:root{--bg:#F8F9FE;--card:#fff;--ink:#2A2740;--muted:#6B6794;--line:#E0E7FF;--red:#5E5CE6;--red-d:#4F4AD6;--green:#FF7A00;--amber:#FF6584;--amber-bg:#EEF0FF;--amber-ink:#5E5CE6}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"DM Sans",Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Outfit",Inter,sans-serif;line-height:1.2;color:var(--ink);margin:0 0 .5em}
p{margin:0 0 1em}
.wrap{max-width:72rem;margin:0 auto;padding:0 1rem}
@media(min-width:640px){.wrap{padding:0 1.5rem}}
.site-header{position:sticky;top:0;z-index:40;border-bottom:1px solid var(--line);background:rgba(250,250,249,.92);backdrop-filter:blur(10px)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding-top:.7rem;padding-bottom:.7rem}
.brand{display:flex;align-items:center;gap:.5rem;font-family:"Outfit",Inter,sans-serif;font-weight:700;color:var(--green);font-size:1.1rem}
.brand .logo{font-size:1.3rem}
.header-actions{display:flex;align-items:center;gap:.6rem}
.header-actions .nav-link{font-size:.9rem;font-weight:500;color:var(--muted)}
.header-actions .nav-link:hover{color:var(--green)}
.lang{display:inline-flex;border:1px solid rgba(255,122,0,.4);border-radius:999px;overflow:hidden;font-size:.75rem;font-weight:600}
.lang a{padding:.35rem .6rem;background:#fff;color:var(--muted)}
.lang a.on{background:var(--amber);color:#fff}
.site-footer{border-top:1px solid var(--line);background:var(--ink);color:#E7E5E4;margin-top:3rem}
.site-footer .wrap{padding-top:2.5rem;padding-bottom:2.5rem;display:flex;flex-direction:column;gap:1rem;align-items:center;text-align:center}
@media(min-width:640px){.site-footer .wrap{flex-direction:row;justify-content:space-between;text-align:left}}
.site-footer .foot-brand{font-family:"Outfit",Inter,sans-serif;font-weight:700;font-size:1.05rem;color:#fff}
.site-footer nav{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;font-size:.85rem}
.site-footer nav a{color:#D6D3D1}
.site-footer nav a:hover{color:var(--amber)}
.site-footer .copy{width:100%;font-size:.75rem;color:#A8A29E;text-align:center}
@media(min-width:640px){.site-footer .copy{text-align:left}}
.breadcrumb{display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:#A8A29E;flex-wrap:wrap;margin-bottom:1.5rem}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb .sep{opacity:.6}
.tag{display:inline-block;background:var(--amber-bg);color:var(--amber-ink);border-radius:999px;padding:.15rem .55rem;font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.btn{display:inline-block;border-radius:999px;padding:.7rem 1.4rem;font-weight:600;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-d)}
.btn-white{background:#fff;color:var(--red)}
.cta-box{background:linear-gradient(135deg,var(--red),var(--red-d));color:#fff;border-radius:1.25rem;padding:2rem;text-align:center;margin:3rem 0;box-shadow:0 10px 30px -10px rgba(94,92,230,.5)}
.cta-box h2{color:#fff;font-size:1.6rem;margin-bottom:.4rem}
.cta-box p{color:rgba(255,255,255,.85);margin-bottom:1.2rem}
.hero{background:linear-gradient(to bottom,var(--amber-bg),var(--bg));padding:3rem 0;text-align:center}
.hero h1{font-size:2rem;margin-bottom:.6rem}
@media(min-width:640px){.hero h1{font-size:2.4rem}}
.hero p{color:#57534E;font-size:1.1rem;max-width:36rem;margin:0 auto}
.grid{display:grid;gap:1.5rem;padding:3rem 0}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:1rem;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.04);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 20px -8px rgba(0,0,0,.12)}
.card .thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--amber-bg),var(--bg));display:flex;align-items:center;justify-content:center;font-size:2rem}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .thumb img{transform:scale(1.03)}
.card .body{padding:1.1rem;display:flex;flex-direction:column;flex:1;gap:.5rem}
.card h2{font-size:1.05rem;margin:0}
.card:hover h2{color:var(--red)}
.card .intro{color:var(--muted);font-size:.85rem;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{margin-top:auto;display:flex;justify-content:space-between;font-size:.75rem;color:#A8A29E;padding-top:.4rem}
.card .read{color:var(--red);font-weight:600}
.card .pub-date{font-size:.72rem;color:#A8A29E;padding-top:.2rem}
.tags-row{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}
