*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#6366f1;--primary-light:#818cf8;--secondary-color:#8b5cf6;--accent-color:#06b6d4;--warning-color:#f59e0b;--text-primary:#1f2937;--text-secondary:#6b7280;--text-light:#9ca3af;--bg-primary:#ffffff;--bg-secondary:#f9fafb;--bg-dark:#111827;--bg-dark-2:#1e293b;--border-color:#e5e7eb;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1),0 10px 10px -5px rgba(0,0,0,0.04);--radius:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--transition:all 0.3s ease;--navbar-height:64px}html{scroll-behavior:smooth}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);overflow-x:hidden}.container{max-width:1280px;margin:0 auto;padding:0 2rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 1.5rem;font-size:0.95rem;font-weight:500;font-family:inherit;border:2px solid transparent;border-radius:var(--radius);cursor:pointer;transition:var(--transition);text-decoration:none;white-space:nowrap}.btn:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;box-shadow:0 4px 15px rgba(99,102,241,0.3)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(99,102,241,0.4)}.btn-outline{background:transparent;color:var(--primary-color);border-color:var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline:active,.btn-primary:active{transform:translateY(0)}.btn-large{padding:1rem 2rem;font-size:1.05rem}.navbar{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);z-index:1000;padding:1rem 0;transition:background 0.3s ease,box-shadow 0.3s ease}.navbar.scrolled{background:rgba(255,255,255,0.98);box-shadow:0 4px 6px -1px rgba(0,0,0,0.1)}.navbar .container{display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:0.5rem;font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none}.nav-brand i{font-size:1.8rem}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-menu a{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:var(--transition);position:relative}.nav-menu a:hover,.nav-menu a.active{color:var(--primary-color)}.nav-menu a::after{content:'';position:absolute;bottom:-0.5rem;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transition:var(--transition)}.nav-menu a:hover::after{width:100%}.nav-actions{display:flex;align-items:center;gap:1rem}.mobile-menu-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--text-primary);cursor:pointer;padding:0.25rem;line-height:1}.notice-bar{position:absolute;bottom:1.2rem;left:50%;transform:translateX(-50%);width:860px;max-width:calc(100% - 2rem);height:36px;background:transparent;display:flex;align-items:center;gap:0.6rem;z-index:10;pointer-events:none}.notice-label{flex-shrink:0;display:inline-flex;align-items:center;gap:0.35rem;padding:0.26rem 0.65rem;background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;font-size:0.72rem;font-weight:700;letter-spacing:0.06em;white-space:nowrap;border-radius:999px;box-shadow:0 2px 10px rgba(99,102,241,0.35);line-height:1;pointer-events:auto}.notice-label i{font-size:0.68rem}.notice-track-wrap{flex:1;height:100%;overflow:hidden}.notice-track{width:100%;height:100%;display:flex;align-items:center}.notice-item{flex:1;min-width:0;display:flex;align-items:center;gap:0.4rem;font-size:0.82rem;font-weight:500;color:var(--text-secondary);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:auto;transition:color 0.15s ease;padding:0 0.6rem}.notice-item:first-child{padding-left:0}.notice-item + .notice-item{border-left:1px solid rgba(107,114,128,0.25)}.notice-item:hover{color:var(--primary-color)}.notice-item::before{content:'';display:inline-block;flex-shrink:0;width:5px;height:5px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color))}.notice-placeholder{font-size:0.84rem;color:var(--text-light);font-style:italic}@media (max-width:900px){.notice-bar{width:calc(100% - 2rem)}}@media (max-width:600px){.notice-bar{height:30px;bottom:0.8rem}.notice-label{font-size:0.68rem;padding:0.22rem 0.5rem}.notice-item{font-size:0.72rem;padding:0 0.35rem}}.hero{min-height:100vh;display:flex;align-items:center;padding-top:5rem;padding-bottom:64px;background:linear-gradient(135deg,#f5f3ff 0%,#ede9fe 50%,#e0e7ff 100%);position:relative;overflow:hidden}.hero::before,.hero::after{content:'';position:absolute;border-radius:50%;pointer-events:none}.hero::before{top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(99,102,241,0.1) 0%,transparent 70%);animation:float 6s ease-in-out infinite}.hero::after{bottom:-30%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(139,92,246,0.08) 0%,transparent 70%);animation:float 8s ease-in-out infinite reverse}.