/* CollectHub 介紹頁。零外部請求：字型用系統字、圖示是內嵌 SVG、動畫是原生 CSS／JS。 */
:root{
  color-scheme:light dark;
  --bg:#f4f0e9;--panel:#fffdfa;--ink:#2f2924;--muted:#74695e;--line:#e3dace;
  --accent:#a4471c;--accent-ink:#fff;--soft:#f0e3d4;--glow:#e98c4f;
  --band:#2a211b;--band-ink:#f4ece2;--band-muted:#c4b4a3;--band-line:#4a3b30;
  --shadow:0 18px 50px -18px #4a2a1466;
  --sans:"PingFang TC","Noto Sans TC","Heiti TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;
  --nav-h:64px;--gutter:clamp(16px,5vw,56px);--max:1160px;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#1c1916;--panel:#26221e;--ink:#f0e8de;--muted:#b3a697;--line:#3b342d;
    --accent:#ec9a66;--accent-ink:#2a1a10;--soft:#3a2d23;--glow:#ec9a66;
    --band:#120f0d;--band-ink:#f0e8de;--band-muted:#a89a8b;--band-line:#342b24;
    --shadow:0 18px 50px -18px #000c;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{display:block}
svg{width:1em;height:1em;flex:none}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
h1,h2,h3,.lede,.step p,.pain-copy p{text-wrap:balance}
.br-sm{display:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:10px 14px;border-radius:8px}
.skip:focus{top:12px}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:650;letter-spacing:.14em;color:var(--accent)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--glow);animation:beacon 2.4s infinite}
@keyframes beacon{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--glow) 60%,transparent)}70%,100%{box-shadow:0 0 0 10px transparent}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:999px;border:1.5px solid var(--accent);background:var(--accent);color:var(--accent-ink);font:inherit;font-size:16px;font-weight:650;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px var(--accent)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);box-shadow:none}
.btn-small{min-height:40px;padding:0 16px;font-size:14px}

/* ---------- 導覽列 ---------- */
.nav{position:sticky;top:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;gap:24px;padding:0 var(--gutter);background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:750;color:var(--ink);text-decoration:none;letter-spacing:-.02em;margin-right:auto}
.brand-mark{width:32px;height:32px;border-radius:8px}
.nav nav{display:flex;gap:4px}
.nav nav a{color:var(--muted);text-decoration:none;font-size:15px;padding:8px 12px;border-radius:8px}
.nav nav a:hover{color:var(--ink);background:var(--soft)}

section{padding:clamp(72px,11vw,140px) var(--gutter)}
section>h2,.scenes-intro h2,.privacy-inner>h2{font-size:clamp(30px,4.4vw,48px);font-weight:750;margin-top:14px}

/* ---------- 手機外框（共用） ---------- */
/* 螢幕比例＝模擬器截圖 1206×2622，疊加標示一律用百分比對齊截圖 */
.phone{--pw:290px;position:relative;width:var(--pw);padding:calc(var(--pw)*.034);border-radius:calc(var(--pw)*.165);background:linear-gradient(145deg,#3b342e,#141110 60%);box-shadow:inset 0 0 0 1.5px #5a5048,var(--shadow);container-type:inline-size}
.screen{position:relative;aspect-ratio:1206/2622;border-radius:calc(var(--pw)*.132);overflow:hidden;background:#faf5ec;isolation:isolate}
.screen::after{content:"";position:absolute;z-index:10;left:34.4%;top:1.65%;width:31.3%;height:4%;border-radius:99px;background:#000}
.shot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scr-light{--s-ink:#2b241f;--s-muted:#8a7d72;background:#f7f2ea;color:var(--s-ink);font-size:3.6cqw;line-height:1.45}
.status{position:relative;height:12cqw;display:flex;align-items:center;justify-content:space-between;padding:1.5cqw 8cqw 0;font-size:3.9cqw;font-weight:650}
.sig{display:flex;align-items:flex-end;gap:.7cqw;height:3cqw}
.sig i{width:1cqw;background:currentColor;border-radius:.4cqw}
.sig i:nth-child(1){height:35%}.sig i:nth-child(2){height:55%}.sig i:nth-child(3){height:78%}.sig i:nth-child(4){height:100%}

