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.faq-preview{display:grid;grid-template-columns:.65fr 1.35fr;gap:8%;align-items:start;border-top:1px solid var(--line)}.faq-preview h2{margin:12px 0}.faq-preview>div:first-child p{font-size:13px}.faq-preview details,.faq-list details{border-bottom:1px solid var(--line);padding:16px 0}.faq-preview summary,.faq-list summary{cursor:pointer;list-style:none;font-weight:700;font-size:14px;display:flex;align-items:center;gap:13px}.faq-preview summary::-webkit-details-marker,.faq-list summary::-webkit-details-marker{display:none}.faq-preview summary:after,.faq-list summary:after{content:"+";margin-left:auto;color:var(--mauve-deep);font-size:19px}.faq-preview details[open] summary:after,.faq-list details[open] summary:after{content:"−"}.faq-preview details p,.faq-list details p{font-size:12px;margin:12px 0 0 30px;max-width:700px}.final-note{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-top:35px;padding-bottom:70px;border-top:1px solid var(--line)}.final-note h2{font-size:26px;margin:8px 0}.final-note p{margin:0;font-size:13px}
.page-hero{padding:75px max(28px,calc((100vw - 1264px)/2)) 62px;background:linear-gradient(125deg,#F7F9FC 0%,#EAF6F8 60%,#E5EDF5 100%);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2.4rem,5vw,4.2rem);margin:12px 0 14px}.page-hero>p{font-size:15px;max-width:760px;margin:0}.standard-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:55px}.standard-main{display:grid;gap:0}.content-block{padding:27px 0 30px;border-bottom:1px solid var(--line);max-width:900px}.content-block h2{font-size:23px;margin:9px 0 11px}.content-block p{font-size:13px;line-height:2;max-width:850px}.content-block>a{font-size:12px;color:var(--mauve-deep);font-weight:750}.block-2{padding-left:30px;border-left:2px solid #BFDCE6}.block-3{padding-right:10%}.block-4{background:#fff;padding:25px 28px;border:1px solid var(--line);border-radius:13px;margin-top:20px}.standard-aside{display:grid;align-content:start;gap:14px}.aside-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:21px;display:flex;flex-direction:column;gap:12px}.aside-card>a{font-size:12px;color:var(--mauve-deep);font-weight:700}.aside-card p{font-size:12px;margin:4px 0 0}.category-intro{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:35px}.category-intro h2{margin-top:8px}.category-intro p{margin:0;font-size:13px}.long-read{max-width:850px;margin:55px auto 0;padding:30px 34px;background:#fff;border-left:3px solid var(--mauve);border-radius:0 12px 12px 0}.long-read h2{font-size:21px;margin-bottom:13px}.long-read p{font-size:13px}.search-page-form{max-width:580px;margin:0 auto 35px}.empty-state{padding:55px 25px;text-align:center;background:#fff;border:1px dashed var(--line-strong);border-radius:16px}.empty-state b,.empty-state strong{display:block;font-size:22px;margin-bottom:9px}.empty-state p{font-size:13px}.not-found{max-width:850px;margin:90px auto}
.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:50px}.article-body{max-width:820px}.article-body h2{font-size:22px;margin:32px 0 13px}.article-body p,.article-body li{font-size:14px;line-height:2}.article-body ul,.article-body ol{padding-left:22px;color:var(--ink-2)}.article-actions{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}.reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:35px}.reader-content{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}.reader-toolbar{display:flex;gap:17px;align-items:center;padding:15px 22px;border-bottom:1px solid var(--line);font-size:12px}.reader-toolbar a{color:var(--mauve-deep);margin-right:auto}.reader-toolbar