:root{--font-display: "Playfair Display", "Noto Serif SC", Georgia, serif;--font-body: "Source Serif 4", "Noto Serif SC", "Songti SC", serif;--font-mono: "JetBrains Mono", "SF Mono", Monaco, "Fira Code", monospace;--fw-light: 300;--fw-regular: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--fs-xs: .75rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-md: 1.125rem;--fs-lg: 1.25rem;--fs-xl: 1.5rem;--fs-2xl: 2rem;--fs-3xl: 2.5rem;--fs-4xl: 3.5rem;--fs-5xl: clamp(3.25rem, 7vw, 5.5rem);--lh-tight: 1.15;--lh-snug: 1.3;--lh-normal: 1.7;--lh-relaxed: 1.8;--ls-tight: -.02em;--ls-normal: 0;--ls-wide: .01em;--ls-wider: .05em;--ls-caps: .1em;--bg-primary: #FAF8F5;--bg-secondary: #F0EBE3;--bg-tertiary: #E5DFD7;--bg-inverse: #1C1917;--surface-raised: #FAF8F5;--surface-overlay: rgba(250, 248, 245, .95);--surface-inverse: rgba(255, 255, 255, .05);--surface-inverse-hover: rgba(255, 255, 255, .08);--accent: #C9A87C;--accent-hover: #B8976A;--accent-light: #DFC9A8;--accent-dark: #A68B5B;--accent-muted: rgba(201, 168, 124, .15);--text-primary: #2D2A26;--text-secondary: #5A5650;--text-muted: #8A8580;--text-inverse: #FAF8F5;--text-inverse-secondary: rgba(250, 248, 245, .7);--text-inverse-muted: rgba(250, 248, 245, .5);--text-inverse-subtle: rgba(250, 248, 245, .6);--border-default: rgba(45, 42, 38, .08);--border-accent: rgba(201, 168, 124, .2);--border-inverse: rgba(250, 248, 245, .1);--shadow-color: rgba(45, 42, 38, .06);--shadow-xs: 0 1px 2px var(--shadow-color);--shadow-sm: 0 2px 8px var(--shadow-color);--shadow-md: 0 4px 16px rgba(45, 42, 38, .08);--shadow-lg: 0 8px 32px rgba(45, 42, 38, .1);--shadow-xl: 0 16px 48px rgba(45, 42, 38, .12);--shadow-accent: 0 8px 32px rgba(201, 168, 124, .25);--shadow-accent-sm: 0 4px 16px rgba(201, 168, 124, .3);--shadow-accent-lg: 0 8px 24px rgba(201, 168, 124, .4);--glow-warm: rgba(240, 235, 227, .6);--glow-white: rgba(255, 255, 255, .1);--glow-accent: rgba(201, 168, 124, .3);--noise-opacity: .03;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--space-xs: 8px;--space-sm: 16px;--space-md: 24px;--space-lg: 48px;--space-xl: 80px;--space-2xl: 120px;--ease-out: cubic-bezier(.25, .46, .45, .94);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);font-size:var(--fs-md);line-height:var(--lh-normal);color:var(--text-secondary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4,h5,h6,.hero-title,.section-title{font-family:var(--font-display);color:var(--text-primary);font-weight:var(--fw-semibold);line-height:var(--lh-tight);letter-spacing:var(--ls-tight)}em,.italic{font-style:italic}strong,.bold{font-weight:var(--fw-semibold)}.mono,code,.tech-item{font-family:var(--font-mono);font-size:var(--fs-sm)}.scroll-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light));z-index:9999;transition:width .1s linear}.btn-primary{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);border:none;color:#fff;padding:14px 32px;border-radius:var(--radius-full);font-family:var(--font-body);font-size:var(--fs-base);font-weight:var(--fw-medium);letter-spacing:var(--ls-wide);transition:all .3s var(--ease-out);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--accent-hover) 0%,var(--accent) 100%);opacity:0;transition:opacity .3s var(--ease-out)}.