:8px;display:block}

/* 答案優先區塊(GEO:定義句開頭) */
.answer-box{background:var(--teal-l);border-left:4px solid var(--teal);border-radius:0 12px 12px 0;padding:24px 28px;margin:0 0 8px}
.answer-box p{font-size:17px;color:var(--ink);margin:0}

/* 區塊標題 */
.sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.sec-head h2{font-size:32px;color:var(--navy)}
.sec-head .lead{margin-top:14px}
.bg-soft{background:var(--soft)}

/* 統計帶 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;padding:28px 16px;background:#fff;border-radius:14px;border:1px solid var(--line)}
.stat .n{font-family:var(--en);font-weight:800;font-size:38px;color:var(--navy);line-height:1}
.stat .n .u{font-size:18px;color:var(--teal)}
.stat .l{font-size:14px;color:var(--gray);margin-top:8px}

/* 特點卡 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;transition:all .2s}
.card:hover{box-shadow:0 12px 30px rgba(14,42,71,.1);transform:translateY(-3px);border-color:var(--teal)}
.card .ic{width:52px;height:52px;border-radius:12px;background:var(--teal-l);color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;margin-bottom:16px}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px}
.card p{color:var(--gray);font-size:15px}

/* 症狀格 */
.sym-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.sym{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;font-size:15px;display:flex;align-items:center;gap:10px}
.sym::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);flex-shrink:0}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.step{position:relative;padding:30px;background:#fff;border-radius:14px;border:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-18px;left:30px;width:40px;height:40px;background:var(--navy);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--en);font-weight:700;font-size:18px}
.step h3{color:var(--navy);font-size:18px;margin:10px 0 8px}
.step p{color:var(--gray);font-size:15px}

/* 顧問團 */
.advisors{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.adv{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column}
.adv-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:14px}
.adv-photo{width:84px;height:84px;border-radius:50%;object-fit:cover;background:var(--soft);border:2px solid var(--teal-l);flex-shrink:0}
.adv-photo-fallback{display:flex;align-items:center;justify-content:center;font-family:var(--en);font-weight:700;font-size:24px;color:var(--teal);background:var(--teal-l)}
.adv-meta{flex:1;min-width:0}
.adv h3{font-size:17px;color:var(--navy);margin-bottom:4px;line-height:1.3}
.adv .role{font-size:13px;color:var(--teal);font-weight:600;margin:0 0 8px}
.adv-affil{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--gray);line-height:1.4}
.adv-flag{font-size:18px;line-height:1;flex-shrink:0}
.adv-affil span{flex:1;min-width:0}
.adv .bio{font-size:13.5px;color:var(--gray);line-height:1.7;margin-bottom:8px}
.adv details{margin-top:auto;font-size:12.5px}
.adv details summary{cursor:pointer;color:var(--teal);font-weight:600;padding:6px 0;list-style:none}
.adv details summary::-webkit-details-marker{display:none}
.adv details summary::before{content:"▸ ";font-size:11px}
.adv details[open] summary::before{content:"▾ "}
.adv .bio-alt{color:#7d93a8;line-height:1.65;font-size:12.5px;padding:8px 0 0;border-top:1px dashed var(--line);margin-top:6px}

/* 產品照片展示 */
.product-showcase{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;margin:0 auto 40px;max-width:980px;align-items:center}
.product-showcase img{width:100%;height:auto;border-radius:14px;background:var(--soft);padding:12px;border:1px solid var(--line);object-fit:contain}
@media(max-width:760px){.product-showcase{grid-template-columns:1fr}}

/* News 區塊 */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:all .2s}
.news-card:hover{box-shadow:0 12px 30px rgba(14,42,71,.1);transform:translateY(-3px);border-color:var(--teal)}
.news-card .ph{aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.news-card .ph img{width:100%;height:100%;object-fit:cover}
.news-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card .meta{font-size:13px;color:var(--teal);font-weight:600;margin-bottom:8px;letter-spacing:.04em}
.news-card h3{font-size:16px;color:var(--navy);line-height:1.45;margin-bottom:10px}
.news-card p{font-size:14px;color:var(--gray);line-height:1.7;flex:1}
.news-card .more{margin-top:14px;font-size:13.5px;color:var(--teal);font-weight:600}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq summary{padding:20px 24px;font-weight:600;font-size:16.5px;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--teal);flex-shrink:0}
.faq[open] summary::after{content:"−"}
.faq .a{padding:0 24px 22px;color:var(--gray);font-size:15.5px}

