:root{color-scheme:light;--blue:#2563eb;--ink:#102243;--muted:#61718a;--line:#e1e7f0;--width:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.7;background:#fff}a{color:inherit}img{display:block;max-width:100%;height:auto}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible{outline:3px solid #ffbe48;outline-offset:5px}.container{width:min(var(--width),calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:16px;padding:8px 18px;z-index:20;background:#fff;color:var(--blue)}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:1.5rem;font-weight:750;white-space:nowrap}.brand img{border-radius:11px}.nav-links{display:flex;align-items:center;gap:32px;font-size:.94rem}.nav-links a{text-decoration:none}.nav-links a:hover,.footer-links a:hover{color:var(--blue)}.nav-download{padding:8px 19px;border:1px solid var(--line);border-radius:8px}.hero{background:linear-gradient(120deg,#102f65 0%,#174aa7 58%,#2563eb 100%);color:#fff;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:96px;align-items:center;padding-block:74px 66px}.eyebrow{font-size:.87rem;font-weight:650;letter-spacing:.16em;color:#c7ddff;display:block}.hero-logo{border-radius:24px;margin-top:25px;box-shadow:0 10px 30px #0626584d}.hero h1{font-size:clamp(3.5rem,6vw,4.5rem);letter-spacing:.02em;line-height:1.1;margin:23px 0 20px;font-weight:750}.hero-tagline{font-size:1.75rem;font-weight:600;margin:0 0 15px}.hero-description{color:#dce9ff;font-size:1.08rem;line-height:1.9;margin:0 0 32px}.download-panel{display:flex;gap:24px;align-items:center;scroll-margin-top:110px}.download-qr{width:152px;height:152px;background:#fff;padding:8px;border-radius:12px;flex-shrink:0}.download-title{font-size:1.1rem;font-weight:650;margin:0 0 3px}.download-description{color:#d5e5ff;font-size:.875rem;max-width:200px;margin:0 0 14px}.button{display:inline-flex;justify-content:center;align-items:center;text-decoration:none;background:#fff;color:#194cb3;font-size:1rem;font-weight:700;border-radius:8px;padding:10px 25px;min-height:44px}.button:hover{background:#eaf1ff}.version{font-size:.8125rem;color:#c4d9ff;margin:9px 0 0}.app-figure{margin:0;justify-self:center;width:280px}.phone-frame{padding:8px;border-radius:31px;background:#112244;box-shadow:0 30px 65px #071d624d;overflow:hidden}.phone-frame img{width:264px;border-radius:24px}.app-figure figcaption{display:flex;flex-direction:column;gap:1px;text-align:center;color:#cedfff;font-size:.875rem;margin-top:20px}.figure-label{font-size:.9375rem;font-weight:650;color:#fff}.section{padding-block:82px 90px}.section-heading{margin-bottom:38px;max-width:650px}.blue{color:var(--blue)}h2{font-size:clamp(1.8rem,3vw,2.3rem);line-height:1.4;letter-spacing:-.025em;margin:10px 0 15px}.section-heading p{color:var(--muted);font-size:1rem;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-card{padding:27px 28px 29px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:border-color .2s,transform .2s}.feature-card:hover{border-color:#a8c1f4;transform:translateY(-3px)}.feature-number{color:var(--blue);font-size:.875rem;font-weight:700;display:block;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:15px}.feature-card h3{font-size:1.2rem;margin:0 0 8px}.feature-card p{color:var(--muted);font-size:1rem;margin:0}.about{background:#102b58;color:#fff;padding-block:72px}.