:root{
  --paper:#edebe4; --paper-2:#e4e1d6; --paper-3:#1f1e1a;
  --ink:#1c1b18; --ink-soft:#54514a; --ink-faint:#8f8a7e;
  --line:#cfcabb; --line-strong:#b6b0a0;
  --accent:#dd4a24; --accent-deep:#b53a1a;
  --sans:"Noto Sans TC",-apple-system,sans-serif;
  --mono:"Space Mono","Noto Sans Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);
  font-weight:400;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono)}
.kicker{font-family:var(--mono);font-size:13px;letter-spacing:.16em;color:var(--ink-faint);text-transform:uppercase}
.tbd{color:var(--ink-faint);border-bottom:1px dotted var(--line-strong);font-size:.92em}

/* 技術格線背景 */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;opacity:.32}

/* ── 導覽 ── */
header{position:sticky;top:0;z-index:60;background:rgba(237,235,228,.85);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--ink)}
.nav{display:flex;align-items:center;height:64px;gap:30px}
.brand{display:flex;align-items:center;gap:11px}
.brand b{font-size:20px;font-weight:900;letter-spacing:.02em}
.brand .no{font-family:var(--mono);font-size:10px;color:var(--accent);border:1px solid var(--accent);
  padding:1px 5px;letter-spacing:.1em}
.brand-logo{height:50px;width:50px;flex:none;border-radius:12px;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.brand-logo img{width:100%;height:100%;object-fit:contain;transform:scale(1.06)}
.nav .links{display:flex;gap:24px;margin-left:8px}
.nav .links a{font-family:var(--sans);font-size:16.5px;font-weight:500;color:var(--ink-soft);letter-spacing:.02em}
.nav .links a:hover{color:var(--accent)}
.nav .tel{margin-left:auto;font-family:var(--mono);font-size:13px}
.nav .tel .k{font-size:9px;color:var(--ink-faint);display:block;letter-spacing:.15em}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer}

.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);
  font-size:14px;font-weight:700;padding:14px 24px;cursor:pointer;border:0;white-space:nowrap;
  background:var(--accent);color:#fff;transition:.2s;letter-spacing:.02em}
.btn:hover{background:var(--accent-deep)}
.btn.out{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.out:hover{background:var(--ink);color:var(--paper)}
.btn svg{width:16px;height:16px}

/* ── 爆炸手機(共用) ── */
.scene{perspective:1500px;perspective-origin:50% 40%}
.phone{position:relative;width:200px;height:410px;margin:0 auto;
  transform-style:preserve-3d;transform:rotateX(60deg) rotateZ(-42deg)}
.layer{position:absolute;inset:0;border-radius:30px;border:1.5px solid var(--ink);
  background:var(--paper);box-shadow:0 22px 30px rgba(0,0,0,.10);
  transition:transform .5s cubic-bezier(.2,.7,.2,1),border-color .3s,background .3s;
  display:flex;align-items:flex-start;justify-content:center;padding-top:16px}
.layer .tag{display:none}
.layer.on{border-color:var(--accent);background:#fff;box-shadow:0 26px 36px rgba(221,74,36,.22)}
.layer.on .tag{color:var(--accent)}
/* 各層特徵 */
.l-glass::before{content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);
  width:46px;height:7px;border-radius:6px;background:var(--ink)}
.l-batt{background:repeating-linear-gradient(90deg,var(--paper),var(--paper) 14px,#e2dfd2 14px,#e2dfd2 16px)}
.l-board{background:#e7e3d6}
.l-board .chip{position:absolute;border:1px solid var(--ink-soft);background:#d8d3c2}
.l-board .c1{width:54px;height:54px;top:120px;left:40px}
.l-board .c2{width:40px;height:28px;top:200px;left:60px}
.l-board .c3{width:24px;height:24px;top:90px;left:120px}
.l-port::after{content:"";position:absolute;bottom:12px;left:50%;transform:translateX(-50%);
  width:34px;height:9px;border-radius:5px;background:var(--ink)}
.l-frame{background:transparent}
.l-frame .cam{position:absolute;top:24px;left:30px;width:42px;height:42px;
  border-radius:12px;border:2px solid var(--ink)}

