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*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--light);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{outline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #42ab92}img{display:block;max-width:100%;height:auto}::selection{background:#b4edda;color:#12302d}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.28;letter-spacing:-.035em}h1{font-size:clamp(2.6rem,5.8vw,5.5rem)}h2{font-size:clamp(2rem,3.5vw,3.5rem)}h3{font-size:clamp(1.25rem,1.75vw,1.65rem)}p{max-width:72ch}.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.2em;color:var(--teal);text-transform:uppercase}.skip-link{position:absolute;top:-70px;left:16px;z-index:100;background:#fff;padding:12px 20px}.skip-link:focus{top:12px}.site-head{z-index:50;position:sticky;top:0;background:#f9faf6ed;backdrop-filter:blur(18px);border-bottom:1px solid #e4e9e5}.head-inner{width:min(calc(100% - 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var(--container))/2));position:relative;display:flex;flex-direction:column;justify-content:center}.hero .eyebrow{color:#adddc7;margin-bottom:26px}.hero h1{max-width:680px;font-weight:750;font-size:clamp(2.75rem,5vw,5.65rem);line-height:1.17;margin-bottom:27px}.hero h1 em{font-style:normal;color:var(--sea)}.hero-intro{color:#b8cbd0;font-size:1.05rem;max-width:530px;line-height:1.95}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:25px 0 60px}.button{display:inline-flex;gap:24px;align-items:center;justify-content:space-between;padding:13px 22px;min-height:52px;border-radius:100px;font-weight:800;font-size:.88rem;transition:background .2s,transform .2s,color .2s}.button:hover{transform:translateY(-3px)}.button.primary{background:var(--sea);color:var(--dark)}.button.primary:hover{background:#ebfff4}.button.quiet{border:1px solid #688088;color:#dcece9}.button.quiet:hover{border-color:var(--sea);color:#fff}.hero-facts{display:flex;flex-wrap:wrap;gap:clamp(22px,3.3vw,65px);color:#86a1aa;font-size:.65rem;letter-spacing:.22em;font-weight:700}.hero-visual{position:relative;padding:70px 65px 70px 0;display:flex;align-items:center;min-width:0;background:radial-gradient(circle at 80% 30%,#244b52 0,transparent 54%)}.image-frame{width:100%;aspect-ratio:3/3.4;border:1px solid #50717a;position:relative;background:linear-gradient(140deg,#294c54,#12232d);padding:10px;box-shadow:24px 30px 70px #0005}.image-frame img{width:100%;height:100%;object-fit:cover;opacity:.84}.frame-caption{position:absolute;bottom:25px;left:25px;right:25px;display:flex;justify-content:space-between;gap:20px;color:white;font-size:.65rem;letter-spacing:.1em;text-shadow:0 1px 6px #000}.vertical-word{position:absolute;right:20px;writing-mode:vertical-rl;font-size:.65rem;letter-spacing:.25em;color:#8caaae}.focus-strip{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;background:#daf3e8;padding:17px max(34px,calc((100vw - 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/* Longform reading presentation: restrained column, numbered section guide, embedded proof points */
.article-shell{max-width:var(--container);margin:auto}.article-cover{min-height:415px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);border-bottom:1px solid var(--border)}.article-intro{padding:90px 50px 80px 0}.article-intro h1{font-size:clamp(2.55rem,4.2vw,4.5rem);line-height:1.2;max-width:850px}.article-desc{color:var(--muted);font-size:1.04rem;max-width:680px}.article-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:34px;color:#728184;font-size:.72rem;letter-spacing:.1em}.article-meta span+span{border-left:1px solid #bdcac7;padding-left:22px}.article-cover-art{background:linear-gradient(135deg,#143443,#357e76);margin:50px 0;overflow:hidden;position:relative;display:flex;justify-content:center;align-items:center;min-height:300px}.article-cover-art:before,.article-cover-art:after{content:"";position:absolute;border:1px solid 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35px}.faq-top label{display:block;font-weight:800;text-align:left;margin-bottom:10px;font-size:.85rem}.faq-top input{display:block;width:100%;border:1px solid var(--border);border-radius:8px;background:#fff;padding:16px 20px;color:var(--ink)}.faq-top input:focus{border-color:var(--teal)}.search-count{margin:9px 0 0;font-size:.8rem;text-align:right;color:var(--muted)}.faq-list{border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border);scroll-margin-top:105px}.faq-item summary{display:grid;grid-template-columns:50px 1fr 30px;align-items:center;gap:20px;padding:26px 8px;cursor:pointer;font-size:1.13rem;font-weight:750;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item[open]{background:#ecf4ee}.faq-order{font-size:.76rem;letter-spacing:.08em;color:#74a394}.faq-plus{font-size:1.5rem;font-weight:300;color:var(--teal);transition:transform .2s}.faq-item[open] .faq-plus{transform:rotate(45deg)}.faq-answer{padding:0 62px 30px 78px}.faq-answer p{margin:0;color:#4d666a;line-height:2}.faq-return{display:flex;flex-wrap:wrap;gap:30px;margin-top:55px;justify-content:center}.faq-return a{font-weight:800;color:var(--teal);border-bottom:1px solid var(--teal);padding-bottom:8px}.missing-page{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:800px;margin:auto;padding:60px 24px}.missing-page>p:first-child{color:var(--teal);font-size:.72rem;font-weight:900;letter-spacing:.2em}.missing-page h1{font-size:clamp(2.4rem,6vw,4.5rem)}.missing-page>p:nth-of-type(2){color:var(--muted);font-size:1.1rem}.missing-page .button{margin-top:16px}.missing-page .button.quiet{border-color:var(--teal);color:var(--teal)}
