.landing-oracle{font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;background:var(--site-bg-gradient);min-height:100vh}.landing-oracle .font-serif{font-family:Songti SC,STSong,"Noto Serif SC","Source Han Serif SC",serif}.landing-oracle .font-mono{font-family:ui-monospace,SF Mono,Menlo,Cascadia Code,monospace}.landing-oracle .lo-nav-link{font-size:16px}.landing-oracle .lo-nav-cta{font-size:14px}.landing-oracle .lo-hero-slogan{font-size:clamp(.95rem,1.8vw,1.25rem);letter-spacing:.16em;line-height:1.6}.landing-oracle .lo-hero-q{font-size:clamp(2.2rem,5.6vw,4rem);line-height:1.22;letter-spacing:.01em;white-space:nowrap}@media (max-width: 45rem){.landing-oracle .lo-hero-q{white-space:normal;text-wrap:balance}}.landing-oracle .lo-option-btn{font-family:Songti SC,STSong,"Noto Serif SC","Source Han Serif SC",serif;font-size:1.32rem;line-height:1;color:#ece7d8;background:rgba(30,24,50,.7);border:1px solid rgba(244,228,193,.16);border-radius:999px;padding:13px 28px;backdrop-filter:blur(2px);transition:transform .22s,border-color .22s,color .22s,background .22s;display:inline-flex;align-items:baseline;gap:.5em;cursor:pointer}.landing-oracle .lo-option-btn:hover{transform:translateY(-2px);border-color:#d4af37;color:#f4e4c1}.landing-oracle .lo-option-btn--hot:hover{border-color:#c41e3a;color:#e07a5f}.landing-oracle .lo-option-btn .lo-option-sub{font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:.94rem;color:#7c7460}