:root{
  --bg:#07040f; --bg-2:#0d0919; --card:rgba(255,255,255,.045); --card-2:rgba(255,255,255,.07); --line:rgba(255,255,255,.11);
  --ink:#f4f1ff; --muted:#b9b3cf; --dim:#8a83a3;
  --cyan:#19e6ff; --magenta:#ff2fd2; --violet:#7a4dff; --sun:#ffb36b; --tbd:#ffd36b; --err:#ff6b8b;
  --display:"Orbitron","Noto Sans TC",system-ui,sans-serif;
  --font:"Noto Sans TC",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
  --gutter:20px; --radius:20px;
  --dock-h:0px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:var(--dock-h)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
b,strong{font-weight:700}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* preview banner + TBC markers (remove data-preview on <html> at launch) */
.pv{display:none}
[data-preview] .pv{display:block;position:relative;z-index:40;background:#2a2108;color:var(--tbd);font-size:.8rem;line-height:1.5;padding:8px var(--gutter);text-align:center;border-bottom:1px solid rgba(255,211,107,.25)}
mark.tbd{background:rgba(255,211,107,.12);color:var(--tbd);border:1px dashed rgba(255,211,107,.55);border-radius:6px;padding:0 6px;font-size:.88em;white-space:nowrap}

/* header */
.hd{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:12px;height:60px;padding:0 var(--gutter);background:rgba(7,4,15,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.hd.scrolled{border-bottom-color:var(--line)}
.logo{display:flex;flex-direction:column;line-height:1.15}
.logo b{font-family:var(--display);font-weight:900;font-size:1rem;letter-spacing:.12em}
.logo b span{color:var(--cyan)}
.logo small{font-size:.66rem;letter-spacing:.2em;color:var(--muted)}
.hd-nav{display:none}
.hd-cta{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;background:var(--cyan);color:#05121a;font-weight:700;font-size:.88rem}
.hd-back{font-size:.9rem;color:var(--muted);font-weight:500}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;border-radius:999px;font-weight:700;font-size:1rem;border:0;cursor:pointer;font-family:inherit;transition:transform .2s,box-shadow .2s,background .2s}
.btn:active{transform:scale(.98)}
.btn-cyan{background:var(--cyan);color:#05121a;box-shadow:0 10px 30px rgba(25,230,255,.25)}
.btn-mag{background:linear-gradient(90deg,var(--magenta),var(--violet));color:#fff;box-shadow:0 10px 30px rgba(255,47,210,.25)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-block{width:100%}
@media (hover:hover){.btn-cyan:hover,.btn-mag:hover{transform:translateY(-2px)}}

/* hero */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:36px var(--gutter) 0}
.hero-bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(120% 70% at 50% 0%,#1b0f3a 0%,var(--bg) 60%)}
.stars{position:absolute;inset:0;background-image:radial-gradient(1.2px 1.2px at 12% 18%,#fff8,transparent),radial-gradient(1px 1px at 72% 12%,#fff6,transparent),radial-gradient(1.4px 1.4px at 38% 30%,#fff5,transparent),radial-gradient(1px 1px at 88% 34%,#fff7,transparent),radial-gradient(1px 1px at 22% 44%,#fff4,transparent),radial-gradient(1.2px 1.2px at 58% 8%,#fff6,transparent)}
.sun{position:absolute;left:50%;bottom:31%;width:min(86vw,560px);aspect-ratio:1;transform:translateX(-50%);border-radius:50%;opacity:.5;
  background:linear-gradient(180deg,var(--sun) 0%,var(--magenta) 55%,var(--violet) 100%);
  -webkit-mask:linear-gradient(#000 0 52%,transparent 52% 56%,#000 56% 64%,transparent 64% 69%,#000 69% 76%,transparent 76% 82%,#000 82% 88%,transparent 88%);
  mask:linear-gradient(#000 0 52%,transparent 52% 56%,#000 56% 64%,transparent 64% 69%,#000 69% 76%,transparent 76% 82%,#000 82% 88%,transparent 88%)}
.floor{position:absolute;left:-60%;right:-60%;bottom:0;height:34%;transform-origin:50% 100%;transform:perspective(320px) rotateX(64deg);
  background-image:linear-gradient(rgba(25,230,255,.55) 1.5px,transparent 1.5px),linear-gradient(90deg,rgba(255,47,210,.5) 1.5px,transparent 1.5px);background-size:56px 56px;
  -webkit-mask:linear-gradient(to top,#000 20%,transparent 95%);mask:linear-gradient(to top,#000 20%,transparent 95%);animation:floor 2.4s linear infinite}
@keyframes floor{to{background-position:0 56px}}
.horizon{position:absolute;left:0;right:0;bottom:34%;height:2px;background:linear-gradient(90deg,transparent,var(--magenta),var(--cyan),transparent);box-shadow:0 0 24px var(--magenta)}