button{border:0;background:none;color:var(--ink-2);font-size:12px}.reader-progress{height:3px;background:#EAF6F8}.reader-progress span{display:block;width:0;height:100%;background:var(--mauve)}.reader-copy{padding:45px 8%;min-height:500px}.reader-copy h2{margin:12px 0 20px}.reader-copy h3{margin:28px 0 10px}.reader-copy p,.reader-copy li{font-size:14px;line-height:2.1}.reader-copy ol{padding-left:22px;color:var(--ink-2)}.reader-warm{background:#FFF9EF}.reader-aside{display:flex;flex-direction:column;gap:15px;align-items:flex-start}.reader-aside a{font-size:12px;color:var(--mauve-deep)}.shelf-tabs{display:flex;gap:8px;margin-bottom:22px}.shelf-tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 17px;color:var(--ink-2);font-size:12px}.shelf-tabs button.is-active{background:var(--plum);color:#fff}.shelf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.shelf-grid article{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.shelf-grid span{font-size:9px;color:var(--mauve-deep);font-weight:800}.shelf-grid b{font-size:14px}.shelf-grid a{font-size:11px;color:var(--mauve-deep)}.faq-page{display:grid;grid-template-columns:.65fr 1.35fr;gap:8%}.faq-page>aside{position:sticky;top:110px;align-self:start;background:var(--plum);border-radius:15px;padding:27px;color:#fff}.faq-page>aside h2{font-size:24px;color:#fff;margin:13px 0}.faq-page>aside p{font-size:12px;color:rgba(255,255,255,.7)}.faq-page>aside a{font-size:12px;color:#82D7DE;font-weight:700}.faq-list summary span{font-size:10px;color:var(--mauve-deep);font-weight:800}.faq-list details p{margin-left:34px;line-height:1.9}
.site-footer{background:linear-gradient(135deg,#10243B,#203A58);color:#fff}.footer-main{max-width:var(--wrap);margin:auto;padding:65px 28px 48px;display:grid;grid-template-columns:2fr repeat(3,1fr);gap:7%}.brand-inverse b{color:#fff}.brand-inverse small{color:rgba(255,255,255,.55)}.footer-brand p{max-width:390px;color:rgba(255,255,255,.66);font-size:12px;margin:20px 0}.footer-note{font-size:10px;color:#82D7DE;letter-spacing:.08em}.footer-col{display:flex;flex-direction:column;gap:11px}.footer-col>b{font-size:13px;margin-bottom:8px;color:#fff}.footer-col a{font-size:11px;color:rgba(255,255,255,.65)}.footer-col a:hover{color:#82D7DE}.footer-bottom{max-width:var(--wrap);margin:auto;padding:18px 28px;border-top:1px solid rgba(255,255,255,.14);display:flex;gap:22px;align-items:center;font-size:10px;color:rgba(255,255,255,.55)}.footer-bottom a{margin-left:auto;color:#82D7DE}.mobile-bottom-nav{display:none}.back-top{position:fixed;right:22px;bottom:25px;width:40px;height:40px;border:0;border-radius:50%;background:var(--plum);color:#fff;font-size:20px;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:50}.back-top.is-visible{opacity:1;pointer-events:auto;transform:none}.reveal-ready{opacity:0;transform:translateY(12px);transition:opacity .5s,transform .5s}.reveal-ready.is-visible{opacity:1;transform:none}

/* Component refinements: content states, editorial layouts, and accessible interaction details. */
.content-block:nth-child(1n){--block-index:1;}
.content-block:nth-child(1n) .eyebrow{letter-spacing:0.124em;}
.story-card:nth-child(1n) .story-mark{background:linear-gradient(117deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(2n){--block-index:2;}
.content-block:nth-child(2n) .eyebrow{letter-spacing:0.128em;}
.story-card:nth-child(2n) .story-mark{background:linear-gradient(124deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(3n){--block-index:3;}
.content-block:nth-child(3n) .eyebrow{letter-spacing:0.132em;}
