:root{--ink:#171717;--text:#292925;--muted:#66645d;--yellow:#f5c400;--yellow-soft:#fff3ad;--warm:#f7f5ee;--line:#e6e2d8;--white:#fff;--radius:22px;--shadow:0 18px 50px rgba(23,23,23,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:#fff;font:16px/1.7 Barlow,Arial,sans-serif}a{color:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav{min-height:76px;display:flex;align-items:center;gap:26px}.logo img{width:56px;height:56px;object-fit:contain}.nav-links{margin-left:auto;display:flex;align-items:center;gap:22px}.nav-links a{text-decoration:none;font-weight:600}.nav-links .call{background:var(--yellow);padding:10px 15px;border-radius:11px}.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:92px 0}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,23,23,.98) 0%,rgba(23,23,23,.88) 52%,rgba(23,23,23,.35) 100%);z-index:1}.hero.has-image:after{content:"";position:absolute;inset:0;background-image:var(--hero);background-size:cover;background-position:center;opacity:.42}.hero .wrap{position:relative;z-index:2}.hero-copy{max-width:760px}.crumbs{font-size:.86rem;color:#d7d4ca;margin-bottom:18px}.crumbs a{color:var(--yellow);text-decoration:none}.eyebrow{display:block;color:var(--yellow);text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:700;margin-bottom:14px}.hero h1,.section h2,.card h2{font-family:"Barlow Condensed",Arial,sans-serif;line-height:1;letter-spacing:-.02em}.hero h1{font-size:clamp(3rem,6vw,5.4rem);margin:0}.hero p{max-width:720px;color:#ddd;font-size:1.12rem;margin:23px 0 0}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 19px;border-radius:12px;background:var(--yellow);color:var(--ink);font-weight:700;text-decoration:none}.button.outline{background:transparent;color:#fff;border:1px solid #777}.section{padding:82px 0}.section.alt{background:var(--warm)}.section-head{display:grid;grid-template-columns:1fr .65fr;gap:70px;align-items:end;margin-bottom:38px}.section h2{font-size:clamp(2.3rem,4.5vw,4rem);margin:0;color:var(--ink)}.section-head p{color:var(--muted);margin:0}.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.category-card{display:grid;grid-template-columns:80px 1fr;gap:21px;align-items:start;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-decoration:none;transition:.22s}.category-card:hover{transform:translateY(-4px);border-color:var(--yellow);box-shadow:var(--shadow)}.category-icon{width:68px;height:68px;border-radius:20px;background:var(--yellow-soft);display:grid;place-items:center;font-size:2rem}.category-card h2{font-size:2rem;margin:0 0 7px}.category-card p{margin:0;color:var(--muted)}.category-card small{display:block;margin-top:13px;font-weight:700;color:#615100}.search-box{display:flex;gap:10px;max-width:720px;margin-top:30px}.search-box input{flex:1;padding:15px 17px;border-radius:12px;border:1px solid #666;background:#fff;color:var(--ink);font:inherit}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:-36px;position:relative;z-index:4}.quick-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px;box-shadow:var(--shadow)}.quick-card b{display:block;color:var(--ink);font-size:1.05rem}.quick-card span{color:var(--muted);font-size:.92rem}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:42px;align-items:start}.article-main{min-width:0}.intro{font-size:1.13rem;color:var(--muted);padding:26px 28px;background:var(--warm);border-left:5px solid var(--yellow);border-radius:0 16px 16px 0}.answer-list{display:grid;gap:15px;margin-top:30px}.answer{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}.answer summary{cursor:pointer;list-style:none;padding:20px 56px 20px 22px;font:700 1.24rem "Barlow Condensed",Arial,sans-serif;position:relative}.answer summary::-webkit-details-marker{display:none}.answer summary:after{content:"+";position:absolute;right:20px;top:16px;width:30px;height:30px;border-radius:50%;background:var(--yellow-soft);display:grid;place-items:center;font:700 1.2rem Arial}.answer[open] summary:after{content:"−"}.answer .answer-body{padding:0 22px 21px;color:var(--muted)}.answer-body p{margin:0}.answer-body strong{color:var(--ink)}.side{position:sticky;top:98px}.side-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:27px}.side-card h2{color:#fff;font-size:2rem;margin:0 0 12px}.side-card p{color:#bbb}.side-card .button{width:100%;margin-top:8px}.toc{margin-top:16px;border:1px solid var(--line);border-radius:16px;padding:20px}.toc strong{display:block;margin-bottom:8px}.toc a{display:block;text-decoration:none;color:var(--muted);padding:5px 0}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related a{padding:20px;border-radius:16px;background:#fff;border:1px solid var(--line);text-decoration:none;font-weight:700}.related a:hover{border-color:var(--yellow)}.notice{padding:22px;border-radius:16px;background:var(--yellow-soft);margin:28px 0}.notice strong{display:block;color:var(--ink)}.cta{background:var(--yellow);border-radius:26px;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{font-size:2.7rem}.cta p{margin:8px 0 0}.cta .button{background:var(--ink);color:#fff;white-space:nowrap}.footer{background:var(--ink);color:#aaa;padding:42px 0}.footer-row{display:flex;justify-content:space-between;gap:24px}.footer a{color:#fff}.empty{display:none;padding:26px;border:1px dashed var(--line);border-radius:16px;color:var(--muted)}
@media(max-width:900px){.article-layout{grid-template-columns:1fr}.side{position:static}.section-head{grid-template-columns:1fr;gap:16px}.quick-grid{grid-template-columns:1fr}.related{grid-template-columns:1fr}.nav-links a:not(.call){display:none}}
@media(max-width:680px){.wrap{width:calc(100% - 28px)}.hero{padding:70px 0}.category-grid{grid-template-columns:1fr}.category-card{grid-template-columns:58px 1fr;padding:21px}.category-icon{width:54px;height:54px;border-radius:16px;font-size:1.5rem}.section{padding:62px 0}.cta{align-items:flex-start;flex-direction:column}.footer-row{flex-direction:column}.search-box{flex-direction:column}}

/* Photograph-backed guide cards */
.category-card.photo-guide{position:relative;isolation:isolate;overflow:hidden;display:grid;grid-template-columns:1fr;align-items:end;min-height:360px;padding:30px;background:#171717;border:0;color:#fff}
.photo-guide .guide-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .25s}
.photo-guide:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(0,0,0,.04),rgba(0,0,0,.5) 40%,rgba(0,0,0,.94))}
.photo-guide .guide-copy{display:block}.photo-guide h2{color:#fff;font-size:2.1rem}.photo-guide p{color:#f0f0f0}.photo-guide small{color:#f5c400}.photo-guide:hover .guide-photo{transform:scale(1.035)}.photo-guide:focus-visible{outline:3px solid #f5c400;outline-offset:4px}
@media(max-width:680px){.category-card.photo-guide{min-height:340px;padding:24px}.photo-guide h2{font-size:1.9rem}}
@media(prefers-reduced-motion:reduce){.photo-guide .guide-photo{transition:none}}