/* Native static site. DESIGN_VARIANCE: 6; MOTION_INTENSITY: 3; VISUAL_DENSITY: 3.
   Tokens: buttons 8px, panels 20px; z-index 10 is reserved for the sticky header. */
:root{color-scheme:light;--bg:#fbfcff;--surface:#f1f5fb;--raised:#ffffff;--ink:#152742;--muted:#53657c;--accent:#235cda;--on-accent:#ffffff;--line:#dce4f0;--wash:#e9f0ff;--focus:#235cda;--shadow:0 20px 60px #183b7610;font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-synthesis:none}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#101b2d;--surface:#18263d;--raised:#1c2e49;--ink:#f0f5ff;--muted:#b6c5dc;--accent:#a4c4ff;--on-accent:#101e36;--line:#344764;--wash:#213b60;--focus:#c7dcff;--shadow:0 20px 60px #07170e28}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#101b2d;--surface:#18263d;--raised:#1c2e49;--ink:#f0f5ff;--muted:#b6c5dc;--accent:#a4c4ff;--on-accent:#101e36;--line:#344764;--wash:#213b60;--focus:#c7dcff;--shadow:0 20px 60px #07170e28}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}h2{font-size:clamp(30px,3.3vw,45px);line-height:1.35;letter-spacing:-.04em;font-weight:650}h3{font-size:23px;line-height:1.55;font-weight:650}p{text-wrap:pretty}.wrap{width:min(1180px,calc(100% - 80px));margin-inline:auto}.site-header{height:84px;display:flex;gap:28px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-inline:max(40px,calc((100% - 1180px)/2));background:var(--bg);position:sticky;top:0;z-index:10}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:19px;letter-spacing:-.04em;line-height:1.2}.brand img{border-radius:8px}.brand b{font-weight:750}.desktop-nav{display:flex;gap:28px;font-size:14px}.desktop-nav a:hover,.text-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:6px}.header-actions{display:flex;gap:18px;align-items:center}.theme-button{border:0;background:transparent;color:var(--muted);padding:10px 0;font-size:14px;min-height:44px}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:52px;background:var(--accent);color:var(--on-accent);padding:13px 24px;border-radius:8px;font-weight:600;line-height:1.5;transition:transform .18s,opacity .18s}.button:hover{opacity:.9;transform:translateY(-2px)}.button:active{transform:translateY(0)}.button.small{min-height:42px;padding:10px 16px;font-size:14px;gap:14px}.button.large{min-height:60px;font-size:18px}.text-link{display:inline-flex;gap:14px;align-items:center;font-weight:600;font-size:15px}.skip-link{position:fixed;top:8px;left:8px;background:var(--accent);color:var(--on-accent);padding:12px;transform:translateY(-180%);z-index:20}.skip-link:focus{transform:translateY(0)}.eyebrow{font-size:14px;letter-spacing:.025em;color:var(--accent);font-weight:600}.hero{padding-block:76px 90px;display:grid;grid-template-columns:1.03fr 1fr;gap:52px;align-items:center}.hero h1{font-size:clamp(40px,4.3vw,64px);line-height:1.27;letter-spacing:-.055em;font-weight:700;margin:22px 0}.hero h1 span{color:var(--accent)}.lead{font-size:18px;color:var(--muted);line-height:1.9}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:28px;margin-top:32px}.language-study{background:var(--wash);border-radius:20px;padding:30px 35px 22px;min-height:395px;transform:rotate(-1deg)}.study-heading{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px}.language-study blockquote{font-size:clamp(26px,3vw,41px);line-height:1.3;letter-spacing:-.045em;font-weight:600;margin:30px 0 26px}.language-study em{font-style:normal;color:var(--accent)}.translation{display:flex;gap:20px;align-items:center;border-top:1px solid var(--line);padding-top:22px}.translation p{font-size:23px;line-height:1.6;letter-spacing:.03em}.translation-mark{font-size:30px;color:var(--accent);font-weight:600}.study-caption{font-size:12px;color:var(--muted);margin-top:18px;text-align:right}.section-heading{margin-bottom:36px}.section-heading p{color:var(--muted);margin-top:15px}.feature-section{padding-block:65px 70px;border-top:1px solid var(--line)}.feature-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:64px}.feature-primary{background:var(--surface);padding:38px 40px;border-radius:20px;display:flex;flex-direction:column;align-items:flex-start}.feature-symbol{font-size:30px;color:var(--accent);margin-bottom:23px}.feature-primary