:root{
  --primary:#eca413; --primary-dark:#b0780e; --primary-light:#fdf3d8;
  --bg:#f8f7f6; --surface:#fff; --text:#181611; --muted:#897c61; --line:#ece6d8;
  --line-green:#06c755;
  --radius:18px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){--bg:#221c10;--surface:#2d261a;--text:#f6f1e6;--muted:#b9ac90;--line:#3d3424;--primary-light:#3a2f14}
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"Manrope","Noto Sans TC",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:16px;border:2px solid transparent;transition:.2s;cursor:pointer}
.btn-primary{background:var(--primary);color:#181611}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-line{background:var(--line-green);color:#fff}
.btn-line:hover{filter:brightness(.92)}
.btn-ghost{border-color:var(--text);color:var(--text)}
.btn-ghost:hover{background:var(--text);color:var(--bg)}
svg.i{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* nav */
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav img{height:34px;width:auto}
.nav ul{display:flex;gap:28px;list-style:none;font-weight:600;font-size:15px}
.nav ul a:hover{color:var(--primary-dark)}
.nav .cta{display:flex;gap:10px;align-items:center}
.nav .cta .btn{padding:9px 20px;font-size:14px}
@media(max-width:820px){.nav ul{display:none}.nav .login{display:none}}

/* hero */
.hero{position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:var(--bg) url(img/hero.jpg) left center/auto 100% no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent calc(min(100vw,1400px)*0.42),var(--bg) calc(min(100vw,1400px)*0.62))}
.hero .wrap{position:relative;min-height:640px;display:flex;align-items:center;justify-content:flex-end}
.hero-copy{width:min(520px,100%);padding:56px 0}
.eyebrow{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-weight:700;font-size:13px;padding:5px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.2;font-weight:900;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero p.lead{margin:18px 0 28px;color:var(--muted);font-size:18px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{margin-top:16px;font-size:13px;color:var(--muted)}
@media(max-width:820px){
  .hero-bg{position:relative;height:300px;inset:auto}
  .hero-bg::after{background:linear-gradient(180deg,transparent 60%,var(--bg))}
  .hero{display:flex;flex-direction:column}
  .hero .wrap{min-height:0;justify-content:flex-start}
  .hero-copy{padding:8px 0 40px}
}

section{padding:84px 0}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:900;line-height:1.3;text-align:center}
.sub{text-align:center;color:var(--muted);margin:10px auto 48px;max-width:560px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:24px;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#181611;font-weight:800;display:grid;place-items:center}
.step h3{font-size:19px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px}
@media(max-width:820px){.steps{grid-template-columns:1fr;gap:28px}}

/* features */
.features{background:var(--surface);border-block:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.2s}
.card:hover{transform:translateY(-3px);border-color:var(--primary)}
.ico{width:48px;height:48px;border-radius:14px;background:var(--primary-light);color:var(--primary-dark);display:grid;place-items:center;margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:6px}
.card p{color:var(--muted);font-size:15px}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid{grid-template-columns:1fr}}

/* reports */
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:760px;margin:0 auto}
.chip{padding:9px 18px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:500}
.chip b{color:var(--primary-dark)}

/* scenes */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scene{text-align:center;padding:26px 14px}
.scene .ico{margin:0 auto 12px}
.scene h3{font-size:16px}
.scene p{font-size:14px;color:var(--muted)}
@media(max-width:820px){.scenes{grid-template-columns:repeat(2,1fr)}}

/* line */
.line-box{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:44px}
.line-box h2{text-align:left}
.line-box p{color:var(--muted);margin:14px 0 24px}
.chat{background:var(--bg);border:1px solid var(--line);border-radius:22px;padding:20px;display:flex;flex-direction:column;gap:10px;font-size:14px}
.b{max-width:82%;padding:10px 14px;border-radius:16px}
.b.me{align-self:flex-end;background:var(--line-green);color:#fff;border-bottom-right-radius:4px}
.b.bot{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:4px}
@media(max-width:820px){.line-box{grid-template-columns:1fr;padding:28px 22px}}

/* pricing + faq */
.price{max-width:720px;margin:0 auto;text-align:center;background:var(--primary-light);border-radius:var(--radius);padding:34px 28px}
.price h3{font-size:20px;margin-bottom:8px}
.price p{color:var(--muted)}
details{max-width:760px;margin:0 auto 12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 22px}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";color:var(--primary-dark);font-size:22px;line-height:1}
details[open] summary::after{content:"−"}
details p{margin-top:10px;color:var(--muted);font-size:15px}

/* cta */
.cta-band{position:relative;overflow:hidden;text-align:center;border-radius:28px;padding:72px 24px;background:url(img/wave.jpg) center/cover}
.cta-band h2{margin-bottom:10px}
.cta-band .actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.cta-band p{color:var(--muted)}

footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a:hover{color:var(--primary-dark)}

/* sub pages */
.page-hero{padding:64px 0 24px;text-align:center}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);font-weight:900;line-height:1.25}
.page-hero p{color:var(--muted);max-width:620px;margin:14px auto 0;font-size:17px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--primary-dark)}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.feat:first-of-type{border-top:0}
.feat.rev .feat-text{order:2}
.feat h2{text-align:left;font-size:clamp(23px,2.8vw,30px);margin-bottom:10px}
.feat .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--primary-dark);background:var(--primary-light);padding:3px 12px;border-radius:999px;margin-bottom:12px}
.feat p{color:var(--muted)}
.feat ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.feat li{padding-left:28px;position:relative;font-size:15px}
.feat li::before{content:"";position:absolute;left:0;top:.5em;width:16px;height:16px;border-radius:50%;background:var(--primary-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.5l2.3 2.3 4.7-5' fill='none' stroke='%23b0780e' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.mock{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 36px rgba(176,120,14,.08);font-size:14px}
.mock .row{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line)}
.mock .row:last-child{border:0}
.sp{flex:none;font-weight:700;font-size:12px;padding:3px 10px;border-radius:999px;color:#181611}
.sp.a{background:#fdf3d8}.sp.b{background:#e6efe9}.sp.c{background:#e8e9f6}
.mock .bar{height:8px;border-radius:99px;background:var(--line);margin:8px 0;overflow:hidden}
.mock .bar i{display:block;height:100%;background:var(--primary)}
.mock h4{font-size:14px;margin-bottom:6px}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;background:var(--primary-light);color:var(--primary-dark);font-weight:700}
.pill.ok{background:#e3f6ea;color:#177a3c}
@media(max-width:820px){.feat{grid-template-columns:1fr;gap:24px;padding:40px 0}.feat.rev .feat-text{order:0}}
table.t{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:15px}
table.t th,table.t td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.t th{background:var(--primary-light);color:var(--primary-dark);font-size:13px}
table.t tr:last-child td{border:0}
.tablewrap{overflow-x:auto}
.note-box{max-width:760px;margin:24px auto 0;padding:16px 20px;border-radius:14px;background:var(--primary-light);font-size:14px;color:var(--text)}
.toc{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:26px}
.toc a{padding:8px 18px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:600}
.toc a:hover{border-color:var(--primary)}
.way{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.way .card{background:var(--surface)}
.way ol,.stepl{margin:12px 0 0;padding-left:20px;color:var(--muted);font-size:15px;display:grid;gap:6px}
.stepl{max-width:760px;margin:0 auto;gap:14px;font-size:16px}
.stepl b{color:var(--text)}
code.k{background:var(--primary-light);color:var(--primary-dark);padding:1px 8px;border-radius:6px;font-size:.92em;font-weight:600}
@media(max-width:820px){.way{grid-template-columns:1fr}}