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:1}.hero-content{animation:fadeInUp 0.8s ease both}.hero-title{font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;color:var(--text-primary)}.gradient-text{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-description{font-size:1.2rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.8}.hero-buttons{display:flex;gap:1rem;margin-bottom:3rem}.hero-stats{display:flex;gap:3rem}.stat-item{text-align:center}.stat-number{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:0.9rem;color:var(--text-secondary);margin-top:0.25rem}.hero-image{animation:fadeInRight 0.8s ease 0.2s both}.code-window{background:var(--bg-dark);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-xl)}.window-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--bg-dark-2);border-bottom:1px solid rgba(255,255,255,0.1)}.window-controls{display:flex;gap:0.5rem}.control{width:12px;height:12px;border-radius:50%}.control.red{background:#ef4444}.control.yellow{background:#f59e0b}.control.green{background:#10b981}.window-title{color:var(--text-light);font-size:0.9rem;font-family:'Monaco','Courier New',monospace}.window-content{padding:1.5rem}.window-content pre{margin:0;font-family:'Monaco','Courier New',monospace;font-size:0.9rem;line-height:1.6;overflow-x:auto}.window-content .keyword{color:#c678dd}.window-content .function{color:#61afef}.window-content .string{color:#98c379}.window-content .property{color:#e06c75}.window-content .console{color:#e5c07b}section{padding:6rem 0}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(135deg,var(--text-primary),var(--text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-subtitle{font-size:1.1rem;color:var(--text-secondary)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.feature-card{background:var(--bg-primary);padding:2.5rem;border-radius:var(--radius-xl);border:1px solid var(--border-color);transition:all 0.4s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden}.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transform:scaleX(0);transition:transform 0.4s cubic-bezier(0.4,0,0.2,1)}.feature-card::after{content:'';position:absolute;bottom:0;right:0;width:100px;height:100px;background:radial-gradient(circle,rgba(99,102,241,0.1) 0%,transparent 70%);border-radius:50%;opacity:0;transition:opacity 0.4s ease}.feature-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(99,102,241,0.15);border-color:var(--primary-light)}.feature-card:hover::before{transform:scaleX(1)}.feature-card:hover::after{opacity:1}.feature-card:active{transform:translateY(-4px)}.feature-icon{width:60px;height:60px;border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(99,102,241,0.1),rgba(139,92,246,0.1));display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;font-size:1.5rem;color:var(--primary-color)}.feature-card h3{font-size:1.25rem;margin-bottom:0.75rem;color:var(--text-primary)}.feature-card p{color:var(--text-secondary);line-height:1.7}.testimonials{background:linear-gradient(135deg,var(--bg-secondary) 0%,#fff 100%)}.