:root{--ink:#172d34;--muted:#59696d;--accent:#136f63;--paper:#fafaf6;--tint:#f0f3ec;--line:#dce2da;--width:1160px}*{box-sizing:border-box}html{scroll-behavior:auto}body{background:var(--paper);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}p{margin:0 0 1.2rem}h1,h2,h3{letter-spacing:-.025em;margin:0;font-weight:650;line-height:1.4}h1{font-size:clamp(2.3rem,5vw,4rem)}h2{font-size:clamp(1.6rem,3vw,2.3rem)}h3{font-size:1.1rem}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a:hover{color:var(--accent)}.container{width:min(var(--width),calc(100% - 64px));margin:auto}.preview-bar{text-align:center;background:var(--ink);color:#fff;padding:6px 12px;font-size:.875rem}.site-header{border-bottom:1px solid var(--line)}.header-inner{justify-content:space-between;align-items:center;gap:32px;min-height:100px;display:flex}.wordmark{letter-spacing:.04em;font-size:1.5rem;font-weight:750}.wordmark span{letter-spacing:.16em;color:var(--muted);font-size:.7rem;line-height:1.3;display:block}nav{gap:32px;font-size:.95rem;display:flex}nav a[aria-current=page]{color:var(--accent);border-bottom:2px solid var(--accent)}.skip-link{z-index:10;background:#fff;padding:10px;position:absolute;top:-100px}.skip-link:focus{top:0}.hero{grid-template-columns:1.55fr 1fr;align-items:center;gap:80px;padding-top:85px;padding-bottom:90px;display:grid}.eyebrow{letter-spacing:.08em;color:var(--accent);margin-bottom:18px;font-size:.875rem;font-weight:650}.hero h1 span{color:var(--accent)}.hero-copy{max-width:570px;color:var(--muted);margin-top:28px;font-size:1.125rem}.hero-actions{flex-wrap:wrap;align-items:center;gap:26px;margin-top:32px;display:flex}.button{background:var(--ink);border:1px solid var(--ink);align-items:center;gap:32px;padding:13px 23px;font-size:.95rem;display:inline-flex;color:#fff!important}.button:hover{background:var(--accent);border-color:var(--accent)}.text-link{color:var(--accent);font-size:.95rem;font-weight:600}.hero-note{border-top:3px solid var(--accent);background:var(--tint);padding:38px 38px 32px}.note-label{letter-spacing:.1em;color:var(--muted);font-size:.8rem}.hero-note p{margin-top:24px;margin-bottom:22px;font-size:1.65rem;line-height:1.7}.note-rule{background:var(--line);height:1px;margin-bottom:22px}.hero-note>span:last-child{color:var(--muted);font-size:.95rem}.section{border-top:1px solid var(--line);padding-top:76px;padding-bottom:76px}.section-tint{background:var(--tint)}.two-column{grid-template-columns:1fr 1.6fr;gap:70px;display:grid}.explanation{font-size:1.05rem}.section-intro{max-width:340px;color:var(--muted);margin-top:22px}.question-list{margin:0;padding:0;list-style:none}.question-list li{border-bottom:1px solid var(--line);align-items:center;gap:22px;padding:20px 0;display:flex}.question-list li:first-child{padding-top:0}.question-list span,.article-number{color:var(--accent);font-variant-numeric:tabular-nums;font-size:.875rem}.question-list h3{font-weight:550}.section-heading{justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px;display:flex}.workflow{grid-template-columns:repeat(4,1fr);gap:0;margin:32px 0 0;padding:0;list-style:none;display:grid}.workflow li{border-top:1px solid var(--line);min-height:128px;padding:20px 20px 26px 0;position:relative}.workflow li>span:first-child{color:var(--accent);margin-bottom:10px;font-size:.8rem;display:block}.workflow h3{padding-right:20px;font-size:1rem}.step-arrow{color:var(--muted);position:absolute;top:52px;right:20px}.fine-print{color:var(--muted);margin:16px 0 0;font-size:.9rem}.audiences{flex-wrap:wrap;gap:12px;margin-bottom:24px;display:flex}.audiences span{background:var(--paper);border:1px solid #c7d2c6;padding:10px 20px;font-size:1rem}.muted{color:var(--muted)}.article-list{grid-template-columns:1fr 1fr;gap:0 44px;display:grid}.article-card{border-top:1px solid var(--line);gap:24px;padding:28px 0;display:flex}.article-card