:root{
    --steel-deep:#48433b;
    --steel-mid:#7a7265;
    --steel-light:#efe9dd;
    --steel-line:#e4dccc;
    --ink:#48433b;
    --muted:#7a7265;
    --brass:#a99a80;
    --brass-dk:#8a6a4e;
    --line-green:#06C755;
    --card:#faf8f2;
    --maxw:1140px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:"Noto Sans TC",system-ui,sans-serif;color:var(--ink);background:#f4f1ea;line-height:1.75;font-size:16px;letter-spacing:.01em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  h1,h2,h3{font-family:"Noto Serif TC","Songti TC","Noto Sans TC",serif;line-height:1.35;font-weight:500;letter-spacing:.04em}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
  .eyebrow{font-size:.82rem;font-weight:700;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
  .skip-link{position:absolute;left:-9999px;top:0;background:var(--steel-deep);color:#f4f1ea;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
  .skip-link:focus{left:0}

  header{position:sticky;top:0;z-index:50;background:rgba(244,241,234,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--steel-line)}
  .bar{display:flex;align-items:center;gap:18px;height:68px}
  .brand{display:flex;align-items:center;gap:11px;font-family:"Noto Serif TC",serif;font-weight:500;font-size:1.12rem;color:var(--steel-deep);flex-shrink:0}
  .brand img{height:38px;width:38px}
  .brand small{display:block;font-family:"Noto Sans TC";font-weight:500;font-size:.66rem;letter-spacing:.18em;color:var(--muted)}
  .brand > span,nav.main a{white-space:nowrap}
  nav.main{margin-left:auto;display:flex;gap:clamp(12px,1.6vw,26px);flex-shrink:1;min-width:0}
  nav.main a{font-size:clamp(.82rem,1.05vw,.95rem);font-weight:500;color:var(--ink);padding:4px 0}
  nav.main a:hover{color:var(--steel-mid)}
  nav.main a.nav-line-only{display:none}
  .hd-contact{margin-left:26px;color:var(--line-green);font-size:14px;font-weight:500;border-bottom:1.5px solid var(--line-green);padding-bottom:2px;white-space:nowrap;transition:opacity .2s ease}
  .hd-contact:hover{opacity:.6}
  .nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:0;background:transparent;border-radius:8px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;color:var(--steel-deep)}
  .nav-toggle span{display:block;width:20px;height:1.5px;background:currentColor;transition:transform .2s ease,opacity .2s ease;border-radius:1px}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .nav-backdrop{display:none;position:fixed;inset:0;top:68px;background:rgba(72,67,59,.28);z-index:45}
  .nav-backdrop.show{display:block}

  .hero{padding:62px 0 68px}
  .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  .hero h1{font-size:clamp(2.15rem,4.6vw,3.65rem);color:var(--steel-deep);margin:20px 0 22px;line-height:1.38}
  .lead{font-size:1.08rem;color:#6a6254;line-height:1.95;max-width:42em}
  .hero-cta{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;align-items:center}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:0;font-weight:500;font-size:.98rem;padding:6px 2px;white-space:nowrap;border:none;background:transparent;transition:opacity .2s ease}
  .btn:hover{opacity:.58}
  .btn-line{color:var(--line-green);border-bottom:1.5px solid var(--line-green)}
  .btn-call{color:var(--steel-deep);border-bottom:1.5px solid var(--steel-deep)}
  .trust{margin-top:26px;color:var(--muted);font-size:.9rem}
  .hero-media{border-radius:4px;overflow:hidden;border:1px solid var(--steel-line);background:var(--steel-light)}
  .hero-media img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}

  .pad{padding:78px 0}
  .alt{background:var(--steel-light)}
  .sec-head{max-width:760px;margin:0 auto 42px;text-align:center}
  .sec-head h2{font-size:clamp(1.75rem,3.2vw,2.45rem);color:var(--steel-deep);margin:12px 0}
  .sec-head p{color:#6a6254}
  .check-list,.plain-list{max-width:820px;margin:0 auto;list-style:none;border-top:1px solid var(--steel-line)}
  .check-list li,.plain-list li{padding:17px 8px;border-bottom:1px solid var(--steel-line);color:#6a6254}
  .check-list li::before{content:"✓";color:#b8472e;margin-right:12px;font-weight:700}
  .conclusion{max-width:820px;margin:30px auto 0;color:var(--steel-deep);line-height:1.95}
  .reason-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--steel-line);background:var(--card)}
  .reason{padding:34px 28px;border-left:1px solid var(--steel-line)}
  .reason:first-child{border-left:0}
  .reason .n{font-family:"Noto Serif TC",serif;color:#b8472e;font-size:1.8rem;margin-bottom:12px}
  .reason p{color:#6a6254}
  .closing{text-align:center;color:var(--steel-deep);margin-top:28px}

