.guide-content{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#24354a;background:#fff;font-synthesis:none;line-height:1.75;scroll-behavior:smooth;--blue:#2461b9;--muted:#718094;--line:#e3e8ef}.guide-content *{box-sizing:border-box}.guide-content{margin:0}.guide-content a{color:var(--blue);text-decoration:none}.guide-content a:hover{text-decoration:underline}.guide-content button,.guide-content summary{font:inherit}.guide-content button,.guide-content a,.guide-content summary{touch-action:manipulation}.guide-content button:focus-visible,.guide-content a:focus-visible,.guide-content summary:focus-visible{outline:3px solid #6b9eed;outline-offset:4px}.guide-content .skip{position:fixed;left:16px;top:-70px;background:#fff;padding:8px;z-index:50}.guide-content .skip:focus{top:8px}.guide-content .preview-bar{background:#f3f6fa;padding:7px max(28px,calc((100vw - 1256px)/2));display:flex;justify-content:space-between;font-size:12px;color:#62758a;border-bottom:1px solid var(--line);gap:16px}.guide-content .preview-bar>span{letter-spacing:.08em}.guide-content .site-header{max-width:1312px;margin:auto;padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line)}.guide-content .brand{font-weight:750;color:#24354a;display:flex;align-items:center;gap:10px;font-size:18px;white-space:nowrap}.guide-content .brand img{object-fit:contain}.guide-content .site-header nav{display:flex;gap:27px;font-size:14px}.guide-content .site-header nav a{color:#405065;white-space:nowrap}.guide-content .site-header nav .selected{color:var(--blue);font-weight:700}.guide-content .page{max-width:1256px;margin:44px auto 0;padding:0 28px;display:grid;grid-template-columns:225px minmax(0,1fr);gap:55px}.guide-content aside{min-width:0}.guide-content .directory{position:sticky;top:22px}.guide-content .directory>summary{font-size:15px;font-weight:700;list-style:none;margin:0 0 13px}.guide-content .directory nav{max-height:calc(100vh - 90px);overflow:auto;padding-right:8px;scrollbar-width:thin;scrollbar-color:#d1d9e4 transparent}.guide-content .nav-group{margin:0 0 18px}.guide-content .nav-group h3{font-size:13px;font-weight:700;line-height:1.5;margin:0 0 7px;color:#4c5b70}.guide-content .nav-group a{display:flex;gap:9px;font-size:12px;line-height:1.65;color:#66768b;padding:6px 9px;margin-left:-9px;border-radius:5px}.guide-content .nav-group a span{font-variant-numeric:tabular-nums;color:#99a4b2;flex:0 0 24px}.guide-content .nav-group a[aria-current]{background:#edf3fe;color:#225bac;font-weight:700}.guide-content .nav-group a[aria-current] span{color:#225bac}.guide-content main{min-width:0;max-width:872px}.guide-content .breadcrumb{display:flex;gap:10px;color:#8b95a4;font-size:13px}.guide-content .breadcrumb a{color:#7e8b9c}.guide-content h1{font-size:38px;line-height:1.25;letter-spacing:-.04em;margin:20px 0 13px;color:#21354f;font-weight:750}.guide-content .intro{font-size:19px;color:#65758a;margin:0 0 24px}.guide-content .preparation{font-size:14px;line-height:1.8;color:#65758a;padding:15px 0 18px;border-bottom:1px solid var(--line);margin:0}.guide-content .preparation strong{color:#34465d;margin-right:10px}.guide-content .section-links{display:flex;gap:30px;font-size:14px;padding:17px 0 20px}.guide-content .section-links a{font-weight:650;display:flex;gap:15px}.guide-content .section-links span{font-weight:400;color:#8a9bb1}.guide-content section{scroll-margin-top:24px}.guide-content h2{font-size:22px;line-height:1.4;margin:29px 0 26px;color:#21354f}.guide-content .step{margin:0 0 49px}.guide-content .step h3{font-size:22px;line-height:1.55;margin:0 0 13px;font-weight:650;color:#263c55;display:flex;gap:13px;align-items:baseline}.guide-content .step h3>span{font-size:16px;color:var(--blue);font-weight:650;letter-spacing:.02em}.guide-content .step p{font-size:16px;line-height:1.85;margin:0 0 19px}.guide-content .step strong{font-weight:650;color:#243f60}.guide-content figure{margin:23px 0 16px}.guide-content .photo{position:relative;display:block;width:100%;padding:0;border:1px solid #dce4ed;border-radius:8px;background:#f5f7fa;overflow:hidden;cursor:zoom-in;text-align:left;line-height:0}.guide-content .photo img{display:block;width:100%;height:auto;aspect-ratio:1280/525;object-fit:cover;object-position:center top}.guide-content .zoom{position:absolute;right:10px;bottom:10px;background:#fffdfc;box-shadow:0 1px 8px #24354a13;border:1px solid #e4e9ef;border-radius:5px;padding:6px 10px;font-size:11px;color:#5c7190;line-height:1.4}.guide-content figcaption{font-size:12px;color:#7a8797;margin-top:8px;line-height:1.7}.guide-content .step p.result{font-size:14px;color:#65758a;line-height:1.8}.guide-content .result strong{font-weight:600;margin-right:7px}.guide-content .step p.tip{border-left:2px solid #90b3e9;padding:3px 0 3px 14px;font-size:14px;line-height:1.8;color:#5a6f89}.guide-content code{font-family:inherit;color:#354e6d}.guide-content .video-section{border-top:1px solid var(--line);padding-top:15px;margin:10px 0 45px}.guide-content .video-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.guide-content .video-heading h2{margin:16px 0}.guide-content .video-heading span{color:#8190a2;font-size:12px}.guide-content .video-section>p{font-size:15px;color:#63758a;margin:0 0 20px}.guide-content