:root{
  --paper:#F6F8FB;
  --surface:#FFFFFF;
  --ink:#0F1B2D;
  --ink-2:#3D5068;
  --ink-3:#6B7C93;
  --rule:#DDE5EF;
  --rule-2:#EDF1F7;
  --signal:#0B7A63;
  --signal-bg:#E7F4F0;
  --warn:#A8600A;
  --radius:10px;
  --measure:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
  font-size:16.5px;line-height:1.78;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"tnum";
  overflow-x:hidden;
}
h1,h2,h3{font-family:'Noto Serif TC',"Songti TC","Source Han Serif TC",Georgia,serif;font-weight:700;line-height:1.35;letter-spacing:.01em}
a{color:inherit}
.wrap{max-width:var(--measure);margin:0 auto;padding:0 28px}
.lede{max-width:64ch}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}

/* ── nav ── */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,248,251,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.nav-in{max-width:var(--measure);margin:0 auto;padding:0 28px;height:66px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:baseline;gap:9px;font-weight:700;font-size:18px;letter-spacing:-.01em;text-decoration:none;flex-shrink:0}
.brand b{font-family:'Noto Serif TC',serif}
.brand span{font-size:12.5px;color:var(--ink-3);font-weight:500}
.nav-links{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-2);text-decoration:none;font-size:14.5px;font-weight:500;padding:4px 0;border-bottom:1.5px solid transparent}
.nav-links a:hover{color:var(--ink);border-bottom-color:var(--signal)}
.nav-cta{background:var(--ink);color:#fff!important;padding:9px 18px;border-radius:7px;border:none!important;font-weight:600}
.nav-cta:hover{background:#1c3252}
.lang{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--ink-3)!important;letter-spacing:.04em}
.nav-btn{display:none;margin-left:auto;background:none;border:1px solid var(--rule);border-radius:7px;padding:8px 12px;cursor:pointer;color:var(--ink);font-size:14px;font-weight:600}
#menu{display:none;border-top:1px solid var(--rule);padding:14px 28px 20px;background:var(--surface)}
#menu a{display:block;padding:9px 0;text-decoration:none;color:var(--ink-2);font-weight:500;border-bottom:1px solid var(--rule-2)}

/* ── hero ── */
.hero{padding:76px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:start}
h1{font-size:clamp(30px,3.5vw,42px);line-height:1.32;letter-spacing:-.005em;margin-bottom:22px;text-wrap:balance}
.hero p.sub{font-size:17.5px;color:var(--ink-2);max-width:54ch;margin-bottom:14px}
.hero p.sub strong{color:var(--ink);font-weight:600}
.hero .plain{font-size:15.5px;color:var(--ink-3);max-width:52ch;margin-bottom:30px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:8px;font-size:15px;font-weight:600;text-decoration:none;border:1.5px solid transparent;transition:background .18s,border-color .18s,color .18s;cursor:pointer}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:#1c3252}
.btn-line{border-color:var(--rule);color:var(--ink);background:var(--surface)}
.btn-line:hover{border-color:var(--ink-3)}
.hero-note{font-size:14px;color:var(--ink-3);max-width:48ch}
.hero-note b{font-weight:600;color:var(--ink-2)}
.s-head h2{text-wrap:balance}

/* ── 查證卡（主視覺） ── */
.record{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);box-shadow:0 1px 2px rgba(15,27,45,.04),0 12px 32px -20px rgba(15,27,45,.28);overflow:hidden}
.record-head{display:flex;align-items:center;gap:9px;padding:14px 20px;border-bottom:1px solid var(--rule-2);background:#FBFCFE}
.dot{width:7px;height:7px;border-radius:50%;background:var(--signal);flex-shrink:0;position:relative}
.dot::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:1.5px solid var(--signal);opacity:.45;animation:ping 2.6s ease-out infinite}
@keyframes ping{0%{transform:scale(.7);opacity:.5}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}
.record-head h2{font-family:'Inter',sans-serif;font-size:13.5px;font-weight:600;color:var(--ink-2);letter-spacing:0}
.record-head .src{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-3)}
.record dl{padding:6px 20px 14px;font-family:'JetBrains Mono','Inter',monospace;font-size:13px;line-height:1.6}
.record .row{display:grid;grid-template-columns:96px 1fr;gap:12px;padding:9px 0;border-bottom:1px solid var(--rule-2)}
.record .row:last-child{border-bottom:none}
.record dt{color:var(--ink-3);font-size:11.5px;letter-spacing:.02em;padding-top:2px}
.record dd{color:var(--ink);word-break:break-word}
.record dd .m{color:var(--ink-3);font-size:11.5px;display:block}
.verify{display:block;padding:12px 20px;border-top:1px solid var(--rule-2);background:#FBFCFE;font-size:12.5px;color:var(--ink-2);text-decoration:none}
.verify:hover{background:var(--signal-bg);color:var(--signal)}
.verify b{font-weight:600}

