:root{--primary-blue:#1E90FF;--cyan:#00D2FF;--deep-blue:#0a5cd6;--dark-bg:#1A1E2B;--darker-bg:#141720;--orange:#FF6B35;--orange-hover:#e85a28;--success-green:#22c55e;--light-gray:#F5F7FA;--mid-gray:#6b7280;--dark-gray:#2E3A4D;--white:#ffffff;--card-bg:#1f2533;--card-border:#2a3140;--gradient-hero:linear-gradient(135deg,#0a1628 0%,#0d1f3c 30%,#0a1a35 60%,#0a1628 100%);--gradient-blue:linear-gradient(135deg,#1E90FF 0%,#00D2FF 100%);--gradient-cta:linear-gradient(135deg,#1a1e2b 0%,#141720 100%);--shadow-card:0 4px 24px rgba(0,0,0,0.3);--shadow-hover:0 12px 40px rgba(0,0,0,0.5);--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--transition-fast:0.2s ease;--transition-normal:0.3s ease;--transition-slow:0.5s ease;--max-width:1280px;--header-height:70px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:'Source Han Sans CN','Noto Sans SC','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background-color:var(--dark-bg);color:#e0e0e0;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.lang-switch-input{display:none}.en-content{display:none}.cn-content{display:inline}.en-block{display:none}.cn-block{display:block}.en-inline{display:none}.cn-inline{display:inline}.en-flex{display:none}.cn-flex{display:flex}#lang-en:checked~.page-wrapper .en-content{display:inline}#lang-en:checked~.page-wrapper .cn-content{display:none}#lang-en:checked~.page-wrapper .en-block{display:block}#lang-en:checked~.page-wrapper .cn-block{display:none}#lang-en:checked~.page-wrapper .en-inline{display:inline}#lang-en:checked~.page-wrapper .cn-inline{display:none}#lang-en:checked~.page-wrapper .en-flex{display:flex}#lang-en:checked~.page-wrapper .cn-flex{display:none}.lang-toggle-labels{display:flex;align-items:center;gap:4px;background:rgba(255,255,255,0.08);border-radius:20px;padding:3px;border:1px solid rgba(255,255,255,0.15)}.lang-toggle-label{padding:6px 14px;border-radius:17px;cursor:pointer;font-size:0.8rem;font-weight:600;transition:all var(--transition-fast);color:#aaa;letter-spacing:0.5px;user-select:none;white-space:nowrap}#lang-cn:checked~.page-wrapper .lang-toggle-label.cn-label,#lang-en:checked~.page-wrapper .lang-toggle-label.en-label{background:var(--gradient-blue);color:#fff;box-shadow:0 2px 10px rgba(30,144,255,0.4)}.page-wrapper{position:relative;width:100%;overflow-x:hidden}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(26,30,43,0.75);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,0.06);transition:all var(--transition-normal);height:var(--header-height)}.header-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:100%}.logo-area{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}.logo-icon{width:42px;height:42px;border-radius:10px;background:var(--gradient-blue);display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:900;color:#fff;box-shadow:0 4px 16px rgba(30,144,255,0.35);position:relative;overflow:hidden}.logo-icon::after{content:'';position:absolute;width:20px;height:20px;border:3px solid rgba(255,255,255,0.5);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);animation:logo-spin 3s linear infinite}@keyframes logo-spin{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}.logo-text{font-size:1.25rem;font-weight:700;color:#fff;letter-spacing:1px}.logo-text .cn-content{color:#fff}.logo-text .en-content{color:#fff}.main-nav{display:flex;align-items:center;gap:24px;list-style:none}.main-nav a{color:#c0c7d0;text-decoration:none;font-size:0.9rem;font-weight:500;transition:color var(--transition-fast);white-space:nowrap;letter-spacing:0.3px}.main-nav a:hover{color:#fff}.nav-cta-btn{background:var(--gradient-blue);color:#fff!important;padding:9px 20px;border-radius:22px;font-weight:600!important;font-size:0.85rem!important;transition:all var(--transition-fast);box-shadow:0 