/* ── Hero ── */
.hero{padding:60px 0 40px;position:relative}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.hero .fig{font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:.12em;margin-bottom:22px}
.hero h1{font-size:clamp(40px,7vw,76px);font-weight:900;line-height:1.06;letter-spacing:-.01em}
.hero h1 .u{position:relative;white-space:nowrap}
.hero h1 .u::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.16em;background:var(--accent);z-index:-1;opacity:.85}
.hero p{margin-top:24px;max-width:430px;font-size:15.5px;color:var(--ink-soft);font-weight:400}
.hero .actions{display:flex;gap:13px;margin-top:34px;flex-wrap:wrap}
.hero .scene-wrap{position:relative;padding:16px 0 0}
.hero .scene{min-height:300px;display:flex;align-items:center;justify-content:center}
.hero .phone{transform:rotateX(58deg) rotateZ(-40deg)}
.hero .l-glass{transform:translateZ(92px)}
.hero .l-batt{transform:translateZ(46px)}
.hero .l-board{transform:translateZ(0)}
.hero .l-port{transform:translateZ(-46px)}
.hero .l-frame{transform:translateZ(-92px)}
.teardown{width:100%;max-width:480px;height:auto;display:block;margin:0 auto}
.hero .spec{position:absolute;font-family:var(--mono);font-size:10.5px;color:var(--ink-soft);
  letter-spacing:.05em;display:flex;align-items:center;gap:8px}
.hero .spec .dline{width:40px;height:1px;background:var(--line-strong)}
.hero .s1{top:38px;right:6%}
.hero .s2{top:46%;left:2%}
.hero .s3{bottom:46px;right:10%}

/* ── 維修項目(靜態) ── */
.repair{padding:84px 0;background:var(--paper-2);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.repair .sec-h{margin-bottom:24px}
.repair-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.repair-fig{display:flex;align-items:center;justify-content:center;min-height:460px}
.r-item{display:block;padding:18px 4px;border-top:1px solid var(--line-strong);transition:.25s}
.r-item:last-child{border-bottom:1px solid var(--line-strong)}
.r-item:hover{padding-left:14px}
.r-item .row{display:flex;align-items:baseline;gap:14px}
.r-item .idx{font-family:var(--mono);font-size:12px;color:var(--accent)}
.r-item h3{font-size:23px;font-weight:900}
.r-item .ar{margin-left:auto;font-size:18px;color:var(--accent);transition:.25s}
.r-item:hover .ar{transform:translateX(6px)}
.r-item .de{font-size:13.5px;color:var(--ink-soft);font-weight:400;margin-top:6px}

/* ── 其他服務 ── */
.more{padding:90px 0}
.more .sec-h{margin-bottom:36px}
.sec-h .kicker{display:block;margin-bottom:12px}
.sec-h h2{font-size:clamp(26px,4vw,38px);font-weight:900}
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--ink)}
.more-grid a{padding:30px;border-right:1px solid var(--line-strong);transition:.25s;position:relative}
.more-grid a:last-child{border-right:0}
.more-grid a:hover{background:var(--ink);color:var(--paper)}
.more-grid .no{font-family:var(--mono);font-size:12px;color:var(--accent)}
.more-grid h3{font-size:22px;font-weight:900;margin:14px 0 6px}
.more-grid p{font-size:13.5px;color:var(--ink-soft);font-weight:400}
.more-grid a:hover p{color:#cfcabb}