.hero-in{position:relative;max-width:1120px;margin:0 auto;display:grid;gap:36px}
.pill{display:inline-flex;align-items:center;gap:10px;padding:7px 14px 7px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:.82rem;font-weight:500;color:var(--ink)}
.pill i{width:8px;height:8px;border-radius:50%;background:var(--magenta);box-shadow:0 0 0 4px rgba(255,47,210,.2);animation:blink 1.6s ease-in-out infinite}
@keyframes blink{50%{opacity:.35}}
.hero h1{font-size:clamp(2.2rem,9.4vw,4.2rem);line-height:1.22;font-weight:900;letter-spacing:.01em;margin:18px 0 16px}
.grad{background:linear-gradient(90deg,var(--cyan) 0%,#9a8cff 45%,var(--magenta) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);margin:0 0 26px;max-width:34em}
.lead b{color:var(--ink)}
.actions{display:grid;gap:12px}
.facts{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:22px 0 0;font-size:.86rem;color:var(--muted)}
.facts li{display:flex;align-items:center;gap:8px}
.facts li:before{content:"";width:6px;height:6px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}

/* phone mock (illustration only) */
.phone-wrap{display:flex;justify-content:center;padding-bottom:40px}
.phone{position:relative;width:min(64vw,260px);aspect-ratio:9/18.5;border-radius:36px;padding:9px;background:linear-gradient(160deg,#2a2440,#0c0918);box-shadow:0 0 0 1px rgba(255,255,255,.12),0 30px 80px rgba(122,77,255,.35),0 0 60px rgba(25,230,255,.12)}
.screen{position:relative;height:100%;border-radius:28px;overflow:hidden;background:radial-gradient(80% 50% at 50% 38%,#ff7bd9 0%,#7a4dff 45%,#150b2e 100%)}
.screen:before{content:"";position:absolute;left:50%;top:22%;width:44%;aspect-ratio:1;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle at 50% 38%,#ffe1f3 0 28%,transparent 29%),radial-gradient(ellipse at 50% 100%,#ffe1f3 0 46%,transparent 47%);opacity:.85}
.notch{position:absolute;top:8px;left:50%;width:34%;height:18px;transform:translateX(-50%);border-radius:0 0 12px 12px;background:#0c0918;z-index:3}
.live{position:absolute;top:34px;left:12px;display:flex;align-items:center;gap:6px;z-index:2}
.live b{font-family:var(--display);font-size:.62rem;letter-spacing:.12em;background:var(--magenta);color:#fff;padding:3px 8px;border-radius:6px}
.live span{font-size:.66rem;background:rgba(0,0,0,.35);padding:3px 8px;border-radius:6px}
.chat{position:absolute;left:10px;right:44px;bottom:54px;display:flex;flex-direction:column;gap:6px;z-index:2}
.chat p{margin:0;align-self:flex-start;max-width:100%;font-size:.7rem;line-height:1.4;padding:5px 10px;border-radius:12px;background:rgba(0,0,0,.38);animation:chatin .5s ease both}
.chat p b{color:var(--cyan);font-weight:700;margin-right:4px}
@keyframes chatin{from{opacity:0;transform:translateY(8px)}}
.bar{position:absolute;left:10px;right:10px;bottom:12px;height:30px;border-radius:15px;background:rgba(0,0,0,.35);font-size:.66rem;line-height:30px;padding:0 12px;color:rgba(255,255,255,.7);z-index:2}
.hearts{position:absolute;right:8px;bottom:50px;width:36px;height:60%;z-index:2;pointer-events:none}
.hearts i{position:absolute;bottom:0;left:8px;font-style:normal;font-size:18px;animation:heart 3.2s ease-in infinite;opacity:0}
.hearts i:nth-child(2){animation-delay:.8s;left:2px;color:var(--cyan)}.hearts i:nth-child(3){animation-delay:1.6s;left:12px}.hearts i:nth-child(4){animation-delay:2.4s;left:4px;color:var(--sun)}
.hearts i{color:var(--magenta)}
@keyframes heart{0%{opacity:0;transform:translateY(0) scale(.6)}15%{opacity:1}100%{opacity:0;transform:translateY(-220px) translateX(-10px) scale(1.1)}}