/* ── 保證條列 ── */
.promise{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);background:var(--surface)}
.promise ul{max-width:var(--measure);margin:0 auto;padding:18px 28px;display:flex;flex-wrap:wrap;gap:10px 34px;list-style:none;font-size:14.5px;color:var(--ink-2)}
.promise li{display:flex;align-items:center;gap:8px}
.tick{width:15px;height:15px;flex-shrink:0;color:var(--signal)}

/* ── section 通用 ── */
section{position:relative}
.band{padding:78px 0}
.band-alt{background:var(--surface);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.s-head{max-width:62ch;margin-bottom:44px}
.s-head h2{font-size:clamp(24px,2.9vw,33px);margin-bottom:14px}
.s-head p{color:var(--ink-2);font-size:16.5px}

/* ── 服務 ── */
.svc{border-top:1px solid var(--rule)}
.svc-item{display:grid;grid-template-columns:200px 1fr;gap:40px;padding:34px 0;border-bottom:1px solid var(--rule)}
.svc-item h3{font-size:21px;margin-bottom:6px}
.svc-item .who{font-size:13.5px;color:var(--ink-3)}
.svc-item>div>p{color:var(--ink-2);max-width:60ch;margin-bottom:14px}
details.tech{border-top:1px dashed var(--rule);padding-top:12px;max-width:60ch}
details.tech summary{cursor:pointer;font-size:13.5px;color:var(--ink-3);font-weight:500;list-style:none;display:flex;align-items:center;gap:7px}
details.tech summary::-webkit-details-marker{display:none}
details.tech summary::before{content:'+';font-family:'JetBrains Mono',monospace;color:var(--signal);font-weight:500}
details.tech[open] summary::before{content:'–'}
details.tech ul{margin:12px 0 4px 18px;font-size:14px;color:var(--ink-2);line-height:1.9}

/* ── 信任支柱 ── */
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
.pillar{background:var(--surface);padding:28px 26px}
.pillar h3{font-size:18px;margin-bottom:9px}
.pillar p{font-size:15px;color:var(--ink-2);margin-bottom:14px}
.plink{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--signal);text-decoration:none;background:var(--signal-bg);padding:6px 12px;border-radius:6px}
.plink:hover{background:#d5ece5}
.plink svg{width:12px;height:12px}

/* ── 事實表 ── */
.facts{width:100%;border-collapse:collapse;font-size:15px;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
.facts th,.facts td{text-align:left;padding:13px 20px;border-bottom:1px solid var(--rule-2);vertical-align:top}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:none}
.facts th{width:200px;font-weight:600;color:var(--ink-2);font-size:14px;background:#FBFCFE}
.facts td{color:var(--ink)}
.facts code{font-family:'JetBrains Mono',monospace;font-size:13.5px}

/* ── 適合 / 不適合 ── */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.fit{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:28px 26px}
.fit.no{background:#FCFBF8;border-color:#EADFC9}
.fit h3{font-size:18px;margin-bottom:16px}
.fit ul{list-style:none;font-size:15px;color:var(--ink-2);line-height:1.7}
.fit li{padding:9px 0 9px 26px;position:relative;border-bottom:1px solid var(--rule-2)}
.fit li:last-child{border-bottom:none}
.fit li::before{content:'';position:absolute;left:0;top:18px;width:12px;height:2px;background:var(--signal)}
.fit.no li::before{background:var(--warn)}
.fit>p{margin-top:16px;font-size:14px;color:var(--ink-3)}

