.hero{text-align:center;padding:clamp(56px,8vw,110px) var(--m) 40px}
.hero h1{font-size:clamp(2rem,5.2vw,4.6rem);line-height:1.18;max-width:none}
.hero .sub{max-width:42ch;margin:24px auto 0;color:var(--muted);font-size:1.15rem}
.hero .row,.end .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.app{max-width:1120px;margin:52px auto 70px;background:var(--card);border-radius:34px;box-shadow:var(--shadow);display:grid;grid-template-columns:230px 1fr;text-align:left;position:relative}
.side{padding:26px 18px 30px;border-right:1px solid var(--line);background:var(--paper-2);border-radius:34px 0 0 34px}
.side b{display:flex;align-items:center;gap:10px;font:700 1.05rem var(--serif);margin-bottom:22px}.side b img{width:30px;height:30px;border-radius:50%}
.side a{display:block;padding:10px 12px;border-radius:14px;font-size:.95rem;color:var(--muted)}.side a.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--shadow)}
.main{padding:28px clamp(18px,3vw,36px) 32px}.main h2{font:700 1.7rem/1.2 var(--serif)}.main .meta{color:var(--muted);font-size:.95rem;margin:4px 0 20px}
.chart{height:170px;border-radius:20px;background:linear-gradient(#fffdf7,#f7ecd8);box-shadow:inset 0 0 0 1px var(--line);position:relative;overflow:hidden}.chart svg{width:100%;height:100%}.chart small{position:absolute;right:14px;top:10px;color:var(--muted);font-size:.8rem}
.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.kv div{background:var(--paper-2);border-radius:18px;padding:14px 16px;box-shadow:inset 0 0 0 1px var(--line)}.kv small{display:block;color:var(--muted);font-size:.82rem}.kv b{font-weight:600}
/* 膠囊：放在卡片正下方、置中，完全在流內，不與任何項目重疊 */
.chip{position:absolute;left:50%;transform:translateX(-50%);bottom:-26px;background:#fff;border-radius:999px;padding:10px 20px 10px 14px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow);font-size:.92rem;font-weight:600;white-space:nowrap}
.cairn{display:inline-flex;flex-direction:column;align-items:center;gap:2px}.cairn i{display:block;border-radius:50%;background:var(--rust)}.cairn i:nth-child(1){width:10px;height:6px}.cairn i:nth-child(2){width:16px;height:8px;opacity:.85}.cairn i:nth-child(3){width:22px;height:10px;opacity:.7}
.step{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,90px);align-items:center;margin-top:clamp(48px,7vw,90px)}.step:nth-of-type(even) .ui{order:2}
.num{font:700 clamp(3rem,6vw,5rem)/1 var(--serif);color:var(--rust-text)}.step h3{font:700 clamp(1.6rem,3vw,2.3rem)/1.2 var(--serif);margin:10px 0 12px}.step p{color:var(--muted);max-width:40ch}.step .pill{margin-top:22px}
.ui{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:22px}.row2{display:flex;justify-content:space-between;gap:14px;padding:12px 4px;border-bottom:1px solid var(--line);font-size:.95rem}.row2:last-child{border:0}
.input{background:var(--paper-2);border-radius:999px;padding:12px 18px;box-shadow:inset 0 0 0 1px var(--line);color:var(--muted)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:var(--m)}.pair div{font:700 clamp(3.2rem,9vw,8rem)/1 var(--serif)}.pair .a{color:#a8998a;text-decoration:line-through;text-decoration-thickness:.05em}
.stat{background:#3f5a2a;color:#fff;border-radius:34px;padding:clamp(48px,8vw,110px) clamp(28px,6vw,90px);margin:0 auto;max-width:1120px;display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,6vw,80px);align-items:center}
.stat b{font:700 clamp(8rem,26vw,22rem)/.8 var(--serif);letter-spacing:-.03em}.stat p{font:600 clamp(1.4rem,2.6vw,2.2rem)/1.3 var(--serif);max-width:20ch}.stat small{display:block;margin-top:14px;font:400 1rem var(--sans);opacity:.85;max-width:42ch}
.assist{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}.assist .card{text-align:center;padding:22px 14px}.assist b{display:block;font:700 1.15rem var(--serif);margin-bottom:10px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.plan{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:28px;display:flex;flex-direction:column;gap:10px}.plan.hi{background:#fff;box-shadow:0 0 0 2px var(--rust),var(--shadow)}.plan .price{font:700 2.4rem var(--serif)}.plan .price small{font:400 1rem var(--sans);color:var(--muted)}.plan ul{list-style:none;padding:0;color:var(--muted);font-size:.97rem;display:grid;gap:6px}.plan .pill{margin-top:auto;justify-content:center}
.end{text-align:center;padding:clamp(70px,10vw,130px) var(--m) 0}.end h2{font:700 clamp(2.2rem,6vw,4.8rem)/1.12 var(--serif);max-width:15ch;margin:0 auto}
@media(max-width:860px){.app{grid-template-columns:1fr}.side{display:none}.kv{grid-template-columns:1fr 1fr}.step{grid-template-columns:1fr}.step:nth-of-type(even) .ui{order:0}.pair,.stat,.plans{grid-template-columns:1fr}.assist{grid-template-columns:1fr 1fr}}
/* ===== 手機優化（≤640px） ===== */
html,body{overflow-x:clip}
@media(max-width:640px){
 .nav{max-width:calc(100% - 16px);padding:6px}.nav .lang{display:none}.nav .it>a{padding:8px 9px!important;font-size:.8rem!important}.nav .login{padding:8px 14px;font-size:.82rem;margin-left:2px}.nav .it.has>a::after{display:none}
 .hero{padding:40px var(--m) 24px}.hero h1{font-size:clamp(1.8rem,8.6vw,2.5rem);line-height:1.22}.hero .sub{font-size:1.02rem;margin-top:18px}.hero .row,.end .row{margin-top:24px}
 .app{margin:34px 0 64px;border-radius:26px}.main{padding:20px 16px 26px}.main h2{font-size:1.35rem}.chart{height:130px}.kv{gap:8px}.kv div{padding:10px 12px}
 .chip{bottom:-24px;padding:9px 16px 9px 12px;font-size:.86rem}
 .step{gap:20px;margin-top:40px}.num{font-size:2.6rem}.step h3{font-size:1.5rem;margin:6px 0 8px}.ui{padding:16px;border-radius:22px}
 .sec{padding:30px 0}.page-hd{padding:36px 0 18px}.page-hd h1,h1{font-size:clamp(1.8rem,8vw,2.4rem)}h2{font-size:1.5rem}.lede{font-size:1.02rem}
 .pair{grid-template-columns:1fr 1fr;gap:10px;margin:0 var(--m)}.pair div{font-size:clamp(2.4rem,14vw,4rem)}
 .stat{margin:0 var(--m);grid-template-columns:auto 1fr;gap:16px;padding:30px 22px;border-radius:24px;align-items:end}.stat b{font-size:6.6rem}.stat p{font-size:1.15rem;max-width:none;line-height:1.35}.stat small{font-size:.88rem;margin-top:8px}
 .assist{gap:10px}.assist .card{padding:16px 8px}.plan{padding:22px}.plan .price{font-size:2rem}.end{padding:56px var(--m) 0}.end h2{font-size:clamp(1.9rem,9vw,2.8rem)}
 .card{padding:18px;border-radius:22px}.grid{gap:12px}
 .anat{padding:18px;border-radius:24px}.anat .n,.blk .n{right:-6px!important;width:26px;height:26px;font-size:.8rem}
 .legend>div{grid-template-columns:30px 1fr;gap:10px}.tree{gap:12px}.note{padding:14px;font-size:.93rem}
 details{padding:14px 0}summary{font-size:1.02rem}
 .notice{margin-top:36px;padding:18px var(--m)}footer{padding-bottom:36px}
}
section{padding:clamp(36px,7vw,90px) 0}
.hero+section,.end{padding-top:clamp(36px,7vw,90px)}
@media(max-width:640px){section{padding:28px 0}.w{padding:0 var(--m)}}