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@media(max-width:780px){.site-head{position:sticky}.head-inner{min-height:70px;width:calc(100% - 34px)}.menu-toggle{display:inline-flex}.primary-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;padding:15px 22px 22px;border-bottom:1px solid var(--border);box-shadow:0 24px 35px #152f3120;gap:2px;max-height:calc(100vh - 72px);overflow-y:auto}.primary-nav.is-open{display:grid}.primary-nav a{font-size:1rem;padding:13px 9px;border-bottom:1px solid #edf0ee}.primary-nav a:after{display:none}.hero{display:block}.hero-copy{padding:70px 24px 35px}.hero h1{font-size:clamp(2.75rem,8vw,4.9rem)}.hero-actions{margin-bottom:36px}.hero-visual{padding:20px 24px 50px;max-width:570px;margin:auto}.image-frame{aspect-ratio:4/3}.vertical-word{right:8px}.focus-strip{padding:20px 18px;justify-content:flex-start;column-gap:14px}.strip-title{flex-basis:100%;padding-left:10px}.editorial,.principles,.question-teaser,.article-shell,.faq-main{margin-left:22px;margin-right:22px}.editorial-heading,.editorial-layout,.principles-head,.question-teaser{grid-template-columns:1fr}.editorial-heading{gap:17px}.editorial-heading h2{margin:0}.editorial-image{min-height:380px}.create-feature{display:flex;flex-direction:column;align-items:stretch;padding:75px 22px;gap:40px}.create-visual{height:350px}.side-note{right:0;bottom:-18px}.principles{padding:75px 0}.principles-head{gap:0}.community-banner{grid-template-columns:1fr}.banner-photo{min-height:300px;max-height:400px}.banner-text{padding:60px 24px 70px}.question-teaser{padding:75px 0;gap:30px}.footer-inner{padding:62px 22px;grid-template-columns:1fr 1fr;gap:38px}.footer-inner>div:first-child{grid-column:1/-1}.footer-bottom{padding:20px 22px}.article-cover{grid-template-columns:1fr}.article-intro{padding:65px 0 40px}.article-intro h1{font-size:clamp(2.3rem,7vw,3.8rem)}.article-cover-art{display:none}.reading-layout{display:block;padding-top:35px}.reading-aside{margin-bottom:45px}.reading-aside nav{position:static;display:flex;overflow-x:auto;border-left:0;border-bottom:1px solid var(--border);white-space:nowrap;padding-bottom:5px}.reading-aside nav a{border-left:0;border-bottom:2px solid transparent;margin:0;padding:10px 15px;flex:none}.reading-aside nav a.is-active{border-bottom-color:var(--teal)}.chapter{grid-template-columns:35px 1fr;gap:12px}.chapter-index{font-size:.95rem}.chapter h2{font-size:clamp(1.75rem,6vw,2.7rem)}.related{padding:65px 0 80px}.faq-main{padding-top:65px}.faq-top{text-align:left}.faq-top>p:not(.eyebrow):not(.search-count){margin-left:0}.faq-item summary{font-size:1rem;grid-template-columns:28px 1fr 23px;gap:9px}.faq-answer{padding:0 20px 24px 44px}}
@media(max-width:480px){body{font-size:15px}.brand{font-size:1.25rem}.brand-symbol{font-size:1.95rem}.brand small{font-size:.47rem}.hero-copy{padding-top:56px}.hero h1{font-size:2.65rem}.hero-intro{font-size:.98rem}.hero-actions{display:grid;grid-template-columns:1fr}.hero .button{justify-content:space-between}.hero-facts{gap:15px;font-size:.54rem}.frame-caption{font-size:.55rem;left:17px;right:17px}.editorial,.principles,.question-teaser{margin-left:17px;margin-right:17px}.editorial{padding:68px 0}.editorial-image{min-height:320px}.editorial-links article{padding:21px 3px}.create-feature{padding:65px 17px}.create-visual{height:300px}.principles-grid{grid-template-columns:1fr;gap:12px}.principles-grid article{min-height:210px}.principles-grid .num{margin-bottom:14px}.principles-grid p{max-width:43ch}.banner-photo{min-height:240px}.banner-text{padding:52px 18px 64px}.footer-inner{grid-template-columns:1fr;padding:56px 18px}.footer-inner>div:first-child{grid-column:auto}.footer-bottom{padding:18px;flex-direction:column;gap:7px}.article-shell,.faq-main{margin-left:17px;margin-right:17px}.article-meta{gap:10px;font-size:.62rem}.article-meta span+span{padding-left:10px}.reading-aside>strong{margin-bottom:8px}.chapter{grid-template-columns:1fr;gap:10px;padding-bottom:52px;margin-bottom:50px}.chapter h2{margin-bottom:18px}.chapter .lead-copy{margin-bottom:25px}.checkpoint{padding:18px}.related-grid{grid-template-columns:1fr}.related-grid a{min-height:130px}.faq-item summary{padding:20px 2px}.faq-top h1{font-size:2.35rem}.faq-answer{padding-left:37px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@media print{.site-head,.site-footer,.menu-toggle,.reading-aside,.related,.hero-actions{display:none!important}body{color:#111;background:#fff;font-size:12pt}.article-shell{margin:0;max-width:100%}.chapter{break-inside:avoid}.article-cover{min-height:0}.article-intro{padding:20px 0}.reading-layout{display:block}.faq-item{break-inside:avoid}.faq-item:not([open]) .faq-answer{display:block!important}}