:root{--page-bg:#eef5fb;--text-main:#182b42;--text-muted:#4b6178;--accent:#165fc2;--accent-2:#56c8d8;--lavender:#b08cf0;--glass-bg:rgba(255,255,255,.8);--glass-border:rgba(255,255,255,.72);--glass-shadow:0 12px 36px rgba(31,57,91,.09);--surface-solid:#fff;--radius-card:24px;--focus:#0b4f9d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page-bg);color:var(--text-main);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.38),transparent 42%),radial-gradient(circle at 12% 8%,rgba(86,200,216,.22),transparent 28%),radial-gradient(circle at 88% 18%,rgba(176,140,240,.16),transparent 26%);z-index:-2}.ambient{position:fixed;border-radius:999px;filter:blur(30px);pointer-events:none;z-index:-1;opacity:.52}.ambient-a{width:260px;height:260px;left:-100px;top:25%;background:#c9eff7}.ambient-b{width:280px;height:280px;right:-120px;top:48%;background:#e1d8fa}.glass{background:#f8fbff;border:1px solid #dce6ef;border-radius:var(--radius-card);box-shadow:var(--glass-shadow)}@supports ((backdrop-filter:blur(12px)) or (-webkit-backdrop-filter:blur(12px))){.glass{background:var(--glass-bg);border-color:var(--glass-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}}@media (prefers-reduced-transparency:reduce){.glass{background:#f8fbff;-webkit-backdrop-filter:none;backdrop-filter:none}}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.site-header{position:sticky;top:18px;z-index:10;display:flex;align-items:center;gap:24px;max-width:1240px;margin:18px auto 0;padding:12px 16px}.brand{display:flex;align-items:center;gap:10px;font-weight:760;letter-spacing:.01em;white-space:nowrap}.brand img{width:36px;height:36px;border-radius:11px}.site-header nav{display:flex;gap:20px;align-items:center;flex:1;justify-content:center}.site-header nav a{font-size:.92rem;color:var(--text-muted);padding:8px 0;border-bottom:2px solid transparent}.site-header nav a:hover,.site-header nav a.active{color:var(--text-main);border-color:var(--accent-2)}.header-actions{display:flex;align-items:center;gap:10px}.icon-link,.language summary{display:grid;place-items:center;width:36px;height:36px;border:1px solid #cad9e6;border-radius:12px;background:#fff;color:var(--text-main);cursor:pointer}.language{position:relative}.language summary{list-style:none;font-size:.8rem}.language summary::-webkit-details-marker{display:none}.language-menu{position:absolute;right:0;top:44px;display:grid;min-width:110px;padding:8px;background:#fff;border:1px solid #dce6ef;border-radius:14px;box-shadow:var(--glass-shadow)}.language-menu a{padding:8px 10px;font-size:.88rem}.language-menu a:hover{background:#eef7fb}.menu-toggle{display:none;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;width:22px;height:2px;margin:4px;background:var(--text-main)}.mobile-menu{display:none}.section-shell{max-width:1240px;margin:0 auto;padding:110px 24px}.hero{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:64px;padding-top:84px}.kicker,.eyebrow{font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:750}.hero h1{font-size:clamp(2.7rem,6vw,5.8rem);line-height:1.04;letter-spacing:-.04em;margin:16px 0 24px;max-width:720px}.hero-text{font-size:1.12rem;color:var(--text-muted);max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.button{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:14px;font-weight:700;border:1px solid transparent}.button-primary{background:var(--accent);color:#fff}.button-primary:hover{background:#0f4da6}.button-secondary{background:rgba(255,255,255,.65);border-color:#bfd0df;color:var(--text-main)}.hero-note{display:flex;gap:10px;align-items:flex-start;color:var(--text-muted);font-size:.88rem;max-width:570px}.status-dot{width:9px;height:9px;border-radius:50%;background:var(--accent-2);margin-top:8px;flex:none}.hero-visual{padding:18px;transform:rotate(1.2deg)}.hero-visual