/* 認證帶 */
.cert-band{background:var(--navy);color:#fff;border-radius:16px;padding:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;text-align:center}
.cert-band .c .n{font-family:var(--en);font-weight:700;font-size:20px;color:var(--teal)}
.cert-band .c .l{font-size:14px;color:#c5d4e3;margin-top:6px}

/* CTA */
.cta-band{background:linear-gradient(135deg,var(--teal) 0%,var(--navy) 100%);color:#fff;text-align:center;border-radius:20px;padding:56px 32px}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:14px}
.cta-band p{color:#dbe8f0;max-width:640px;margin:0 auto 26px}
.cta-band .btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:var(--navy)}
.cta-band .btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.25)}
.cta-band .btn-ghost{background:transparent;color:#fff;border:2px solid #fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--navy)}

/* === v10 Symptom Q&A 區塊 (AEO/GEO LLM 引用優化) === */
.symptom-qa{margin-top:56px}
.sec-head-sub{text-align:left;max-width:none;margin-bottom:24px}
.sec-head-sub .eyebrow{color:var(--teal);font-weight:700;letter-spacing:.12em;font-size:13px;
    text-transform:uppercase;margin-bottom:10px}
.sec-head-sub h2{font-size:28px;color:var(--navy);line-height:1.35;margin-bottom:10px}
.sec-head-sub .lead{color:#3b4452;line-height:1.7}
.sq-list{display:flex;flex-direction:column;gap:10px}
.sq-item{background:#fff;border:1px solid #e8e3f0;border-radius:14px;
    transition:box-shadow .25s,border-color .25s}
.sq-item[open]{box-shadow:0 10px 28px rgba(63,59,110,.10);border-color:#c8bee0}
.sq-item summary{list-style:none;cursor:pointer;padding:20px 24px 20px 56px;
    font-weight:700;color:var(--navy);position:relative;line-height:1.5;font-size:16px}
.sq-item summary::-webkit-details-marker{display:none}
.sq-item summary::before{content:"?";position:absolute;left:20px;top:50%;
    transform:translateY(-50%);width:24px;height:24px;border-radius:50%;
    background:var(--teal);color:#fff;font-size:13px;font-weight:700;
    display:flex;align-items:center;justify-content:center}
.sq-item summary::after{content:"+";position:absolute;right:24px;top:50%;
    transform:translateY(-50%);font-size:22px;color:var(--teal);font-weight:300;
    transition:transform .25s}
.sq-item[open] summary::after{content:"−"}
.sq-a{padding:0 24px 22px 56px;color:#3b4452;line-height:1.85;font-size:15px}
.sq-a strong{color:#a01c2c;font-weight:700}

/* === v10 5 題自我檢測 (Self-check Quiz) === */
.self-check{margin-top:56px;background:linear-gradient(135deg,#f7f5fb 0%,#eee9f6 100%);
    border-radius:24px;padding:42px 36px;border:1px solid #e0d7ed}
.sc-head{margin-bottom:24px}
.sc-head .eyebrow{color:var(--teal);font-weight:700;letter-spacing:.12em;font-size:13px;
    text-transform:uppercase;margin-bottom:10px}
.sc-head h2{font-size:26px;color:var(--navy);margin-bottom:10px;line-height:1.35}
.sc-head .lead{color:#3b4452;line-height:1.7;font-size:14.5px}
.qz-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.qz-row{display:flex;align-items:center;gap:14px;background:#fff;
    border:1px solid #e8e3f0;border-radius:12px;padding:14px 18px;
    cursor:pointer;transition:all .2s}
.qz-row:hover{border-color:var(--teal);background:#fff}
.qz-row:has(.qz-cb:checked){background:#fff;border-color:var(--teal);
    box-shadow:0 4px 12px rgba(0,0,0,.06)}
.qz-cb{width:20px;height:20px;accent-color:var(--teal);cursor:pointer}
.qz-n{font-weight:700;color:var(--teal);font-family:var(--en);font-size:15px;
    min-width:18px;text-align:center}
.qz-text{flex:1;color:var(--ink);font-size:15px;line-height:1.5}
.qz-result{background:#fff;border-radius:14px;padding:20px 22px;
    border-left:4px solid var(--teal);margin-bottom:20px}
.qz-result.lvl-low{border-left-color:#0a8a3a}
.qz-result.lvl-mid{border-left-color:#d97700}
.qz-result.lvl-high{border-left-color:#a01c2c}
.qz-result .qz-label{font-weight:800;font-size:14px;color:var(--navy);
    text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:6px}
.qz-result .qz-text2{color:#3b4452;line-height:1.7;font-size:14.5px;margin:0}
.qz-cta{display:inline-block;text-align:center}