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:var(--shadow-accent-lg),0 0 30px var(--glow-accent)}.btn-primary:hover:before{opacity:1}.btn-primary span{position:relative;z-index:1}.btn-outline-light{background:transparent;border:1.5px solid var(--accent);color:var(--accent-dark)!important;padding:14px 32px;border-radius:var(--radius-full);font-family:var(--font-body);font-size:var(--fs-base);font-weight:var(--fw-medium);letter-spacing:var(--ls-wide);transition:all .3s var(--ease-out);position:relative;overflow:hidden}.btn-outline-light:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .3s var(--ease-out);z-index:-1}.btn-outline-light:hover{color:#fff!important;transform:translateY(-3px) scale(1.02);box-shadow:var(--shadow-accent);border-color:var(--accent)}.btn-outline-light:hover:before{transform:scaleX(1);transform-origin:left}section{padding:var(--space-2xl) 0;background:var(--bg-primary)}section:nth-child(2n){background:var(--bg-secondary)}.section-title{font-family:var(--font-display);font-size:clamp(2.25rem,5vw,3.5rem);font-weight:var(--fw-semibold);line-height:var(--lh-tight);letter-spacing:var(--ls-tight);margin-bottom:var(--space-sm)}.section-divider{display:flex;align-items:center;justify-content:center;gap:var(--space-md);margin-bottom:var(--space-lg)}.section-divider:before,.section-divider:after{content:"";width:60px;height:1px;background:linear-gradient(90deg,transparent,var(--accent-light),transparent)}.section-divider-icon{color:var(--accent);font-size:var(--fs-sm)}.section-subtitle{font-family:var(--font-body);font-size:clamp(1.0625rem,2vw,1.3125rem);color:var(--text-muted);font-weight:var(--fw-regular);line-height:var(--lh-normal);margin-bottom:var(--space-xl)}.service-card{background:var(--bg-primary);border:1px solid var(--border-accent);border-radius:var(--radius-xl);padding:var(--space-xl);text-align:center;transition:all .4s var(--ease-out);height:100%;position:relative;overflow:hidden}.service-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease-out)}.service-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--shadow-xl),0 0 40px var(--accent-muted);border-color:var(--accent)}.service-card:hover:before{transform:scaleX(1)}.service-icon{width:72px;height:72px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-light) 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto var(--space-md);font-size:var(--fs-2xl);color:#fff;transition:transform .3s var(--ease-spring)}.service-card:hover .service-icon{transform:scale(1.1)}.service-card h4{font-family:var(--font-display);font-size:var(--fs-xl);font-weight:var(--fw-semibold);margin-bottom:var(--space-sm);color:var(--text-primary)}.service-card p{font-family:var(--font-body);font-size:var(--fs-base);line-height:var(--lh-normal);color:var(--text-secondary)}.product-card{background:var(--bg-primary);border:1px solid var(--border-accent);border-radius:var(--radius-xl);overflow:hidden;transition:all .4s var(--ease-out);height:100%;position:relative}.product-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--shadow-xl),0 0 40px var(--accent-muted);border-color:var(--accent)}.product-image{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);padding:var(--space-xl);text-align:center;color:#fff;min-height:180px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.product-image:before{content:"";position:absolute;top:-50%;right:-50%;width:100%;height:100%;background:radial-gradient(circle,var(--glow-white) 0%,transparent 60%);transition:all .6s var(--ease-out)}.product-card:hover .product-image:before{transform:translate(-30%,30%)}.product-image i{font-size:56px;position:relative;z-index:1}.product-content{padding:var(--space-lg)}.product-content h4{font-family:var(--font-display);font-size:var(--fs-2xl);font-weight:var(--fw-semibold);margin-bottom:var(--space-sm);color:var(--text-primary)}.product-content p{font-family:var(--font-body);font-size:var(--fs-base);line-height:var(--lh-normal);color:var(--text-secondary);margin-bottom:var(--space-md)}.product-content ul{list-style:none;padding:0}.product-content li{border-bottom:1px solid var(--bg-tertiary);position:relative;padding:10px 0 10px 