:root{--bg:#070b13;--surface:#0d1523;--panel:#111a2b;--panel2:#182337;--line:#24344a;--text:#f4f7fb;--muted:#9ca7ba;--cyan:#67e8f9;--cyan2:#22d3ee;--good:#86efac;--warn:#fbbf24;--danger:#fb7185;--shell:1180px;--radius:24px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(var(--shell),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:12px;top:-80px;background:var(--cyan);color:#04232c;padding:10px 14px;border-radius:10px;font-weight:800;z-index:100}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,11,19,.8);border-bottom:1px solid rgba(103,232,249,.08);backdrop-filter:blur(18px)}.nav-shell{height:72px;display:flex;align-items:center;gap:34px}.wordmark{display:inline-flex;align-items:center;gap:11px;font-size:18px;letter-spacing:.01em;font-weight:720}.wordmark b{color:var(--cyan)}.brand-mark{position:relative;display:inline-block;width:31px;height:31px;border-radius:9px;background:#09111e;border:1px solid #31516a;box-shadow:inset 0 0 18px #67e8f91f}.brand-mark:before,.brand-mark:after,.brand-mark i{content:"";position:absolute;left:8px;background:var(--cyan)}.brand-mark:before{top:7px;width:16px;height:4px}.brand-mark:after{top:13px;width:11px;height:4px}.brand-mark i{top:19px;width:5px;height:6px}.brand-mark.large{width:48px;height:48px;border-radius:13px}.brand-mark.large:before{left:12px;top:11px;width:25px;height:6px}.brand-mark.large:after{left:12px;top:20px;width:18px;height:6px}.brand-mark.large i{left:12px;top:29px;width:8px;height:9px}.site-header nav{margin-left:auto;display:flex;gap:30px}.site-header nav a{font-size:14px;color:var(--muted);transition:color .2s}.site-header nav a:hover,.site-header nav a:focus-visible{color:var(--text)}
.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:0 20px;border:1px solid var(--cyan);border-radius:14px;background:var(--cyan);color:#04232c;font-weight:850;cursor:pointer;box-shadow:0 12px 36px #22d3ee1f;transition:transform .2s,box-shadow .2s,background .2s}.button:hover{transform:translateY(-2px);box-shadow:0 16px 42px #22d3ee35}.button:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #f4f7fb;outline-offset:3px}.button-small{min-height:40px;padding:0 15px;border-radius:12px;font-size:13px}.button-quiet{background:transparent;color:var(--text);border-color:var(--line);box-shadow:none}.button-quiet:hover{background:var(--panel);box-shadow:none}.button-full{width:100%}
.hero{position:relative;overflow:hidden;padding:92px 0 86px;background:radial-gradient(circle at 78% 30%,#0d3a4a80 0,transparent 30%),radial-gradient(circle at 15% 10%,#17274770 0,transparent 31%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#67e8f908 1px,transparent 1px),linear-gradient(90deg,#67e8f908 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,#000,transparent 88%);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:72px;position:relative}.eyebrow,.kicker{font-size:12px;font-weight:850;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}.eyebrow{display:inline-flex;align-items:center;gap:9px;border:1px solid #234258;background:#0a1a29;border-radius:999px;padding:7px 12px}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 0 5px #86efac16}.hero h1{font-size:clamp(42px,5.2vw,72px);line-height:1.12;letter-spacing:-.05em;margin:25px 0 22px}.hero h1 em{font-style:normal;color:var(--cyan)}.hero-lead{max-width:650px;color:#b8c2d1;font-size:18px;margin:0}.hero-actions{display:flex;gap:12px;margin:32px 0 15px}.compatibility{font-size:13px;color:var(--muted)}.trust-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}.trust-row span{padding:5px 10px;border-radius:999px;border:1px solid var(--line);font-size:12px;color:#cbd5e1;background:#0b1320}.trust-row span:before{content:"✓";color:var(--good);font-weight:900;margin-right:6px}