img{width:100%;display:block;border-radius:18px}.visual-caption{display:flex;justify-content:space-between;color:var(--text-muted);font-size:.78rem;margin:12px 4px 0}.section-heading{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:32px}.section-heading h2,.split-copy h2{font-size:clamp(2rem,4vw,3.5rem);line-height:1.1;letter-spacing:-.03em;margin:12px 0 0}.section-heading p{max-width:500px;color:var(--text-muted);margin:0}.section-heading.compact{align-items:center}.rule-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.rule-figure{padding:18px;margin:0}.rule-figure img{width:100%;display:block}.rule-figure figcaption{color:var(--text-muted);font-size:.9rem;padding:12px 4px 2px}.rule-points{display:grid;gap:14px;align-content:center}.rule-points div{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:center;padding:20px;background:rgba(255,255,255,.5);border:1px solid #dce6ef;border-radius:18px}.rule-points strong{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:#d8f3f6;color:var(--accent)}.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.type-card{padding:26px;min-height:260px;display:flex;flex-direction:column;align-items:flex-start}.type-index{font-size:2.2rem;color:#9bb4ca;font-weight:800;margin-bottom:36px}.type-card h3,.article-card h3{font-size:1.35rem;line-height:1.25;margin:10px 0}.type-card p,.article-card p{color:var(--text-muted);margin:0 0 18px}.text-link{margin-top:auto;color:var(--accent);font-weight:750}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{overflow:hidden}.article-card img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}.article-card-body{padding:22px}.split-section,.mobile-section{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.split-copy p{color:var(--text-muted);max-width:560px;margin:22px 0}.split-visual,.mobile-visual{padding:24px}.split-visual img,.mobile-visual img{display:block;width:100%}.check-list{padding:0;list-style:none;color:var(--text-muted);display:grid;gap:10px;margin:0 0 24px}.check-list li:before{content:"✓";color:var(--accent);font-weight:800;margin-right:10px}.footer{max-width:1240px;margin:0 auto;padding:30px 24px 46px}.footer-brand{display:flex;gap:16px;align-items:center;padding:20px}.footer-brand img{width:46px;height:46px;border-radius:14px}.footer-brand p{margin:3px 0 0;color:var(--text-muted);font-size:.9rem}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:34px 0;border-bottom:1px solid #cfdae5}.footer-grid h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:#7790a8;margin:0 0 12px}.footer-grid a{display:block;color:var(--text-muted);padding:4px 0}.footer-grid a:hover{color:var(--accent)}.footer-bottom{display:flex;justify-content:space-between;gap:18px;color:#7890a6;font-size:.78rem;padding-top:18px}.article-layout{max-width:1160px;margin:0 auto;padding:80px 24px;display:grid;grid-template-columns:minmax(0,760px) 280px;gap:42px}.article-main{min-width:0}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;color:#6d849b;font-size:.83rem;margin-bottom:30px}.article-header h1{font-size:clamp(2.4rem,5vw,4.6rem);line-height:1.08;letter-spacing:-.04em;margin:14px 0 18px}.article-lead{font-size:1.2rem;color:var(--text-muted);max-width:720px}.article-meta{display:flex;justify-content:space-between;gap:20px;color:#6d849b;font-size:.82rem;padding:20px 0;border-bottom:1px solid #d4e0ea}.article-hero{padding:14px;margin:34px 0}.article-hero img{width:100%;display:block}.article-hero figcaption{color:#6d849b;font-size:.78rem;padding:10px 4px 2px}.article-main section{padding:14px 0}.article-main section h2{font-size:1.65rem;line-height:1.2;margin-top:26px}.article-main section p{font-size:1.06rem;color:#30465e}.article-main blockquote{margin:20px 0;padding:18px 