:root{color-scheme:light;--bg:#f5f6f2;--paper:#fff;--text:#202e2a;--muted:#718079;--line:#dfe4dc;--green:#22594e;--green-soft:#e8eee6;--warm:#b76a38;--warm-soft:#f5ece1;--soft:#eff1ec;--shadow:0 12px 45px #1a38280b;--rail:252px;--top:82px;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:calc(var(--top) + 18px)}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #7cae8d;outline-offset:4px}button{border:0}p{margin:0 0 14px}h1,h2,h3{line-height:1.4}h2,h3{margin:0}::selection{background:#bed6bc;color:#152f24}[hidden]{display:none!important}.skip-link{position:fixed;z-index:100;left:18px;top:-100px;background:var(--green);color:white;padding:12px}.skip-link:focus{top:12px}.reading-progress{position:fixed;inset:0 0 auto;height:3px;z-index:50}.reading-progress span{display:block;width:0;height:100%;background:#789d76}.topbar{height:var(--top);position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 40px 0 30px}.brand{display:flex;align-items:center;gap:15px}.brand-mark{font-size:26px;letter-spacing:-2px;font-weight:800;color:var(--paper);background:var(--green);height:42px;width:49px;line-height:42px;padding-left:6px;border-radius:9px;position:relative}.brand-mark span{font-size:14px;vertical-align:top;position:absolute;right:4px;top:-4px}.brand-name{font-size:17px;font-weight:650;letter-spacing:1px;line-height:1.35}.brand-name small{display:block;font-size:9px;letter-spacing:2px;color:var(--muted);font-weight:500;margin-top:5px}.header-right{display:flex;gap:20px;align-items:center}.edition{font-size:12px;color:var(--muted)}.icon-button{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;font-size:21px;line-height:1}.print-button{background:transparent;font-size:12px;padding:8px 0}.print-button span{padding-left:12px;color:var(--muted)}.mobile-menu{display:none}.layout{display:grid;grid-template-columns:var(--rail) minmax(0,1fr);max-width:1720px;margin:auto}.sidebar{height:calc(100dvh - var(--top));position:sticky;top:var(--top);padding:30px 20px 0 26px;border-right:1px solid var(--line);overflow:auto;scrollbar-width:thin;display:flex;flex-direction:column}.small-label{font-size:10px;font-weight:600;letter-spacing:1.8px;color:var(--muted)}.sidebar-top{margin-bottom:20px}.sidebar-top>.small-label{margin-left:13px}.overview-link{display:flex;align-items:center;justify-content:space-between;margin-top:12px;background:var(--green-soft);color:var(--green);border-radius:7px;padding:10px 13px;font-size:13px;font-weight:600}.nav-group{margin-bottom:23px}.nav-label{font-size:12px;font-weight:650;letter-spacing:.3px;display:flex;align-items:center;gap:9px;margin:0 12px 8px}.dot{display:inline-block;flex-shrink:0;width:6px;height:6px;background:var(--green);border-radius:50%}.dot.helper{background:var(--warm)}.nav-group>a{font-size:12px;color:var(--muted);display:block;padding:7px 12px 7px 26px;line-height:1.5;border-radius:5px;transition:background .15s,color .15s}.nav-group>a:hover{background:var(--soft);color:var(--text)}.nav-group>a[aria-current]{background:var(--green-soft);color:var(--green);font-weight:600}.nav-group[data-product=helper]>a[aria-current]{background:var(--warm-soft);color:var(--warm)}.