:root{color-scheme:light;--ink:#092441;--muted:#50667b;--blue:#0563c7;--line:#d7e6f1;--ice:#f2f9fd;--radius:20px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
.brand img{display:block;width:172px;height:auto}.brand{display:inline-flex;align-items:center;min-height:44px}.footer-main .brand img{width:154px}
*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-underline-offset:5px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}img{max-width:100%;height:auto}svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,p{margin:0}p{line-height:1.7;color:var(--muted)}h2{font-size:clamp(28px,3vw,44px);line-height:1.16;letter-spacing:-.035em}h3{font-size:22px;letter-spacing:-.025em}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #167bd8;outline-offset:6px;border-radius:4px}[hidden]{display:none!important}.wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;top:-100px;left:20px;z-index:20;background:#fff;padding:15px}.skip:focus{top:12px}
.site-header{background:#f5faff;border-bottom:1px solid #e7f0f6}.header-inner{min-height:92px;display:flex;align-items:center;gap:30px}.brand{font-family:Georgia,"Times New Roman",serif;font-size:29px;letter-spacing:-1px;color:var(--ink);text-decoration:none;font-weight:600;margin-right:auto}.nav{display:flex;align-items:center;gap:30px}.nav a{color:var(--ink);text-decoration:none;font-size:14px;min-height:44px;display:flex;align-items:center;border-bottom:2px solid transparent}.nav a:hover,.nav a[aria-current]{color:var(--blue);border-bottom-color:var(--blue)}.language,.menu{background:transparent;border:0;min-height:44px;min-width:44px;color:var(--ink);font-size:14px}.menu{display:none}.hero{background:linear-gradient(120deg,#f6fbff 20%,#e9f7ff 100%)}.hero-inner{display:grid;grid-template-columns:.94fr 1.06fr;align-items:center;min-height:620px;gap:16px;padding-block:54px 64px}.hero h1{font:500 clamp(52px,5.7vw,83px)/1.02 Georgia,"Times New Roman",serif;letter-spacing:-.055em;max-width:570px}.hero h1:lang(zh-CN){font-family:"Songti SC","Noto Serif CJK SC",serif;letter-spacing:-.04em;line-height:1.22}.hero .lead{font-size:20px;max-width:470px;margin-top:26px}.hero-art{width:112%;max-width:none;margin-left:-4%;filter:drop-shadow(0 18px 22px #123f6412)}.actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;padding:14px 25px;min-height:48px;border-radius:8px;background:#218bd4;color:white;text-decoration:none;font-size:16px}.button:hover{background:#086cc0}.text-link{font-size:16px;text-decoration:none;padding-block:12px}.device-note{font-size:13px;margin-top:18px}.features{display:grid;grid-template-columns:repeat(3,1fr);padding-block:48px 60px;gap:46px}.feature{text-align:center;padding:0 20px}.feature+.feature{border-left:1px solid var(--line)}.feature .icon{display:grid;place-items:center;width:68px;height:68px;margin:0 auto 20px;background:#f0f9ff;border-radius:50%;color:#1689d1}.feature h2{font:500 25px/1.2 Georgia,"Songti SC",serif;letter-spacing:-.025em}.feature p{margin:14px auto 0;max-width:295px;font-size:16px}.trust{background:linear-gradient(120deg,#102c4b,#173f6a);color:#fff}.trust-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:70px;align-items:center;padding-block:40px}.trust p{color:#d0e6f9;font-size:20px;margin-top:18px;max-width:660px}.trust img{display:block;max-height:260px;object-fit:contain;margin:auto}.site-footer{background:#f7fbfe;border-top:1px solid var(--line);padding-block:32px}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-main .brand{font-size:24px}.footer-links{display:flex;gap:24px;flex-wrap:wrap}.footer-links a{font-size:14px;color:var(--muted);text-decoration:none;min-height:44px;display:flex;align-items:center}.footer-small{font-size:12px;color:var(--muted);margin-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-small a{color:inherit}
