@font-face{font-family:Geist;src:url('/assets/geist.woff2') format('woff2');font-style:normal;font-weight:100 900;font-display:swap}
:root{font-family:Geist,"PingFang SC","Microsoft YaHei",sans-serif;color:#182b43;background:#fff;font-synthesis:none;--blue:#315ce7;--ink:#182b43;--muted:#637185;--line:#e3e9f0;--tint:#f3f7fc}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #87abff;outline-offset:5px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}.wrap{width:min(1180px,calc(100% - 96px));margin-inline:auto}h1,h2,h3,p{margin:0}p{line-height:1.75;color:var(--muted)}h2{font-size:34px;line-height:1.25;font-weight:580;letter-spacing:-1.2px}h3{font-size:21px;line-height:1.4;font-weight:590;letter-spacing:-.45px}.skip-link{position:absolute;top:-80px;left:16px;padding:10px;background:white;z-index:10}.skip-link:focus{top:12px}.site-header{height:100px;display:flex;align-items:center;gap:55px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:650;letter-spacing:-.65px;white-space:nowrap}.brand>span>span{font-weight:400;color:var(--muted)}.site-header nav{display:flex;gap:30px;font-size:14px;color:#536277}.site-header nav a:hover,.quiet-link:hover,.footer-top nav a:hover{color:var(--blue)}.header-actions{margin-left:auto;display:flex;gap:24px;align-items:center;font-size:13px}.language-link{color:var(--muted)}.header-cta{padding:11px 17px;border:1px solid #d7e0f5;border-radius:6px;color:var(--blue);font-weight:550}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;background:var(--blue);color:#fff;border:1px solid var(--blue);padding:15px 22px;border-radius:6px;line-height:1.25;font-size:15px;font-weight:550;text-decoration:none}.button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6}.button:hover{background:#244bcc}.quiet-link{font-size:14px;font-weight:550;color:var(--blue);text-decoration:underline;text-underline-offset:5px}.hero{display:grid;grid-template-columns:1.13fr 1fr;gap:50px;align-items:center;padding-block:90px 95px;min-height:630px}.hero h1{font-size:66px;line-height:1.05;font-weight:590;letter-spacing:-3.5px}.hero-description{font-size:17px;max-width:480px;margin-top:26px;line-height:1.8}.hero-actions{display:flex;gap:25px;align-items:center;margin-top:30px}.hero-note{font-size:12px;margin-top:21px;max-width:500px;display:flex;gap:9px}.hero-note>span{color:#168966}.document-scene{position:relative;height:430px;width:100%;max-width:460px;justify-self:end;background:linear-gradient(155deg,#f1f6fc,#f8fafc 60%,#eef4fc);border-radius:50% 45% 45% 42%}.document-preview{position:absolute;inset:30px 42px 22px 12px;background:white;border:1px solid #d9e4ef;border-radius:7px;box-shadow:0 22px 65px #233d6614;transform:rotate(-4deg);overflow:hidden}.preview-top{height:49px;display:flex;align-items:center;gap:10px;padding-inline:18px;border-bottom:1px solid #e6edf4;font-size:11px;font-weight:550;color:#748297}.file-stamp{display:grid;place-items:center;height:24px;width:21px;background:#e5ecff;color:#315ce7;border-radius:3px;font-weight:700}.preview-dots{margin-left:auto;letter-spacing:3px}.preview-content{padding:29px 28px}.document-date{font-size:8px;letter-spacing:1.4px;color:#8a9bb0}.preview-content h2{font-size:27px;letter-spacing:-1px;margin-top:12px;font-weight:600}.preview-content p{font-size:11px;margin-top:7px}.preview-lines{display:grid;gap:10px;margin-top:23px}.preview-lines i{height:5px;background:#e5eaf1;display:block;border-radius:2px}.preview-lines i:last-child{width:67%}.preview-highlight{margin-top:20px;font-size:11px;line-height:1.5;background:#edf2ff;border-left:2px solid #9ab0ff;padding:9px 8px;color:#315ce7}.preview-lines.short{margin-top:17px;gap:8px}.preview-lines.short i{height:4px}.preview-lines.short i:first-child{width:90%}.preview-bottom{position:absolute;bottom:0;left:0;right:0;height:34px;background:#fafcfe;border-top:1px solid #edf1f5;display:flex;align-items:center;gap:6px;padding:0 