@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap";@font-face{font-family:AlibabaPuHuiTi;src:url(https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-55-Regular/AlibabaPuHuiTi-2-55-Regular.woff2) format("woff2");font-weight:400;font-display:swap}@font-face{font-family:AlibabaPuHuiTi;src:url(https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-65-Medium/AlibabaPuHuiTi-2-65-Medium.woff2) format("woff2");font-weight:500;font-display:swap}@font-face{font-family:AlibabaPuHuiTi;src:url(https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-75-SemiBold/AlibabaPuHuiTi-2-75-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}@font-face{font-family:AlibabaPuHuiTi;src:url(https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-85-Bold/AlibabaPuHuiTi-2-85-Bold.woff2) format("woff2");font-weight:700;font-display:swap}:root{--accent: #b8860b;--accent-hover: #9a7209;--accent-light: #d4a017;--accent-subtle: rgba(184, 134, 11, .12);--accent-dim: rgba(184, 134, 11, .2);--accent-glow: rgba(184, 134, 11, .3);--bg-base: #faf8f5;--bg-surface: #ffffff;--bg-muted: #f5f0ea;--bg-inverse: #1a2332;--bg-nav: var(--bg-base);--bg-deep: var(--bg-base);--bg-warm: var(--bg-muted);--bg-card: var(--bg-surface);--navy: var(--bg-inverse);--navy-light: #2c3e50;--text-primary: #1a2332;--text-secondary: #3d4f63;--text-tertiary: #5a6a7a;--text-muted: #8a96a3;--text-inverse: #ffffff;--text-disabled: #c0c8d0;--icon-default: #5a6a7a;--icon-active: #b8860b;--icon-muted: #8a96a3;--semantic-positive: #16a34a;--semantic-negative: #dc2626;--semantic-warning: #f59e0b;--semantic-info: #0ea5e9;--semantic-neutral: #6b7280;--border-subtle: #e8e2da;--border-default: #c8bfb2;--border-accent: #b8860b;--border-hover: var(--border-default);--bg-disabled: #f0ede8;--border-disabled: #ddd8d2;--border-focus: #b8860b;--bg-input: var(--bg-base);--scrollbar-track: var(--bg-base);--scrollbar-thumb: var(--border-subtle);--scrollbar-thumb-hover: var(--border-default);--shadow-xs: 0 1px 3px rgba(26, 35, 50, .06);--shadow-sm: 0 2px 8px rgba(26, 35, 50, .08);--shadow-md: 0 4px 16px rgba(26, 35, 50, .1);--shadow-lg: 0 8px 32px rgba(26, 35, 50, .12);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 20px;--radius-full: 9999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--space-24: 96px;--space-section: 120px;--duration-fast: .15s;--duration-base: .3s;--duration-slow: .6s;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--stagger-0: 0ms;--stagger-1: 80ms;--stagger-2: .16s;--stagger-3: .24s;--font-display-zh: "AlibabaPuHuiTi", "Noto Sans SC", sans-serif;--font-display-en: "Space Grotesk", sans-serif;--font-sans: "AlibabaPuHuiTi", "Noto Sans SC", sans-serif;--font-serif: "AlibabaPuHuiTi", "Noto Sans SC", sans-serif;--font-mono: "Geist Mono", "JetBrains Mono", monospace;--font-body-zh: "AlibabaPuHuiTi", "Noto Sans SC", sans-serif;--font-body-en: "Space Grotesk", "Noto Sans SC", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg-deep);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}::selection{background:var(--accent);color:#fff}section[id],div[id]{scroll-margin-top:88px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}.reveal.visible{opacity:1;transform:translateY(0)}.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}.reveal-delay-4{transition-delay:.4s}.noise-overlay{position:relative}.noise-overlay:before{content:"";position:absolute;inset:0;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-repeat:repeat;background-size:256px 256px;pointer-events:none;z-index:1}.glass-card{background:var(--bg-card);border:1px solid var(--border-subtle);box-shadow:var(--shadow-sm);transition:border-color .4s ease,box-shadow .4s ease,transform .4s ease}.glass-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.accent-line{height:1px;background:linear-gradient(90deg,transparent,var(--border-hover),transparent)}.cta-btn{position:relative;background:var(--accent);border:1px solid