.reading-hero{background:linear-gradient(115deg,#f7fbfe,#eef8ff);padding-block:64px 54px}.reading-hero h1{font-size:clamp(36px,4.5vw,60px);letter-spacing:-.05em;line-height:1.12}.reading-hero p{font-size:21px;margin-top:18px}.updated{display:block;margin-top:20px;font-size:13px;color:var(--muted)}.reading-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;padding-block:50px 90px;align-items:start}.toc{position:sticky;top:25px;border-right:1px solid var(--line);padding-right:25px}.toc h2{font-size:15px;letter-spacing:0;margin-bottom:14px}.toc a{display:block;color:var(--muted);text-decoration:none;font-size:15px;padding:12px 0;line-height:1.4}.toc a:hover{color:var(--blue)}.article{max-width:850px;font-size:17px}.notice{background:#edf8ff;border-left:3px solid #47afe7;border-radius:0 10px 10px 0;padding:22px 26px;line-height:1.7;color:var(--ink);margin-bottom:32px}.article section{scroll-margin-top:30px;margin-top:35px}.article h2{font-size:27px;letter-spacing:-.02em;line-height:1.3;margin-bottom:14px}.article p+p{margin-top:14px}.article ul{padding-left:22px;color:var(--muted);line-height:1.8}.article li+li{margin-top:8px}.article a{overflow-wrap:anywhere}.faq details{border-bottom:1px solid var(--line);padding-block:20px}.faq summary{cursor:pointer;font-size:20px;line-height:1.5;font-weight:600;padding-right:12px}.faq details p{padding-top:14px}.support-contact{padding:28px;background:var(--ice);border-radius:var(--radius);margin-top:36px}.support-contact p{margin-top:12px}.support-contact a{display:inline-block;margin-top:18px}
/* Preserve the editorial scale of the desktop concept without enlarging mobile controls. */
@media(min-width:1001px){.hero h1{font-size:clamp(76px,7vw,104px);max-width:550px}.hero h1:lang(zh-CN){font-size:80px;max-width:440px}.hero .lead{font-size:22px}.hero-inner{min-height:650px}}

@media(min-width:1700px){.hero-inner{min-height:680px}.hero-art{width:115%}}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.hero-inner{min-height:550px}.hero-art{width:100%;margin:0}.hero h1{font-size:64px}.features{gap:20px}.feature{padding-inline:8px}.trust-inner{gap:30px}.reading-layout{grid-template-columns:180px minmax(0,1fr);gap:30px}.footer-main{align-items:flex-start}.footer-links{gap:12px}}
@media(max-width:680px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:76px;gap:8px;flex-wrap:wrap}.brand{font-size:26px}.menu{display:block}.nav{display:none;order:4;width:100%;padding-bottom:16px;gap:0;flex-wrap:wrap}.nav.is-open{display:flex}.nav a{width:50%;padding:10px 0}.hero-inner{display:flex;flex-direction:column;min-height:0;padding-block:40px 34px;gap:20px;overflow:hidden}.hero h1{font-size:56px;max-width:500px}.hero .lead{font-size:18px;margin-top:21px}.hero-art{width:110%;max-width:560px;margin:0 -5%;order:2}.hero-copy{width:100%}.actions{gap:20px;margin-top:22px}.features{grid-template-columns:1fr;gap:28px;padding-block:34px 40px}.feature{display:grid;grid-template-columns:56px 1fr;gap:0 18px;text-align:left;padding:0}.feature+.feature{border-left:0;border-top:1px solid var(--line);padding-top:28px}.feature .icon{grid-row:1/3;width:56px;height:56px;margin:0}.feature h2{font-size:24px}.feature p{max-width:none;font-size:15px;margin:9px 0 0}.trust-inner{grid-template-columns:1fr;gap:10px;padding-block:40px 