/* sections */
.sec{padding:72px var(--gutter)}
.sec-alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.wrap{max-width:1120px;margin:0 auto}
.narrow{max-width:760px;margin:0 auto}
.eyebrow{display:block;font-family:var(--display);font-size:.68rem;font-weight:700;letter-spacing:.28em;color:var(--cyan);margin-bottom:10px}
h2{font-size:clamp(1.6rem,6.4vw,2.6rem);line-height:1.35;font-weight:900;margin:0 0 12px}
.sec-head{margin-bottom:32px}
.sec-head p{color:var(--muted);margin:0}

.roles{display:grid;gap:16px}
.role{position:relative;padding:26px 22px 22px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);overflow:hidden}
.role:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--accent)}
.role.amb{--accent:var(--cyan)}.role.str{--accent:linear-gradient(90deg,var(--magenta),var(--violet))}
.role .tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.08em;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.07);margin-bottom:12px}
.role.amb .tag{color:var(--cyan)}.role.str .tag{color:#ff8be6}
.role h3{font-size:1.3rem;line-height:1.45;margin:0 0 14px}
.ticks{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:26px;color:var(--muted);line-height:1.7}
.ticks li:before{content:"";position:absolute;left:2px;top:.6em;width:12px;height:7px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}
.role.str .ticks li:before{border-color:#ff8be6}
.role .note{display:block;text-align:center;margin-top:10px;font-size:.8rem;color:var(--dim)}

.timeline{display:grid;gap:14px;margin:0 0 28px;padding:0;list-style:none}
.timeline li{position:relative;padding:20px 20px 20px 74px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line)}
.timeline .n{position:absolute;left:20px;top:20px;font-family:var(--display);font-weight:900;font-size:1.5rem;line-height:1;color:transparent;-webkit-text-stroke:1px var(--cyan)}
.timeline h3{margin:0 0 2px;font-size:1.1rem}
.timeline .d{display:block;font-size:.8rem;color:var(--cyan);margin-bottom:6px;font-weight:500}
.timeline p{margin:0;color:var(--muted);font-size:.95rem}
.box{padding:22px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(25,230,255,.08),rgba(122,77,255,.06));border:1px solid rgba(25,230,255,.2)}
.box h3{margin:0 0 12px;font-size:1.05rem}
.box .ticks{margin:0}