17px;font-size:9px;color:#6b7d92}.status-dot{height:5px;width:5px;border-radius:50%;background:#3da185}.format-tab{position:absolute;right:0;top:72px;width:100px;height:55px;border:1px solid;border-radius:7px;display:flex;align-items:center;justify-content:flex-end;padding-right:14px;font-size:10px;font-weight:600;letter-spacing:.5px}.tab-slide{color:#b46b3a;background:#fff1e5;border-color:#f1d9c6;transform:rotate(13deg);top:108px;right:-5px}.tab-cell{color:#287b60;background:#e4f3ec;border-color:#c5e3d7;transform:rotate(5deg);top:172px;right:2px}.scene-caption{position:absolute;left:88px;bottom:-10px;font-size:11px;color:#8c9bad;letter-spacing:1px}.format-section{padding:48px 0 68px;border-top:1px solid var(--line)}.section-heading h2{font-size:29px}.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:46px;margin-top:40px}.format-item{position:relative;padding-top:21px;border-top:2px solid #b7caff}.format-item.green{border-color:#9fd4bd}.format-item.orange{border-color:#f0bc98}.format-letter{display:inline-flex;align-items:center;justify-content:center;height:38px;width:32px;border-radius:4px;background:#edf2ff;color:#315ce7;font-weight:650;font-size:20px;margin-bottom:20px}.green .format-letter{background:#eaf6ef;color:#287b60}.orange .format-letter{background:#fff1e6;color:#b46b3a}.format-item h3{font-size:20px;margin-bottom:13px}.format-item p{font-size:14px;min-height:98px}.format-link{display:inline-block;font-size:13px;color:var(--blue);font-weight:550;margin-top:17px;border-bottom:1px solid #b7caff;padding-bottom:3px}.flow-section{padding:55px 0 85px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;list-style:none;padding:0;margin:35px 0 0}.step-number{display:grid;place-items:center;width:29px;height:29px;border-radius:50%;background:#edf2ff;color:var(--blue);font-size:12px;margin-bottom:16px}.steps h3{font-size:18px;margin-bottom:10px}.steps p{font-size:14px}.privacy-section{background:var(--tint);padding-block:59px}.privacy-inner{display:grid;grid-template-columns:140px 1fr;gap:40px;align-items:center;max-width:900px}.privacy-visual{display:grid;place-items:center}.privacy-visual svg{width:94px;fill:#e1eaff;stroke:#8da8ec;stroke-width:1.2}.privacy-visual .shield-check{stroke:#315ce7;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;fill:none}.privacy-inner h2{font-size:29px}.privacy-inner p{font-size:15px;margin:16px 0 21px;max-width:660px}.guides-section{padding-block:78px 65px}.guide-list{margin-top:28px}.guide-list>a{padding:24px 0;display:flex;gap:30px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.guide-list h3{font-size:19px}.guide-list p{font-size:14px;margin-top:6px}.guide-arrow{font-size:22px;color:var(--blue);padding:10px}.faq-section{padding:35px 0 70px;display:grid;grid-template-columns:1fr 1.5fr;gap:60px}.faq-section details{border-bottom:1px solid var(--line);padding:19px 0}.faq-section details:first-child{padding-top:3px}.faq-section summary{cursor:pointer;font-size:16px;line-height:1.6;font-weight:550}.faq-section details p{font-size:14px;margin-top:16px}.faq-section details .quiet-link{display:inline-block;margin-top:12px}.ad-reservation{margin:0 auto 65px;border:1px dashed #d9e1eb;border-radius:4px;min-height:110px;max-width:800px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;text-align:center;padding:18px;color:#7a8799;font-size:10px}.ad-reservation>span{font-size:9px}.ad-reservation p{font-size:12px}.ad-reservation a{text-decoration:underline;color:#8191a8}.site-footer{background:#f8fafc;border-top:1px solid var(--line);padding:43px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:40px}.footer-top .brand{font-size:20px}.footer-top p{font-size:12px;margin-top:12px}.footer-top nav{max-width:560px;display:grid;grid-template-columns:repeat(3,1fr);gap:17px 27px;font-size:12px;color:#536277;align-content:center}.footer-bottom{border-top:1px solid var(--line);margin-top:37px;padding-top:23px;display:flex;justify-content:space-between;gap:30px;color:#8a96a7;font-size:10px;line-height:1.6}.footer-bottom