/* Layout: airy light-teal brand page — hero text left / route-map artwork right, white rounded cards below. Single light look by design. */
:root{
  color-scheme:light;
  --bg:#F3F8FA; --surface:#FFFFFF; --ink:#14222A; --muted:#56676E; --line:#E1EBEE;
  --brand:#3FA9C4; --brand-l:#5FB8CC; --brand-soft:#E6F4F8; --brand-ink:#17768C; --gold:#F2C14E;
  --f-body:"Noto Sans TC","PingFang HK","Microsoft JhengHei",system-ui,sans-serif;
  --f-latin:"Montserrat",var(--f-body);
  --shadow:0 10px 30px rgba(20,60,75,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.65;padding-bottom:80px}
h1,h2,h3{margin:0;text-wrap:balance;line-height:1.25}
p{margin:0}
a{color:var(--brand-ink)}
.wrap{max-width:1240px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
section{padding-block:56px}
.sec-h{display:flex;flex-direction:column;gap:10px;margin-bottom:30px}
.sec-h h2{font-size:clamp(26px,3.4vw,34px);font-weight:900}
.sec-h h2::after{content:"";display:block;width:34px;height:4px;border-radius:2px;background:var(--gold);margin-top:12px}
.sec-h p{color:var(--muted);max-width:60ch}
.ic{width:26px;height:26px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;border-radius:999px;font-weight:700;font-size:17px;text-decoration:none;font-family:inherit;cursor:pointer;border:1.5px solid transparent;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,summary:focus-visible,.thumbs button:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.btn-p{background:linear-gradient(135deg,var(--brand-l),var(--brand));color:#fff;box-shadow:0 10px 24px rgba(63,169,196,.32)}
.btn-o{background:var(--surface);color:var(--brand-ink);border-color:var(--brand-l)}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2.2}

/* header */
header{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);position:sticky;top:env(safe-area-inset-top,0px);z-index:30;border-bottom:1px solid var(--line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:31;background:#fff}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:12px}
.logo{height:40px;width:auto;display:block}
nav{display:flex;gap:34px;font-size:15px}
nav a{color:var(--ink);text-decoration:none;padding-block:6px;border-bottom:2px solid transparent}
nav a:hover{color:var(--brand-ink);border-bottom-color:var(--brand-l)}
.hbtn{min-height:44px;padding:0 22px;font-size:15px}
@media (max-width:1020px){nav{display:none}}
@media (max-width:520px){.logo{height:32px}.hbtn{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);padding-block:0}
.hero-art{position:absolute;right:0;top:0;width:64%;aspect-ratio:1600/716;background:url(../images/hero.webp) right top/100% auto no-repeat;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16%),linear-gradient(0deg,transparent 0,#000 14%);-webkit-mask-composite:source-in;
  mask-image:linear-gradient(90deg,transparent 0,#000 16%),linear-gradient(0deg,transparent 0,#000 14%);mask-composite:intersect}
.hero .wrap{position:relative;display:flex;flex-direction:column;gap:24px;padding-block:clamp(48px,6vw,84px) clamp(40px,5vw,72px);min-height:calc(64vw * 716 / 1600)}
.hero h1{font-size:clamp(34px,4.2vw,64px);font-weight:900;letter-spacing:.01em;max-width:9.5em}
.hero .tag{font-size:clamp(17px,1.7vw,22px);color:var(--muted);letter-spacing:.04em}
.cta{display:flex;flex-wrap:wrap;gap:16px}
.trust{display:flex;flex-wrap:wrap;gap:12px 0;margin-top:8px;max-width:720px}
.trust div{display:flex;align-items:center;gap:10px;padding-right:16px;margin-right:16px;font-size:14px!important;border-right:1px solid var(--line);font-size:15px;line-height:1.45;color:var(--ink)}
.trust div:last-child{border-right:0}
.trust .ic{width:30px;height:30px;color:var(--brand)}
@media (max-width:900px){
  .hero-art{position:relative;width:100%;max-width:100%;-webkit-mask-image:linear-gradient(0deg,transparent 0,#000 18%);mask-image:linear-gradient(0deg,transparent 0,#000 18%)}
  .hero .wrap{min-height:0}.trust{max-width:none}
  .hero{display:flex;flex-direction:column-reverse}
  .hero .wrap{padding-block:32px 40px}
  .trust{gap:14px 0}.trust div{flex:1 1 45%;border-right:0;margin-right:0;padding-right:12px}
}