24px;font-family:var(--font-body);font-size:var(--fs-sm);color:var(--text-secondary)}.product-content li:last-child{border-bottom:none}.product-content li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:600}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-sm)}.tech-item{background:var(--bg-primary);border:1px solid var(--border-accent);color:var(--text-secondary);padding:var(--space-md) var(--space-sm);border-radius:var(--radius-md);text-align:center;font-family:var(--font-mono);font-size:var(--fs-sm);font-weight:var(--fw-medium);letter-spacing:var(--ls-wide);transition:all .3s var(--ease-out);cursor:default}.tech-item:hover{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;border-color:var(--accent);transform:translateY(-3px) scale(1.05);box-shadow:var(--shadow-accent-sm)}.about-content{background:var(--bg-primary);padding:var(--space-xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);text-align:center;border:1px solid var(--border-accent);transition:all .4s var(--ease-out);position:relative}.about-content:before{content:'"';position:absolute;top:20px;left:30px;font-family:var(--font-display);font-size:120px;color:var(--accent-muted);line-height:1;opacity:.5;pointer-events:none}.about-content:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg),0 0 30px var(--accent-muted)}.about-content h3{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2rem);font-weight:var(--fw-semibold);line-height:var(--lh-snug);letter-spacing:var(--ls-tight);margin-bottom:var(--space-md);color:var(--text-primary)}.about-content p{font-family:var(--font-body);font-size:var(--fs-md);line-height:var(--lh-relaxed);color:var(--text-secondary);margin-bottom:var(--space-sm)}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg);margin-top:var(--space-lg)}.stat-item{text-align:center}.stat-item h4{font-family:var(--font-display);font-size:clamp(2.5rem,5vw,3rem);font-weight:var(--fw-bold);color:var(--accent);margin-bottom:4px;letter-spacing:var(--ls-tight)}.stat-item p{font-family:var(--font-body);font-size:var(--fs-sm);color:var(--text-muted);text-transform:uppercase;letter-spacing:var(--ls-caps)}.modal-content{background:var(--bg-primary);border-radius:var(--radius-xl);border:1px solid var(--border-accent);box-shadow:var(--shadow-xl)}.modal-header{border-bottom:1px solid var(--border-default);padding:var(--space-lg)}.modal-title{font-family:var(--font-display);font-size:var(--fs-xl);font-weight:var(--fw-semibold);color:var(--text-primary)}.modal-body{font-family:var(--font-body);font-size:var(--fs-base);padding:var(--space-lg)}.modal-body img{width:100%;max-width:280px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);display:block;margin:0 auto}.navbar{background:var(--surface-overlay)!important;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border-accent);padding:0;position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .4s var(--ease-out)}.navbar-brand{font-family:var(--font-display);font-size:var(--fs-xl);font-weight:var(--fw-semibold);color:var(--text-primary)!important;letter-spacing:-.01em}.navbar-brand:hover{color:var(--accent)!important}.navbar-nav .nav-link{font-family:var(--font-body);color:var(--text-secondary)!important;font-size:var(--fs-sm);font-weight:var(--fw-regular);letter-spacing:var(--ls-wide);padding:var(--space-xs) var(--space-sm);transition:color .2s var(--ease-out);opacity:0;animation:fadeIn .5s var(--ease-out) forwards}.navbar-nav .nav-item:nth-child(1) .nav-link{animation-delay:.1s}.navbar-nav .nav-item:nth-child(2) .nav-link{animation-delay:.15s}.navbar-nav .nav-item:nth-child(3) .nav-link{animation-delay:.2s}.navbar-nav .nav-item:nth-child(4) .nav-link{animation-delay:.25s}.navbar-nav .nav-item:nth-child(5) .nav-link{animation-delay:.3s}.navbar-nav .nav-link:hover{color:var(--accent)!important}.navbar-toggler{border:none;padding:8px}.navbar-toggler:focus{box-shadow:none}.hero-section{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--bg-primary);padding-top:80px}.hero-section:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");opacity:var(--noise-opacity);pointer-events:none;z-index:1}.hero-section:after{content:"";position:absolute;top:-30%;right:-15%;width:70%;height:100%;background:radial-gradient(ellipse at center,var(--accent-muted) 0%,transparent 60%);pointer-events:none;z-index:0}.hero-decoration-circle{position:absolute;width:300px;height:300px;border:1px solid var(--border-accent);border-radius:50%;top:15%;right:10%;opacity:.5;animation:float 8s ease-in-out infinite;pointer-events:none;z-index:0}.hero-decoration-circle:before{content:"";position:absolute;top:30px;right:30px;bottom:30px;left:30px;border:1px solid var(--border-accent);border-radius:50%;animation:floatReverse 6s ease-in-out infinite}.hero-decoration-circle:after{content:"";position:absolute;top:60px;right:60px;bottom:60px;left:60px;background:var(--accent-muted);border-radius:50%;opacity:.3;animation:pulse 4s ease-in-out infinite}.hero-decoration-triangle{position:absolute;width:0;height:0;border-left:60px solid transparent;border-right:60px solid transparent;border-bottom:100px solid var(--accent-muted);bottom:20%;right:20%;opacity:.4;animation:floatReverse 7s ease-in-out infinite;pointer-events:none;z-index:0}.hero-decoration-dots{position:absolute;top:30%;left:5%;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;pointer-events:none;z-index:0}.hero-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;opacity:.4}.hero-dot:nth-child(2){animation:pulse 3s ease-in-out infinite}.hero-dot:nth-child(3){animation:pulse 3s ease-in-out .5s infinite}.hero-dot:nth-child(5){animation:pulse 3s ease-in-out 1s infinite}.hero-decoration-line{position:absolute;width:200px;height:1px;background:linear-gradient(90deg,transparent,var(--accent-light),transparent);bottom:35%;right:5%;transform:rotate(-30deg);opacity:.6;pointer-events:none;z-index:0}.hero-content{position:relative;z-index:2;max-width:720px}.hero-title{font-family:var(--font-display);font-size:var(--fs-5xl);font-weight:var(--fw-bold);line-height:var(--lh-tight);margin-bottom:var(--space-md);opacity:0;transform:translateY(30px);animation:fadeInUp .8s var(--ease-out-expo) .1s forwards;text-wrap:nowrap}.hero-title .text-gradient{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-family:var(--font-body);font-size:clamp(1.25rem,2.5vw,1.75rem);font-weight:var(--fw-regular);color:var(--text-muted);margin-bottom:var(--space-md);opacity:0;transform:translateY(30px);animation:fadeInUp .8s var(--ease-out-expo) .2s forwards}.hero-description{font-family:var(--font-body);font-size:clamp(1rem,1.8vw,1.1875rem);line-height:var(--lh-relaxed);color:var(--text-secondary);margin-bottom:var(--space-lg);max-width:580px;opacity:0;transform:translateY(30px);animation:fadeInUp .8s var(--ease-out-expo) .35s forwards;white-space:nowrap}.hero-buttons{display:flex;gap:var(--space-sm);flex-wrap:wrap;opacity:0;transform:translateY(30px);animation:fadeInUp .8s var(--ease-out-expo) .5s forwards}#services{background:var(--bg-primary);position:relative;overflow:hidden}#services .section-title{color:var(--text-primary)}#services .section-subtitle{color:var(--text-muted)}.services-glow{position:absolute;top:-30%;left:-15%;width:70%;height:100%;background:radial-gradient(ellipse at center,var(--accent-muted) 0%,transparent 65%);pointer-events:none}.services-glow:after{content:"";position:absolute;top:20%;right:-10%;width:50%;height:80%;background:radial-gradient(ellipse