.app-stage{position:relative;min-height:610px;display:grid;place-items:center}.stage-glow{position:absolute;width:480px;height:480px;border-radius:50%;background:#22d3ee18;filter:blur(35px)}.phone{position:relative;width:300px;padding:9px;border-radius:42px;background:linear-gradient(145deg,#39485a,#0b1018 42%,#222e3d);box-shadow:0 50px 80px #0009,0 0 0 1px #64748b66;transform:rotate(2.5deg);z-index:2}.phone-speaker{position:absolute;z-index:5;top:17px;left:50%;transform:translateX(-50%);width:76px;height:19px;border-radius:0 0 13px 13px;background:#02050a}.phone-screen{min-height:575px;border-radius:34px;padding:38px 13px 14px;background:#090e1a;overflow:hidden}.mini-top{display:flex;align-items:center;justify-content:space-between;margin:2px 4px 10px}.mini-top b{font-size:14px}.mini-top small{display:block;color:var(--muted);font-size:8px}.mini-avatar{display:grid;place-items:center;width:28px;height:28px;border:1px solid #29536a;border-radius:10px;background:#102333;color:var(--cyan);font-size:11px;font-weight:900}.mini-account{display:flex;justify-content:space-between;align-items:center;background:#0d1727;border:1px solid var(--line);border-radius:10px;padding:7px 9px;font-size:9px}.mini-pill{padding:2px 6px;border:1px solid #28583a;color:var(--good);border-radius:999px;font-size:8px}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:8px 0}.mini-grid>div,.mini-card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:10px}.mini-grid small,.mini-card small{color:var(--muted);font-size:8px}.mini-grid strong{display:block;font-size:22px;line-height:1.2}.mini-grid strong.warn{color:var(--warn)}.mini-card-head{display:flex;justify-content:space-between;font-size:9px;margin-bottom:3px}.mini-card-head span{color:var(--cyan)}.gear-row{display:grid;grid-template-columns:34px 1fr 20px;align-items:center;gap:7px;padding:8px 0;border-top:1px solid var(--line)}.gear-icon{display:grid;place-items:center;width:34px;height:28px;border-radius:7px;background:#0a1524;color:var(--cyan);font-size:8px;font-weight:900}.gear-row b{display:block;font-size:9px}.gear-row small{display:block;font-size:7px}.gear-row>strong{font-size:16px}.grade-a{color:var(--good)}.grade-b{color:#bef264}.advice-card{margin-top:8px;border-left:3px solid var(--cyan)}.advice-card p{font-size:9px;line-height:1.45;margin:5px 0 0}.mini-nav{display:grid;grid-template-columns:repeat(4,1fr);margin-top:10px;padding-top:8px;border-top:1px solid var(--line)}.mini-nav span{display:grid;place-items:center;color:var(--muted);font-size:15px}.mini-nav small{font-size:7px}.mini-nav .active{color:var(--cyan)}.floating-card{position:absolute;z-index:3;background:#0d1727e8;border:1px solid #2b425a;border-radius:16px;box-shadow:0 18px 55px #0008;backdrop-filter:blur(12px)}.health-card{top:98px;right:-14px;width:118px;padding:13px;transform:rotate(-3deg)}.health-card small,.health-card span{display:block;color:var(--muted);font-size:9px}.health-card strong{font-size:38px;line-height:1.05;color:var(--good)}.backup-card{left:-7px;bottom:104px;display:flex;align-items:center;gap:10px;padding:11px 13px;transform:rotate(-2deg)}.backup-card small,.backup-card b{display:block;font-size:9px}.backup-card small{color:var(--muted)}.cloud-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#113047;color:var(--cyan);font-weight:900}
.signal-strip{border-block:1px solid var(--line);background:#0a111d}.signal-grid{display:grid;grid-template-columns:1.15fr .8fr 1fr}.signal-grid>div{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:16px;padding:25px 28px;border-right:1px solid var(--line)}.signal-grid>div:first-child{padding-left:0}.signal-grid>div:last-child{border:0;padding-right:0}.signal-grid strong{font-size:24px;color:var(--cyan);white-space:nowrap}.signal-grid span{font-size:12px;color:var(--muted);line-height:1.5}