p,.feature-secondary p{color:var(--muted);margin:14px 0 20px;max-width:40ch}.language-pair{display:flex;gap:24px;align-items:center;font-size:15px;margin-top:36px;color:var(--accent)}.language-pair span:nth-child(2){font-size:25px}.feature-secondary{display:grid;gap:32px;align-content:center}.feature-secondary article+article{padding-top:32px;border-top:1px solid var(--line)}.feature-note{color:var(--muted);font-size:14px;margin-top:28px}.getting-started{padding-block:70px 88px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;list-style:none;margin:0 0 30px;padding:0;counter-reset:step}.steps li{counter-increment:step}.steps li::before{content:counter(step);font-size:15px;display:flex;width:32px;height:32px;justify-content:center;align-items:center;background:var(--wash);border-radius:50%;margin-bottom:18px;color:var(--accent)}.steps strong{font-size:19px;font-weight:600}.steps p{margin-top:10px;color:var(--muted);max-width:28ch}.pricing{border-block:1px solid var(--line);padding-block:76px;display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.price-intro p{margin:25px 0;color:var(--muted);font-size:17px}.price-panel{background:var(--raised);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:36px 40px}.plan-name{font-size:16px;font-weight:600}.price{display:flex;align-items:baseline;gap:9px;margin-top:12px;line-height:1.2}.price strong{font-size:76px;font-weight:650;letter-spacing:-.06em;font-variant-numeric:tabular-nums}.price span{font-size:19px;color:var(--muted)}.price-unit{color:var(--muted);font-size:15px;margin:12px 0 24px}.price-panel ul{padding:22px 0 0;margin:0 0 28px;list-style:none;border-top:1px solid var(--line)}.price-panel li{margin-block:8px}.price-panel li::before{content:"✓";color:var(--accent);margin-right:12px}.price-panel .button{width:100%;justify-content:space-between}.fine-print{font-size:13px;color:var(--muted);line-height:1.8;margin-top:15px}.download{padding-block:90px;display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.download h2{margin:18px 0 22px}.download p:not(.eyebrow){color:var(--muted)}.download-actions{display:flex;flex-direction:column;align-items:flex-start;gap:22px}.download-actions .button{width:100%;justify-content:space-between}.download-note{font-size:14px;line-height:1.9}.connection-note{font-size:13px}.connection-note:empty{display:none}.contact{border-top:1px solid var(--line);padding-block:65px 80px}.contact-links{display:grid;grid-template-columns:1fr 1fr;gap:36px}.contact-links>a{display:flex;align-items:center;justify-content:space-between;padding:26px 0;border-bottom:1px solid var(--line)}.contact-links>a:hover strong{color:var(--accent)}.contact-links span{color:var(--muted);font-size:14px}.contact-links strong{display:block;margin-top:9px;font-size:20px;font-weight:600}.contact-links>a>span{font-size:25px;color:var(--accent)}.site-footer{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding-block:28px 36px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.site-footer .brand{color:var(--ink)}.site-footer p{margin-right:auto}.guide-hero{padding-block:66px 48px;border-bottom:1px solid var(--line)}.guide-hero h1{font-size:clamp(36px,4vw,54px);line-height:1.35;margin-bottom:16px;letter-spacing:-.04em}.guide-hero p{color:var(--muted);max-width:62ch}.guide-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:65px;padding-block:46px 80px}.guide-toc{align-self:start;position:sticky;top:116px;display:flex;flex-direction:column;gap:8px;font-size:15px}.guide-toc a{padding:7px 0;color:var(--muted)}.guide-toc a:hover{color:var(--accent)}.guide-content{max-width:750px}.guide-content section{padding:0 0 38px;margin-bottom:38px;border-bottom:1px solid var(--line);scroll-margin-top:110px}.guide-content h2{font-size:28px;margin-bottom:22px}.guide-content h3{font-size:19px;margin:25px 0 12px}.guide-content p{color:var(--muted);margin-block:12px}.guide-content li{margin-block:12px;padding-left:5px}.guide-content ol,.guide-content ul{padding-left:23px}.guide-content .callout{background:var(--surface);padding:17px 22px;border-radius:8px;color:var(--ink);font-size:15px;margin-top:22px}.guide-content a:not(.button){color:var(--accent);text-decoration:underline;text-underline-offset:4px}.guide-content details{padding:18px 0;border-bottom:1px solid var(--line)}.guide-content summary{cursor:pointer;font-weight:600}.guide-content details:last-child{border-bottom:0}
