:root{--bg:#F2F5FA;--ink:#1A1A1C;--muted:#5B6472;--line:#E1E6EE;--line2:#D7DDE5;--card:#FFFFFF;--accent:#FF6A1A;--accent-ink:#1A1A1C;--shadow:0 1px 2px rgba(26,26,28,.06)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Figtree','Noto Sans TC',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
img,video{display:block;max-width:100%}
button,select,input{font:inherit}
[hidden]{display:none!important}
html[lang="en"] [data-l="zh"]{display:none!important}
html:not([lang="en"]) [data-l="en"]{display:none!important}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:#fff;padding:12px 16px;border-radius:12px}
.skip:focus{left:16px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.accent{color:var(--accent)}
.nw{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#unlock{scroll-margin-top:16px}
.strip-track a{flex:none;display:block}

/* header */
.nav-shell{position:relative;padding:16px 24px 0}
.nav{max-width:1280px;margin:0 auto;min-height:64px;padding:8px 8px 8px 24px;border-radius:32px;background:#fff;box-shadow:var(--shadow),0 12px 32px -12px rgba(26,26,28,.2);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:600;font-size:21px;letter-spacing:-.03em;color:var(--ink)}
.nav-right{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.nav-links{display:flex;gap:4px 24px;margin-right:12px;font-size:15px}
.nav-links a{text-decoration:none;padding:12px 0;color:var(--ink)}
.nav-links a:hover{color:#000}
.nav-links a[aria-current="page"]{font-weight:600}
.lang{display:inline-flex;gap:2px;padding:3px;border-radius:999px;background:var(--bg);border:1px solid var(--line)}
.lang button{min-height:40px;min-width:52px;padding:0 12px;border-radius:999px;border:0;background:transparent;color:var(--muted);font-weight:600;font-size:14px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}
.signin{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:999px;border:1px solid var(--line2);background:#fff;color:var(--ink);font-weight:500;font-size:15px;text-decoration:none;cursor:pointer}
html:not(.signed-in) .signin .when-in,html.signed-in .signin .when-out{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 28px;border-radius:999px;border:0;text-decoration:none;font-weight:600;font-size:16px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn .arrow{color:var(--accent);font-size:18px;line-height:1}
.btn-dark{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-line{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.btn-accent{background:var(--accent);color:var(--accent-ink);font-weight:700;box-shadow:0 16px 32px -16px var(--accent)}
.btn-accent .arrow{color:inherit}
.btn-block{display:flex;width:100%}