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding:18px 8px 24px;font-size:10px;color:var(--muted)}.sidebar-foot small{display:block;padding-left:12px;margin-top:3px}.offline-dot{display:inline-block;height:5px;width:5px;border-radius:50%;background:#7b9672;margin-right:6px}main{min-width:0}.main-inner{max-width:1260px;margin:auto;padding:32px 50px 0}.breadcrumb{font-size:11px;color:var(--muted);margin-bottom:38px}.breadcrumb span{padding:0 10px;color:#aeb8ae}.hero{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;padding-bottom:44px}.eyebrow{font-size:11px;letter-spacing:1px;color:var(--green);display:flex;align-items:center;gap:7px;margin-bottom:17px}.eyebrow>span{display:block;width:6px;height:6px;border-radius:100%;background:var(--green)}h1{font-size:clamp(38px,3.5vw,58px);letter-spacing:-2px;line-height:1.3;margin:0 0 20px;font-weight:650}.title-dot{color:var(--green)}.hero-copy>p{color:var(--muted);font-size:13px;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:22px;margin:24px 0}.primary-button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;white-space:nowrap;font-size:12px;color:#fff;background:var(--green);border-radius:6px;padding:12px 17px;transition:transform .2s,background .2s}.primary-button:hover{background:#316b5f;transform:translateY(-2px)}.text-button{font-size:11px;color:var(--muted);white-space:nowrap}.hero-meta{font-size:10px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 16px}.hero-meta span+span:before{content:'·';margin-right:14px}.hero-art{background:#e9ede3;aspect-ratio:1.25;min-width:0;border-radius:14px;padding:24px 22px 14px;display:flex;flex-direction:column;overflow:hidden;position:relative;color:#335247;border:1px solid #dfe5d8}.art-top{display:flex;justify-content:space-between;font-size:8px;letter-spacing:1.3px;color:#79907a;gap:8px}.hud-mini{display:flex;align-items:center;justify-content:center;gap:12px;margin:38px 0 27px}.hud-mini>span{font-size:36px;color:#638b68;line-height:1}.hud-mini b{font-size:12px;font-weight:500}.hud-mini small{display:block;font-size:8px;color:#8b9a85;margin-top:3px}.panorama{display:flex;align-items:center;gap:4px;transform:perspective(650px) rotateY(-7deg) rotateX(8deg);background:#263a31;border:4px solid #283a31;border-radius:11px;box-shadow:0 14px 28px #1d352b24;height:126px}.screen-label{font-size:5px;letter-spacing:1px;color:#789384;display:block;line-height:1}.instrument{flex:1;background:#23392e;align-self:stretch;display:flex;flex-direction:column;justify-content:space-between;padding:8px;border-radius:6px;color:#b7c6ac}.instrument small,.passenger small{font-size:7px}.cluster-map{position:relative;height:57px;overflow:hidden}.cluster-map i{width:65px;border-top:1px solid #4d6955;position:absolute;transform:rotate(-33deg);left:-6px;top:10px}.cluster-map i:nth-child(2){top:30px}.cluster-map i:nth-child(3){left:25px;top:10px;transform:rotate(50deg)}.cluster-map b{position:absolute;font-size:24px;color:#95c3a3;left:45%;top:7px}.center-screen{position:relative;flex:2.1;height:100%;background:#d7e1c7;overflow:hidden;display:flex;border-radius:5px}.center-screen>.screen-label{position:absolute;top:7px;left:8px;z-index:2;color:#5b7253}.screen-route{position:relative;flex:1;overflow:hidden;background:linear-gradient(115deg,#d3dcc5 30%,#c5d7ba 30%,#c5d7ba 58%,#e4e6d6 58%)}.road{position:absolute;width:240px;border:3px solid #edf1e7;transform:rotate(-39deg);top:56px;left:-30px}.road-two{transform:rotate(44deg);left:-36px;top:53px}.route{position:absolute;left:39%;top:26px;width:35px;height:68px;border-left:5px solid #49765a;border-top:5px solid #49765a;border-radius:10px 0 0 0;transform:rotate(10deg)}.car-marker{position:absolute;left:36%;top:67px;color:#fff;font-size:19px;text-shadow:0 1px 3px #335a3d}.map-pin{position:absolute;left:61%;top:18px;color:#b57a47;font-size:16px}.map-label{position:absolute;font-size:7px;bottom:6px;left:7px;color:#526c4a}.screen-dock{width:19px;background:#ecf0e3;display:flex;align-items:center;justify-content:center;gap:5px;flex-direction:column}.screen-dock i{width:9px;height:9px;border-radius:3px;background:#79a17c}.screen-dock i:nth-child(2){background:#9ab5bb}.screen-dock i:nth-child(3){background:#c4a66f}.screen-dock