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a:hover{color:var(--cai-text-strong);transform:translate(3px)}.cai-lens-i{font-family:var(--cai-font-display);color:var(--cai-gold-text);font-variant-numeric:tabular-nums;font-size:.78rem;font-weight:700}.cai-lens-more a{color:var(--cai-gold-text);font-size:.875rem;font-weight:550}.cai-tools{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;display:grid}.cai-tool{border-radius:var(--cai-radius);border:1px solid var(--cai-border);background:var(--cai-surface);transition:border-color var(--cai-dur), transform var(--cai-dur) var(--cai-ease), box-shadow var(--cai-dur);align-items:flex-start;gap:.9rem;padding:1.1rem 1.15rem;text-decoration:none;display:flex}.cai-tool:hover{border-color:var(--cai-border-strong);box-shadow:var(--cai-shadow);transform:translateY(-2px)}.cai-tool-icon{background:var(--cai-surface-2);border:1px solid var(--cai-border);width:2.4rem;height:2.4rem;color:var(--cai-text-strong);border-radius:2px;flex:none;place-items:center;display:grid}.cai-tool:hover .cai-tool-icon{color:var(--cai-accent-text)}.cai-tool-icon svg{width:1.2rem;height:1.2rem}.cai-tool-title{font-family:var(--cai-font-display);color:var(--cai-text-strong);font-size:1rem;font-weight:650;display:block}.cai-tool-text{color:var(--cai-muted);margin-top:.2rem;font-size:.875rem;line-height:1.5;display:block}.cai-motto{text-align:center;max-width:36rem;margin:7rem auto 2rem}.cai-motto p{margin:0}.cai-motto-title{font-family:var(--cai-font-display);letter-spacing:0;color:var(--cai-text-strong);text-wrap:balance;font-size:clamp(1.6rem,3.5vw,2.25rem);font-weight:700;line-height:1.2}.cai-motto-pinyin{letter-spacing:.08em;color:var(--cai-faint);font-size:.875rem;margin-top:.6rem!important}.cai-motto-text{color:var(--cai-muted);font-size:.94rem;line-height:1.65;margin-top:1rem!important}@media (width<=64rem){.cai-features{grid-template-columns:repeat(2,minmax(0,1fr))}.cai-feature:nth-child(3){border-left:0}.cai-feature:nth-child(n+3){border-top:1px solid 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