/* hero */
.hero{position:relative;isolation:isolate;overflow:hidden;background:#0A0B0D;min-height:clamp(560px,62.5vw,900px);display:flex;flex-direction:column;color:#fff}
.bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 45%;z-index:-2}
.shade{position:absolute;inset:0;background:rgba(7,8,10,.45);z-index:-1}
.hero-body{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:32px 24px 40px}
.hero h1{margin:0 auto;max-width:16em;font-weight:600;font-size:clamp(44px,6.4vw,96px);line-height:1.05;letter-spacing:-.04em;text-wrap:balance}
.hero-ctas{margin-top:40px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.strip{position:relative;padding:20px 0 28px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.strip-track{display:flex;gap:16px;width:max-content;animation:sk-scroll 48s linear infinite}
.strip:hover .strip-track{animation-play-state:paused}
.strip-track img{flex:none;width:232px;aspect-ratio:16/10;border-radius:14px;object-fit:cover;object-position:top;border:1px solid rgba(255,255,255,.2);box-shadow:0 16px 32px -18px #000;transition:transform .35s ease,box-shadow .35s ease}
.strip-track img:hover{transform:translateY(-10px) scale(1.06);box-shadow:0 28px 48px -20px #000}
@keyframes sk-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* library */
.lib{padding-top:48px;padding-bottom:104px}
.filters{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.tabs{display:flex;gap:4px;max-width:100%;overflow-x:auto;padding:4px;border-radius:999px;background:#fff;box-shadow:var(--shadow)}
.tabs button{flex:none;min-height:44px;padding:0 18px;border-radius:999px;border:0;background:transparent;color:var(--ink);font-weight:500;font-size:15px;white-space:nowrap;cursor:pointer}
.tabs button[aria-pressed="true"]{background:var(--ink);color:#fff}
.tabs .count{margin-left:4px;font-size:13px;color:var(--muted)}
.tabs button[aria-pressed="true"] .count{color:#B4BAC5}
.select{display:flex;align-items:center;gap:6px;min-height:48px;padding:0 10px 0 18px;border-radius:999px;background:#fff;box-shadow:var(--shadow);font-size:14px;color:var(--muted)}
.select select{min-height:44px;border:0;background:transparent;color:var(--ink);font-weight:500;font-size:14px;outline:none;cursor:pointer}
.select select:disabled{opacity:.4;cursor:not-allowed}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:32px 20px;margin-top:20px}
.grid[hidden],.card[hidden],.panel-msg[hidden]{display:none}
.thumb{position:relative;display:block;aspect-ratio:4/3;border-radius:16px;overflow:hidden;background:#E4E8EF;border:1px solid var(--line);transition:transform .4s ease,box-shadow .4s ease}
.thumb video{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .6s ease}
.card:hover .thumb{transform:translateY(-4px);box-shadow:0 22px 44px -24px rgba(26,26,28,.45)}
.card:hover .thumb video{transform:scale(1.04)}
.card-meta{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:14px 2px 0}
.card h3{margin:0;font-weight:600;font-size:18px;line-height:1.35}
.card h3 a{text-decoration:none}
.label{margin:4px 0 0;font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--muted)}
.copy-link{flex:none;display:inline-flex;align-items:center;gap:6px;min-height:44px;text-decoration:none;font-size:14px;font-weight:500}
.panel-msg{margin-top:20px;background:#fff;border-radius:24px;padding:64px 24px;text-align:center;box-shadow:var(--shadow)}
.panel-msg .dot{width:64px;height:64px;margin:0 auto;border-radius:999px;background:var(--accent);display:grid;place-items:center}
.panel-msg p{margin:22px 0 0;font-weight:600;font-size:26px;letter-spacing:-.02em}

/* faq */
.faq{display:flex;flex-wrap:wrap;gap:32px 64px;align-items:flex-start;padding-bottom:96px}
.faq-head{flex:1 1 300px;min-width:0}
.faq-head h2{margin:0;font-weight:600;font-size:clamp(40px,4.8vw,72px);line-height:1.02;letter-spacing:-.045em;text-wrap:balance}
.text-link{margin-top:24px;display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:600;font-size:16px;text-decoration:none}
.faq-list{flex:2 1 520px;min-width:0;display:flex;flex-direction:column;gap:12px}
.qa{background:#fff;border-radius:24px;border:1px solid #fff;box-shadow:var(--shadow);transition:border-color .3s ease}
.qa.open{border-color:var(--accent)}
.qa>button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:76px;padding:0 24px;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:600;font-size:18px;cursor:pointer}
.plus{flex:none;width:40px;height:40px;border-radius:999px;display:grid;place-items:center;border:1px solid var(--line2);background:#fff;transition:transform .35s ease,background-color .3s ease,border-color .3s ease}
.qa.open .plus{transform:rotate(45deg);background:var(--accent);border-color:var(--accent)}
.ans{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s ease}
.qa.open .ans{grid-template-rows:1fr}
.ans>div{overflow:hidden;min-height:0}
.ans p{margin:0;padding:0 24px 24px;font-size:16px;line-height:1.8;color:var(--muted);opacity:0;transition:opacity .3s ease}
.qa.open .ans p{opacity:1}

/* purchase panel */
.cta-panel{position:relative;overflow:hidden;isolation:isolate;background:#0A0B0D;color:#fff;border-radius:32px;padding:clamp(72px,10vw,140px) 24px;text-align:center;margin-bottom:112px}
.cta-panel .bg-video{object-position:50% 60%}
.cta-panel .shade{background:rgba(7,8,10,.6)}
.cta-panel h2{margin:0 auto 32px;max-width:14em;font-weight:600;font-size:clamp(32px,4.4vw,60px);line-height:1.1;letter-spacing:-.035em;text-wrap:balance}

