@charset "UTF-8";
/* Typography, navigation, reading layouts and progressive enhancement. */
:root{--paper:#f7f4f0;--paper-2:#eee9e1;--canvas:#fffdf9;--ink:#192623;--muted:#626e68;--line:#d7ddd6;--accent:#bf5137;--accent-deep:#913b2b;--forest:#26473e;--forest-dim:#365a50;--teal:#a9c1b0;--shadow:0 22px 75px rgba(20,40,32,.07);--radius:16px;--shell:1280px;--reading:730px;--ease:cubic-bezier(.22,1,.36,1);font-family:"Noto Sans SC","PingFang SC","Microsoft Yahei",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;min-width:320px;background:var(--paper)}body,button,input{font-family:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:650;letter-spacing:-.035em}a{color:inherit;text-decoration:none}a:hover{color:var(--accent-deep)}button{cursor:pointer}button,input{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ca775e;outline-offset:4px}img{display:block;width:100%;height:auto;object-fit:cover;max-width:100%}::selection{background:#f1be9f;color:#202a24}[hidden]{display:none!important}.skip-link{position:absolute;top:-100px;left:20px;background:var(--ink);color:white;padding:13px 20px;z-index:100}.skip-link:focus{top:10px}.masthead{position:relative;z-index:20;background:rgba(247,244,240,.98);border-bottom:1px solid var(--line)}.masthead-inner{max-width:var(--shell);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:26px;padding:19px 42px}.wordmark{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;font-weight:800;letter-spacing:-.05em;color:var(--ink)}.mark-glyph{display:grid;place-items:center;background:var(--accent);color:white;width:40px;height:40px;border-radius:50% 50% 45% 45%;font-size:15px;padding-left:2px;transform:rotate(-9deg)}.wordmark-letters{font-size:19px;line-height:1.2}.wordmark-letters small{display:block;font-size:10px;font-weight:500;letter-spacing:.16em;color:var(--muted);margin-top:4px}.site-nav{display:flex;align-items:center;gap:3px;flex-wrap:wrap;justify-content:flex-end}.site-nav a{padding:10px 12px;font-size:12px;letter-spacing:.02em;white-space:nowrap;color:#3c4b44;border-radius:6px;transition:background .2s,color .2s}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent-deep);background:#eee7dc}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);width:43px;height:43px;border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{display:block;width:19px;height:1.5px;background:var(--ink)}.cover{background:linear-gradient(120deg,#f5f2eb 0%,#f1ebe2 100%);overflow:hidden}.cover-inner{max-width:var(--shell);margin:auto;min-height:635px;padding:72px 42px 68px;display:grid;grid-template-columns:minmax(0,1.14fr) minmax(0,.86fr);align-items:center;gap:70px}.cover-copy{padding:24px 0}.eyebrow,.section-overline{font-size:11px;font-weight:800;letter-spacing:.19em;text-transform:uppercase;color:var(--accent-deep);display:inline-block}.eyebrow-line{display:inline-block;width:21px;height:1px;background:var(--accent);vertical-align:middle;margin:0 10px 3px 0}.cover h1{font-size:clamp(52px,6vw,88px);line-height:1.14;margin:23px 0 26px;letter-spacing:-.07em}.cover h1 em{font-style:normal;font-weight:400;color:var(--forest)}.cover-lead{font-size:17px;line-height:1.95;max-width:550px;color:#4d5d53}.cover-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:32px}.primary-cta,.outline-cta{font-size:14px;font-weight:700;min-height:52px;display:inline-flex;align-items:center;justify-content:space-between;gap:25px;padding:13px 23px;border:1px solid var(--forest);border-radius:3px;transition:background .22s,transform .22s,color .22s}.primary-cta{background:var(--forest);color:white}.primary-cta:hover{background:#163229;color:white;transform:translateY(-2px)}.outline-cta{background:transparent;color:var(--forest)}.outline-cta:hover{background:var(--forest);color:white;transform:translateY(-2px)}.micro-details{display:flex;flex-wrap:wrap;gap:15px 