:root{--g:#2E7D5B;--ink:#17332B;--leaf:#7BB661;--sun:#F2A541;--cream:#F7F5EE;--mute:#4A5F57;--line:#E3E0D5;--white:#fff;--line-green:#06C755}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:'Noto Sans TC','Plus Jakarta Sans',system-ui,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--g)}
img,svg{display:block;max-width:100%;height:auto}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.en{font-family:'Plus Jakarta Sans',sans-serif}

/* header */
header.top{position:sticky;top:0;z-index:20;background:rgba(247,245,238,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand b{font-family:'Plus Jakarta Sans',sans-serif;font-size:24px;font-weight:800;letter-spacing:-.03em}
.brand b span{color:var(--g)}
.brand small{font-size:12px;color:var(--mute);letter-spacing:.2em}
nav.main{display:flex;align-items:center;gap:24px;font-size:15px}
nav.main a{color:var(--ink);text-decoration:none;font-weight:500}
nav.main a:hover,nav.main a[aria-current]{color:var(--g)}
@media(max-width:760px){nav.main a:not(.btn){display:none}.brand small{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:700;text-decoration:none;font-size:17px;transition:transform .15s,background .15s;line-height:1.2}
.btn:hover{transform:translateY(-2px)}
.btn-line{background:var(--line-green);color:#fff!important;box-shadow:0 8px 20px rgba(6,199,85,.28)}
.btn-line:hover{background:#05b14c}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink)!important}
nav.main .btn{padding:9px 18px;font-size:14px;box-shadow:none}
.btn .av{width:32px;height:32px;border-radius:50%;margin:-8px 0 -8px -12px;flex-shrink:0}

/* hero */
.hero{padding:72px 0 48px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.eyebrow{font-size:13px;letter-spacing:.22em;font-weight:700;color:var(--g);margin:0 0 14px}
h1{font-size:clamp(36px,5.6vw,62px);line-height:1.2;margin:0 0 20px;font-weight:900}
h1 em{font-style:normal;color:var(--g)}
.lead{font-size:clamp(17px,2vw,20px);color:var(--mute);margin:0 0 30px;max-width:30em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-note{font-size:14px;color:var(--mute);margin:14px 0 0}
.hero-img{filter:drop-shadow(0 24px 40px rgba(23,51,43,.18))}
@media(max-width:900px){.hero{padding:40px 0 24px}.hero .wrap{grid-template-columns:1fr;gap:32px}}

/* sections */
section{padding:80px 0}
section.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
section.dark{background:var(--ink);color:var(--cream)}
section.dark .eyebrow{color:var(--leaf)}
section.dark .sub{color:#B9C7C0}
h2{font-size:clamp(28px,4vw,42px);line-height:1.3;margin:0 0 14px;font-weight:900}
.sub{color:var(--mute);margin:0 0 44px;font-size:18px;max-width:38em}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}

/* pains */
.pains{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.pain{background:rgba(247,245,238,.06);border:1px solid rgba(247,245,238,.14);border-radius:20px;padding:24px}
.pain .q{font-size:19px;font-weight:700;margin:0 0 8px;color:#fff}
.pain .a{margin:0;color:#B9C7C0;font-size:15px}
@media(max-width:900px){.pains{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.pains{grid-template-columns:1fr}}

/* showcase */
.show{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:center;margin-bottom:96px}
.show:last-child{margin-bottom:0}
.show.rev{grid-template-columns:1.25fr 1fr}
.show.rev .txt{order:2}
.show h3{font-size:clamp(26px,3.4vw,36px);line-height:1.3;margin:0 0 14px;font-weight:900}
.show h3 .en{color:var(--g)}
.show p{color:var(--mute);font-size:17px;margin:0 0 22px}
.tagline{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;padding:5px 12px;border-radius:999px;margin-bottom:16px}
.tag-g{background:#E1EFE6;color:var(--g)}.tag-s{background:#FCEBD2;color:#B5701A}
ul.check{list-style:none;padding:0;margin:0 0 26px}
ul.check li{position:relative;padding-left:32px;margin-bottom:10px;font-size:17px}
ul.check li::before{content:'';position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:50%;background:var(--leaf) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3L15 7' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.shot{border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(23,51,43,.16);border:1px solid var(--line);background:#fff}
.shot.bare{border:0;box-shadow:none;background:none;border-radius:0;filter:drop-shadow(0 20px 36px rgba(23,51,43,.16))}
.more{font-weight:700;text-decoration:none;font-size:16px}
@media(max-width:900px){.show,.show.rev{grid-template-columns:1fr;gap:28px;margin-bottom:72px}.show.rev .txt{order:0}}

/* phones */
.phones{display:flex;gap:20px;justify-content:center;align-items:flex-end}
.phones img{width:46%;max-width:250px;border-radius:26px;box-shadow:0 20px 44px rgba(23,51,43,.2);border:6px solid var(--ink)}
.phones img:nth-child(2){margin-bottom:40px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:30px}
section.alt .step{background:var(--cream)}
.step .n{font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;font-size:44px;line-height:1;color:var(--sun)}
.step h3{margin:12px 0 6px;font-size:21px}
.step p{margin:0;color:var(--mute)}
@media(max-width:900px){.steps{grid-template-columns:1fr}}