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.product-tour{background:#09111d;border-block:1px solid #121f31}.tour-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tour-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}.tour-card>div:last-child{padding:24px}.tour-card h3{margin:7px 0 6px;font-size:19px}.tour-card p{color:var(--muted);font-size:13px;margin:0}.tour-step{font:11px ui-monospace,monospace;color:var(--cyan)}.tour-ui{height:325px;background:#080d17;padding:22px 18px;border-bottom:1px solid var(--line)}.tour-bar{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-bottom:17px}.tour-bar span{font-size:9px;color:var(--cyan);border:1px solid #295063;padding:4px 7px;border-radius:8px}.search-line,.diagnosis-input{border:1px solid var(--line);border-radius:10px;background:#0d1625;color:var(--muted);padding:9px;font-size:9px}.list-line{display:grid;grid-template-columns:34px 1fr 20px;align-items:center;gap:9px;padding:13px 2px;border-bottom:1px solid var(--line)}.list-line i{display:grid;place-items:center;width:34px;height:27px;border-radius:7px;background:#112034;color:var(--cyan);font-size:8px;font-style:normal;font-weight:800}.list-line b,.list-line small{display:block;font-size:9px}.list-line small{color:var(--muted)}.list-line em{color:var(--good);font-size:15px;font-style:normal;font-weight:900}.chrono-number{text-align:center;color:var(--cyan);font-size:50px;font-weight:900;line-height:1.1;margin:30px 0 18px}.chart-bars{height:62px;display:flex;align-items:end;justify-content:center;gap:9px;border-bottom:1px solid var(--line)}.chart-bars i{display:block;width:10px;background:linear-gradient(var(--cyan),#17778d);border-radius:5px 5px 0 0}.chart-bars i:nth-child(1){height:55%}.chart-bars i:nth-child(2){height:72%}.chart-bars i:nth-child(3){height:66%}.chart-bars i:nth-child(4){height:91%}.chart-bars i:nth-child(5){height:83%}.chart-bars i:nth-child(6){height:74%}.chart-bars i:nth-child(7){height:61%}.chrono-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:15px}.chrono-grid span{padding:8px;background:#0d1625;border-radius:8px;text-align:center}.chrono-grid small,.chrono-grid b{display:block;font-size:8px}.chrono-grid small{color:var(--muted)}.diagnosis-input{margin-top:23px;color:#dbe5f0;line-height:1.5}.diagnosis-result{margin-top:12px;padding:12px;border-radius:11px;background:#0c1827;border-left:3px solid var(--cyan)}.diagnosis-result small,.diagnosis-result b{display:block}.diagnosis-result small{color:var(--cyan);font-size:8px}.diagnosis-result b{font-size:11px;margin:3px 0}.diagnosis-result p{font-size:8px}.diagnosis-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.diagnosis-actions span{padding:8px;border:1px solid var(--line);border-radius:9px;text-align:center;color:#cbd5e1;font-size:9px}
.data-section{background:radial-gradient(circle at 80% 40%,#12394946,transparent 28%)}.data-grid{display:grid;grid-template-columns:1fr 420px;gap:90px;align-items:center}.privacy-points{margin-top:36px}.privacy-points>div{display:grid;grid-template-columns:34px 1fr;gap:15px;padding:18px 0;border-top:1px solid var(--line)}.privacy-points span{display:grid;place-items:center;width:30px;height:30px;border:1px solid #31566c;border-radius:10px;color:var(--cyan);font:11px ui-monospace,monospace}.privacy-points p{font-size:13px;color:var(--muted);margin:0}.privacy-points b{display:block;color:var(--text);font-size:15px}.policy-card{padding:31px;border:1px solid #315066;border-radius:28px;background:linear-gradient(145deg,#102135,#0b1320);box-shadow:0 28px 80px #0006}.policy-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#143149;color:var(--cyan);font-size:28px}.policy-card h3{font-size:23px;margin:21px 0 14px}.policy-card ul{padding-left:20px;color:#bcc7d5;font-size:13px}.policy-card li{margin-bottom:11px}.policy-card>p{border-top:1px solid var(--line);padding-top:17px;color:var(--warn);font-size:12px}
