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var(--space-5);align-items:center;gap:var(--space-4);white-space:nowrap;margin-inline:auto;display:flex}.method-toc-label{font-size:var(--text-xs);font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted,#888);flex-shrink:0}.method-toc-list{flex-wrap:nowrap;gap:.15rem;margin:0;padding:0;list-style:none;display:flex}.method-toc-list li a{border-radius:var(--radius-sm,6px);color:var(--color-text-muted,#888);align-items:center;min-height:44px;padding:.3rem .65rem;font-size:.8rem;text-decoration:none;transition:background .15s,color .15s;display:inline-flex}.method-toc-list li a:hover{background:var(--color-border,#2e2b24);color:var(--color-gold,#d4a017)}.method-body{max-width:760px;padding:var(--space-6) var(--space-5) var(--space-8);margin-inline:auto}.method-section{margin-bottom:var(--space-7);border-bottom:1px solid var(--color-border,#2e2b24);padding-bottom:2rem}.method-section:last-child{border-bottom:none}.method-section h2{font-size:1.4rem;font-weight:var(--weight-bold);color:var(--color-gold,#d4a017);margin:0 0 var(--space-4)}.method-section h3{font-size:var(--text-base);font-weight:var(--weight-semibold);color:var(--color-text,#e8e0cc);margin:var(--space-5) 0 var(--space-2)}.method-section p{color:var(--color-text-muted,#aaa);margin:0 0 .85rem;line-height:1.7}.method-section a{color:var(--color-gold,#d4a017);text-underline-offset:3px;text-decoration:underline}.method-section code{background:var(--color-border,#2e2b24);border-radius:var(--radius-xs);color:var(--color-gold-light,#e8c040);padding:.1em .4em;font-family:SFMono-Regular,Consolas,monospace;font-size:.88em}.method-source-card-row{gap:var(--space-4);grid-template-columns:1fr 1fr;margin-top:1.25rem;display:grid}@media (width<=560px){.method-source-card-row{grid-template-columns:1fr}}.method-source-card{background:var(--color-surface,#1a1814);border:1px solid var(--color-border,#2e2b24);border-radius:var(--radius-lg,10px);padding:1.1rem}.method-source-card-name{font-size:.95rem;font-weight:var(--weight-bold);color:var(--color-gold,#d4a017);margin-bottom:.4rem}.method-source-card-role{color:var(--color-text,#e8e0cc);margin-bottom:.3rem;font-size:.82rem}.method-source-card-freq{color:var(--color-text-muted,#888);margin-bottom:.75rem;font-size:.78rem}.method-source-card-link{color:var(--color-gold,#d4a017);font-size:.8rem;font-weight:var(--weight-semibold);text-decoration:none}.method-source-card-link:hover{text-decoration:underline}.method-formula-block{background:var(--color-surface,#1a1814);border:1px solid var(--color-gold-dim,#4a3c10);border-inline-start:3px solid var(--color-gold,#d4a017);border-radius:var(--radius-md,8px);margin:1.25rem 0;padding:1rem 1.25rem}.method-formula-label{font-size:.72rem;font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted,#888);margin-bottom:var(--space-2)}code.method-formula{color:var(--color-gold-light,#e8c040);white-space:pre-wrap;word-break:break-word;background:0 0;padding:0;font-size:.92rem;display:block}.method-formula-breakdown{margin:.85rem 0 1rem;padding:0;list-style:none}.method-formula-breakdown li{border-bottom:1px solid var(--color-border,#2e2b24);color:var(--color-text-muted,#aaa);padding:.45rem 0;font-size:.88rem;line-height:1.5}.method-formula-breakdown li:last-child{border-bottom:none}.method-karat-table-wrap{border-radius:var(--radius-md,8px);border:1px solid var(--color-border,#2e2b24);margin:1rem 0;overflow-x:auto}.method-karat-table{border-collapse:collapse;width:100%;font-size:.88rem}.method-karat-table