*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FAF9F6;color:#414255;font:16px/1.78 system-ui,-apple-system,"Microsoft Yahei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}a:hover{color:#6756C8}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #D65D69;outline-offset:3px}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{color:#25243A;line-height:1.35}h1{font-size:clamp(26px,3vw,36px)}h2{font-size:clamp(21px,2.4vw,27px)}h3{font-size:19px}p{margin-bottom:18px}.site-head{background:#fff;border-bottom:1px solid #E6E4EB}.head-inner,.shortcuts-inner,.page-wrap,.footer-inner{width:min(1120px,calc(100% - 64px));margin:auto}.head-inner{height:72px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;color:#25243A;line-height:1.2}.brand-text small{display:block;font-size:10px;letter-spacing:.09em;color:#66687B;margin-top:4px}.logo-frame{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;background:#fff;border:1px solid #dedde6;border-radius:10px;padding:8px;box-shadow:0 2px 8px #25243A0d;min-width:48px;min-height:48px}.logo-frame img{display:block;max-width:110px;max-height:34px;width:auto;height:auto;object-fit:contain;object-position:center}.logo-letters{font-size:15px;color:#6756C8}.desktop-nav{display:flex;gap:18px;align-items:center;justify-content:center;flex:1;white-space:nowrap;font-size:14px}.desktop-nav a[aria-current=page]{color:#6756C8;text-decoration:underline;text-underline-offset:7px}.head-actions{display:flex;align-items:center;gap:6px;white-space:nowrap}.plain-btn{border:0;background:transparent;color:#25243A;padding:10px 12px;min-height:44px;border-radius:8px}.plain-btn:hover{background:#F2EFFB}.desktop-app{font-size:14px;color:#6756C8;font-weight:600}.mobile-menu-btn{display:none}.shortcuts{border-top:1px solid #f0eef3}.shortcuts-inner{min-height:40px;display:flex;align-items:center;gap:30px;font-size:13px;color:#66687B}.page-wrap{padding-top:34px;padding-bottom:60px}.crumb{font-size:13px;color:#66687B;margin-bottom:24px}.page-heading{max-width:760px;margin-bottom:28px}.page-heading>p:last-child{font-size:17px}.subheading{font-size:21px;font-weight:500;color:#6756C8}.eyebrow{color:#6756C8;font-size:12px;letter-spacing:.13em;font-weight:800;margin-bottom:12px}.picture{margin:0;display:flex;align-items:center;justify-content:center;min-width:0;width:100%;padding:12px;border:1px solid #E6E4EB;background:#F2EFFB;border-radius:16px}.picture img{display:block;max-width:100%;width:auto;height:auto;object-fit:contain;object-position:center}.picture.article{max-width:760px;margin-bottom:32px;background:#EAF6F4}.picture.article img{max-height:300px}.picture.section img{max-height:260px}.picture.banner img{max-height:320px}.picture.app img{max-height:300px}.editor-section{display:grid;grid-template-columns:94px minmax(0,760px);gap:22px;padding:25px 0;border-top:1px solid #E6E4EB}.editor-section h2{margin-bottom:14px}.editor-section p{font-size:16px;line-height:1.84}.part-index{color:#6756C8;font-size:12px;letter-spacing:.1em;font-weight:700;padding-top:7px}.related{margin-top:42px;padding:25px;background:#EAF6F4;border-radius:16px}.related h2{font-size:20px}.related-links{display:flex;gap:12px;flex-wrap:wrap}.related-links a,.text-link{color:#6756C8;font-weight:700}.related-links a{background:#fff;border-radius:8px;padding:8px 14px}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-grid .editor-section{display:block;padding:22px;background:#fff;border:1px solid #E6E4EB;border-radius:16px}.topic-grid .part-index{padding:0;margin-bottom:9px}.steps{border-left:2px solid #6756C8;padding-left:22px}.archive-table .editor-section{grid-template-columns:120px minmax(0,1fr)}.faq-list{max-width:850px}.faq-item{background:#fff;border:1px solid #E6E4EB;border-radius:14px;padding:20px 24px;margin-bottom:12px}.faq-item h2{font-size:19px}.faq-item p{margin-bottom:0}.hero{background:#F2EFFB;border-radius:18px;padding:32px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:28px;align-items:center}.hero h1{margin-bottom:18px}.hero .picture{background:#fff}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.primary,.secondary{display:inline-block;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:700}.primary{color:#fff;background:#6756C8}.primary:hover{color:#fff;background:#5141a8}.secondary{background:#fff;border:1px solid #bbb4df;color:#5141a8}.home-section{margin-top:60px}.section-head{margin-bottom:20px}.grid{display:grid;gap:18px}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.feature-card{min-width:0;background:#fff;border:1px solid #E6E4EB;border-radius:14px;padding:22px}.card h3{margin-bottom:14px}.card p{font-size:15px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center}.split>.picture{align-self:center}.tint-lilac,.tint-mint,.tint-peach{padding:28px;border-radius:18px}.tint-lilac{background:#F2EFFB}.tint-mint{background:#EAF6F4}.tint-peach{background:#FFF1E4}.mini-points{display:grid;gap:11px;margin:18px 0}.mini-points>div{background:#ffffffc9;border:1px solid #E6E4EB;border-radius:10px;padding:12px 14px}.mini-points strong{display:block;color:#25243A}.mini-points span{font-size:14px}.tags article{padding:16px;border-radius:12px;background:#fff}.tags h3{font-size:17px;margin-bottom:7px}.tags p{font-size:14px;margin-bottom:0}.feature-card .picture{margin-bottom:18px}.app-heading{display:flex;align-items:center;gap:12px}.app-heading img{max-width:64px;max-height:64px;width:auto;height:auto;object-fit:contain}.app-heading h2{margin:0}.home-end{margin-top:28px;color:#66687B}.home-end a{margin-left:14px}.site-footer{background:#25243A;color:#f4f2ff;padding:42px 0 24px}.footer-brand{display:flex;gap:14px;align-items:center;margin-bottom:28px}.footer-brand p{font-size:13px;margin:4px 0;color:#d3d1e0}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-groups h2{font-size:15px;color:#fff;margin-bottom:12px}.footer-groups a{display:block;font-size:13px;color:#d3d1e0;margin:7px 0}.footer-groups a:hover{color:#fff;text-decoration:underline}.copyright{border-top:1px solid #5d5b70;margin-top:30px;padding-top:15px;color:#d3d1e0;font-size:12px}.bottom-nav{display:none}.overlay[hidden]{display:none!important}.overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-start;justify-content:center;padding:50px 16px}.overlay-backdrop{position:absolute;inset:0;background:#25243a85}.search-sheet,.menu-sheet{position:relative;z-index:1;max-height:calc(100dvh - 70px);overflow-y:auto;width:min(600px,100%);padding:20px;background:#fff;border-radius:16px;box-shadow:0 20px 50px #25243a3b}.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.search-sheet label{display:block;font-size:14px;margin-bottom:7px}.search-sheet input{border:1px solid #aaa4c2;border-radius:9px;padding:10px 12px;min-height:44px;width:100%}.search-results{margin-top:14px}.search-result{display:block;padding:12px;border-bottom:1px solid #E6E4EB}.search-result strong{display:block;color:#25243A}.search-result small{font-size:13px;color:#66687B}.menu-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.menu-groups h2{font-size:16px}.menu-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.menu-links a{font-size:14px;padding:7px 0}.no-scroll{overflow:hidden}@media(max-width:1024px){.head-inner,.shortcuts-inner,.page-wrap,.footer-inner{width:calc(100% - 48px)}.desktop-nav{gap:10px;font-size:13px}.head-inner{gap:13px}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){body{font-size:15px}.head-inner,.shortcuts-inner,.page-wrap,.footer-inner{width:calc(100% - 36px)}.head-inner{height:58px;gap:8px}.logo-frame{padding:6px;min-height:42px;min-width:42px}.logo-frame img{max-height:30px;max-width:85px}.brand-text{font-size:14px}.brand-text small{font-size:9px}.desktop-nav,.desktop-app,.shortcuts{display:none}.mobile-menu-btn{display:inline-block}.head-actions{margin-left:auto}.plain-btn{padding:9px;min-width:44px}.page-wrap{padding-top:22px;padding-bottom:106px}.hero,.split{grid-template-columns:1fr}.hero{padding:20px}.home-section{margin-top:40px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;z-index:100;bottom:0;left:0;right:0;min-height:58px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid #E6E4EB}.bottom-nav a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:56px;color:#25243A}.site-footer{padding-bottom:calc(90px + env(safe-area-inset-bottom))}.picture.banner img{max-height:240px}.picture.section img{max-height:210px}.editor-section{grid-template-columns:55px minmax(0,1fr);gap:12px}.topic-grid{grid-template-columns:1fr}}@media(max-width:480px){.head-inner,.page-wrap,.footer-inner{width:calc(100% - 32px)}.brand{gap:6px}.brand-text small{display:none}.brand-text{font-size:13px}.logo-frame img{max-width:76px}.head-actions{gap:0}.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.tint-lilac,.tint-mint,.tint-peach{padding:17px}.card,.feature-card{padding:17px}.footer-groups{gap:12px}.menu-groups{grid-template-columns:1fr}.overlay{padding:58px 0 0}.menu-sheet{width:100%;border-radius:0 0 16px 16px;max-height:calc(100dvh - 65px)}.search-sheet{width:calc(100% - 24px)}.editor-section{grid-template-columns:1fr;gap:4px}.page-heading>p:last-child{font-size:15px}}