:root{--primary-color:#3963bc;--primary-dark:#4A6A9A;--primary-light:#7B9DC8;--type-1:#6366F1;--type-2:#EC4899;--type-3:#F59E0B;--type-4:#8B5CF6;--type-5:#06B6D4;--type-6:#22C55E;--type-7:#F97316;--type-8:#DC2626;--type-9:#14B8A6;--bg-color:#F7F9FC;--bg-white:#FFFFFF;--bg-light:#F0F4F8;--text-primary:#323233;--text-secondary:#606266;--text-muted:#8A94A6;--text-light:#94A3B8;--border-color:#E5E7EB;--border-light:#F0F0F0;--divider:rgba(0, 0, 0, 0.06);--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.05);--shadow-md: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);--gradient-primary:linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-header:linear-gradient(180deg, #5B7DB1 0%, #5B7DB1 10%, #4A6A9A 100%);--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:3rem;--spacing-2xl:4rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;--transition-fast:150ms ease;--transition-base:250ms ease;--transition-slow:350ms ease}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);color:var(--text-primary);background-color:var(--bg-color);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}@font-face{font-family:jiuxing-icons;src:url('icons.woff2?v=1') format('woff2');font-style:normal;font-weight:400;font-display:swap;unicode-range:U+E1FE-E207}.jti{font-family:jiuxing-icons!important;font-style:normal;font-weight:400;font-variant:normal;text-transform:none;letter-spacing:normal;white-space:nowrap;word-wrap:normal;direction:ltr;width:1em;height:1em;line-height:1;-webkit-font-feature-settings:'liga';font-feature-settings:'liga'}.jti-logo:before{content:'\e1fe'}.jti-free:before{content:'\e1ff'}.jti-target:before{content:'\e200'}.jti-topic:before{content:'\e201'}.jti-chart:before{content:'\e202'}.jti-share:before{content:'\e203'}.jti-teams:before{content:'\e204'}.jti-promo:before{content:'\e205'}.jti-edu:before{content:'\e206'}.jti-light:before{content:'\e207'}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-sm)}@media (min-width:768px){.container{padding:0 var(--spacing-md)}}@media (min-width:1024px){.container{padding:0 var(--spacing-lg)}}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.section-subtitle{font-size:1.125rem;text-align:center;color:var(--text-muted);margin-bottom:var(--spacing-xl)}.btn{display:inline-block;padding:.875rem 2rem;font-size:1rem;font-weight:600;text-align:center;text-decoration:none;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);will-change:transform}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:active{transform:translateY(0)}.btn-outline{background:0 0;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff}.card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-md);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.navbar{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);z-index:1000;transition:all var(--transition-base)}.navbar .container{display:flex;align-items:center;justify-content:space-between;height:70px}.navbar-brand{display:flex;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none}.navbar-brand .logo{width:32px;height:32px}.navbar-menu{display:none;list-style:none;gap:var(--spacing-lg)}@media (min-width:768px){.navbar-menu{display:flex}}.navbar-menu a{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color var(--transition-fast);position:relative}.navbar-menu a.active,.navbar-menu a:hover{color:var(--primary-color);border-bottom-color:transparent}.navbar-menu a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary-color);transition:width var(--transition-base)}.navbar-menu a.active::after,.navbar-menu a:hover::after{width:100%}.navbar-toggle{display:flex;flex-direction:column;gap:4px;background:0 0;border:none;cursor:pointer;padding:.5rem}@media (min-width:768px){.navbar-toggle{display:none}}.navbar-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);transition:all var(--transition-base);transform-origin:center}.navbar-toggle.active span:first-child{transform:translateY(6px) rotate(45deg)}.navbar-toggle.active span:nth-child(2){opacity:0}.navbar-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}@media (max-width:767px){.navbar-menu{position:absolute;top:70px;left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(10px);flex-direction:column;padding:var(--spacing-md) var(--spacing-lg);gap:0;box-shadow:0 4px 6px -1px rgba(0,0,0,.1);max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease,opacity .3s ease;opacity:0}.navbar-menu.active{display:flex;align-items:end;max-height:300px;padding:var(--spacing-md) var(--spacing-lg);opacity:1}.navbar-menu li{width:100%}.navbar-menu a{display:block;padding:.75rem 0;border-bottom:1px solid rgba(0,0,0,.06);font-size:1rem}.navbar-menu li:last-child a{border-bottom:none}}.footer{background:var(--text-primary);color:#fff;padding:var(--spacing-2xl) 