.commercial-experiment{margin:28px 0;padding:18px 22px;border:1px solid #d8cbaa;border-radius:16px;background:#fffaf0;color:#4e4739}.commercial-experiment span{font-size:12px;font-weight:800;letter-spacing:.08em}.commercial-experiment p{margin:8px 0}.commercial-experiment a{font-weight:800;color:#5a4a20}:root{--paper:#f4f3ed;--surface:#fffefa;--ink:#18221e;--muted:#69756f;--line:#dce1da;--green:#1f6b4f;--green-2:#2d8a67;--soft:#dcece3;--amber:#a66824;--amber-soft:#f6ead6;--shadow:0 20px 60px rgba(24,44,35,.09);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}a{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{height:72px;position:sticky;top:0;z-index:20;background:rgba(255,254,250,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.header-inner{height:100%;max-width:1360px;margin:auto;padding:0 28px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:.04em;white-space:nowrap}.brand em{font-style:normal;color:var(--green)}.brand-mark{width:34px;height:34px;border-radius:12px 12px 15px 15px;background:var(--green);display:block;box-shadow:inset 0 -5px rgba(0,0,0,.08)}.site-nav{display:flex;gap:22px;font-size:13px;color:#46514d}.mobile-navigation{display:none;position:relative}.mobile-navigation summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;place-items:center;background:#fff}.mobile-navigation summary::-webkit-details-marker{display:none}.mobile-nav-links{position:absolute;z-index:20;top:48px;right:0;width:min(340px,calc(100vw - 36px));display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;background:#fff;padding:14px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.mobile-nav-links a{padding:9px 10px;border-radius:8px;text-decoration:none}.mobile-nav-links a:hover,.mobile-nav-links a:focus-visible{background:var(--soft)}.site-nav a{text-decoration:none;white-space:nowrap}.site-nav a:hover,.site-nav a:focus{color:var(--green)}.header-search{margin-left:auto;min-width:180px;height:40px;border:1px solid var(--line);border-radius:999px;background:#f8f8f4;display:flex;align-items:center;gap:9px;padding:0 15px;color:var(--muted);font-size:13px;text-decoration:none}.menu-button{display:none;background:none;border:0;font-size:22px;padding:7px}.hero{max-width:1360px;margin:0 auto;padding:84px 28px 58px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:78px;align-items:center}.eyebrow{color:var(--green);text-transform:uppercase;letter-spacing:.15em;font-size:12px;font-weight:900;margin:0 0 14px}.hero h1{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(46px,4.3vw,72px);line-height:1.16;letter-spacing:-.035em;margin:0 0 25px}.hero h1 span{color:var(--green)}.hero-intro{font-size:17px;color:#52605a;max-width:690px;margin:0 0 30px}.search-box{height:58px;max-width:690px;background:#fff;border:1px solid #d6ddd7;box-shadow:0 13px 38px rgba(26,44,36,.09);border-radius:16px;display:flex;align-items:center;padding:6px 7px 6px 18px}.search-box>span{font-size:22px;color:var(--green)}.search-box input{flex:1;border:0;background:transparent;padding:0 13px;font:inherit;font-size:15px;min-width:0}.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(31,107,79,.18)}.search-box input:focus-visible{outline:2px solid var(--green);outline-offset:2px}.search-box button{height:44px;border:0;border-radius:11px;background:var(--green);color:#fff;font-weight:800;padding:0 24px;cursor:pointer}.search-hint{font-size:12px;color:#7a847f;margin:11px 5px}.trust-panel{background:var(--green);color:#fff;padding:34px;border-radius:30px;box-shadow:0 28px 70px rgba(20,75,53,.2);position:relative;overflow:hidden}.trust-panel:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-100px;top:-100px}.trust-orbit{height:80px;width:80px;border:1px solid rgba(255,255,255,.3);border-radius:50%;display:grid;place-items:center;position:relative;margin-bottom:22px}.trust-orbit:before,.trust-orbit:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.16);inset:-10px}.trust-orbit:after{inset:13px}.trust-orbit span{width:38px;height:38px;border-radius:50%;background:#f0c47a;color:#274537;display:grid;place-items:center;font-weight:900}.trust-orbit i{position:absolute;width:6px;height:6px;border-radius:50%;background:#8fd3b3}.trust-orbit i:nth-child(1){top:-3px}.trust-orbit i:nth-child(2){right:3px;bottom:8px}.trust-orbit i:nth-child(3){left:-2px;bottom:18px}.trust-panel h2{font:800 25px "Noto Serif