i:nth-child(4){background:#818f78}.screen-dock span{font-size:10px}.passenger{background:#394a36;border-radius:6px;flex:.9;height:100%;padding:8px;display:flex;flex-direction:column;justify-content:space-between;color:#c3cbb5}.mountain{font-size:49px;line-height:.9;color:#93a57c;transform:rotate(-12deg)}.ambient-line{height:2px;flex-shrink:0;background:linear-gradient(90deg,transparent,#8fab85 20%,#d4b58a 80%,transparent);margin:20px -5px 14px;box-shadow:0 2px 5px #8da57c44}.art-bottom{display:flex;justify-content:space-between;gap:8px;font-size:8px}.art-bottom .dot{width:4px;height:4px;margin-right:2px;vertical-align:middle}.art-bottom b{font-weight:400;color:#81917a;margin-left:3px}.art-caption{display:block;font-size:7px;color:#95a08b;margin-top:auto;padding-top:14px;text-align:center}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:32px}.product-card{padding:23px;display:flex;gap:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px;transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.product-icon{height:44px;width:44px;flex-shrink:0;line-height:44px;text-align:center;border-radius:11px;background:var(--green-soft);color:var(--green);font-size:25px}.product-card.helper .product-icon{background:var(--warm-soft);color:var(--warm)}.product-card .small-label{font-size:8px;letter-spacing:1px}.product-card h2{font-size:23px;letter-spacing:-.7px;margin:3px 0 7px}.product-card p{font-size:12px;line-height:1.9;color:var(--muted);margin-bottom:15px}.card-link{font-size:11px;color:var(--green);display:flex;justify-content:space-between;gap:16px}.helper .card-link{color:var(--warm)}.search-area{margin:0 0 38px;scroll-margin-top:100px}.search-box{padding:0 18px;display:flex;gap:12px;align-items:center;border:1px solid var(--line);background:var(--paper);border-radius:8px;height:57px;color:var(--muted)}.search-box:focus-within{border-color:#6a937c;box-shadow:0 0 0 3px #789d7614}.search-box input{border:0;background:transparent;outline:none!important;flex:1;min-width:0;color:var(--text);font-size:12px;height:100%}.search-box input::placeholder{color:var(--muted);opacity:1}.search-box kbd{font-size:9px;border:1px solid var(--line);background:var(--bg);border-radius:4px;padding:1px 6px;white-space:nowrap;font-family:inherit}#search-results{border:1px solid var(--line);background:var(--paper);padding:14px;border-radius:8px;margin-top:7px;max-height:450px;overflow:auto}.result-head{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);margin-bottom:7px}.result-head p{font-size:12px;color:var(--muted);margin-bottom:8px}.result-head button{background:transparent;color:var(--green);font-size:12px}.search-result{display:block;padding:12px;border-radius:6px;border-bottom:1px solid var(--line)}.search-result:last-child{border-bottom:0}.search-result:hover{background:var(--soft)}.search-result strong{font-size:14px;display:block;margin:5px 0}.search-result p{font-size:12px;color:var(--muted);margin:0}.search-result .product-pill{font-size:9px}.search-result mark{background:#e9d9a6;color:#493f22;border-radius:2px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:15px}.section-heading h2{font-size:22px;margin:6px 0 0;letter-spacing:-.4px}.section-heading>span{font-size:10px;color:var(--muted);padding-bottom:3px}.filters{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-top:20px}.filters button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:8px 14px;border-bottom:2px solid transparent;background:transparent;font-size:11px;color:var(--muted)}.filters button[aria-pressed=true]{color:var(--green);border-color:var(--green);font-weight:600}.quick-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:26px}.quick-row{padding:18px 