  .compare-wrap{overflow-x:auto;border:1px solid var(--steel-line);background:var(--card)}
  table{border-collapse:collapse;width:100%;min-width:700px}
  th,td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--steel-line);border-left:1px solid var(--steel-line)}
  th:first-child,td:first-child{border-left:0}
  th{font-family:"Noto Serif TC",serif;font-weight:500;color:var(--steel-deep);background:var(--steel-light)}
  td:first-child{font-weight:700;color:var(--steel-deep)}
  tr:last-child td{border-bottom:0}
  blockquote{max-width:820px;margin:32px auto 0;padding:24px 28px;border-left:3px solid #b8472e;background:var(--card);color:#6a6254;line-height:1.9}

  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .step{border-top:1px solid var(--steel-line);padding-top:20px}
  .step .n{font-family:"Noto Serif TC",serif;font-size:2rem;color:#d0c3ad}
  .step h3{font-size:1.12rem;color:var(--steel-deep);margin:10px 0 8px}
  .step p{color:#6a6254;font-size:.94rem}
  .price-box{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--steel-line);padding:38px}
  .price-main{font-family:"Noto Serif TC",serif;font-size:clamp(1.55rem,3vw,2.1rem);color:var(--steel-deep);margin-bottom:18px}
  .price-box p{color:#6a6254;margin-top:12px}

  .faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--steel-line)}
  .faq{border-bottom:1px solid var(--steel-line)}
  .faq summary{list-style:none;cursor:pointer;padding:22px 4px;font-family:"Noto Serif TC",serif;font-weight:500;font-size:1.06rem;color:var(--steel-deep);display:flex;justify-content:space-between;align-items:center;gap:16px}
  .faq summary::-webkit-details-marker{display:none}
  .faq .pm{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--steel-line);display:flex;align-items:center;justify-content:center;color:#b8472e;transition:transform .2s ease}
  .faq[open] .pm{transform:rotate(45deg);border-color:#b8472e}
  .faq .ans{padding:0 4px 22px;color:#6a6254;line-height:1.85}

  .final{text-align:center;padding:74px 0}
  .final h2{font-size:clamp(1.8rem,3.5vw,2.55rem);color:var(--steel-deep);margin-bottom:18px}
  .final p{color:#6a6254;font-size:1.05rem}
  .final .hero-cta{justify-content:center}
  footer{background:var(--steel-light);color:#8a857a;padding:48px 0 30px;font-size:.95rem}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;margin-bottom:32px}
  footer h4{color:var(--steel-deep);font-family:"Noto Sans TC";font-size:1rem;font-weight:700;margin-bottom:14px;letter-spacing:.05em}
  footer a:hover{color:var(--steel-deep)}
  .foot-grid p{margin-bottom:8px}
  .foot-bottom{border-top:1px solid var(--steel-line);padding-top:18px;font-size:.82rem;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
  .mcall{display:none}

  @media(max-width:980px){
    .nav-toggle{display:inline-flex}
    .hd-contact{display:none}
    nav.main{display:none;position:fixed;top:68px;left:0;right:0;z-index:55;flex-direction:column;gap:0;margin:0;padding:8px 0 16px;background:rgba(244,241,234,.98);border-bottom:1px solid var(--steel-line);box-shadow:0 12px 28px rgba(72,67,59,.08);max-height:calc(100vh - 68px);overflow:auto}
    nav.main.open{display:flex}
    nav.main a{padding:14px 22px;font-size:1rem;border-bottom:1px solid var(--steel-light)}
    nav.main a.nav-line-only{display:block;color:var(--line-green);font-weight:600}
    body.nav-open{overflow:hidden}
    .hero-grid{grid-template-columns:1fr;gap:34px}
    .reason-grid{grid-template-columns:1fr}
    .reason{border-left:0;border-top:1px solid var(--steel-line)}
    .reason:first-child{border-top:0}
    .steps{grid-template-columns:repeat(2,1fr)}
    .foot-grid{grid-template-columns:1fr}
  }
  @media(max-width:760px){
    body{padding-bottom:54px}
    .hero{padding:42px 0 52px}
    .pad{padding:58px 0}
    .steps{grid-template-columns:1fr}
    .price-box{padding:28px 22px}
    .mcall{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -6px 20px rgba(0,0,0,.12)}
    .mcall a{flex:1;text-align:center;padding:15px 0;font-weight:700;color:#fff;font-size:1.02rem}
    .mcall .c{background:var(--steel-deep)}
    .mcall .l{background:var(--line-green)}
  }

/* CSP 修正：原行內樣式轉 utility class（凱 2026-07-18） */
.u-frame{border:0;display:block}
.u-fs12{font-size:12px}
.u-fs16{font-size:16px}
.u-mapbox{margin-top:30px;border-radius:14px;overflow:hidden;border:1px solid #e4dccc}