0 var(--spacing-lg);margin-top:var(--spacing-2xl)}.footer-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}.footer-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-sm)}.footer-links{list-style:none}.footer-links li{margin-bottom:.5rem}.footer-links a{color:rgba(255,255,255,.7);text-decoration:none;transition:color var(--transition-fast)}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:var(--spacing-lg);text-align:center;color:rgba(255,255,255,.6);font-size:.875rem}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}.scroll-animate-in{opacity:0;transform:translateY(30px)}.animate-fade-in-up{animation:fadeInUp .6s ease-out}.text-center{text-align:center}.text-primary{color:var(--primary-color)}.text-muted{color:var(--text-muted)}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.hero{background:var(--gradient-header);color:#fff;padding:120px 0 80px;text-align:center;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:-70%;right:-30%;width:400px;height:400px;background:rgba(255,255,255,.1);border-radius:50%;animation:nebulaBreath 6s ease-in-out infinite;will-change:transform,opacity}@keyframes nebulaBreath{0%,100%{transform:scale(1) translate(0,0);opacity:.15}50%{transform:scale(1.1) translate(-10px,10px);opacity:.25}}.hero-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;position:relative;z-index:1}.hero-subtitle{font-size:1.25rem;margin-bottom:2rem;opacity:.95;position:relative;z-index:1}.hero-tags{display:flex;justify-content:center;align-items:center;gap:1rem;margin-bottom:2rem;flex-wrap:wrap;position:relative;z-index:1}.hero-tag{background:rgba(255,255,255,.2);padding:.5rem 1rem;border-radius:var(--radius-full);font-size:.875rem;backdrop-filter:blur(10px);display:flex;align-items:center}.tag-icon{margin-right:4px;font-size:1rem}@media (max-width:767px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}}.radar-section{padding:var(--spacing-2xl) 0;background:var(--bg-white)}.radar-container{max-width:600px;margin:0 auto}.radar-canvas-wrapper{position:relative;width:100%;aspect-ratio:1;background:var(--bg-light);border-radius:var(--radius-xl);overflow:hidden}#radarChart{width:100%;height:100%;display:block}.radar-description{text-align:center;margin-top:var(--spacing-md);color:var(--text-muted)}.features-section{padding:var(--spacing-2xl) 0}.features-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-lg)}@media (min-width:768px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.features-grid{grid-template-columns:repeat(3,1fr)}}.feature-card{text-align:center}.feature-icon{width:64px;height:64px;margin:0 auto var(--spacing-md);background:var(--gradient-primary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff}.feature-title{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-sm)}.feature-desc{color:var(--text-secondary);line-height:1.6}.process-section{padding:var(--spacing-2xl) 0;background:var(--bg-white)}.process-steps{display:grid;grid-template-columns:1fr;gap:var(--spacing-lg);max-width:900px;margin:0 auto}@media (min-width:768px){.process-steps{grid-template-columns:repeat(4,1fr)}}.step-item{text-align:center;position:relative}.step-number{width:60px;height:60px;margin:0 auto var(--spacing-md);background:var(--gradient-primary);color:#fff;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700}.step-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-xs)}.step-desc{color:var(--text-muted);font-size:.875rem}.types-section{padding:var(--spacing-2xl) 0}.types-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}@media (min-width:768px){.types-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.types-grid{grid-template-columns:repeat(3,1fr)}}.type-card{display:flex;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-base)}.type-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.type-badge{flex-shrink:0;width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.25rem}.type-info h3{font-size:1.125rem;font-weight:600;margin-bottom:.25rem}.type-info p{color:var(--text-muted);font-size:.875rem;line-height:1.5}.qr-section{padding:var(--spacing-2xl) 0;background:var(--bg-white);text-align:center}.qr-wrapper{max-width:300px;margin:0 auto;padding:var(--spacing-lg);background:var(--bg-light);border-radius:var(--radius-xl)}.qr-code{width:100%;max-width:200px;height:auto;display:block;margin:0 auto var(--spacing-md);border-radius:50%}.qr-title{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-xs)}.qr-hint{color:var(--text-muted);font-size:.875rem}.page-header{background:var(--gradient-header);color:#fff;padding:120px 0 60px;text-align:center}.page-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.page-subtitle{font-size:1.125rem;opacity:.95;max-width:700px;margin:0 