20px;border-left:4px solid var(--accent-2);background:#f6fbfd;color:#35546f}.article-aside{position:sticky;top:100px;height:max-content;padding:22px}.article-aside h2{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:#7890a6;margin:0 0 12px}.article-aside a{display:block;padding:7px 0;color:var(--text-muted);font-size:.9rem}.article-aside a:hover{color:var(--accent)}.aside-divider{height:1px;background:#d9e4ed;margin:20px 0}.back-link{display:inline-block;margin-top:30px;color:var(--accent);font-weight:700}.listing{padding-top:90px}.listing-heading{max-width:800px;margin-bottom:34px}.listing-heading h1,.basic-card h1,.search-panel h1{font-size:clamp(2.6rem,6vw,5rem);line-height:1.05;letter-spacing:-.04em;margin:14px 0}.listing-heading p{color:var(--text-muted);font-size:1.08rem}.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.index-card{padding:20px;min-height:170px;display:flex;flex-direction:column;align-items:flex-start;gap:8px}.index-card:hover{border-color:#a9d8e4;transform:translateY(-2px)}.index-number{font-size:.8rem;color:#8da5ba}.index-card strong{font-size:1.05rem;line-height:1.35}.index-tags{color:#7890a6;font-size:.78rem;margin-top:auto}.basic-page{padding-top:90px}.basic-card{max-width:850px;padding:36px}.basic-card p{color:var(--text-muted);font-size:1.06rem}.sitemap-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px}.sitemap-list a{padding:12px 14px;border:1px solid #dce6ef;border-radius:12px;color:var(--accent);background:#fff}.search-page{padding-top:100px;min-height:60vh}.search-panel{max-width:760px;margin:0 auto;padding:34px}.search-panel label{display:block;margin:20px 0 8px;font-weight:700}.search-panel input{width:100%;padding:14px 16px;border:1px solid #bfd0df;border-radius:14px;background:#fff;color:var(--text-main);font:inherit}.search-results{display:grid;gap:8px;margin-top:18px}.search-results a{padding:12px 14px;border-bottom:1px solid #dce6ef;color:var(--accent)}@media (max-width:900px){.site-header{margin:10px 12px 0;top:10px}.site-header nav{display:none}.menu-toggle{display:block}.mobile-menu{position:sticky;top:76px;z-index:9;margin:8px 12px;padding:14px;display:grid;gap:4px}.mobile-menu a{padding:10px 8px;border-bottom:1px solid #dce6ef}.mobile-menu[hidden]{display:none}.hero{grid-template-columns:1fr;gap:36px;padding-top:60px}.hero h1{font-size:clamp(2.7rem,10vw,4.4rem)}.section-shell{padding:82px 18px}.rule-grid,.split-section,.mobile-section{grid-template-columns:1fr;gap:24px}.type-grid,.article-grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr;padding:64px 18px}.article-aside{position:static;order:-1}.footer{padding:26px 18px 38px}.footer-bottom{flex-direction:column}.index-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-header{padding:10px 12px}.brand span{font-size:.9rem}.header-actions{margin-left:auto}.section-shell{padding:68px 16px}.hero{padding-top:46px}.hero-visual{padding:10px}.hero-actions .button{width:100%;justify-content:center}.section-heading{display:block}.section-heading p{margin-top:16px}.type-grid,.article-grid,.index-grid{grid-template-columns:1fr}.type-card{min-height:220px}.article-card-body{padding:18px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}.article-header h1{font-size:2.5rem}.article-lead{font-size:1.05rem}.article-meta{display:block}.article-meta span{display:block;margin:5px 0}.basic-card,.search-panel{padding:24px}.sitemap-list{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}.hero-visual,.index-card{transform:none}}
@media (forced-colors:active){.glass,.button-secondary,.icon-link,.language summary{border:1px solid CanvasText;background:Canvas;color:CanvasText}.button-primary{border:1px solid CanvasText}.site-header nav a.active{border-color:CanvasText}.status-dot{background:CanvasText}}