@media(min-width:1440px){.hero{padding-top:100px;padding-bottom:110px}}
@media(max-width:1000px){.desktop-nav{gap:18px}.site-header{gap:18px}.brand{font-size:17px}.hero{gap:30px}.hero h1{font-size:46px}.language-study{padding:25px}.pricing,.download{gap:48px}.feature-layout{gap:36px}.feature-primary{padding:30px}.header-actions{gap:12px}.guide-layout{gap:35px;grid-template-columns:175px minmax(0,1fr)}}
@media(max-width:767px){html{scroll-padding-top:90px}.wrap{width:calc(100% - 40px)}.site-header{height:74px;padding-inline:20px;gap:12px}.brand{font-size:16px;gap:8px}.brand img{height:30px;width:30px}.desktop-nav{display:none}.header-actions{gap:12px}.button.small{padding:10px 12px;font-size:13px;gap:8px}.theme-button{font-size:13px}.hero{grid-template-columns:1fr;padding-block:46px 55px;gap:40px}.hero h1{font-size:clamp(38px,8vw,54px);margin-block:20px}.lead{font-size:17px}.desktop-only{display:none}.actions{gap:22px;margin-top:26px}.language-study{min-height:0;transform:none;padding:25px 28px}.language-study blockquote{font-size:32px;margin-block:25px}.translation p{font-size:21px}.feature-section,.getting-started,.pricing,.download,.contact{padding-block:48px}.feature-layout,.pricing,.download,.contact-links{grid-template-columns:1fr;gap:32px}.feature-primary{padding:28px}.feature-secondary{gap:25px}.feature-secondary article+article{padding-top:25px}.steps{grid-template-columns:1fr;gap:28px}.steps li{position:relative;padding-left:48px}.steps li::before{position:absolute;left:0;top:0}.steps p{max-width:none}.price-panel{padding:28px}.price-intro br{display:none}.download h2 br{display:none}.download-actions{gap:20px}.contact-links{gap:0}.site-footer{gap:20px;font-size:13px}.site-footer p{width:100%;order:3}.guide-hero{padding-block:42px 30px}.guide-layout{grid-template-columns:1fr;gap:35px;padding-top:25px}.guide-toc{position:static;flex-direction:row;flex-wrap:wrap;gap:4px 20px;border-bottom:1px solid var(--line);padding-bottom:22px}.guide-content h2{font-size:25px}}
@media(max-width:380px){.header-actions .button span{display:none}.brand{font-size:14px}.brand img{width:26px;height:26px}.header-actions{gap:8px}.site-header{padding-inline:16px}.wrap{width:calc(100% - 32px)}.hero h1{font-size:36px}.study-heading{font-size:12px}.language-study blockquote{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Product presentation, aligned with the user's software-site references. */
.hero{position:relative;grid-template-columns:1.1fr .9fr;gap:76px;padding-block:62px 76px}
.hero::before{content:"";position:absolute;inset:0 -40px;background:radial-gradient(ellipse at 83% 32%,var(--wash),transparent 65%);z-index:-1;pointer-events:none}
.hero h1{font-size:clamp(40px,3.8vw,55px);line-height:1.35;letter-spacing:-.04em}.hero .lead{max-width:31em;font-size:18px}
.product-preview{margin:0;width:min(100%,430px);justify-self:end;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--raised);box-shadow:0 18px 60px #1b4fa51a}
.product-preview-bar{display:flex;justify-content:space-between;padding:15px 20px;font-size:13px;font-weight:600;border-bottom:1px solid var(--line)}.product-preview-bar span:last-child{font-size:12px;color:var(--muted);font-weight:400}
.product-settings-shot{height:470px;position:relative;overflow:hidden;background:#f3f6f8}.product-settings-shot img{position:absolute;right:0;top:-81px;width:1440px;height:auto;max-width:none}
.product-preview figcaption{padding:12px 20px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}
.floating-contact{position:fixed;right:22px;bottom:22px;z-index:9;background:var(--accent);color:var(--on-accent);padding:12px 18px;border-radius:24px;box-shadow:0 5px 20px #16376225;font-size:13px;font-weight:600}
.site-footer{padding-bottom:85px}
@media(max-width:1000px){.hero{gap:32px}.hero h1{font-size:42px}.product-settings-shot{height:455px}}