.tiles{display:grid;gap:12px}
.tile{padding:20px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line)}
.tile .ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:12px;background:rgba(25,230,255,.1);color:var(--cyan)}
.tile:nth-child(2) .ico{background:rgba(255,47,210,.12);color:#ff8be6}.tile:nth-child(3) .ico{background:rgba(122,77,255,.16);color:#b49cff}.tile:nth-child(4) .ico{background:rgba(255,179,107,.12);color:var(--sun)}
.tile h3{margin:0 0 4px;font-size:1.05rem}
.tile p{margin:0;color:var(--muted);font-size:.93rem}

.cols{display:grid;gap:16px;margin-bottom:16px}
.terms{width:100%;border-collapse:collapse;border-radius:var(--radius);overflow:hidden;background:var(--card);border:1px solid var(--line);font-size:.95rem}
.terms th,.terms td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.terms tr:last-child th,.terms tr:last-child td{border-bottom:0}
.terms th{width:34%;font-weight:700;color:var(--ink);white-space:nowrap}
.terms td{color:var(--muted)}
.fine{font-size:.86rem;color:var(--dim);margin:12px 0 0}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;padding:16px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line)}
.steps li:before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:14px;font-family:var(--display);font-weight:900;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#06101a}
.steps h3{margin:0;font-size:1.02rem;line-height:1.5}
.steps p{margin:2px 0 0;color:var(--muted);font-size:.92rem}

.promise{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.promise li{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:16px;background:var(--card);border:1px solid var(--line);color:var(--muted);font-size:.95rem}
.promise li:before{content:"";flex:0 0 18px;height:18px;margin-top:.3em;border-radius:50%;background:radial-gradient(circle,var(--cyan) 0 30%,transparent 32%),rgba(25,230,255,.15)}

.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 2px;font-weight:700;font-size:1.02rem;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"";flex:0 0 12px;height:12px;border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(45deg);transition:transform .25s;margin-right:4px}
.faq details[open] summary:after{transform:rotate(-135deg)}
.faq details p{margin:0 0 18px;color:var(--muted);font-size:.96rem}

.final{text-align:center}
.final .actions{max-width:420px;margin:24px auto 0}

.ft{padding:40px var(--gutter) 48px;border-top:1px solid var(--line);font-size:.84rem;color:var(--dim);line-height:1.8}
.ft .wrap{display:grid;gap:10px}
.ft .logo{margin-bottom:6px}
.ft p{margin:0}

/* sticky bottom dock (phones) */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:35;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));background:rgba(7,4,15,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s}
.dock.show{transform:none}
.dock .btn{min-height:48px;padding:0 12px;font-size:.95rem}