/* 疊在截圖上的標示：外框圈、點擊漣漪、地圖脈衝 */
.ring{position:absolute;left:var(--x);top:var(--y);width:var(--w);height:var(--h);border-radius:99px;box-shadow:0 0 0 .7cqw #e98c4f,0 0 0 2.4cqw #e98c4f33;opacity:0;scale:1.25;pointer-events:none;z-index:6}
.tap{position:absolute;left:var(--x);top:var(--y);width:12cqw;height:12cqw;margin:-6cqw 0 0 -6cqw;border-radius:50%;background:#2b241f40;opacity:0;scale:.3;z-index:6;pointer-events:none}
@keyframes ring{0%{opacity:0;scale:1.25}40%{opacity:1;scale:1}100%{opacity:1;scale:1}}
@keyframes tap{0%{opacity:0;scale:.3}30%{opacity:1;scale:1}100%{opacity:0;scale:1.4}}

/* ---------- ① 封面 ---------- */
.hero{max-width:var(--max);margin:0 auto;min-height:calc(100svh - var(--nav-h));display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:clamp(24px,5vw,64px);padding-top:clamp(32px,5vw,64px);padding-bottom:clamp(48px,6vw,80px)}
.hero h1 .line{white-space:nowrap}
.hero h1{font-size:clamp(40px,5.6vw,70px);font-weight:800;letter-spacing:-.03em;line-height:1.18;margin:18px 0 22px}
.mark{position:relative;white-space:nowrap;color:var(--accent)}
.mark::after{content:"";position:absolute;left:-.04em;right:-.04em;bottom:.02em;height:.24em;border-radius:.1em;background:color-mix(in srgb,var(--glow) 30%,transparent);z-index:-1;transform-origin:left;animation:underline .9s .5s cubic-bezier(.6,0,.2,1) backwards}
@keyframes underline{from{transform:scaleX(0)}}
.sub{font-size:clamp(19px,2vw,24px);font-weight:700;letter-spacing:-.005em;margin-bottom:12px}
.lede{font-size:clamp(17px,1.7vw,20px);color:var(--muted);max-width:30em}
.hero .lede{word-break:keep-all}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-copy>*{animation:rise .8s cubic-bezier(.2,.8,.2,1) backwards}
.hero-copy>:nth-child(2){animation-delay:.08s}.hero-copy>:nth-child(3){animation-delay:.16s}.hero-copy>:nth-child(4){animation-delay:.24s}.hero-copy>:nth-child(5){animation-delay:.32s}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}

.hero-stage{text-align:left;position:relative;height:clamp(560px,52vw,660px);display:grid;place-items:center}
.hero-stage .phone{--pw:min(clamp(250px,24vw,300px),calc((100svh - var(--nav-h) - 90px)*.4775));z-index:1;animation:rise 1s .1s cubic-bezier(.2,.8,.2,1) backwards}
.float{position:absolute;z-index:2;width:200px;padding:12px 14px;border-radius:16px;background:var(--panel);color:var(--ink);box-shadow:var(--shadow);border:1px solid var(--line);display:grid;gap:4px;transform:rotate(var(--r));animation:bob 5s var(--bd) ease-in-out infinite alternate,pop .6s var(--pd) cubic-bezier(.2,1.4,.4,1) backwards;will-change:transform}
.float .src{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);font-weight:600}
.float .src svg{color:var(--accent);width:15px;height:15px}
.float b{font-size:14.5px;font-weight:650;line-height:1.4}
.f1{--r:-7deg;--bd:0s;--pd:.35s;top:8%;left:-2%}
.f2{--r:6deg;--bd:-1.6s;--pd:.5s;top:34%;right:-4%}
.f3{--r:-4deg;--bd:-3.2s;--pd:.65s;bottom:12%;left:-3%}
@keyframes bob{to{translate:0 -12px}}
@keyframes pop{from{opacity:0;scale:.6}}
.lib-row{position:absolute;left:2.49%;width:95.02%;top:var(--t);height:var(--h);opacity:0;transform:translateY(1.5cqw) scale(.97);transition:opacity .35s,transform .5s cubic-bezier(.2,1.3,.4,1)}
.lib-row.in{opacity:1;transform:none}

