@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--font-sans:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-display-zh:"PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei UI","Microsoft YaHei",var(--font-sans);--bg:#f6f8fb;--bg-secondary:#eef2f7;--bg-tertiary:#e2e8f0;--surface:#ffffffc2;--surface-strong:#ffffffeb;--text-primary:#111827;--text-secondary:#536171;--text-tertiary:#8a96a6;--accent:#0ea5e9;--accent-hover:#0284c7;--accent-strong:#14b8a6;--accent-warm:#f59e0b;--accent-light:#0ea5e91c;--border:#1018281f;--border-light:#10182812;--card-bg:#ffffffb8;--card-shadow:0 18px 55px #0f172a14,inset 0 1px 0 #ffffffd9;--card-shadow-hover:0 26px 70px #0f172a24,inset 0 1px 0 #fffffff2;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:24px;--max-width:1200px;--header-height:64px;--section-space:112px;--section-header-space:56px;--section-space-mobile:76px;--section-header-space-mobile:38px;--transition:.3s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:radial-gradient(circle at 12% -8%,#0ea5e938,transparent 30vw),radial-gradient(circle at 92% 14%,#14b8a629,transparent 28vw),linear-gradient(180deg,#fbfcfe 0%,var(--bg)42%,#eef2f7 100%);color:var(--text-primary);line-height:1.6;overflow-x:hidden}body:before{content:"";z-index:-2;pointer-events:none;background-image:linear-gradient(#11182706 1px,#0000 1px),linear-gradient(90deg,#11182706 1px,#0000 1px);background-size:72px 72px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000c,#0000 70%);mask-image:linear-gradient(#000c,#0000 70%)}body:after{content:"";z-index:-1;pointer-events:none;opacity:.38;mix-blend-mode:soft-light;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.26'/%3E%3C/svg%3E");position:fixed;inset:0}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section{padding:var(--section-space)0}.section-header{text-align:center;margin-bottom:var(--section-header-space)}.section-title{font-family:var(--font-display-zh);letter-spacing:0;margin-bottom:16px;font-size:44px;font-weight:760;line-height:1.2}.section-desc{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:17px;line-height:1.7}.btn{border-radius:var(--radius-sm);transition:all var(--transition);white-space:nowrap;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:600;display:inline-flex}.btn-primary{color:#fff;background:linear-gradient(#202938 0%,#0f172a 100%);box-shadow:0 16px 34px #0f172a38,inset 0 1px #ffffff29}.btn-primary:hover{background:linear-gradient(#2c3747 0%,#111827 100%);transform:translateY(-2px);box-shadow:0 20px 42px #0f172a42,inset 0 1px #ffffff2e}.btn-secondary{color:var(--text-primary);border:1px solid var(--border);-webkit-backdrop-filter:blur(16px);background:#ffffffbd;box-shadow:inset 0 1px #ffffffe0}.btn-secondary:hover{border-color:var(--text-tertiary);background:var(--bg-secondary);transform:translateY(-2px);box-shadow:0 4px 16px #0000000f}.btn-accent{color:#fff;background:linear-gradient(135deg,#0ea5e9 0%,#14b8a6 100%);border:none;box-shadow:0 18px 38px #0ea5e93d,inset 0 1px #ffffff40}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 22px 46px #0ea5e952,inset 0 1px #ffffff47}.btn-lg{border-radius:var(--radius-md);padding:16px 36px;font-size:16px}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);-webkit-backdrop-filter:blur(22px)saturate(150%);padding:32px;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative}.card:hover{box-shadow:var(--card-shadow-hover);border-color:#0ea5e93d;transform:translateY(-4px)}.glass{-webkit-backdrop-filter:blur(20px)saturate(180%);background:#ffffffb8}.section+.section{position:relative}@media (max-width:768px){.section{padding:var(--section-space-mobile)0}.section-title{font-size:34px}.section-header{margin-bottom:var(--section-header-space-mobile)}.container{padding:0 16px}}