:root{--bg:#f6f7f3;--card:#fff;--ink:#15211d;--muted:#66736e;--line:#dde3df;--accent:#1c6b50;--accent2:#dff2e8;--dark:#10251d;--warn:#fff5d9;--danger:#ffe5e5;--shadow:0 14px 35px rgba(17,44,34,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}a{color:inherit}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}.topbar{background:var(--dark);color:#dbe9e3;font-size:.86rem}.topbar .wrap{display:flex;justify-content:space-between;padding:8px 0}.header{position:sticky;top:0;z-index:30;background:rgba(246,247,243,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(210,220,215,.75)}.nav{display:flex;align-items:center;gap:24px;min-height:72px}.brand{text-decoration:none;font-weight:850;font-size:1.45rem;letter-spacing:-.04em}.brand i{font-style:normal;color:var(--accent)}.navlinks{display:flex;gap:18px;margin-left:auto;align-items:center}.navlinks a{text-decoration:none;font-size:.94rem;color:#34453e}.lang{padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:#fff}.hero{padding:76px 0 54px;background:radial-gradient(circle at 80% 15%,#dcefe5 0,transparent 36%),linear-gradient(180deg,#f8faf7,#f1f5f1)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:46px;align-items:center}.eyebrow{display:inline-flex;background:var(--accent2);color:#175b45;padding:7px 11px;border-radius:999px;font-weight:750;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}.hero h1{font-size:clamp(2.5rem,5vw,4.8rem);line-height:.98;letter-spacing:-.055em;margin:18px 0 20px;max-width:820px}.hero p{font-size:1.13rem;color:var(--muted);max-width:720px}.searchbox{display:flex;background:#fff;border:1px solid var(--line);border-radius:16px;padding:7px;box-shadow:var(--shadow);margin-top:28px;max-width:700px}.searchbox input{border:0;outline:0;padding:13px 14px;font-size:1rem;width:100%;background:transparent}.btn{border:0;border-radius:12px;background:var(--accent);color:#fff;padding:12px 18px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.hero-card{background:var(--dark);color:#fff;border-radius:28px;padding:28px;box-shadow:var(--shadow)}.hero-card h3{margin:0 0 15px;font-size:1.25rem}.metric{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}.metric:last-child{border:0}.section{padding:58px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px}.section-head h2{font-size:2rem;letter-spacing:-.04em;margin:0}.section-head p{color:var(--muted);max-width:620px;margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 7px 22px rgba(17,44,34,.04)}.card:hover{transform:translateY(-2px);transition:.2s ease;box-shadow:var(--shadow)}.card a{text-decoration:none}.card .kicker{color:var(--accent);font-size:.77rem;text-transform:uppercase;font-weight:850;letter-spacing:.06em}.card h3{font-size:1.22rem;line-height:1.25;margin:8px 0}.card p{color:var(--muted);margin:0}.tools{background:var(--dark);color:white}.tools .section-head p{color:#b9c8c2}.tool-card{background:#17352a;border-color:#28513f}.tool-card p{color:#c8d6d0}.topic-pills{display:flex;gap:10px;flex-wrap:wrap}.pill{padding:9px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;text-decoration:none;font-size:.9rem}.content-wrap{width:min(1040px,calc(100% - 36px));margin:auto}.article-hero{padding:58px 0 35px;border-bottom:1px solid var(--line)}.breadcrumbs{font-size:.85rem;color:var(--muted)}.article-hero h1{font-size:clamp(2.2rem,4.4vw,4rem);letter-spacing:-.05em;line-height:1.05;margin:16px 0}.lede{font-size:1.16rem;color:var(--muted);max-width:820px}.meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.86rem;color:var(--muted);margin-top:18px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:42px;padding:36px 0 70px}.prose{font-size:1.02rem}.prose section{margin:0 0 34px}.prose h2{font-size:1.72rem;line-height:1.2;letter-spacing:-.035em;margin:0 0 13px}.prose h3{font-size:1.25rem}.prose p{margin:0 0 16px}.prose ul{padding-left:1.3em}.prose li{margin:7px 0}.table-wrap{overflow:auto;margin:18px 0}table{border-collapse:collapse;width:100%;background:#fff;border-radius:14px;overflow:hidden}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#edf4f0;font-size:.88rem}.sidebar{position:sticky;top:94px;height:max-content}.sidebox{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;margin-bottom:16px}.sidebox h4{margin:0 0 10px}.sidebox a{display:block;text-decoration:none;padding:7px 