/* footer */
.foot{padding:0 24px 32px}
.foot-bar{max-width:1280px;margin:0 auto;background:#fff;border-radius:28px;padding:24px 32px;box-shadow:var(--shadow);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 32px}
.foot-links{display:flex;flex-wrap:wrap;gap:4px 28px;font-size:14px}
.foot-links a{text-decoration:none;padding:12px 0}
.foot-links a[aria-current="page"]{font-weight:600}
.foot-co{flex-basis:100%;margin:0;padding-top:16px;border-top:1px solid #EEF1F5;font-size:13px;line-height:1.6;color:var(--muted)}
.wordmark{max-width:1280px;margin:28px auto 0;font-weight:700;font-size:clamp(72px,17vw,248px);line-height:.8;letter-spacing:-.06em;color:#E2E7EF;text-align:center;overflow:hidden;white-space:nowrap;user-select:none}

/* pricing */
.band{padding:12px 12px 0}
.band-inner{position:relative;overflow:hidden;isolation:isolate;border-radius:32px;background:#0A0B0D;padding-bottom:176px}
.band-inner .bg-video{object-position:50% 40%}
.band-inner .shade{background:rgba(7,8,10,.5)}
.band-inner .nav-shell{padding:12px 12px 0}
.band h1{position:relative;margin:80px auto 0;padding:0 24px;text-align:center;color:#fff;font-weight:600;font-size:clamp(40px,5.4vw,80px);line-height:1.05;letter-spacing:-.04em;text-wrap:balance}
.plans{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px;max-width:900px;margin:-128px auto 0;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:#fff;border-radius:28px;padding:40px 32px 32px;border:1px solid var(--line);box-shadow:var(--shadow),0 24px 60px -36px rgba(26,26,28,.2)}
.plan.best{border:3px solid var(--accent);box-shadow:0 0 0 6px rgba(255,106,26,.15),0 30px 60px -28px rgba(255,106,26,.45)}
.flag{position:absolute;top:-3px;right:28px;padding:9px 16px;border-radius:0 0 12px 12px;background:var(--accent);color:var(--accent-ink);font-size:14px;font-weight:700;letter-spacing:.04em}
.plan h2{margin:0;font-weight:600;font-size:24px;letter-spacing:-.01em}
.price{margin:20px 0 0;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.price b{font-weight:600;font-size:60px;line-height:1;letter-spacing:-.04em}
.price span{font-size:16px;color:var(--muted)}
.feats{list-style:none;margin:28px 0 32px;padding:0;display:flex;flex-direction:column;gap:14px;flex:1}
.feats li{display:flex;align-items:center;gap:10px;font-size:16px;line-height:1.5}
.feats svg{flex:none}
.single{max-width:900px;margin:24px auto 0;background:#fff;border-radius:24px;padding:24px 28px;box-shadow:var(--shadow);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px}
.single p{margin:0}
.single .t{font-weight:600;font-size:20px}
.single .d{margin-top:6px;font-size:16px;line-height:1.6;color:var(--muted)}
.single .d strong{color:var(--ink)}
.trust{max-width:1100px;margin:64px auto 0;padding:40px 0 112px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:24px}
.trust>div{display:flex;align-items:center;gap:14px}
.trust .ic{flex:none;width:52px;height:52px;border-radius:999px;background:#fff;box-shadow:var(--shadow),0 6px 16px -8px rgba(26,26,28,.2);display:grid;place-items:center}
.trust p{margin:0}
.trust .t{font-weight:600;font-size:16px}
.trust .d{margin-top:2px;font-size:14px;color:var(--muted)}