/* reveal */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}

/* forms */
.fpage{padding:28px var(--gutter) 64px}
.fhead{max-width:640px;margin:0 auto 22px}
.fhead h1{font-size:clamp(1.7rem,7vw,2.4rem);line-height:1.35;margin:8px 0 10px;font-weight:900}
.fhead p{color:var(--muted);margin:0}
.ref-chip{display:none;margin-top:14px;padding:10px 14px;border-radius:14px;background:rgba(25,230,255,.08);border:1px solid rgba(25,230,255,.3);font-size:.9rem}
.ref-chip.on{display:block}
.ref-chip b{color:var(--cyan);font-family:var(--display);letter-spacing:.06em}
form.apply{max-width:640px;margin:0 auto;display:grid;gap:18px}
fieldset{margin:0;padding:20px 18px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);display:grid;gap:18px;min-width:0}
legend{float:left;width:100%;padding:0;margin:0 0 2px;font-weight:900;font-size:1.08rem}
legend small{display:block;font-weight:400;font-size:.82rem;color:var(--dim)}
.f{display:grid;gap:8px}
.f>label,.f>.lb{font-weight:700;font-size:.95rem;line-height:1.5}
.req{color:var(--magenta);margin-left:4px}
.opt{color:var(--dim);font-weight:400;font-size:.82rem;margin-left:6px}
.hint{font-size:.82rem;color:var(--dim);margin:-2px 0 0;line-height:1.6}
input[type=text],input[type=tel],input[type=email],input[type=number],input[type=url],select,textarea{width:100%;min-height:52px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--ink);font:inherit;font-size:16px;line-height:1.5;-webkit-appearance:none;appearance:none}
textarea{min-height:120px;resize:vertical}
select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
select option{background:#151026;color:var(--ink)}
input::placeholder,textarea::placeholder{color:#6f6889}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(25,230,255,.15)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:.93rem;color:var(--muted);cursor:pointer;user-select:none;transition:background .15s,border-color .15s,color .15s}
.chips input:checked+span{background:rgba(25,230,255,.14);border-color:var(--cyan);color:var(--ink)}
.chips input:focus-visible+span{outline:2px solid var(--cyan);outline-offset:2px}
.check{display:flex;gap:12px;align-items:flex-start;font-size:.93rem;color:var(--muted);line-height:1.6;cursor:pointer}
.check input{flex:0 0 22px;width:22px;height:22px;margin:1px 0 0;accent-color:var(--cyan)}
.privacy{border-radius:14px;background:rgba(255,255,255,.03);border:1px solid var(--line);font-size:.86rem;color:var(--muted)}
.privacy summary{cursor:pointer;padding:12px 14px;font-weight:700;color:var(--ink)}
.privacy div{padding:0 14px 14px;line-height:1.75}
.privacy dl{margin:0;display:grid;gap:6px}
.privacy dt{font-weight:700;color:var(--ink)}
.privacy dd{margin:0 0 6px}
.f.bad input,.f.bad select,.f.bad textarea{border-color:var(--err)}
.f.bad .chips span{border-color:rgba(255,107,139,.6)}
.errmsg{display:none;color:var(--err);font-size:.84rem;margin:0}
.f.bad .errmsg{display:block}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.submit-row{display:grid;gap:10px}
.form-alert{display:none;padding:14px 16px;border-radius:14px;font-size:.92rem;line-height:1.6}
.form-alert.on{display:block}
.form-alert.err{background:rgba(255,107,139,.1);border:1px solid rgba(255,107,139,.4);color:#ffc2cf}
.done{display:none;max-width:640px;margin:0 auto;text-align:center;padding:36px 22px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line)}
.done.on{display:block}
.done .ok{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#06101a}
.done h2{margin:0 0 8px}
.done p{color:var(--muted);margin:0 0 20px}
.done .pvnote{display:none;font-size:.82rem;color:var(--tbd);margin-top:14px}
.done.preview .pvnote{display:block}

/* tablet / desktop */
@media (min-width:640px){
  :root{--gutter:32px}
  .actions{grid-template-columns:auto auto;justify-content:start}
  .tiles{grid-template-columns:1fr 1fr}
  .final .actions{grid-template-columns:1fr 1fr;justify-content:stretch}
}
@media (min-width:960px){
  body{font-size:17.5px;--dock-h:0px!important}
  .hd{height:72px}
  .hd-nav{display:flex;gap:28px;font-size:.92rem;color:var(--muted)}
  .hd-nav a:hover{color:var(--ink)}
  .hero{padding-top:60px}
  .hero-in{grid-template-columns:1.15fr .85fr;align-items:center;min-height:calc(100vh - 140px)}
  .sun{left:74%;bottom:12%;width:560px}
  .horizon{bottom:12%}
  .floor{height:12%}
  .phone-wrap{padding-bottom:60px}
  .phone{width:280px}
  .sec{padding:110px var(--gutter)}
  .roles{grid-template-columns:1fr 1fr;gap:20px}
  .role{padding:32px 30px 28px}
  .program{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
  .program .timeline{margin:0}
  .tiles{grid-template-columns:repeat(4,1fr)}
  .cols{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(4,1fr)}
  .steps li{grid-template-columns:1fr}
  .promise{grid-template-columns:1fr 1fr}
  .dock{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important}
  .js .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}