0;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);min-width:0}.quick-row:hover strong{color:var(--green)}.quick-product{writing-mode:horizontal-tb;font-size:9px;width:57px;flex-shrink:0;color:var(--green)}.quick-product.helper{color:var(--warm)}.quick-row>span:nth-child(2){flex:1;min-width:0}.quick-row strong{font-size:12px;font-weight:550;display:block}.quick-row small{font-size:9px;color:var(--muted);display:block;margin-top:3px}.quick-row>span:last-child{font-size:14px;color:var(--muted)}.before-start{display:flex;gap:14px;padding:20px;background:var(--green-soft);border-radius:8px;margin:29px 0 60px}.info-symbol{width:18px;height:18px;border:1px solid var(--green);border-radius:50%;font-family:serif;font-style:italic;line-height:16px;text-align:center;color:var(--green);flex-shrink:0;margin-top:4px;font-size:12px}.before-start strong{font-size:12px;font-weight:600}.before-start p{font-size:11px;color:var(--muted);margin:5px 0 0;line-height:1.95}.guide-heading{padding-top:32px;border-top:1px solid var(--line);margin-bottom:30px}.guide-heading h2{font-size:30px;margin-top:7px}.guide-heading p{font-size:12px;color:var(--muted);margin:10px 0 0}.chapter{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:26px;padding:34px 36px;scroll-margin-top:0}.chapter-kicker{display:flex;align-items:center;gap:13px;margin-bottom:16px;color:var(--muted);font-size:9px;letter-spacing:.5px}.product-pill{display:inline-block;color:var(--green);background:var(--green-soft);font-size:10px;padding:3px 8px;border-radius:4px;font-weight:550;letter-spacing:0}.product-pill.helper{background:var(--warm-soft);color:var(--warm)}.copy-link{margin-left:auto;font-size:20px;width:32px;height:32px;line-height:1;background:var(--bg);border:1px solid var(--line);border-radius:5px;color:var(--muted)}.chapter h2{font-size:27px;font-weight:600;letter-spacing:-.6px}.chapter-intro{font-size:13px;color:var(--muted);margin-top:8px;margin-bottom:24px}.menu-path{display:flex;align-items:start;gap:14px;padding:13px 17px;border:1px solid var(--line);border-radius:6px;background:var(--bg);margin-bottom:27px;font-size:12px}.menu-path>span{font-size:10px;color:var(--muted);white-space:nowrap;line-height:2.15}.menu-path p{margin:0;color:var(--green);font-weight:500}.chapter[data-product=helper] .menu-path p{color:var(--warm)}.chapter-body{font-size:15px;line-height:2;color:var(--text);overflow-wrap:anywhere}.chapter-body h3{font-size:15px;font-weight:600;margin:23px 0 9px}.chapter-body>h3:first-child{margin-top:0}.chapter-body p{color:var(--muted);margin-bottom:15px}.steps{list-style:none;margin:0;padding:0}.steps li{display:flex;gap:18px;margin-bottom:23px}.steps li:last-child{margin-bottom:0}.steps li>span{height:28px;width:28px;flex-shrink:0;border-radius:50%;text-align:center;background:var(--green-soft);color:var(--green);font-size:10px;font-weight:550;line-height:28px;margin-top:1px}.chapter[data-product=helper] .steps li>span{background:var(--warm-soft);color:var(--warm)}.steps li>div{flex:1;min-width:0}.steps h3{margin:0 0 7px;font-size:14px}.steps p{margin:0}.note{border-left:2px solid #b5c8aa;background:var(--soft);padding:15px 18px;margin:24px 0 0;border-radius:0 6px 6px 0}.note strong{font-size:12px;font-weight:600}.note p{font-size:13px;margin:5px 0 0;line-height:1.9}.table-wrap{max-width:100%;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.9}th{text-align:left;font-weight:500;color:var(--muted);background:var(--bg);padding:11px 14px;border-bottom:1px solid var(--line)}td{vertical-align:top;border-bottom:1px solid var(--line);padding:13px 14px;color:var(--muted)}td:first-child{width:29%;min-width:135px;color:var(--text);font-weight:500}.table-wrap+.steps{margin-top:26px}details{border-bottom:1px