:root{
    --ink:#211712;
    --brown:#4a2b1d;
    --brown-2:#6d3f28;
    --paper:#efe0bf;
    --paper-2:#f8edcf;
    --gold:#b7893d;
    --red:#8d2f24;
    --muted:#806f59;
    --line:rgba(74,43,29,.24);
    --shadow:0 18px 45px rgba(33,23,18,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Serif SC","Songti SC","Microsoft YaHei",serif;background:var(--paper-2);color:var(--ink);line-height:1.72}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 20% 10%,rgba(183,137,61,.12),transparent 30%),linear-gradient(90deg,rgba(74,43,29,.04) 1px,transparent 1px),linear-gradient(rgba(74,43,29,.035) 1px,transparent 1px);background-size:auto,36px 36px,36px 36px;z-index:-1}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1180px,92vw);margin-inline:auto}
.top-strip{height:8px;background:linear-gradient(90deg,var(--brown),var(--red),var(--gold),var(--brown))}
.site-header{position:sticky;top:0;z-index:20;background:rgba(239,224,191,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--brown);color:var(--paper);border:3px double var(--gold);font-weight:800;box-shadow:inset 0 0 0 2px rgba(255,255,255,.08)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text strong{font-size:1.25rem;letter-spacing:.08em}.brand-text em{font-style:normal;font-size:.82rem;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}.main-nav a{padding:8px 11px;border-radius:999px;font-size:.95rem;color:#3f2c21}.main-nav a:hover,.main-nav a.active{background:var(--brown);color:var(--paper)}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:8px 11px;font-size:1.1rem;color:var(--brown)}
.hero{padding:70px 0 52px}.archive-hero{background:linear-gradient(135deg,rgba(33,23,18,.92),rgba(74,43,29,.86)),url('/assets/images/paper-grain.svg');color:var(--paper)}
.hero-grid,.sub-hero-inner,.two-col,.search-panel,.cta-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.reverse{grid-template-columns:.9fr 1.1fr}
.eyebrow{margin:0 0 10px;color:var(--gold);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.85rem}.hero h1,.sub-hero h1{font-size:clamp(2.05rem,5vw,4.4rem);line-height:1.08;margin:0 0 22px;letter-spacing:.03em}.hero p,.sub-hero p{font-size:1.08rem;color:rgba(255,255,255,.82)}
.sub-hero{padding:62px 0;background:linear-gradient(135deg,var(--brown),#2b1b14);color:var(--paper);border-bottom:6px double rgba(183,137,61,.5)}
.sub-hero img,.hero-card img,.visual-frame,.poster-stack img,.image-band img{background:rgba(248,237,207,.88);border:1px solid rgba(183,137,61,.55);border-radius:22px;box-shadow:var(--shadow)}
.hero-card{position:relative}.hero-card:after{content:"ARCHIVE";position:absolute;right:22px;bottom:22px;color:rgba(74,43,29,.32);font-weight:900;letter-spacing:.22em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 22px;font-weight:800;border:1px solid transparent}.btn.primary{background:var(--gold);color:#1e150f}.btn.secondary{border-color:rgba(239,224,191,.5);color:var(--paper)}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.16)}
.domain-note{margin-top:22px;padding:12px 14px;border:1px dashed rgba(239,224,191,.35);border-radius:14px;color:rgba(255,255,255,.75)}
.section-block{padding:64px 0}.section-head{max-width:760px;margin-bottom:28px}.section-head.compact{margin-bottom:18px}.section-head h2,.two-col h2,.feature-card h2,.contact-panel h2{font-size:clamp(1.65rem,3.5vw,2.65rem);line-height:1.2;margin:0 0 14px}.section-head p:not(.eyebrow),.two-col p,.feature-card p,.contact-panel p{color:#5f4b3b}.section-head.light p,.section-head.light h2{color:var(--paper)}
.aged-bg{background:linear-gradient(180deg,rgba(239,224,191,.65),rgba(224,199,151,.6));border-block:1px solid var(--line)}
.intro-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mini-card,.feature-card,.method-card,.note-card,.contact-panel,.person-card,.archive-entry,.article-list article,.video-card,.timeline-card,.info-card,details{background:rgba(255,247,224,.74);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 14px 30px rgba(74,43,29,.08)}.mini-card span,.method-card span,.timeline-card span,.archive-entry span,.article-list span,.person-card span,.video-thumb span,.steps span{display:inline-grid;place-items:center;min-width:36px;height:36px;border-radius:999px;background:var(--brown);color:var(--paper);font-weight:800;margin-bottom:10px}.mini-card strong,.info-card h3,.method-card h3,.timeline-card h3{display:block;font-size:1.2rem;margin-bottom:8px}.mini-card p,.method-card p,.info-card p,.timeline-card p{margin:0;color:#645240}
.timeline-grid,.card-grid{display:grid;gap:18px}.timeline-grid{grid-template-columns:repeat(4,1fr)}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card-grid.four{grid-template-columns:repeat(4,1fr)}.image-band{margin-top:28px}.image-band img{width:100%}
