:root{--paper:#faf9f6;--white:#fff;--ink:#242723;--muted:#6e746d;--line:#e4e6df;--green:#31563f;--yellow:#f5cc45;--accent:#b4473e;--soft:#f1f4ee;--radius:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.8}
a{color:inherit;text-underline-offset:4px}
button{font:inherit;color:inherit;cursor:pointer}
button,a,summary{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
p,h1,h2,ul,ol,figure{margin:0}
img{display:block;max-width:100%;height:auto}
button{touch-action:manipulation}
.skip-link{position:fixed;top:-80px;left:20px;z-index:30;background:var(--white);padding:12px}.skip-link:focus{top:10px}
.page-header{position:sticky;top:0;z-index:10;background:#faf9f6f5;border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-inner{max-width:1160px;margin:auto;display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:12px 28px;gap:12px}
.brand{display:flex;align-items:center;gap:11px;font-weight:750;font-size:19px;text-decoration:none;white-space:nowrap}
.header-label{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--muted)}
.preview-tag{border:1px solid var(--line);border-radius:5px;padding:2px 8px}
.page-container{width:min(1104px,calc(100% - 56px));margin:auto}
.intro{display:grid;grid-template-columns:1.22fr 1fr;align-items:center;gap:80px;padding:62px 0 44px}
.eyebrow,.small-label{font-size:11px;font-weight:650;letter-spacing:1.6px;color:var(--muted)}
.eyebrow{display:flex;align-items:center;gap:8px;margin-bottom:18px}.eyebrow>span{width:7px;height:7px;background:var(--green);border-radius:50%}
h1{font-size:clamp(38px,4.4vw,57px);font-weight:760;line-height:1.24;letter-spacing:-1.5px}
h1 span{color:var(--green)}
.intro-description{margin-top:19px;max-width:370px;font-size:15px;color:var(--muted)}
.start-link{display:inline-flex;align-items:center;gap:24px;background:var(--green);color:#fff;padding:11px 20px;border-radius:8px;font-size:14px;text-decoration:none;margin-top:23px}.start-link:hover{background:#234430}
.intro-note{background:#f0f2eb;border-radius:var(--radius);padding:26px 28px;border:1px solid #e1e5db}.intro-note h2{font-size:21px;margin:4px 0 20px}
.prepare-list{list-style:none;padding:0;display:grid;gap:20px}.prepare-list li{display:flex;align-items:flex-start;gap:14px}.prepare-list li>span{font-family:Georgia,serif;font-size:21px;color:#7e8c73;line-height:1.4}.prepare-list strong{font-size:14px}.prepare-list p{font-size:13px;color:var(--muted);margin-top:2px}
.intro-fine{border-top:1px solid #dce0d4;margin-top:23px;padding-top:14px;font-size:11px;color:var(--muted)}
.scope-note{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 9px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 18px;font-size:12px;margin-bottom:34px}.scope-note strong{color:var(--green)}.scope-note span{color:var(--muted)}
.download-section{padding:25px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:26px}.download-section h2{font-size:20px;margin:5px 0}.download-section>div>p:not(.small-label){font-size:12px;color:var(--muted)}.download-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}.download-option{display:flex;flex-direction:column;border:1px solid #dce3d6;border-radius:10px;padding:16px 18px;text-decoration:none;background:#f7f9f3}.download-option:hover{background:#edf2e8;border-color:#b8c8ab}.download-option>span{color:#79866e;font-size:11px}.download-option strong{color:var(--green);font-size:16px;font-weight:650;margin-top:4px}.download-option b{float:right;margin-left:8px;font-weight:400}.download-option small{font-size:11px;color:#7c8674;margin-top:5px}.download-note{font-size:11px;color:#7a7162;margin-top:15px;line-height:1.9}.download-note a{color:#695d45}.next-guide{display:inline-flex;margin-top:15px;font-size:13px;color:var(--green);font-weight:650;min-height:38px;align-items:center}.header-label a{text-decoration:none}