24px;color:#738076;font-size:11px;margin-top:40px;letter-spacing:.06em}.micro-details span:before{content:"";display:inline-block;width:5px;height:5px;background:var(--accent);border-radius:50%;vertical-align:middle;margin-right:9px}.cover-visual{position:relative;align-self:stretch;min-height:515px}.cover-visual img{width:100%;height:100%;max-height:610px;position:absolute;inset:0;border-radius:140px 7px 7px 7px;background:#dbddd2}.cover-stamp{position:absolute;bottom:13px;left:-48px;width:180px;height:165px;background:var(--accent);color:white;padding:27px 25px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow)}.cover-stamp strong{font-size:29px;letter-spacing:-.06em}.cover-stamp span{font-size:12px;line-height:1.7}.intro-band{max-width:var(--shell);margin:auto;display:grid;grid-template-columns:1.15fr .85fr;gap:100px;align-items:end;padding:100px 42px 90px;border-bottom:1px solid var(--line)}.intro-band h2{font-size:clamp(29px,3.6vw,47px);line-height:1.34;margin:19px 0 0;max-width:630px}.intro-band p{font-size:15px;line-height:2.05;color:var(--muted);max-width:460px;margin-bottom:6px}.mini-index{font-size:10px;letter-spacing:.16em;font-weight:800;color:var(--accent)}.topic-board{max-width:var(--shell);padding:96px 42px 105px;margin:auto}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:55px;margin-bottom:40px}.section-heading h2{font-size:clamp(30px,3.3vw,44px);line-height:1.25;margin:15px 0 0}.section-heading p{line-height:1.8;font-size:13px;color:var(--muted);max-width:300px}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.topic-card{min-height:280px;background:var(--canvas);padding:34px 28px;display:flex;flex-direction:column;border:1px solid #ece9e2;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.topic-card-feature{grid-row:span 2;padding:0;background:var(--forest);color:white;min-height:578px;border-color:var(--forest)}.topic-card-image{height:52%;min-height:235px;overflow:hidden}.topic-card-image img{height:100%;transition:transform .4s var(--ease)}.topic-card-feature:hover img{transform:scale(1.045)}.topic-card-body{padding:32px 30px;display:flex;flex-direction:column;flex:1}.topic-number{font-size:10px;font-weight:800;letter-spacing:.17em;color:var(--accent);margin-bottom:30px}.topic-card-feature .topic-number{color:#d0bca7;margin-bottom:15px}.topic-card h3{font-size:23px;line-height:1.4;margin:0 0 13px}.topic-card p{font-size:13px;line-height:1.85;color:var(--muted);margin-bottom:20px}.topic-card-feature p{color:#d6e0d8}.topic-card a{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;margin-top:auto;font-size:12px;font-weight:750;color:var(--accent-deep);border-top:1px solid var(--line);padding-top:20px}.topic-card a:hover{text-decoration:underline}.topic-card-feature a{color:white;border-top-color:#567368}.feature-story{background:var(--forest);color:white;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:580px}.feature-story-visual{min-height:580px}.feature-story-visual img{height:100%;max-height:720px;background:#688077}.feature-story-copy{padding:90px max(36px,calc((100vw - var(--shell))/2 + 42px)) 70px 70px;display:flex;flex-direction:column;align-items:flex-start}.feature-story-copy .section-overline{color:#c8ad91}.feature-story-copy h2{font-size:clamp(32px,3.6vw,52px);line-height:1.35;margin:26px 0}.feature-story-copy>p{font-size:14px;line-height:2.1;color:#d0ded4}.feature-points{margin:18px 0 35px;border-top:1px solid #648076;width:100%}.feature-points p{display:flex;gap:21px;align-items:center;color:#ecf1eb;border-bottom:1px solid #648076;padding:13px 0;margin:0;font-size:12px}.feature-points strong{font-size:10px;color:#d4b899}.inline-cta{border-bottom:1px solid currentColor;padding:0 0 9px;font-size:13px;font-weight:750;color:inherit}.inline-cta:hover{color:#e5c2a7}.split-notes{max-width:var(--shell);margin:0 