@keyframes bubble-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}:root{--primary:#4f46e5;--primary-dark:#3730a3;--primary-light:#818cf8;--secondary:#0ea5e9;--accent:#10b981;--dark:#0f172a;--gray:#64748b;--light:#f8fafc;--gradient:linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);--shadow:0 4px 24px rgba(79, 70, 229, 0.12);--shadow-lg:0 12px 40px rgba(79, 70, 229, 0.18);--radius:16px}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--dark);overflow-x:hidden}.hkc-navbar{background:rgba(15,23,42,.95)!important;backdrop-filter:blur(12px);padding:12px 0;transition:all .3s}.hkc-navbar .navbar-brand{font-size:1.5rem;font-weight:700;color:#fff!important}.hkc-navbar .logo-icon{font-size:1.6rem;margin-right:4px}.hkc-navbar .nav-link{color:rgba(255,255,255,.8)!important;font-size:.9rem;padding:8px 14px!important;border-radius:8px;transition:all .2s}.hkc-navbar .nav-link.active,.hkc-navbar .nav-link:hover{color:#fff!important;background:rgba(255,255,255,.1)}.nav-cta{background:var(--gradient)!important;border-radius:8px!important;padding:8px 20px!important;color:#fff!important;font-weight:600}.nav-cta:hover{opacity:.9}.hero-wrap{position:relative;min-height:100vh;display:flex;align-items:center;background:var(--dark);overflow:hidden;padding-top:80px}.hero-wrap .overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(79,70,229,.3)0,transparent 60%),radial-gradient(ellipse at 70% 50%,rgba(14,165,233,.2)0,transparent 60%)}.slider-text h1{font-size:2.2rem;font-weight:800;color:#fff;line-height:1.4}.footer-links a:hover,.text-highlight{color:var(--primary-light)}.typewrite{display:inline-block;color:var(--secondary);border-bottom:3px solid var(--secondary);width:6.5em;min-height:1.4em;line-height:1.4;vertical-align:baseline}.hero-desc{color:rgba(255,255,255,.7);font-size:1.1rem;line-height:1.7}.hero-carousel-wrap{position:relative;z-index:2}.section-padding{padding:100px 0}.section-title{font-size:2.2rem;font-weight:800;margin-bottom:16px;position:relative}.section-title::after{content:"";display:block;width:60px;height:4px;background:var(--gradient);border-radius:2px;margin:16px auto 0}.industry-card p,.section-subtitle{color:var(--gray);font-size:1.1rem}.stats-section{background:var(--primary);padding:60px 0;color:#fff}.stat-number{font-size:2.8rem;font-weight:800;line-height:1.2}.stat-label{font-size:1rem;opacity:.85}.feature-card,.industry-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);transition:all .3s}.industry-card{padding:36px 28px;text-align:center;height:100%}.industry-card.active,.industry-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.industry-card.active{border:2px solid var(--primary)}.industry-card .icon{font-size:3rem;margin-bottom:16px}.industry-card h4{font-size:1.2rem;font-weight:700;margin-bottom:12px}.industry-card p{font-size:.92rem;line-height:1.6}.feature-card{padding:48px 40px;margin-bottom:28px}.feature-card:hover{box-shadow:var(--shadow-lg)}.feature-card h3{font-size:1.5rem}.feature-num{color:var(--primary);margin-right:4px}.feature-desc{font-size:1.05rem;color:var(--gray);margin-bottom:20px}.feature-list{list-style:none;padding:0;margin:0}.feature-list li{padding:8px 0;font-size:1rem;color:var(--dark)}.check-icon,.feature-img-placeholder{align-items:center;justify-content:center}.check-icon{display:inline-flex;width:22px;height:22px;background:var(--accent);color:#fff;border-radius:50%;font-size:.75rem;margin-right:10px;font-weight:700}.feature-img-placeholder{background:linear-gradient(135deg,#eef2ff 0,#e0e7ff 100%);border-radius:12px;height:260px;display:flex;margin-bottom:24px}.placeholder-icon{font-size:5rem;opacity:.6}.api-grid .api-item{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:18px 12px;text-align:center;font-weight:600;font-size:.92rem;transition:all .2s}.api-grid .api-item:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--shadow)}.api-grid .more-api{color:var(--gray);font-style:italic}.advantage-card{background:#fff;border-radius:var(--radius);padding:40px 28px;box-shadow:var(--shadow);transition:all .3s;height:100%}.advantage-card:hover,.