:root{--blue:#3b82f6;--blue-dark:#2563eb;--red:#fd4a6e;--red-dark:#ef4444;--orange:#f97316;--orange-dark:#ff650f;--green:#22c55e;--green-dark:#059669;--purple:#8b5cf6;--white:#fff;--white-soft:#f8fafc;--black:#0f172a;--black-soft:#1e293b;--gray:#64748b;--gray-dark:#475569;--border:#e2e8f0;--blue-rgb:59, 130, 246;--blue-dark-rgb:37, 99, 235;--red-dark-rgb:239, 68, 68;--orange-rgb:249, 115, 22;--orange-dark-rgb:255, 101, 15;--white-rgb:255, 255, 255;--border-rgb:226, 232, 240;--black-rgb:0, 0, 0}*,:before,:after{box-sizing:border-box}::-webkit-scrollbar{width:5px;height:100%}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}body{color:var(--gray-dark);background:var(--white-soft);flex-direction:column;min-height:100vh;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,PingFang SC,Microsoft YaHei,sans-serif;display:flex;position:relative}body:before{content:"";background-image:radial-gradient(ellipse 80% 60% at 50% -20%, rgba(var(--blue-dark-rgb), .06) 0%, transparent 70%), radial-gradient(ellipse 60% 50% at 80% 80%, rgba(var(--blue-dark-rgb), .04) 0%, transparent 70%), radial-gradient(ellipse 50% 40% at 10% 60%, rgba(var(--blue-dark-rgb), .03) 0%, transparent 70%);pointer-events:none;z-index:-1;position:fixed;inset:0}main{flex:1}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes cardIn{0%{opacity:0;transform:translateY(10px)}}@keyframes shimmer{0%,to{opacity:.4}50%{opacity:1}}@keyframes fadeDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.hot-btn{color:var(--blue);background:var(--white-soft);border:.5px solid var(--border);border-radius:999px;align-items:center;gap:4px;padding:6px 18px;font-size:.8125rem;text-decoration:none;transition:color .15s,background .15s,border-color .15s,transform .15s;display:inline-flex}.hot-btn .arrow{transition:transform .15s}.hot-btn:hover{background:var(--blue);border-color:var(--blue);color:var(--white)}.hot-btn:hover .arrow{transform:translate(2px)}::view-transition-old(root),::view-transition-new(root){mix-blend-mode:normal;animation:none}.nav-loader{z-index:999;pointer-events:none;opacity:0;height:2px;transition:opacity .1s;position:fixed;top:0;left:0;right:0}.nav-loader.active{opacity:1}.nav-loader:after{content:"";background:linear-gradient(90deg, transparent, var(--blue), transparent);width:60%;height:100%;animation:1s infinite nav-load;display:block}@keyframes nav-load{0%{transform:translate(-100%)}to{transform:translate(200%)}}.topbar{z-index:20;background:rgba(var(--white-rgb), .78);backdrop-filter:blur(14px)saturate(180%);border-bottom:1px solid rgba(var(--border-rgb), .7);padding:15px 0;transition:box-shadow .25s;position:sticky;top:0}.topbar:hover{box-shadow:0 2px 10px rgba(var(--black-rgb), .04)}.topbar.scrolled{box-shadow:0 2px 14px rgba(var(--black-rgb), .06)}.topbar-inner{align-items:center;gap:14px;max-width:800px;margin:0 auto;padding:0 20px;display:flex}.topbar .brand{white-space:nowrap;flex-shrink:0;align-items:center;gap:9px;font-size:1.25rem;text-decoration:none;display:inline-flex}.topbar .brand .logo{justify-content:center;align-items:center;display:inline-flex}.topbar .brand .logo img{aspect-ratio:1;width:auto;height:1.6em}.topbar .brand .brand-name{letter-spacing:-.02em;background:linear-gradient(135deg, var(--black-soft), var(--gray-dark));-webkit-text-fill-color:transparent;background-clip:text;font-weight:700;line-height:1}.search-bar{background:var(--white);border:1px solid var(--border);border-radius:999px;flex:1;align-items:center;gap:12px;height:44px;padding:0 14px 0 16px;transition:box-shadow .25s,border-color .25s;display:flex}.search-bar:hover{border-color:var(--border);box-shadow:0 2px 10px rgba(var(--black-rgb), .04)}.search-bar:focus-within{border-color:var(--blue);box-shadow:0 1px 2px rgba(var(--black-rgb), .02), 0 8px 30px rgba(var(--blue-dark-rgb), .15)}.search-bar svg{color:var(--gray);flex-shrink:0;transition:color .25s}.search-bar:focus-within svg{color:var(--blue)}.search-bar input{height:100%;color:var(--black);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:.9375rem}.search-bar input::placeholder{color:var(--gray)}.search-bar .hint{color:var(--gray-dark);background:var(--white-soft);border-radius:6px;flex-shrink:0;padding:2px 8px;font-size:.75rem}.footer{text-align:center;max-width:800px;color:var(--gray);flex-shrink:0;margin:0 auto;padding:20px;font-size:.75rem;line-height:1.7}@media (width<=576px){.topbar-inner{padding:0 16px}.topbar .brand .brand-name,.search-bar .hint{display:none}}