0;color:#375148}.ad-placeholder,.ad-unit{border:1px dashed #b5c3bd;background:#f8faf8;border-radius:16px;min-height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#66736e;margin:26px 0;padding:18px}.ad-placeholder span{font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem}.ad-placeholder small{margin-top:6px;max-width:300px}.faq{border-top:1px solid var(--line);padding-top:24px}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin:10px 0;padding:14px 16px}.faq summary{cursor:pointer;font-weight:800}.sources{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:24px}.sources a{color:var(--accent)}.footer{background:#0d1d17;color:#c9d5d0;padding:44px 0}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:30px}.footer h4{color:#fff;margin-top:0}.footer a{display:block;color:#c9d5d0;text-decoration:none;margin:8px 0}.footer-note{border-top:1px solid #274037;margin-top:32px;padding-top:20px;color:#91a49c;font-size:.84rem}.calc{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow)}.calc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-weight:800;font-size:.88rem;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid #cdd7d2;border-radius:10px;background:#fff;font:inherit}.result{background:var(--accent2);border-radius:18px;padding:20px;margin-top:20px}.result strong{font-size:1.6rem}.notice{padding:14px 16px;border-radius:13px;background:var(--warn);border:1px solid #f0d998;margin:16px 0}.admin{padding:32px 0}.admin-grid{display:grid;grid-template-columns:220px 1fr;gap:24px}.adminnav{background:#10251d;color:#fff;border-radius:18px;padding:16px;height:max-content;position:sticky;top:90px}.adminnav a{display:block;text-decoration:none;padding:9px 10px;border-radius:8px}.adminnav a:hover{background:#1f4436}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{background:#f4f7f5;border-radius:14px;padding:16px}.stat b{display:block;font-size:1.8rem}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;background:#e6eee9;font-size:.76rem;font-weight:800}.badge.good{background:#dff2e8;color:#145c42}.badge.warn{background:#fff0c7;color:#7b5a00}.actions{display:flex;gap:8px;flex-wrap:wrap}.mini{font-size:.8rem;padding:7px 10px;border-radius:8px}.login{width:min(440px,calc(100% - 36px));margin:90px auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}@media(max-width:900px){.hero-grid,.article-layout,.admin-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.hero-card{display:none}.sidebar,.adminnav{position:static}.footer-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}}@media(max-width:620px){.wrap,.content-wrap{width:min(100% - 24px,1180px)}.navlinks a:not(.lang){display:none}.grid,.calc-grid,.footer-grid,.stats{grid-template-columns:1fr}.hero{padding-top:44px}.hero h1{font-size:2.65rem}.section{padding:40px 0}.article-hero{padding-top:38px}.article-layout{gap:20px}}
.visual-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;margin:0 0 28px;box-shadow:0 10px 28px rgba(17,44,34,.055)}.visual-card svg{display:block;width:100%;height:auto;border-radius:16px}.visual-card figcaption{font-size:.82rem;color:var(--muted);padding:10px 4px 2px}.hero-visual{padding:0;overflow:hidden}.hero-visual figcaption{padding:10px 14px 12px}.visual-title{font-weight:850;font-size:1rem;padding:4px 4px 12px}.bar-chart{display:grid;gap:14px;padding:3px 3px 8px}.bar-label{display:flex;justify-content:space-between;gap:14px;font-size:.88rem}.bar-track{height:13px;background:#edf2ef;border-radius:999px;overflow:hidden;margin-top:5px}.bar-track i{display:block;height:100%;background:linear-gradient(90deg,#2c7b5b,#70ad8f);border-radius:999px}.answer-box{background:#112b21;color:#fff;border-radius:22px;padding:22px;margin:0 0 30px}.answer-box>span{display:block;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;color:#a7c9ba;font-weight:800}.answer-box>strong{display:block;font-size:clamp(1.65rem,3vw,2.3rem);margin:4px 0}.answer-box p{margin:0;color:#d5e3dd}.source-card{background:#f7faf8;border:1px solid var(--line);border-radius:18px;padding:20px!important}.source-card h2{font-size:1.35rem!important}.ad-unit{border:1px solid #dce3df;background:#fff;border-radius:16px;min-height:140px;margin:34px 0;padding:10px}.ad-label{text-align:center;color:#8a9691;text-transform:uppercase;font-size:.65rem;letter-spacing:.09em;margin-bottom:8px}.filter-block{margin:26px 0}.filter-block>strong{display:block;margin-bottom:9px}.guide-card .mini-house{height:82px;background:#edf4ef;border-radius:14px;margin:-6px -6px 14px;display:flex;align-items:center;justify-content:center}.guide-card .mini-house svg{height:72px;width:100px}.guide-card .visual-card{display:none}.prose .visual-card+ h2{margin-top:40px}@media(max-width:620px){.visual-card{border-radius:16px}.bar-label{font-size:.8rem}.answer-box{border-radius:16px}}