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.advantage-icon{font-size:3rem;margin-bottom:16px}.advantage-card h4,.feature-card h3{font-weight:700;margin-bottom:12px}.advantage-card p{color:var(--gray);font-size:.95rem;line-height:1.7}.pricing-notice{text-align:center;margin-bottom:32px}.pricing-notice p,.pricing-notice-inner p{background:#fef2f2;color:#dc2626;font-weight:600}.pricing-notice p{display:inline-block;padding:8px 24px;border-radius:8px;font-size:.95rem}.pricing-card{background:#fff;border-radius:var(--radius);padding:40px 32px;box-shadow:var(--shadow);transition:all .3s;position:relative;height:100%}.pricing-card:hover{transform:translateY(-6px)}.pricing-card.recommended{border:2px solid var(--primary);transform:scale(1.03)}.pricing-card.recommended:hover{transform:scale(1.03) translateY(-6px)}.badge-recommended{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#fff;padding:4px 20px;border-radius:20px;font-size:.8rem;font-weight:700;white-space:nowrap}.pricing-header h4{font-weight:700;margin-bottom:8px}.price-group{margin:8px 0}.price,.price-year{font-size:2.6rem;font-weight:800;color:var(--primary);margin-bottom:4px}.price-year{font-size:2rem;color:var(--primary-dark)}.price .currency,.price-year .currency{font-size:1.2rem;vertical-align:super}.price .period,.price-tip,.price-year .period{font-size:.95rem;color:var(--gray);font-weight:400}.price-tip{color:var(--accent);font-weight:600;margin-top:4px}.price-daily{font-size:.95rem;color:#e53935;font-weight:700;margin-top:2px}.price-renewal{font-size:1.1rem;color:var(--primary);font-weight:700}.pricing-features{list-style:none;padding:0;margin:24px 0}.pricing-features li{padding:10px 0;border-bottom:1px solid #f1f5f9;font-size:.95rem}.pricing-features li.disabled{color:#cbd5e1}.renewal-list li{display:flex;align-items:center;gap:8px}.month-badge{display:inline-flex;align-items:center;justify-content:center;min-width:52px;background:var(--primary);color:#fff;font-size:.78rem;font-weight:700;padding:2px 10px;border-radius:6px}.month-badge.faded{background:#e2e8f0;color:#94a3b8}.pricing-notice-inner{margin-bottom:16px}.pricing-notice-inner p{padding:6px 16px;border-radius:6px;font-size:.85rem;text-align:center}.server-card{max-width:520px;margin:0 auto}.server-subtitle{font-size:1rem;color:var(--gray);font-weight:600;margin-top:-8px}.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;padding:20px 24px;box-shadow:0 2px 8px rgba(0,0,0,.04);cursor:pointer;transition:all .2s}.faq-item:hover{box-shadow:var(--shadow)}.faq-question{font-weight:700;font-size:1.05rem;position:relative;padding-right:24px}.faq-question::after{content:"+";position:absolute;right:0;top:0;font-size:1.3rem;color:var(--primary);transition:transform .2s}.faq-item.open .faq-question::after{content:"−"}.faq-answer{color:var(--gray);padding-top:12px;display:none;line-height:1.7}.faq-item.open .faq-answer{display:block}.contact-section{background:var(--dark)}.contact-card{background:rgba(255,255,255,.06);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:48px 32px}.contact-item{margin-bottom:28px}.contact-item:last-child{margin-bottom:0}.contact-icon{font-size:2.2rem;margin-bottom:8px}.contact-item h5{color:#fff;font-weight:700}.contact-item p{color:rgba(255,255,255,.7)}.contact-item{cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative}.contact-item:hover{transform:translateY(-2px)}.contact-bubble{position:absolute;top:-8px;right:60px;background:#ff4757;color:#fff;font-size:.75rem;font-weight:600;padding:3px 10px;border-radius:20px;white-space:nowrap;animation:bubble-bounce 1.2s ease-in-out infinite;box-shadow:0 2px 8px rgba(255,71,87,.4);pointer-events:none;z-index:2}.contact-bubble::after{content:"";position:absolute;bottom:-4px;left:20px;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid #ff4757}.contact-modal .modal-content{background:#fff;border:0;border-radius:16px;padding:40px 32px 32px;position:relative}.contact-modal .close{position:absolute;top:12px;right:16px;font-size:1.6rem;font-weight:300;color:#999;opacity:1;z-index:1}.contact-modal-icon{font-size:3rem;margin-bottom:12px}.contact-modal .modal-body