/* process card */
.proc{margin-top:-8px;position:relative;z-index:2}
.pcard{background:var(--surface);border-radius:22px;box-shadow:var(--shadow);padding:30px 34px;display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr) minmax(0,220px);gap:30px;align-items:center}
.pcard h2{font-size:26px;font-weight:900}
.pcard h2::after{content:"";display:block;width:30px;height:4px;border-radius:2px;background:var(--gold);margin:12px 0}
.pcard .lead{color:var(--muted);font-size:15px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;position:relative}
.steps::before{content:"";position:absolute;left:10%;right:10%;top:14px;height:2px;background:linear-gradient(90deg,var(--brand-l),#BFE2EC)}
.steps li{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;min-width:0}
.num{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-family:var(--f-latin);font-weight:600;font-size:14px;display:grid;place-items:center;box-shadow:0 0 0 5px var(--surface)}
.steps .ic{width:34px;height:34px;color:var(--brand);margin-top:6px}
.steps li div{display:flex;flex-direction:column;gap:2px;align-items:inherit}
.steps b{font-size:16px}
.steps span{font-size:13px;color:var(--muted);line-height:1.45}
.pside{border-left:1px solid var(--line);padding-left:28px;font-size:20px;line-height:1.6;color:var(--ink)}
.pside::after{content:"";display:block;width:30px;height:4px;border-radius:2px;background:var(--gold);margin-top:14px}
@media (max-width:1020px){.pcard{grid-template-columns:1fr}.pside{display:none}}
@media (max-width:640px){.steps{grid-template-columns:1fr;gap:16px}.steps::before{left:14px;right:auto;top:14px;bottom:14px;width:2px;height:auto;background:#BFE2EC}
  .steps li{flex-direction:row;text-align:left;align-items:flex-start;gap:14px}.steps .ic{display:none}.steps li div{display:flex;flex-direction:column}}

/* plate cards */
.plates{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,1.45fr);gap:18px;padding-top:24px}
.pl{background:var(--surface);border-radius:20px;box-shadow:var(--shadow);padding:20px;display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit;min-width:0}
.badge{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;flex:none}
.b1{background:var(--brand-soft)}.b2{background:#E3F6F1}.b3{background:#FFF5DC}
.zplate{background:linear-gradient(135deg,#2E8FB0,#1F6F8C);color:#fff;font-weight:700;font-size:15px;padding:4px 8px;border-radius:6px;border:2px solid #fff;box-shadow:0 0 0 2px #2E8FB0}
.pl h3{font-size:21px;font-weight:900;white-space:nowrap}
.pl>div{min-width:0}
.pl:not(.carteaser) .go{display:none}
.pl p{font-size:14px;color:var(--muted);line-height:1.5}
.go{margin-left:auto;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;flex:none;color:var(--brand)}
.go svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.2}
.carteaser{padding:14px}
.carteaser img{width:46%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:14px;flex:none}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.chip{font-size:12px;background:var(--brand-soft);color:var(--brand-ink);padding:3px 10px;border-radius:999px}
@media (max-width:1100px){.plates{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.plates{grid-template-columns:1fr}}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.sv{background:var(--surface);border-radius:20px;box-shadow:var(--shadow);padding:26px;display:flex;flex-direction:column;gap:10px}
.sv .ibox{width:52px;height:52px;border-radius:14px;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand)}
.sv h3{font-size:19px;font-weight:700}
.sv p{color:var(--muted);font-size:15px}
.sv.hl{background:linear-gradient(140deg,#4DB3CC,#2B92AE);color:#fff}
.sv.hl p{color:rgba(255,255,255,.88)}
.sv.hl .ibox{background:rgba(255,255,255,.18);color:#fff}
.note{margin-top:18px;font-size:14px;color:var(--muted)}
@media (max-width:900px){.svc{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.svc{grid-template-columns:1fr}}

