:root{--ink:#163a2d;--green:#176c48;--leaf:#4d8c56;--paper:#f7f8f1;--line:#d9e2d7;--muted:#4e6256;--orange:#d76a22;--soft:#eaf1e6}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:130px}body{margin:0;color:var(--ink);background:white;font:18px/1.75 'Microsoft YaHei','PingFang SC',Arial,sans-serif}h1,h2,h3,h4,p,figure{margin:0}h1{font-size:clamp(36px,4.3vw,64px);line-height:1.22;font-weight:650;letter-spacing:-.03em}h2{font-size:clamp(29px,3vw,42px);line-height:1.35;font-weight:600}h3{font-size:25px;line-height:1.45;font-weight:600}h4{font-size:21px}a{color:var(--green);text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:#a74a18}button,input,select,textarea{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}img,video{max-width:100%;display:block}button{border:0}button,.btn{border-radius:2px}.wrap{width:min(1240px,calc(100% - 80px));margin:auto}.band{padding:78px 0}.tint{background:var(--paper)}.green{background:var(--ink);color:white}.green a{color:#e4f0cb}.green .muted{color:#d1dfd4}.eyebrow{font-size:18px;color:var(--green);font-weight:600;letter-spacing:.09em;margin-bottom:18px}.green .eyebrow{color:#c1d6a5}.lead{font-size:22px;max-width:780px;line-height:1.8;margin-top:24px}.muted,.source{color:var(--muted)}.source{font-size:18px;line-height:1.65}.stack>*+*{margin-top:22px}.section-head{display:flex;gap:30px;justify-content:space-between;align-items:flex-end;margin-bottom:36px}.section-head p{max-width:560px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:13px 24px;font-weight:600;background:var(--green);color:white;text-decoration:none;min-height:54px;border:1px solid var(--green)}.btn:hover{background:#0e4e34;color:white}.btn.secondary{background:transparent;color:var(--green);border-color:#9ab39c}.btn.light{background:#f4f6e8;color:var(--ink);border-color:#f4f6e8}.btn.warm{background:var(--orange);color:white;border-color:var(--orange)}.actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:28px}.pill{display:inline-block;border:1px solid var(--line);padding:3px 12px;font-size:18px;background:var(--paper)}.notice{padding:16px 22px;background:#fff5e8;border-left:4px solid var(--orange);color:#65411f;font-size:18px}.demo-bar{background:var(--paper);border-bottom:1px solid var(--line);color:#526553;padding:8px 0;font-size:18px}.demo-bar .wrap{display:flex;justify-content:space-between;gap:20px;align-items:center}.site-header{position:sticky;top:0;z-index:20;background:#fffffff5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:94px}.brand{text-decoration:none;color:var(--ink);font-weight:700;font-size:29px;white-space:nowrap;line-height:1.15}.brand span{display:block;font-weight:400;font-size:18px;letter-spacing:.13em;margin-top:8px}.nav-links{display:flex;align-items:center;gap:24px}.nav-links a{font-size:18px;text-decoration:none}.menu-toggle{display:none;background:var(--soft);color:var(--ink);padding:9px 15px}.hero{padding:60px 0 64px;background:var(--paper);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center}.hero .intro{padding:20px 0}.hero-photo{position:relative;align-self:stretch;min-height:450px}.hero-photo>img{width:100%;height:100%;position:absolute;object-fit:cover}.hero-photo figcaption{position:absolute;bottom:0;background:#163a2dec;color:white;left:0;right:0;padding:12px 18px;font-size:18px}.home-paths{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);margin-top:42px}.home-paths a{padding:22px 10px 0 0;text-decoration:none;display:block}.home-paths a+a{border-left:1px solid var(--line);padding-left:24px}.home-paths strong{display:block;font-size:23px}.home-paths span{display:block;font-size:18px;color:var(--muted);margin-top:7px}.product-card{border:1px solid var(--line);display:flex;flex-direction:column;background:white;min-width:0}.product-card img{width:100%;height:225px;object-fit:contain;background:#f1f2eb}.card-body{padding:25px;display:flex;flex-direction:column;gap:14px;flex:1}.card-body .actions{margin-top:auto;padding-top:5px}.card-body h3{overflow-wrap:anywhere}.card-body button{background:none;color:var(--green);text-align:left;padding:0;font-weight:600}.card-body a{font-weight:600}.rule-card{border-top:2px solid var(--green);padding:28px 0}.rule-card .num{color:var(--leaf);font-size:34px;margin-bottom:20px}.rule-card p{margin-top:15px}.story-photo{height:440px;width:100%;object-fit:cover}.caption{font-size:18px;padding-top:14px;color:var(--muted)}.line-list{list-style:none;padding:0;margin:22px 0}.line-list li{padding:17px 0;border-bottom:1px solid var(--line)}.line-list li:last-child{border-bottom:0}.cta-band{padding:56px 0}.cta-band .wrap{display:flex;gap:36px;align-items:center;justify-content:space-between}.site-footer{background:#f1f4ec;padding:40px 0}.site-footer .wrap{display:flex;justify-content:space-between;gap:24px}.footnote{font-size:18px;margin-top:20px;color:var(--muted)}.breadcrumbs{padding-top:28px;font-size:18px}.page-top{padding:45px 0 55px}.page-top .lead{max-width:860px}.filter-bar{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0}.filter-bar button{font-weight:600;padding:10px 22px;background:#edf2e8;color:var(--ink);border:1px solid var(--line)}.filter-bar button[aria-pressed=true]{background:var(--green);color:white}.filter-bar input{min-width:260px;flex:1}.product-hero{padding:35px;background:var(--paper)}.product-hero img{height:420px;width:100%;object-fit:contain}.detail-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.8fr);gap:55px}.aside-box{background:var(--paper);padding:28px;align-self:start;border-top:3px solid var(--green)}.aside-box p{margin-top:16px}.aside-box .btn{width:100%;margin-top:16px}.table-wrap{width:100%;overflow-x:auto;overscroll-behavior-x:contain;margin:22px 0;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;text-align:left;font-size:18px}th,td{padding:16px 19px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--soft);font-weight:600}td:first-child{min-width:155px}tr:last-child td{border-bottom:0}dl{margin:0}dt{font-weight:600}dd{margin:7px 0 22px}.proof-row{border-bottom:1px solid var(--line);padding:26px 0;display:grid;grid-template-columns:.65fr 1.35fr;gap:30px}.proof-row:first-child{border-top:1px solid var(--line)}.process{counter-reset:steps;list-style:none;padding:0}.process li{counter-increment:steps;padding:24px 0 24px 65px;position:relative;border-bottom:1px solid var(--line)}.process li:before{content:'0' counter(steps);position:absolute;left:0;top:20px;color:var(--leaf);font-size:27px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px}label{display:block;font-size:18px;font-weight:600}input,select,textarea{width:100%;background:white;border:1px solid #8da18e;border-radius:2px;padding:12px 13px;color:var(--ink);font-size:18px;margin-top:8px}textarea{resize:vertical;min-height:120px}.full{grid-column:1/-1}.check{display:flex;gap:12px;align-items:flex-start;font-weight:400;margin:13px 0}.check input{width:22px;height:22px;flex:0 0 22px;margin-top:6px;accent-color:var(--green)}fieldset{border:1px solid var(--line);padding:24px;margin:0 0 27px}legend{padding:0 10px;font-weight:600}.summary{white-space:pre-wrap;background:#f1f5eb;border:1px solid var(--line);padding:25px;color:var(--ink);font:18px/1.8 'Microsoft YaHei',sans-serif;overflow-wrap:anywhere}.error{color:#a12218;font-weight:600;margin-top:18px;min-height:30px}.question-tabs{display:flex;flex-direction:column;gap:12px}.question-tabs button{text-align:left;padding:20px;background:var(--paper);color:var(--ink);border:1px solid var(--line)}.question-tabs button[aria-pressed=true]{border-left:5px solid var(--green);background:var(--soft)}.answer{padding:34px;border:1px solid var(--line)}.answer p{margin-top:24px}.step-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:25px 0;border-bottom:1px solid var(--line)}.step-nav a{padding:13px 14px;text-decoration:none;background:var(--paper);font-size:18px}.step-nav a[aria-current=step]{background:var(--green);color:white}.proposal-step{display:none;padding:45px 0 65px}.proposal-step.active{display:block}.step-counter{font-size:18px;color:var(--green);margin-bottom:17px}.step-foot{display:flex;gap:20px;justify-content:space-between;padding:25px 0;border-top:1px solid var(--line)}.option{padding:25px 0;border-bottom:1px solid var(--line)}.option label{font-size:23px}.option p{padding-left:34px;margin:12px 0}.fee-box{background:var(--soft);padding:26px;margin-top:28px}.fee-box strong{font-size:27px}.fee-box p{margin-top:14px}.preview-screen{border:1px solid var(--line);box-shadow:0 16px 40px #183b2d16;background:white;overflow:hidden}.preview-screen img{width:100%;aspect-ratio:1.6;object-fit:cover;object-position:top}.preview-screen .caption{padding:13px 20px}.experience-hero{padding:55px 0 65px;background:#f0f3e7}.experience-hero .hero-grid{grid-template-columns:.9fr 1.1fr}.experience-hero h1{font-size:clamp(36px,4vw,55px)}.issue{padding:30px;border:1px solid var(--line)}.issue img{height:250px;object-fit:contain;background:#eef1ea;width:100%;margin-bottom:20px}.issue p{margin-top:15px}.task{background:#e9f0e0;padding:35px;border-left:5px solid var(--green)}.video-frame{width:100%;background:#163a2d;aspect-ratio:16/9}.download-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.compare-grid