.install-section{background:#0a111d;border-block:1px solid var(--line)}.install-grid{display:grid;grid-template-columns:1fr 430px;gap:90px;align-items:start}.install-steps{list-style:none;padding:0;margin:42px 0 0}.install-steps li{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}.install-steps li>span{font:12px ui-monospace,monospace;color:var(--cyan)}.install-steps b{font-size:17px}.install-steps p{margin:3px 0 0;color:var(--muted);font-size:13px}.download-card{position:relative;padding:28px;border:1px solid #315066;border-radius:28px;background:linear-gradient(145deg,#14233a,#0a111d);box-shadow:0 30px 85px #0007}.download-top{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:14px}.download-top small,.download-top strong{display:block}.download-top small{color:var(--muted);font-size:10px}.download-top strong{font-size:22px}.beta-badge{color:#04232c;background:var(--cyan);padding:4px 8px;border-radius:7px;font-size:9px;font-weight:900}.download-card dl{margin:25px 0}.download-card dl>div{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-top:1px solid var(--line);font-size:12px}.download-card dt{color:var(--muted)}.download-card dd{margin:0;font-weight:700}.checksum{margin-top:18px;padding:12px;border-radius:12px;background:#070d16;border:1px solid var(--line)}.checksum>div{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px;color:var(--muted);font-size:9px}.checksum button{border:0;background:none;color:var(--cyan);font-size:10px;cursor:pointer}.checksum button:disabled{color:#5d6878;cursor:not-allowed}.checksum code{display:block;color:#cbd5e1;font-size:9px;word-break:break-all;line-height:1.5}.download-note{font-size:10px;color:var(--muted);margin:14px 2px 0}
.feedback-section{padding:75px 0}.feedback-card{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;border:1px solid var(--line);border-radius:28px;padding:45px;background:radial-gradient(circle at 5% 50%,#12394955,transparent 30%),var(--panel)}.feedback-card h2{font-size:35px}.feedback-card .button{margin-top:12px}
footer{border-top:1px solid var(--line);padding:38px 0;background:#05080e}.footer-grid{display:flex;justify-content:space-between;gap:40px;align-items:flex-end}.footer-grid p{margin:8px 0 0;color:var(--muted);font-size:11px}.footer-note{text-align:right}.toast{position:fixed;left:50%;bottom:25px;z-index:100;transform:translate(-50%,25px);opacity:0;pointer-events:none;background:#e6fbff;color:#05212a;border-radius:12px;padding:10px 15px;font-size:13px;font-weight:800;transition:.22s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr;gap:25px}.hero-copy{text-align:center}.hero-lead{margin-inline:auto}.hero-actions,.trust-row{justify-content:center}.app-stage{min-height:590px}.feature-grid{grid-template-columns:repeat(2,1fr)}.feature-card.feature-primary{grid-column:span 2}.tour-grid{grid-template-columns:1fr 1fr}.tour-card:last-child{grid-column:span 2}.data-grid,.install-grid{grid-template-columns:1fr;gap:55px}.policy-card,.download-card{max-width:600px;width:100%;margin-inline:auto}.split-heading{grid-template-columns:1fr}.signal-grid{grid-template-columns:1fr}.signal-grid>div,.signal-grid>div:first-child,.signal-grid>div:last-child{padding:18px 0;border-right:0;border-bottom:1px solid var(--line)}.signal-grid>div:last-child{border-bottom:0}.feedback-card{grid-template-columns:1fr;gap:10px}}
@media(max-width:700px){.shell{width:min(100% - 28px,var(--shell))}.site-header nav{display:none}.nav-shell{height:64px}.site-header .button-small{margin-left:auto}.hero{padding:68px 0 50px}.hero h1{font-size:40px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column}.hero-actions .button{width:100%}.app-stage{min-height:520px;transform:scale(.87);margin:-35px 0}.phone{width:286px}.floating-card{display:none}.section{padding:78px 0}.section-heading{margin-bottom:30px}.section-heading h2,.data-copy h2,.install-section h2{font-size:34px}.feature-grid,.tour-grid{grid-template-columns:1fr}.feature-card.feature-primary,.tour-card:last-child{grid-column:auto}.feature-card{min-height:215px}.tour-ui{height:300px}.feedback-card{padding:28px}.feedback-card h2{font-size:29px}.footer-grid{display:block}.footer-note{text-align:left;margin-top:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.toast{transition:none}}