@charset "UTF-8";
:root{--fv-ink:#203d2b;--fv-muted:#64735f;--fv-accent:#326344;--fv-paper:#fafbf5;--fv-line:#d6dfcc;--series-nav-height:90px;scroll-behavior:smooth;scroll-padding-top:calc(var(--series-nav-height) + 24px)}
*{box-sizing:border-box}body.fv-site{display:block;margin:0;background:var(--fv-paper);color:var(--fv-ink);font:16px/1.85 Arial,"Microsoft YaHei",sans-serif;overflow-wrap:anywhere}body.fv-site>[data-series-header]{width:100%}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,summary,input{touch-action:manipulation}button,summary{cursor:pointer}img{max-width:100%;display:block}figure,dl,dd,p,h1,h2,h3,h4{margin:0}p+p{margin-top:16px}h1,h2,h3,h4{line-height:1.4;font-weight:600}h1{font-size:36px}h2{font-size:30px}h3{font-size:24px}h4{font-size:18px}svg{width:24px;height:24px;flex-shrink:0}ul,ol{padding-left:24px}dt,dt *{font-size:20px!important;font-weight:500}dd,dd *{font-size:16px!important;font-weight:400}dd{color:var(--fv-muted)}[hidden]{display:none!important}:focus-visible{outline:3px solid #a5b451;outline-offset:5px}section[id],article[id],h2[id],h3[id]{scroll-margin-top:calc(var(--series-nav-height) + 24px)}
.fv-width{width:calc(100% - 96px);max-width:1440px;margin-inline:auto}.fv-section{padding-block:90px}.fv-kicker{display:block;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--fv-muted)}.fv-number{font-size:14px;color:var(--fv-muted);font-variant-numeric:tabular-nums}.fv-note{font-size:13px;color:var(--fv-muted);margin-top:18px}.fv-link{display:inline-flex;align-items:center;justify-content:space-between;gap:26px;min-height:44px;border-bottom:1px solid currentColor;font-size:14px}.fv-link:hover{color:#5b773f}.fv-action{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;min-height:54px;padding:13px 25px;background:var(--fv-accent);color:white;border:1px solid var(--fv-accent);border-radius:4px;font-size:16px;font-weight:600;box-shadow:0 6px 15px #203d2b12;transition:background .2s,transform .2s,box-shadow .2s}.fv-action:hover{background:#244a31;transform:translateY(-2px);box-shadow:0 8px 20px #203d2b24}.fv-action:active{transform:translateY(1px)}.fv-actions{display:flex;flex-wrap:wrap;align-items:center;gap:25px}.fv-skip{position:fixed;top:-100px;left:20px;z-index:200;background:white;padding:15px}.fv-skip:focus{top:12px}
.fv-header{position:sticky;top:0;z-index:100;background:#fafbf5f5;border-bottom:1px solid var(--fv-line);backdrop-filter:blur(16px)}.fv-bar{display:flex;align-items:center;gap:24px;min-height:88px}.fv-brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}.fv-brand img,.fv-brand svg{width:38px;height:38px;object-fit:contain}.fv-brand strong{font-size:24px;white-space:nowrap}.fv-navigation{display:flex;align-items:center;gap:17px;margin-left:auto;white-space:nowrap}.fv-navigation a{font-size:14px;position:relative;min-height:44px;display:flex;align-items:center}.fv-navigation a:hover,.fv-navigation .active-nav{color:#3f794f}.fv-navigation .active-nav:after{content:"";height:2px;position:absolute;bottom:0;left:0;right:0;background:#3f794f}.fv-bar>.fv-action{white-space:nowrap;min-height:48px;padding:10px 22px}.fv-menu{display:none}.fv-reading-line{position:absolute;bottom:-1px;left:0;width:calc(var(--reading-progress,0)*100%);height:2px;background:#7c9656}
.fv-hero{position:relative;isolation:isolate;min-height:650px;display:flex;align-items:center}.fv-optics{position:absolute;inset:0;z-index:-2;overflow:hidden;background:#e8ebd1}.fv-optics img,.fv-optics canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%}.fv-optics canvas{opacity:0;transition:opacity .5s}.fv-optics[data-ready=true] canvas{opacity:1}.fv-hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#fbfbedf0 0%,#fafbeec9 32%,#fafbe830 53%,transparent 67%);pointer-events:none}.fv-hero-content{padding-block:56px}.fv-hero-content>*{max-width:505px}.fv-hero