/* === v9 OSA 三大致命共病區塊 (Apple 美學 · 滿版照片 + 詳述卡片) === */
.osa-comorbidities{margin-top:64px;display:flex;flex-direction:column;gap:48px}
.co-intro{text-align:center;max-width:760px;margin:0 auto}
.co-intro .eyebrow{color:var(--teal);font-weight:700;letter-spacing:.12em;font-size:13px;
    text-transform:uppercase;margin-bottom:14px}
.co-intro .co-lead{font-size:20px;line-height:1.7;color:#3b4452;font-weight:400}
/* Apple 式滿版病患照片 + 漸層 overlay */
.osa-photo{position:relative;border-radius:24px;overflow:hidden;
    box-shadow:0 20px 60px -15px rgba(0,0,0,.35)}
.osa-photo img{display:block;width:100%;height:auto;
    filter:saturate(.88) brightness(.96) contrast(1.06)}
/* 第一張橫圖 (16:9) */
.osa-photo-01 img{aspect-ratio:1800/949;object-fit:cover}
/* 第二張直一些 (3:2) */
.osa-photo-02 img{aspect-ratio:3/2;object-fit:cover;max-height:560px}
.osa-photo::after{content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg, transparent 50%, rgba(15,18,35,.42) 100%)}

/* 共病 3 卡片 (高對比 + 醫療權威感) */
.co-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.co-card{background:#fff;border:1px solid #e8e3f0;border-radius:18px;padding:30px 26px;
    box-shadow:0 8px 24px rgba(63,59,110,.06);display:flex;flex-direction:column;gap:18px;
    transition:transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s}
.co-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(63,59,110,.14)}
.co-head{display:flex;gap:14px;align-items:flex-start;padding-bottom:14px;
    border-bottom:1px solid #f0eaf6}
.co-icon{font-size:34px;line-height:1;flex-shrink:0}
.co-head h3{font-size:18px;color:var(--navy);font-weight:700;line-height:1.4;margin:0}
.co-block{display:flex;flex-direction:column;gap:6px}
.co-label{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
    color:var(--teal);margin:0}
.co-evidence .co-label{color:#a01c2c}
.co-text{font-size:14.5px;line-height:1.75;color:#3b4452;margin:0}
.co-refs{background:#f7f5fb;border-radius:14px;padding:24px 28px}
.co-refs h4{color:var(--navy);font-size:13px;font-weight:700;letter-spacing:.08em;
    text-transform:uppercase;margin-bottom:10px}
.co-refs ul{list-style:disc;padding-left:22px;color:#5b5474}
.co-refs li{font-size:13.5px;line-height:1.7;margin:4px 0}

/* === v9 (續) 女性 OSA 共病區塊:Apple 並排 layout (sticky 照片 + accordion 5 範疇) === */
.osa-female{display:grid;grid-template-columns:1fr 1.35fr;gap:42px;align-items:start;
    margin-top:8px}
.of-photo{position:sticky;top:88px;border-radius:24px;overflow:hidden;
    box-shadow:0 20px 60px -15px rgba(0,0,0,.35)}
.of-photo img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;
    filter:saturate(.88) brightness(.96) contrast(1.06)}
.of-photo::after{content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg, transparent 55%, rgba(15,18,35,.4) 100%)}
.of-content{display:flex;flex-direction:column;gap:18px}
.of-content > h3{color:var(--navy);font-size:26px;line-height:1.4;font-weight:800;margin:0}
.of-lead{color:#3b4452;font-size:15.5px;line-height:1.85;margin:0}
.fc-doms{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.fc-dom{background:#fff;border:1px solid #e8e3f0;border-radius:14px;
    transition:box-shadow .25s}
.fc-dom[open]{box-shadow:0 8px 24px rgba(63,59,110,.08);border-color:#d7cfe6}
.fc-dom summary{list-style:none;cursor:pointer;padding:18px 22px;
    display:flex;align-items:center;gap:14px;font-weight:700;color:var(--navy);
    position:relative}
.fc-dom summary::-webkit-details-marker{display:none}
.fc-dom summary::after{content:"+";position:absolute;right:22px;top:50%;
    transform:translateY(-50%);font-size:24px;color:var(--teal);font-weight:300;
    transition:transform .25s}
.fc-dom[open] summary::after{content:"−"}
.fc-icon{font-size:24px;line-height:1;flex-shrink:0}
.fc-title{font-size:15.5px;line-height:1.45;flex:1;padding-right:34px}
.fc-bullets{list-style:none;padding:0 22px 22px 22px;margin:0;
    display:flex;flex-direction:column;gap:14px}
.fc-bullets li{font-size:14.5px;line-height:1.8;color:#3b4452;
    padding-left:18px;position:relative}
.fc-bullets li::before{content:"";position:absolute;left:0;top:.7em;
    width:6px;height:6px;border-radius:50%;background:var(--teal)}
.fc-bullets strong{color:var(--navy);font-weight:700}
.of-footnote{font-size:12.5px;color:#7d7591;line-height:1.7;margin-top:6px;
    padding-top:14px;border-top:1px dashed #e8e3f0;font-style:italic}

