:root{--ink:#07111c;--navy:#0b1b2a;--panel:#102638;--line:#d7e2eb;--paper:#fbfdfd;--text:#17263a;--muted:#56677a;--green:#087c5b;--mint:#25d293;--gold:#d69b18;--blue:#1677b8;--danger:#b63c49;--shadow:0 18px 50px rgba(25,49,70,.14);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#f6fbfb 0,#fff 360px);font-size:15px;line-height:1.7}a{color:var(--blue)}button,input{font:inherit}.skip{position:fixed;top:-60px;left:20px;z-index:100;background:#fff;padding:10px 14px;border-radius:8px}.skip:focus{top:12px}.topbar{height:70px;position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;padding:0 30px;border-bottom:1px solid var(--line);background:rgba(251,253,253,.94);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-family:Georgia,serif;font-size:20px;font-weight:700;white-space:nowrap}.brand img{width:29px;height:29px;border-radius:8px}.brand>span>span{color:var(--green)}.brand small{font:700 10px/1 Inter,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);padding:5px 7px;border:1px solid #ead7a5;border-radius:99px}.search-trigger{margin:auto;min-width:min(480px,38vw);display:flex;align-items:center;gap:9px;padding:9px 12px;border:1px solid #c9d8e4;border-radius:10px;background:#fff;color:#687a8d;text-align:left;cursor:pointer}.search-trigger kbd{margin-left:auto}.top-actions{display:flex;align-items:center;gap:12px}.back-link{font-weight:700;font-size:12px;text-decoration:none;white-space:nowrap}.language-menu{position:relative}.language-menu>button{display:flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid #c9d8e4;border-radius:9px;background:#fff;color:var(--text);font-weight:700;cursor:pointer}.language-menu [role=menu]{position:absolute;right:0;top:calc(100% + 6px);min-width:150px;padding:5px;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow)}.language-menu [role=menu] a{display:flex;align-items:center;gap:8px;padding:7px 9px;text-decoration:none;color:var(--text);border-radius:6px}.language-menu [role=menu] a[aria-current=true]{background:#eef7f4;font-weight:800}.mobile-menu{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 10px}.layout{max-width:1500px;margin:0 auto;display:grid;grid-template-columns:248px minmax(0,820px) 210px;gap:42px;padding:0 30px}.sidebar{position:sticky;top:70px;height:calc(100vh - 70px);padding:28px 16px 24px 0;border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:auto}.sidebar nav section{margin-bottom:23px}.sidebar nav h2{font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:#8998a8;margin:0 0 6px}.sidebar nav a{display:block;padding:6px 10px;border-radius:7px;text-decoration:none;color:#4c6074;font-size:13px;font-weight:600}.sidebar nav a:hover{background:#eff6f6;color:var(--ink)}.sidebar nav a[aria-current=page]{background:#e5f5ef;color:#075d47;font-weight:800;box-shadow:inset 3px 0 var(--green)}.sidebar footer{margin-top:auto;display:grid;gap:2px;padding:15px 10px;border-top:1px solid var(--line);font-size:11px;color:#8493a2}.sidebar footer a{text-decoration:none;font-weight:700}.content{min-width:0;padding:27px 0 90px}.breadcrumb{display:flex;gap:8px;align-items:center;color:#8796a5;font-size:12px;margin-bottom:30px}.breadcrumb a{text-decoration:none}.