.story-card:nth-child(3n) .story-mark{background:linear-gradient(131deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(4n){--block-index:4;}
.content-block:nth-child(4n) .eyebrow{letter-spacing:0.136em;}
.story-card:nth-child(4n) .story-mark{background:linear-gradient(138deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(5n){--block-index:5;}
.content-block:nth-child(5n) .eyebrow{letter-spacing:0.140em;}
.story-card:nth-child(5n) .story-mark{background:linear-gradient(145deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(6n){--block-index:6;}
.content-block:nth-child(6n) .eyebrow{letter-spacing:0.144em;}
.story-card:nth-child(6n) .story-mark{background:linear-gradient(152deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(7n){--block-index:7;}
.content-block:nth-child(7n) .eyebrow{letter-spacing:0.148em;}
.story-card:nth-child(7n) .story-mark{background:linear-gradient(159deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(8n){--block-index:8;}
.content-block:nth-child(8n) .eyebrow{letter-spacing:0.152em;}
.story-card:nth-child(8n) .story-mark{background:linear-gradient(166deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(9n){--block-index:9;}
.content-block:nth-child(9n) .eyebrow{letter-spacing:0.156em;}
.story-card:nth-child(9n) .story-mark{background:linear-gradient(173deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(10n){--block-index:10;}
.content-block:nth-child(10n) .eyebrow{letter-spacing:0.160em;}
.story-card:nth-child(10n) .story-mark{background:linear-gradient(180deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(11n){--block-index:11;}
.content-block:nth-child(11n) .eyebrow{letter-spacing:0.164em;}
.story-card:nth-child(11n) .story-mark{background:linear-gradient(187deg,#EAF6F8 0%,#E5EDF5 100%);}
.content-block:nth-child(12n){--block-index:12;}
.content-block:nth-child(12n) .eyebrow{letter-spacing:0.168em;}
.story-card:nth-child(12n) .story-mark{background:linear-gradient(194deg,#EAF6F8 0%,#E5EDF5 100%);}

.search-dialog form:focus-within,.hero-search:focus-within{border-color:var(--mauve);box-shadow:0 0 0 3px rgba(59,167,179,.12)}.favorite-toggle.is-saved{background:#EAF6F1;color:#28745A;border-color:#B9DCCB}.long-read p:last-child,.content-block p:last-child{margin-bottom:0}.timeline article:last-child{padding-bottom:0}.aside-card a:hover,.reader-aside a:hover{ text-decoration:underline;text-underline-offset:3px}.footer-main .brand-symbol{background:#294966}.footer-main .brand-symbol i{background:#82D7DE}.footer-main .brand-symbol i:nth-child(3){background:#F6B65D}.mobile-menu a:hover{color:var(--mauve-deep);background:var(--lavender-soft)}.empty-state .button{margin-top:10px}.page-hero .status{margin:10px 0}.article-body blockquote{margin:24px 0;padding:17px 22px;border-left:3px solid var(--mauve);background:var(--lavender-soft)}.article-body table{width:100%;border-collapse:collapse;font-size:12px}.article-body th,.article-body td{padding:11px;border-bottom:1px solid var(--line);text-align:left}.article-body th{background:var(--cream-2)}.standard-main .content-block:nth-child(5n+2){background:linear-gradient(90deg,rgba(234,246,248,.7),transparent);padding-right:25px}.standard-main .content-block:nth-child(5n+4){border-bottom-color:rgba(24,126,141,.25)}.story-card:nth-child(3n+2) .story-mark{background:linear-gradient(135deg,#FFF5E6,#F8E9D0)}.story-card:nth-child(3n) .story-mark{background:linear-gradient(135deg,#E5EDF5,#D8E4ED)}.story-card h3 a:hover,.hero-bottom a:hover{color:var(--mauve-deep)}.section-dark .eyebrow{color:#82D7DE}.section-dark .text-link{color:#82D7DE}.faq-list details[open] summary,.faq-preview details[open] summary{color:var(--mauve-deep)}.search-suggestions a:hover,.hero-tags a:hover{background:#DDEFF0}.back-top:hover{background:var(--mauve-deep)}