span:last-child{max-width:480px;text-align:right}.article{max-width:820px;padding-block:52px 90px;min-height:65vh}.back-link{color:var(--blue);font-size:13px;display:inline-block;margin-bottom:38px}.article h1{font-size:45px;line-height:1.18;letter-spacing:-1.9px;font-weight:580;max-width:750px}.article-introduction{font-size:18px;margin:24px 0 35px;line-height:1.85}.article-section{margin-top:38px}.article-section h2{font-size:25px;letter-spacing:-.65px;margin-bottom:15px}.article-section p{font-size:16px;line-height:1.9}.article>.button,.article>.quiet-link{margin-top:10px}.article>p a{color:var(--blue);text-decoration:underline;font-size:14px}.article>p{margin-top:20px}.article .steps{gap:28px;margin-bottom:40px}.article hr{margin-top:34px;border:0;border-top:1px solid var(--line)}.recovery-row{display:flex;gap:20px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:20px 0}.recovery-row strong{display:block;overflow-wrap:anywhere;font-size:15px}.recovery-row small{display:block;color:var(--muted);margin-top:7px;font-size:12px}.recovery-row button,dialog button{padding:10px 14px;color:var(--blue);background:#f1f5ff;border:1px solid #cddafb;border-radius:5px;white-space:nowrap;font-size:13px}.clear-copies{margin-top:25px;padding:0;border:0;color:#a13939;background:none;font-size:13px;text-decoration:underline}#recovery-status{margin:20px 0}.clear-copies[hidden]{display:none}dialog{max-width:500px;border:1px solid #dce3ef;border-radius:9px;padding:30px;color:var(--ink);box-shadow:0 20px 80px #172a4340}dialog::backdrop{background:#152c4960}dialog h2{font-size:24px;margin-bottom:18px}dialog p{font-size:14px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.dialog-actions button:last-child{color:#ac3030;background:#fff4f4;border-color:#e9cccc}
@media(min-width:1450px){.hero{padding-block:105px 115px}.hero h1{font-size:74px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.site-header{gap:32px}.site-header nav{gap:20px}.header-actions{gap:16px}.hero{gap:25px;padding-block:65px 80px;min-height:570px}.hero h1{font-size:54px;letter-spacing:-2.7px}.hero-description{font-size:16px}.document-scene{height:370px}.document-preview{inset:20px 20px 15px 0}.preview-content{padding:22px}.preview-content h2{font-size:23px}.format-tab{right:-12px}.hero-actions{gap:18px}.hero-note{font-size:11px}.format-grid{gap:25px}.format-item p{min-height:125px}.faq-section{gap:40px}.footer-top nav{gap:16px;grid-template-columns:repeat(2,1fr)}.privacy-inner{gap:25px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:80px;gap:18px;flex-wrap:wrap;position:relative}.brand{font-size:19px;gap:8px}.brand img{width:28px;height:28px}.site-header nav{display:none}.header-actions{gap:14px}.header-cta{font-size:12px;padding:9px 11px}.language-link{font-size:11px}.hero{grid-template-columns:1fr;padding-block:49px 40px;gap:32px}.hero h1{font-size:50px;letter-spacing:-2.6px;line-height:1.12}.hero-description{font-size:16px;line-height:1.8;max-width:540px;margin-top:22px}.hero-actions{margin-top:25px;gap:20px}.button{font-size:14px;padding:14px 19px}.quiet-link{font-size:13px}.hero-note{font-size:11px;margin-top:18px;line-height:1.7}.document-scene{height:340px;width:340px;max-width:calc(100% - 15px);justify-self:center;margin-top:5px}.document-preview{inset:15px 28px 14px 0}.preview-top{height:40px;padding-inline:15px;font-size:9px}.preview-content{padding:19px 22px}.preview-content h2{font-size:24px;margin-top:10px}.preview-content p{font-size:10px}.preview-lines{margin-top:18px;gap:9px}.preview-highlight{font-size:10px;margin-top:16px}.preview-lines.short{margin-top:15px}.document-date{font-size:7px}.scene-caption{font-size:9px;bottom:-9px;left:65px}.format-tab{height:50px;top:135px;font-size:9px}.tab-slide{top:80px;right:7px}.tab-cell{right:0}.format-section{padding:35px 0 25px}.section-heading h2,h2{font-size:28px;letter-spacing:-1px}.format-grid{grid-template-columns:1fr;gap:27px;margin-top:28px}.format-item{display:grid;grid-template-columns:36px 