.index-table{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff3d3}.index-table>div{display:grid;grid-template-columns:1fr 1fr 1fr 1.4fr;border-bottom:1px solid var(--line)}.index-table>div:last-child{border-bottom:0}.index-table strong,.index-table span{padding:12px 14px;border-right:1px solid var(--line)}.index-table strong:last-child,.index-table span:last-child{border-right:0}.index-table strong{background:rgba(74,43,29,.12)}
.poster-stack{display:grid;gap:18px}.dark-panel{background:linear-gradient(145deg,#211712,#3a2419);color:var(--paper)}.info-card{background:rgba(255,247,224,.09);border-color:rgba(239,224,191,.22)}.info-card img{height:118px;object-fit:contain;margin-bottom:16px}.info-card p{color:rgba(239,224,191,.75)}
.visual-frame{padding:16px}.search-panel{grid-template-columns:1.1fr .9fr}.steps{display:grid;gap:14px}.steps article{display:grid;grid-template-columns:auto 1fr;column-gap:14px;background:rgba(255,247,224,.75);border:1px solid var(--line);border-radius:18px;padding:18px}.steps span{grid-row:1 / span 2;margin:0}.steps h3{margin:0 0 4px}.steps p{margin:0;color:#6f5a46}.compact-steps{gap:12px}
.feature-card a,.person-card a,.article-list a{display:inline-block;margin-top:10px;color:var(--red);font-weight:800}.feature-card:hover,.person-card:hover,.article-list article:hover{transform:translateY(-3px)}.faq-block details{margin-bottom:12px}summary{cursor:pointer;font-weight:800;font-size:1.05rem}details p{color:#5f4b3b;margin-bottom:0}.cta-panel{background:var(--red);color:var(--paper);padding:46px 0}.cta-inner{grid-template-columns:1fr auto}.cta-inner p{color:rgba(239,224,191,.82)}
.filters-panel{padding-bottom:10px}.filter-row{display:flex;gap:10px;flex-wrap:wrap}.filter-row button{border:1px solid var(--line);background:#fff3d3;color:var(--brown);border-radius:999px;padding:10px 15px;font-weight:800;cursor:pointer}.filter-row button.active,.filter-row button:hover{background:var(--brown);color:var(--paper)}
.archive-list{display:grid;gap:18px}.archive-entry{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center}.archive-entry img{border-radius:18px;background:#f8edcf;border:1px solid var(--line)}.archive-entry h2{margin:0 0 8px}.archive-entry ul{margin:10px 0 0;padding-left:20px;color:#665240}.archive-entry.is-hidden{display:none}
.vertical-timeline{position:relative;display:grid;gap:18px}.vertical-timeline:before{content:"";position:absolute;left:22px;top:70px;bottom:70px;width:3px;background:var(--gold)}.vertical-timeline article{position:relative;margin-left:60px;background:rgba(255,247,224,.78);border:1px solid var(--line);border-radius:22px;padding:24px}.vertical-timeline article:before{content:"";position:absolute;left:-48px;top:28px;width:18px;height:18px;border-radius:50%;background:var(--red);border:4px solid var(--paper)}
.people-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.person-card span{font-family:Georgia,serif;letter-spacing:.08em}.person-card h2{font-size:1.35rem;margin:4px 0 8px}.article-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.article-list article h2,.video-card h2{font-size:1.35rem;margin:8px 0}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-thumb{position:relative;border-radius:18px;overflow:hidden;background:#f8edcf;border:1px solid var(--line)}.video-thumb img{width:100%;height:190px;object-fit:contain}.video-thumb span{position:absolute;left:12px;top:12px;margin:0;background:var(--red)}.big-domain{font-size:1.55rem;font-weight:900;color:var(--brown)!important;word-break:break-all}.site-footer{background:#1f1510;color:rgba(239,224,191,.78);padding:42px 0 0}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:28px}.footer-grid strong{color:var(--paper);font-size:1.1rem}.footer-bottom{margin-top:28px;border-top:1px solid rgba(239,224,191,.18);display:flex;justify-content:center;gap:24px;flex-wrap:wrap;padding:16px;color:rgba(239,224,191,.65)}
@media (max-width:980px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;left:4vw;right:4vw;top:78px;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);justify-content:flex-start}.main-nav.open{display:flex}.hero-grid,.sub-hero-inner,.two-col,.reverse,.search-panel,.cta-inner{grid-template-columns:1fr}.timeline-grid,.card-grid.four,.people-grid,.video-grid{grid-template-columns:1fr 1fr}.intro-strip,.card-grid.three,.article-list{grid-template-columns:1fr}.archive-entry{grid-template-columns:1fr}.archive-entry img{max-height:260px;width:100%;object-fit:contain}.cta-inner{justify-items:start}}
@media (max-width:620px){.header-inner{padding:12px 0}.brand-text em{display:none}.hero,.sub-hero{padding:44px 0}.section-block{padding:42px 0}.timeline-grid,.card-grid.four,.people-grid,.video-grid{grid-template-columns:1fr}.index-table{font-size:.9rem;overflow:auto}.index-table>div{min-width:620px}.footer-grid{grid-template-columns:1fr}.hero-actions{display:grid}.btn{width:100%}.vertical-timeline article{margin-left:42px}.vertical-timeline:before{left:14px}.vertical-timeline article:before{left:-39px}}