auto;padding:100px 42px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}.split-notes article{min-width:0}.note-head{display:flex;justify-content:space-between;border-top:2px solid var(--ink);padding:14px 0 20px;font-size:11px;font-weight:800;letter-spacing:.17em}.split-notes img{aspect-ratio:1.78;background:#cfd6cc}.split-notes h2{font-size:clamp(24px,2.7vw,35px);line-height:1.4;margin:25px 0 13px}.split-notes p{line-height:1.9;font-size:14px;color:var(--muted);max-width:500px}.split-notes a{display:inline-block;margin-top:9px;border-bottom:1px solid var(--accent);padding-bottom:8px;color:var(--accent-deep);font-weight:700;font-size:13px}.home-questions{background:#e8e5dd;padding:96px max(42px,calc((100vw - var(--shell))/2 + 42px)) 110px;display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:25px 100px}.home-questions h2{font-size:clamp(30px,3.2vw,45px);margin:15px 0;line-height:1.3}.question-preview details{border-bottom:1px solid #bac3b9}.question-preview details:first-child{border-top:1px solid #bac3b9}.question-preview summary{list-style:none;padding:23px 24px 23px 0;font-weight:700;cursor:pointer;position:relative;font-size:15px}.question-preview summary::-webkit-details-marker{display:none}.question-preview summary:after{content:"+";position:absolute;right:4px;top:19px;font-size:25px;font-weight:300}.question-preview details[open] summary:after{content:"−"}.question-preview details p{font-size:13px;line-height:1.9;color:var(--muted);margin:0 20px 23px 0}.home-questions>.inline-cta{grid-column:2;justify-self:start;color:var(--accent-deep)}.site-footer{background:#182d27;color:#e4ebe3}.footer-shell{max-width:var(--shell);padding:72px 42px 28px;margin:auto}.footer-lead{display:flex;align-items:start;justify-content:space-between;gap:40px}.footer-brand{font-size:23px;font-weight:750;letter-spacing:-.04em}.footer-lead p{max-width:370px;color:#b2c4b9;line-height:1.9;font-size:13px}.footer-links{display:flex;gap:15px 28px;flex-wrap:wrap;margin:55px 0}.footer-links a{font-size:12px;color:#d4e0d6}.footer-links a:hover{color:#ffccb6}.footer-bottom{border-top:1px solid #39564b;display:flex;justify-content:space-between;gap:15px;padding-top:24px;font-size:11px;color:#9fb3a6}.footer-bottom a{color:#d9e4db}.crumbs{display:flex;gap:12px;font-size:12px;color:var(--muted);align-items:center;flex-wrap:wrap;margin:32px 0 30px}.crumbs a{color:var(--forest)}.crumbs a:hover{text-decoration:underline}.article-shell{max-width:var(--shell);margin:auto;padding:0 42px}.article-cover{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;border-bottom:1px solid var(--line);padding:33px 0 64px}.article-cover-copy{padding:15px 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solid var(--line)}.contents nav a:hover,.contents nav a.is-active{color:var(--accent-deep);padding-left:12px}.aside-help{display:flex;flex-direction:column;gap:8px;margin-top:30px;background:#e9e9df;padding:18px 20px;font-size:13px;font-weight:650}.aside-help span{color:var(--accent-deep);font-size:12px}.article-prose{max-width:var(--reading);min-width:0}.article-opening{border-left:3px solid var(--accent);padding:10px 0 10px 25px;margin-bottom:50px}.article-opening p{color:var(--muted);line-height:2.05;font-size:15px;margin:12px 0 0}.article-section{padding:10px 0 60px;margin:0 0 45px;border-bottom:1px solid var(--line);scroll-margin-top:40px}.section-kicker{display:flex;align-items:center;gap:16px;color:var(--accent-deep);font-size:10px;letter-spacing:.13em;font-weight:800;margin-bottom:16px}.section-kicker span:first-child{border-radius:100%;border:1px solid #d4bdb4;width:31px;height:31px;display:grid;place-items:center}.article-section h2{font-size:clamp(24px,2.5vw,36px);line-height:1.45;margin:0 0 23px}.article-section