solid var(--line);padding:0}summary{cursor:pointer;font-weight:500;font-size:13px;min-height:51px;display:flex;align-items:center;justify-content:space-between;list-style:none;gap:16px}summary::-webkit-details-marker{display:none}summary:after{content:'+';font-size:19px;font-weight:400;color:var(--muted)}details[open]>summary:after{content:'−'}details>div{padding:0 22px 1px 0}details>div p{font-size:14px}.back-top{display:inline-block;font-size:10px;color:var(--muted);margin-top:25px}.back-top:hover{color:var(--green)}.end-note{padding:45px 0 35px;max-width:730px}.end-note h2{font-size:26px;margin:10px 0 17px}.end-note p{font-size:12px;color:var(--muted);line-height:2}.end-note>a{font-size:11px;color:var(--green)}footer{border-top:1px solid var(--line);padding:24px 0 29px;display:flex;justify-content:space-between;font-size:9px;color:var(--muted);gap:15px}#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,15px);background:var(--green);color:#fff;font-size:12px;padding:10px 20px;border-radius:6px;z-index:70;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}.noscript{padding:12px 20px;text-align:center;background:var(--green-soft);font-size:12px}
html[data-theme=dark]{color-scheme:dark;--bg:#171d1a;--paper:#202824;--text:#e2e9df;--muted:#a2afa3;--line:#354138;--green:#a0c5ab;--green-soft:#2a3d31;--warm:#d7a57a;--warm-soft:#3d3228;--soft:#28312a;--shadow:0 12px 45px #0002}html[data-theme=dark] .brand-mark{background:#47674f;color:#f2f5e9}html[data-theme=dark] .hero-art{filter:brightness(.8)}html[data-theme=dark] .primary-button{background:#42664d;color:#f2f5e9}html[data-theme=dark] .primary-button:hover{background:#52785d}
@media(min-width:1600px){:root{--rail:280px}.main-inner{padding-inline:70px}.hero{gap:60px}.hero-art{max-height:410px}.sidebar{padding-left:38px}}
@media(max-width:1150px){:root{--rail:218px}.main-inner{padding:28px 30px 0}.topbar{padding-inline:24px}.sidebar{padding-left:18px;padding-right:16px}.hero{gap:20px}.hero-art{padding:18px 15px 12px;aspect-ratio:1.1}.hud-mini{margin:24px 0 20px}.panorama{height:112px}.hero-actions{gap:13px;flex-wrap:wrap}.hero-meta{font-size:9px}.product-card{padding:20px 17px;gap:13px}.product-card p{font-size:11px}.quick-grid{column-gap:20px}.quick-row{gap:8px}.quick-product{width:50px;font-size:8px}.quick-row small{font-size:9px}.chapter{padding:30px}.section-heading>span{display:none}}
@media(max-width:880px){:root{--rail:200px}.main-inner{padding:25px 24px 0}.sidebar{padding-inline:12px}.edition{display:none}.hero{grid-template-columns:1fr}.hero-copy>p br{display:none}.hero-art{aspect-ratio:auto;height:260px;max-width:100%;padding:15px 25px}.hud-mini{margin:12px 0 14px}.panorama{height:105px;max-width:460px;width:100%;margin-inline:auto}.ambient-line{margin:14px 0 9px}.art-bottom{justify-content:center;gap:40px}.art-caption{padding-top:7px}.hero-copy>p{max-width:370px}.hero-actions{margin:20px 0}.hero-meta{margin-bottom:6px}.breadcrumb{margin-bottom:28px}.product-grid{gap:12px}.product-card{display:block;padding:18px}.product-icon{display:block;margin-bottom:12px;width:35px;height:35px;line-height:35px;font-size:21px}.quick-grid{grid-template-columns:1fr}.quick-product{width:65px}.search-box kbd{display:none}.chapter{padding:26px 23px}.chapter h2{font-size:24px}.hero{padding-bottom:28px}.product-card h2{font-size:21px}.product-card p{min-height:62px}.table-wrap td:first-child{min-width:105px}.before-start{margin-bottom:40px}}
