/* ============================================================
   博山科技 — 首頁(premium / 動態)
   深色 hero + 動態儀表板 + 明暗交錯 + 捲動動畫
   ============================================================ */

/* ---------- 捲動進場動畫 ---------- */
.js .reveal{opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in{opacity:1; transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1; transform:none; transition:none} }

/* ============================================================
   HERO(深色)
   ============================================================ */
.lp-hero{position:relative; overflow:hidden; background:
  radial-gradient(900px 500px at 50% -8%, oklch(42% 0.16 262 / .55), transparent 60%),
  linear-gradient(180deg, oklch(24% 0.06 264), oklch(20% 0.05 264) 60%, oklch(22% 0.055 264));
  color:#fff; padding-top:calc(72px + clamp(2.5rem,6vw,4.5rem)); padding-bottom:0}
.lp-hero canvas#heroFx{position:absolute; inset:0; width:100%; height:100%; opacity:.55; pointer-events:none}
.lp-hero .glow{position:absolute; border-radius:50%; filter:blur(70px); opacity:.5; pointer-events:none}
.lp-hero .glow.g1{width:520px; height:520px; background:oklch(55% 0.2 262); left:-160px; top:-120px}
.lp-hero .glow.g2{width:460px; height:460px; background:oklch(70% 0.13 200); right:-140px; top:40px; opacity:.35}
.lp-hero .inner{position:relative; z-index:2; text-align:center; max-width:1040px; margin-inline:auto}
.lp-badge{display:inline-flex; align-items:center; gap:.5em; background:oklch(100% 0 0 / .08); border:1px solid oklch(100% 0 0 / .16);
  border-radius:var(--r-full); padding:.4em 1em; font-family:var(--font-zh); font-size:var(--t-sm); font-weight:600; color:oklch(90% 0.03 255); margin-bottom:1.4rem}
.lp-badge .dot{width:7px; height:7px; border-radius:50%; background:var(--cyan-500); box-shadow:0 0 0 4px oklch(72% 0.13 212 / .25)}
.lp-hero h1{color:#fff; font-size:clamp(2.4rem,5.4vw,3.9rem); line-height:1.1; letter-spacing:-.02em; margin:0 0 1.2rem; white-space:nowrap}
.lp-hero h1 .hl{color:var(--blue-500); position:relative}
.lp-hero .sub{font-size:clamp(1.05rem,2.2vw,1.35rem); color:oklch(84% 0.03 255); max-width:56ch; margin:0 auto 2rem; line-height:1.7}
.lp-hero .cta{display:flex; gap:.9rem; justify-content:center; flex-wrap:wrap}
.lp-hero .btn-primary{box-shadow:0 12px 32px oklch(72% 0.15 70 / .42)}
.lp-tags{display:flex; gap:.6rem; justify-content:center; flex-wrap:wrap; margin-top:1.8rem}
.lp-tags a{font-family:var(--font-zh); font-size:var(--t-sm); color:oklch(86% 0.03 255); background:oklch(100% 0 0 / .06);
  border:1px solid oklch(100% 0 0 / .12); border-radius:var(--r-full); padding:.4em .95em; transition:.2s}
.lp-tags a:hover{background:oklch(100% 0 0 / .14); color:#fff; transform:translateY(-2px)}