1fr;gap:0 18px;padding-top:20px}.format-letter{grid-row:1/4;margin-bottom:0;height:36px;width:30px}.format-item h3{font-size:19px;margin:0 0 9px}.format-item p{font-size:14px;min-height:0}.format-link{grid-column:2;justify-self:start;margin-top:14px}.flow-section{padding:40px 0 50px}.steps{grid-template-columns:1fr;gap:25px;margin-top:27px}.steps li{display:grid;grid-template-columns:28px 1fr;gap:4px 17px}.step-number{grid-row:1/3;margin:0;width:27px;height:27px}.steps h3{font-size:17px;margin:0 0 5px}.steps p{font-size:14px}.privacy-section{padding-block:36px}.privacy-inner{grid-template-columns:1fr;gap:20px}.privacy-visual{justify-content:start}.privacy-visual svg{width:53px}.privacy-inner h2{font-size:27px}.privacy-inner p{font-size:14px;margin:16px 0 18px}.guides-section{padding:43px 0 35px}.guide-list{margin-top:12px}.guide-list>a{padding:22px 0;gap:18px}.guide-list h3{font-size:17px}.guide-list p{font-size:13px;margin-top:8px}.guide-arrow{font-size:20px;padding:4px}.faq-section{display:block;padding:25px 0 40px}.faq-section>div{margin-top:25px}.faq-section summary{font-size:15px}.faq-section details p{font-size:13px}.ad-reservation{margin-bottom:40px;min-height:100px}.site-footer{padding:30px 0 24px}.footer-top{display:block}.footer-top nav{max-width:none;margin-top:28px;gap:18px 25px;font-size:12px;grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block;margin-top:28px;padding-top:20px;font-size:10px}.footer-bottom span{display:block}.footer-bottom span:last-child{text-align:left;margin-top:9px}.article{padding:32px 0 55px}.back-link{margin-bottom:27px;font-size:12px}.article h1{font-size:36px;letter-spacing:-1.3px}.article-introduction{font-size:16px;line-height:1.9;margin:20px 0 27px}.article-section{margin-top:30px}.article-section h2{font-size:23px}.article-section p{font-size:15px}.recovery-row{display:block}.recovery-row button{margin-top:13px}.article .steps{gap:23px}.dialog-actions{flex-wrap:wrap}dialog{max-width:calc(100% - 36px);padding:25px}}
@media(prefers-reduced-motion:no-preference){.button,.quiet-link,.header-cta{transition:background .15s,color .15s}}
.breadcrumbs{margin:0 0 30px;font-size:12px;color:var(--muted)}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;line-height:1.7}.breadcrumbs li+li:before{content:"/";margin-right:8px;color:#a7b1bf}.breadcrumbs a:hover{color:var(--blue);text-decoration:underline}.editor-figure{margin:34px 0 42px}.editor-figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:6px}.editor-figure figcaption{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px}.format-facts{display:grid;grid-template-columns:1.4fr 1fr 1fr;border-block:1px solid var(--line);margin:20px 0}.format-facts>div{padding:18px 12px 18px 0}.format-facts dt{font-size:12px;color:var(--muted);margin-bottom:8px}.format-facts dd{font-size:14px;line-height:1.7;margin:0;overflow-wrap:anywhere}.article-contents{margin:30px 0;padding:22px 26px;background:var(--tint);border-left:3px solid var(--blue);font-size:14px}.article-contents strong{font-weight:600}.article-contents ol{padding-left:20px;margin:12px 0 0;line-height:2}.article-contents a:hover{text-decoration:underline;color:var(--blue)}.article-checklist{padding-left:22px;color:var(--muted);line-height:1.85;font-size:16px}.article-checklist li{padding-left:4px;margin:10px 0}.article-section p+p{margin-top:15px}.article-section[id]{scroll-margin-top:25px}.article-actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin:34px 0}.related-guides{border-top:1px solid var(--line);padding-top:28px}.contact-address{margin-top:14px}.article h1{overflow-wrap:break-word}
@media(max-width:760px){.format-facts{grid-template-columns:1fr}.format-facts>div{padding:12px 0}.format-facts>div+div{border-top:1px solid var(--line)}.editor-figure{margin:25px 0 30px}.article-contents{padding:18px 20px}.article-checklist{font-size:15px}.breadcrumbs{margin-bottom:24px}.hero h1{font-size:46px}}