24px}.trust p{font-size:18px}.trust img{max-height:215px}.footer-main{flex-direction:column;gap:12px}.footer-links{gap:16px}.footer-small{line-height:1.7}.reading-hero{padding-block:42px 34px}.reading-hero p{font-size:18px}.reading-layout{grid-template-columns:1fr;gap:28px;padding-block:24px 55px}.toc{position:static;border-right:0;border-bottom:1px solid var(--line);padding:0 0 18px;display:flex;flex-wrap:wrap;gap:0 20px}.toc h2{width:100%}.toc a{padding:9px 0}.article{font-size:16px}.article h2{font-size:25px}.notice{padding:19px}.faq summary{font-size:18px}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}.button{transition:background .2s}.hero-art{animation:arrive .8s ease-out both}@keyframes arrive{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}}
@media print{.site-header,.toc,.site-footer{display:none}.wrap{width:100%}.reading-layout{display:block}.reading-hero{padding-top:0}a{color:inherit}.article{max-width:none}}
.button{background:#0875bf}.menu{font-size:22px}.faq summary{min-height:44px}
.trust h2{text-wrap:balance}

/* Product story: clear categories, media review and contact care, not a price table. */
.feature h2 a{color:inherit;text-decoration:none;display:inline-block;padding-block:4px}.feature h2 a:hover{color:var(--blue);text-decoration:underline}
.product-section{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:88px;padding-block:88px;scroll-margin-top:24px}
.product-copy h2,.control-heading h2{max-width:620px;text-wrap:balance}.product-copy>p{font-size:18px;margin-top:24px;max-width:62ch}.product-details{list-style:none;padding:0;margin:30px 0 0}.product-details li+li{margin-top:25px}.product-details h3{font-size:19px;line-height:1.4}.product-details p{font-size:16px;margin-top:7px}.product-copy .text-link{display:inline-block;margin-top:22px;text-decoration:underline}
.scan-section{border-top:1px solid var(--line)}.scan-categories{background:var(--ice);padding:32px;border-radius:16px}.scan-categories>h3{font-size:21px;line-height:1.4}.scan-categories ul{list-style:none;margin:18px 0 0;padding:0}.scan-categories li{display:flex;align-items:center;gap:18px;padding-block:20px}.scan-categories li+li{border-top:1px solid var(--line)}.scan-categories svg{flex:0 0 28px;color:var(--blue)}.scan-categories h4{font-size:17px;line-height:1.45;margin:0;font-weight:600}.scan-categories li p{font-size:14px;margin-top:4px}.feature-note{font-size:13px;margin-top:15px;line-height:1.65}
.media-section{background:linear-gradient(120deg,#f6fbff,#e9f7ff);scroll-margin-top:24px}.media-art img{display:block;width:100%;filter:drop-shadow(0 20px 20px #123f6412)}.media-art>p{font-size:16px;text-align:center;margin:18px auto 0;max-width:32ch}.media-section .product-section{gap:72px}
.trust{scroll-margin-top:24px}.trust-inner{grid-template-columns:1.15fr 1fr;gap:60px;padding-block:72px}.trust img{max-height:350px;width:100%}.contact-points{list-style:none;margin:28px 0 0;padding:0}.contact-points li+li{margin-top:20px}.contact-points h3{font-size:18px;line-height:1.4}.contact-points p{font-size:16px;margin-top:6px;color:#d0e6f9}

::selection{background:#b9e5fc;color:#092441}
@media(max-width:1000px){.product-section{gap:36px;padding-block:62px}.scan-categories{padding:24px}.media-section .product-section{gap:36px}.trust-inner{gap:36px}}