/* why */
.why{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px}
.why div{display:flex;flex-direction:column;gap:8px;padding-top:16px;border-top:2px solid var(--brand-l)}
.why b{font-size:17px}.why span{font-size:14px;color:var(--muted)}
@media (max-width:900px){.why{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* cars */
.cars{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.car{background:var(--surface);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.car .main{aspect-ratio:4/3;background:#DCE7EA;max-width:100%}
.car .main img{width:100%;height:100%;object-fit:cover;display:block}
.thumbs{display:flex;gap:6px;padding:8px 10px 0;overflow-x:auto}
.thumbs button{flex:none;width:56px;height:42px;padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:none}
.thumbs button[aria-current="true"]{border-color:var(--brand)}
.thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.cbody{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cbody h3{font-size:19px;font-weight:900}
.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px;font-size:14px;margin:0}
.specs div{display:flex;justify-content:space-between;gap:8px;border-bottom:1px dashed var(--line);padding-bottom:4px}
.specs dt{color:var(--muted);white-space:nowrap}.specs dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
.feat{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.feat li{font-size:13px;border:1px solid var(--line);border-radius:6px;padding:2px 8px;color:var(--muted)}
.crow{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:6px}
.crow b{font-size:17px}
.crow a{font-size:15px;font-weight:700;text-decoration:none}
.car.empty{align-items:center;justify-content:center;min-height:300px;background:repeating-linear-gradient(135deg,#fff,#fff 12px,#F4F9FA 12px,#F4F9FA 24px);color:var(--muted);box-shadow:none;border:1.5px dashed #C8DCE2;text-align:center;padding:24px;gap:6px}

/* faq */
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
details{background:var(--surface);border-radius:14px;padding:0 20px;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--brand);font-size:22px;line-height:1}
details[open] summary::after{content:"−"}
details p{padding-bottom:18px;color:var(--muted);font-size:15px}
@media (max-width:760px){.faq{grid-template-columns:1fr}}

/* contact */
.contact .box{border-radius:26px;padding:44px;background:linear-gradient(120deg,#E3F3F8,#F7FBFC 60%),var(--surface);box-shadow:var(--shadow);display:flex;flex-wrap:wrap;gap:30px;align-items:center;justify-content:space-between}
.contact h2{font-size:clamp(26px,3.4vw,36px);font-weight:900}
.contact p{color:var(--muted);margin-top:10px}
.wx{background:var(--surface);border-radius:18px;padding:18px 22px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;box-shadow:var(--shadow)}
.wx small{display:block;font-size:13px;color:var(--muted)}
.wx strong{font-family:var(--f-latin);font-size:28px;letter-spacing:.02em;user-select:all}

footer{border-top:1px solid var(--line);padding-block:24px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center}
footer .en{margin-left:auto;font-family:var(--f-latin);font-size:12px;letter-spacing:.14em}
footer .flogos{display:flex;gap:24px;align-items:center;flex-wrap:wrap;width:100%}
footer .flogos img{height:44px;width:auto;max-width:100%;object-fit:contain}

.mbar{position:fixed;left:0;right:0;bottom:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);
  padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));display:flex;gap:10px;align-items:center}
.mbar .t{flex:1;min-width:0;font-size:13px;color:var(--muted);line-height:1.3}.mbar .t b{display:block;color:var(--ink);font-size:16px}
.mbar .btn{min-height:44px;padding:0 20px;font-size:15px}
@media (min-width:901px){.mbar{display:none}body{padding-bottom:0}}

.deliver{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:center;margin-top:28px;background:var(--surface);border-radius:22px;box-shadow:var(--shadow);padding:22px}
.deliver img{width:100%;max-width:100%;border-radius:14px;display:block;aspect-ratio:3/4;object-fit:cover}
.deliver h3{font-size:22px;font-weight:900;margin-bottom:6px}
.deliver p{color:var(--muted);font-size:15px}
.dlist{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px}
.dlist li{display:flex;gap:10px;align-items:flex-start;font-size:15px;min-width:0}
.dlist li::before{content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12l4 4 8-8' fill='none' stroke='%233FA9C4' stroke-width='3'/%3E%3C/svg%3E") center/12px no-repeat}
@media (max-width:820px){.deliver{grid-template-columns:1fr}.dlist{grid-template-columns:1fr}}