h3{margin-bottom:14px;font-size:1.25rem;line-height:1.6}.article-card p{color:var(--muted);margin-bottom:14px;font-size:.95rem}.article-card:last-child:nth-child(odd){grid-column:1/-1;max-width:780px}.read-link{color:var(--accent);font-size:.9rem}.contact-callout{background:var(--ink);color:#fff;justify-content:space-between;align-items:center;gap:35px;padding:44px 48px;display:flex}.contact-callout .eyebrow{color:#9cc5b8}.contact-callout p:last-child{color:#d3dfdb;margin-top:16px;margin-bottom:0}.button-light{white-space:nowrap;background:0 0;border-color:#849c95}.section-bottom{padding-bottom:80px}.site-footer{border-top:1px solid var(--line);padding:40px 0}.footer-inner{justify-content:space-between;align-items:start;gap:35px;font-size:.9rem;display:flex}.footer-inner p{margin-bottom:5px}.footer-brand{font-size:1.1rem;font-weight:700}.page-header{padding-top:70px;padding-bottom:58px}.page-header h1{max-width:900px;font-size:clamp(2rem,4vw,3.1rem)}.page-header>p:last-child{max-width:720px;color:var(--muted);margin-top:24px}.deliverables{grid-template-columns:repeat(3,1fr);gap:35px;display:grid}.deliverables>div{border-top:1px solid var(--line);padding-top:20px}.deliverables h3{margin:16px 0 12px}.deliverables p{color:var(--muted);font-size:.95rem}.checklist{margin-top:0;padding-left:22px}.checklist li{margin-bottom:12px}.empty-state{border:1px solid var(--line);background:var(--tint);padding:32px}.empty-state a{color:var(--accent)}.contact-panel{max-width:900px}.contact-panel>div,.contact-panel dl{background:var(--tint);margin:0;padding:40px}.contact-panel h2{margin-bottom:20px}.contact-panel dl>div{border-bottom:1px solid var(--line);grid-template-columns:130px 1fr;padding:15px 0;display:grid}.contact-panel dd{overflow-wrap:anywhere;margin:0}.error-page{min-height:60vh}.article-page{max-width:850px;padding-top:36px;padding-bottom:80px}.breadcrumb{color:var(--muted);gap:12px;margin-bottom:35px;font-size:.9rem}.article-header h1{font-size:clamp(1.9rem,3.5vw,2.7rem)}.article-summary{border-left:3px solid var(--accent);background:var(--tint);margin:28px 0 40px;padding:12px 22px;font-size:1.05rem}.prose{overflow-wrap:anywhere;font-size:1.05rem}.prose h2{margin:42px 0 20px;font-size:1.65rem}.prose h3{margin:27px 0 12px;font-size:1.15rem}.prose a{color:var(--accent);text-underline-offset:4px;text-decoration:underline}.prose ul,.prose ol{padding-left:25px}.prose li{margin-bottom:10px}.prose table{border-collapse:collapse;width:100%;margin:25px 0;font-size:.92rem;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;border:1px solid var(--line);min-width:120px;padding:12px 14px}.prose th{background:var(--tint)}.prose p{margin-bottom:1.25rem}@media (width<=800px){.container{width:calc(100% - 40px)}.header-inner{flex-wrap:wrap;gap:14px;min-height:95px;padding:18px 0}nav{flex-wrap:wrap;gap:20px;font-size:.9rem}.hero{grid-template-columns:1fr;gap:40px;padding:55px 0}.hero-note{max-width:550px}.two-column{grid-template-columns:1fr;gap:28px}.section{padding:48px 0}.workflow{grid-template-columns:repeat(2,1fr)}.article-list{grid-template-columns:1fr}.article-card:last-child:nth-child(odd){grid-column:auto}.contact-callout{flex-direction:column;align-items:start;padding:30px}.section-heading{flex-direction:column;align-items:start;gap:20px}.deliverables{grid-template-columns:1fr 1fr}.footer-inner{flex-direction:column;gap:20px}.page-header{padding-top:48px;padding-bottom:40px}.section-bottom{padding-bottom:50px}.article-page{padding-top:25px}.hero-copy{font-size:1.05rem}.prose{font-size:1rem}}@media (width<=420px){.container{width:calc(100% - 32px)}.wordmark{font-size:1.3rem}nav{gap:13px;font-size:.875rem}.hero h1{font-size:2.4rem}.hero-note{padding:25px}.deliverables{grid-template-columns:1fr}.contact-panel>div,.contact-panel dl{padding:24px}.contact-panel dl>div{grid-template-columns:1fr}.workflow h3{font-size:.95rem}.article-card{gap:16px}.article-card h3{font-size:1.1rem}}