@media(max-width:680px){.product-section{grid-template-columns:1fr;gap:30px;padding-block:44px}.product-copy h2,.control-heading h2{font-size:31px;line-height:1.25}.product-copy>p{font-size:17px;margin-top:18px}.scan-categories{padding:24px 20px}.scan-categories li{gap:14px;padding-block:17px}.scan-categories h4{font-size:16px}.media-section .product-section{gap:30px}.media-art{order:2}.media-art>p{font-size:14px}.trust-inner{grid-template-columns:1fr;padding-block:44px 30px;gap:22px}.trust img{max-height:260px}.trust h2{font-size:31px;line-height:1.25}.trust p{font-size:17px}.contact-points p{font-size:15px}}

/* One reading path: promise on the left, a continuous workflow on the right. */
.control-section{padding-block:88px}
.control-layout{display:grid;grid-template-columns:1fr 1fr;gap:88px;align-items:center}
.control-heading{max-width:440px}
.control-heading h2{font-size:clamp(36px,3.5vw,48px);line-height:1.22;letter-spacing:-.03em}
.control-heading>p{font-size:18px;line-height:1.75;max-width:36ch;margin-top:24px}
.control-heading>a{display:inline-flex;align-items:center;min-height:44px;margin-top:16px;font-size:15px}
.steps{list-style:none;display:flex;flex-direction:column;gap:28px;margin:0;padding:0}
.step{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr);gap:24px;align-items:start;min-width:0}
.step-index{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#edf7fe;color:var(--blue);font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.step:not(:last-child)::after{content:"";position:absolute;left:21px;top:52px;bottom:-20px;width:1px;background:var(--line)}
.step h3{font-size:23px;line-height:1.35;padding-top:6px;letter-spacing:-.02em}
.step p{font-size:16px;line-height:1.65;margin-top:8px;max-width:38ch}
.product-finish{margin-top:56px;padding:28px 32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:center;background:var(--ice);border-radius:16px}
.product-finish h3{font-size:20px;line-height:1.4;letter-spacing:-.02em}
.product-finish p{font-size:15px;line-height:1.7;margin-top:8px;max-width:76ch}
.product-finish>a{display:inline-flex;align-items:center;min-height:44px;font-size:15px;white-space:nowrap}
@media(max-width:1000px){.control-section{padding-block:64px}.control-layout{gap:48px}.product-finish{gap:32px}}
@media(max-width:680px){.control-section{padding-block:48px}.control-layout{grid-template-columns:1fr;gap:36px}.control-heading h2{font-size:34px;line-height:1.25}.control-heading>p{font-size:17px;margin-top:20px;max-width:34ch}.control-heading>a{margin-top:12px}.steps{gap:24px}.step{gap:20px}.step h3{font-size:21px}.step p{font-size:15px;margin-top:6px}.step:not(:last-child)::after{bottom:-16px}.product-finish{margin-top:36px;padding:24px;grid-template-columns:1fr;gap:12px}.product-finish h3{font-size:19px}.product-finish p{font-size:14px}.product-finish>a{justify-self:start}}

/* Legal documents use a restrained title and date, without promotional headings. */
.legal-hero{background:#f8fafc;padding-block:44px 32px;border-bottom:1px solid var(--line)}
.legal-hero h1{font-size:40px;line-height:1.25;letter-spacing:-.02em}
.legal-hero .updated{font-size:14px;margin-top:16px}
.legal-layout{padding-block:40px 80px}
.legal-layout .article{max-width:76ch;line-height:1.8}
.legal-layout .article section:first-child{margin-top:0}
.legal-layout .article section+section{margin-top:36px}
.legal-layout .article h2{font-size:24px;line-height:1.4;letter-spacing:0}
.legal-layout .article p{line-height:1.85}
.legal-layout .toc a{font-size:14px}
@media(max-width:680px){.legal-hero{padding-block:32px 24px}.legal-hero h1{font-size:32px}.legal-hero .updated{font-size:13px;margin-top:12px}.legal-layout{padding-block:24px 48px}.legal-layout .article h2{font-size:21px}.legal-layout .article section+section{margin-top:28px}}