h1{margin-top:24px;max-width:520px;text-wrap:balance}.fv-site-title{font-size:14px;letter-spacing:1px;margin-top:23px}.fv-subtitle{font-size:18px;max-width:460px;color:#3d593d;margin-top:15px}.fv-hero-content>p:not([class]){font-size:14px;color:#52624c;margin-top:20px;max-width:440px}.fv-hero .fv-actions{margin-top:28px}.fv-hero-note{position:absolute;right:40px;bottom:20px;font-size:12px;color:#244626;background:#fbfcedc9;padding:7px 12px;border-radius:3px}.fv-service-strip{padding-block:34px;border-bottom:1px solid var(--fv-line)}.fv-service-strip dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.fv-service-strip dl>div{padding-left:20px;border-left:2px solid #a6b787}.fv-service-strip dd{margin-top:10px}.fv-service-strip aside{margin-top:25px;padding-top:20px;border-top:1px solid var(--fv-line);font-size:14px}.fv-heading{display:grid;grid-template-columns:170px 1fr 1fr;gap:25px;align-items:start;margin-bottom:38px}.fv-heading p{color:var(--fv-muted);font-size:16px}.fv-picture{overflow:hidden;background:#edf0e7}.fv-picture img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.fv-picture:hover img{transform:scale(1.025)}
.fv-fieldbook{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.fv-fieldbook article{display:grid;grid-template-columns:1fr 46%;border-top:1px solid var(--fv-line);padding-top:24px;gap:25px;align-items:center}.fv-field-copy h3{font-size:24px;margin-top:20px}.fv-field-copy p{font-size:15px;color:var(--fv-muted);margin-block:18px}.fv-fieldbook .fv-picture{height:300px;border-radius:90px 90px 4px 4px}.fv-fieldbook article:nth-child(even){grid-template-columns:46% 1fr}.fv-fieldbook article:nth-child(even) .fv-picture{grid-column:1;grid-row:1}.fv-fieldbook article:nth-child(even) .fv-field-copy{grid-column:2}.fv-applications{padding-block:62px;background:#e9eedf;border-block:1px solid var(--fv-line)}.fv-applications>.fv-width{display:grid;grid-template-columns:1fr 1.25fr;gap:40px}.fv-applications h2{margin-block:15px}.fv-applications p{color:var(--fv-muted)}.fv-app-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.fv-app-grid>div{display:flex;align-items:center;flex-direction:column;gap:12px;justify-content:center;background:#ffffff9c;min-height:112px;border:1px solid #d8e0cd;border-radius:4px;font-size:14px}.fv-app-grid img{width:28px;height:28px}.fv-applications nav{display:flex;gap:28px}.fv-equipment{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px}.fv-equipment>article{grid-column:span 2;display:flex;flex-direction:column;border:1px solid var(--fv-line);border-radius:5px;overflow:hidden;min-width:0;background:#fff}.fv-equipment>article:nth-child(-n+2){grid-column:span 3}.fv-equipment header{display:flex;align-items:center;gap:14px;padding:22px 24px;border-bottom:1px solid var(--fv-line)}.fv-equipment header h3{font-size:22px}.fv-equipment header svg{margin-left:auto;width:22px;height:22px}.fv-equipment .fv-picture{height:235px;background:#f1f3ec;padding:14px}.fv-equipment .fv-picture img{object-fit:contain}.fv-equipment-info{padding:22px 24px;display:flex;flex-direction:column;gap:17px;flex:1}.fv-equipment-info p{font-size:14px;color:var(--fv-muted)}.fv-equipment-info nav{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:auto}.fv-equipment .fv-action{font-size:14px;min-height:46px;padding:10px 16px;gap:12px}
.fv-plan-section{background:#eef1e5;border-block:1px solid var(--fv-line)}.fv-plan-index{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:25px}.fv-plan-index a{border:1px solid #aebd9a;border-radius:3px;padding:10px 20px;font-size:14px;background:#ffffff80}.fv-plans{display:flex;flex-direction:column;gap:25px}.fv-plan{display:grid;grid-template-columns:32% 1fr;border:1px solid #b6c6a4;background:#fff;border-radius:5px;overflow:hidden}.fv-plan-intro{padding:30px;border-right:1px solid var(--fv-line);display:flex;flex-direction:column;align-items:flex-start;gap:14px;background:#f8faf1}.fv-plan-intro .fv-kicker{font-size:12px}.fv-plan