/* oliver band */
.oliver{display:grid;grid-template-columns:auto 1fr;gap:44px;align-items:center;background:var(--g);color:#fff;border-radius:32px;padding:52px}
.oliver h2{color:#fff}
.oliver p{color:#DDEBE3;margin:0 0 28px;font-size:18px}
.oliver .av-lg{width:200px;height:200px}
.bubble{position:relative;background:#fff;color:var(--ink);border-radius:18px;padding:10px 18px;font-weight:700;display:inline-block;margin-bottom:16px;font-size:16px}
.bubble::after{content:'';position:absolute;left:-9px;top:14px;border:8px solid transparent;border-right-color:#fff;border-left:0}
@media(max-width:760px){.oliver{grid-template-columns:1fr;padding:34px 26px;gap:20px}.oliver .av-lg{width:120px;height:120px}.bubble::after{display:none}}

/* trust */
.trust{display:flex;flex-wrap:wrap;gap:10px 26px;color:var(--mute);font-size:15px;margin-top:22px}
.center .trust{justify-content:center}
.trust span::before{content:'✓ ';color:var(--g);font-weight:700}

/* faq */
details{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:18px 22px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';color:var(--g);font-size:22px;line-height:1}
details[open] summary::after{content:'−'}
details p{margin:12px 0 0;color:var(--mute)}

/* floating Oliver */
.fab{position:fixed;right:20px;bottom:20px;z-index:50;display:flex;align-items:center;gap:10px;text-decoration:none}
.fab .tip{background:#fff;color:var(--ink);font-weight:700;font-size:14px;padding:9px 14px;border-radius:14px;box-shadow:0 8px 24px rgba(23,51,43,.18);white-space:nowrap}
.fab .pic{position:relative}
.fab img{width:64px;height:64px;border-radius:50%;box-shadow:0 10px 26px rgba(23,51,43,.3);transition:transform .2s}
.fab:hover img{transform:scale(1.08) rotate(-4deg)}
.fab .dot{position:absolute;right:1px;top:1px;width:15px;height:15px;border-radius:50%;background:var(--line-green);border:2px solid #fff}
@media(max-width:520px){.fab .tip{display:none}.fab img{width:58px;height:58px}}

/* footer */
footer{background:var(--ink);color:#B9C7C0;padding:52px 0 100px;font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
footer a{color:#DDEBE3;text-decoration:none}
footer .brand b{color:#fff}
footer .brand b span{color:var(--leaf)}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
.crumb{font-size:14px;color:var(--mute);margin-bottom:14px}
.crumb a{text-decoration:none}
.hero .wrap{grid-template-columns:1fr 1.05fr}
.hero h1{font-size:clamp(34px,4.4vw,54px)}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* blog */
.post-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:28px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.post-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(23,51,43,.1)}
.post-card h2{font-size:21px;line-height:1.45;margin:10px 0 10px}
.post-card p{color:var(--mute);font-size:15px;margin:0 0 16px;flex-grow:1}
.post-card .go{font-weight:700;color:var(--g);font-size:15px}
@media(max-width:900px){.post-list{grid-template-columns:1fr}}
.article{max-width:760px;margin:0 auto;padding:56px 20px 40px}
.article h1{font-size:clamp(28px,4.4vw,42px);line-height:1.35;margin:0 0 14px}
.article .meta{color:var(--mute);font-size:14px;margin:0 0 32px}
.article .intro{font-size:19px;color:var(--ink);background:var(--white);border-left:4px solid var(--leaf);padding:18px 22px;border-radius:0 14px 14px 0;margin:0 0 36px}
.article h2{font-size:clamp(22px,3vw,28px);margin:44px 0 12px;line-height:1.4}
.article h3{font-size:20px;margin:28px 0 8px}
.article p,.article li{font-size:17px;line-height:1.95}
.article ul,.article ol{padding-left:1.4em}
.article li{margin-bottom:6px}
.article table{width:100%;border-collapse:collapse;margin:18px 0 8px;font-size:16px;background:var(--white);border-radius:12px;overflow:hidden}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article th{background:#E1EFE6;color:var(--ink)}
.table-wrap{overflow-x:auto}
.note{background:#FCEBD2;border-radius:14px;padding:16px 20px;font-size:15px!important;color:#6B4A12}
.post-cta{margin:48px 0 0;background:var(--g);color:#fff;border-radius:24px;padding:32px;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
.post-cta img{width:96px;height:96px}
.post-cta h3{margin:0 0 6px;color:#fff;font-size:22px}
.post-cta p{margin:0 0 16px;color:#DDEBE3;font-size:16px}
@media(max-width:600px){.post-cta{grid-template-columns:1fr}.post-cta img{width:72px;height:72px}}
.sources{font-size:14px!important;color:var(--mute)}
.sources a{word-break:break-all}
.related{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.related a{display:block;font-weight:700;text-decoration:none;margin:6px 0}