:root{
  --green:#114E43; --green-deep:#0C3A32; --green-soft:#1C6A5B;
  --mint:#5FBFA8; --mint-light:#9FD3C7; --bg:#F4F6F4; --card:#FFFFFF;
  --ink:#1E2B28; --ink-soft:#5E6E68; --line:#E4EAE7;
  --pink:#EC5C8D; --purple:#8B5CF6; --amber:#F5A623; --orange:#F4801F;
  --maxw:1040px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.nav-in{display:flex;align-items:center;gap:28px;height:62px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--green);font-size:20px;letter-spacing:1px;text-decoration:none;}
.brand .lm{width:30px;height:30px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);}
.brand .lm svg{width:19px;height:19px;}
.tabs{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap;justify-content:flex-end;}
.tab{appearance:none;border:none;background:transparent;cursor:pointer;color:var(--ink-soft);font-family:inherit;font-size:15px;font-weight:600;padding:9px 16px;border-radius:999px;transition:.15s;white-space:nowrap;text-decoration:none;}
.tab:hover{color:var(--green);background:rgba(95,191,168,.12);}
.tab.active{background:var(--green);color:#fff;}
.nav-cta{background:var(--green);color:#fff;border:none;cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;padding:9px 18px;border-radius:999px;letter-spacing:.5px;margin-left:6px;text-decoration:none;display:inline-flex;align-items:center;}
.nav-cta:hover{background:var(--green-soft);}
.lang-toggle{background:#fff;color:var(--green);border:1.5px solid var(--green);cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;padding:8px 14px;border-radius:999px;letter-spacing:.5px;margin-left:6px;text-decoration:none;display:inline-flex;align-items:center;transition:.15s;}
.lang-toggle:hover{background:var(--green);color:#fff;}

/* HERO */
.hero{background:linear-gradient(135deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;padding:52px 0 56px;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.badge{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.12);border:1px solid rgba(159,211,199,.4);padding:7px 14px;border-radius:999px;font-size:13px;letter-spacing:1.5px;color:var(--mint-light);}
.hero h1{font-size:clamp(32px,6vw,58px);font-weight:800;margin:20px 0 4px;letter-spacing:2px;line-height:1.05;}
.hero .en{font-size:16px;letter-spacing:6px;color:var(--mint-light);font-weight:500;}
.hero .tag{margin-top:22px;font-size:19px;font-weight:500;color:#DCEFE9;max-width:420px;border-left:4px solid var(--mint);padding-left:16px;line-height:1.7;}
.hero .sub2{margin-top:18px;font-size:15px;color:#BFE0D7;line-height:1.7;max-width:440px;}

/* HERO MOCK */
.mock{background:#fff;border-radius:16px;box-shadow:0 20px 50px rgba(8,40,35,.35);overflow:hidden;}
.mock-bar{height:34px;background:#EEF1F0;display:flex;align-items:center;gap:6px;padding:0 14px;}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:#CFD8D5;display:inline-block;}
.mock-body{display:grid;grid-template-columns:74px 1fr;min-height:280px;}
.mock-side{background:var(--green);padding:14px 10px;display:flex;flex-direction:column;gap:9px;}
.mock-side b{height:9px;border-radius:5px;background:rgba(255,255,255,.28);}
.mock-side b.on{background:var(--mint);}
.mock-main{padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start;background:var(--bg);}
.m-card{background:#fff;border-radius:10px;padding:13px 12px;border-left:4px solid var(--mint);box-shadow:0 4px 12px rgba(17,78,67,.06);}
.m-card.p{border-left-color:var(--pink);}
.m-card.u{border-left-color:var(--purple);}
.m-card.a{border-left-color:var(--amber);}
.m-card.o{border-left-color:var(--orange);}
.m-card .t{font-size:13px;font-weight:700;color:var(--ink);}
.m-card .s{font-size:11px;color:var(--ink-soft);margin-top:3px;}

/* SECTIONS */
section{padding:48px 0;border-top:1px solid var(--line);scroll-margin-top:74px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--green-soft);margin-bottom:8px;}
h2{font-size:28px;font-weight:800;color:var(--green);margin-bottom:14px;letter-spacing:.5px;line-height:1.25;}
h3{color:var(--ink);}
p{font-size:16px;color:var(--ink-soft);margin-bottom:11px;line-height:1.7;}
p:last-child{margin-bottom:0;}
.lead{font-size:17px;color:var(--ink);font-weight:500;}
a{color:var(--green);}
a:hover{color:var(--green-soft);}