h3{font-size:28px}.fv-plan-intro>p{font-size:15px;color:var(--fv-muted);margin:0}.fv-plan-intro>.fv-action{margin-top:7px;width:100%}.fv-plan-intro>.fv-note{font-size:12px}.fv-badge{background:#e4edd7;border:1px solid #bfcea9;border-radius:3px;font-size:12px;padding:3px 10px}.fv-plan-detail{min-width:0;align-content:start}.fv-plan dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--fv-line);padding:27px 30px;gap:22px}.fv-plan dd{margin-top:12px}.fv-plan-reading{padding:25px 30px;display:flex;flex-wrap:wrap;gap:25px}.fv-plan-reading>section{flex:1 1 230px;min-width:0}.fv-plan-reading>aside{flex:1 1 200px;border-left:2px solid #b7c99d;padding-left:20px;font-size:14px;color:var(--fv-muted)}.fv-plan-reading h4{font-size:17px;margin-bottom:12px;color:var(--fv-ink)}.fv-plan-reading ul{padding-left:18px;margin:0;font-size:14px}.fv-plan-reading p{font-size:14px}.fv-advice{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:34px}.fv-advice h3{font-size:20px;margin-bottom:10px}.fv-advice p{font-size:14px;color:var(--fv-muted)}.fv-empty{padding:30px;border:1px solid var(--fv-line)}
.fv-start>ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:0;margin:0;list-style:none;gap:35px}.fv-start li{border-top:2px solid #95aa79;padding:22px 0}.fv-start li h3{margin-top:20px}.fv-start li p{color:var(--fv-muted);font-size:15px;margin-block:16px}.fv-route{margin-top:30px;display:grid;grid-template-columns:1fr 1.4fr auto;gap:30px;padding:28px;background:#edf1e4;border:1px solid var(--fv-line);align-items:start}.fv-route h3{font-size:22px}.fv-route p{font-size:15px;color:var(--fv-muted)}.fv-help{display:grid;grid-template-columns:34% 1fr;gap:60px;border-top:1px solid var(--fv-line)}.fv-help .fv-heading{display:block;margin-bottom:26px}.fv-help .fv-heading h2{margin-block:20px}.fv-help nav{display:flex;gap:25px;flex-wrap:wrap}.fv-quick-faq details{border-top:1px solid var(--fv-line)}.fv-quick-faq details:last-child{border-bottom:1px solid var(--fv-line)}.fv-quick-faq summary{display:flex;align-items:center;gap:20px;padding:22px 0;list-style:none}.fv-quick-faq h3{font-size:18px;flex:1}.fv-quick-faq b{font-size:20px;font-weight:400}.fv-quick-faq details[open] b{transform:rotate(45deg)}.fv-quick-faq details>div{padding:0 25px 22px 42px;color:var(--fv-muted);font-size:15px}
.fv-mast{display:grid;grid-template-columns:180px 1fr 1fr;align-items:start;gap:30px;padding-block:60px;border-bottom:1px solid var(--fv-line)}.fv-mast>div{display:flex;flex-direction:column;gap:18px}.fv-mast p{color:var(--fv-muted)}.fv-inner{padding-block:50px 70px}.fv-inner>.fv-heading{margin-top:10px}.fv-reading{display:grid;grid-template-columns:220px minmax(0,1fr);gap:55px}.fv-index{align-self:start;position:sticky;top:calc(var(--series-nav-height) + 20px);border-block:1px solid var(--fv-line);font-size:14px}.fv-index summary{padding:17px 0;display:flex;justify-content:space-between;list-style:none}.fv-index nav{display:flex;flex-direction:column;gap:13px;padding-bottom:20px;max-height:55vh;overflow:auto}.fv-index nav a[data-active=true]{color:#54812c;font-weight:600}.fv-index output{display:block;color:var(--fv-muted);font-size:12px;padding-bottom:12px}.fv-prose{min-width:0;font-size:16px;color:#4f614b}.fv-prose h2{font-size:26px;color:var(--fv-ink);margin:30px 0 20px}.fv-prose h3{font-size:22px;color:var(--fv-ink);margin:24px 0 16px}.fv-prose h4{font-size:18px;color:var(--fv-ink);margin:20px 0 12px}.fv-prose p{margin-bottom:16px}.fv-prose a{text-decoration:underline;color:#3b693f}.fv-prose img{height:auto}.fv-prose pre,.fv-prose table{max-width:100%;overflow:auto;display:block}.fv-prose code{white-space:pre-wrap;overflow-wrap:anywhere}.fv-prose .fv-chapter{padding:0 0 28px;border-bottom:1px solid var(--fv-line)}.fv-prose .fv-chapter:first-child h2{margin-top:0}.fv-page-guide .fv-chapter{display:grid;grid-template-columns:30% 1fr;column-gap:28px}.fv-page-guide .fv-chapter>h2,.fv-page-guide .fv-chapter>h3{grid-column:1;grid-row:1 / span 30;font-size:22px;margin-top:24px}.fv-page-guide .fv-chapter>*:not(h2):not(h3){grid-column:2}.fv-page-guide .fv-chapter>*:nth-child(2){margin-top:24px}.fv-page-terms .fv-reading,.fv-page-privacy .fv-reading{grid-template-columns:180px minmax(0,800px);justify-content:center}.fv-page-about .fv-prose,.fv-page-advantages .fv-prose{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}.fv-page-about .fv-chapter,.fv-page-advantages .fv-chapter{padding:25px;border:1px solid var(--fv-line);background:white}.fv-about-image{height:340px;margin-bottom:40px;border-radius:5px}.fv-query{display:grid;grid-template-columns:220px 1fr auto;gap:25px;align-items:center;margin-bottom:35px;padding:25px;background:#eaf0de;border:1px solid var(--fv-line)}.fv-query label{font-size:18px}.fv-query input{min-width:0;width:100%;padding:12px;border:1px solid #a9bd93;background:#fff;border-radius:3px;color:var(--fv-ink)}.fv-query output{font-size:14px}.fv-question{border-bottom:1px solid var(--fv-line)}.fv-question summary{padding:18px 5px;list-style:none;display:flex;align-items:start;justify-content:space-between;gap:20px}.fv-question summary:after{content:"＋"}.fv-question[open] summary:after{content:"−"}.fv-question h4{margin:0;font-size:18px}.fv-question>div{padding:0 5px 15px}.fv-paths{margin-top:45px;padding-top:30px;border-top:1px solid var(--fv-line);display:flex;align-items:center;gap:30px;flex-wrap:wrap}.fv-paths h2{font-size:22px;margin-right:auto}.fv-install{margin-top:50px;border-top:1px solid var(--fv-line);padding-top:40px}.fv-install ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.fv-install h3{font-size:20px}.fv-install p{font-size:15px;margin-top:15px}.fv-perspective{margin-top:35px;padding:30px;background:#ecf0e2}
.fv-footer{background:#263f2b;color:#f2f5e9;padding:65px 0 25px}.fv-footer-invite{display:grid;grid-template-columns:1fr 1fr auto;gap:25px;align-items:center;border-bottom:1px solid #ffffff29;padding-bottom:45px}.fv-footer-invite>.fv-kicker{grid-column:1 / -1;color:#c3d1b6}.fv-footer-invite h2{font-size:30px}.fv-footer-invite p{font-size:15px;color:#d0dac4}.fv-footer .fv-action{background:#e1eacb;border-color:#e1eacb;color:#263f2b}.fv-footer-bottom{display:grid;grid-template-columns:1fr 1.3fr;gap:70px;padding-block:40px}.fv-footer-bottom>div:first-child p{margin-block:20px;color:#c3d1b6;font-size:14px;max-width:360px}.fv-footer-bottom>div:first-child{font-size:14px}.fv-footer .fv-brand img{filter:brightness(0) invert(1)}.fv-footer-directories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.fv-footer summary{display:flex;justify-content:space-between;align-items:center;list-style:none}.fv-footer summary h3{font-size:18px}.fv-footer summary>span{font-size:20px}.fv-footer details nav{display:flex;flex-direction:column;gap:9px;font-size:14px;padding-top:16px;color:#d0dac4}.fv-footer a:hover{text-decoration:underline}.fv-colophon{display:flex;flex-wrap:wrap;align-items:center;gap:20px;border-top:1px solid #ffffff29;padding-top:22px;color:#c3d1b6;font-size:12px}.fv-colophon button{margin-left:auto;border:1px solid #8b9d80;background:transparent;color:inherit;padding:7px 13px;border-radius:3px;font-size:12px}.fv-back{position:fixed;right:24px;bottom:24px;z-index:91;background:#fff;color:#25492d;border:2px solid #326344;border-radius:5px;padding:12px 20px;font-size:16px;font-weight:600;box-shadow:0 5px 16px #203d2b24}.fv-site .series-experience{--series-action-bg:#326344;--series-action-fg:white;background:#326344;color:white;border-radius:5px}
@keyframes fv-enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}body[data-motion=on] [data-reveal].is-visible{animation:fv-enter .65s backwards}body[data-motion=off] [data-reveal]{animation:none!important;opacity:1!important;transform:none!important}body[data-paused=true] *{animation-play-state:paused!important}
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.fv-site{--series-action:#326344;--series-action-hover:#244a31}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.fv-optics canvas{transition:none}}