at center,var(--glow-warm) 0%,transparent 60%)}#contact{background:var(--bg-primary);position:relative;overflow:hidden}#contact .section-title{color:var(--text-primary)}#contact .section-subtitle{color:var(--text-muted)}.contact-glow{position:absolute;top:10%;right:-15%;width:60%;height:80%;background:radial-gradient(ellipse at center,var(--accent-muted) 0%,transparent 65%);pointer-events:none}.contact-glow:after{content:"";position:absolute;bottom:-20%;left:-10%;width:50%;height:70%;background:radial-gradient(ellipse at center,var(--glow-warm) 0%,transparent 60%)}.membership-steps{max-width:800px;margin:0 auto;position:relative}.membership-steps:before{content:"";position:absolute;left:10px;top:50px;bottom:50px;width:2px;background:linear-gradient(180deg,var(--accent),var(--accent-light),var(--accent));opacity:.3;z-index:0}.step-card{background:var(--surface-raised);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--space-md);margin-bottom:var(--space-sm);transition:all .4s var(--ease-out);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.step-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--accent),var(--accent-light));transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease-out)}.step-card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-md),0 0 30px var(--accent-muted);transform:translateY(-4px) translate(4px)}.step-card:hover:before{transform:scaleY(1)}.step-header{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);position:relative;z-index:1}.step-title{font-family:var(--font-display);font-size:var(--fs-lg);font-weight:var(--fw-semibold);color:var(--text-primary);margin:0}.step-content{font-family:var(--font-body);color:var(--text-secondary);line-height:var(--lh-normal);font-size:var(--fs-sm)}.step-content p{font-family:var(--font-body);color:var(--text-secondary);font-size:var(--fs-sm);line-height:var(--lh-normal);margin-bottom:0}.step-content strong{color:var(--accent);font-weight:var(--fw-medium)}.step-content a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}.step-content a:hover{border-color:var(--accent)}.wechat-qrcode{margin-top:var(--space-md);text-align:center;background:var(--accent-muted);border-radius:var(--radius-lg);padding:var(--space-md);border:1px solid var(--border-accent)}.wechat-qrcode img{width:100%;max-width:160px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);margin:0 auto;display:block;transition:transform .3s var(--ease-out)}.wechat-qrcode:hover img{transform:scale(1.03)}.qrcode-title{color:var(--text-primary);font-size:var(--fs-sm);font-weight:var(--fw-medium);margin-bottom:4px}.qrcode-desc{color:var(--text-muted);font-size:var(--fs-sm);margin-bottom:var(--space-md);font-family:var(--font-mono)}.qrcode-tip{color:var(--text-secondary);font-size:var(--fs-sm);margin-top:var(--space-md)}.qrcode-tip strong{color:var(--accent)}.celebration{display:flex;align-items:center;justify-content:center;gap:var(--space-xs);margin-top:var(--space-sm);padding:var(--space-sm);background:var(--accent-muted);border-radius:var(--radius-md)}.celebration i{color:var(--accent);font-size:var(--fs-base)}.celebration span{color:var(--text-primary);font-size:var(--fs-sm);font-weight:var(--fw-medium)}#contact .col-lg-4{padding:var(--space-sm)}#contact .fa-2x{color:var(--accent)!important;margin-bottom:var(--space-sm)}#contact h5{font-family:var(--font-body);font-size:var(--fs-base);font-weight:var(--fw-medium);color:var(--text-primary);margin-bottom:4px}#contact p{font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-normal)}footer{background:var(--bg-secondary);padding:var(--space-xl) 0 var(--space-lg);border-top:1px solid var(--border-accent)}footer