figure{padding:22px;background:var(--paper)}.compare-grid img{max-height:720px;object-fit:contain;margin:auto}.compare-grid figcaption{font-size:18px;margin-top:22px}.zoom-img{cursor:zoom-in}dialog{border:1px solid var(--line);max-width:min(94vw,1100px);max-height:94vh;overflow:auto;padding:28px;background:white;color:var(--ink)}dialog::backdrop{background:#0f291fe0}dialog .dialog-top{display:flex;justify-content:space-between;gap:25px;margin-bottom:22px}dialog .dialog-top button{padding:9px 18px;background:var(--green);color:white}.empty{padding:32px;background:var(--paper)}.link-list{display:flex;gap:20px;flex-wrap:wrap}.status-list{padding-left:23px}.status-list li{margin:12px 0}.print-only{display:none}.scope-card{padding:30px;border:1px solid var(--line)}.scope-card p{margin:14px 0}.scope-card ul{padding-left:24px}.qa-table td{word-break:break-word}.skip{position:absolute;left:-10000px}.skip:focus{left:15px;top:10px;background:white;z-index:50;padding:15px}.hide{display:none!important}.text-link{background:none;padding:0;color:var(--green);text-decoration:underline}.hero-note{margin-top:22px;font-size:18px;color:var(--muted)}@media(min-width:1600px){.wrap{width:1360px}}@media(max-width:1050px){.nav-links{gap:16px}.nav-row{gap:15px}.brand{font-size:25px}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid,.experience-hero .hero-grid{gap:30px}.wrap{width:calc(100% - 48px)}}@media(max-width:800px){html{scroll-padding-top:100px}.wrap{width:calc(100% - 36px)}.nav-row{min-height:80px;flex-wrap:wrap}.menu-toggle{display:block}.nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;padding:8px 0 22px;gap:8px}.nav-links.open{display:flex}.nav-links a{padding:7px 0}.nav-links .btn{padding:10px 16px}.hero-grid,.experience-hero .hero-grid,.grid,.grid.three,.detail-grid,.compare-grid{grid-template-columns:1fr}.hero{padding:32px 0 40px}.hero-photo{min-height:350px}.hero .intro{padding:0}.hero h1{max-width:620px}.lead{font-size:21px}.band{padding:50px 0}.section-head,.cta-band .wrap,.site-footer .wrap{display:block}.section-head p{margin-top:18px}.section-head .btn{margin-top:22px}.grid.four{grid-template-columns:1fr 1fr}.card-body{padding:20px}.product-card img{height:190px}.demo-bar .wrap{display:block}.demo-bar .wrap>a{display:none}.source{font-size:18px}.detail-grid{gap:30px}.product-hero{padding:18px}.product-hero img{height:340px}.step-nav{grid-template-columns:1fr 1fr}.step-nav a{padding:11px}.form-grid{grid-template-columns:1fr}.proof-row{grid-template-columns:1fr;gap:12px}.experience-hero{padding:30px 0 42px}.answer{padding:24px}.issue{padding:23px}.task{padding:26px}.download-row{align-items:flex-start;flex-direction:column}.preview-screen img{aspect-ratio:1.45}.site-footer .link-list{margin-top:20px}.scope-card{padding:23px}dialog{padding:20px}.site-header{backdrop-filter:none}.table-wrap th,.table-wrap td{padding:14px 12px}}@media(max-width:470px){.grid.four{grid-template-columns:1fr}.home-paths{grid-template-columns:1fr;margin-top:28px}.home-paths a+a{border-left:0;padding:18px 0 0}.hero-photo{min-height:280px}.actions .btn{width:100%}.step-foot{gap:12px}.step-foot .btn{padding:10px 15px}.notice{padding:15px 17px}.brand{font-size:24px}.brand span{font-size:18px;letter-spacing:.05em}.form-grid{gap:17px}.lead{font-size:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{body{font-size:11pt;line-height:1.5;color:#10291e}.site-header,.demo-bar,.site-footer,.actions,.no-print,.step-nav,.step-foot{display:none!important}.wrap{width:100%}.band,.page-top{padding:12px 0}.proposal-step.active{display:block}.print-only{display:block}.scope-card{border:0;padding:0}h1{font-size:25pt}h2{font-size:18pt}h3{font-size:14pt}p,li,td,th,.source,.pill{font-size:11pt}a{color:inherit}.scope-card,.option{break-inside:avoid}.fee-box{background:white;border:1px solid #aaa}input,select,textarea{border:0}.summary{white-space:pre-wrap;font-size:11pt}video{display:none}}
.grid>*,.hero-grid>*,.detail-grid>*{min-width:0} .table-wrap{min-width:0;max-width:100%}

@media print{.scope-card{break-inside:auto}.scope-card [data-scope-current]{display:none}.scope-card .summary{border:0;padding:0;background:white}}
@media print{.scope-card .summary{font-size:10.5pt;line-height:1.4}}

.video-controls{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;margin-top:14px}.video-controls label{min-width:0}.video-controls input{padding:0;border:0;accent-color:var(--green)}.video-controls output{grid-column:1/-1;font-size:18px}@media(max-width:470px){.video-controls{grid-template-columns:1fr}}