p{font-size:15px;line-height:2.13;color:#415048;margin-bottom:18px}.instruction-list{counter-reset:steps;list-style:none;padding:0;margin:30px 0 8px;background:#ecede5}.instruction-list li{display:flex;gap:15px;line-height:1.85;font-size:14px;padding:16px 22px;border-bottom:1px solid #d9ded2;color:#32463c}.instruction-list li:last-child{border-bottom:none}.instruction-list li:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);font-size:12px;color:var(--accent);font-weight:800;flex-shrink:0;margin-top:2px}.detail-list{padding-left:24px;color:#425048}.detail-list li{line-height:1.9;margin-bottom:11px;font-size:14px}.editor-note{margin:26px 0;padding:22px 25px;border-left:3px solid var(--accent);background:#f1e9de}.editor-note strong{font-size:12px;color:var(--accent-deep)}.editor-note p{margin:9px 0 0;font-size:13px}.article-end{border-top:2px solid var(--ink);padding:55px 0 95px}.article-end h2{font-size:30px;margin:12px 0 27px}.article-next-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.article-next-grid a{border:1px solid var(--line);background:var(--canvas);min-height:160px;padding:22px;display:flex;flex-direction:column;gap:12px}.article-next-grid a:hover{border-color:var(--accent);transform:translateY(-2px)}.article-next-grid a>span:first-child{font-size:10px;font-weight:700;letter-spacing:.1em;color:var(--accent)}.article-next-grid strong{font-size:14px;line-height:1.7;flex:1}.article-next-grid a>span:last-child{align-self:end;color:var(--accent-deep)}.faq-shell{max-width:1000px;padding:0 42px 110px;margin:auto}.faq-heading{padding:55px 0 65px;display:grid;grid-template-columns:1fr .75fr;gap:70px;align-items:end}.faq-heading h1{font-size:clamp(45px,6vw,76px);line-height:1.24;margin:20px 0 0}.faq-heading h1 em{font-style:normal;font-weight:400;color:var(--forest)}.faq-heading>p{font-size:15px;line-height:2;color:var(--muted);margin-bottom:9px}.faq-toolbar{display:flex;gap:20px;align-items:center;padding:20px 23px;background:var(--forest);color:white}.faq-toolbar label{font-size:12px;font-weight:700;white-space:nowrap}.faq-toolbar input{min-width:0;flex:1;border:1px solid #779184;background:#fcfcf9;color:var(--ink);border-radius:4px;padding:13px 16px;font-size:13px}.faq-toolbar>span{font-size:11px;color:#c9ddce;white-space:nowrap}.faq-list{border-bottom:1px solid var(--line)}.faq-entry{border-bottom:1px solid var(--line);background:transparent}.faq-entry summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:55px 1fr 25px;align-items:center;gap:14px;font-size:17px;font-weight:650;padding:26px 6px;line-height:1.6}.faq-entry summary::-webkit-details-marker{display:none}.faq-index{font-size:12px;color:var(--accent);font-weight:800}.faq-plus{font-size:26px;font-weight:300;text-align:center;color:var(--accent)}.faq-entry[open] .faq-plus{transform:rotate(45deg)}.faq-answer{padding:0 55px 25px 69px;max-width:850px}.faq-answer p{color:var(--muted);font-size:14px;line-height:2.05}.faq-empty{padding:45px;color:var(--muted);text-align:center}.faq-next{margin-top:80px;padding:40px;background:#e8ede5}.faq-next h2{font-size:26px}.faq-next p{line-height:1.9;color:var(--muted);font-size:14px}.faq-next>div{display:flex;flex-wrap:wrap;gap:12px;margin-top:23px}.faq-next a{border:1px solid #aabcae;color:var(--forest);font-size:12px;padding:12px 18px}.faq-next a:hover{background:var(--forest);color:white}.notfound{min-height:60vh;display:grid;place-items:center;padding:80px 42px}.notfound>div{max-width:800px;width:100%}.notfound h1{font-size:clamp(40px,5vw,72px);margin:20px 0}.notfound p{color:var(--muted);line-height:2}.notfound .cover-actions{margin-top:45px}
/* Navigation behavior: links stay accessible by default on narrow screens without JS. */