/* ---------- ② 痛點 ---------- */
.pain{text-align:center;max-width:860px;margin:0 auto}
.hunt{position:relative;display:flex;justify-content:center;gap:clamp(14px,4vw,36px);margin:56px auto 52px;padding-top:34px}
.spot{position:relative;display:grid;justify-items:center;gap:8px;width:86px;transition:opacity .4s}
.spot .app{width:68px;height:68px;border-radius:20px;background:var(--panel);border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);box-shadow:0 10px 24px -14px #4a2a1455;transition:transform .3s,filter .4s}
.spot .app svg{width:32px;height:32px}
.spot small{font-size:14px;color:var(--muted)}
.spot em{position:absolute;top:-30px;font-style:normal;font-size:12px;font-weight:650;color:var(--muted);background:var(--soft);padding:2px 9px;border-radius:99px;opacity:0;transform:translateY(6px);transition:.3s}
.spot.look .app{transform:translateY(-6px) rotate(-4deg)}
.spot.miss .app{filter:grayscale(1);opacity:.55;transform:none}
.spot.miss em{opacity:1;transform:none}
.lens{position:absolute;left:0;top:34px;width:68px;height:68px;display:grid;place-items:center;color:var(--ink);pointer-events:none;opacity:0;transform:translate(16px,-14px);transition:left .55s cubic-bezier(.5,0,.3,1),opacity .3s,transform .3s}
.lens svg{width:44px;height:44px;filter:drop-shadow(0 4px 8px #0003)}
.lens.on{opacity:1}
.huh{position:absolute;left:50%;top:10px;translate:-50% 0;font-size:64px;font-weight:800;color:var(--accent);opacity:0;scale:.3;transition:opacity .3s,scale .5s cubic-bezier(.2,1.6,.4,1)}
.hunt.done .huh{opacity:1;scale:1}
.hunt.done .spot{opacity:.35}
.pain-copy{display:grid;gap:14px;font-size:clamp(17px,1.8vw,20px);color:var(--muted);max-width:34em;margin:0 auto}
.pain-copy .punch{margin-top:26px;font-size:clamp(24px,3.2vw,34px);font-weight:750;color:var(--ink);line-height:1.45}

/* ---------- ③ 使用情境 ---------- */
.scenes{max-width:var(--max);margin:0 auto;padding-bottom:40px}
.scenes-intro{text-align:center;margin-bottom:clamp(24px,5vw,60px)}
.scenes-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,6vw,96px)}
.scenes-sticky{position:sticky;top:max(calc(var(--nav-h) + 16px),calc((100svh + var(--nav-h) - 680px)/2));height:min(680px,calc(100svh - var(--nav-h) - 32px));display:flex;align-items:center;justify-content:center;gap:28px}
.phone-scene{--pw:min(300px,calc((min(680px,100svh - var(--nav-h) - 32px) - 16px)*.4775))}
.scene-dots{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.scene-dots li{width:8px;height:8px;border-radius:99px;background:var(--line);transition:height .4s,background-color .4s}
.scene-dots li.on{height:28px;background:var(--accent)}
.steps{list-style:none;margin:0;padding:0}
.step{min-height:78svh;display:flex;flex-direction:column;justify-content:center;opacity:.28;transition:opacity .5s}
.step.is-active{opacity:1}
.step .num{font-size:15px;font-weight:750;color:var(--accent);letter-spacing:.1em}
.step h3{font-size:clamp(26px,3.2vw,38px);font-weight:750;margin:10px 0 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.step p{font-size:clamp(17px,1.7vw,19px);color:var(--muted);max-width:24em}
.scene-caption{display:none}
.badge{font-size:13px;font-weight:700;letter-spacing:.04em;padding:3px 10px;border-radius:99px;background:var(--soft);color:var(--accent)}

.scr{position:absolute;inset:0;opacity:0;transform:scale(.97);transition:opacity .5s,transform .6s cubic-bezier(.2,.8,.2,1);pointer-events:none}
.scr.is-active{opacity:1;transform:none}
.scr.is-active .ring{animation:ring .5s var(--d) cubic-bezier(.2,1.2,.4,1) forwards}
.scr.is-active .tap{animation:tap .7s var(--d) ease-out forwards}
/* 同一段裡的下一個畫面：推入（往右滑進）或往下捲（往上滑進） */
.frame{opacity:0}
@keyframes push{from{opacity:0;transform:translateX(35%)}to{opacity:1;transform:none}}
@keyframes scrollin{from{opacity:0;transform:translateY(12%)}to{opacity:1;transform:none}}
@keyframes fadeaway{to{opacity:0}}

/* 情境 1：地圖 */
.ping{position:absolute;left:var(--x);top:var(--y);width:15cqw;height:15cqw;border-radius:50%;border:.8cqw solid #a8441a;translate:-50% -50%;opacity:0}
.scr-map.is-active .ping{animation:ping 2.2s var(--d) ease-out infinite}
@keyframes ping{0%{opacity:.9;scale:.45}100%{opacity:0;scale:1.7}}