th{background:var(--color-surface,#1a1814);color:var(--color-text-muted,#888);font-size:var(--text-xs);font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.05em;text-align:start;white-space:nowrap;padding:.65rem 1rem}.method-karat-table td{color:var(--color-text,#e8e0cc);border-top:1px solid var(--color-border,#2e2b24);padding:.6rem 1rem}.method-karat-table tr:hover td{background:var(--color-surface,#1a1814)}.method-warning{border:1px solid #b4500059;border-radius:var(--radius-md,8px);background:#b450001a;border-inline-start:3px solid #c85a00;margin:1.25rem 0;padding:1rem 1.25rem}.method-warning--info{background:#1e5ab414;border-color:#1e5ab44d #1e5ab44d #1e5ab44d #25b}.method-warning--strong{background:#8c00001a;border-color:#c800004d #c800004d #c800004d #c00}.method-warning strong{font-size:.88rem;font-weight:var(--weight-bold);text-transform:uppercase;letter-spacing:var(--tracking-wider);color:var(--color-text,#e8e0cc);margin-bottom:var(--space-2);display:block}.method-warning p{color:var(--color-text-muted,#aaa);margin:0 0 .4rem;font-size:.88rem}.method-warning p:last-child{margin-bottom:0}.method-not-list{margin-top:var(--space-4);flex-direction:column;gap:1.1rem;display:flex}.method-not-item{gap:var(--space-4);align-items:flex-start;display:flex}.method-not-icon{color:#c44;width:1.6rem;height:1.6rem;font-size:.8rem;font-weight:var(--weight-bold);background:#b4000026;border:1px solid #b400004d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:.15rem;display:flex}.method-not-item>div strong{font-size:.92rem;font-weight:var(--weight-semibold);color:var(--color-text,#e8e0cc);margin-bottom:.35rem;display:block}.method-not-item>div p{margin:0;font-size:.85rem}.method-fallback-tiers{border:1px solid var(--color-border,#2e2b24);border-radius:var(--radius-lg,10px);flex-direction:column;gap:0;margin:1.25rem 0;display:flex;overflow:hidden}.method-fallback-tier{align-items:center;gap:var(--space-4);border-bottom:1px solid var(--color-border,#2e2b24);padding:.85rem 1.1rem;display:flex}.method-fallback-tier:last-child{border-bottom:none}.method-fallback-tier--1{background:#00a03c14}.method-fallback-tier--2{background:#1e5ac80f}.method-fallback-tier--3{background:#b482000f}.method-fallback-tier--4{background:#8c3c0012}.method-fallback-tier--5{background:#a000000f}.method-tier-badge{font-size:.72rem;font-weight:var(--weight-bold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted,#888);background:var(--color-border,#2e2b24);border-radius:var(--radius-sm,6px);text-align:center;flex-shrink:0;min-width:3.2rem;padding:.2rem .5rem}.method-tier-label{font-size:.9rem;font-weight:var(--weight-semibold);color:var(--color-text,#e8e0cc);flex:1}.method-tier-desc{color:var(--color-text-muted,#888);text-align:right;max-width:280px;font-size:.8rem}@media (width<=580px){.method-fallback-tier{flex-wrap:wrap}.method-tier-desc{text-align:start;width:100%;max-width:100%}}[dir=rtl] .method-toc-inner{flex-direction:row-reverse}[dir=rtl] .method-formula-block{border-inline-start:3px solid var(--color-gold,#d4a017)}[dir=rtl] .method-warning{border-inline-start:3px solid}[dir=rtl] .method-not-item,[dir=rtl] .method-fallback-tier{flex-direction:row-reverse}[dir=rtl] .method-tier-desc{text-align:start}.method-section--tools{border-top:1px solid var(--color-border,#2e2b24);margin-top:var(--space-4);padding-top:2rem}@media (width<=768px){.method-section{padding:2rem 1rem 1.5rem}}@media (width<=480px){.method-fallback-tier{flex-direction:column;align-items:flex-start}.method-tier-desc{text-align:start;max-width:100%}}