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:30px}.eyebrow{font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--gold)}h1{font:700 clamp(34px,5vw,52px)/1.08 Georgia,serif;color:var(--ink);letter-spacing:-.025em;margin:7px 0 12px}.article-head p,.lead{font-size:18px;line-height:1.65;color:#516679;max-width:720px}article h2{font:700 27px/1.25 Georgia,serif;color:var(--ink);margin:48px 0 13px;scroll-margin-top:92px}article p{color:#475c70}.callout{margin:27px 0;padding:16px 18px;border:1px solid;border-left-width:4px;border-radius:10px;background:#f4f8fb}.callout strong{display:block;color:var(--ink);margin-bottom:2px}.callout p{margin:0;font-size:14px}.callout.info{border-color:#84c5e9;background:#eff9fe}.callout.tip{border-color:#77c9ad;background:#effaf6}.callout.warning{border-color:#e2bd65;background:#fff9e9}.callout.danger{border-color:#dd8992;background:#fff3f4}.doc-figure{margin:30px 0;border:1px solid #cddce6;border-radius:14px;overflow:hidden;background:#081725;box-shadow:var(--shadow)}.doc-figure img{display:block;width:100%;height:auto}.doc-figure figcaption{padding:10px 14px;background:#f2f7f9;color:#617487;font-size:12px;border-top:1px solid #d4e0e7}.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.choice-grid a{display:grid;gap:6px;padding:17px;border:1px solid #cddce6;border-radius:11px;text-decoration:none;background:#fff;color:var(--text);box-shadow:0 4px 14px rgba(20,48,69,.05)}.choice-grid a:hover{border-color:#54b895;transform:translateY(-1px)}.choice-grid span{font-size:13px;color:var(--muted);line-height:1.5}.table-wrap{overflow:auto;margin:20px 0;border:1px solid #cedce5;border-radius:11px;background:#fff}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;background:#edf4f6;color:#31495d;font-size:11px;text-transform:uppercase;letter-spacing:.06em}th,td{padding:12px 14px;border-bottom:1px solid #dde6ec;vertical-align:top}tr:last-child td{border-bottom:0}td{color:#506477}.steps{list-style:none;padding:0;counter-reset:steps;margin:25px 0}.steps li{counter-increment:steps;display:grid;grid-template-columns:38px 1fr;gap:13px;position:relative;padding-bottom:20px}.steps li>span:before{content:counter(steps);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#0c7659;color:#fff;font-weight:900}.steps li:not(:last-child)>span:after{content:"";position:absolute;width:2px;background:#cce2db;top:34px;bottom:0;left:16px}.steps strong{display:block;color:var(--ink);padding-top:3px}.steps p{margin:2px 0 0;font-size:14px}.checklist{padding:0;list-style:none}.checklist li{position:relative;padding:8px 0 8px 32px;color:#485d70}.checklist li:before{content:"✓";position:absolute;left:0;top:8px;display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:#dff4ec;color:#087255;font-weight:900}.safety-list{padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}.safety-list li{display:grid;gap:4px;padding:17px;border:1px solid #cedde5;border-radius:11px;background:#fff}.safety-list b{color:var(--ink)}.safety-list span{font-size:13px;color:var(--muted)}.toc{position:sticky;top:70px;height:calc(100vh - 70px);padding-top:83px;overflow:auto}.toc>strong{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:#8795a3;margin-bottom:8px}.toc>a{display:block;padding:5px 0 5px 11px;border-left:1px solid #d4dfe6;text-decoration:none;color:#67798a;font-size:12px}.risk-note{margin-top:24px;padding:12px;border-radius:9px;background:#fff8e7;color:#765b1f;font-size:11px;line-height:1.5}.article-feedback{margin-top:50px;padding:18px;display:flex;align-items:center;justify-content:space-between;border:1px solid #cfe0e7;border-radius:11px;background:#f6fafb}.article-feedback a{font-size:13px;font-weight:800}.page-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.page-nav a{display:grid;padding:14px 16px;border:1px solid #d3dfe7;border-radius:10px;text-decoration:none;background:#fff}.page-nav span{font-size:10px;text-transform:uppercase;color:#8998a5}.page-nav b{color:#173449}.page-nav .next{text-align:right}.search-dialog{position:fixed;inset:0;z-index:90;padding:10vh 20px;background:rgba(5,14,23,.68);backdrop-filter:blur(7px)}.search-card{max-width:650px;margin:auto;background:#fff;border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.35);overflow:hidden}.search-card