@media(max-width:1200px){.desktop-nav{gap:10px}.nav-link{font-size:11px}.header-inner{gap:18px}.ticker span{display:none}}
@media(max-width:1024px){.desktop-nav{display:none}.header-inner{justify-content:space-between}.menu-trigger{display:grid}.mobile-menu{position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 25px 20px;display:grid;grid-template-columns:repeat(3,1fr);gap:0 18px;box-shadow:var(--shadow)}.mobile-menu[hidden]{display:none}.mobile-menu a{padding:11px 4px;border-bottom:1px solid var(--line);font-size:13px}.hero-layout{grid-template-columns:1.2fr .8fr;min-height:490px}.hero-copy h1{font-size:clamp(2.5rem,5.5vw,4rem)}.status-board{grid-template-columns:1fr 1fr}.status-board>div{grid-row:span 3}.story-grid{gap:13px}.footer-main{gap:4%}}
@media(max-width:900px){.hero-layout{grid-template-columns:1fr;padding:48px 0 35px;min-height:0}.hero-aside{grid-template-columns:1.2fr 1fr 1fr}.aside-feature{grid-row:span 2}.aside-mini{padding:12px;align-items:flex-start;flex-direction:column;gap:5px}.hero-bottom{gap:17px;overflow:auto}.section{padding-top:68px;padding-bottom:68px}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.story-grid .story-card:last-child:nth-child(odd){grid-column:1/-1}.discussion{grid-template-columns:1fr}.topic-matrix{grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,140px)}.topic-matrix>a:first-child{grid-row:span 2}.relation-chain{flex-wrap:wrap}.relation-chain>a{flex:1 1 40%}.relation-chain>i{display:none}.app-section{grid-template-columns:1fr}.device-art{max-width:650px;width:100%;margin:auto}.standard-layout,.detail-layout{grid-template-columns:1fr}.standard-aside{grid-template-columns:1fr 1fr}.faq-page{grid-template-columns:1fr}.faq-page>aside{position:static}.reader-layout{grid-template-columns:1fr}.reader-aside{flex-direction:row;flex-wrap:wrap}.footer-main{grid-template-columns:1.5fr 1fr 1fr;row-gap:35px}.footer-brand{grid-column:1/-1}.faq-preview{grid-template-columns:1fr;gap:25px}}
@media(max-width:768px){.header-inner{padding:0 18px}.hero-shell{padding:14px 18px 0}.ticker{gap:15px}.ticker a:nth-of-type(n+3){display:none}.hero-layout{padding:40px 0 30px}.hero-copy h1{font-size:clamp(2.35rem,9vw,3.4rem)}.hero-copy>p{font-size:14px}.hero-aside{grid-template-columns:1fr 1fr}.aside-feature{grid-column:1/-1;grid-row:auto}.aside-mini{flex-direction:row;align-items:center}.hero-bottom{height:58px;font-size:10px;gap:20px}.hero-bottom>b{display:none}.section{padding:58px 18px}.section-tint,.section-dark{padding-left:18px;padding-right:18px}.section-tint>* ,.section-dark>*{max-width:none}.section-heading{align-items:flex-start;flex-direction:column;gap:12px;margin-bottom:25px}.section-heading h2{font-size:27px}.overview{grid-template-columns:1fr;gap:22px}.route-list a{grid-template-columns:38px 1fr 25px;padding:15px 3px}.route-list small{display:none}.feature-band{grid-template-columns:1fr}.feature-band>div{padding:27px 24px}.feature-band h3{font-size:23px}.feature-band aside{padding:24px}.status-board{grid-template-columns:1fr}.status-board>div{grid-row:auto}.status-board article{padding:15px}.split{grid-template-columns:1fr;gap:30px}.steps article{grid-template-columns:76px 1fr}.discussion>div{padding:26px 23px}.discussion h3{font-size:21px}.topic-matrix{grid-template-rows:repeat(3,125px);gap:8px}.topic-matrix>a{padding:14px}.topic-matrix