/* ── 方案 ── */
.plans{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;font-size:15px}
.plans th{text-align:left;padding:14px 20px;font-size:13px;font-weight:600;color:var(--ink-3);border-bottom:1px solid var(--rule);background:#FBFCFE}
.plans td{padding:18px 20px;border-bottom:1px solid var(--rule-2);vertical-align:top;color:var(--ink-2)}
.plans tr:last-child td{border-bottom:none}
.plans .name{font-weight:600;color:var(--ink);font-size:16px;display:block;margin-bottom:3px}
.plans .price{font-family:'JetBrains Mono',monospace;font-weight:500;color:var(--ink);white-space:nowrap;font-size:15px}
.plans .price small{display:block;font-family:'Inter',sans-serif;color:var(--ink-3);font-size:12.5px;font-weight:400}
.price-note{margin-top:16px;font-size:14px;color:var(--ink-3);max-width:62ch}

/* ── 流程 ── */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{position:relative;padding-top:20px;border-top:2px solid var(--ink)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-2px;left:0;background:var(--ink);color:#fff;font-family:'JetBrains Mono',monospace;font-size:12px;padding:2px 9px;border-radius:0 0 5px 0}
.step h3{font-size:17px;margin:14px 0 8px}
.step p{font-size:14.5px;color:var(--ink-2)}
.step .eta{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--signal);background:var(--signal-bg);padding:3px 10px;border-radius:5px;font-weight:600}

/* ── FAQ ── */
.faq-list{border-top:1px solid var(--rule)}
.faq-list details{border-bottom:1px solid var(--rule)}
.faq-list summary{cursor:pointer;padding:20px 40px 20px 0;font-size:16.5px;font-weight:600;color:var(--ink);position:relative;list-style:none;font-family:'Noto Serif TC',serif}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'';position:absolute;right:8px;top:30px;width:10px;height:10px;border-right:1.8px solid var(--ink-3);border-bottom:1.8px solid var(--ink-3);transform:rotate(45deg);transition:transform .2s}
.faq-list details[open] summary::after{transform:rotate(-135deg)}
.faq-list .a{padding:0 40px 24px 0;color:var(--ink-2);font-size:15.5px;max-width:70ch}
.faq-list .a a{color:var(--signal);font-weight:500}

/* ── 聯絡 ── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.ccard{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:28px 26px}
.ccard h3{font-size:17px;margin-bottom:16px}
.ccard dl{font-size:15px}
.ccard .row{display:grid;grid-template-columns:82px 1fr;gap:14px;padding:10px 0;border-bottom:1px solid var(--rule-2)}
.ccard .row:last-child{border-bottom:none}
.ccard dt{color:var(--ink-3);font-size:13.5px;padding-top:1px}
.ccard dd a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule);font-weight:500}
.ccard dd a:hover{border-bottom-color:var(--signal);color:var(--signal)}
.ccard dd .m{display:block;font-size:13px;color:var(--ink-3)}

/* ── footer ── */
footer{background:var(--ink);color:#C6D2E2;padding:56px 0 30px;font-size:14.5px}
footer a{color:#C6D2E2;text-decoration:none}
footer a:hover{color:#fff;text-decoration:underline}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}
.f-grid h4{font-family:'Inter',sans-serif;font-size:12.5px;font-weight:600;color:#7F92AA;margin-bottom:14px;letter-spacing:.02em}
.f-grid ul{list-style:none;line-height:2.1}
.f-brand{font-family:'Noto Serif TC',serif;font-size:19px;color:#fff;font-weight:700;margin-bottom:12px}
.f-grid>div>p{max-width:40ch;color:#9FB0C6;font-size:14px;line-height:1.8}
.f-bottom{border-top:1px solid #23334D;padding-top:22px;display:flex;flex-wrap:wrap;gap:8px 24px;color:#7F92AA;font-size:13px}

/* ── responsive ── */
@media(max-width:940px){
  .hero-grid,.fit-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .pillars{grid-template-columns:1fr}
  .svc-item{grid-template-columns:1fr;gap:14px;padding:28px 0}
  .steps{grid-template-columns:1fr;gap:22px}
  .f-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{display:none}
  .nav-btn{display:block}
}
@media(max-width:620px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .nav-in{padding:0 20px}
  .band{padding:56px 0}
  .hero{padding:48px 0 40px}
  .facts th{width:auto;display:block;background:none;padding-bottom:0;border-bottom:none}
  .facts td{display:block;padding-top:2px}
  .f-grid{grid-template-columns:1fr}
  .record .row{grid-template-columns:84px 1fr;gap:10px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}