label{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}.search-card input{flex:1;border:0;outline:0;font-size:17px}.search-results{max-height:60vh;overflow:auto;padding:8px}.search-results>p{padding:18px;color:var(--muted)}.search-results a{display:grid;padding:12px 13px;border-radius:8px;text-decoration:none}.search-results a:hover{background:#eff7f5}.search-results strong{color:var(--ink)}.search-results span{font-size:12px;color:var(--muted)}kbd{border:1px solid #cfdae2;border-bottom-width:2px;border-radius:5px;padding:1px 5px;background:#f6f8fa;color:#718190;font-size:10px}.not-found{max-width:600px;margin:14vh auto;padding:30px}.search-open{overflow:hidden}
@media(max-width:1100px){.layout{grid-template-columns:220px minmax(0,1fr);gap:30px}.toc{display:none}.back-link{display:none}}
@media(max-width:760px){.topbar{height:62px;padding:0 14px;gap:10px}.brand small,.search-trigger kbd,.search-trigger{min-width:0}.search-trigger{margin-left:auto;width:42px;font-size:0;padding:9px 12px}.search-trigger span{font-size:19px}.top-actions{gap:7px}.language-menu>button>span:nth-child(2),.language-menu>button>span:nth-child(3){display:none}.mobile-menu{display:block}.layout{display:block;padding:0 18px}.sidebar{display:none;position:fixed;z-index:45;top:62px;left:0;width:min(320px,88vw);height:calc(100vh - 62px);padding:22px;background:#fff;box-shadow:20px 20px 45px rgba(0,0,0,.22)}.sidebar.open{display:flex}.content{padding-top:20px}.breadcrumb{margin-bottom:20px}.article-head p,.lead{font-size:16px}.choice-grid,.safety-list{grid-template-columns:1fr}.page-nav{grid-template-columns:1fr}.page-nav .next{text-align:left}h1{font-size:38px}article h2{font-size:24px}.doc-figure{margin-left:-8px;margin-right:-8px}.article-feedback{align-items:flex-start;gap:12px}.topbar .language-menu [role=menu]{right:-44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.choice-grid a{transform:none!important}}
/* Shared landing-page preference controls */
.flag-icon{display:block;width:18px;height:13px;border-radius:2px;box-shadow:0 0 0 1px rgba(127,140,153,.28)}
.language-menu>button{min-width:42px;justify-content:center;padding:8px 9px}
.language-menu [role=menu] a{font-size:12px;font-weight:700}
.theme-control{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;width:196px;padding:4px;border:1px solid #c9d8e4;background:#f2f6fa;border-radius:10px}
.theme-control button{min-width:0;padding:6px 7px;border:0;border-radius:7px;background:transparent;color:#687a8d;cursor:pointer;font-size:11px;font-weight:600;white-space:nowrap}
.theme-control button[aria-pressed=true]{background:#fff;color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.16);font-weight:700}
:root[data-theme=dark]{color-scheme:dark;--ink:#f4f8fb;--navy:#07131f;--panel:#102638;--line:#293c4d;--paper:#08121c;--text:#e3edf5;--muted:#9bafc1;--green:#42d3a3;--mint:#45e2ad;--gold:#e6b74b;--blue:#70bdf0;--danger:#ff8d9a;--shadow:0 18px 50px rgba(0,0,0,.34)}
:root[data-theme=dark] body{background:linear-gradient(180deg,#0b1924 0,#08121c 360px)}
:root[data-theme=dark] .topbar{background:rgba(8,18,28,.94)}
:root[data-theme=dark] .brand{color:var(--ink)}
:root[data-theme=dark] .search-trigger,:root[data-theme=dark] .language-menu>button,:root[data-theme=dark] .mobile-menu{background:#10202f;border-color:#344a5d;color:var(--text)}
:root[data-theme=dark] .theme-control{background:#0d1b28;border-color:#344a5d}
:root[data-theme=dark] .theme-control button{color:#9fb1c1}
:root[data-theme=dark] .theme-control button[aria-pressed=true]{background:#1b3042;color:#f4f8fb}