h4{font-weight:700;color:#1a2332;letter-spacing:1px}.contact-modal-actions{display:flex;gap:12px;justify-content:center}.btn-contact{flex:1;max-width:180px;display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 16px;border-radius:12px;border:1.5px solid #e5e9ef;background:#f8f9fb;color:#1a2332;font-size:.95rem;font-weight:600;transition:all .2s}.btn-contact .btn-icon{font-size:1.8rem}.btn-contact:hover{background:#fff;border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,102,255,.12)}.contact-modal-toast{margin-top:16px;padding:8px 16px;background:#e8f5e9;color:#2e7d32;border-radius:8px;font-size:.85rem;opacity:0;transition:opacity .3s;pointer-events:none}.contact-modal-toast.show{opacity:1}.footer{background:#0b1120;color:rgba(255,255,255,.7);padding:60px 0 30px}.footer h5,.footer-logo{color:#fff;font-weight:700}.footer-logo{font-size:1.5rem;margin-bottom:12px}.footer-desc{font-size:.95rem;line-height:1.7}.footer h5{margin-bottom:16px}.footer-links{list-style:none;padding:0}.footer-links li{margin-bottom:8px}.footer-icp a,.footer-links a{color:rgba(255,255,255,.6);text-decoration:none;transition:color .2s}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;margin-top:40px;text-align:center;font-size:.88rem}.footer-icp{margin-top:8px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.footer-icp a{color:rgba(255,255,255,.5)}.footer-icp a:hover{color:rgba(255,255,255,.8)}.footer-icp .sep{color:rgba(255,255,255,.2)}.beian-link{display:inline-flex;align-items:center;gap:4px}.beian-link img{width:16px;height:16px}.bg-light{background:var(--light)}.btn-outline-primary,.btn-primary{border-radius:10px!important;font-weight:600!important;transition:all .3s!important}.btn-primary{background:var(--gradient)!important;border:0!important}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-outline-primary{border:2px solid var(--primary)!important;color:var(--primary)!important}.btn-outline-primary:hover{background:var(--gradient)!important;color:#fff!important;border-color:transparent!important}.hero-mockup{padding:20px}.mockup-browser{background:#1e293b;border-radius:16px;overflow:hidden;box-shadow:0 25px 60px rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.08)}.mockup-bar{background:#0f172a;padding:14px 20px;display:flex;gap:8px}.mockup-bar span{width:10px;height:10px;border-radius:50%;background:#ef4444}.mockup-bar span:nth-child(2){background:#f59e0b}.mockup-bar span:nth-child(3){background:#10b981}.mockup-content{display:flex;min-height:320px}.mockup-sidebar{width:60px;background:#1a2332;padding:16px 10px;display:flex;flex-direction:column;gap:12px}.mockup-menu-item{height:32px;background:rgba(255,255,255,.06);border-radius:8px}.mockup-menu-item.active{background:rgba(79,70,229,.4)}.mockup-main{flex:1;padding:20px}.mockup-stat-row{display:flex;gap:12px;margin-bottom:16px}.mockup-stat{flex:1;height:60px;background:rgba(255,255,255,.05);border-radius:10px}.mockup-chart{height:100px;background:rgba(255,255,255,.04);border-radius:10px;margin-bottom:16px;position:relative;overflow:hidden}.mockup-chart::after{content:"";position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(180deg,transparent,rgba(79,70,229,.2));clip-path:polygon(0 100%,5% 70%,15% 80%,25% 40%,35% 55%,45% 25%,55% 35%,65% 10%,75% 20%,85% 5%,92% 15%,100% 30%,100% 100%)}.mockup-table{display:flex;flex-direction:column;gap:8px}.mockup-table-row{height:24px;background:rgba(255,255,255,.04);border-radius:6px}.mockup-table-row:nth-child(2){width:85%}.mockup-table-row:nth-child(3){width:70%}.ftco-animate{opacity:0;transform:translateY(30px);transition:all .6s ease}.ftco-animate.fadeInUp{opacity:1;transform:translateY(0)}.wx-promo-img .wx-placeholder{background:linear-gradient(135deg,#eef2ff,#dbeafe);border-radius:16px;padding:60px 20px;font-size:1.3rem;color:var(--gray);font-weight:600}@media (max-width:768px){.slider-text h1{font-size:1.5rem}.section-title{font-size:1.6rem}.feature-card{padding:28px 20px}.pricing-card.recommended{transform:none}.pricing-card.recommended:hover{transform:translateY(-6px)}.stat-number{font-size:2rem}.hero-wrap{min-height:auto;padding:120px 0 60px}}