video{display:block;width:100%;aspect-ratio:16/9;background:#f2f5f8;border-radius:8px;border:1px solid var(--line)}.guide-content .chapters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:13px 0}.guide-content .chapters button{display:flex;gap:8px;text-align:left;font-size:12px;line-height:1.6;background:#f7f9fc;color:#52677f;border:1px solid #edf0f5;border-radius:5px;padding:9px;cursor:pointer}.guide-content .chapters button:hover{background:#edf3fe;color:var(--blue)}.guide-content .chapters time{color:#2e65ae;font-variant-numeric:tabular-nums}.guide-content .video-section>p.media-note{font-size:11px;color:#92a0b0;margin:12px 0}.guide-content .adjacent{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding:24px 0 38px}.guide-content .adjacent>a{display:flex;flex-direction:column;font-size:14px;line-height:1.8}.guide-content .adjacent a:last-child{text-align:right}.guide-content .adjacent small{display:block;font-size:11px;color:#91a0b2}.guide-content .adjacent span{display:none}.guide-content footer{max-width:1200px;margin:auto;border-top:1px solid var(--line);padding:22px 28px;display:flex;gap:20px;font-size:12px;color:#8b97a8}.guide-content footer>a{margin-left:auto;color:#7c899c}.guide-content dialog{width:96vw;max-width:1480px;max-height:94vh;padding:45px 12px 12px;border:1px solid #e1e7ef;border-radius:10px;background:#fff;overflow:auto}.guide-content dialog::backdrop{background:#142337ba}.guide-content dialog img{display:block;width:100%;height:auto}.guide-content .close{position:absolute;right:14px;top:9px;border:0;background:transparent;color:#496179;cursor:pointer;font-size:14px}
@media(max-width:950px){.guide-content .page{gap:30px;grid-template-columns:195px minmax(0,1fr);padding:0 22px}.guide-content .site-header nav{gap:15px}.guide-content .site-header{padding:20px 22px}.guide-content h1{font-size:34px}.guide-content .intro{font-size:17px}}
@media(max-width:760px){.guide-content .preview-bar{padding:7px 20px;font-size:11px}.guide-content .site-header{padding:18px 20px;flex-wrap:wrap;gap:12px}.guide-content .brand{font-size:17px}.guide-content .brand img{width:29px;height:29px}.guide-content .site-header nav{width:100%;gap:0;justify-content:space-between;font-size:12px}.guide-content .page{display:block;margin-top:19px;padding:0 20px}.guide-content .directory{position:static;border-bottom:1px solid var(--line);margin-bottom:24px;padding-bottom:11px}.guide-content .directory>summary{display:flex;justify-content:space-between;font-size:13px;cursor:pointer;margin:0}.guide-content .directory>summary:after{content:'＋';color:#7190b8}.guide-content .directory[open]>summary:after{content:'−'}.guide-content .directory nav{max-height:55vh;margin-top:15px}.guide-content .nav-group a{font-size:13px}.guide-content .breadcrumb{font-size:11px;gap:7px}.guide-content h1{font-size:31px;margin:17px 0 12px}.guide-content .intro{font-size:16px;margin-bottom:19px}.guide-content .preparation{font-size:13px;padding-bottom:14px}.guide-content .section-links{padding:16px 0 12px;gap:27px}.guide-content .step{margin-bottom:36px}.guide-content .step h3{font-size:19px;gap:11px}.guide-content .step p{font-size:15px}.guide-content .step p.result,.guide-content .step p.tip{font-size:13px}.guide-content h2{font-size:21px;margin:23px 0}.guide-content .photo img{aspect-ratio:1280/580}.guide-content .zoom{font-size:10px;padding:4px 7px;bottom:6px;right:6px}.guide-content figcaption{font-size:11px}.guide-content .chapters{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-content .chapters button{font-size:11px}.guide-content .adjacent a{font-size:12px}.guide-content .video-heading span{font-size:11px}.guide-content footer{padding:20px;font-size:11px;gap:12px}.guide-content dialog{padding:42px 0 8px;width:100vw;max-width:100vw}.guide-content dialog img{min-width:900px}.guide-content .photo{border-radius:6px}}
@media(prefers-reduced-motion:reduce){.guide-content{scroll-behavior:auto}}

.guide-content .photo img{aspect-ratio:auto;object-fit:contain}.guide-content .catalogue-group{border-top:1px solid var(--line);padding:16px 0}.guide-content .catalogue-group h2{margin:8px 0 12px;font-size:20px}.guide-content .catalogue-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 20px}.guide-content .catalogue-list a{padding:8px 0;font-size:15px}.guide-content .catalogue-list span{color:var(--muted);font-size:12px;margin-right:8px}.guide-content .guide-search{width:100%;padding:12px 14px;font:inherit;border:1px solid #ccd7e5;border-radius:7px;margin:4px 0 24px}.guide-content .related-links{display:flex;gap:18px;flex-wrap:wrap;margin:18px 0;font-size:14px}.guide-content .media-note{line-height:1.7}.guide-content .video-status{font-size:13px;color:var(--muted)}.guide-content .catalogue-group[hidden],.guide-content .catalogue-list a[hidden]{display:none} @media(max-width:760px){.guide-content .catalogue-list{grid-template-columns:1fr}.guide-content .photo img{aspect-ratio:auto}.guide-content .chapters{grid-template-columns:1fr}}
.guide-content .directory{top:calc(var(--header-offset) + 18px)}.guide-content .directory nav{max-height:calc(100vh - var(--header-offset) - 60px)}.guide-content section{scroll-margin-top:calc(var(--header-offset) + 24px)}@media(max-width:760px){.guide-content .directory nav{max-height:55vh}}