.article-layout{display:grid;gap:2rem;padding:2rem 0}
@media(min-width:1024px){.article-layout{grid-template-columns:1fr 17rem}}
article.main{max-width:48rem}
article.main h1{font-size:1.9rem;line-height:1.25}
@media(min-width:640px){article.main h1{font-size:2.3rem}}
.article-meta{display:flex;gap:1rem;color:#A8A29E;font-size:.85rem;margin-bottom:1.5rem}
.featured{border-radius:1rem;overflow:hidden;box-shadow:0 8px 24px -10px rgba(0,0,0,.2);margin-bottom:2rem;max-height:26rem}
.featured img{width:100%;object-fit:cover}
.takeaways{border:1px solid rgba(94,92,230,.25);background:linear-gradient(to right,#EEF0FF,#F8F9FE);border-radius:1.25rem;padding:1.4rem;margin-bottom:2rem}
.takeaways h2{color:var(--green);font-size:1rem;margin-bottom:.6rem}
.takeaways ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}
.takeaways li{display:flex;gap:.5rem;font-size:.9rem;color:#4A4778}
.takeaways li .tick{color:var(--green);font-weight:700}
article.main section{margin:1.5rem 0}
article.main h2{font-size:1.5rem;margin-top:2rem}
article.main h3{font-size:1.2rem;color:var(--green);margin-top:1.4rem}
article.main h4{font-size:1.05rem;color:var(--green);margin-top:1.2rem}
article.main h5{font-size:1rem;color:var(--ink);margin-top:1rem}
article.main h6{font-size:.95rem;color:var(--ink);margin-top:1rem}
article.main p,article.main ul,article.main blockquote{color:#44403C}
article.main ul{padding-left:1.4rem}
article.main li{margin-bottom:.3rem}
article.main blockquote{border-left:4px solid rgba(94,92,230,.4);padding-left:1rem;font-style:italic;color:#6B6794;margin:1rem 0}
article.main a{color:var(--red);text-decoration:underline}
article.main strong{font-weight:700}
.internal-links{border:1px solid rgba(255,122,0,.25);background:var(--amber-bg);border-radius:1.25rem;padding:1.4rem;margin:2rem 0}
.internal-links h3,article.main .internal-links p{color:var(--amber-ink);font-size:.9rem;font-weight:600;margin:0 0 .6rem}
.internal-links ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.4rem}
.internal-links a{color:var(--red);font-weight:500;font-size:.9rem}
.internal-links a:hover{text-decoration:underline}
.faq{margin:2.5rem 0}
.faq h2{font-size:1.5rem;margin-bottom:1rem}
.faq details{border:1px solid var(--line);background:#fff;border-radius:.75rem;margin-bottom:.6rem;overflow:hidden}
.faq summary{padding:1rem 1.1rem;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq .faq-answer{padding:0 1.1rem 1rem;color:#57534E}
.faq .faq-answer p{margin:0 0 .6rem;color:#57534E}
.faq .faq-answer p:last-child{margin-bottom:0}
.faq .faq-answer ul{padding-left:1.2rem;margin:.3rem 0 .6rem;color:#57534E}
.faq .faq-answer li{margin-bottom:.25rem}
.faq .faq-answer h3,.faq .faq-answer h4{font-size:.95rem;color:var(--green);margin:.6rem 0 .3rem}
.faq .faq-answer a{color:var(--red);text-decoration:underline}
.related{margin:2.5rem 0}
.related h2{font-size:1.5rem;margin-bottom:1rem}
.related .grid{padding:0}
aside.toc{display:none}
@media(min-width:1024px){aside.toc{display:block}}
aside.toc .sticky{position:sticky;top:5rem;border:1px solid var(--line);background:#fff;border-radius:1rem;padding:1.2rem}
aside.toc .label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#A8A29E;font-weight:600;margin-bottom:.6rem}
aside.toc ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.1rem}
aside.toc a{display:block;padding:.3rem .5rem;border-radius:.4rem;font-size:.85rem;color:#57534E}
aside.toc a:hover{background:var(--amber-bg);color:var(--red)}
aside.toc .toc-cta{margin-top:1rem;padding-top:1rem;border-top:1px solid #F5F5F4}
.tag-filter{position:sticky;top:3.5rem;z-index:30;border-bottom:1px solid var(--line);background:rgba(250,250,249,.92);backdrop-filter:blur(8px)}
.tag-filter .wrap{padding-top:.6rem;padding-bottom:.6rem;display:flex;align-items:center;gap:.5rem;overflow-x:auto}
.tag-filter .chip{flex-shrink:0;border:1px solid var(--line);border-radius:999px;padding:.3rem .7rem;font-size:.75rem;font-weight:500;color:var(--muted);background:#fff;cursor:pointer}
.tag-filter .chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.tag-filter .chip.on-red{background:var(--red);color:#fff;border-color:var(--red)}
.empty{padding:5rem 0;text-align:center;color:#A8A29E}