4px 14px rgba(30,144,255,0.3);letter-spacing:0.5px;text-decoration:none}.nav-cta-btn:hover{box-shadow:0 6px 22px rgba(30,144,255,0.5);transform:translateY(-1px)}.hamburger-checkbox{display:none}.hamburger-label{display:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px;z-index:1001}.hamburger-label span{display:block;width:26px;height:2.5px;background:#fff;border-radius:2px;transition:all var(--transition-fast)}.hero-section{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--gradient-hero);overflow:hidden;padding-top:var(--header-height)}.hero-particles{position:absolute;inset:0;pointer-events:none}.hero-particle{position:absolute;border-radius:50%;background:rgba(30,144,255,0.4);animation:float-up linear infinite;box-shadow:0 0 20px rgba(0,210,255,0.5)}@keyframes float-up{0%{transform:translateY(0) translateX(0) scale(1);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(-100vh) translateX(60px) scale(0.3);opacity:0}}.hero-particle:nth-child(1){left:10%;width:6px;height:6px;animation-duration:8s;animation-delay:0s;bottom:-20px}.hero-particle:nth-child(2){left:25%;width:4px;height:4px;animation-duration:11s;animation-delay:2s;bottom:-30px}.hero-particle:nth-child(3){left:40%;width:8px;height:8px;animation-duration:9s;animation-delay:4s;bottom:-10px}.hero-particle:nth-child(4){left:55%;width:5px;height:5px;animation-duration:10s;animation-delay:1s;bottom:-40px}.hero-particle:nth-child(5){left:70%;width:7px;height:7px;animation-duration:12s;animation-delay:3s;bottom:-15px}.hero-particle:nth-child(6){left:85%;width:3px;height:3px;animation-duration:7s;animation-delay:5s;bottom:-25px}.hero-particle:nth-child(7){left:15%;width:9px;height:9px;animation-duration:13s;animation-delay:6s;bottom:-35px}.hero-particle:nth-child(8){left:60%;width:4px;height:4px;animation-duration:8.5s;animation-delay:1.5s;bottom:-20px}.hero-glow{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(0,210,255,0.25) 0%,transparent 70%);top:30%;left:50%;transform:translate(-50%,-50%);animation:pulse-glow 4s ease-in-out infinite;pointer-events:none}@keyframes pulse-glow{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:0.6}50%{transform:translate(-50%,-50%) scale(1.3);opacity:1}}.hero-inner{position:relative;z-index:2;text-align:center;max-width:900px;padding:40px 24px}.hero-badge{display:inline-block;background:rgba(30,144,255,0.2);border:1px solid rgba(30,144,255,0.4);color:#00D2FF;padding:7px 18px;border-radius:20px;font-size:0.85rem;font-weight:600;letter-spacing:1px;margin-bottom:20px}.hero-title{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;color:#fff;letter-spacing:2px;line-height:1.2;margin-bottom:16px}.hero-title .highlight{background:var(--gradient-blue);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.15rem;color:#b0b8c4;max-width:620px;margin:0 auto 32px;line-height:1.7}.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn-primary{display:inline-block;background:var(--orange);color:#fff;padding:14px 32px;border-radius:28px;font-weight:700;font-size:1rem;text-decoration:none;letter-spacing:0.5px;transition:all var(--transition-fast);box-shadow:0 6px 24px rgba(255,107,53,0.4);white-space:nowrap}.btn-primary:hover{background:var(--orange-hover);box-shadow:0 10px 32px rgba(255,107,53,0.6);transform:translateY(-2px)}.btn-secondary{display:inline-block;background:transparent;color:#fff;padding:13px 30px;border-radius:28px;font-weight:600;font-size:1rem;text-decoration:none;letter-spacing:0.5px;border:2px solid rgba(255,255,255,0.35);transition:all var(--transition-fast);white-space:nowrap}.btn-secondary:hover{border-color:#fff;background:rgba(255,255,255,0.08)}.hero-device-mockup{margin-top:40px;max-width:700px;margin-left:auto;margin-right:auto;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid rgba(255,255,255,0.1)}.hero-device-mockup img{width:100%;display:block}.hero-device-placeholder{width:100%;aspect-ratio:16/9;background:rgba(20,23,32,0.9);display:flex;align-items:center;justify-content:center;color:#6b7280;font-size:1rem;letter-spacing:1px;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.08)}.section{padding:80px 24px;max-width:var(--max-width);margin:0 auto}.section-title{text-align:center;font-size:2rem;font-weight:700;color:#fff;margin-bottom:8px;letter-spacing:1px}.section-subtitle{text-align:center;color:#9ca3af;font-size:1rem;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}.stats-bar{background:rgba(255,255,255,0.03);border-top:1px solid rgba(255,255,255,0.06);border-bottom:1px solid rgba(255,255,255,0.06);padding:40px 24px}.stats-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}.stat-item{padding:16px}.stat-number{font-size:2.5rem;font-weight:800;background:var(--gradient-blue);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:1px;animation:stat-shimmer 3s ease-in-out infinite}@keyframes stat-shimmer{0%,100%{filter:brightness(1)}50%{filter:brightness(1.4)}}.stat-label{color:#9ca3af;font-size:0.9rem;margin-top:4px;letter-spacing:0.5px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.feature-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:28px 24px;transition:all var(--transition-normal);text-decoration:none;color:inherit;display:block;position:relative;overflow:hidden}.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--gradient-blue);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-normal)}.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(30,144,255,0.4)}.feature-card:hover::before{transform:scaleX(1)}.feature-icon{width:52px;height:52px;border-radius:var(--radius-sm);background:rgba(30,144,255,0.15);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:16px;transition:all var(--transition-normal)}.feature-card:hover .feature-icon{background:rgba(30,144,255,0.3);box-shadow:0 0 20px rgba(30,144,255,0.3)}.feature-card h3{color:#fff;font-size:1.15rem;font-weight:700;margin-bottom:8px;letter-spacing:0.5px}.feature-card p{color:#9ca3af;font-size:0.9rem;line-height:1.6}.scenarios-section{background:rgba(255,255,255,0.015);padding:80px 24px}.scenarios-inner{max-width:var(--max-width);margin:0 auto}.scenario-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}.scenario-tab-radio{display:none}.scenario-tab-label{padding:10px 22px;border-radius:22px;cursor:pointer;font-weight:600;font-size:0.9rem;color:#b0b8c4;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);transition:all var(--transition-fast);user-select:none;letter-spacing:0.5px;white-space:nowrap}.scenario-tab-label:hover{color:#fff;border-color:rgba(255,255,255,0.3)}#scenario-tab1:checked~.scenario-tabs .tab-label-1,#scenario-tab2:checked~.scenario-tabs .tab-label-2,#scenario-tab3:checked~.scenario-tabs .tab-label-3,#scenario-tab4:checked~.scenario-tabs .tab-label-4{background:var(--gradient-blue);color:#fff;border-color:transparent;box-shadow:0 4px 16px rgba(30,144,255,0.4)}.scenario-panels{position:relative}.scenario-panel{display:none;text-align:center;padding:20px;animation:fadeInUp 0.4s ease}@keyframes fadeInUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}#scenario-tab1:checked~.scenario-panels .scenario-panel-1,#scenario-tab2:checked~.scenario-panels .scenario-panel-2,#scenario-tab3:checked~.scenario-panels .scenario-panel-3,#scenario-tab4:checked~.scenario-panels .scenario-panel-4{display:block}.scenario-panel h3{color:#fff;font-size:1.5rem;margin-bottom:8px}.scenario-panel p{color:#9ca3af;max-width:500px;margin:0 auto 16px;line-height:1.7}.scenario-panel .scenario-visual{width:100%;max-width:500px;aspect-ratio:16/10;background:rgba(30,144,255,0.08);border-radius:var(--radius-lg);margin:0 auto;display:flex;align-items:center;justify-content:center;color:#6b7280;border:1px dashed rgba(255,255,255,0.15);font-size:0.9rem;letter-spacing:1px}.map-section{padding:80px 24px;max-width:var(--max-width);margin:0 auto}.map-container{position:relative;width:100%;max-width:800px;margin:0 auto;aspect-ratio:2/1}.map-svg{width:100%;height:100%}.map-node{fill:#00D2FF;animation:node-breathe 2s ease-in-out infinite;cursor:pointer}.map-node:nth-child(odd){animation-delay:0s}.map-node:nth-child(even){animation-delay:1s}@keyframes node-breathe{0%,100%{r:5;opacity:0.8}50%{r:10;opacity:1}}.map-connection{stroke:rgba(0,210,255,0.25);stroke-width:1;fill:none;stroke-dasharray:6 4;animation:dash-flow 3s linear infinite}@keyframes dash-flow{to{stroke-dashoffset:-30}}.pricing-section{background:var(--gradient-cta);padding:80px 24px}.pricing-inner{max-width:var(--max-width);margin:0 auto}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;align-items:stretch}.pricing-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all var(--transition-normal);position:relative;display:flex;flex-direction:column}.pricing-card.featured{border-color:#00D2FF;box-shadow:0 0 30px rgba(0,210,255,0.2);transform:scale(1.03)}.pricing-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient-blue);color:#fff;padding:5px 16px;border-radius:14px;font-size:0.8rem;font-weight:700;letter-spacing:1px;white-space:nowrap}.pricing-card h3{color:#fff;font-size:1.3rem;margin-bottom:4px}.pricing-price{font-size:2.8rem;font-weight:800;color:#fff;margin:12px 0}.pricing-price .currency{font-size:1.2rem;vertical-align:super}.pricing-price .period{font-size:0.9rem;color:#9ca3af;font-weight:400}.pricing-features{list-style:none;text-align:left;padding:0;margin:16px 0 24px;flex-grow:1}.pricing-features li{padding:7px 0;color:#b0b8c4;font-size:0.9rem;border-bottom:1px solid rgba(255,255,255,0.04);position:relative;padding-left:22px}.pricing-features li::before{content:'✓';position:absolute;left:0;color:var(--success-green);font-weight:700}.pricing-cta{display:inline-block;background:var(--orange);color:#fff;padding:12px 28px;border-radius:24px;font-weight:700;text-decoration:none;letter-spacing:0.5px;transition:all var(--transition-fast);box-shadow:0 4px 16px rgba(255,107,53,0.35);margin-top:auto}.pricing-cta:hover{background:var(--orange-hover);box-shadow:0 8px 28px rgba(255,107,53,0.55);transform:translateY(-2px)}.pricing-card.featured .pricing-cta{background:var(--gradient-blue);box-shadow:0 4px 20px rgba(30,144,255,0.4)}.pricing-card.featured .pricing-cta:hover{box-shadow:0 8px 30px rgba(30,144,255,0.6)}.testimonials-section{padding:80px 24px;max-width:var(--max-width);margin:0 auto}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.testimonial-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition-normal)}.testimonial-card:hover{box-shadow:var(--shadow-hover);border-color:rgba(255,255,255,0.2)}.testimonial-stars{color:#f59e0b;font-size:1.1rem;letter-spacing:2px;margin-bottom:8px}.testimonial-text{color:#c0c7d0;font-size:0.95rem;line-height:1.6;margin-bottom:12px;font-style:italic}.testimonial-author{color:#9ca3af;font-size:0.85rem;font-weight:600}.testimonial-tag{display:inline-block;background:rgba(30,144,255,0.15);color:#00D2FF;padding:3px 10px;border-radius:12px;font-size:0.75rem;margin-bottom:8px;letter-spacing:0.5px}.trust-logos{display:flex;flex-wrap:wrap;gap:32px;justify-content:center;align-items:center;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,0.06)}.trust-logo-item{color:#6b7280;font-weight:700;font-size:1rem;letter-spacing:1px;filter:grayscale(1);transition:all