/* ---------- 動態儀表板 mockup ---------- */
.mock-wrap{position:relative; z-index:2; max-width:1120px; margin:3rem auto 0; padding-bottom:clamp(3rem,7vw,5rem)}
.mock{background:linear-gradient(180deg, oklch(27% 0.05 264), oklch(23% 0.045 264)); border:1px solid oklch(100% 0 0 / .1);
  border-radius:18px 18px 0 0; box-shadow:0 -2px 0 oklch(100% 0 0/.05) inset, 0 40px 80px oklch(15% 0.06 264 / .6); overflow:hidden}
.mock-top{display:flex; align-items:center; gap:.7rem; padding:.8rem 1.1rem; border-bottom:1px solid oklch(100% 0 0 / .08); background:oklch(100% 0 0/.02)}
.mock-top .dots{display:flex; gap:.4rem}
.mock-top .dots i{width:11px; height:11px; border-radius:50%; background:oklch(100% 0 0/.18); display:block}
.mock-top .mlogo{display:flex; align-items:center; gap:.45rem; color:#fff; font-family:var(--font-zh); font-weight:700; font-size:.92rem; margin-left:.4rem}
.mock-top .mlogo img{width:20px;height:20px}
.mock-top .mtitle{color:oklch(82% 0.03 255); font-family:var(--font-zh); font-size:var(--t-sm); margin-left:1rem}
.mock-top .mr{margin-left:auto; display:flex; gap:.5rem}
.mock-top .pill{font-size:var(--t-xs); color:oklch(78% 0.03 255); background:oklch(100% 0 0/.06); border:1px solid oklch(100% 0 0/.1); border-radius:6px; padding:.3em .7em; font-family:var(--font-zh)}
.mock-grid{display:grid; grid-template-columns:170px 1fr}
.mock-side{padding:1rem .7rem; border-right:1px solid oklch(100% 0 0/.07); display:flex; flex-direction:column; gap:.2rem}
.mock-side a{display:flex; align-items:center; gap:.6rem; padding:.55rem .7rem; border-radius:9px; color:oklch(74% 0.02 255);
  font-family:var(--font-zh); font-size:var(--t-sm); font-weight:500}
.mock-side a svg{width:16px;height:16px;opacity:.8}
.mock-side a.on{background:linear-gradient(90deg,var(--blue-600),var(--blue-700)); color:#fff}
.mock-main{padding:1.1rem; display:grid; gap:1rem; min-width:0}
.mock-kpis{display:grid; grid-template-columns:repeat(4,1fr); gap:.8rem}
.mk{background:oklch(100% 0 0/.04); border:1px solid oklch(100% 0 0/.08); border-radius:12px; padding:.85rem .95rem}
.mk .k{font-family:var(--font-zh); font-size:var(--t-xs); color:oklch(72% 0.02 255)}
.mk .v{font-family:var(--font-mono); font-size:1.45rem; font-weight:700; color:#fff; letter-spacing:-.02em; margin:.25rem 0 .2rem; line-height:1}
.mk .d{font-size:var(--t-xs); font-family:var(--font-zh); display:inline-flex; align-items:center; gap:.2em}
.mk .d.up{color:oklch(75% 0.15 155)} .mk .d.dn{color:var(--rose-500)}
.mock-row{display:grid; gap:1rem}
.mock-row.r1{grid-template-columns:1.7fr 1fr}
.mock-row.r2{grid-template-columns:1.2fr .9fr 1.1fr}
.mcard{background:oklch(100% 0 0/.035); border:1px solid oklch(100% 0 0/.08); border-radius:12px; padding:.95rem 1rem}
.mcard .h{display:flex; align-items:center; justify-content:space-between; margin-bottom:.7rem}
.mcard .h b{color:#fff; font-family:var(--font-zh); font-size:var(--t-sm); font-weight:600}
.mcard .h .tag{font-size:var(--t-xs); color:var(--cyan-500); background:oklch(72% 0.13 212/.12); border-radius:5px; padding:.2em .5em; font-family:var(--font-zh)}
.mcard canvas{width:100% !important}
.gauge{position:relative; text-align:center; padding-top:.4rem}
.gauge .gv{position:absolute; left:0; right:0; bottom:8px; }
.gauge .gn{font-family:var(--font-mono); font-size:2rem; font-weight:700; color:#fff; line-height:1}
.gauge .gl{font-family:var(--font-zh); font-size:var(--t-xs); color:var(--amber-500); margin-top:.1rem}
.minsight{font-family:var(--font-zh); font-size:var(--t-sm); color:oklch(82% 0.03 255); line-height:1.7}
.minsight .conf{margin-top:.7rem; font-size:var(--t-xs); color:oklch(70% 0.02 255)}
.minsight .bar{height:6px; background:oklch(100% 0 0/.08); border-radius:99px; margin-top:.3rem; overflow:hidden}
.minsight .bar span{display:block; height:100%; background:linear-gradient(90deg,var(--blue-500),var(--cyan-500)); border-radius:99px; width:0; transition:width 1.2s var(--ease)}

