:root{--bg:#0e0f10;--panel:#151617;--panel2:#1b1c1e;--paper:#f5f2ea;--ink:#111214;--gold:#c79a38;--gold2:#e0bd6b;--line:#2b2d30;--muted:#a7aaad;--white:#fff;--max:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--white);font-family:Arial,Helvetica,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.topline{height:5px;background:var(--gold)}header{position:sticky;top:0;z-index:50;background:rgba(14,15,16,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.head{height:76px;display:flex;align-items:center;gap:30px}.brand{font-weight:900;font-size:26px;letter-spacing:-.04em;white-space:nowrap}.brand b{color:var(--gold)}.nav{margin-left:auto;display:flex;gap:24px;font-size:13px;font-weight:800}.nav a:hover{color:var(--gold2)}
.hero{padding:72px 0 64px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:end}.hero h1{font-size:clamp(54px,8vw,108px);line-height:.86;letter-spacing:-.065em;margin:0 0 28px}.hero-copy p{font-size:19px;line-height:1.55;color:#c7c9cb;max-width:760px;margin:0}.process-map{display:grid;gap:8px;border-left:1px solid var(--line);padding-left:28px}.process-step{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:start;padding:10px 0}.step-num{width:28px;height:28px;border:1px solid #6a572b;color:var(--gold2);display:grid;place-items:center;font-weight:900;font-size:11px}.process-step strong{display:block;font-size:14px}.process-step span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.section{padding:66px 0}.section h2{font-size:clamp(34px,4vw,54px);letter-spacing:-.045em;margin:0 0 10px}.section-intro{color:var(--muted);margin:0 0 30px;max-width:820px}.eyebrow{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold2);font-weight:900;margin-bottom:8px}.task-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.task-card{background:var(--panel);border:1px solid var(--line);padding:22px;min-height:180px;display:flex;flex-direction:column}.task-card:hover{border-color:#6a572b}.task-card h3{font-size:20px;margin:0 0 10px;letter-spacing:-.02em}.task-card p{color:#b8bbbd;font-size:13px;margin:0}.task-card .arrow{margin-top:auto;color:var(--gold2);font-weight:900;padding-top:18px}
.method{background:var(--paper);color:var(--ink)}.method-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}.method h2{color:var(--ink)}.method p{color:#4f4b45}.method-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.method-point{border:1px solid #d8d0c3;padding:20px}.method-point strong{display:block;margin-bottom:6px}.method-point span{color:#5e5952;font-size:13px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.guide-card{border:1px solid var(--line);background:var(--panel);padding:22px;min-height:210px;display:flex;flex-direction:column}.guide-card:hover{border-color:#6a572b}.guide-card h3{margin:0 0 10px;font-size:22px;letter-spacing:-.025em}.guide-card p{margin:0;color:#b8bbbd;font-size:13px}.guide-card .arrow{margin-top:auto;padding-top:22px;color:var(--gold2);font-weight:900;font-size:12px}
.brand-section{border-top:1px solid var(--line)}.brand-panel{display:grid;grid-template-columns:.75fr 1.25fr;gap:32px;border:1px solid var(--line);background:var(--panel);padding:28px}.brand-panel p{color:#b8bbbd;margin:8px 0 0}.brand-panel .brand-actions{display:flex;gap:10px;align-items:flex-end;justify-content:flex-end;flex-wrap:wrap}
.category-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:24px}.category-card{background:var(--panel);border:1px solid var(--line);padding:20px;min-height:110px;display:flex;flex-direction:column;justify-content:space-between}.category-card:hover{border-color:#6a572b}.category-card strong{font-size:16px}.category-card span{color:var(--muted);font-size:12px}
.catalog-head{border-top:1px solid var(--line);padding-top:52px}.tools{display:grid;grid-template-columns:1fr 250px;gap:12px;margin:24px 0 12px}.tools input,.tools select{width:100%;background:var(--panel);border:1px solid var(--line);color:#fff;padding:13px 14px;outline:none}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 20px}.filter-btn{background:var(--panel);border:1px solid var(--line);color:#fff;padding:9px 12px;font-size:12px;font-weight:800;cursor:pointer}.filter-btn.active{background:var(--gold);border-color:var(--gold);color:#111}.count{color:var(--muted);font-size:12px;margin-bottom:14px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.card{background:var(--paper);color:var(--ink);border:1px