:root{--csstools-color-scheme--light: initial;color-scheme:light;--paper: #f6f8f7;--surface: #fff;--ink: #15261e;--muted: #56675e;--line: #dee5e0;--accent: #176849;--soft: #e7f0ea;--panel: #eef2ef;--action: #142c21;--action-ink: #fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.75 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:5px}img{display:block;max-width:100%}svg{display:block}h1,h2,p,figure{margin:0}.wrap{width:calc(100% - 72px);max-width:1080px;margin:0 auto}.site-header{min-height:92px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;white-space:nowrap}.brand img{border-radius:8px}.header-divider{width:1px;height:17px;background:var(--line);margin:0 5px}.header-label{font-size:12px;font-weight:400;color:var(--muted)}.home-link{font-size:13px;padding:11px 0 11px 12px;white-space:nowrap}.home-link span{margin-left:10px}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:center;padding:56px 0 44px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--accent);font-weight:650;font-size:12px;letter-spacing:.12em}.eyebrow>span{width:7px;height:7px;background:var(--accent);border-radius:50%}h1{margin-top:15px;font-size:max(34px,min(4.5vw,54px));line-height:1.25;letter-spacing:-.05em;font-weight:750}.hero-description{margin-top:20px;font-size:16px;color:var(--muted);line-height:1.8}.before-start{display:flex;gap:17px;padding:27px;border:1px solid var(--line);border-radius:18px;background:var(--soft)}.before-icon{flex-shrink:0;width:34px;height:38px;color:var(--accent)}.before-icon svg{width:32px;height:32px}.before-start h2{font-size:16px;margin-bottom:6px}.before-start p{font-size:13px;color:var(--muted)}.before-start a{display:inline-block;margin-top:14px;padding:4px 0;font-size:12px;font-weight:650;text-decoration:underline;text-underline-offset:4px}.step-nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:26px}.step-nav a{display:inline-flex;align-items:center;gap:11px;min-height:44px;font-size:13px;font-weight:650}.step-nav a span{display:grid;place-items:center;width:27px;height:27px;border:1px solid var(--line);border-radius:50%;color:var(--accent);font-size:12px}.step-nav a:hover span{color:var(--surface);background:var(--accent);border-color:var(--accent)}.step-nav i{color:var(--muted);font-style:normal;opacity:.5}.steps-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.guide-step{min-width:0;padding:30px 30px 24px;border:1px solid var(--line);border-radius:22px;background:var(--surface);scroll-margin-top:22px}.step-heading{display:flex;align-items:center;gap:13px;margin-bottom:15px}.step-number{font-size:14px;line-height:34px;width:38px;text-align:center;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;border-radius:9px;background:var(--soft);color:var(--accent)}.step-location{color:var(--muted);font-size:11px;letter-spacing:.04em}.guide-step h2{font-size:24px;line-height:1.4;letter-spacing:-.035em;font-weight:700}.step-description{margin-top:11px;min-height:54px;font-size:14px;color:var(--muted)}strong{color:var(--ink);font-weight:650}.step-figure{margin-top:23px}.illustration-panel{display:flex;align-items:center;justify-content:center;min-height:408px;padding:22px 14px;background:var(--panel);border-radius:14px;overflow:hidden}.shot{width:100%;max-width:310px;position:relative;overflow:hidden;border-radius:28px 28px 10px 10px;background:#f7f6fa;box-shadow:0 8px 24px #1d2e231a}.shot:before{content:"";display:block}.shot>img{position:absolute;top:0;left:0;width:100%;height:auto}.shot-one:before{padding-top:123.1979%}.shot-two:before{padding-top:100.3963%}.shot-three:before{padding-top:86.692%}.shot-four{max-width:275px;border-radius:16px}.shot-four:before{padding-top:171.2821%}.shot-four>img{top:-12.1%}.shot-annotation{position:absolute;width:100%;height:100%;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:visible}.target-ring{fill:none;stroke:#ed573e;stroke-width:6;filter:drop-shadow(0 1px 1px #fff)}.arrow-line{fill:none;stroke:#ed573e;stroke-width:8;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 1px #fff)}.shot-four .shot-annotation{height:126.35%;top:-12.1%}.shot-four .target-ring{stroke-width:2.5}.shot-four .arrow-line{stroke-width:3.5}.image-label{position:absolute;background:#fff;color:#a83321;font-size:11px;font-weight:700;line-height:1.35;padding:6px 9px;border:1px solid #f2b2a6;border-radius:8px;box-shadow:0 2px 10px #4d1e1314}.label-one{left:36%;top:60%}.label-two{left:37%;top:61%}.label-three{left:39%;top:26%}.example-code{position:absolute;display:flex;align-items:center;left:11.5%;top:58%;width:51.5%;height:9%;background:#f5f4f7;color:#5d5969;font-size:14px;font-weight:650;letter-spacing:.05em}figcaption{color:var(--muted);margin-top:14px;font-size:12px;line-height:1.7}figcaption>span{color:var(--accent);margin-right:4px}.caption-dot{display:inline-block;width:5px;height:5px;background:var(--accent);border-radius:50%;vertical-align:2px}.step-note{margin-top:19px;padding:13px 