/* skill page */
.skill{padding-top:28px;padding-bottom:112px}
.back{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:500;text-decoration:none;color:var(--muted)}
.skill-head h1{margin:8px 0 0;font-weight:600;font-size:clamp(40px,4.6vw,64px);line-height:1.05;letter-spacing:-.035em}
.skill-head p{margin:10px 0 0;font-size:19px;color:var(--muted)}
.skill-cols{margin-top:28px;display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.skill-left{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:24px}
.skill-side{flex:1 1 340px;min-width:0;display:flex;flex-direction:column;gap:16px;position:sticky;top:16px}
.preview{background:#fff;border-radius:28px;padding:10px;box-shadow:var(--shadow)}
.preview video{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;border-radius:20px;background:#E4E8EF}
.box{background:#fff;border-radius:24px;box-shadow:var(--shadow);padding:24px}
.about{padding:clamp(24px,3vw,36px)}
.about h2{margin:0;font-weight:600;font-size:26px;letter-spacing:-.02em}
.about>p{margin:14px 0 0;font-size:17px;line-height:1.85;color:#3A4150}
.about h3{margin:28px 0 0;font-weight:600;font-size:20px}
.dots{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.dots li{display:flex;align-items:center;gap:12px;font-size:16px;line-height:1.6}
.dots li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:#B4BAC5}
.lock-title{margin:0;display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px}
.life{position:relative;margin-top:18px;border-radius:20px;border:2px solid var(--accent);padding:22px 20px 20px;box-shadow:0 0 0 5px rgba(255,106,26,.12)}
.life .flag{top:-2px;right:18px;padding:6px 12px;border-radius:0 0 10px 10px;font-size:12px}
.life .name{margin:0;font-weight:600;font-size:17px}
.life .amt{margin:8px 0 0;display:flex;align-items:baseline;gap:6px}
.life .amt b{font-weight:600;font-size:38px;line-height:1;letter-spacing:-.03em}
.life .amt span,.life .note{font-size:14px;color:var(--muted)}
.life .note{margin:8px 0 16px}
.annual{margin-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:0 22px;border-radius:999px;border:1px solid var(--ink);background:#fff;text-decoration:none;font-weight:600;font-size:15px}
.annual span:last-child{font-weight:500;color:var(--muted)}
.single-link{margin-top:10px;display:flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:0;border:0;background:none;cursor:pointer;font-size:14px;font-weight:500;color:var(--muted);text-decoration:underline;text-underline-offset:4px}
.mk{margin:0;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--muted)}
.mv{margin:8px 0 0;font-size:16px;font-weight:500;line-height:1.7}
.mgap{margin-top:22px}
.sep{margin-top:22px;padding-top:22px;border-top:1px solid #EEF1F5}
.acts{margin-top:22px;padding-top:14px;border-top:1px solid #EEF1F5;display:flex;justify-content:center;gap:28px}
.acts button{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 6px;border:0;background:none;color:var(--ink);font-weight:500;font-size:15px;cursor:pointer}

/* legal pages */
.legal{max-width:880px;padding-top:56px;padding-bottom:112px}
.legal h1{margin:0;font-weight:600;font-size:clamp(40px,5vw,64px);line-height:1.05;letter-spacing:-.04em}
.updated{margin:14px 0 0;font-size:15px;color:var(--muted)}
.legal-card{margin-top:32px;background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:clamp(24px,4vw,48px)}
.legal-body{counter-reset:sec}
.legal-body .lead{margin:0;font-size:17px;line-height:1.9;color:var(--ink)}
.legal-body section{margin-top:32px;padding-top:28px;border-top:1px solid #EEF1F5}
.legal-body h2{margin:0;display:flex;align-items:baseline;gap:12px;font-weight:600;font-size:21px;line-height:1.4;letter-spacing:-.01em;counter-increment:sec}
.legal-body h2::before{content:counter(sec,decimal-leading-zero);flex:none;font-size:14px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.legal-body p,.legal-body li{font-size:16px;line-height:1.9;color:#3A4150}
.legal-body p{margin:12px 0 0}
.legal-body ul{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.legal-body li{position:relative;padding-left:18px}
.legal-body li::before{content:"";position:absolute;left:2px;top:.8em;width:6px;height:6px;border-radius:50%;background:#B4BAC5}
.legal-body strong{font-weight:600;color:var(--ink)}
.legal-body a{color:var(--ink);text-decoration-color:var(--accent);text-underline-offset:3px;overflow-wrap:anywhere}
.optout{margin-top:18px;padding:16px 16px 16px 20px;border-radius:18px;background:var(--bg);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px}
.optout .st{margin:0;font-weight:500;color:var(--ink)}
.optout .btn{min-height:44px;padding:0 20px;font-size:15px}
.optout:not(.is-off) .when-off,.optout.is-off .when-on,.optout:not(.is-dnt) .when-dnt,.optout.is-dnt .when-on,.optout.is-dnt .when-off,.optout.is-dnt .btn{display:none}