@media(max-width:600px){.download-section{padding:20px;margin-bottom:20px}.download-section h2{font-size:18px}.download-options{grid-template-columns:1fr;gap:10px;margin-top:16px}.download-option{padding:13px 15px}.download-option strong{font-size:15px}.download-note{font-size:10px}}
.guide-layout{display:grid;grid-template-columns:172px minmax(0,1fr);gap:38px;align-items:start}
.contents{position:sticky;top:104px;padding-top:14px}.contents nav{display:grid;gap:4px;margin-top:17px}.contents nav a{display:flex;gap:13px;align-items:center;font-size:13px;padding:11px 12px;border-radius:7px;text-decoration:none;color:var(--muted);border:1px solid transparent}.contents nav a>span:first-child{font-size:11px;font-variant-numeric:tabular-nums}.contents nav a[aria-current=step]{background:#eaf0e7;color:var(--green);font-weight:650}.contents nav a:hover{border-color:#cdd9c6}.contents-hint{font-size:11px;color:#7b8079;margin:26px 12px 0;line-height:2}
.steps{min-width:0}.step{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;background:#fff;padding:30px;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:22px;scroll-margin-top:14px;align-items:start}
.step-count{color:var(--green);font-size:29px;line-height:1.2;font-weight:650;letter-spacing:-1px}.step-count span{font-size:11px;color:#92998d;font-weight:400;letter-spacing:1px;margin-left:6px}
.step h2{font-size:24px;line-height:1.45;letter-spacing:-.5px;margin:14px 0 21px}.step-copy>p{font-size:14px;color:#5a6257;line-height:1.95;margin-top:12px}.step p strong{color:var(--ink);font-weight:650}
.action-path{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:12px}.action-path>span{padding:5px 11px;border:1px solid var(--line);border-radius:6px}.action-path b{color:#8c9787;font-weight:400}
.step-copy>.step-tip{font-size:11px;color:#7d8378;margin-top:21px;line-height:1.9}
.step-list{padding-left:21px;font-size:14px;color:#5a6257}.step-list li{padding-left:3px;margin-bottom:12px}.step-list strong{color:var(--ink);font-weight:650}.step-list li::marker{color:var(--green);font-weight:650}
.example-note{margin-top:24px;padding:17px;background:var(--soft);border-left:3px solid #c6d1ba;border-radius:0 8px 8px 0;font-size:12px}.example-note strong{color:#3e543a;font-size:12px}.example-note p{color:#656f60;margin-top:6px;line-height:1.9}
.important-note{display:flex;gap:10px;padding:16px;margin-top:22px;background:#fff8e3;border:1px solid #eedfac;border-radius:9px;font-size:12px}.important-note strong{font-size:13px;color:#705417}.important-note p{color:#796530;margin-top:7px;line-height:1.9}.important-note a{display:inline-block;font-size:11px;margin-top:8px;color:#735719}.note-symbol{display:flex;flex-shrink:0;align-items:center;justify-content:center;font-size:11px;font-weight:750;border:1.5px solid currentColor;width:17px;height:17px;border-radius:50%;line-height:1;margin-top:3px;color:#8b6f23}.important-note.critical{background:#fcf1ed;border-color:#ead2c9}.critical strong,.critical .note-symbol{color:#994b36}.critical p{color:#875f50}
figure{min-width:0}.screenshot{display:block;padding:0;border:1px solid #e4e5e2;border-radius:13px;overflow:hidden;background:white;width:100%;box-shadow:0 5px 14px #18201308;cursor:zoom-in}.screenshot img{width:100%;height:auto}.screenshot:hover{border-color:#90a87e;box-shadow:0 5px 16px #18201310}.screenshot:focus-visible{outline-offset:5px}figcaption{color:#858b81;font-size:10px;text-align:center;margin-top:10px;line-height:1.6}