/* 情境 2：搜尋 → 開啟截圖 → 掃描 → 捲到辨識出的文字 */
.scr-ocr.is-active .ring:not(.late){animation:ring .5s var(--d) cubic-bezier(.2,1.2,.4,1) forwards,fadeaway .2s 1.9s forwards}
.scr-ocr.is-active .f-image{animation:push .45s 1.9s cubic-bezier(.2,.8,.2,1) forwards}
.scanline{position:absolute;left:0;right:0;top:13%;height:7%;background:linear-gradient(transparent,#e98c4f55 70%,#e98c4f);opacity:0;z-index:5}
.scr-ocr.is-active .scanline{animation:scan 1.5s 2.6s ease-in-out forwards}
@keyframes scan{0%{opacity:1;top:10%}90%{opacity:1}100%{opacity:0;top:70%}}
.scr-ocr.is-active .f-text{animation:scrollin .55s 4.5s cubic-bezier(.2,.8,.2,1) forwards}

/* 情境 3：AI 整理結果由上往下展開 */
.veil{position:absolute;left:4.4%;right:4.4%;top:39.6%;bottom:9.8%;background:#fff;overflow:hidden;z-index:5;clip-path:inset(0 0 0 0)}
.sheen{position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,#f3e1d0 50%,transparent 70%);transform:translateX(-100%)}
.scr-recipe.is-active .sheen{animation:sheen 1s .5s ease-in-out 2}
@keyframes sheen{to{transform:translateX(100%)}}
.scr-recipe.is-active .veil{animation:unveil 1.8s 2.3s cubic-bezier(.5,0,.3,1) forwards}
@keyframes unveil{to{clip-path:inset(100% 0 0 0)}}

/* 情境 4：沒訊號，展開原文照樣讀 */
.scr-offline.is-active .f-text{animation:scrollin .55s 2.3s cubic-bezier(.2,.8,.2,1) forwards}

/* ---------- ④ 其他功能 ---------- */
.features{max-width:var(--max);margin:0 auto;text-align:center}
.feature-grid{list-style:none;margin:48px 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:16px;text-align:left}
.feature-grid li{flex:0 1 calc(25% - 12px);min-width:230px}
.feature-grid li{padding:24px;border-radius:20px;background:var(--panel);border:1px solid var(--line);transition:transform .3s,box-shadow .3s,border-color .3s}
.feature-grid li:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.fi{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--accent);margin-bottom:16px;transition:transform .4s cubic-bezier(.2,1.6,.4,1)}
.feature-grid li:hover .fi{transform:rotate(-8deg) scale(1.08)}
.fi svg{width:24px;height:24px}
.feature-grid b{font-size:18px}
.feature-grid p{font-size:15px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ---------- ⑤ 你的資料 ---------- */
.privacy{background:var(--band);color:var(--band-ink)}
.privacy-inner{max-width:var(--max);margin:0 auto;text-align:center}
.privacy .eyebrow{color:var(--glow)}
.privacy-list{list-style:none;margin:52px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px);text-align:left}
.privacy-list li{display:grid;gap:18px;padding-top:26px;border-top:1px solid var(--band-line)}
.pi{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:color-mix(in srgb,var(--glow) 18%,transparent);color:var(--glow)}
.pi svg{width:26px;height:26px}
.privacy-list b{font-size:20px}
.privacy-list p{color:var(--band-muted);font-size:16px;margin-top:8px}