@media(max-width:640px){:root{--top:69px}.topbar{padding:0 19px}.brand{gap:10px}.brand-mark{height:35px;width:42px;line-height:35px;font-size:23px;border-radius:7px}.brand-name{font-size:14px}.brand-name small{font-size:7px;letter-spacing:1.6px}.header-right{gap:10px}.print-button{font-size:10px;max-width:73px;line-height:1.5}.print-button span{display:none}.icon-button{width:34px;height:34px;font-size:19px}.mobile-menu{display:block;border-radius:7px;font-size:16px}.layout{display:block}.sidebar{display:none;position:fixed;top:var(--top);left:0;width:min(310px,85vw);z-index:42;height:calc(100dvh - var(--top));background:var(--bg);padding:20px 22px;box-shadow:8px 0 30px #0002}.sidebar.open{display:flex}body:has(.sidebar.open){overflow:hidden}#drawer-backdrop{position:fixed;inset:var(--top) 0 0;background:#172e2355;z-index:40}.sidebar .nav-group>a{font-size:13px;padding-block:10px}.sidebar .nav-label{font-size:13px}.main-inner{padding:24px 20px 0}.breadcrumb{margin-bottom:30px;font-size:10px}.eyebrow{font-size:10px;margin-bottom:13px}h1{font-size:43px;letter-spacing:-1.8px}.hero{gap:26px;padding-bottom:23px}.hero-copy>p{font-size:12px;line-height:1.95;max-width:none}.hero-copy>p br{display:block}.hero-actions{gap:20px}.primary-button{font-size:11px;padding:12px 16px;gap:23px}.text-button{font-size:10px}.hero-meta{font-size:8px;gap:7px}.hero-meta span+span:before{margin-right:7px}.hero-art{height:259px;padding:18px 21px}.hud-mini{margin:18px 0}.panorama{height:105px}.art-top{font-size:7px}.art-bottom{gap:24px}.product-grid{gap:10px;margin-bottom:23px}.product-card{padding:16px 14px}.product-icon{margin-bottom:12px}.product-card h2{font-size:21px}.product-card p{font-size:10px;line-height:1.9;min-height:57px;margin-bottom:13px}.product-card .small-label{font-size:7px;letter-spacing:.8px}.card-link{font-size:9px;gap:5px}.search-area{margin-bottom:29px}.search-box{height:55px;padding-inline:14px;gap:9px}.search-box svg{width:17px;flex-shrink:0}.search-box input{font-size:11px}.section-heading h2{font-size:21px}.quick-row{padding:16px 0}.quick-row strong{font-size:12px}.quick-row small{font-size:10px}.quick-product{font-size:9px}.filters{margin-top:15px}.filters button{font-size:10px;padding:8px 12px}.before-start{padding:17px 15px;gap:11px;margin-top:25px;margin-bottom:36px}.before-start p{font-size:11px}.guide-heading{padding-top:27px;margin-bottom:25px}.guide-heading h2{font-size:26px}.guide-heading p{font-size:11px}.chapter{padding:23px 18px;border-radius:9px;margin-bottom:20px;scroll-margin-top:0}.chapter h2{font-size:23px;letter-spacing:-.7px}.chapter-intro{font-size:11px;margin-top:8px;margin-bottom:20px}.chapter-kicker{margin-bottom:13px;gap:10px}.menu-path{display:block;padding:11px 13px;font-size:11px;margin-bottom:23px}.menu-path>span{display:block;font-size:9px;margin-bottom:2px}.chapter-body{font-size:15px}.steps li{gap:12px;margin-bottom:21px}.steps li>span{height:24px;width:24px;font-size:9px;line-height:24px}.steps h3{font-size:15px}.note{padding:12px 13px;margin-top:21px}.note p{font-size:13px}.note strong{font-size:13px}table{font-size:13px}th,td{padding:10px 9px}.table-wrap td:first-child{min-width:82px;width:31%}.chapter-body h3{font-size:15px}summary{font-size:14px;line-height:1.7;padding-block:12px}details>div p{font-size:14px}.end-note{padding:32px 0}.end-note h2{font-size:23px}.end-note p{font-size:11px}footer{font-size:8px}.copy-link{height:29px;width:29px;font-size:17px}.back-top{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* Keep simple search visible before the cover on every screen. */
