:root{--ink:#f4f5fa;--muted:#abb0c3;--night:#070a12;--panel:#101522;--line:rgba(255,255,255,.14);--glow:#a9a8ff;--accent:#ff4e67;--max:1180px;color-scheme:dark;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--night);color:var(--ink);line-height:1.75}a{color:inherit}img{display:block;max-width:100%}.masthead{position:absolute;z-index:5;top:0;left:0;width:100%;display:flex;align-items:center;justify-content:space-between;padding:1.2rem 5vw;border-bottom:1px solid var(--line)}.brand{display:inline-flex;gap:.65rem;align-items:center;text-decoration:none;font-weight:700;letter-spacing:.08em}.brand-mark{display:grid;place-items:center;width:2rem;height:2rem;border:1px solid rgba(255,255,255,.35);border-radius:50%;color:var(--accent);font-size:.9rem}.masthead nav{display:none;gap:1.5rem}.masthead nav a{text-decoration:none;color:var(--muted);font-size:.86rem}.hero{position:relative;min-height:92svh;display:flex;align-items:flex-end;overflow:hidden}.hero-media,.hero-media img,.hero-shade{position:absolute;inset:0;width:100%;height:100%}.hero-media img{object-fit:cover;object-position:center 42%}.hero-shade{background:linear-gradient(180deg,rgba(2,4,10,.18) 15%,rgba(4,6,12,.35) 42%,#070a12 96%),linear-gradient(90deg,rgba(3,5,11,.45),transparent 75%)}.hero-copy{position:relative;z-index:2;width:min(100% - 2rem,var(--max));margin:0 auto;padding:9rem 0 4.5rem}.eyebrow,.section-kicker{margin:0 0 1rem;color:var(--glow);font-size:.72rem;font-weight:700;letter-spacing:.23em;text-transform:uppercase}.hero h1{max-width:12ch;margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(2.7rem,10vw,6.6rem);font-weight:500;line-height:1.02;letter-spacing:-.035em}.lead{max-width:620px;margin:1.5rem 0 0;color:#d8dbea;font-size:clamp(1rem,2vw,1.22rem)}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}.button{display:inline-flex;min-height:46px;align-items:center;padding:.65rem 1.15rem;border:1px solid rgba(255,255,255,.28);border-radius:999px;text-decoration:none;font-weight:700;font-size:.9rem}.button-primary{background:var(--ink);color:var(--night)}.button-quiet{background:rgba(7,10,18,.5);backdrop-filter:blur(10px)}.frame-number{display:none}.opening,.journey,.method,.boundaries,.faq{width:min(100% - 2rem,var(--max));margin:0 auto;padding:5.5rem 0}.opening-grid{display:grid;gap:2rem}.opening h2,.section-heading h2,.method h2,.boundaries h2{margin:0;font-family:Georgia,"Songti SC",serif;font-weight:500;line-height:1.2}.opening h2{font-size:clamp(2.1rem,6vw,4.5rem)}.opening-copy{max-width:680px;color:#c7cad7;font-size:1.05rem}.opening-copy p:first-child{margin-top:0}.journey{border-top:1px solid var(--line)}.section-heading{max-width:760px}.section-heading h2,.boundaries h2{font-size:clamp(2rem,5vw,3.7rem)}.acts{display:grid;gap:1px;margin-top:3rem;background:var(--line);border:1px solid var(--line)}.acts article{min-height:260px;padding:2rem;background:var(--panel)}.acts span{color:var(--accent);font-family:Georgia,serif;font-size:3rem}.acts h3{margin:2rem 0 .8rem;font-size:1.3rem}.acts p{margin:0;color:var(--muted)}.method{position:relative;display:grid;gap:2rem;border-top:1px solid var(--line)}.method-number{font-family:Georgia,serif;font-size:clamp(7rem,22vw,15rem);line-height:.8;color:rgba(169,168,255,.13)}.method-body{max-width:680px}.method h2{font-size:clamp(2rem,5vw,3.8rem)}.method-body>p{color:#c4c8d6}.method blockquote{margin:2rem 0 0;padding-left:1.4rem;border-left:2px solid var(--accent);font-family:Georgia,"Songti SC",serif;font-size:1.25rem}.method aside{align-self:end}.method dl{margin:0;border-top:1px solid var(--line)}.method dl div{display:flex;justify-content:space-between;gap:1rem;padding:.85rem 0;border-bottom:1px solid var(--line)}.method dt{font-weight:700}.method dd{margin:0;color:var(--muted)}.boundaries{background:linear-gradient(135deg,rgba(169,168,255,.09),rgba(255,78,103,.04));padding-left:1rem;padding-right:1rem}.boundary-grid{display:grid;gap:1rem;margin-top:2rem}.boundary-grid article{padding:1.5rem;border:1px solid var(--line);background:rgba(7,10,18,.52)}.boundary-grid h3{margin-top:0}.boundary-grid p{margin-bottom:0;color:var(--muted)}.faq{border-top:1px solid var(--line)}.faq-list{margin-top:2.5rem;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:1.1rem 0}summary{cursor:pointer;font-weight:700}details p{max-width:760px;color:var(--muted)}footer{display:grid;gap:1rem;padding:3rem 1rem;border-top:1px solid var(--line);text-align:center;color:var(--muted)}.footer-brand{justify-content:center;color:var(--ink)}footer p{margin:0}footer>a{font-size:.85rem}
@media (min-width:700px){.masthead nav{display:flex}.hero-copy{padding-bottom:6rem}.frame-number{display:block;position:absolute;z-index:2;right:5vw;bottom:6.7rem;writing-mode:vertical-rl;color:rgba(255,255,255,.48);font-size:.7rem;letter-spacing:.2em}.opening-grid{grid-template-columns:1.1fr .9fr;align-items:start}.acts{grid-template-columns:repeat(3,1fr)}.method{grid-template-columns:.55fr 1.25fr .75fr;align-items:start}.boundary-grid{grid-template-columns:1fr 1fr}.boundaries{padding:5rem}.hero-media img{object-position:center}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}