p,footer a{font-family:var(--font-body);font-size:var(--fs-sm);color:var(--text-muted);line-height:var(--lh-normal)}footer a{text-decoration:none;transition:color .2s}footer a:hover{color:var(--accent)}.social-links{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}.social-links a{display:inline-flex;width:38px;height:38px;background:linear-gradient(135deg,var(--accent-muted),transparent);border:1px solid var(--border-accent);border-radius:50%;align-items:center;justify-content:center;transition:all .3s var(--ease-out);color:var(--text-muted)!important}.social-links a i,.social-links a .fa,.social-links a .fab,.social-links a .fas{font-size:var(--fs-base);color:var(--text-muted)!important;transition:color .3s var(--ease-out)}.social-links a:hover{background:linear-gradient(135deg,var(--accent),var(--accent-dark));border-color:var(--accent);transform:translateY(-3px) rotate(5deg);box-shadow:var(--shadow-accent)}.social-links a:hover i,.social-links a:hover .fa{color:#fff!important}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(5deg)}}@keyframes floatReverse{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(20px) rotate(-5deg)}}@keyframes pulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.stagger-1{animation-delay:.1s!important}.stagger-2{animation-delay:.2s!important}.stagger-3{animation-delay:.3s!important}.stagger-4{animation-delay:.4s!important}.stagger-5{animation-delay:.5s!important}.animate-on-scroll{opacity:0;transform:translateY(40px);transition:opacity .6s var(--ease-out-expo),transform .6s var(--ease-out-expo)}.animate-on-scroll.is-visible{opacity:1;transform:translateY(0)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent-light);border-radius:5px;border:2px solid var(--bg-secondary)}::-webkit-scrollbar-thumb:hover{background:var(--accent-hover)}@media(max-width:1024px){section{padding:var(--space-xl) 0}.hero-section{padding-top:100px}.stats-row{grid-template-columns:repeat(3,1fr);gap:var(--space-md)}.stat-item h4{font-size:var(--fs-3xl)}}@media(max-width:768px){body{font-size:var(--fs-base)}section{padding:var(--space-lg) 0}.section-title{font-size:var(--fs-2xl)}.section-subtitle{font-size:var(--fs-md);margin-bottom:var(--space-lg)}.hero-title{font-size:var(--fs-4xl);text-wrap:balance}.hero-subtitle{font-size:var(--fs-lg)}.hero-description{font-size:var(--fs-base);white-space:normal}.hero-buttons{flex-direction:column;align-items:stretch;max-width:300px}.hero-buttons .btn{text-align:center}.about-content{padding:var(--space-lg)}.about-content h3{font-size:var(--fs-xl)}.stats-row{grid-template-columns:1fr;gap:var(--space-md)}.tech-grid{grid-template-columns:repeat(2,1fr)}.service-card{padding:var(--space-lg)}.step-card{padding:var(--space-sm)}.step-title{font-size:var(--fs-base)}.social-links{justify-content:center}}@media(max-width:576px){.hero-section{min-height:auto;padding:120px 0 var(--space-xl)}.hero-title{font-size:var(--fs-2xl);text-wrap:balance;word-break:break-word}.hero-subtitle{font-size:var(--fs-md)}.section-title{font-size:var(--fs-xl)}.tech-grid{grid-template-columns:1fr 1fr;gap:var(--space-xs)}.tech-item{padding:var(--space-sm);font-size:var(--fs-xs)}.service-card{padding:var(--space-md)}.service-card h4{font-size:var(--fs-lg)}.service-card p{font-size:var(--fs-sm)}.product-image{min-height:140px;padding:var(--space-lg)}.product-image i{font-size:var(--fs-3xl)}.product-content{padding:var(--space-md)}.product-content h4{font-size:var(--fs-lg)}.step-card{padding:var(--space-sm)}.step-title{font-size:var(--fs-base)}.step-content p{font-size:var(--fs-xs)}.wechat-qrcode{padding:var(--space-sm)}.wechat-qrcode img{max-width:120px}.social-links a{width:34px;height:34px}}