*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FFF9EC;color:#514637;font:16px/1.78 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-wrap:anywhere}body.menu-visible{overflow:hidden}a{color:#475e2d;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:#302718}a:focus-visible,button:focus-visible{outline:3px solid #6A8247;outline-offset:3px}button{font:inherit;cursor:pointer;min-height:44px}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#302718;line-height:1.32}h1{font-size:32px}h2{font-size:25px}h3{font-size:19px}p{margin-bottom:1em}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto;min-width:0;max-width:100%}.site-header{background:#fffdf6;border-bottom:1px solid #E7DCC4}.topline{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#302718;font-size:18px;font-weight:800;line-height:1.15;min-width:0}.brand small{display:block;font-size:10px;letter-spacing:.13em;color:#746651;margin-top:5px;white-space:nowrap}.brand-logo{height:30px;width:auto;max-width:95px;object-fit:contain}.brand-symbol{background:#E9B92F;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:#302718}.desktop-nav,.shortcut{display:flex;flex-wrap:wrap;gap:8px 24px}.desktop-nav a,.shortcut a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none;color:#514637}.shortcut{min-height:42px;align-items:center;gap:10px 26px;border-top:1px solid #E7DCC4}.shortcut a{min-height:40px;font-size:14px}.current{color:#302718!important;font-weight:750;text-decoration:underline;text-decoration-color:#E9B92F;text-decoration-thickness:3px;text-underline-offset:6px}.menu-trigger,.mobile-menu,.menu-shade,.bottom-nav{display:none}.eyebrow{color:#6A8247;font-size:13px;font-weight:750;letter-spacing:.12em}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;align-items:center;padding-block:56px 24px}.hero h1{max-width:12em}.hero p{max-width:610px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 18px;border:1px solid #d9c486;border-radius:10px;text-decoration:none;color:#302718;background:#E9B92F;font-weight:700}.btn.secondary{background:#fff;border-color:#E7DCC4}.hero-image,.feature-image{background:#F7EBCB;border-radius:14px;padding:12px;display:grid;place-items:center;min-width:0}.hero-image img{max-height:300px;width:auto}.image-fallback{width:100%;min-height:125px;background:linear-gradient(130deg,#f7ebcb,#e6d8a8);border:1px solid #e7dcc4;border-radius:12px;padding:20px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;text-align:center;font-weight:750;color:#493b22}.image-fallback span{font-size:12px;letter-spacing:.16em;font-weight:500}.hero-image .image-fallback{min-height:230px}.section{margin-block:56px;min-width:0}.section-title{margin-bottom:18px}.section-intro{max-width:760px}.grid{display:grid;gap:20px;min-width:0}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card,.article-card{background:#fff;border:1px solid #E7DCC4;border-radius:12px;padding:22px;min-width:0}.card h3,.article-card h2{margin-bottom:10px}.card p:last-child,.article-card p:last-child{margin-bottom:0}.card-link{display:inline-flex;min-height:44px;align-items:center;font-weight:700}.card-visual{height:170px;display:grid;place-items:center;background:#F7EBCB;border-radius:10px;margin-bottom:16px;padding:10px}.card-visual img{max-height:150px;width:auto}.card-visual .image-fallback{height:100%;min-height:0}.feature{display:grid;grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr);gap:30px;align-items:center;background:#fff;border:1px solid #E7DCC4;border-radius:14px;padding:24px}.feature-image img{max-height:190px}.feature-image .image-fallback{min-height:170px}.paper{background:#fff;border:1px solid #E7DCC4;border-radius:12px;padding:24px;min-width:0}.paper.muted{background:#F7EBCB}.steps{counter-reset:step}.step{border-left:3px solid #E9B92F;padding:4px 0 8px 22px;margin-bottom:24px}.step h3:before{counter-increment:step;content:'0' counter(step) ' · ';color:#6A8247}.