@media(max-width:640px){.nav .home{margin-right:2px}.nav .home img{width:30px;height:30px}.nav .it>a{padding:8px 7px!important;font-size:.78rem!important}.nav .login{padding:7px 12px}}

.kv a{display:flex;flex-direction:column;gap:2px;background:var(--paper-2);border-radius:18px;padding:14px 16px;box-shadow:inset 0 0 0 1px var(--line);transition:transform .25s cubic-bezier(.2,.7,.1,1),box-shadow .25s}
.kv a:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 1px var(--rust),0 10px 20px -12px rgba(90,55,20,.35)}
.kv a small{color:var(--muted);font-size:.82rem}.kv a b{font:700 1.12rem/1.3 var(--sans)}.kv a .tag{align-self:flex-start;margin-top:6px;font-size:.75rem;padding:2px 10px}
.qq{font:700 1.35rem/1.3 var(--serif);margin-bottom:14px}.mini{background:var(--paper-2);border-radius:16px;box-shadow:inset 0 0 0 1px var(--line);padding:12px 14px;margin-bottom:14px;font-size:.95rem;display:flex;justify-content:space-between;gap:10px;align-items:center}.mini b{font-weight:600}.mini span{color:var(--muted)}.mini.list{display:grid;gap:8px}.mini.list>div{display:flex;justify-content:space-between;gap:10px;align-items:center}.mini .tag{color:inherit}.mini .t-ok{color:var(--moss-text)}.mini .t-warn{color:#9e3a31}

.use{display:flex;flex-direction:column;align-items:flex-start}.use .mini{width:100%}.use .input{width:100%}.use p{max-width:none}
.mini.list{grid-template-columns:1fr;justify-content:stretch}

.side h5{font:600 .78rem var(--sans);color:var(--muted);margin:14px 12px 4px;letter-spacing:.04em}

.plan .for{color:var(--muted);margin-top:-6px}.plan .rows{display:grid;gap:0;margin:6px 0 10px}.plan .rows div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.95rem}.plan .rows div:last-child{border:0}.plan .rows span{color:var(--muted)}.plan .rows b{font-weight:600;text-align:right}.plan .rows div:not(.no) span::before{content:"✓";color:var(--rust);font-weight:700;margin-right:8px}.plan .rows div.no span::before{content:"";display:inline-block;width:1.2em}.plan .was{color:var(--muted);font-size:1rem;margin-bottom:-8px}.plan .pill[aria-disabled=true]{background:var(--line);color:var(--muted);box-shadow:none;cursor:not-allowed;pointer-events:none}
.fine{color:var(--muted);font-size:.9rem;margin-top:18px;max-width:64ch}

.end h2{max-width:none!important;font-size:clamp(1.9rem,5.2vw,4.4rem)!important;text-wrap:balance}
.kv a b.up,.kv a b.dn{white-space:nowrap}
/* Under 390px the two-column NVDA card values and tags must wrap to stay inside the card. */
@media(max-width:389.98px){.kv b,.kv .tag{white-space:normal}}