:root{--y1:#FFE14D;--y2:#FFC22E;--pink:#FF3D7F;--plum:#2A1240;--soft:#5E4B70;--cream:#FFF8E6;--line:#EADFC4;--pinkText:#C8175A}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--plum);font:17px/1.75 "Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img,video{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;z-index:20;background:#fff;padding:8px 12px;border-radius:8px}
/* header */
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--y1) 92%,transparent);backdrop-filter:blur(8px)}
.top .wrap{display:flex;align-items:center;gap:16px;height:64px}
.top img{height:40px;width:auto}
.top nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.top nav a{text-decoration:none;font-weight:700;font-size:15px;padding:8px 12px;border-radius:999px}
.top nav a:hover,.top nav a[aria-current]{background:#ffffff90}
.top nav .lang{border:2px solid var(--plum);padding:4px 12px}
@media (max-width:719px){.top nav a:not(.lang):not(.keep){display:none}}
/* hero */
.hero{background:linear-gradient(160deg,var(--y1),var(--y2));padding:40px 0 0;overflow:hidden}
.hero .wrap{display:grid;gap:32px;align-items:end}
@media (min-width:880px){.hero .wrap{grid-template-columns:1.15fr .85fr;padding-top:24px}}
.hero.small{padding:40px 0 48px}.hero.small .wrap{display:block}
.tag{display:inline-block;font-weight:700;font-size:14px;background:var(--plum);color:var(--y1);padding:4px 14px;border-radius:999px;margin:0 0 18px}
h1{margin:0 0 20px;font-weight:900;font-size:clamp(40px,9vw,80px);line-height:1.12;letter-spacing:.02em}
.home h1{font-size:clamp(46px,11vw,96px)}
.ktv{position:relative;display:block;width:max-content;max-width:100%;color:#fff;-webkit-text-stroke:.16em var(--plum);paint-order:stroke fill}
.ktv i{position:absolute;inset:0;font-style:normal;color:var(--pink);-webkit-text-stroke:.16em var(--plum);paint-order:stroke fill;clip-path:inset(-20% 100% -20% -2%);animation:sing 1.1s cubic-bezier(.45,.05,.55,.95) forwards}
.ktv:nth-child(2) i{animation-delay:1.25s}
@keyframes sing{to{clip-path:inset(-20% -2% -20% -2%)}}
.lead{font-size:clamp(17px,2.3vw,20px);max-width:34em;margin:0 0 8px}
.note{font-size:14px;font-weight:500;margin:0 0 24px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.hero.small .cta{margin-bottom:0}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:16px;padding:14px 22px;border-radius:999px;border:3px solid var(--plum);background:var(--plum);color:#fff;min-height:52px}
.btn.ghost{background:transparent;color:var(--plum)}
.btn small{font-weight:500;font-size:13px;opacity:.85}
span.btn{cursor:default}
.phone{justify-self:center;width:min(300px,78vw);border-radius:40px 40px 0 0;border:10px solid var(--plum);border-bottom:0;overflow:hidden;background:#000;position:relative}
.phone video{width:100%;aspect-ratio:9/16;object-fit:cover}
.sound{position:absolute;right:10px;top:10px;font-weight:700;font-size:13px;line-height:1;font-family:inherit;background:#fffffff0;color:var(--plum);border:0;border-radius:999px;padding:9px 13px;cursor:pointer}
/* sections */
section{padding:72px 0}
section.tight{padding-top:0}
h2{font-size:clamp(28px,5vw,40px);line-height:1.3;margin:0 0 12px;font-weight:900}
h3{font-size:21px;margin:0 0 4px}
.sub{color:var(--soft);margin:0 0 36px;max-width:36em}
.steps{display:grid;gap:16px;counter-reset:s;padding:0;margin:0;list-style:none}
@media (min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{background:var(--cream);border-radius:24px;padding:24px;counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--y1);font-weight:900;font-size:22px;margin-bottom:12px;box-shadow:inset 0 -4px 0 var(--y2)}
.steps b{display:block;font-size:19px;margin-bottom:4px}
.cream{background:var(--cream)}
.cards{display:grid;gap:20px}
@media (min-width:860px){.cards{grid-template-columns:1fr 1fr}}
.card{background:#fff;border-radius:28px;padding:28px;border:2px solid var(--line);display:flex;flex-direction:column}
.card .who{font-size:14px;font-weight:700;color:var(--pinkText);margin:0}
.card h3{font-size:28px;margin:2px 0 8px;font-weight:900}
.card ul,.list{margin:0 0 20px;padding-left:1.2em}
.card li,.list li{margin:4px 0}
.price{border-top:2px dashed var(--line);padding-top:16px;margin-top:auto}
.price table{width:100%;border-collapse:collapse;font-size:16px}
.price td{padding:6px 0}.price td:last-child{text-align:right;font-weight:900;font-size:19px}
.price p{font-size:14px;color:var(--soft);margin:8px 0 16px}
.price .row{display:flex;flex-wrap:wrap;gap:12px}
.dev{display:inline-block;font-size:13px;font-weight:700;background:var(--plum);color:#fff;border-radius:6px;padding:0 8px;margin-left:4px;vertical-align:2px}
.grid3{display:grid;gap:24px}
@media (min-width:760px){.grid3{grid-template-columns:repeat(3,1fr)}}
.grid3 b{display:block;font-size:18px;color:var(--pinkText)}
.keys{width:100%;border-collapse:collapse;max-width:640px}
.keys td{padding:12px 0;border-bottom:2px solid var(--line)}
kbd{font-weight:700;font-size:15px;line-height:1;font-family:inherit;background:#fff;border:2px solid var(--plum);border-bottom-width:4px;border-radius:8px;padding:4px 8px;white-space:nowrap}
details{border-bottom:2px solid var(--line);padding:16px 0}
summary{font-weight:700;font-size:18px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"＋";color:var(--pinkText);font-weight:900}
details[open] summary::after{content:"－"}
details p{margin:8px 0 0;color:var(--soft)}
/* long reading pages: legal, support, refund */
.doc{max-width:760px;margin:0 auto;padding:40px 16px 72px}
.doc h1{font-size:clamp(30px,6vw,40px);margin-bottom:8px}
.doc h2{font-size:22px;margin:36px 0 8px}
.doc h3{font-size:18px;margin:24px 0 4px}
.doc a{color:#5B2A86}
.doc table{border-collapse:collapse;width:100%;font-size:15px;display:block;overflow-x:auto}
.doc th,.doc td{border:1px solid var(--line);padding:8px;vertical-align:top;text-align:left}
.doc th{background:var(--cream)}
.doc .lang{margin:0 0 24px;font-size:15px}
.doc .box{background:var(--cream);border-radius:20px;padding:20px 24px;margin:24px 0}
footer{background:var(--plum);color:#fff;padding:40px 0 56px;font-size:15px}
footer .wrap{display:grid;gap:20px}
footer nav{display:flex;flex-wrap:wrap;gap:8px 20px}
footer a{color:#fff}
footer img{height:36px;width:auto}
@media (prefers-reduced-motion:reduce){.ktv i{animation:none;clip-path:none}html{scroll-behavior:auto}}