solid #d9d3c8;display:flex;flex-direction:column;min-height:500px}.visual{height:225px;background:#f6f6f3;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border-bottom:1px solid #e2ded5}.product-image-link{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.product-image{display:block;width:100%;height:100%;object-fit:contain;padding:12px;transition:transform .2s ease}.visual:hover .product-image{transform:scale(1.025)}.body{padding:17px;display:flex;flex-direction:column;flex:1}.cat{font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#826322;font-weight:900}.body h3{font-size:17px;line-height:1.18;margin:8px 0 8px}.desc{font-size:12px;color:#65605a;margin:0 0 12px}.refprice{font-size:14px;font-weight:900;margin-top:auto;display:none}.refprice.show{display:block}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto;padding-top:16px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:42px;padding:10px 12px;border:1px solid currentColor;font-weight:900;font-size:12px;cursor:pointer}.btn-dark{background:#111;color:#fff;border-color:#111}.btn-gold{background:var(--gold);border-color:var(--gold);color:#111}.btn-outline{background:transparent;color:#fff;border-color:#4a4d50}.btn-muted{background:#d7d1c5;border-color:#d7d1c5;color:#777;cursor:not-allowed}.paid-link-note{align-self:center;font-size:9px;color:#777;letter-spacing:.04em;white-space:nowrap}
.learn-hero,.category-hero{padding:60px 0 30px;border-bottom:1px solid var(--line)}.learn-hero h1,.category-hero h1{font-size:clamp(42px,6vw,78px);line-height:.96;letter-spacing:-.055em;margin:6px 0 14px}.learn-hero p,.category-hero p{max-width:840px;color:#b8bbbd}.article{padding:58px 0}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:60px;align-items:start}.article-main{max-width:850px}.article-main h2{font-size:30px;letter-spacing:-.035em;margin:46px 0 12px}.article-main p{color:#d0d2d4;font-size:16px;line-height:1.72}.article-main ol,.article-main ul{color:#d0d2d4;padding-left:24px;line-height:1.65}.article-main li{margin:8px 0}.article-side{position:sticky;top:105px}.side-card{border:1px solid var(--line);padding:18px;background:var(--panel);margin-bottom:12px}.side-card h3{margin:0 0 10px;font-size:15px}.side-card a{display:block;color:#c7c9cb;font-size:12px;padding:7px 0;border-top:1px solid var(--line)}.side-card a:hover{color:var(--gold2)}
.decision-table{width:100%;border-collapse:collapse;margin:32px 0;background:#131415}.decision-table th,.decision-table td{text-align:left;vertical-align:top;border:1px solid var(--line);padding:13px 14px}.decision-table th{color:var(--gold2);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.decision-table td{font-size:13px;color:#d0d2d4}.related-products{margin-top:52px;padding-top:40px;border-top:1px solid var(--line)}
.product-page{padding:62px 0}.crumbs{color:var(--muted);font-size:12px;margin-bottom:26px}.product-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}.product-art{min-height:420px;background:#f6f6f3;color:#111;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:24px}.product-art img{display:block;width:100%;height:100%;max-height:520px;object-fit:contain}.product-copy h1{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.05em;margin:9px 0 16px}.product-copy .desc{font-size:16px;color:#c8cbce;max-width:720px;line-height:1.6}.product-actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 12px}.source-meta{font-size:11px;color:var(--muted);margin-top:20px}.product-education{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:38px}.edu-box{border:1px solid var(--line);background:var(--panel);padding:22px}.edu-box h2{font-size:15px;letter-spacing:.02em;margin:0 0 10px;color:var(--gold2)}.edu-box p{margin:0;color:#c8cbce;font-size:13px;line-height:1.6}.guide-link-box{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px}.guide-link-box p{max-width:700px}.category-context{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0 34px}.context-box{border:1px solid var(--line);background:var(--panel);padding:20px}.context-box h3{margin:0 0 8px;font-size:17px}.context-box p{margin:0;color:#b8bbbd;font-size:13px}.empty{padding:40px;border:1px solid var(--line);color:var(--muted);text-align:center;grid-column:1/-1}