/* V5 high-intent editorial clusters */
.editorial-visual{margin:0 0 28px;padding:22px;border:1px solid var(--line,#dce5df);border-radius:20px;background:linear-gradient(180deg,#f8fbf9,#fff);overflow:hidden}.editorial-visual svg{width:100%;height:auto;display:block}.editorial-visual .visual-title{font-weight:750;margin-bottom:10px}.v5-circle{fill:#e8f5ee;stroke:#2f7d57;stroke-width:2}.v5-line{stroke:#9bb8a8;stroke-width:3;stroke-dasharray:7 7}.v5-icon{font-size:24px;font-weight:800;fill:#234b39}.v5-label{font-size:12px;fill:#344b41}.editorial-visual figcaption{font-size:12px;color:#6d7c75;margin-top:6px}.decision-box,.yml-note{border-left:4px solid #2f7d57;background:#f4faf6;padding:16px 18px;border-radius:0 14px 14px 0;margin:18px 0}.decision-box ul,.checklist{margin-bottom:0}.yml-note p{margin:6px 0 0}.ad-unit{margin:36px 0;padding:14px 0;border-top:1px solid #e7ece9;border-bottom:1px solid #e7ece9;min-height:90px}.ad-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#839188;margin-bottom:8px}.ad-horizontal{min-height:110px}.navlinks{flex-wrap:wrap;row-gap:8px}.sources a{overflow-wrap:anywhere}@media(max-width:800px){.v5-label{font-size:10px}.navlinks a:nth-child(4),.navlinks a:nth-child(5){display:none}}

/* V5.2 AdSense sizing + empty-slot cleanup */
.ad-unit{display:block!important;width:100%!important;max-width:100%;align-items:stretch!important;justify-content:initial!important;overflow:visible;min-height:110px;}
.ad-unit .adsbygoogle{display:block!important;width:100%!important;max-width:100%;min-width:250px;min-height:90px;}
.ad-unit .ad-label{visibility:hidden;text-align:center;}
.ad-unit.ad-filled .ad-label{visibility:visible;}
.ad-unit.ad-unfilled{display:none!important;margin:0!important;padding:0!important;border:0!important;min-height:0!important;}
@media(max-width:300px){.ad-unit .adsbygoogle{min-width:0;}}

/* V10: interactive project checklist + editorial transparency */
.pf-action-lab{margin:42px 0 34px;padding:26px;background:linear-gradient(145deg,#ffffff,#f2f8f4);border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 32px rgba(17,44,34,.07)}
.pf-lab-head{display:flex;justify-content:space-between;gap:22px;align-items:flex-start;margin-bottom:20px}.pf-lab-head h2{margin:10px 0 8px!important}.pf-lab-head p{margin:0;color:var(--muted);max-width:720px}.pf-lab-badge{white-space:nowrap;background:var(--dark);color:#fff;border-radius:999px;padding:8px 12px;font-size:.78rem;font-weight:800}
.pf-lab-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.pf-lab-grid label{display:block}.pf-lab-grid label>span{display:block;font-size:.82rem;font-weight:850;margin:0 0 6px}.pf-lab-grid select,.pf-lab-grid input{width:100%;padding:11px 12px;border:1px solid #cdd7d2;border-radius:11px;background:#fff;font:inherit;color:var(--ink)}
.pf-lab-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.pf-lab-output{display:none;margin-top:20px;background:#10251d;color:#fff;border-radius:18px;padding:20px}.pf-lab-output.is-ready{display:block}.pf-lab-output h3{margin:0 0 8px;color:#fff}.pf-lab-output p{color:#cbd9d3}.pf-lab-output ol{margin:12px 0 0;padding-left:1.25rem}.pf-lab-output li{margin:8px 0}.pf-lab-output .pf-summary{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.pf-lab-output .pf-chip{display:inline-flex;padding:5px 9px;background:#1b3a2f;border:1px solid #315748;border-radius:999px;font-size:.76rem;color:#dce8e3}
.pf-editorial-strip{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:14px;align-items:center;margin-top:20px;padding:14px 16px;border-radius:14px;background:#eef6f1;border:1px solid #d5e4da}.pf-editorial-strip strong,.pf-editorial-strip span{display:block}.pf-editorial-strip span{font-size:.82rem;color:var(--muted);margin-top:3px}.pf-editorial-strip a{font-size:.82rem;font-weight:800;color:var(--accent);text-decoration:none}.pf-lab-note{font-size:.76rem!important;color:#7a8781!important;margin:12px 0 0!important}.pf-home-lab{padding-top:10px}.pf-home-lab .pf-action-lab{margin-top:0}