/* ---------- ⑥ 價格 ---------- */
.pricing{max-width:var(--max);margin:0 auto;text-align:center}
.plans{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:18px;margin-top:52px;align-items:stretch;text-align:left}
.plan{position:relative;padding:32px 28px;border-radius:24px;background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column}
.plan h3{font-size:20px;font-weight:750}
.plan-featured{border:2px solid var(--accent);box-shadow:var(--shadow)}
.ribbon{position:absolute;top:-14px;left:28px;padding:4px 14px;border-radius:99px;background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:700}
.price{display:flex;align-items:baseline;gap:6px;margin:18px 0 4px}
.amt{font-size:42px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1}
.per{color:var(--muted);font-size:16px}
.plan-note{font-size:14px;color:var(--muted);min-height:1.75em}
.plan ul{list-style:none;margin:22px 0 0;padding:22px 0 0;border-top:1px solid var(--line);display:grid;gap:10px;font-size:15.5px}
.plan li{display:flex;gap:10px;line-height:1.55}
.plan li::before{content:"";width:18px;height:18px;flex:none;margin-top:3px;border-radius:50%;background:var(--soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6.5 12.5 3.5 3.5 7.5-8' fill='none' stroke='%23a4471c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.cycle{display:inline-flex;margin-top:16px;padding:4px;border-radius:99px;background:var(--soft);align-self:flex-start}
.cycle button{font:inherit;font-size:14px;font-weight:650;border:0;background:transparent;color:var(--muted);padding:7px 16px;border-radius:99px;cursor:pointer;display:flex;align-items:center;gap:6px;min-height:36px;transition:background-color .25s,color .25s}
.cycle button small{font-size:11.5px;color:var(--accent)}
.cycle button.on{background:var(--panel);color:var(--ink);box-shadow:0 2px 8px -2px #0002}
.amt.flip{animation:flip .45s cubic-bezier(.2,.8,.2,1)}
@keyframes flip{0%{opacity:0;transform:translateY(40%)}}
/* 買斷卡的早鳥禮：推到卡片底部，點了跳到信箱欄位 */
.perk{margin-top:auto;display:grid;gap:6px;padding:16px 18px;border-radius:16px;border:1.5px dashed color-mix(in srgb,var(--accent) 55%,var(--line));background:var(--soft);color:var(--ink);font-size:14.5px;line-height:1.6;text-decoration:none;transition:border-color .2s,transform .2s}
.plan ul:has(+.perk){margin-bottom:22px}
.perk:hover{border-color:var(--accent);transform:translateY(-2px)}
.perk b{color:var(--accent);white-space:nowrap}
.perk-tag{justify-self:start;padding:2px 10px;border-radius:99px;background:var(--accent);color:var(--accent-ink);font-size:12.5px;font-weight:700}
.perk-go{font-weight:700;color:var(--accent)}
.fineprint{margin-top:26px;font-size:14px;color:var(--muted)}

/* ---------- ⑦ 下載 ---------- */
.download{padding-bottom:0;overflow:hidden;background:linear-gradient(180deg,var(--bg),color-mix(in srgb,var(--glow) 16%,var(--bg)))}
.download-inner{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:auto 1fr;gap:clamp(32px,7vw,100px);align-items:center}
.rise{align-self:end;transform:translateY(55%);opacity:0;transition:transform 1.1s cubic-bezier(.2,.8,.2,1),opacity .6s}
.rise.in{transform:translateY(22%);opacity:1}
.phone-mini{--pw:240px}
.phone-mini .screen{display:flex;flex-direction:column;align-items:center;text-align:center}
.phone-mini .status{align-self:stretch}
.mini-icon{width:30cqw;height:30cqw;border-radius:7cqw;margin-top:20cqw;box-shadow:0 3cqw 6cqw -2cqw #a8441a66}
.rise.in .mini-icon{animation:hop 1s .9s cubic-bezier(.3,1.6,.5,1)}
@keyframes hop{40%{transform:translateY(-6cqw) scale(1.06)}}
.mini-name{margin-top:5cqw;font-size:6.5cqw;font-weight:800}
.mini-sub{margin-top:1cqw;font-size:3.8cqw;color:var(--s-muted)}
.download-copy{padding-bottom:clamp(72px,10vw,130px)}
.download-copy h2{font-size:clamp(32px,4.6vw,52px);font-weight:800;line-height:1.28}
.download-copy>p{font-size:18px;color:var(--muted);margin-top:18px;max-width:28em}
.notify{display:flex;gap:10px;margin-top:30px;max-width:520px}
.notify input[type=email]{flex:1;min-width:0;min-height:54px;padding:0 20px;border-radius:99px;border:1.5px solid var(--line);background:var(--panel);color:var(--ink);font:inherit;font-size:16px;transition:border-color .2s,box-shadow .2s}
.notify input[type=email]:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.notify .btn{min-height:54px}
.notify.in .btn{animation:nudge .7s 1.2s cubic-bezier(.3,1.6,.5,1)}
@keyframes nudge{40%{transform:translateY(-6px) scale(1.04)}}
.notify.busy .btn{opacity:.6;pointer-events:none}
.notify.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-8px)}50%{transform:translateX(6px)}75%{transform:translateX(-4px)}}
.trap{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-status{min-height:1.75em;margin-top:12px;font-size:15px;font-weight:600;color:var(--accent)}
.form-status.ok{display:flex;align-items:center;gap:8px}
.form-status.ok::before{content:"";width:22px;height:22px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6.5 12.5 3.5 3.5 7.5-8' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;animation:pop .45s cubic-bezier(.2,1.6,.4,1)}
.form-hint{font-size:14px;color:var(--muted);margin-top:4px}