@media(max-width:880px){
  .co-grid{grid-template-columns:1fr;gap:18px}
  .co-intro .co-lead{font-size:17px}
  .osa-photo-01 img,.osa-photo-02 img{max-height:380px}
  /* 女性區改單欄 + 不 sticky */
  .osa-female{grid-template-columns:1fr;gap:24px}
  .of-photo{position:static;max-height:420px}
  .of-content > h3{font-size:22px}
}

/* (v10 響應式補丁移至檔尾以正確覆蓋舊 @media) */

/* === 臨床實證區塊 (v8 新增 AASM/AADSM 指南 + 全球趨勢) === */
#evidence .ce-blocks{display:flex;flex-direction:column;gap:24px;margin-top:36px}
#evidence .ce-block{background:#fff;border:1px solid #e6e0f0;border-left:4px solid var(--teal);
    border-radius:14px;padding:28px 30px;box-shadow:0 6px 18px rgba(63,59,110,.05)}
#evidence .ce-block h3{color:var(--navy);font-size:21px;margin-bottom:10px;font-weight:700;line-height:1.4}
#evidence .ce-block p{color:#3b4452;line-height:1.85;font-size:16px}
#evidence .ce-refs{margin-top:36px;padding:24px 28px;background:#f4f1f8;border-radius:12px}
#evidence .ce-refs h4{color:var(--navy);font-size:13px;font-weight:700;letter-spacing:.08em;
    text-transform:uppercase;margin-bottom:10px}
#evidence .ce-refs ul{list-style:disc;padding-left:22px;color:#5b5474}
#evidence .ce-refs li{font-size:14px;line-height:1.7;margin:4px 0}

/* Footer */
.footer{background:var(--navy-d);color:#c5d4e3;padding:54px 0 28px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer .logo{color:#fff;margin-bottom:12px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer a{display:block;color:#9fb3c8;margin-bottom:9px}
.footer a:hover{color:var(--teal)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;color:#7d93a8;font-size:13px;line-height:1.9}
.foot-bottom .cert{color:#9fb3c8}
.foot-bottom .ip{display:block;margin-top:10px;padding-top:10px;border-top:1px dashed rgba(255,255,255,.06);color:#7d93a8;font-size:12px}

@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .cards,.steps{grid-template-columns:1fr}
  .cert-band{grid-template-columns:1fr;gap:20px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .hero h1{font-size:32px}
  .sec-head h2{font-size:26px}
}

/* 語言切換器 */
.lang-switch{font-size:13px;color:var(--gray);white-space:nowrap;margin-left:8px}
.lang-switch a{color:var(--gray);transition:color .2s}
.lang-switch a:hover{color:var(--teal)}
@media(max-width:880px){.lang-switch{margin-left:0;width:100%;padding-top:8px;border-top:1px solid var(--line)}}

/* =============================================================
   v10 響應式補丁 (2026-06-03,放檔尾以正確覆蓋舊 @media):
   - 防 horizontal overflow
   - 中文 word-break (避免「客製化醫療級」斷在錯位)
   - mobile 顯示 nav 綠色 Line CTA + 隱藏其他選單
   - hero 在小螢幕的字級 + padding
   - OSA H2 + sym-grid 2 列
   - 女性 OSA 照片 4:3 aspect
   ============================================================= */
html,body{overflow-x:hidden;max-width:100vw}
img,video,iframe,svg{max-width:100%}
*,*::before,*::after{box-sizing:border-box}
h1,h2,h3{overflow-wrap:break-word}
.hero h1,.sec-head h2,.fc-title,.sq-item summary,.co-head h3{word-break:keep-all;line-break:strict}