/* PRODUCT (2-col) shared */
.prod-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;margin-top:10px;align-items:start;}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px;}
.chips span{font-size:13px;font-weight:600;color:#fff;padding:7px 13px;border-radius:999px;background:var(--mint);}
.chips span:nth-child(2){background:var(--pink);}
.chips span:nth-child(3){background:var(--purple);}
.chips span:nth-child(4){background:var(--amber);}
.chips span:nth-child(5){background:var(--orange);}
.chips span:nth-child(6){background:var(--green-soft);}
.chips span:nth-child(7){background:var(--mint);}
.whofor .label{font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--green-soft);margin-bottom:10px;}
.whofor .tag{display:block;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--mint);border-radius:10px;padding:12px 14px;font-size:14px;color:var(--ink-soft);margin-bottom:9px;}

/* PRODUCT LINEUP (homepage) */
.prod-line{display:grid;grid-template-columns:1fr;gap:18px;margin-top:22px;}
.pcard{background:var(--card);border-radius:14px;border-top:5px solid var(--mint);box-shadow:0 6px 18px rgba(17,78,67,.07);padding:20px;display:flex;flex-direction:row;gap:22px;align-items:stretch;}
.pcard:nth-child(2){border-top-color:var(--mint-light);}
.pcard:nth-child(3){border-top-color:var(--purple);}
.pcard:nth-child(4){border-top-color:var(--amber);}
.pcard:nth-child(5){border-top-color:var(--pink);}
.pcard-text{flex:1;min-width:0;}
.pcard .ptag{font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--green-soft);}
.pcard h3{font-size:18px;font-weight:700;color:var(--ink);margin:6px 0 4px;}
.pcard .ppos{font-size:13px;color:var(--green-soft);font-weight:600;margin-bottom:10px;}
.pcard ul{list-style:none;padding:0;margin:0 0 12px;}
.pcard li{font-size:13.5px;color:var(--ink-soft);padding:4px 0 4px 16px;position:relative;line-height:1.5;}
.pcard li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--mint);}
.pcard:nth-child(2) li::before{background:var(--mint-light);}
.pcard:nth-child(3) li::before{background:var(--purple);}
.pcard:nth-child(4) li::before{background:var(--amber);}
.pcard:nth-child(5) li::before{background:var(--pink);}
.pcard .more{display:inline-block;font-size:13px;font-weight:700;color:var(--green);text-decoration:none;border:1.5px solid var(--green);padding:7px 16px;border-radius:999px;transition:.15s;}
.pcard .more:hover{background:var(--green);color:#fff;}
.pcard-img{width:360px;flex-shrink:0;border-radius:12px;overflow:hidden;box-shadow:0 8px 22px rgba(17,78,67,.12);background:var(--bg);position:relative;cursor:zoom-in;}
.pcard-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease;transform-origin:center center;}
.pcard-img:hover img{transform:scale(2);}

/* SUBPAGE HERO (product/cases/privacy) */
.subhero{background:linear-gradient(135deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;padding:40px 0 44px;}
.subhero .back{display:inline-flex;align-items:center;gap:6px;color:var(--mint-light);text-decoration:none;font-size:14px;font-weight:600;margin-bottom:18px;}
.subhero .back:hover{color:#fff;}
.subhero .ptag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--mint-light);background:rgba(255,255,255,.12);padding:6px 12px;border-radius:999px;margin-bottom:12px;}
.subhero h1{font-size:clamp(26px,5vw,42px);font-weight:800;letter-spacing:1px;margin-bottom:10px;}
.subhero .sub-tag{font-size:16px;color:#DCEFE9;max-width:620px;line-height:1.7;}

/* FEATURE GRID (subpage) */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:22px;}
.fcard{background:var(--card);border-radius:14px;border-left:5px solid var(--mint);box-shadow:0 6px 18px rgba(17,78,67,.07);padding:18px 20px;}
.fcard:nth-child(2){border-left-color:var(--pink);}
.fcard:nth-child(3){border-left-color:var(--purple);}
.fcard:nth-child(4){border-left-color:var(--amber);}
.fcard:nth-child(5){border-left-color:var(--orange);}
.fcard:nth-child(6){border-left-color:var(--green-soft);}
.fcard h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.fcard p{font-size:14px;margin:0;line-height:1.6;}

/* SUBPAGE LAYOUT */
.sub-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:10px;align-items:start;}
.shot{margin-top:22px;border-radius:14px;overflow:hidden;box-shadow:0 12px 30px rgba(17,78,67,.14);background:var(--bg);position:relative;cursor:zoom-in;}
.shot img{width:100%;display:block;transition:transform .35s ease;transform-origin:center center;}
.shot:hover img{transform:scale(1.6);}
.other-products{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px;}
.opcard{background:var(--card);border-radius:12px;border-top:4px solid var(--mint);box-shadow:0 6px 18px rgba(17,78,67,.07);padding:16px;text-decoration:none;display:block;transition:.15s;}
.opcard:nth-child(2){border-top-color:var(--mint-light);}
.opcard:nth-child(3){border-top-color:var(--purple);}
.opcard:nth-child(4){border-top-color:var(--amber);}
.opcard:nth-child(5){border-top-color:var(--pink);}
.opcard:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(17,78,67,.12);}
.opcard .opt{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--green-soft);}
.opcard .oph{font-size:16px;font-weight:700;color:var(--ink);margin:4px 0 6px;}
.opcard .opd{font-size:13px;color:var(--ink-soft);line-height:1.5;}