15px;color:var(--muted);font-size:12px;border-left:2px solid var(--line)}.help-section{display:grid;grid-template-columns:1fr 1.8fr;gap:70px;margin:54px 0 40px}.help-section h2{margin-top:12px;font-size:25px;letter-spacing:-.035em;line-height:1.5}.questions details{border-bottom:1px solid var(--line)}.questions details:first-child{border-top:1px solid var(--line)}.questions summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;min-height:65px;font-size:14px;font-weight:600}.questions summary::-webkit-details-marker{display:none}.questions summary span{font-size:22px;color:var(--muted);font-weight:400}.questions details[open] summary span{transform:rotate(45deg)}.questions details p{font-size:13px;color:var(--muted);padding-bottom:20px;max-width:530px}.finish{display:flex;align-items:center;justify-content:space-between;gap:26px;border-radius:16px;padding:27px;background:var(--soft)}.finish>div{display:flex;gap:16px;align-items:center}.finish-check{display:grid;place-items:center;flex-shrink:0;border-radius:50%;width:34px;height:34px;color:var(--accent);border:1px solid var(--accent);font-size:18px}.finish h2{font-size:17px}.finish p{font-size:12px;color:var(--muted);margin-top:4px}.primary-link{display:inline-flex;justify-content:space-between;align-items:center;gap:20px;flex-shrink:0;padding:12px 20px;min-height:48px;border-radius:10px;color:var(--action-ink);background:var(--action);font-weight:600;font-size:13px}.primary-link:hover{opacity:.85}.site-footer{display:flex;justify-content:space-between;gap:20px;padding:30px 0;margin-top:16px;color:var(--muted);font-size:11px}.skip-link{position:absolute;top:-100px;left:16px;z-index:2;padding:10px 18px;background:var(--surface)}.skip-link:focus{top:10px}[data-theme=dark]{--csstools-color-scheme--light: ;color-scheme:dark;--paper: #171c19;--surface: #1e2621;--ink: #edf3ee;--muted: #b5c3b9;--line: #35453a;--accent: #a2d6b5;--soft: #263b2d;--panel: #303d34;--action: #d7eddd;--action-ink: #1b2b20}@media(prefers-color-scheme:dark){:root:not([data-theme=light]):not([data-theme=dark]){--csstools-color-scheme--light: ;color-scheme:dark;--paper: #171c19;--surface: #1e2621;--ink: #edf3ee;--muted: #b5c3b9;--line: #35453a;--accent: #a2d6b5;--soft: #263b2d;--panel: #303d34;--action: #d7eddd;--action-ink: #1b2b20}}@media(max-width:900px){.wrap{width:calc(100% - 40px)}.hero{gap:28px;grid-template-columns:1.1fr 1fr}.before-start{padding:20px;gap:12px}.before-icon{display:none}.guide-step{padding:24px 20px 20px}.guide-step h2{font-size:21px}.step-description{min-height:75px}.illustration-panel{padding:16px 8px;min-height:370px}.help-section{gap:30px}.finish{align-items:flex-start}.finish-check{display:none}}@media(max-width:640px){.wrap{width:calc(100% - 32px)}.site-header{min-height:76px}.brand{gap:8px;font-size:15px}.brand img{width:28px;height:28px}.header-divider{margin:0}.header-label{font-size:10px}.home-link{font-size:11px}.home-link span{margin-left:2px}.hero{grid-template-columns:1fr;padding:35px 0 26px;gap:26px}h1{font-size:40px;margin-top:15px}.hero-description{font-size:14px;margin-top:17px}.before-start{border-radius:13px;padding:18px}.before-icon{display:block}.before-start h2{font-size:14px}.before-start p{font-size:12px}.before-start a{margin-top:7px;font-size:11px}.step-nav{padding:12px;display:grid;grid-template-columns:1fr 1fr;gap:2px 12px;margin-bottom:20px}.step-nav i{display:none}.step-nav a{gap:8px;font-size:12px}.step-nav a span{width:24px;height:24px;font-size:11px}.steps-grid{grid-template-columns:1fr;gap:18px}.guide-step{border-radius:17px;padding:23px 18px 20px}.guide-step h2{font-size:22px}.step-description{min-height:0;font-size:13px;margin-top:10px}.step-heading{margin-bottom:14px;gap:11px}.step-figure{margin-top:20px}.illustration-panel{min-height:0;padding:16px 12px}.shot-three{margin:16px 0}.shot-four{max-width:275px}.image-label{font-size:10px;padding:5px 7px}.example-code{font-size:12px}figcaption{font-size:11px}.step-note{font-size:11px;margin-top:16px}.help-section{grid-template-columns:1fr;gap:23px;margin:38px 4px 28px}.help-section h2{font-size:24px}.help-section h2 br{display:none}.questions summary{font-size:13px;min-height:62px}.questions details p{font-size:12px}.finish{flex-direction:column;padding:22px;gap:19px}.finish h2{font-size:16px;line-height:1.5}.finish p{margin-top:8px;line-height:1.8}.primary-link{width:100%}.site-footer{flex-direction:column;gap:3px;padding:25px 0}}@media(max-width:360px){.header-divider,.header-label{display:none}h1{font-size:34px}.guide-step{padding:21px 15px 18px}.guide-step h2{font-size:20px}.image-label{font-size:9px}.example-code{font-size:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}