/* checkout review */
.ck{width:min(460px,calc(100% - 32px));max-height:calc(100% - 32px);margin:auto;padding:0;border:0;border-radius:28px;background:#fff;color:var(--ink);box-shadow:0 40px 90px -30px rgba(0,0,0,.5);overflow:auto}
.ck[open]{animation:ck-in .28s ease}
.ck::backdrop{background:rgba(10,11,13,.55);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
@keyframes ck-in{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
html:has(.ck[open]){overflow:hidden}
.ck-in{position:relative;padding:32px 28px 28px}
.ck-x{position:absolute;top:14px;right:14px;width:44px;height:44px;border:0;border-radius:999px;background:transparent;display:grid;place-items:center;cursor:pointer}
.ck-x:hover{background:var(--bg)}
.ck h2{margin:0;padding-right:44px;font-weight:600;font-size:24px;letter-spacing:-.02em}
.order{margin-top:20px;padding:18px 20px;border-radius:18px;background:var(--bg)}
.order[hidden]{display:none}
.order-row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 16px}
.order .n{font-weight:600;font-size:17px}
.order .p{display:flex;align-items:baseline;gap:6px;font-size:14px;color:var(--muted)}
.order .p b{font-weight:600;font-size:28px;letter-spacing:-.02em;color:var(--ink)}
.renew{margin:8px 0 0;font-size:14px;line-height:1.6;color:var(--muted)}
.agree{margin-top:16px;display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid var(--line2);font-size:15px;line-height:1.7;color:#3A4150;cursor:pointer;transition:border-color .2s ease}
.agree input{flex:none;width:20px;height:20px;margin:3px 0 0;accent-color:var(--accent);cursor:pointer}
.agree a{color:var(--ink);text-decoration-color:var(--accent);text-underline-offset:3px}
.agree.need{border-color:var(--accent);animation:ck-nudge .3s ease}
@keyframes ck-nudge{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.ck-go{margin-top:20px}
.ck-go[aria-disabled="true"]{opacity:.45;box-shadow:none;cursor:not-allowed}
.ck-go[aria-disabled="true"]:hover{transform:none}

/* member states */
[data-save][aria-pressed="true"] .s-off,[data-save]:not([aria-pressed="true"]) .s-on{display:none}
[data-save][aria-pressed="true"] svg path{fill:var(--accent);stroke:var(--accent)}
.unlocked .copy-skill{margin-top:16px;gap:10px}
.unlocked-note{margin:12px 0 0;text-align:center;font-size:14px;color:var(--muted)}
.unlocked-note a{color:var(--ink);text-underline-offset:3px}
.btn.is-owned{opacity:.45;box-shadow:none;cursor:default}
.btn.is-owned:hover{transform:none}

/* sign-in dialog */
.auth h2{margin-bottom:20px}
.auth-google{gap:10px;font-weight:600}
.auth-or{margin:18px 0;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-field{display:block;margin-bottom:12px}
.auth-field span{display:block;margin-bottom:6px;font-size:14px;font-weight:600}
.auth-field input{width:100%;min-height:52px;padding:0 16px;border-radius:14px;border:1px solid var(--line2);background:#fff;color:var(--ink);font-size:17px;outline:none}
.auth-field input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,106,26,.25)}
#auth-code{letter-spacing:.3em;font-variant-numeric:tabular-nums}
.auth-note{margin:0 0 14px;font-size:15px;line-height:1.6;color:#3A4150}
.auth-note b{color:var(--ink);overflow-wrap:anywhere}
.auth-link{display:block;margin:12px auto 0;min-height:44px;padding:0 8px;border:0;background:none;color:var(--muted);font-size:14px;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.auth-err{margin:12px 0 0;min-height:1em;font-size:14px;color:#C2410C}
.auth-err:empty{margin:0;min-height:0}
.auth-terms{margin:18px 0 0;font-size:13px;line-height:1.6;color:var(--muted);text-align:center}
.auth-terms a{color:var(--ink);text-underline-offset:3px}
button[aria-busy="true"]{opacity:.6;cursor:progress}