@media(max-width:1150px){.masthead-inner{padding-left:28px;padding-right:28px}.site-nav a{padding:9px 7px;font-size:11px}.cover-inner{gap:34px;padding-left:35px;padding-right:35px}.intro-band,.topic-board,.split-notes{padding-left:35px;padding-right:35px}.feature-story-copy{padding:70px 45px}.article-layout{gap:55px;grid-template-columns:215px minmax(0,1fr)}}
@media(max-width:900px){.masthead-inner{flex-wrap:wrap;gap:16px}.menu-toggle{display:flex;margin-left:auto}.site-nav{order:3;flex-basis:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;justify-content:stretch}.site-nav a{padding:13px 10px;text-align:center;background:#ece8df;font-size:12px}.js-nav .site-nav{display:none}.js-nav .site-nav[data-open=true]{display:grid}.cover-inner{grid-template-columns:1.2fr .8fr;gap:24px;min-height:510px}.cover-visual{min-height:440px}.cover-stamp{left:-25px;bottom:20px;width:150px;height:140px}.intro-band{gap:40px;padding-top:72px;padding-bottom:70px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-card-feature{grid-row:span 2}.feature-story{grid-template-columns:1fr 1fr}.feature-story-visual{min-height:510px}.feature-story-copy{padding:55px 38px}.home-questions{gap:40px;padding:65px 35px}.article-cover{gap:30px}.article-cover-image{height:320px}.article-layout{grid-template-columns:175px minmax(0,1fr);gap:30px}.article-shell,.faq-shell{padding-left:35px;padding-right:35px}}
@media(max-width:680px){html{scroll-padding-top:15px}.masthead-inner{padding:15px 19px}.wordmark-letters{font-size:17px}.site-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.site-nav a{text-align:left}.cover-inner{padding:45px 22px 0;display:flex;flex-direction:column;align-items:stretch;gap:18px}.cover-copy{padding:4px 0}.cover h1{font-size:clamp(46px,11vw,70px);margin:20px 0}.cover-lead{font-size:15px;line-height:1.9}.cover-actions{gap:9px;margin-top:23px}.primary-cta,.outline-cta{min-height:47px;font-size:12px;padding:10px 14px;gap:12px}.micro-details{margin:25px 0;gap:8px 14px}.cover-visual{height:300px;min-height:300px;align-self:auto;margin:0 20px 0 20px}.cover-visual img{border-radius:110px 4px 0 0}.cover-stamp{bottom:0;left:-20px;width:125px;height:105px;padding:17px}.cover-stamp strong{font-size:20px}.cover-stamp span{font-size:10px}.intro-band{display:block;padding:55px 22px}.intro-band h2{font-size:31px}.intro-band p{margin-top:25px}.topic-board{padding:64px 22px}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:32px}.section-heading p{margin-top:16px}.topic-grid{display:flex;flex-direction:column;gap:12px}.topic-card{min-height:auto;padding:25px 23px}.topic-card-feature{min-height:auto;padding:0}.topic-card-image{height:225px;min-height:225px}.topic-card h3{font-size:22px}.topic-number{margin-bottom:14px}.topic-card a{margin-top:20px}.feature-story{display:flex;flex-direction:column}.feature-story-visual{min-height:270px;height:270px}.feature-story-copy{padding:52px 23px}.feature-story-copy h2{font-size:34px}.split-notes{display:block;padding:64px 22px}.split-notes article+article{margin-top:56px}.split-notes h2{font-size:27px}.home-questions{display:block;padding:64px 22px}.question-preview{margin-top:25px}.home-questions>.inline-cta{display:inline-block;margin-top:28px}.footer-shell{padding:55px 22px 25px}.footer-lead{display:block}.footer-lead p{margin-top:20px}.footer-links{margin:35px 0;gap:15px 24px}.footer-bottom{flex-direction:column}.crumbs{margin:24px 0 10px}.article-shell,.faq-shell{padding:0 22px}.article-cover{display:flex;flex-direction:column;padding:20px 0 45px;gap:25px}.article-cover h1{font-size:39px}.article-deck{font-size:14px}.article-cover-image{width:100%;height:255px}.article-cover-image img{border-radius:110px 5px 5px 5px}.article-meta span:not(:first-child):before{margin-right:10px}.article-layout{display:block;padding:35px 0}.contents{margin:0 0 47px}.contents-sticky{position:static}.contents nav{flex-direction:row;overflow-x:auto;scrollbar-width:thin;padding:10px 0;gap:8px}.contents nav a{min-width:150px;border:1px