:root{
  --ink:#16133A; --sub:#5E6178; --mute:#8C90A6; --line:#E6E7F1; --bg:#FBF9F6; --card:#FFFFFF;
  --indigo:#6366F1; --violet:#8B5CF6; --sky:#0EA5E9; --teal:#14B8A6; --amber:#E0A43A; --coral:#F97362;
  --ff:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang TC","Heiti TC","Helvetica Neue",sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:var(--ff);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(circle,rgba(99,102,241,.10) 1px,transparent 1px);background-size:26px 26px}
a{color:inherit}
.wrap{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:0 28px;width:100%}
section{position:relative;z-index:1;min-height:700px;padding:76px 0 40px;display:flex;align-items:center}
.tag{--c:var(--indigo);display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--c);background:color-mix(in srgb,var(--c) 11%,#fff);border:1px solid color-mix(in srgb,var(--c) 22%,#fff);padding:4px 10px;border-radius:999px}
h2{font-size:31px;font-weight:700;line-height:1.3;margin:12px 0 8px}
.lead{font-size:16px;color:var(--sub)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

nav{position:fixed;top:0;left:0;right:0;z-index:30;height:60px;display:flex;align-items:center;
  background:rgba(251,249,246,.82);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(230,231,241,.8)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brands{display:flex;align-items:center;gap:12px;flex:none;text-decoration:none}
.brands img{height:22px;width:auto;display:block}
.brands .rr{height:30px}
.brands .x{color:var(--mute);font-size:14px}
.navlinks{display:flex;gap:2px}
.navlinks a{font-size:13.5px;color:var(--sub);text-decoration:none;padding:6px 12px;border-radius:999px;transition:.25s;white-space:nowrap}
.navlinks a.on{color:var(--indigo);background:color-mix(in srgb,var(--indigo) 10%,#fff);font-weight:600}
.donepill{flex:none;font-size:12.5px;font-weight:600;color:var(--teal);background:color-mix(in srgb,var(--teal) 11%,#fff);
  border:1px solid color-mix(in srgb,var(--teal) 25%,#fff);padding:4px 11px;border-radius:999px;font-variant-numeric:tabular-nums}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,var(--indigo),var(--violet))}

.go{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:700;font-size:15px;color:#fff;background:var(--c,var(--indigo));
  border-radius:999px;padding:11px 20px;box-shadow:0 10px 22px -12px var(--c,var(--indigo));transition:transform .25s cubic-bezier(.2,.8,.2,1.4)}
.go:hover{transform:translateY(-2px)}
.go.sm{font-size:13px;padding:6px 13px;box-shadow:none}
.doc{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;font-weight:600;color:var(--teal);text-decoration:none;white-space:nowrap;
  padding:2px 9px 2px 7px;border-radius:999px;background:color-mix(in srgb,var(--teal) 9%,#fff)}
.doc svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.done{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--sub);cursor:pointer;user-select:none;
  padding:6px 12px 6px 8px;border-radius:999px;border:1px solid var(--line);background:#fff;transition:.25s}
.done input{display:none}
.done .box{width:18px;height:18px;border-radius:6px;border:1.8px solid #C9CBDB;display:flex;align-items:center;justify-content:center;transition:.25s}
.done .box svg{width:12px;height:12px;stroke:#fff;stroke-width:3;fill:none;opacity:0;transform:scale(.4);transition:.3s cubic-bezier(.3,1.6,.5,1)}
.done.on{color:var(--teal);border-color:color-mix(in srgb,var(--teal) 40%,#fff);background:color-mix(in srgb,var(--teal) 8%,#fff)}
.done.on .box{background:var(--teal);border-color:var(--teal)}
.done.on .box svg{opacity:1;transform:none}

footer{position:relative;z-index:1;border-top:1px solid var(--line);padding:24px 0 40px;font-size:13px;color:var(--mute)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

.rv{opacity:0;transform:translateY(22px);transition:opacity .8s,transform .8s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.12s}.rv.d2{transition-delay:.24s}.rv.d3{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1!important;transform:none!important}}
@media (max-width:1100px){.navlinks a{padding:6px 8px;font-size:13px}}
@media (max-width:980px){
  section{min-height:auto;padding:80px 0 36px}
  .navlinks{display:none}
  h2{font-size:24px}
}
@media (max-width:520px){.wrap{padding:0 16px}.brands .rr{height:24px}.brands img{height:18px}}

/* 引導：底部引導列、首次導覽、提示 */
.dock{position:fixed;left:0;right:0;bottom:16px;z-index:40;display:flex;justify-content:center;pointer-events:none;opacity:0;transform:translateY(20px);transition:opacity .35s,transform .35s}
.dock.show{opacity:1;transform:none}
.dock-in{pointer-events:auto;display:flex;align-items:center;gap:14px;max-width:720px;width:calc(100% - 32px);background:rgba(22,19,58,.94);color:#fff;border-radius:20px;padding:10px 10px 10px 14px;box-shadow:0 18px 40px -12px rgba(22,19,58,.55);backdrop-filter:blur(8px)}
.dock-ring{position:relative;flex:none;width:44px;height:44px}
.dock-ring svg{width:44px;height:44px;transform:rotate(-90deg)}
.dock-ring circle{fill:none;stroke:rgba(255,255,255,.18);stroke-width:3.2}
.dock-ring circle.v{stroke:#5EEAD4;stroke-dasharray:97.4;stroke-linecap:round;transition:stroke-dashoffset .6s}
.dock-ring b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.dock-t{flex:1;min-width:0}
.dock-t small{display:block;font-size:11.5px;color:#A5B4FC;font-weight:700}
.dock-t span{display:block;font-size:14.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-go{flex:none;text-decoration:none;font-weight:700;font-size:14px;color:#16133A;background:#fff;border-radius:14px;padding:10px 16px;white-space:nowrap}
.dock-go:hover{background:#EEF0FF}
.wel{position:fixed;inset:0;z-index:60;background:rgba(22,19,58,.45);display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;transition:opacity .3s}
.wel.on{opacity:1}
.wel-box{background:#fff;border-radius:24px;max-width:520px;width:100%;padding:26px 26px 22px;box-shadow:0 30px 60px -20px rgba(22,19,58,.5);transform:translateY(14px);transition:transform .35s}
.wel.on .wel-box{transform:none}
.wel-tag{font-size:12px;font-weight:700;color:var(--indigo);background:color-mix(in srgb,var(--indigo) 10%,#fff);border-radius:999px;padding:3px 10px}
.wel-box h3{font-size:22px;margin:10px 0 12px}
.wel-box ol{list-style:none;counter-reset:w;display:grid;gap:10px;margin-bottom:18px}
.wel-box li{counter-increment:w;position:relative;padding-left:38px;font-size:14px;color:var(--sub);line-height:1.55}
.wel-box li::before{content:counter(w);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;background:var(--indigo);color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.wel-box li b{display:block;color:var(--ink);font-size:15px}
.wel-act{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.wel-skip{font:600 14px var(--ff);color:var(--sub);background:none;border:none;cursor:pointer;padding:8px}
.toast{position:fixed;left:50%;top:76px;z-index:50;transform:translate(-50%,-10px);opacity:0;background:var(--teal);color:#fff;font-weight:700;font-size:14px;border-radius:999px;padding:9px 18px;box-shadow:0 10px 24px -10px rgba(20,184,166,.7);transition:opacity .3s,transform .3s;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}
footer{padding-bottom:110px}
@media (max-width:520px){.dock-in{gap:10px}.dock-t span{font-size:13.5px}.dock-go{padding:9px 12px;font-size:13px}}