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var(--transition-fast)}a:hover{color:var(--color-accent-hover)}button{cursor:pointer;font-family:inherit;border:none;background:none;color:inherit}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::selection{background-color:var(--color-accent);color:#fff}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-divider);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.heading-en{font-family:Playfair Display,Georgia,serif;font-weight:700;line-height:1.2;letter-spacing:-.02em}.heading-zh{font-family:"Noto Serif SC","Source Han Serif SC",serif;font-weight:900;line-height:1.4}.body-en{font-family:"Source Serif 4",Georgia,serif;font-weight:400;line-height:1.75}.body-zh{font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;font-weight:400;line-height:1.85}.text-ui{font-family:Inter,Helvetica 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