/* ── 信賴(規格表) ── */
.spec-sec{background:var(--paper-2);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:80px 0}
.spec-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.spec-grid h2{font-size:clamp(24px,3.6vw,34px);font-weight:900;line-height:1.3}
.spec-grid h2 em{font-style:normal;color:var(--accent)}
.spec-grid p{font-size:14.5px;color:var(--ink-soft);font-weight:400;margin-top:16px}
.spec-table{border:1px solid var(--ink)}
.spec-table div{display:flex;justify-content:space-between;padding:15px 20px;border-top:1px solid var(--line-strong);font-family:var(--mono);font-size:13px}
.spec-table div:first-child{border-top:0}
.spec-table .k{color:var(--ink-soft)}
.spec-table .v{font-weight:700}

/* ── 門市 ── */
.stores{padding:90px 0}
.store-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--ink)}
.store{padding:34px}
.store:first-child{border-right:1px solid var(--line-strong)}
.store .en{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.12em}
.store h3{font-size:26px;font-weight:900;margin:6px 0 18px}
.store .map{height:150px;border:1px solid var(--line-strong);background:var(--paper-2);
  display:flex;align-items:center;justify-content:center;color:var(--ink-faint);
  font-family:var(--mono);font-size:11px;margin-bottom:20px}
.store dl div{display:flex;gap:14px;padding:9px 0;border-top:1px solid var(--line);font-size:14px}
.store dt{width:48px;flex:none;font-family:var(--mono);font-size:11px;color:var(--ink-faint);padding-top:3px}
.store dd{color:var(--ink);font-weight:500}
.store .links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ── 好評 ── */
.reviews{background:var(--paper-2);border-top:1px solid var(--ink);padding:80px 0}
.rev-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:34px}
.rev{border-left:2px solid var(--accent);padding-left:22px}
.rev .q{font-size:17px;line-height:1.7}
.rev .who{font-family:var(--mono);font-size:12px;color:var(--ink-faint);margin-top:14px}

/* ── CTA ── */
.closing{padding:100px 0;text-align:center}
.closing h2{font-size:clamp(28px,4.6vw,48px);font-weight:900;line-height:1.2}
.closing h2 em{font-style:normal;color:var(--accent)}
.closing p{color:var(--ink-soft);margin:16px 0 34px;font-weight:400}
.closing .actions{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

/* ── 案例文章 ── */
.case{max-width:760px;padding:80px 0}
.case h1{font-size:clamp(28px,4.4vw,40px);font-weight:900;line-height:1.2;margin:10px 0}
.case-meta{font-family:var(--mono);font-size:12px;color:var(--ink-faint);margin-bottom:30px}
.case p{margin:16px 0;color:var(--ink-soft)}
.case h2{font-size:22px;font-weight:900;margin:30px 0 10px}
.case img{max-width:100%;border:1px solid var(--line-strong);margin:18px 0}

/* ── Footer ── */
footer{background:var(--paper-3);color:#d6d0c4;border-top:1px solid var(--ink);padding:54px 0 30px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.fbrand-top{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.flogo{height:48px;width:48px;flex:none;border-radius:11px;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center}
.flogo img{width:100%;height:100%;object-fit:contain;transform:scale(1.06)}
.fbrand b{color:#fff;font-size:22px;font-weight:900}
.fbrand p{font-size:13px;margin-top:12px;max-width:260px;font-weight:400}
footer h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:#a8a294;margin-bottom:14px}
footer a{display:block;font-size:13.5px;color:#d6d0c4;padding:5px 0;font-weight:400}
footer a:hover{color:#fff}
.copy{margin-top:42px;padding-top:20px;border-top:1px solid #38362f;font-family:var(--mono);font-size:11px;color:#928c7e;text-align:center}

/* ── 浮動聯絡鈕 ── */
.fab{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.fab-btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;
  background:var(--accent);color:#fff;font-family:var(--sans);font-weight:700;font-size:15px;
  padding:13px 19px;border-radius:30px;box-shadow:0 6px 20px rgba(221,74,36,.4)}
.fab-btn svg{width:18px;height:18px}
.fab-btn:hover{background:var(--accent-deep)}
.fab-panel{display:none;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line-strong);
  border-radius:14px;padding:12px;box-shadow:0 12px 32px rgba(0,0,0,.2)}
.fab.open .fab-panel{display:flex}
.fab-store{display:flex;align-items:center;gap:8px}
.fab-name{font-size:13.5px;font-weight:700;min-width:50px}
.fab-act{font-size:13.5px;font-weight:700;padding:8px 15px;border-radius:9px;
  background:var(--ink);color:#fff;white-space:nowrap}
.fab-act.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.fab-act:hover{background:#000}
.fab-act.ghost:hover{background:var(--ink);color:#fff}
@media(max-width:520px){.fab{right:12px;bottom:12px}.fab-btn{padding:12px 16px}}
@media print{.fab{display:none}}