solid var(--line);padding:10px 13px;border-radius:3px;background:var(--canvas)}.aside-help{display:none}.article-opening{margin-bottom:35px}.article-section{padding-bottom:37px;margin-bottom:34px}.article-section h2{font-size:26px}.article-section p{font-size:14px;line-height:2}.instruction-list li{padding:14px;font-size:13px}.article-next-grid{display:block}.article-next-grid a{min-height:100px;margin-bottom:10px}.article-end{padding-bottom:60px}.faq-heading{display:block;padding:42px 0}.faq-heading h1{font-size:50px}.faq-heading>p{margin-top:25px}.faq-toolbar{padding:18px;flex-wrap:wrap;gap:10px}.faq-toolbar input{flex-basis:calc(100% - 90px)}.faq-toolbar>span{margin-left:auto}.faq-entry summary{grid-template-columns:26px 1fr 20px;font-size:14px;gap:9px;padding:20px 2px}.faq-answer{padding:0 15px 20px 35px}.faq-next{padding:27px;margin-top:50px}.notfound{padding:70px 22px}}
@media(max-width:390px){.wordmark-letters{font-size:16px}.cover h1{font-size:43px}.cover-actions{display:flex;flex-direction:column;align-items:stretch}.micro-details{font-size:10px}.topic-card-body{padding:23px}.faq-heading h1{font-size:43px}.article-cover h1{font-size:35px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}
@media print{.masthead,.contents,.site-footer,.cover-actions,.menu-toggle,.faq-toolbar{display:none!important}body{background:white;color:black}.article-layout{display:block}.article-prose{max-width:none}.article-section{break-inside:avoid}.article-cover-image{display:none}.article-cover{display:block}.article-section p{color:black}.article-end{display:none}}
/* Fine-grained interaction states and editorial details */
@supports (text-wrap:balance){.cover h1,.article-cover h1,.feature-story h2,.faq-heading h1{text-wrap:balance}.section-heading h2,.intro-band h2{text-wrap:pretty}}
@supports (font-variation-settings:normal){body{font-optical-sizing:auto}}
@supports selector(:has(*)){
  .faq-entry:has(summary:hover){background:rgba(255,253,249,.5)}
  .article-next-grid a:has(strong:hover){background:#fdf8f0}
  .topic-card:has(a:focus-visible){box-shadow:0 0 0 3px rgba(191,81,55,.18)}
  .question-preview details:has(summary:focus-visible){background:rgba(255,255,255,.3)}
}
@media(hover:hover) and (pointer:fine){
  .site-nav a:hover{transform:translateY(-1px)}
  .footer-links a:hover{text-decoration:underline;text-underline-offset:6px}
  .topic-card a:hover span{transform:translate(2px,-2px)}
  .cover-actions a:hover span{transform:translate(2px,-2px)}
  .feature-story-copy .inline-cta:hover{border-color:#fff}
  .split-notes article a:hover{border-bottom-width:2px}
  .faq-next a:hover{box-shadow:0 8px 28px rgba(20,40,32,.1)}
  .crumbs a:hover{text-underline-offset:3px}
  .footer-bottom a:hover{text-decoration:underline}
  .article-next-grid a:hover>span:last-child{transform:translate(2px,-2px)}
}
@media(prefers-contrast:more){
 :root{--muted:#364239;--line:#818d80;--accent-deep:#842316}
 .topic-card,.article-next-grid a,.faq-next a{border-width:2px}
 .wordmark-letters small,.article-meta,.micro-details{color:#364239}
 .site-nav a[aria-current=page]{text-decoration:underline;text-underline-offset:5px}
 .primary-cta,.outline-cta{border-width:2px}
 .article-section p,.faq-answer p{color:#1c2a21}
 .topic-card p,.home-questions p{color:#26332a}
}
@media(forced-colors:active){
 .mark-glyph,.primary-cta,.cover-stamp{forced-color-adjust:auto}
 .topic-card,.article-next-grid a,.faq-next a{border:1px solid CanvasText}
 .eyebrow-line,.micro-details span:before{background:CanvasText}
 .article-opening,.editor-note{border-left-color:CanvasText}
 .article-section,.article-end{border-bottom-color:CanvasText}
}
@media(min-width:681px) and (max-width:760px){
 .masthead-inner{padding-left:24px;padding-right:24px}
 .cover-inner{grid-template-columns:1fr .75fr;padding-left:25px;padding-right:25px}