.flow-diagram{border:1px solid #dfe5d9;border-radius:13px;padding:22px 18px;background:linear-gradient(155deg,#f2f5ec,#fff);font-size:12px}.diagram-label{display:block;font-size:10px;font-weight:600;letter-spacing:1px;color:#7a8670;border-bottom:1px solid #dde4d5;padding-bottom:13px}.flow-diagram h3{font-size:20px;line-height:1.5;margin:21px 0 28px;color:var(--green)}.flow-node{display:flex;gap:11px;align-items:flex-start;background:#fff;border:1px solid #e1e7da;border-radius:8px;padding:15px 11px}.node-number{display:grid;place-items:center;background:#e7eddf;border-radius:50%;width:22px;height:22px;color:var(--green);font-size:11px;flex:none;margin-top:2px}.flow-node strong{font-size:12px}.flow-node p{font-size:10px;color:#7c8475;margin-top:3px}.flow-arrow{display:block;color:#a0ad93;text-align:center;margin:8px 0;font-size:19px;line-height:1.1}.diagram-action{font-size:12px;text-align:center;padding:13px 4px;background:var(--yellow);border-radius:7px;margin-top:12px;font-weight:650}.diagram-footnote{font-size:10px;text-align:center;color:#89907f;margin-top:25px;line-height:1.8}.waiting-symbol{display:grid;place-items:center;width:62px;height:62px;background:#fbecc0;color:#967a25;font-size:40px;line-height:1;border-radius:50%;margin:28px auto 18px}.waiting-diagram h3{text-align:center;font-size:18px;margin:0 0 12px}.diagram-description{text-align:center;color:#7b8671;font-size:11px;margin-bottom:28px}.status-line{display:flex;gap:13px;position:relative;padding:0 0 27px 5px}.status-line:not(:last-of-type)::before{content:"";position:absolute;left:9px;top:16px;width:1px;height:calc(100% - 12px);background:#d5ddca}.status-dot{width:9px;height:9px;background:#c5d1b6;border-radius:50%;flex:none;margin-top:7px}.finish-dot{background:var(--green)}.status-line strong{font-size:12px}.status-line p{font-size:10px;color:#87917d;margin-top:3px}.waiting-diagram .diagram-footnote{margin-top:0}
.finish{background:#eaf0e6;border:1px solid #d8e1d2;border-radius:var(--radius);padding:27px 28px;display:flex;align-items:flex-start;gap:17px;margin-top:30px}.finish-symbol{display:grid;place-items:center;border-radius:50%;flex:none;width:36px;height:36px;background:#d5e4cc;color:var(--green);font-size:20px;margin-top:5px}.finish .small-label{color:#687b5e}.finish h2{font-size:20px;line-height:1.5;margin:4px 0 9px;color:#30462a}.finish p:last-child{font-size:13px;color:#63765a}
.questions{margin:34px 0 0}.questions h2{font-size:17px;margin-bottom:12px}.questions details{border-bottom:1px solid var(--line);padding:0 1px}.questions summary{font-size:13px;padding:16px 20px 16px 0;cursor:pointer;line-height:1.8}.questions details p{font-size:12px;color:var(--muted);padding:0 0 18px}.questions details[open] summary{font-weight:650;color:var(--green)}
.page-footer{border-top:1px solid var(--line);padding:30px 0;margin-top:52px;font-size:12px;color:#7b8175;position:relative}.page-footer>div{max-width:700px}.page-footer strong{color:#565e50;font-size:13px}.page-footer p{margin-top:9px;font-size:11px;line-height:1.9}.sources{margin-top:17px;max-width:800px}.sources summary{font-size:11px;cursor:pointer;width:fit-content;padding:5px 0}.sources ul{padding-left:18px;margin:10px 0;font-size:11px}.sources li{margin:5px 0}.back-top{position:absolute;right:0;top:31px;color:var(--green);font-size:12px;text-decoration:none}
#image-viewer{padding:0;border:1px solid #dce1d7;border-radius:16px;width:min(1040px,calc(100% - 32px));height:calc(100dvh - 40px);max-height:1100px;background:#f5f6f2;color:var(--ink);overflow:hidden}#image-viewer::backdrop{background:#1c211cca;backdrop-filter:blur(5px)}.viewer-shell{display:flex;flex-direction:column;height:100%}.viewer-header{flex:none;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 18px;background:#fff;border-bottom:1px solid var(--line)}.viewer-header h2{font-size:15px}.viewer-controls{display:flex;align-items:center;gap:8px;flex:none}.viewer-controls button{min-height:40px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:4px 13px;font-size:12px}#viewer-close{width:40px;font-size:25px;line-height:1;padding:0}.viewer-body{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:20px}.viewer-body img{display:block;width:min(100%,480px);max-width:none;height:auto;margin:0 auto}.viewer-body.is-zoomed img{width:1080px;margin:0 auto;max-width:none}.viewer-help{font-size:11px;text-align:center;flex:none;padding:9px 12px;border-top:1px solid var(--line);background:#fff;color:var(--muted)}body.viewer-open{overflow:hidden}