.pf-reading-progress{position:fixed;left:0;top:0;height:3px;background:var(--accent);width:0;z-index:100;pointer-events:none;transition:width .08s linear}
@media(max-width:760px){.pf-lab-grid{grid-template-columns:1fr}.pf-lab-head{display:block}.pf-lab-badge{display:inline-flex;margin-top:10px}.pf-editorial-strip{grid-template-columns:1fr}.pf-lab-actions .btn{flex:1 1 45%}}
@media print{.header,.topbar,.footer,.ad-unit,.ss,.pf-lab-actions,.pf-reading-progress{display:none!important}.pf-action-lab{box-shadow:none;border:1px solid #bbb}.pf-lab-output{display:block!important;background:#fff!important;color:#000!important}.pf-lab-output p,.pf-lab-output .pf-chip{color:#000!important}}

/* PFlower V11 — answer-first research layer */
.pf-ai-answer{margin:28px 0;padding:26px;border:1px solid #d8e1e7;border-radius:20px;background:linear-gradient(180deg,#fbfdfd 0%,#f4f8f7 100%);box-shadow:0 10px 30px rgba(18,48,62,.05)}
.pf-ai-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.pf-ai-head h2{margin:4px 0 0}.pf-ai-reviewed{border-left:3px solid #d5aa52;padding-left:14px;min-width:150px}.pf-ai-reviewed span{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#657781}.pf-ai-reviewed b{display:block;margin-top:4px}.pf-ai-question{margin:22px 0 8px;font-size:1.08rem;color:#1c3440}.pf-ai-answer-text{font-size:1.05rem;line-height:1.72}.pf-ai-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:20px 0}.pf-ai-facts>div{border:1px solid #dae3e8;background:#fff;border-radius:14px;padding:14px}.pf-ai-facts span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#6b7d86}.pf-ai-facts b{display:block;margin-top:6px;font-size:1rem}.pf-ai-verify{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:18px 0}.pf-ai-verify>span{font-size:10px;letter-spacing:.09em;font-weight:800;color:#687a84}.pf-ai-verify a{border:1px solid #d8e1e7;border-radius:999px;padding:7px 10px;background:#fff;font-size:.85rem;text-decoration:none}.pf-ai-change{border-top:1px solid #d8e1e7;border-bottom:1px solid #d8e1e7;padding:14px 0;margin-top:10px}.pf-ai-change summary{cursor:pointer;font-weight:800}.pf-ai-change ul{margin-bottom:0}.pf-ai-boundary{font-size:.86rem;color:#657781;margin:16px 0 0}
.pf-ai-tools{margin:30px 0}.pf-ai-tools-head{max-width:760px}.pf-tool-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}.pf-tool-card{display:block;border:1px solid #d8e1e7;border-radius:16px;padding:16px;background:#fff;text-decoration:none;color:inherit;transition:.2s transform,.2s box-shadow}.pf-tool-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(18,48,62,.08)}.pf-tool-card strong,.pf-tool-card span{display:block}.pf-tool-card span{margin-top:7px;color:#657781;font-size:.9rem}
.pf-calculator{border:1px solid #d8e1e7;border-radius:20px;padding:24px;background:#fff;box-shadow:0 10px 28px rgba(18,48,62,.05)}.pf-calc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.pf-calc-grid label,.pf-ready-list label{display:flex;flex-direction:column;gap:7px;font-weight:700}.pf-calc-grid input[type=number],.pf-calc-grid select{width:100%;padding:12px;border:1px solid #cfdbe1;border-radius:10px;background:#fff}.pf-calc-grid input[type=range]{width:100%}.pf-calc-grid output{font-weight:800}.pf-ready-list{display:grid;gap:10px}.pf-ready-list label{flex-direction:row;align-items:center;border:1px solid #d8e1e7;border-radius:12px;padding:13px}.pf-ready-list input{width:20px;height:20px}.pf-calc-result{margin:22px 0;padding:20px;border-radius:16px;background:#102f41;color:#fff}.pf-calc-result span,.pf-calc-result small{display:block}.pf-calc-result b{display:block;font-size:2rem;margin:6px 0}.pf-calc-result small{opacity:.82}.pf-calculator .pf-lab-actions{margin-top:14px}
@media(max-width:900px){.pf-ai-head{display:block}.pf-ai-reviewed{margin-top:14px}.pf-ai-facts,.pf-tool-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.pf-calc-grid{grid-template-columns:1fr}}
@media(max-width:560px){.pf-ai-answer,.pf-calculator{padding:18px}.pf-ai-facts,.pf-tool-cards{grid-template-columns:1fr}.pf-calc-result b{font-size:1.55rem}}
@media print{.pf-ai-tools,.pf-lab-actions,.nav,.topbar,.footer,.adsense-box{display:none!important}.pf-ai-answer,.pf-calculator{box-shadow:none}}