@media(max-width:767px){.hero{grid-template-columns:1fr;gap:36px;padding-block:42px 52px}.hero::before{inset:0}.hero h1{font-size:38px}.hero .lead{font-size:17px}.product-preview{justify-self:center;max-width:390px}.product-settings-shot{height:450px}.product-settings-shot img{width:1320px;top:-74px}.floating-contact{right:16px;bottom:16px;font-size:12px;padding:11px 15px}}
@media print{.floating-contact{display:none}}
/* Real usage screenshots are flattened, redacted assets; full-size links use those same assets. */
.usage-figure{margin:0;min-width:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--raised)}
.usage-figure>a{display:block;cursor:zoom-in;line-height:0}.usage-figure img{display:block;width:100%;height:auto}
.usage-figure figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 16px;padding:14px 20px;font-size:12px;line-height:1.7;color:var(--muted);border-top:1px solid var(--line)}
.usage-figure figcaption span{color:var(--accent);white-space:nowrap}
.hero.screenshot-hero{grid-template-columns:1fr;padding-top:56px;gap:40px;text-align:center}
.screenshot-hero .hero-copy{max-width:850px;margin-inline:auto}.screenshot-hero h1{font-size:clamp(36px,4vw,55px)}
.screenshot-hero .lead{max-width:42em;margin-inline:auto}.screenshot-hero .actions{justify-content:center;margin-top:26px}
.hero-privacy{margin:24px auto 0;max-width:680px;text-align:center}.hero-privacy>a{display:inline-block;color:var(--accent)}.hero-privacy-label{display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:500;letter-spacing:.04em;color:var(--muted)}.hero-privacy strong{display:flex;flex-wrap:wrap;justify-content:center;margin-top:5px;font-size:24px;font-weight:700;line-height:1.6}.hero-privacy strong span{display:block}.hero-privacy a:hover strong{text-decoration:underline;text-underline-offset:5px}
.hero-usage{text-align:left;box-shadow:0 18px 65px #1a458516}.hero-usage img{width:100%}
.feature-story{display:grid;grid-template-columns:.8fr 1.45fr;gap:48px;align-items:center;padding-block:42px;border-top:1px solid var(--line)}
.feature-story:first-of-type{border-top:0}.feature-story.reverse{grid-template-columns:1.45fr .8fr}.feature-story.reverse .feature-story-copy{order:2}
.feature-story h3{font-size:30px;line-height:1.45;margin:15px 0 20px;letter-spacing:-.035em}.feature-story-copy>p:not(.eyebrow){color:var(--muted);font-size:16px;line-height:1.95;margin-bottom:22px}
.feature-points{padding-left:20px;margin:0 0 25px;color:var(--muted);font-size:14px}.feature-points li{padding-block:4px}
.privacy-section{padding:64px 48px;background:var(--wash);border:1px solid var(--line);border-radius:16px;margin-bottom:64px;display:grid;grid-template-columns:.85fr 1.2fr;gap:64px}
.privacy-intro h2{font-size:40px;margin:18px 0 25px}.privacy-intro>p:last-child{font-size:16px;color:var(--muted);line-height:1.95}
.privacy-pledge{font-size:21px;font-weight:600;line-height:1.9;color:var(--ink)}
.privacy-principles{list-style:none;padding:0;margin:24px 0}.privacy-principles li{padding:15px 0;border-top:1px solid var(--line)}.privacy-principles strong{display:block;font-size:16px;font-weight:600}.privacy-principles span{font-size:14px;color:var(--muted)}
.processing-note{border-top:1px solid var(--line);padding-top:20px;margin-bottom:22px}.processing-note h3{font-size:17px;line-height:1.7;margin-bottom:10px}.processing-note p{font-size:14px;line-height:1.95;color:var(--muted);margin-top:10px}
@media(max-width:1000px){.desktop-nav{gap:16px}.feature-story,.feature-story.reverse{grid-template-columns:1fr;gap:24px}.feature-story.reverse .feature-story-copy{order:0}.feature-story h3 br{display:none}.privacy-section{gap:32px;padding:36px;grid-template-columns:1fr}.privacy-intro h2 br{display:none}}
@media(max-width:767px){.hero.screenshot-hero{padding-top:36px;text-align:left;gap:30px}.screenshot-hero .actions{justify-content:flex-start}.screenshot-hero h1{font-size:36px}.hero-privacy{text-align:left}.hero-privacy-label,.hero-privacy strong{justify-content:flex-start}.hero-privacy strong{font-size:20px}.feature-story{padding-block:30px}.feature-story h3{font-size:26px}.usage-figure figcaption{padding:12px 14px;font-size:11px}.privacy-section{padding:28px 22px;margin-bottom:40px;gap:20px}.privacy-intro h2{font-size:30px}.privacy-pledge{font-size:18px}.privacy-intro>p:last-child{font-size:15px}}