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start}.about h2{font-size:2.25rem;margin-top:13px}.about-copy p{color:#d5e0f4;font-size:1rem;margin:0 0 18px}.text-link{color:#fff;text-underline-offset:6px;font-size:.94rem}.site-footer{padding-block:30px 22px;background:#f7f9fc}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px}.site-footer .brand{font-size:1.2rem}.footer-links{display:flex;gap:28px;font-size:.875rem}.footer-links a{text-decoration:none}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:.8125rem;color:#67768c}.footer-bottom p{margin:0}.privacy-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:42px;padding-block:45px 80px}.privacy-toc{position:sticky;top:116px;align-self:start;border-left:2px solid var(--line);padding-left:20px}.privacy-toc h2{font-size:.9375rem;margin:0 0 14px}.privacy-toc a{display:block;text-decoration:none;color:var(--muted);font-size:.875rem;margin-bottom:11px;line-height:1.6}.privacy-toc a:hover{color:var(--blue)}.policy-heading{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:26px}.policy-heading h1{font-size:2.25rem;margin:10px 0 0;line-height:1.4}.policy-heading p{font-size:.9375rem;color:var(--muted);margin:12px 0 0}.policy-content{font-size:1rem;line-height:1.95;overflow-wrap:anywhere}.policy-content p{margin:14px 0!important;padding:0!important}.policy-content h2{font-size:1.35rem;line-height:1.6;margin:35px 0 16px;scroll-margin-top:115px}.policy-content ul,.policy-content ol{padding-left:1.6em}.policy-content li{margin-block:10px}.policy-content a{color:#1e52b5}.policy-content span{font-size:inherit!important}.policy-content strong{font-weight:650}.table-wrap{max-width:100%;overflow-x:auto;margin-block:20px;overscroll-behavior-x:contain}.policy-content table{border-collapse:collapse;width:100%!important;min-width:650px;font-size:.875rem;line-height:1.75}.policy-content td,.policy-content th{border:1px solid #c8d3e1!important;padding:11px!important;vertical-align:top;min-width:90px;white-space:normal!important}.policy-content table p{font-size:inherit!important}.policy-content table tr:first-child{background:#eff4fd}.policy-content table a{word-break:break-all}.back-link{font-size:.875rem;color:var(--muted);text-decoration:none}.privacy-header .nav-links{gap:24px}
@media(max-width:900px){.hero-grid{gap:42px;grid-template-columns:1.25fr 1fr}.app-figure{width:245px}.phone-frame img{width:229px}.feature-grid{grid-template-columns:repeat(2,1fr)}.about-grid{gap:38px}.privacy-layout{grid-template-columns:190px minmax(0,1fr);gap:28px}}
@media(max-width:640px){html{scroll-padding-top:91px}.container{width:calc(100% - 36px)}.nav{min-height:72px;gap:12px}.brand{font-size:1.25rem;gap:9px}.brand img{width:36px;height:36px}.nav-links{gap:15px;font-size:.875rem}.nav-links a[href="#about"]{display:none}.nav-download{padding:6px 10px}.hero-grid{grid-template-columns:1fr;padding-block:43px 45px;gap:44px}.hero-copy{text-align:center}.hero-logo{margin:20px auto 0;width:82px;height:82px;border-radius:19px}.hero h1{font-size:3.5rem;margin:22px 0 18px}.hero-tagline{font-size:1.4rem}.hero-description{font-size:1rem}.download-panel{text-align:left;justify-content:center;gap:17px}.download-qr{width:128px;height:128px}.download-title{font-size:1rem}.download-description{max-width:174px;font-size:.875rem}.button{font-size:.9375rem;padding:9px 20px}.app-figure{width:248px}.phone-frame img{width:232px}.section{padding-block:52px 58px}.section-heading{margin-bottom:28px}.section-heading h2{font-size:1.75rem}.feature-grid{grid-template-columns:1fr;gap:14px}.feature-card{padding:22px}.feature-number{margin-bottom:11px}.about{padding-block:47px}.about-grid{grid-template-columns:1fr;gap:15px}.about h2{font-size:1.85rem}.footer-top,.footer-bottom{align-items:flex-start;flex-direction:column;gap:17px}.footer-links{gap:22px}.footer-bottom{gap:7px;margin-top:21px}.privacy-layout{display:block;padding-block:28px 50px}.privacy-toc{position:static;padding:16px;border:1px solid var(--line);border-radius:10px;margin-bottom:27px;display:grid;grid-template-columns:1fr 1fr;gap:9px 15px}.privacy-toc h2{grid-column:1/-1}.privacy-toc a{margin:0;font-size:.8125rem}.policy-heading h1{font-size:1.8rem}.policy-content{line-height:1.9}.policy-content h2{font-size:1.25rem}.privacy-header .nav-links{gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.feature-card{transition:none}.feature-card:hover{transform:none}}