var(--transition-fast);text-decoration:none;opacity:0.6}.trust-logo-item:hover{filter:grayscale(0);opacity:1;color:#fff}.faq-section{padding:80px 24px;max-width:var(--max-width);margin:0 auto;background:rgba(255,255,255,0.015)}.faq-inner{max-width:800px;margin:0 auto}.faq-item{border:1px solid var(--card-border);border-radius:var(--radius-md);margin-bottom:12px;background:var(--card-bg);overflow:hidden}.faq-question{display:block;padding:18px 20px;cursor:pointer;font-weight:600;color:#e0e0e0;font-size:1rem;letter-spacing:0.3px;transition:all var(--transition-fast);position:relative;user-select:none}.faq-question::after{content:'+';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:#6b7280;transition:all var(--transition-fast)}.faq-radio{display:none}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.5s ease,padding 0.5s ease;padding:0 20px}.faq-radio:checked+.faq-question+.faq-answer{max-height:800px;padding:0 20px 20px}.faq-radio:checked+.faq-question::after{content:'−';color:#00D2FF}.faq-radio:checked+.faq-question{color:#fff}.faq-answer ol{padding-left:20px;color:#b0b8c4;line-height:1.8}.faq-answer ol li{margin-bottom:8px;font-size:0.9rem}.faq-answer ol li strong{color:#e0e0e0}.site-footer{background:var(--darker-bg);border-top:1px solid rgba(255,255,255,0.06);padding:48px 24px 24px}.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:32px}.footer-col h4{color:#fff;font-size:0.95rem;font-weight:700;margin-bottom:14px;letter-spacing:0.5px}.footer-col a{display:block;color:#9ca3af;text-decoration:none;font-size:0.85rem;padding:4px 0;transition:color var(--transition-fast)}.footer-col a:hover{color:#fff}.footer-social{display:flex;gap:12px;margin-top:8px}.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;font-size:0.85rem;transition:all var(--transition-fast);color:#b0b8c4;text-decoration:none}.footer-social a:hover{background:var(--gradient-blue);color:#fff}.footer-bottom{max-width:var(--max-width);margin:32px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,0.06);text-align:center;color:#6b7280;font-size:0.8rem;letter-spacing:0.5px}@media (max-width:1024px){.stats-inner{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}.pricing-card.featured{transform:scale(1)}.testimonials-grid{grid-template-columns:1fr;max-width:500px;margin:0 auto}}@media (max-width:768px){.main-nav{position:fixed;top:var(--header-height);left:0;width:100%;background:rgba(26,30,43,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:20px;gap:12px;transform:translateY(-120%);transition:transform var(--transition-normal);border-bottom:1px solid rgba(255,255,255,0.1);z-index:999}.hamburger-label{display:flex}#hamburger-toggle:checked~.main-nav{transform:translateY(0)}#hamburger-toggle:checked~.hamburger-label span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}#hamburger-toggle:checked~.hamburger-label span:nth-child(2){opacity:0}#hamburger-toggle:checked~.hamburger-label span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.hero-title{font-size:1.8rem}.hero-subtitle{font-size:0.95rem}.hero-buttons{flex-direction:column;align-items:center}.btn-primary,.btn-secondary{width:100%;text-align:center;max-width:300px}.stats-inner{grid-template-columns:repeat(2,1fr);gap:16px}.stat-number{font-size:1.8rem}.features-grid{grid-template-columns:1fr}.section-title{font-size:1.5rem}.footer-inner{grid-template-columns:repeat(2,1fr)}.scenario-tabs{gap:6px}.scenario-tab-label{padding:8px 14px;font-size:0.8rem}}@media (max-width:480px){.stats-inner{grid-template-columns:1fr 1fr;gap:8px}.stat-number{font-size:1.5rem}.stat-label{font-size:0.75rem}.hero-title{font-size:1.5rem}.pricing-price{font-size:2.2rem}.footer-inner{grid-template-columns:1fr}.lang-toggle-label{padding:4px 10px;font-size:0.7rem}.logo-text{font-size:1rem}.logo-icon{width:34px;height:34px;font-size:1.1rem}}