b{font-size:16px;margin-top:9px}.topic-matrix small{font-size:10px}.timeline{padding-left:24px}.timeline article{grid-template-columns:62px 1fr;gap:12px}.timeline article:before{left:-30px}.relation-chain>a{flex-basis:100%}.editorial{grid-template-columns:1fr;gap:25px}.device-art{min-height:270px}.faq-preview{padding-top:50px}.final-note{align-items:flex-start;flex-direction:column}.page-hero{padding:55px 20px 45px}.page-hero h1{font-size:clamp(2.3rem,9vw,3.2rem)}.reader-copy{padding:30px 23px}.shelf-grid{grid-template-columns:1fr 1fr}.standard-aside{grid-template-columns:1fr}.block-2{padding-left:18px}.block-3{padding-right:0}.footer-main{padding:48px 20px 35px;grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{padding:16px 20px;flex-wrap:wrap;gap:8px 15px}.footer-bottom a{margin-left:0}.mobile-bottom-nav{position:fixed;z-index:90;bottom:0;left:0;right:0;height:58px;display:flex;justify-content:space-around;align-items:center;background:rgba(255,255,255,.97);border-top:1px solid var(--line);backdrop-filter:blur(12px);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;font-size:18px;color:var(--mauve-deep);line-height:1.1}.mobile-bottom-nav span{font-size:9px;color:var(--ink-3)}.site-footer{padding-bottom:60px}.back-top{bottom:75px}.search-dialog{padding:34px 22px}}
@media(max-width:600px){.brand b{font-size:18px}.brand-symbol{width:32px;height:32px}.header-tools{gap:5px}.tool-link,.menu-trigger{width:34px;height:34px}.hero-search{gap:7px;padding-left:11px}.hero-search button{padding:10px 12px;font-size:11px}.hero-tags{gap:6px}.hero-tags>span{width:100%}.hero-actions .button{font-size:11px;padding:9px 12px}.hero-aside{grid-template-columns:1fr}.aside-mini{flex-direction:row}.hero-bottom a{flex-shrink:0}.story-grid{grid-template-columns:1fr}.story-grid .story-card:last-child:nth-child(odd){grid-column:auto}.story-mark{height:85px}.story-card-body>p{min-height:0}.topic-matrix{grid-template-columns:1fr 1fr;grid-template-rows:140px 140px 140px}.topic-matrix>a:first-child{grid-row:span 2}.topic-matrix>a:nth-child(6){grid-column:1/-1}.timeline article{grid-template-columns:1fr;gap:4px}.shelf-grid{grid-template-columns:1fr}.search-page-form{padding:5px 6px 5px 12px}.reader-toolbar{gap:10px;padding:12px}.reader-copy{padding:25px 19px}.footer-main{grid-template-columns:1fr 1fr;gap:25px 18px}.footer-col{gap:8px}.footer-bottom{font-size:9px}.footer-bottom span:nth-child(2){width:100%;order:3}.not-found{margin:45px 18px}.standard-layout{gap:25px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal-ready{opacity:1;transform:none}}

.editorial-check{padding-top:65px}.checklist-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.checklist-columns article{padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px}.checklist-columns b{font-size:14px;color:var(--mauve-deep)}.checklist-columns p{font-size:11px;margin:9px 0 0}.metrics-note{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:center;background:#EAF6F8;border-radius:18px;margin-top:0;margin-bottom:30px}.metrics-note h2{margin:10px 0}.metrics-note>div:first-child p{max-width:640px;font-size:13px}.metric-stamp{display:grid;grid-template-columns:55px 1fr;align-items:center;gap:9px 14px;padding:22px;background:#fff;border-radius:14px}.metric-stamp strong{font-size:18px;color:var(--mauve-deep)}.metric-stamp span{font-size:12px;color:var(--ink-2)}@media(max-width:900px){.checklist-columns{grid-template-columns:repeat(2,1fr)}.metrics-note{grid-template-columns:1fr;gap:20px}}@media(max-width:600px){.checklist-columns{grid-template-columns:1fr}.metrics-note{padding:24px 18px}}