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;align-items:stretch}.testimonial-card{background:var(--bg-primary);padding:2rem;border-radius:var(--radius-xl);box-shadow:var(--shadow);transition:all 0.4s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden;display:flex;flex-direction:column}.testimonial-card::before{content:'\201C';position:absolute;top:10px;left:20px;font-size:6rem;color:rgba(99,102,241,0.05);font-family:Georgia,serif;line-height:1;pointer-events:none;transition:color 0.4s ease}.testimonial-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(0,0,0,0.1)}.testimonial-card:hover::before{color:rgba(99,102,241,0.1)}.testimonial-rating{color:var(--warning-color);margin-bottom:1rem;font-size:0.9rem;gap:0.2rem;display:flex}.testimonial-text{color:var(--text-secondary);line-height:1.8;margin-bottom:1.5rem;font-style:italic;flex:1}.testimonial-author{display:flex;align-items:center;gap:1rem}.testimonial-author img{width:50px;height:50px;border-radius:50%;object-fit:cover}.author-name{font-weight:600;color:var(--text-primary)}.author-title{font-size:0.85rem;color:var(--text-light)}.contact{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));padding:5rem 0}.contact-minimal{text-align:center}.contact-title{font-size:2rem;font-weight:700;color:#fff;margin-bottom:0.75rem}.contact-sub{color:rgba(255,255,255,0.8);font-size:1rem;margin-bottom:2rem}.contact-qq{display:inline-flex;align-items:center;gap:0.75rem;padding:0.875rem 2.5rem;background:#fff;border-radius:50px;font-size:1.2rem;font-weight:600;color:var(--primary-color);letter-spacing:0.05em}.contact-qq i{font-size:1.4rem;color:var(--primary-color)}.faq{padding:3rem 0;background:var(--bg-secondary)}.faq .section-header{margin-bottom:1.5rem}.faq-list{max-width:860px;margin:0 auto}.faq-item{margin-bottom:1.2rem;padding-bottom:1.2rem;border-bottom:1px solid var(--border-color)}.faq-item:last-of-type{border-bottom:none}.faq-q{font-size:0.95rem;font-weight:600;color:var(--text-primary);margin-bottom:0.3rem}.faq-a{font-size:0.9rem;color:var(--text-secondary);line-height:1.7}.footer{background:var(--bg-dark);color:#fff;padding:1.5rem 0}.footer-bottom{text-align:center;color:rgba(255,255,255,0.6);font-size:0.9rem}.back-to-top{position:fixed;bottom:2rem;right:2rem;display:flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border:none;cursor:pointer;font-size:1.2rem;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);z-index:999}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{transform:translateY(-3px) scale(1.1);box-shadow:0 10px 30px rgba(99,102,241,0.4)}.back-to-top:active{transform:translateY(0) scale(0.95)}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInRight{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}.anim-ready{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease var(--anim-delay,0s),transform 0.6s ease var(--anim-delay,0s)}.anim-ready.visible{opacity:1;transform:translateY(0)}@media (max-width:1024px){.hero .container{grid-template-columns:1fr;text-align:center;gap:2.5rem}.hero-buttons,.hero-stats{justify-content:center}.hero-stats{gap:2rem}.features-grid,.testimonials-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.nav-menu,.nav-actions{display:none}.mobile-menu-toggle{display:block}.nav-menu.open{display:flex;flex-direction:column;gap:0;position:fixed;top:var(--navbar-height);left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 8px 20px rgba(0,0,0,0.1);padding:0.5rem 0 1rem;z-index:999}.nav-menu.open li a{display:block;padding:0.75rem 1.5rem;font-size:1rem;border-bottom:1px solid var(--border-color)}.nav-menu.open li:last-child a{border-bottom:none}.hero{padding-top:4.5rem;min-height:auto;padding-bottom:56px}.hero .container{gap:2rem}.hero-title{font-size:2.2rem}.hero-description{font-size:1rem}.hero-image{display:none}.section-title{font-size:1.8rem}section{padding:3.5rem 0}.features-grid,.testimonials-grid{grid-template-columns:1fr}.contact-title{font-size:1.6rem}.contact-qq{font-size:1rem;padding:0.75rem 1.5rem;max-width:260px;width:100%;justify-content:center}}@media (max-width:480px){.container{padding:0 1rem}.hero-title{font-size:1.85rem}.section-title{font-size:1.5rem}.hero-stats{flex-direction:column;gap:1.2rem}.hero-buttons{flex-direction:column;align-items:stretch}.btn{width:100%;justify-content:center}.feature-card,.testimonial-card{padding:1.5rem}.contact-qq{max-width:100%;width:auto}.back-to-top{bottom:1rem;right:1rem;width:42px;height:42px;font-size:1rem}}