var(--accent);color:#fff;font-family:var(--font-sans);font-weight:500;letter-spacing:.05em;cursor:pointer;overflow:hidden;text-decoration:none;display:inline-block;transition:background .3s ease,box-shadow .3s ease,transform .2s ease}.cta-btn:hover{background:var(--accent-hover);box-shadow:0 4px 20px var(--accent-dim);transform:translateY(-1px)}.cta-btn span{position:relative;z-index:1}.cta-btn-outline{position:relative;background:transparent;border:1px solid var(--border-subtle);color:var(--text-secondary);font-family:var(--font-sans);font-weight:500;letter-spacing:.05em;cursor:pointer;text-decoration:none;display:inline-block;transition:border-color .3s ease,color .3s ease,transform .2s ease}.cta-btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.form-input{background:var(--bg-deep);border:1px solid var(--border-subtle);color:var(--text-primary);font-family:var(--font-sans);outline:none;transition:border-color .3s ease,box-shadow .3s ease}.form-input::placeholder{color:var(--text-muted)}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}@keyframes pulse-glow{0%,to{opacity:.3}50%{opacity:.8}}.nav-root{padding:0 48px;display:flex;align-items:center;justify-content:space-between}.nav-links-desktop{display:flex;align-items:center;gap:32px}.nav-hamburger{display:none;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;padding:8px;color:var(--navy)}@media(max-width:840px){.nav-root{padding:0 20px}.nav-links-desktop{display:none}.nav-hamburger{display:flex}}.faq-item{border-bottom:1px solid var(--border-subtle)}.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:24px 0;cursor:pointer;font-size:16px;font-weight:500;color:var(--navy);gap:16px;transition:color .2s}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:hover{color:var(--accent)}.faq-item summary .faq-icon{flex-shrink:0;width:20px;height:20px;border-radius:50%;border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-muted);transition:all .3s}.faq-item[open] summary .faq-icon{background:var(--accent);border-color:var(--accent);color:#fff;transform:rotate(45deg)}.faq-body{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--text-secondary)}.platform-badge{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;border:1px solid var(--border-subtle);background:var(--bg-surface);font-size:14px;font-weight:500;color:var(--text-secondary);transition:border-color .3s,box-shadow .3s}.platform-badge:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm)}.platform-badges-grid{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}@media(max-width:600px){.platform-badges-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;width:100%;max-width:320px}.platform-badge{justify-content:center;padding:10px 12px}}.comparison-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px}.pricing-footer{padding:32px 48px}@media(max-width:640px){.pricing-footer{padding:24px 20px}}.pricing-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:16px;padding:40px 36px;position:relative;transition:box-shadow .3s,transform .3s}.pricing-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.pricing-card.highlight{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow-md)}.pricing-card.highlight:hover{box-shadow:0 0 0 1px var(--accent),var(--shadow-lg)}.testimonial-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:36px 32px;position:relative;transition:border-color .4s,box-shadow .4s,transform .4s}.testimonial-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg);transform:translateY(-4px)}@keyframes hero-reveal{to{opacity:1;transform:translateY(0)}}.hero-line{display:block;opacity:0;transform:translateY(24px);animation:hero-reveal var(--duration-slow) var(--ease-out) forwards}.hero-line:nth-child(1){animation-delay:var(--stagger-0)}.hero-line:nth-child(2){animation-delay:var(--stagger-1)}.hero-line:nth-child(3){animation-delay:var(--stagger-2)}.hero-line:nth-child(4){animation-delay:var(--stagger-3)}