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px;align-items:start}.article-header{padding-top:44px;max-width:790px}.article-header p{font-size:17px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,250px);align-items:start;gap:28px}.article-body{min-width:0}.article-body .article-card{margin-bottom:20px}.article-body p{max-width:75ch}.aside{background:#F7EBCB;border-radius:12px;padding:20px}.aside a{display:block;min-height:40px;padding-block:6px}.related{border-top:1px solid #E7DCC4;padding-top:20px;margin:36px 0 55px}.related a{display:inline-flex;margin:0 14px 8px 0;min-height:44px;align-items:center}.editor-piece{border-left:4px solid #6A8247}.qa h2{font-size:19px}.qa{margin-bottom:14px}.mobile-image{max-height:380px;width:auto;margin:auto}.app-icon{max-height:64px;width:auto}.site-footer{margin-top:48px;padding:42px 0 24px;background:#F7EBCB;border-top:1px solid #E7DCC4}.footer-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-brand{display:inline-flex;align-items:center;gap:10px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer-grid h2{font-size:17px;margin:24px 0 10px}.footer-grid a{display:block;min-height:32px;margin-bottom:4px;color:#514637}.footer-note{font-size:13px;border-top:1px solid #dcccaa;padding-top:18px;margin-top:22px}@media(max-width:900px){.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr)}.aside{display:flex;gap:12px;flex-wrap:wrap}.aside h2{width:100%}}@media(max-width:700px){.container{width:calc(100% - 36px)}.topline{min-height:60px}.brand{font-size:16px}.brand small{font-size:9px}.brand-logo{height:27px}.desktop-nav,.shortcut{display:none}.menu-trigger{display:inline-flex;align-items:center;gap:8px;background:#F7EBCB;border:1px solid #e7dcc4;border-radius:10px;padding:0 12px}.menu-shade:not([hidden]){display:block;position:fixed;inset:60px 0 0;background:#30271880;z-index:70}.mobile-menu:not([hidden]){display:block;position:fixed;top:60px;left:0;right:0;max-height:calc(100dvh - 60px);overflow-y:auto;background:#fff9ec;z-index:80;padding:18px;box-shadow:0 8px 25px #30271830}.menu-head{display:flex;align-items:center;justify-content:space-between}.menu-head button{background:#E9B92F;border:0;border-radius:10px;padding:0 16px}.menu-group{margin-top:12px}.menu-group h2{font-size:15px;margin-bottom:4px;color:#746651}.menu-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px}.menu-links a{min-height:44px;display:flex;align-items:center;text-decoration:none;padding:4px 8px;border-radius:8px}.menu-links .current{background:#F7EBCB}.bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));bottom:0;left:0;right:0;background:#fffdf6;border-top:1px solid #E7DCC4;z-index:30;min-height:56px;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{display:grid;place-items:center;text-decoration:none;min-height:56px;color:#514637;font-size:14px}.bottom-nav a.current{background:#F7EBCB;border-top:3px solid #E9B92F;text-decoration:none}body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}h1{font-size:28px}h2{font-size:22px}.hero{grid-template-columns:minmax(0,1fr);gap:18px;padding-top:34px}.hero-image img{max-height:220px}.hero-image .image-fallback{min-height:160px}.section{margin-block:38px}.grid.two,.grid.three,.split,.feature{grid-template-columns:minmax(0,1fr)}.grid{gap:14px}.card,.article-card,.paper,.feature{padding:17px}.card-visual{height:155px}.card-visual img{max-height:135px}.feature-image img{max-height:170px}.article-header{padding-top:30px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.site-footer{padding-top:30px}.mobile-image{max-height:300px}}@media(max-width:370px){.container{width:calc(100% - 32px)}.brand{font-size:14px}.brand small{font-size:8px}.brand-symbol{width:27px;height:27px}.menu-trigger{padding-inline:9px}.footer-grid{gap:8px}}[hidden]{display:none!important}