/* ============================================================
   信任 LOGO 帶(淺)
   ============================================================ */
.lp-trust{padding-block:clamp(2.2rem,5vw,3rem); background:var(--surface); border-bottom:1px solid var(--line)}
.lp-trust .t{text-align:center; font-family:var(--font-zh); color:var(--muted); font-size:var(--t-sm); margin-bottom:1.6rem}
.lp-trust .row{display:flex; justify-content:center; align-items:center; gap:clamp(1.5rem,5vw,3.5rem); flex-wrap:wrap}
.lp-trust .row .item{display:flex; align-items:center; gap:.6rem; color:var(--navy-700); font-family:var(--font-zh); font-weight:700; opacity:.78; transition:opacity .2s, transform .2s}
.lp-trust .row .item:hover{opacity:1; transform:translateY(-2px)}
.lp-trust .row .item svg{width:26px; height:26px; color:var(--blue-600)}

/* ============================================================
   一站式建置(3 支柱)
   ============================================================ */
.pil{display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem}
.pil .card{background:var(--surface); border:1px solid var(--line); border-radius:var(--r-xl); padding:1.8rem;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s}
.pil .card:hover{transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:var(--blue-500)}
.pil .pic{height:170px; display:grid; place-items:center; margin-bottom:1.2rem;
  background:radial-gradient(circle at 50% 40%, var(--blue-100), transparent 70%); border-radius:var(--r-lg)}
.pil .pic img{max-height:160px; width:auto; filter:drop-shadow(0 12px 20px oklch(45% 0.12 264/.18))}
.pil h3{font-size:var(--t-xl); margin-bottom:.5rem}
.pil p{color:var(--ink-soft); font-size:var(--t-sm); margin:0}
.pil .stat{margin-top:1rem; display:flex; align-items:baseline; gap:.4rem}
.pil .stat .n{font-family:var(--font-mono); font-size:1.6rem; font-weight:700; color:var(--blue-700)}
.pil .stat .l{font-family:var(--font-zh); font-size:var(--t-xs); color:var(--muted)}

/* ============================================================
   四大產品(2x2 premium)
   ============================================================ */
.prod{display:grid; grid-template-columns:1fr 1fr; gap:1.3rem}
.prod .card{display:grid; grid-template-columns:auto 1fr; gap:1.3rem; align-items:start; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--r-xl); padding:1.6rem; transition:transform .3s var(--ease), box-shadow .3s var(--ease)}
.prod .card:hover{transform:translateY(-5px); box-shadow:var(--shadow-lg)}
.prod .thumb{width:108px; height:108px; border-radius:var(--r-lg); overflow:hidden; background:var(--bg-alt); flex:0 0 auto}
.prod .thumb img{width:100%; height:100%; object-fit:cover}
.prod h3{font-size:var(--t-lg); margin:.1rem 0 .4rem}
.prod .card > div > p{color:var(--ink-soft); font-size:var(--t-sm); margin:0 0 .7rem}
.prod .chips{display:flex; flex-wrap:wrap; gap:.4rem}
.prod .chips span{font-family:var(--font-zh); font-size:var(--t-xs); color:var(--navy-700); background:var(--bg-alt);
  border:1px solid var(--line); border-radius:var(--r-full); padding:.25em .7em}

/* ============================================================
   數據帶(深)
   ============================================================ */
.statx{background:linear-gradient(135deg, oklch(28% 0.06 264), oklch(34% 0.1 263)); color:#fff; position:relative; overflow:hidden}
.statx::after{content:""; position:absolute; inset:0; background:radial-gradient(700px 300px at 80% -20%, oklch(70% 0.13 212/.25), transparent 60%); pointer-events:none}
.statx .row{position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem; padding-block:clamp(2.5rem,5vw,3.5rem)}
.statx .it{text-align:center}
.statx .it + .it{border-left:1px solid oklch(100% 0 0/.12)}
.statx .v{font-family:var(--font-mono); font-size:clamp(2rem,4.5vw,3rem); font-weight:700; letter-spacing:-.03em; line-height:1; display:flex; align-items:center; justify-content:center; gap:.3rem}
.statx .v small{color:var(--cyan-500); font-size:.5em}
.statx .v svg{width:30px;height:30px;color:var(--cyan-500)}
.statx .k{font-family:var(--font-zh); font-size:var(--t-sm); color:oklch(86% 0.03 255); margin-top:.6rem}
.statx .s{font-size:var(--t-xs); color:oklch(72% 0.02 255); margin-top:.2rem}