/* enquiry form */
.contact .box{align-items:flex-start}
.cintro{flex:1 1 280px;min-width:0}
.eq{flex:1.4 1 420px;min-width:0;display:flex;flex-direction:column;gap:12px;background:var(--surface);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.aiform{box-shadow:none;padding:0;background:none}
.eqrow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.eq3{grid-template-columns:repeat(3,minmax(0,1fr))}
.eq label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:700;color:var(--ink);min-width:0}
.eq label i{color:#D0573C;font-style:normal}
.eq input,.eq select,.eq textarea{font:inherit;font-weight:400;font-size:16px;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:11px 12px;width:100%;min-height:46px}
.eq textarea{resize:vertical;min-height:84px}
.eq input:focus,.eq select:focus,.eq textarea:focus{outline:none;border-color:var(--brand-l);box-shadow:0 0 0 3px rgba(63,169,196,.18)}
.eqfoot{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.eq .btn[disabled]{opacity:.6;cursor:default;transform:none}
.eqmsg{margin:0;font-size:15px;font-weight:700}
.eqmsg.ok{color:#1E8A5A}.eqmsg.err{color:#C2412B}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
@media (max-width:640px){.eqrow,.eq3{grid-template-columns:1fr}.contact .box{padding:24px 18px}}

.cfilter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.cfilter button{font:inherit;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.cfilter button span{font-size:12px;font-weight:600;color:var(--muted);background:var(--bg);border-radius:999px;padding:1px 8px}
.cfilter button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.cfilter button[aria-pressed="true"] span{background:rgba(255,255,255,.18);color:#fff}
.cfilter button:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.catnote{font-size:13px;color:var(--muted);margin-bottom:18px}
.car .main{position:relative}
.catb{position:absolute;left:12px;top:12px;z-index:1;font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px;color:#fff;box-shadow:0 4px 12px rgba(0,0,0,.18)}
.cat-n{background:#1E8A5A}.cat-z{background:#2B7FD0}.cat-u{background:#5B6B72}
.ref{font-family:var(--f-mono);font-size:12px;color:var(--muted);align-self:center;margin-left:auto}
.more summary{cursor:pointer;font-size:13px;color:var(--brand-ink);font-weight:700;padding:4px 0}
.more .feat{margin-top:6px}
/* real photos */
.real{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:220px;gap:14px}
.real figure{margin:0;position:relative;border-radius:18px;overflow:hidden;background:#DCE7EA;box-shadow:var(--shadow)}
.real img{width:100%;height:100%;object-fit:cover;display:block}
.real figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(transparent,rgba(8,24,30,.72))}
.real .big{grid-column:span 2;grid-row:span 2}
@media (max-width:900px){.real{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:160px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* ---- AI feel ---- */
:root{--f-mono:"JetBrains Mono",ui-monospace,monospace}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(63,169,196,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(63,169,196,.07) 1px,transparent 1px);background-size:44px 44px;
  -webkit-mask-image:radial-gradient(70% 90% at 20% 40%,#000,transparent 75%);mask-image:radial-gradient(70% 90% at 20% 40%,#000,transparent 75%)}
.node{position:absolute;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;background:rgba(63,169,196,.0)}
.node::before,.node::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--brand-l);animation:ping 2.4s ease-out infinite}
.node::after{animation-delay:1.2s}
@keyframes ping{0%{transform:scale(.6);opacity:.9}100%{transform:scale(3.2);opacity:0}}
.typer{font-family:var(--f-mono);font-size:15px;color:var(--brand-ink);display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.75);border:1px solid #CDE6EE;border-radius:999px;padding:0 14px 0 8px;align-self:flex-start;max-width:100%;box-sizing:border-box;width:290px;height:36px;flex:none;white-space:nowrap;overflow:hidden}
.typer .dot{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--brand-l),#2B7FD0);display:grid;place-items:center;color:#fff;font-size:10px;font-weight:600;flex:none}
.typer .cur{display:inline-block;width:8px;height:16px;background:var(--brand);margin-left:2px;animation:blink 1s steps(1) infinite;vertical-align:-2px}
@keyframes blink{50%{opacity:0}}