SC","Songti SC",serif;margin:0 0 20px}.trust-panel ul{list-style:none;margin:0;padding:0}.trust-panel li{display:flex;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,.15)}.trust-panel li>span{font:700 11px ui-monospace,monospace;color:#a8d9c2;margin-top:3px}.trust-panel li div{display:flex;flex-direction:column}.trust-panel strong{font-size:14px}.trust-panel small{color:#c5ded2;font-size:12px;margin-top:2px}.home-section{max-width:1360px;margin:0 auto;padding:64px 28px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}.section-head h2,.revision-copy h2{font:800 33px/1.25 "Noto Serif SC","Songti SC",serif;margin:0}.section-head>a,.section-head>p{color:var(--muted);font-size:13px;text-decoration:none}.section-head>a{font-weight:800;color:var(--green)}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.knowledge-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:38% 1fr;min-height:310px;box-shadow:0 10px 35px rgba(25,42,35,.04)}.card-visual{position:relative;background:linear-gradient(145deg,#d5e8de,#98c3ad);display:grid;place-items:center;min-height:270px;overflow:hidden;text-decoration:none}.card-visual:after{content:"";position:absolute;inset:18%;border:1px solid rgba(255,255,255,.5);border-radius:50%}.card-visual img{width:100%;height:100%;object-fit:cover}.card-visual>span{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.9);border-radius:999px;padding:5px 10px;font-size:11px;font-weight:800;color:var(--green);z-index:2}.visual-2{background:linear-gradient(145deg,#e8d8ba,#bd8f50)}.visual-icon{font:800 44px ui-monospace,monospace;color:#fff;z-index:1}.card-body{padding:28px 28px 24px;display:flex;flex-direction:column}.card-meta{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 14px;color:#78837d;font-size:11px}.card-meta span:first-child{color:var(--green);font-weight:900}.card-body h3{font:800 22px/1.42 "Noto Serif SC","Songti SC",serif;margin:0 0 12px}.card-body h3 a{text-decoration:none}.card-body>p:not(.card-meta){color:#53605a;font-size:14px;margin:0}.read-link{margin-top:auto;padding-top:18px;color:var(--green);font-size:13px;font-weight:900;text-decoration:none}.honest-empty{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}.honest-empty p{margin:.4rem 0 0;color:var(--muted)}.category-section{padding-top:76px}.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:13px}.category-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 18px;min-height:235px;display:flex;flex-direction:column}.category-card:target{outline:3px solid rgba(31,107,79,.2);outline-offset:3px}.category-icon{width:42px;height:42px;border-radius:13px;background:var(--soft);color:var(--green);display:grid;place-items:center;font:900 19px ui-monospace,monospace;margin-bottom:18px}.category-card h3{font-size:16px;margin:0 0 8px}.category-card p{font-size:12px;color:var(--muted);margin:0 0 17px}.category-card a,.category-state{margin-top:auto;font-size:11px;text-decoration:none;color:var(--green);font-weight:800}.category-state{color:#8a948e;font-weight:600}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.topic-count{float:right;border-radius:999px;background:var(--soft);color:var(--green);font-size:11px;font-weight:800;padding:5px 10px}.topic-card h3{font:800 24px "Noto Serif SC","Songti SC",serif;margin:0 0 18px}.topic-card ol{list-style:none;margin:0;padding:0}.topic-card li{border-top:1px solid var(--line)}.topic-card li a{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;padding:13px 0;text-decoration:none}.topic-card li span{width:24px;height:24px;border-radius:50%;background:var(--paper);display:grid;place-items:center;font-size:11px}.topic-card li strong{font-size:13px}.topic-card li small{color:var(--muted)}.revision-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}.revision-copy>p:not(.eyebrow){color:var(--muted);max-width:470px}.revision-copy>a{display:inline-block;color:var(--green);font-weight:900;font-size:13px;text-decoration:none;margin-top:10px}.revision-card{background:var(--amber-soft);border:1px solid #ead4af;border-radius:var(--radius);padding:28px}.revision-card>p{display:flex;justify-content:space-between;color:var(--amber);font-size:11px;font-weight:900}.revision-card h3{font:800 21px "Noto Serif SC","Songti SC",serif}.revision-card blockquote{margin:16px 0;padding-left:16px;border-left:3px solid #c78a3b;color:#66533c}.revision-card>a{font-size:12px;font-weight:900;color:#7b4a16}.standards-strip{max-width:1304px;margin:45px auto 70px;padding:28px 30px;border-radius:var(--radius);background:#e4eee8;display:grid;grid-template-columns:auto 1fr auto;gap:25px;align-items:center}.standards-strip strong{font:800 18px "Noto Serif SC","Songti SC",serif}.standards-strip p{font-size:13px;color:#52645b;margin:0}.standards-strip span,.standards-link{font-size:11px;color:var(--green);font-weight:900}.standards-link{text-decoration:none}.site-footer{border-top:1px solid var(--line);background:#ebeae4;padding:34px max(28px,calc((100vw - 1304px)/2));display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.site-footer>div{display:flex;gap:15px;align-items:center}.site-footer strong{color:var(--ink);font-size:15px}.site-footer p{margin:0}@media(max-width:1120px){.site-nav{display:none}.mobile-navigation{display:block;margin-left:auto}.mobile-navigation summary{display:grid}.header-search{margin-left:0}.hero{grid-template-columns:1fr;gap:38px}.trust-panel{max-width:760px}.category-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:720px){.site-header{height:62px}.header-inner{padding:0 16px;gap:12px}.brand-mark{width:30px;height:30px}.header-search{min-width:40px;width:40px;padding:0;justify-content:center}.header-search span:last-child{display:none}.hero{padding:48px 18px 34px}.hero h1{font-size:39px}.hero-intro{font-size:15px}.search-box{height:54px}.search-box button{padding:0 15px}.trust-panel{padding:27px;border-radius:24px}.home-section{padding:46px 18px}.section-head{align-items:start;flex-direction:column;margin-bottom:21px}.section-head h2,.revision-copy h2{font-size:27px}.knowledge-grid{grid-template-columns:1fr}.knowledge-card{grid-template-columns:1fr}.card-visual{min-height:190px}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card{min-height:220px}.topic-grid{grid-template-columns:1fr}.topic-card li a{grid-template-columns:28px 1fr}.topic-card li small{display:none}.revision-section{grid-template-columns:1fr;gap:24px}.standards-strip{margin:30px 18px 50px;grid-template-columns:1fr;gap:7px}.site-footer{padding:28px 18px;align-items:flex-start;flex-direction:column;gap:14px}.site-footer>div{align-items:flex-start;flex-direction:column;gap:3px}}@media(max-width:390px){.category-grid{grid-template-columns:1fr}.hero h1{font-size:35px}.search-box input{font-size:13px}.search-hint{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.search-page{max-width:1120px;margin:0 auto;padding:72px 28px}.search-hero{padding-bottom:50px}.search-hero h1{font:800 clamp(38px,4vw,58px)/1.2 "Noto Serif SC","Songti SC",serif;margin:0 0 26px}.search-results{padding:20px 0 60px}.search-list{display:grid;gap:15px}.search-list article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 26px}.search-list article>p{display:flex;gap:12px;margin:0 0 10px;color:var(--green);font-size:11px;font-weight:800}.search-list h3{font:800 21px/1.4 "Noto Serif SC","Songti SC",serif;margin:0 0 9px}.search-list h3 a{text-decoration:none}.search-list article>div{color:#53605a;font-size:14px}.search-list article>a{display:inline-block;margin-top:15px;color:var(--green);font-size:12px;font-weight:900;text-decoration:none}.pager{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:28px;font-size:13px}.pager a{color:var(--green);font-weight:900}@media(max-width:720px){.search-page{padding:45px 18px}.search-hero{padding-bottom:30px}.search-hero h1{font-size:34px}.search-list article{padding:21px}.search-list article>p{flex-wrap:wrap}}
.task-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.task-guide-card{background:linear-gradient(145deg,#0f503c,#207157);border-radius:22px;padding:28px;color:#fff;box-shadow:0 14px 34px rgba(25,78,60,.14)}.task-guide-card>span{display:inline-flex;background:rgba(255,255,255,.14);border-radius:999px;padding:5px 9px;color:#d9eee6;font-size:11px;font-weight:800}.task-guide-card h3{font:800 26px/1.35 "Noto Serif SC","Songti SC",serif;margin:16px 0 10px}.task-guide-card h3 a{color:#fff;text-decoration:none}.task-guide-card p{color:#d7ebe3;line-height:1.7;margin:0;word-break:keep-all;overflow-wrap:anywhere}.task-guide-card>a{display:inline-flex;margin-top:18px;color:#fff;font-weight:900;text-decoration:none}@media(max-width:720px){.task-guide-grid{grid-template-columns:1fr}.task-guide-card{padding:23px}.task-guide-card h3{font-size:22px}}