.search-area{margin-bottom:30px;scroll-margin-top:0}#search-form{display:flex;gap:9px}.search-box{flex:1;min-width:0}.search-submit{padding:0 22px;border-radius:8px;background:var(--green);color:var(--paper);font-size:13px;white-space:nowrap}.search-hints{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px;font-size:11px;color:var(--muted)}.search-hints button{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:3px 11px;color:var(--muted);font-size:11px;min-height:30px}.search-hints button:hover{border-color:var(--green);color:var(--green)}#search-trigger{display:flex;align-items:center;justify-content:center}.breadcrumb{margin-bottom:22px}
@media(max-width:640px){.print-button{display:flex;align-items:center;justify-content:center;min-width:32px;height:34px;max-width:none;font-size:0;padding:0;border:1px solid var(--line);border-radius:50%}.print-button:before{content:"⎙";font-size:20px}.search-area{margin-bottom:30px}.search-box input{font-size:13px}.search-submit{padding:0 17px;font-size:13px}.search-hints{font-size:11px;gap:6px}.search-hints button{min-height:32px}.search-hints>span{margin-right:3px}}
/* Detailed procedures and in-chapter navigation. */
.chapter-body h4{font-size:15px;line-height:1.6;font-weight:600;margin:0 0 7px}.chapter-body>.steps{margin-top:15px}.chapter-body>h3{margin-top:32px;padding-top:4px}.chapter-body h3[id]{scroll-margin-top:0}.chapter-toc{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 25px;padding:14px;background:var(--bg);border:1px solid var(--line);border-radius:7px;font-size:11px}.chapter-toc>span{flex-basis:100%;color:var(--muted);font-size:10px;letter-spacing:1px;margin-bottom:2px}.chapter-toc a{padding:5px 9px;background:var(--paper);border:1px solid var(--line);border-radius:5px;color:var(--green)}.chapter[data-product=helper] .chapter-toc a{color:var(--warm)}.chapter-toc a:hover{border-color:var(--muted)}.chapter-body .note a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.chapter-body .steps+h3{margin-top:32px}
@media(max-width:640px){.chapter-toc{padding:11px;gap:6px}.chapter-toc a{font-size:11px;line-height:1.6;padding:7px 9px}.chapter-body h4{font-size:15px}.chapter-body>h3{font-size:17px;margin-top:29px}.search-hints{row-gap:7px}}
@media print{.chapter-toc{display:none!important}.chapter-body h4{break-after:avoid}}
@media print{#search-trigger{display:none!important}}
@media print{:root{color-scheme:light;--bg:#fff;--paper:#fff;--text:#111;--muted:#444;--line:#ddd;--green:#22594e;--green-soft:#f2f5f0;--warm:#86512d;--warm-soft:#f7f3ee;--soft:#f5f5f5}html[data-theme=dark]{--bg:#fff;--paper:#fff;--text:#111;--muted:#444;--line:#ddd;--green:#22594e;--green-soft:#f2f5f0;--warm:#86512d;--warm-soft:#f7f3ee;--soft:#f5f5f5}body{font-size:10pt}.topbar{position:static;height:65px;padding:0 0 12px}.layout{display:block}.sidebar,.header-right,.reading-progress,.search-area,.filters,.hero-actions,.hero-art,.copy-link,.back-top,#toast,.skip-link,.quick-reference,#drawer-backdrop,.end-note>a{display:none!important}.main-inner{padding:22px 0 0;max-width:none}.hero{display:block;padding-bottom:18px}.hero h1{font-size:30pt}.product-grid{margin-top:10px}.product-card{padding:15px}.product-card p{min-height:0}.breadcrumb{margin-bottom:20px}.before-start{margin-bottom:20px}.chapter,.chapter[hidden]{display:block!important;border:0;border-top:1px solid #aaa;border-radius:0;padding:25px 0;margin:0;break-inside:auto}.chapter h2{font-size:20pt}.chapter-kicker{margin-bottom:10px}.chapter-body p{color:#333}.menu-path{margin-bottom:18px}.steps li{break-inside:avoid}.note{break-inside:avoid}table{font-size:10pt}tr{break-inside:avoid}details>div{display:block!important}details::details-content{content-visibility:visible!important;display:block!important}summary:after{display:none}.guide-heading{break-after:avoid}h2,h3,summary{break-after:avoid}.hero-meta{font-size:9pt}.end-note{max-width:none;padding-block:25px}.end-note p{font-size:9pt}a{color:inherit}footer{font-size:8pt}@page{margin:18mm 16mm}}