/* ============================================================
   解決方案 flow(淺)
   ============================================================ */
.flow-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:3rem; align-items:center}
.flow-cols{display:grid; grid-template-columns:1fr auto 1.3fr auto 1fr; gap:.6rem; align-items:center}
.flow-list{display:grid; gap:.55rem}
.flow-list .f{display:flex; align-items:center; gap:.6rem; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-md); padding:.6rem .8rem; font-family:var(--font-zh); font-size:var(--t-sm); color:var(--navy-700); font-weight:500}
.flow-list .f svg{width:16px;height:16px;color:var(--blue-600);flex:0 0 auto}
.flow-arrow{color:var(--muted); display:grid; place-items:center}
.flow-arrow svg{width:22px;height:22px}
.flow-hub{background:linear-gradient(165deg, oklch(28% 0.06 264), oklch(22% 0.05 264)); border-radius:var(--r-lg); padding:1.1rem; color:#fff; box-shadow:var(--shadow-lg)}
.flow-hub .hh{font-family:var(--font-zh); font-weight:700; font-size:var(--t-sm); margin-bottom:.7rem; display:flex; align-items:center; gap:.4rem}
.flow-hub .mini{display:grid; grid-template-columns:1fr 1fr; gap:.6rem}
.flow-hub .mini .b{background:oklch(100% 0 0/.05); border:1px solid oklch(100% 0 0/.08); border-radius:9px; padding:.6rem; height:78px}
.flow-hub canvas{width:100% !important}

/* ============================================================
   CTA(深)
   ============================================================ */
.lp-cta{position:relative; overflow:hidden; color:#fff; border-radius:var(--r-xl); padding:clamp(2.6rem,6vw,4.2rem); text-align:center;
  background:
    radial-gradient(620px 320px at 12% 8%, oklch(62% 0.17 235 / .55), transparent 62%),
    radial-gradient(560px 340px at 92% 96%, oklch(52% 0.17 292 / .5), transparent 60%),
    linear-gradient(135deg, oklch(36% 0.13 264), oklch(47% 0.19 262) 55%, oklch(44% 0.15 250))}
/* 網點紋理 */
.lp-cta::before{content:""; position:absolute; inset:0; pointer-events:none;
  background-image:radial-gradient(oklch(100% 0 0 / .12) 1px, transparent 1.6px); background-size:24px 24px;
  -webkit-mask-image:radial-gradient(78% 78% at 50% 50%, #000, transparent 76%);
  mask-image:radial-gradient(78% 78% at 50% 50%, #000, transparent 76%); opacity:.55}
/* 光球 */
.lp-cta .orb{position:absolute; border-radius:50%; filter:blur(26px); pointer-events:none}
.lp-cta .orb.o1{width:300px; height:300px; right:-70px; top:-110px; background:radial-gradient(circle, oklch(76% 0.13 200 / .55), transparent 66%)}
.lp-cta .orb.o2{width:260px; height:260px; left:-80px; bottom:-120px; background:radial-gradient(circle, oklch(60% 0.18 290 / .45), transparent 66%)}
.lp-cta > *:not(.orb){position:relative; z-index:1}
.lp-cta h2{color:#fff; font-size:clamp(1.7rem,4vw,2.6rem)}
.lp-cta p{color:oklch(92% 0.03 255); max-width:48ch; margin:.7rem auto 1.8rem}

/* ============================================================
   RWD
   ============================================================ */
@media (max-width:980px){
  .mock-grid{grid-template-columns:1fr}
  .mock-side{flex-direction:row; overflow-x:auto; border-right:0; border-bottom:1px solid oklch(100% 0 0/.07)}
  .mock-side a{white-space:nowrap}
  .mock-row.r1,.mock-row.r2{grid-template-columns:1fr}
  .pil{grid-template-columns:1fr}
  .prod{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr; gap:2rem}
  .flow-cols{grid-template-columns:1fr; gap:.8rem}
  .flow-arrow{transform:rotate(90deg)}
}
@media (max-width:620px){
  .mock-kpis{grid-template-columns:1fr 1fr}
  .statx .row{grid-template-columns:1fr 1fr; gap:0}
  .statx .it{padding:1.1rem 0}
  .statx .it + .it{border-left:0}
  .statx .it:nth-child(n+2){}
  .statx .it:nth-child(odd){border-right:1px solid oklch(100% 0 0/.12)}
  .lp-hero h1{font-size:clamp(1.6rem,8vw,2.5rem); white-space:normal}
  .lp-hero{padding-top:calc(64px + 2rem)}
  .mock-wrap{margin-top:2rem}
}