:root[data-theme=dark] .language-menu [role=menu]{background:#10202f;border-color:#344a5d}
:root[data-theme=dark] .language-menu [role=menu] a{color:var(--text)}
:root[data-theme=dark] .language-menu [role=menu] a:hover{background:#1a3041}
:root[data-theme=dark] .language-menu [role=menu] a[aria-current=true]{background:#173b33;color:#b8f5df}
:root[data-theme=dark] .sidebar nav a{color:#a9bac9}
:root[data-theme=dark] .sidebar nav a:hover{background:#122536;color:#f4f8fb}
:root[data-theme=dark] .sidebar nav a[aria-current=page]{background:#15382f;color:#b7f3dd}
:root[data-theme=dark] .article-head p,:root[data-theme=dark] article p{color:#afc0cf}
:root[data-theme=dark] .callout{color:var(--text)}
:root[data-theme=dark] .callout strong{color:#f4f8fb}
:root[data-theme=dark] .callout.info{border-color:#2d7298;background:#102a3a}
:root[data-theme=dark] .callout.tip{border-color:#337b64;background:#102b25}
:root[data-theme=dark] .callout.warning{border-color:#8a6a27;background:#302817}
:root[data-theme=dark] .callout.danger{border-color:#984c57;background:#321d23}
:root[data-theme=dark] .doc-figure figcaption{background:#10202f;border-color:#293c4d;color:#a8bac9}
:root[data-theme=dark] .choice-grid a,:root[data-theme=dark] .table-wrap,:root[data-theme=dark] .safety-list li,:root[data-theme=dark] .page-nav a{background:#0f1f2d;border-color:#2d4355;color:var(--text)}
:root[data-theme=dark] .choice-grid span,:root[data-theme=dark] .safety-list span,:root[data-theme=dark] td{color:#a9bbca}
:root[data-theme=dark] th{background:#162a39;color:#c3d3df}
:root[data-theme=dark] th,:root[data-theme=dark] td{border-color:#293c4d}
:root[data-theme=dark] .checklist li:before{background:#174636;color:#8af0c9}
:root[data-theme=dark] .risk-note{background:#302817;color:#e8cb83}
:root[data-theme=dark] .article-feedback{background:#0e202d;border-color:#2d4355}
:root[data-theme=dark] .search-card{background:#0f1f2d}
:root[data-theme=dark] .search-card label{border-color:#293c4d}
:root[data-theme=dark] .search-card input{background:transparent;color:var(--text)}
:root[data-theme=dark] .search-results a:hover{background:#173044}
:root[data-theme=dark] kbd{background:#172939;border-color:#3a5164;color:#aabcca}
:root[data-theme=dark] .not-found{color:var(--text)}
@media(max-width:760px){body{overflow-x:hidden}.topbar{max-width:100vw}.brand{font-size:18px}.brand small,.search-trigger kbd{display:none}.content,.content article,.article-head{min-width:0;max-width:100%}h1{max-width:100%;overflow-wrap:anywhere}.content p,.content li,.content td,.content th{overflow-wrap:anywhere}.table-wrap{max-width:calc(100vw - 36px);overflow-x:auto}.table-wrap table{min-width:680px}.doc-figure{max-width:calc(100vw - 20px);overflow-x:auto}.doc-figure img{width:760px;max-width:none}.theme-control{display:none}:root[data-theme=dark] .sidebar{background:#0c1b28}}

.feature-list{margin:22px 0}.feature-list li{align-content:start}.path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:760px){.path-grid{grid-template-columns:1fr}}

.page-meta{margin:-5px 0 23px;color:var(--muted);font-size:12px}.page-meta b{color:var(--text)}

:root[data-theme=dark] .checklist li{color:#afc0cf}

/* Strategy guide: keep numbered labels and explanations in a stable two-column track. */
.strategy-guide .steps li{grid-template-columns:40px minmax(0,1fr);column-gap:14px;row-gap:4px;min-width:0}
.strategy-guide .steps li>span:before{position:absolute;left:0;top:0}
.strategy-guide .steps li:not(:last-child)>span:after{left:16px}
.strategy-guide .steps li>strong{grid-column:2;grid-row:1;min-width:0;padding-top:2px;overflow-wrap:anywhere}
.strategy-guide .steps li>span{grid-column:2;grid-row:2;min-width:0;overflow-wrap:anywhere}