@media(max-width:880px){
  .nav .links{display:none}
  .hero .grid{grid-template-columns:1fr;gap:10px}
  .hero .scene-wrap{order:-1;overflow:hidden}
  .hero .scene{overflow:hidden;min-height:240px}
  .hero .phone{transform:rotateX(58deg) rotateZ(-40deg) scale(.72)}
  .more-grid{grid-template-columns:1fr}
  .more-grid a{border-right:0;border-bottom:1px solid var(--line-strong)}
  .repair-grid,.spec-grid,.store-grid,.rev-grid{grid-template-columns:1fr}
  .repair-fig{min-height:360px}
  .store:first-child{border-right:0;border-bottom:1px solid var(--line-strong)}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}.wrap{padding:0 22px}}

/* ── 內容頁(服務 / 子頁 / about) ── */
.page-hero{padding:70px 0 40px;border-bottom:1px solid var(--line)}
.crumb{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.12em;margin-bottom:18px}
.crumb a{color:var(--ink-faint)}
.crumb a:hover{color:var(--accent)}
.page-hero h1{font-size:clamp(34px,6vw,58px);font-weight:900;line-height:1.1}
.page-hero .lead{margin-top:18px;max-width:600px;font-size:16px;color:var(--ink-soft);font-weight:400}
.page-hero .actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.band{padding:60px 0;border-bottom:1px solid var(--line)}
.band.alt{background:var(--paper-2)}
.prose{max-width:700px}
.prose h2{font-size:23px;font-weight:900;margin:28px 0 8px}
.prose h2:first-child{margin-top:0}
.prose p{margin:13px 0;color:var(--ink-soft)}
.prose ul{margin:12px 0 12px 20px;color:var(--ink-soft)}
.prose li{margin:6px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--ink);margin-top:12px}
.steps div{padding:22px 18px;border-right:1px solid var(--line-strong)}
.steps div:last-child{border-right:0}
.steps .n{font-family:var(--mono);color:var(--accent);font-size:13px}
.steps h3{font-size:16px;font-weight:900;margin:10px 0 5px}
.steps p{font-size:13px;color:var(--ink-soft);font-weight:400;margin:0}
.brandtable{border:1px solid var(--ink);margin-top:12px}
.brandtable div{display:flex;justify-content:space-between;gap:16px;padding:13px 18px;border-top:1px solid var(--line-strong);font-size:14px}
.brandtable div:first-child{border-top:0;background:var(--paper-2);font-family:var(--mono);font-size:12px;color:var(--ink-faint)}
.brandtable .v{font-family:var(--mono);color:var(--ink-soft)}
.faq{max-width:760px}
.faq dt{font-weight:700;font-size:16px;padding:18px 0 6px;border-top:1px solid var(--line-strong)}
.faq dd{color:var(--ink-soft);font-weight:400;padding:0 0 18px}
.subnav{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--ink);margin-top:12px}
.subnav a{flex:1 1 auto;text-align:center;padding:14px 16px;border-right:1px solid var(--line-strong);font-size:14px;font-weight:500}
.subnav a:last-child{border-right:0}
.subnav a:hover{background:var(--ink);color:var(--paper)}
@media(max-width:880px){
  .steps{grid-template-columns:1fr 1fr}
  .steps div:nth-child(2n){border-right:0}
  .subnav a{flex-basis:50%;border-bottom:1px solid var(--line-strong)}
}