:root{--orange:#ff6b2b;--orange-light:#ff9a3c;--orange-dark:#e5501a;--orange-pale:#fff3ec;--orange-subtle:#fff8f2;--orange-glow:#ff6b2b59;--orange-warm:#ffe8d6;--orange-cream:#fffaf6;--grad-orange:linear-gradient(135deg,#ff6b2b,#ff9a3c);--grad-hero:linear-gradient(165deg,#fff8f3,#ffe8d6 38%,#ffd4b0 72%,#ffc49a);--bg:#fffaf6;--surface:#fff;--surface-2:#fffdfb;--border:#0f172a14;--text-primary:#1a1a1a;--text-secondary:#4a5568;--text-muted:#9ca3af;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--shadow-sm:0 2px 8px #0000000f;--shadow-md:0 4px 24px #0000001a;--shadow-orange:0 8px 32px #ff6b2b4d;--font:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;--container-max:1200px;--header-height:64px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--text-primary);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:var(--orange);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{width:min(var(--container-max),100% - 48px);margin-inline:auto}.section-label{background:var(--orange-pale);color:var(--orange);border-radius:999px;margin-bottom:12px;padding:4px 12px;font-size:13px;font-weight:600;display:inline-block}.section-title{margin-bottom:16px;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3}.text-orange{color:var(--orange)}.text-gradient{background:var(--grad-orange);color:#0000;-webkit-background-clip:text;background-clip:text}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;transition:transform .2s,box-shadow .2s;display:inline-flex}.btn,.btn:hover{text-decoration:none}.btn--primary{background:var(--grad-orange);color:#fff;box-shadow:var(--shadow-orange)}.btn--primary:hover{transform:translateY(-1px)}.btn--outline{color:var(--orange);border:1.5px solid var(--orange);background:0 0}.btn--outline:hover{background:var(--orange-pale)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.page-hero{background:var(--grad-hero);padding:48px 0 32px}.page-content{padding:40px 0 64px}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,#f0f0f0 25%,#e8e8e8 50%,#f0f0f0 75%) 0 0/200% 100%;animation:1.2s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}