/* QUOTE / CTA */
.quote{background:var(--green);color:#fff;border-radius:18px;padding:38px 36px;text-align:center;margin-top:8px;}
.quote .big{font-size:23px;font-weight:700;line-height:1.6;margin-bottom:14px;}
.quote .small{font-size:15px;color:var(--mint-light);line-height:1.7;}
.cta{background:var(--green);color:#fff;border-radius:18px;padding:34px 32px;text-align:center;}
.cta h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:10px;}
.cta p{font-size:15px;color:var(--mint-light);margin:0 0 18px;line-height:1.7;}
.cta a{display:inline-block;background:#fff;color:var(--green);text-decoration:none;font-weight:700;font-size:15px;padding:11px 26px;border-radius:999px;letter-spacing:.5px;}
.cta a:hover{background:var(--mint-light);color:var(--green);}

/* CASES */
.case{background:linear-gradient(135deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;border-radius:18px;padding:34px 32px;margin-top:22px;}
.case .ctag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--mint-light);background:rgba(255,255,255,.12);padding:6px 12px;border-radius:999px;margin-bottom:12px;}
.case h3{font-size:24px;font-weight:800;color:#fff;margin-bottom:6px;}
.case .csub{font-size:15px;color:var(--mint-light);margin-bottom:18px;line-height:1.7;}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.case .col h4{font-size:14px;font-weight:700;color:var(--mint-light);margin-bottom:8px;letter-spacing:1px;}
.case .col p{font-size:14px;color:#EAF6F1;margin:0 0 8px;line-height:1.65;}
.case .hl{color:#fff;font-weight:600;}
.case-shot{margin:18px 0 24px;border-radius:14px;overflow:hidden;box-shadow:0 12px 30px rgba(0,0,0,.18);background:var(--bg);position:relative;cursor:zoom-in;}
.case-shot img{width:100%;display:block;transition:transform .35s ease;transform-origin:center center;}
.case-shot:hover img{transform:scale(1.8);}

footer{background:var(--green-deep);color:var(--mint-light);text-align:center;padding:30px 0;font-size:13px;letter-spacing:.5px;line-height:1.8;}
footer a{color:#fff;text-decoration:none;}

/* 404 */
.err404{text-align:center;padding:80px 0;}
.err404 .code{font-size:96px;font-weight:800;color:var(--green);letter-spacing:4px;}
.err404 h1{font-size:26px;color:var(--ink);margin:8px 0 12px;}
.err404 p{color:var(--ink-soft);}
.err404 a{display:inline-block;margin-top:18px;background:var(--green);color:#fff;text-decoration:none;font-weight:700;padding:11px 26px;border-radius:999px;}

/* tablet */
@media (max-width:1024px){
  .feat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:840px){
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .mock{display:none;}
  .hero h1{font-size:46px;}
  .prod-grid{grid-template-columns:1fr;gap:22px;}
  .feat-grid{grid-template-columns:1fr;}
  .sub-grid{grid-template-columns:1fr;}
  .other-products{grid-template-columns:1fr;}
  .pcard{flex-direction:column;}
  .pcard-img{width:100%;height:210px;}
  .case-grid{grid-template-columns:1fr;}
  .nav-in{height:auto;flex-wrap:wrap;justify-content:space-between;padding:10px 0 0;gap:0;}
  .tabs{order:3;width:100%;margin:0;flex-wrap:nowrap;gap:8px;overflow-x:auto;padding:8px 0 12px;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
  .tabs::-webkit-scrollbar{display:none;}
  .tab{flex-shrink:0;font-size:14px;padding:8px 14px;}
  .nav-cta{order:2;margin-left:0;font-size:13px;padding:8px 14px;}
  .lang-toggle{order:2;margin-left:0;font-size:13px;padding:8px 12px;}
  h2{font-size:24px;}
}
@media (hover:none){
  .pcard-img:hover img,.case-shot:hover img,.shot:hover img{transform:none;}
}
@media (max-width:480px){
  .wrap{padding:0 18px;}
  .hero{padding:38px 0 40px;}
  .hero .tag{font-size:17px;max-width:none;}
  .hero .en{letter-spacing:4px;}
  .badge{font-size:12px;}
  .tabs{gap:4px;}
  .tab{font-size:14px;padding:8px 12px;}
  .nav-cta{font-size:13px;padding:8px 14px;margin-left:0;}
  .lang-toggle{font-size:13px;padding:8px 12px;margin-left:0;}
  h2{font-size:21px;}
  .case{padding:26px 20px;}
  .cta{padding:28px 20px;}
  .pcard-img{height:180px;}
}