:root{color-scheme:dark;--ink:#f7f3ea;--muted:#b8c0bd;--line:rgba(255,255,255,.16);--panel:rgba(11,18,24,.78);--panel-strong:rgba(15,29,34,.94);--amber:#f4b350;--ember:#e45f41;--teal:#52c7bd;--deep:#070b10}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 16% 4%,rgba(244,179,80,.18),transparent 30rem),radial-gradient(circle at 78% 18%,rgba(82,199,189,.16),transparent 34rem),linear-gradient(180deg,#070b10 0%,#0d1518 42%,#10110f 100%);color:var(--ink);font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.topbar{position:fixed;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem clamp(1rem,4vw,3.5rem);background:rgba(7,11,16,.68);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;gap:.65rem;font-weight:700}.brand-mark{display:inline-grid;width:2.25rem;height:2.25rem;place-items:center;border:1px solid rgba(244,179,80,.65);background:linear-gradient(135deg,rgba(244,179,80,.22),rgba(82,199,189,.14));color:var(--amber);font-size:.82rem}nav{display:flex;align-items:center;gap:clamp(.75rem,2.4vw,2rem);color:var(--muted);font-size:.94rem}nav a:hover,footer a:hover,.resource-list a:hover,.feature-card a:hover{color:var(--amber)}.hero{position:relative;min-height:92svh;display:grid;align-items:end;overflow:hidden;border-bottom:1px solid var(--line)}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(1.08) contrast(1.04)}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,11,16,.94) 0%,rgba(7,11,16,.64) 42%,rgba(7,11,16,.24) 100%),linear-gradient(0deg,rgba(7,11,16,.95) 0%,rgba(7,11,16,.08) 52%,rgba(7,11,16,.62) 100%)}.hero-content{position:relative;z-index:2;width:min(760px,calc(100% - 2rem));margin:0 0 clamp(6rem,11vh,9rem) clamp(1rem,7vw,6rem)}.eyebrow,.section-kicker,.card-index{margin:0 0 .75rem;color:var(--amber);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{max-width:10ch;margin-bottom:1.25rem;font-size:clamp(3rem,8vw,7.4rem);line-height:.95;letter-spacing:0}h2{margin-bottom:1rem;font-size:clamp(2rem,4vw,4.2rem);line-height:1.04;letter-spacing:0}h3{margin-bottom:.75rem;font-size:clamp(1.25rem,2vw,1.65rem);line-height:1.22}.hero-copy{width:min(640px,100%);color:#d6ded9;font-size:clamp(1rem,1.5vw,1.22rem)}.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}.button{display:inline-flex;min-height:2.85rem;align-items:center;justify-content:center;padding:.78rem 1.05rem;border:1px solid var(--line);font-weight:700}.button.primary{background:var(--amber);color:#1a1206;border-color:var(--amber)}.button.ghost{background:rgba(255,255,255,.06);color:var(--ink)}.hero-meta{position:absolute;z-index:3;right:clamp(1rem,4vw,4rem);bottom:1.8rem;display:grid;grid-template-columns:repeat(4,auto);gap:.55rem}.hero-meta span{padding:.38rem .65rem;border:1px solid rgba(255,255,255,.18);background:rgba(7,11,16,.55);color:#dce7e2;font-size:.82rem}.section{width:min(1160px,calc(100% - 2rem));margin:0 auto;padding:clamp(4.5rem,9vw,8rem) 0}.intro{display:grid;grid-template-columns:minmax(220px,.75fr) minmax(280px,1.25fr);gap:clamp(2rem,6vw,5rem);border-bottom:1px solid var(--line)}.intro p:last-child,.split p{color:var(--muted);font-size:clamp(1rem,1.8vw,1.3rem)}.section-heading{max-width:760px;margin-bottom:clamp(2rem,5vw,3.5rem)}.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.feature-card,.method-panel{min-height:17rem;padding:clamp(1.25rem,2.8vw,2rem);border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.02)),var(--panel)}.feature-card.wide{grid-row:span 2;min-height:35rem;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(155deg,rgba(228,95,65,.18),rgba(82,199,189,.08)),var(--panel-strong)}.feature-card p:not(.card-index),.method-panel p{color:var(--muted)}.feature-card a{display:inline-flex;width:fit-content;margin-top:auto;padding-top:1.25rem;color:#f6d192;font-weight:700}.method-section{padding:clamp(4.5rem,9vw,8rem) clamp(1rem,4vw,3.5rem);background:linear-gradient(180deg,rgba(82,199,189,.08),rgba(7,11,16,.06)),rgba(255,255,255,.03);border-block:1px solid var(--line)}.method-section .section-heading{width:min(1160px,100%);margin-inline:auto}.method-layout{width:min(1160px,100%);margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.method-panel span{display:block;margin-bottom:1.5rem;color:var(--amber);font-size:clamp(4rem,7vw,6.6rem);font-weight:900;line-height:.9}.split{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(280px,1.1fr);gap:clamp(2rem,6vw,5rem);align-items:start}.proof-list{display:grid;gap:.75rem}.proof-list div{display:grid;gap:.25rem;padding:1rem 0;border-bottom:1px solid var(--line)}.proof-list strong{color:var(--ink);font-size:1.05rem}.proof-list span{color:var(--muted)}.quote-band{padding:clamp(4rem,9vw,7rem) 1rem;text-align:center;background:linear-gradient(90deg,rgba(228,95,65,.18),rgba(82,199,189,.16)),#111915;border-block:1px solid var(--line)}blockquote{margin:0 auto 1rem;max-width:980px;font-size:clamp(2.2rem,6vw,6.2rem);font-weight:900;line-height:1}.quote-band p{margin-bottom:0;color:#d7ded8}.resource-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}.resource-list a{display:flex;min-height:5.25rem;align-items:center;gap:1rem;padding:1rem;border:1px solid var(--line);background:rgba(255,255,255,.04);color:#e8eee9;font-weight:700}.resource-list span{display:inline-grid;min-width:3.4rem;min-height:2.1rem;place-items:center;border:1px solid rgba(244,179,80,.55);color:var(--amber);font-size:.75rem}footer{display:flex;justify-content:space-between;gap:1rem;padding:1.5rem clamp(1rem,4vw,3.5rem);color:var(--muted);border-top:1px solid var(--line)}.is-visible{animation:rise .7s ease both}@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media (max-width:820px){.topbar{position:absolute;align-items:flex-start}nav{display:none}.hero{min-height:94svh}.hero-content{margin-left:1rem;margin-bottom:8rem}.hero-meta{left:1rem;right:1rem;grid-template-columns:repeat(2,minmax(0,1fr))}.intro,.article-grid,.method-layout,.split,.resource-list{grid-template-columns:1fr}.feature-card.wide{min-height:24rem}}@media (max-width:480px){h1{font-size:3.15rem}.hero-actions,footer{flex-direction:column;align-items:stretch}.button{width:100%}}