:root{color-scheme:light;--ink:#233650;--muted:#52627b;--paper:#fff;--soft:#f4f6fa;--line:#dce3ee;--accent:#dce4ff;--accent-ink:#3659ca;--radius:20px;scroll-padding-top:100px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:4px}
a:focus-visible,summary:focus-visible{outline:3px solid #4b7fbd;outline-offset:5px}
::selection{background:var(--accent);color:var(--ink)}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.3;letter-spacing:-.03em}
h1{font-size:clamp(40px,5.6vw,76px);font-weight:750;line-height:1.2}
h2{font-size:clamp(28px,3.2vw,42px);font-weight:700}
h3{font-size:22px;font-weight:650}
p{overflow-wrap:anywhere}
.section-wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}
.skip-link{position:fixed;left:20px;top:-100px;z-index:10;background:var(--ink);color:#fff;padding:12px 18px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav-wrap{width:min(1240px,calc(100% - 64px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:82px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:23px;line-height:1.35;font-weight:750;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:var(--ink);color:var(--accent);font-size:27px}
.brand small{display:block;font-size:12px;font-weight:500;letter-spacing:.12em;color:var(--muted)}
nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}
nav a{text-decoration:none;padding-block:12px}
nav a:hover{text-decoration:underline}
.home-link{border-left:1px solid var(--line);padding-left:28px}
.hero{padding-top:76px;text-align:center}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--muted);margin-bottom:22px}
.hero h1 span{color:#375ee5}
.hero-copy{max-width:660px;margin:27px auto 0;font-size:18px;line-height:1.9;color:var(--muted)}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:54px;padding:12px 24px;border-radius:9px;text-decoration:none;font-weight:650;line-height:1.6;font-size:16px;border:1px solid var(--ink);transition:background .15s,transform .15s}
.primary{background:var(--ink);color:#fff}
.primary:hover{background:#2f4148;transform:translateY(-1px)}
.secondary{background:#fff;color:var(--ink);border-color:#c9d0d3}
.secondary:hover{background:var(--soft)}
.availability{color:var(--muted);font-size:14px;line-height:1.8;margin-top:17px}
.hero-highlights{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 30px;margin:40px 0 25px;font-size:14px;color:#34464c}
.hero-highlights span{display:flex;align-items:center;gap:10px}
.hero-highlights span::before{content:"✓";color:#3659ca;font-weight:700}
.product-shot{border:1px solid #b7c2c4;border-radius:15px;overflow:hidden;background:#10191c;box-shadow:0 25px 70px -40px rgba(10,26,31,.5);text-align:left}
.shot-bar{padding:10px 19px;color:#b7c7c8;font-size:12px;display:flex;justify-content:space-between;background:#19262b;gap:16px}
.product-shot img{display:block;width:100%;height:auto}
.product-shot figcaption{background:#f6f8f8;color:var(--muted);font-size:12px;text-align:center;padding:11px 20px;border-top:1px solid var(--line)}
.flow-section{padding-block:106px 90px}
.section-heading .eyebrow{margin-bottom:16px}
.section-heading>p:last-child:not(.eyebrow){color:var(--muted);margin-top:20px;max-width:680px}
.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin-top:45px}
.flow-grid article{border-top:1px solid #bdc7cb;padding-top:25px}
.step-label{display:block;color:#64707a;font-size:14px;margin-bottom:15px}
.flow-grid h3{font-size:20px;margin-bottom:14px}
.flow-grid p{color:var(--muted);font-size:16px}
.feature-section{background:var(--soft);padding-block:82px}
.feature-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.feature-heading>p{font-size:16px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:42px}
.feature-card{padding:30px 26px;border:1px solid #e0e5e5;border-radius:var(--radius);background:#fff;display:flex;flex-direction:column}
.feature-label{color:var(--muted);font-size:12px;letter-spacing:.03em;margin-bottom:18px}
.feature-card h3{font-size:21px;margin-bottom:16px}
.feature-card>p{color:var(--muted);font-size:16px}
.feature-card .card-note{font-size:13px;line-height:1.7;margin-top:auto;padding-top:24px;color:#617179}
.lead-card{background:var(--ink);color:#fff;border-color:var(--ink)}
.lead-card .feature-label{color:var(--accent)}
.lead-card>p,.lead-card .card-note{color:#b9c9cb}
.file-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.file-tags span{border:1px solid #506166;border-radius:6px;padding:3px 10px;font-size:12px;color:#d7e5e4}
.section-note{margin-top:28px;color:var(--muted);font-size:14px}
.privacy-section{padding-block:90px}
.privacy-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:40px}
.privacy-symbol{font-size:28px;color:#3659ca;font-weight:600;display:block;margin-bottom:16px}
.privacy-grid h3{font-size:20px;margin-bottom:13px}
.privacy-grid p{color:var(--muted)}
.privacy-footnote{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:22px;margin-top:36px}
.purchase-section{background:#1e304b;color:#fff;padding-block:80px}