auto}.page-date{opacity:.9;font-size:.875rem}@media (max-width:767px){.page-title{font-size:2rem}.page-subtitle{font-size:1rem}}.agreement-content,.policy-content{max-width:800px;margin:var(--spacing-2xl) auto;padding:0 var(--spacing-sm)}.agreement-content h2,.policy-content h2{font-size:1.75rem;font-weight:700;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-md);color:var(--text-primary);padding-bottom:var(--spacing-xs);border-bottom:2px solid var(--border-color)}.agreement-content h3,.policy-content h3{font-size:1.375rem;font-weight:600;margin-top:var(--spacing-md);margin-bottom:var(--spacing-sm);color:var(--text-primary)}.agreement-content h4,.policy-content h4{font-size:1.125rem;font-weight:600;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-xs);color:var(--text-secondary)}.agreement-content p,.policy-content p{margin-bottom:var(--spacing-xs);line-height:1.8;color:var(--text-secondary)}.agreement-content ol,.agreement-content ul,.policy-content ol,.policy-content ul{margin-bottom:var(--spacing-md);padding-left:var(--spacing-lg)}.agreement-content li,.policy-content li{margin-bottom:var(--spacing-xs);line-height:1.8;color:var(--text-secondary)}.agreement-content a,.policy-content a{color:var(--primary-color);text-decoration:none}.agreement-content a:hover,.policy-content a:hover{text-decoration:underline}.highlight-box{background:var(--bg-light);border-left:4px solid var(--primary-color);padding:var(--spacing-md);margin:var(--spacing-lg) 0;border-radius:var(--radius-md)}.highlight-box p{margin-bottom:0}.warning-box{background:#fef3c7;border-left:4px solid #f59e0b;padding:var(--spacing-md);margin:var(--spacing-lg) 0;border-radius:var(--radius-md)}.warning-box p{margin-bottom:0;color:#92400e}.info-box{background:var(--bg-light);border-left:4px solid var(--primary-color);padding:var(--spacing-md);margin:var(--spacing-lg) 0;border-radius:var(--radius-md)}.info-box p{margin-bottom:0}.important{font-weight:600;color:var(--text-primary)}.scenarios-section{padding:var(--spacing-2xl) 0}.scenarios-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-lg)}@media (min-width:768px){.scenarios-grid{grid-template-columns:repeat(2,1fr)}}.scenario-card{display:flex;gap:var(--spacing-md);align-items:flex-start}.scenario-icon{flex-shrink:0;width:56px;height:56px;background:var(--gradient-primary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff}.scenario-content h3{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-xs)}.scenario-content p{color:var(--text-secondary);line-height:1.6}.pricing-section{padding:var(--spacing-2xl) 0;background:var(--bg-white)}.pricing-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-lg);max-width:1000px;margin:0 auto}@media (min-width:768px){.pricing-grid{grid-template-columns:repeat(3,1fr)}}.pricing-card{text-align:center;position:relative}.pricing-card.featured{border:2px solid var(--primary-color);transform:scale(1.05)}.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gradient-primary);color:#fff;padding:.25rem 1rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600}.pricing-name{font-size:1.5rem;font-weight:700;margin-bottom:var(--spacing-xs)}.pricing-price{font-size:2.5rem;font-weight:700;color:var(--primary-color);margin-bottom:var(--spacing-md);display:flex;align-items:baseline;justify-content:center;gap:.5rem}.original-price{font-size:1.25rem;color:var(--text-muted);text-decoration:line-through;font-weight:400}.current-price{font-size:2.5rem;font-weight:700;color:var(--primary-color)}.current-price span,.price-unit{font-size:1rem;color:var(--text-muted);font-weight:400}.pricing-features{list-style:none;text-align:left;margin-bottom:var(--spacing-lg)}.pricing-features li{padding:var(--spacing-xs) 0;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:.5rem}.pricing-features li::before{content:'\2713';color:var(--primary-color);font-weight:700}.stats-section{padding:var(--spacing-2xl) 0}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}@media (min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}.stat-item{text-align:center}.stat-number{font-size:3rem;font-weight:700;color:var(--primary-color);margin-bottom:var(--spacing-xs)}.stat-label{color:var(--text-muted);font-size:.875rem}.contact-section{padding:var(--spacing-2xl) 0;background:var(--bg-white)}.contact-form{max-width:600px;margin:0 auto}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;margin-bottom:var(--spacing-xs);font-weight:500}.form-input,.form-textarea{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:var(--radius-md);font-family:inherit;font-size:1rem;transition:border-color var(--transition-fast)}.form-input:focus,.form-textarea:focus{outline:0;border-color:var(--primary-color)}.form-textarea{resize:vertical;min-height:120px}