/* account page */
.account{padding-top:48px;padding-bottom:112px}
.acct-head h1{margin:0;font-weight:600;font-size:clamp(40px,5vw,64px);line-height:1.05;letter-spacing:-.04em}
.acct-email{margin:10px 0 0;font-size:16px;color:var(--muted);overflow-wrap:anywhere}
.acct-email:empty{display:none}
.acct-banner{margin-top:24px;padding:16px 20px;border-radius:18px;background:#fff;border:2px solid var(--accent);font-weight:600}
.acct-signedout{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.acct-signedout p{margin:0;font-size:17px}
.acct-grid{margin-top:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:20px;align-items:start}
.acct-grid h2{margin:0;font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--muted)}
.acct-plan{grid-column:1/-1}
.acct-plan-name{margin:12px 0 0;font-weight:600;font-size:32px;letter-spacing:-.02em}
.acct-plan-sub{margin:6px 0 0;font-size:16px;color:var(--muted)}
.acct-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px}
.acct-actions [hidden]{display:none}
.acct-list{list-style:none;margin:14px 0 0;padding:0}
.acct-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;border-top:1px solid #EEF1F5}
.acct-list li:first-child{border-top:0}
.acct-list a{font-weight:500;text-decoration:none}
.acct-list a:hover{text-decoration:underline;text-underline-offset:3px}
.acct-list .meta{flex:none;font-size:14px;color:var(--muted)}
.acct-list .empty{color:var(--muted)}
.acct-settings dl{margin:14px 0 20px;display:grid;grid-template-columns:auto 1fr;gap:10px 20px}
.acct-settings dt{color:var(--muted)}
.acct-settings dd{margin:0;overflow-wrap:anywhere}

/* manual copy fallback */
.copybox{width:min(640px,calc(100% - 32px))}
.copybox-note{margin:10px 0 14px;font-size:14px;line-height:1.6;color:var(--muted)}
.copybox textarea{width:100%;height:min(46vh,360px);padding:14px;border-radius:14px;border:1px solid var(--line2);background:var(--bg);color:var(--ink);font:13px/1.6 ui-monospace,Menlo,monospace;resize:vertical}
.copybox .btn{margin-top:14px}

/* toast */
.toast{position:fixed;left:50%;bottom:28px;z-index:100;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--ink);color:#fff;padding:14px 22px;border-radius:999px;font-size:15px;font-weight:500;box-shadow:0 18px 40px -18px rgba(0,0,0,.5);transition:opacity .25s ease,transform .25s ease;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:760px){
  .nav-shell{padding:12px 12px 0}
  .nav{padding:8px 8px 8px 16px;border-radius:24px}
  .nav-links{margin-right:0;gap:4px 14px;font-size:14px}
  .nav-right{gap:6px}
  .lang button{min-width:44px;padding:0 10px}
  .signin{padding:0 14px}
  .band-inner .nav-shell{padding:8px 8px 0}
  .hero-body{padding:24px 20px 28px}
  .strip-track img{width:168px}
  .faq{padding-bottom:72px}
  .cta-panel{border-radius:24px;margin-bottom:72px}
  .skill-side{position:static}
  .plan{padding:36px 22px 24px}
  .price b{font-size:48px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .strip-track{animation:none}
  .btn,.thumb,.thumb video,.strip-track img,.plus,.ans,.ans p,.qa,.toast,.agree{transition:none}
  .ck[open],.agree.need{animation:none}
}