.purchase-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);align-items:start;gap:48px}
.purchase-intro .eyebrow{color:#bac9ff;font-size:14px;letter-spacing:.08em}
.purchase-intro h2{font-size:clamp(30px,3.5vw,46px);margin-bottom:30px}
.purchase-intro>p:not(.eyebrow){color:#b9c8cc;max-width:470px;margin-top:18px}
.membership-plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.purchase-card{background:#fff;color:var(--ink);padding:26px;border-radius:var(--radius);display:flex;flex-direction:column}
.release-label{display:inline-block;align-self:flex-start;border:1px solid #d3ddf6;color:var(--accent-ink);border-radius:99px;padding:3px 12px;font-size:12px;background:#f0f4ff;margin-bottom:22px}
.purchase-card h3{font-size:20px}
.price-state{font-size:26px;line-height:1.4;letter-spacing:-.04em;font-weight:750;margin-top:12px}
.price-state small{font-size:14px;font-weight:500;letter-spacing:0;color:var(--muted)}
.purchase-description{color:var(--muted);font-size:14px;margin-top:14px}
.purchase-includes{list-style:none;padding:0;margin:26px 0;font-size:14px;display:grid;gap:9px}
.purchase-includes li{display:flex;gap:10px;align-items:flex-start}
.purchase-includes li::before{content:"✓";color:#3659ca;font-weight:700}
.plan-unavailable{margin-top:auto;text-align:center;padding:12px;background:#edf1f9;border-radius:8px;color:#52627b;font-size:14px;font-weight:600}
.membership-notice{grid-column:1/-1;color:#bdcadd;font-size:13px;line-height:1.85}
.membership-notice p+p{margin-top:12px}
.membership-notice a{display:inline-block;margin-top:16px;color:#fff}
.faq-section{padding-block:90px 100px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:70px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:23px 28px 23px 0;font-weight:600;line-height:1.65;position:relative;overflow-wrap:anywhere}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:1px;top:23px;font-weight:400;font-size:23px;line-height:1.1;color:var(--muted)}
details[open] summary::after{content:"−"}
.faq-answer{padding:0 20px 24px 0;color:var(--muted);font-size:15px}
.faq-answer p+p{margin-top:14px}
.site-footer{border-top:1px solid var(--line);padding-block:35px;display:grid;grid-template-columns:1fr auto;gap:24px 50px;color:var(--muted);font-size:14px}
.footer-brand{font-size:24px;font-weight:700;text-decoration:none;color:var(--ink);display:inline-block;margin-bottom:4px}
.footer-links{display:flex;flex-wrap:wrap;gap:12px 22px;align-self:center}
.footer-links a{text-decoration:none}
.footer-links a:hover{text-decoration:underline}
.footer-note{grid-column:1/-1;font-size:12px}
@media(max-width:960px){.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.flow-grid{gap:24px}.privacy-grid{gap:26px}.purchase-grid{gap:40px}.faq-section{gap:40px;grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr)}.site-footer{grid-template-columns:1fr}.feature-heading>p{max-width:260px}}
@media(max-width:680px){:root{scroll-padding-top:132px}.section-wrap,.nav-wrap{width:calc(100% - 40px)}.nav-wrap{min-height:78px;gap:12px;flex-wrap:wrap;padding-block:12px}.brand{font-size:20px}.brand-mark{width:36px;height:36px;font-size:23px}nav{gap:16px;font-size:13px;flex-wrap:wrap}nav a{padding-block:5px}.home-link{padding-left:16px}.hero{padding-top:48px}.hero-copy{font-size:16px;margin-top:24px}.eyebrow{font-size:11px;letter-spacing:.1em}.hero-actions{margin-top:26px}.hero-highlights{margin-top:30px;gap:10px 18px;font-size:12px}.availability{font-size:13px}.shot-bar{font-size:11px;padding:8px 12px}.product-shot{border-radius:10px}.product-shot figcaption{padding:10px 12px;font-size:12px}.flow-section{padding-block:65px 55px}.flow-grid{grid-template-columns:1fr;gap:27px;margin-top:30px}.flow-grid article{padding-top:20px}.step-label{margin-bottom:9px}.flow-grid h3{margin-bottom:10px}.feature-section{padding-block:55px}.feature-heading{display:block}.feature-heading>p{max-width:none;margin-top:18px}.feature-grid{grid-template-columns:1fr;margin-top:28px;gap:14px}.feature-card{padding:26px 23px}.feature-card .card-note{padding-top:18px}.privacy-section{padding-block:60px}.privacy-grid{grid-template-columns:1fr;gap:30px;margin-top:30px}.privacy-symbol{margin-bottom:10px}.purchase-section{padding-block:55px}.purchase-grid{grid-template-columns:1fr;gap:35px}.purchase-intro>p:not(.eyebrow){max-width:none}.purchase-card{padding:27px}.faq-section{padding-block:60px;grid-template-columns:1fr;gap:30px}.site-footer{padding-block:28px}.footer-links{gap:12px 18px}.footer-note{font-size:12px}}
@media(max-width:390px){.nav-wrap{display:block}nav{margin-top:8px;justify-content:space-between;gap:10px}.home-link{border:0;padding-left:0}.hero-actions .button{width:100%}}
@media(min-width:681px) and (max-width:960px){.purchase-grid{grid-template-columns:1fr}.purchase-intro>p:not(.eyebrow){max-width:680px}}
@media(max-width:680px){.membership-plans{grid-template-columns:1fr}.price-state{font-size:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.primary:hover{transform:none}}