.footer{border-top:1px solid var(--line);padding:38px 0 46px;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}.footer h4{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--gold2);margin:0 0 9px}.footer p{color:var(--muted);font-size:12px;margin:0}.footer a:hover{color:#fff}.footer-note{margin-top:10px!important;max-width:360px}.fine{grid-column:1/-1;border-top:1px solid var(--line);padding-top:18px;margin-top:8px}
@media(max-width:1050px){.task-grid{grid-template-columns:repeat(2,1fr)}.guide-grid{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:repeat(3,1fr)}.category-strip{grid-template-columns:repeat(3,1fr)}.hero-grid,.method-grid,.product-layout{grid-template-columns:1fr}.process-map{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:20px}.article-layout{grid-template-columns:1fr}.article-side{position:static}.hero h1{max-width:900px}}
@media(max-width:720px){.wrap{width:min(100% - 24px,var(--max))}.nav{gap:14px}.head{height:66px}.hero{padding:46px 0}.hero h1{font-size:clamp(48px,14vw,74px)}.tools{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.category-strip{grid-template-columns:repeat(2,1fr)}.method-points{grid-template-columns:1fr}.brand-panel{grid-template-columns:1fr}.brand-panel .brand-actions{justify-content:flex-start}.product-education,.category-context{grid-template-columns:1fr}.guide-link-box{grid-column:auto;align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.fine{grid-column:auto}.decision-table{display:block;overflow-x:auto}}
@media(max-width:520px){.nav{display:none}.task-grid,.guide-grid,.grid,.category-strip{grid-template-columns:1fr}.actions{grid-template-columns:1fr}.hero h1{font-size:50px}.article-main p{font-size:15px}}


.system-intro{border:1px solid var(--line);background:linear-gradient(135deg,#171819,#101112);padding:28px;margin:28px 0 34px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.system-intro h2{margin:0 0 10px}.system-intro p{margin:0;color:#c8cbce}.system-intro-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.system-stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0 40px}.system-stage-card{border:1px solid var(--line);background:var(--panel);padding:20px;min-height:160px;display:flex;flex-direction:column}.system-stage-card:hover{border-color:#6a572b}.system-stage-card .stage-number{color:var(--gold2);font-size:10px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.system-stage-card h3{margin:7px 0 8px;font-size:20px}.system-stage-card p{margin:0;color:#b8bbbd;font-size:13px}.system-stage-card .arrow{margin-top:auto;padding-top:16px;color:var(--gold2);font-weight:900;font-size:12px}.system-route{border:1px solid var(--line);background:var(--panel);padding:22px;margin:18px 0}.system-route h3{margin:0 0 8px;font-size:20px}.system-route p{margin:0 0 12px!important}.system-route ol{margin:0}.system-note{border-left:3px solid var(--gold);background:#171819;padding:18px 20px;margin:28px 0;color:#d0d2d4}.system-position{margin-top:24px}.system-position-inner{border:1px solid #66522b;background:#171819;padding:20px;display:grid;grid-template-columns:170px 1fr auto;gap:18px;align-items:center}.system-position-inner strong{font-size:22px}.system-position-inner p{margin:0;color:#c8cbce;font-size:13px;line-height:1.55}.system-position-inner a{color:var(--gold2);font-size:12px;font-weight:900;white-space:nowrap}.featured-guide{border-color:#80652d;background:linear-gradient(145deg,#1d1b16,#151617)}.gp-tools{display:grid;grid-template-columns:1fr 260px;gap:12px;margin:0 0 18px}.gp-tools input,.gp-tools select{width:100%;background:var(--panel);border:1px solid var(--line);color:#fff;padding:13px 14px;outline:none}.gp-count{color:var(--muted);font-size:12px;margin:0 0 16px}.process-link-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.process-link-row a{border:1px solid var(--line);padding:8px 10px;font-size:11px;font-weight:800;color:#c8cbce}.process-link-row a:hover{border-color:#6a572b;color:var(--gold2)}
@media(max-width:1050px){.system-intro{grid-template-columns:1fr}.system-intro-actions{justify-content:flex-start}.system-stage-grid{grid-template-columns:repeat(2,1fr)}.system-position-inner{grid-template-columns:1fr}.system-position-inner a{white-space:normal}.gp-tools{grid-template-columns:1fr}}
@media(max-width:620px){.system-stage-grid{grid-template-columns:1fr}}

.guide-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.guide-actions .btn{white-space:nowrap}@media(max-width:720px){.guide-actions{justify-content:flex-start}}