.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding:28px var(--gutter);border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.foot nav{display:flex;gap:20px;flex-wrap:wrap}
.foot a{color:var(--muted);text-decoration:none;padding:6px 0}
.foot a:hover{color:var(--accent)}

/* ---------- 捲動進場 ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.8,.2,1),transform .7s cubic-bezier(.2,.8,.2,1);transition-delay:calc(var(--i,0)*80ms)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 版面斷點 ---------- */
@media (max-width:1020px){
  /* 窄螢幕照原始順序：免費在前，先讓人知道不付錢也能用 */
  .plans{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}
  .privacy-list{grid-template-columns:1fr;max-width:560px;margin-left:auto;margin-right:auto}
  .privacy-list li{grid-template-columns:auto 1fr;gap:18px}
}
@media (max-width:860px){
  :root{--nav-h:58px}
  body{font-size:16px}
  .br-sm{display:inline}
  .nav{gap:12px}
  .nav nav{display:none}
  .hero{grid-template-columns:1fr;min-height:0;text-align:center;padding-top:28px}
  .hero-copy{display:flex;flex-direction:column;align-items:center}
  .actions{justify-content:center}
  .hero-stage{height:520px;max-width:420px;width:100%;margin:0 auto}
  .hero-stage .phone{--pw:228px}
  .float{width:156px;padding:9px 11px;border-radius:13px}
  .float b{font-size:12.5px}
  .float .src{font-size:11px}
  .f1{left:-3%}.f2{right:-4%}.f3{left:-4%}

  .scenes-grid{grid-template-columns:1fr;gap:0}
  /* 手機版：手機畫面和說明一起釘住，下面的 .step 只負責撐出捲動距離 */
  .scenes-sticky{top:var(--nav-h);height:calc(100svh - var(--nav-h));z-index:2;flex-direction:column;justify-content:center;gap:14px;padding:10px 0 18px;background:var(--bg)}
  .phone-scene{--pw:min(236px,calc((100svh - var(--nav-h) - 250px)*.4775))}
  .scene-dots{grid-auto-flow:column}
  .scene-dots li.on{height:8px;width:26px}
  .scene-dots li{transition:width .4s,background-color .4s}
  .scene-caption{display:block;text-align:center;min-height:148px;max-width:30em;padding:0 4px;transition:opacity .25s}
  .scene-caption.swap{opacity:0}
  .scene-caption .num{font-size:13px;font-weight:750;color:var(--accent);letter-spacing:.1em}
  .scene-caption h3{font-size:23px;font-weight:750;margin:4px 0 8px;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap}
  .scene-caption p{font-size:15.5px;color:var(--muted);line-height:1.7;text-wrap:balance}
  .step{min-height:70svh;opacity:0!important}
  .step:last-child{min-height:40svh}

  .download-inner{grid-template-columns:1fr;text-align:center}
  .download-copy{order:-1;padding-bottom:0;display:flex;flex-direction:column;align-items:center}
  .notify{width:100%}
  .rise{justify-self:center;margin-top:20px}
  .rise.in{transform:translateY(30%)}
  .phone-mini{--pw:200px}
}
@media (max-width:520px){
  .feature-grid li{flex-basis:100%;min-width:0}
  .btn-small{padding:0 13px}
  .hero-stage{height:470px}
  .hero-stage .phone{--pw:206px}
  .float{width:132px}
  .f1{top:4%}.f2{top:36%}.f3{bottom:10%}
  .notify{flex-direction:column}
  .hunt{gap:10px}
  .spot{width:64px}
  .spot .app{width:56px;height:56px;border-radius:16px}
  .spot .app svg{width:26px;height:26px}
  .lens{width:56px;height:56px}
  .lens svg{width:36px;height:36px}
  .foot{justify-content:center;text-align:center}
}

/* ---------- 減少動態 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.001s!important;transition-delay:0s!important}
  .float{display:none}
  .lib-row{opacity:1;transform:none}
  .ping,.tap,.scanline,.veil{display:none}
  .frame{opacity:1}
  .scr-ocr .f-image{opacity:0}
}