 .cover h1{font-size:52px}.cover-lead{font-size:14px}
 .cover-visual{min-height:440px}
 .cover-actions{flex-direction:column;align-items:stretch;max-width:260px}
 .topic-card-feature{grid-row:span 2}
 .intro-band{grid-template-columns:1fr 1fr;gap:25px}
 .intro-band h2{font-size:29px}
 .feature-story-copy{padding:45px 25px}
 .feature-story-copy h2{font-size:31px}
 .home-questions{grid-template-columns:1fr 1.3fr;gap:25px}
 .article-layout{grid-template-columns:155px minmax(0,1fr);gap:25px}
 .article-cover h1{font-size:38px}
 .contents nav a{font-size:11px}
 .article-section h2{font-size:25px}
}
@media(min-width:1300px){
 .cover-inner{min-height:700px}
 .cover h1{font-size:88px}
 .topic-board{padding-top:118px;padding-bottom:126px}
 .split-notes{padding-top:125px;padding-bottom:125px}
 .home-questions{padding-top:112px;padding-bottom:125px}
 .article-cover{padding-top:48px;padding-bottom:84px}
 .article-layout{padding-top:87px;padding-bottom:95px}
}
@media(max-height:570px) and (min-width:681px){
 .contents-sticky{position:static}
 .cover-inner{min-height:auto}
 .article-cover-image{max-height:300px}
}
@media(orientation:landscape) and (max-width:900px) and (max-height:500px){
 .cover-inner{min-height:auto;padding-top:35px;padding-bottom:35px}
 .cover-visual{min-height:340px}
 .article-cover{padding-top:20px}
 .article-cover-image{height:250px}
 .footer-shell{padding-top:45px}
}
/* Comfortable focus and target sizes for touch users. */
@media(pointer:coarse){
 .site-nav a{min-height:44px;display:flex;align-items:center}
 .contents nav a{min-height:44px}
 .footer-links a{min-height:42px;display:inline-flex;align-items:center}
 .faq-entry summary{min-height:64px}
 .question-preview summary{min-height:60px}
 .faq-next a{min-height:44px;display:inline-flex;align-items:center}
 .menu-toggle{min-width:44px;min-height:44px}
}
/* Vertical rhythm adjustments for reading long Chinese paragraphs. */
.article-prose :is(p,li){overflow-wrap:anywhere;word-break:normal;line-break:strict}
.article-section h2,.article-end h2{overflow-wrap:anywhere}
.article-section p+p{margin-top:19px}
.article-section .instruction-list+.editor-note{margin-top:32px}
.article-section .instruction-list li:last-child{border-bottom:0}
.article-section .detail-list li::marker{color:var(--accent)}
.article-section:target .section-kicker span:first-child{background:var(--accent);color:white;border-color:var(--accent)}
.article-section:target h2{color:var(--forest)}
.article-prose a{text-decoration:underline;text-underline-offset:3px}
.faq-entry[open]{background:rgba(255,253,249,.75)}
.faq-entry[open] .faq-answer{animation:faq-in .25s var(--ease)}
@keyframes faq-in{from{opacity:.5;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.faq-entry[open] .faq-answer{animation:none}}
/* Responsive images are deliberately cropped only in decorative media frames. */
.cover-visual img,.article-cover-image img,.feature-story-visual img,.topic-card-image img{object-position:center}
.split-notes img{object-position:center 45%;background-color:#d0d7cd}
.topic-card-feature .topic-card-image{position:relative}
.topic-card-feature .topic-card-image:after{content:"";position:absolute;inset:auto 0 0;height:15%;background:linear-gradient(transparent,rgba(38,71,62,.2));pointer-events:none}
@media(max-width:680px){
 .article-section h2{hyphens:auto}
 .cover h1{word-break:keep-all}
 .article-cover-copy .eyebrow{line-height:1.7}
 .article-meta{line-height:1.6}
 .article-meta span:not(:first-child):before{margin-right:6px}
 .section-kicker{margin-bottom:21px}
 .question-preview details p{padding-right:18px}
 .topic-card p{max-width:37em}
 .article-opening{padding-left:18px}
 .article-section .editor-note{padding:18px}
 .footer-brand{display:block;line-height:1.4}
 .notfound .eyebrow{line-height:2}
}