@media(max-width:880px){
  /* nav: 整個一列 — logo 左、Line 諮詢按鈕右 */
  .nav-in{padding:10px 16px !important;gap:8px !important;flex-wrap:nowrap !important;
      display:flex !important;align-items:center !important;justify-content:space-between !important}
  .nav-in .logo{flex:0 0 auto;margin-right:auto}
  .nav-in .logo svg{width:108px;height:auto;display:block}
  .nav-links{display:flex !important;gap:0 !important;margin:0 !important;padding:0 !important;
      border:0 !important;width:auto !important;flex:0 0 auto !important;align-items:center !important}
  .nav-links a:not(.nav-cta){display:none !important}
  .nav-links .nav-cta{display:inline-flex !important;align-items:center !important;
      font-size:13px !important;padding:8px 16px !important;border-radius:8px !important;
      background:#06C755 !important;color:#fff !important;font-weight:700 !important;
      box-shadow:0 4px 12px rgba(6,199,85,.3) !important;line-height:1 !important}
  /* lang-switch 收到 footer 之上,nav 不顯示以節省空間 */
  .nav .lang-switch{display:none !important}

  /* hero — 字級降一階,padding 收 */
  .hero h1{font-size:28px !important;line-height:1.28;letter-spacing:-.01em}
  .hero .lead{font-size:14.5px;line-height:1.7}
  .hero{padding:54px 0 40px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%;text-align:center;padding:13px 18px;font-size:14.5px}
  .hero-proof{gap:18px}
  .hero-card{padding:20px}

  /* OSA H2 + 症狀格 2 列 */
  #osa .sec-head h2,#osa h2#symptoms{font-size:21px !important;line-height:1.45}
  .sym-grid{grid-template-columns:repeat(2,1fr) !important;gap:10px}
  .sym{font-size:13.5px;padding:13px 12px}

  /* Symptom Q&A */
  .sq-item summary{font-size:14.5px;padding:18px 46px 18px 50px}
  .sq-item summary::before{left:16px;width:22px;height:22px;font-size:12px}
  .sq-item summary::after{right:18px}
  .sq-a{padding:0 20px 20px 50px;font-size:14px}

  /* Quiz */
  .self-check{padding:32px 22px;border-radius:18px}
  .sc-head h2{font-size:20px}
  .qz-text{font-size:14px}
  .qz-row{padding:12px 14px}

  /* 女性區照片 4:3 */
  .of-photo img{aspect-ratio:4/3 !important;max-height:360px}

  /* footer 兩欄 */
  .foot-grid{grid-template-columns:1fr 1fr;gap:20px}
  .foot-grid > div:first-child{grid-column:1 / -1}
  .foot-bottom{padding-left:10px;padding-right:10px}
}

@media(max-width:480px){
  .wrap{padding:0 16px}
  .hero h1{font-size:25px !important;line-height:1.3}
  .hero h1 .hl{display:inline}
  .hero-proof .p .n{font-size:17px}
  .nav-links .nav-cta{font-size:12px;padding:6px 11px}
  .nav-in .logo svg{width:96px}
  .lang-switch{font-size:11.5px;width:100%;text-align:right;padding-top:6px}
  #osa .sec-head h2,#osa h2#symptoms{font-size:19px !important}
  .self-check{padding:26px 18px}
  .co-card,.ce-block{padding:22px 20px}
  .foot-grid{grid-template-columns:1fr}
}

/* Mobile footer lang-switch (替代 nav 內的) */
.lang-switch-mobile{display:none}
@media(max-width:880px){
  .footer .lang-switch-mobile{display:block !important;text-align:center;margin:0 auto 28px;
      padding:14px 16px;background:rgba(255,255,255,.04);border-radius:10px;font-size:13px;
      color:#9fb3c8 !important;border:0 !important;width:auto !important}
  .footer .lang-switch-mobile a{color:#c5d4e3 !important}
}

/* Mobile-only Line CTA (獨立元素,避開 nav-cta 的 CSS 衝突) */
.mobile-line-cta{display:none}
@media(max-width:880px){
  .mobile-line-cta{
    display:inline-flex !important;
    align-items:center;
    justify-content:center;
    background:#06C755;
    color:#fff !important;
    font-weight:700;
    font-size:13px;
    padding:8px 16px;
    border-radius:8px;
    box-shadow:0 4px 12px rgba(6,199,85,.3);
    white-space:nowrap;
    flex-shrink:0;
    line-height:1;
    text-decoration:none;
  }
}