@media(min-width:1300px){.step{grid-template-columns:minmax(0,1fr) 302px;gap:38px;padding:34px}}
@media(max-width:1000px){.intro{gap:34px}.guide-layout{grid-template-columns:132px minmax(0,1fr);gap:24px}.step{grid-template-columns:minmax(0,1fr) 240px;gap:23px;padding:24px}.step h2{font-size:22px}.contents nav a{padding:10px 7px;gap:9px}.step-copy>p,.step-list{font-size:13px}.intro-note{padding:23px}.important-note{padding:12px;gap:7px}}
@media(max-width:800px){.page-container{width:calc(100% - 40px)}.header-inner{padding-inline:20px}.intro{padding:36px 0;gap:28px}.intro-note{padding:21px}.intro-note h2{font-size:18px}.intro-description{font-size:13px}.guide-layout{display:block}.contents{position:static;padding:0 0 25px}.contents nav{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:10px}.contents nav a{border:1px solid var(--line);background:#fff;padding:10px 12px}.contents-hint{display:none}.step{grid-template-columns:minmax(0,1fr) 260px;gap:30px;padding:26px}.step h2{font-size:24px}.step-copy>p,.step-list{font-size:14px}.scope-note{margin-bottom:24px}.back-top{position:static;display:inline-block;margin-top:18px}}
@media(max-width:600px){html{scroll-padding-top:75px}.header-inner{min-height:60px;padding:10px 16px}.brand{font-size:16px;gap:8px}.brand img{width:26px;height:26px}.header-label{font-size:10px;gap:7px}.preview-tag{padding:1px 5px;font-size:9px}.page-container{width:calc(100% - 32px)}.intro{display:block;padding:29px 2px 25px}.eyebrow{font-size:10px;letter-spacing:1.1px;margin-bottom:13px}h1{font-size:39px;line-height:1.22}.intro-description{font-size:13px;max-width:290px;margin-top:16px}.start-link{font-size:13px;padding:9px 17px;margin-top:19px}.intro-note{margin-top:25px;padding:19px 20px;border-radius:13px}.intro-note h2{margin-bottom:15px}.prepare-list{gap:13px}.prepare-list p{font-size:12px}.intro-fine{padding-top:11px;margin-top:15px}.scope-note{font-size:11px;padding:12px 14px;display:block;margin-bottom:22px}.scope-note>span{display:block;margin-top:3px}.contents nav{gap:6px}.contents nav a{padding:9px 7px;gap:5px;justify-content:center;font-size:11px}.contents nav a>span:first-child{font-size:10px}.contents .small-label{font-size:10px}.step{display:block;padding:22px 20px 20px;border-radius:15px;margin-bottom:16px}.step-count{font-size:26px}.step h2{font-size:23px;margin:11px 0 16px}.step h2 br{display:none}.step-copy>p{font-size:13px;margin-top:9px}.step-list{font-size:13px}.step-list li{margin-bottom:9px}.step figure{max-width:305px;margin:23px auto 0}.action-path{margin-top:16px}.step-copy>.step-tip{font-size:11px;margin-top:15px}.example-note,.important-note{margin-top:18px}.important-note{padding:14px;gap:9px}.finish{margin-top:23px;padding:21px 19px;gap:13px;border-radius:14px}.finish h2{font-size:18px}.finish p:last-child{font-size:12px}.finish-symbol{width:28px;height:28px;font-size:17px}.finish .small-label{font-size:10px}.questions{margin-top:28px}.questions h2{font-size:16px}.questions summary{font-size:12px}.page-footer{margin-top:34px;padding-top:24px}.page-footer p{font-size:10px}#image-viewer{width:calc(100% - 12px);height:calc(100dvh - 16px);max-height:calc(100dvh - 16px);border-radius:10px}.viewer-header{padding:8px 10px}.viewer-header h2{font-size:13px}.viewer-controls{gap:5px}.viewer-controls button{min-height:38px;padding:4px 10px;font-size:11px}#viewer-close{width:36px}.viewer-body{padding:8px}.viewer-help{font-size:10px;padding:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.page-header,.contents,.start-link,.back-top,figcaption,.questions,#image-viewer,.skip-link{display:none!important}.page-container{width:100%}.intro{padding:0 0 20px}.guide-layout{display:block}.step{break-inside:avoid;grid-template-columns:1fr 220px}.screenshot{box-shadow:none}.page-footer{margin-top:20px}body{background:#fff}}