.hero{position:relative;z-index:1;padding:200px clamp(24px,5vw,80px) 140px;text-align:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse 60% 50% at 50% 30%,rgba(204,120,92,.04) 0%,transparent 60%),radial-gradient(ellipse 80% 40% at 50% 100%,rgba(178,194,185,.03) 0%,transparent 50%)}[data-theme=dark] .hero:before{background:radial-gradient(ellipse 60% 50% at 50% 30%,rgba(204,120,92,.07) 0%,transparent 60%),radial-gradient(ellipse 80% 40% at 50% 100%,rgba(178,194,185,.04) 0%,transparent 50%)}.hero-content{position:relative;z-index:5;max-width:1200px;margin:0 auto}.hero-title{font-family:var(--font-serif);font-weight:700;font-size:clamp(3.5rem,9vw,6.5rem);letter-spacing:-.045em;line-height:1.02;color:var(--color-claude-text-main);margin-bottom:28px}.hero-sub{font-family:var(--font-serif);font-style:italic;font-size:clamp(1.15rem,2.2vw,1.4rem);color:var(--color-claude-text-muted);line-height:1.65;margin-bottom:12px;opacity:0;animation:fadeUp .7s cubic-bezier(.16,1,.3,1) .6s forwards}.hero-sub-zh{font-size:clamp(.95rem,1.6vw,1.05rem);color:var(--color-claude-text-muted);margin-bottom:48px;opacity:0;animation:fadeUp .7s cubic-bezier(.16,1,.3,1) .7s forwards}.hero-cta{display:inline-flex;align-items:center;gap:12px;padding:20px 48px;background:var(--color-claude-text-main);color:var(--color-claude-bg);font-size:1.05rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;text-decoration:none;transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s ease,opacity .25s ease;opacity:0;animation:fadeUp .7s cubic-bezier(.16,1,.3,1) .8s forwards}.hero-cta:hover{opacity:.95;transform:translateY(-2px);box-shadow:0 8px 24px #1414132e}.hero-cta:active{transform:translateY(0) scale(.98);transition-duration:.1s}.hero-cta:hover svg{transform:translate(4px)}.hero-cta svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;transition:transform .25s cubic-bezier(.16,1,.3,1)}.discover{position:relative;z-index:1;padding:0 clamp(24px,5vw,80px) 100px;max-width:1200px;margin:0 auto}.hero-cats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:760px;margin:0 auto}.hero-cat{background:var(--color-claude-surface);border:1px solid var(--color-claude-border);border-radius:14px;padding:36px 32px;text-align:left;text-decoration:none;color:var(--color-claude-text-main);transition:transform .4s cubic-bezier(.16,1,.3,1),border-color .3s ease,box-shadow .4s cubic-bezier(.16,1,.3,1);cursor:pointer;position:relative}.hero-cat:hover{transform:translateY(-4px);border-color:var(--color-claude-accent);box-shadow:0 12px 32px #00000014}[data-theme=dark] .hero-cat:hover{box-shadow:0 12px 32px #0000004d}.hero-cat-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:transform .4s cubic-bezier(.16,1,.3,1)}.hero-cat:hover .hero-cat-icon{transform:scale(1.06)}.hero-cat-icon.it{background:var(--color-claude-card-3)}.hero-cat-icon.tech{background:var(--color-claude-accent)}.hero-cat-icon svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.hero-cat-title{font-weight:700;font-size:1.2rem;letter-spacing:-.01em;margin-bottom:10px}.hero-cat-desc{font-size:.92rem;color:var(--color-claude-text-muted);line-height:1.7;margin-bottom:18px}.hero-cat-link{font-size:.85rem;font-weight:600;color:var(--color-claude-accent);display:flex;align-items:center;gap:5px}.hero-cat-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;transition:transform .25s cubic-bezier(.16,1,.3,1)}.hero-cat:hover .hero-cat-link svg{transform:translate(4px)}@keyframes fadeUp{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}.section{position:relative;z-index:1;padding:100px clamp(24px,5vw,80px) 120px;max-width:1200px;margin:0 auto;border-top:1px solid var(--color-claude-border)}.section-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:56px}.section-title{font-weight:700;font-size:clamp(1.75rem,3.2vw,2.5rem);letter-spacing:-.025em;line-height:1.1}.section-sub{font-family:var(--font-serif);font-style:italic;font-size:1rem;color:var(--color-claude-text-muted);margin-top:8px}.section-more{font-size:.92rem;font-weight:600;color:var(--color-claude-accent);text-decoration:none;display:flex;align-items:center;gap:5px;transition:gap .2s ease;white-space:nowrap}.section-more:hover{gap:10px}.section-more svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}.stats-row{display:flex;gap:48px;margin-top:16px;margin-bottom:32px}.stat-item{display:flex;align-items:baseline;gap:8px}.stat-num{font-family:var(--font-serif);font-weight:700;font-size:3rem;color:var(--color-claude-accent);letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}.stat-label{font-size:.95rem;color:var(--color-claude-text-muted)}.cards-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.empty-msg{font-family:var(--font-serif);font-style:italic;color:var(--color-claude-text-muted);text-align:center;padding:64px 0}.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}.reveal.revealed{opacity:1;transform:translateY(0)}.card{opacity:0;transform:translateY(40px) scale(.97);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}.card.revealed{opacity:1;transform:translateY(0) scale(1)}@media(max-width:860px){.cards-grid{grid-template-columns:1fr;gap:20px}.hero-cats{grid-template-columns:1fr;max-width:440px;gap:20px}.hero{padding:130px 24px 100px}.discover{padding:0 24px 70px}.hero-cta{padding:16px 36px;font-size:1rem}.stats-row{display:none}.section{padding:70px 24px 80px}.section-header{margin-bottom:36px}}@media(prefers-reduced-motion:reduce){.hero-sub,.hero-sub-zh,.hero-cta{animation:none!important;opacity:1!important;transform:none!important}.card,.reveal{opacity:1!important;transform:none!important;transition:none!important}}