.btn-ai{background:linear-gradient(120deg,#2B7FD0,#3FA9C4 55%,#5FD0C8);background-size:200% 100%;color:#fff;box-shadow:0 10px 28px rgba(43,127,208,.3);animation:shift 6s ease-in-out infinite}
@keyframes shift{50%{background-position:100% 0}}
.btn-ai .spark{width:20px;height:20px;fill:#fff;stroke:none}
.steps li .num{transition:box-shadow .3s,background .3s}
.steps li.on .num{box-shadow:0 0 0 5px var(--surface),0 0 0 9px rgba(63,169,196,.25),0 0 22px rgba(63,169,196,.6)}
.steps li.on .ic{color:#2B7FD0}
.num,.specs dd,.wx strong{font-family:var(--f-mono)}
/* wizard */
dialog.ai{border:0;padding:0;border-radius:24px;width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 32px);box-shadow:0 30px 80px rgba(10,40,60,.35);color:var(--ink);background:var(--surface)}
dialog.ai::backdrop{background:rgba(10,30,40,.45);backdrop-filter:blur(4px)}
.aihd{display:flex;align-items:center;gap:12px;padding:18px 22px;background:linear-gradient(120deg,#EAF4FB,#E6F7F6);border-bottom:1px solid var(--line)}
.aidot{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand-l),#2B7FD0);display:grid;place-items:center;color:#fff;font-family:var(--f-mono);font-size:12px;font-weight:600;flex:none}
.aihd>div{min-width:0;flex:1}
dialog.ai{overflow:hidden}
dialog.ai[open]{display:flex;flex-direction:column}
.aihd,.aibar{flex:none}
.aibody{flex:1;min-height:0}
.aihd b{font-size:17px}.aihd small{display:block;font-family:var(--f-mono);font-size:12px;color:var(--brand-ink)}
.aihd .x{margin-left:auto;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--muted)}
.aibar{height:4px;background:#E3EEF2}.aibar i{display:block;height:100%;background:linear-gradient(90deg,#2B7FD0,#5FD0C8);transition:width .35s}
.aibody{padding:24px 22px 26px;display:flex;flex-direction:column;gap:16px;overflow:auto}
.aiq{font-size:20px;font-weight:900}
.aiq small{display:block;font-family:var(--f-mono);font-size:12px;color:var(--muted);font-weight:500;margin-bottom:4px}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.opts button{min-height:56px;text-align:left;padding:10px 14px;border-radius:14px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-family:inherit;font-size:15px;color:var(--ink);display:flex;flex-direction:column;gap:2px}
.opts button span{font-size:12px;color:var(--muted)}
.opts button:hover{border-color:var(--brand-l);background:var(--brand-soft)}
.opts button:focus-visible,.aihd .x:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
@media (max-width:460px){.opts{grid-template-columns:1fr}}
.scan{display:flex;flex-direction:column;align-items:center;gap:14px;padding:26px 0;font-family:var(--f-mono);font-size:14px;color:var(--brand-ink)}
.ring{width:64px;height:64px;border-radius:50%;border:3px solid #D6ECF2;border-top-color:var(--brand);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.res{border-radius:18px;padding:20px;background:linear-gradient(135deg,#EFF8FB,#F4FBF9);border:1px solid #CDE6EE;display:flex;flex-direction:column;gap:10px}
.res .lab{font-family:var(--f-mono);font-size:12px;color:var(--brand-ink)}
.res h3{font-size:26px;font-weight:900}
.res ul{margin:0;padding-left:18px;color:var(--muted);font-size:15px;display:flex;flex-direction:column;gap:4px}
.sum{font-size:13px;margin:0;background:#fff;border:1px dashed #BFDCE5;border-radius:10px;padding:10px 12px;white-space:pre-line;color:var(--ink);user-select:all}
.airow{display:flex;gap:10px;flex-wrap:wrap}
.airow .btn{min-height:48px;font-size:15px;padding:0 20px}
.fine{font-size:12px;color:var(--muted)}
@media (prefers-reduced-motion:reduce){.node::before,.node::after,.btn-ai,.typer .cur,.ring{animation:none}}


/* 返回頂部 */
.totop{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:35;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand-ink);display:grid;place-items:center;cursor:pointer;box-shadow:0 8px 24px rgba(20,34,42,.14);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s}
.totop.show{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--brand-soft)}
.totop:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.totop svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:900px){.totop{bottom:calc(84px + env(safe-area-inset-bottom,0px));width:44px;height:44px}}

/* reCAPTCHA 徽章會被底部欄遮住，改為表格下方文字說明（Google 准許） */
.grecaptcha-badge{visibility:hidden!important}
.fine.rc{margin:4px 0 0}.fine.rc a{color:var(--brand-ink)}