:root{--primary-orange:#ff6b00;--primary-navy:#0a1628;--orange-light:#ff8c33;--orange-dark:#e55a00;--orange-glow:#ff6b0026;--orange-gradient:linear-gradient(135deg, #ff6b00, #ff8c33);--orange-gradient-hover:linear-gradient(135deg, #e55a00, #ff6b00);--navy-medium:#1b2d4a;--navy-light:#2a4066;--navy-lighter:#3a5580;--navy-gradient:linear-gradient(135deg, #0a1628, #1b2d4a);--navy-overlay:#0a1628d9;--white:#fff;--off-white:#fafbfc;--light-gray:#f5f6f8;--medium-gray:#e0e3e8;--border-gray:#d1d5db;--text-gray:#6b7280;--text-dark:#1a1a2e;--success:#10b981;--success-light:#d1fae5;--error:#ef4444;--error-light:#fee2e2;--warning:#f59e0b;--info:#3b82f6;--font-primary:"Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;--font-heading:"Inter", "Noto Sans SC", system-ui, sans-serif;--font-chinese:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;--fs-xs:.75rem;--fs-sm:.875rem;--fs-base:1rem;--fs-md:1.125rem;--fs-lg:1.25rem;--fs-xl:1.5rem;--fs-2xl:1.875rem;--fs-3xl:2.25rem;--fs-4xl:3rem;--fs-5xl:3.75rem;--fs-hero:clamp(2.5rem, 5vw, 4.5rem);--fw-normal:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--fw-extrabold:800;--fw-black:900;--lh-tight:1.2;--lh-normal:1.5;--lh-relaxed:1.7;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:6rem;--space-5xl:8rem;--container-max:1280px;--container-padding:1.5rem;--header-height:80px;--header-height-scrolled:64px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:24px;--radius-full:9999px;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 30px #0000001f;--shadow-xl:0 16px 48px #00000026;--shadow-orange:0 4px 20px #ff6b004d;--shadow-navy:0 4px 20px #0a16284d;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--transition-fast:.15s var(--ease-out);--transition-base:.3s var(--ease-out);--transition-slow:.5s var(--ease-out);--z-dropdown:100;--z-sticky:200;--z-fixed:300;--z-modal-bg:400;--z-modal:500;--z-floating:600;--z-toast:700}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--font-primary);font-size:var(--fs-base);font-weight:var(--fw-normal);line-height:var(--lh-normal);color:var(--text-dark);background-color:var(--white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}html[lang=zh-CN] body,html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3,html[lang=zh-CN] h4,html[lang=zh-CN] h5,html[lang=zh-CN] h6,html[lang=zh-CN] p,html[lang=zh-CN] a,html[lang=zh-CN] span,html[lang=zh-CN] li,html[lang=zh-CN] label,html[lang=zh-CN] input,html[lang=zh-CN] select,html[lang=zh-CN] textarea,html[lang=zh-CN] button{font-family:var(--font-chinese)}img,video{max-width:100%;height:auto;display:block}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--primary-orange)}ul,ol{list-style:none}button,input,select,textarea{font-family:inherit;font-size:inherit;background:0 0;border:none;outline:none}button{cursor:pointer}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:var(--fw-bold);line-height:var(--lh-tight);color:var(--text-dark)}h1{font-size:var(--fs-hero);font-weight:var(--fw-black);letter-spacing:-.02em}h2{font-size:clamp(1.875rem,3.5vw,2.75rem);font-weight:var(--fw-extrabold);letter-spacing:-.01em}h3{font-size:var(--fs-xl);font-weight:var(--fw-bold)}h4{font-size:var(--fs-lg);font-weight:var(--fw-semibold)}h5{font-size:var(--fs-md);font-weight:var(--fw-semibold)}h6{font-size:var(--fs-base);font-weight:var(--fw-semibold)}p{margin-bottom:var(--space-md);line-height:var(--lh-relaxed);color:var(--text-gray)}p:last-child{margin-bottom:0}strong,b{font-weight:var(--fw-bold)}.section{padding:var(--space-4xl) 0;position:relative}.section--gray{background-color:var(--light-gray)}.section--navy{background-color:var(--primary-navy);color:var(--white)}.section--navy p{color:#ffffffbf}.section--navy h2,.section--navy h3,.section--navy h4{color:var(--white)}.section-header{text-align:center;max-width:700px;margin:0 auto var(--space-3xl)}.section-header .overline{align-items:center;gap:var(--space-sm);font-size:var(--fs-sm);font-weight:var(--fw-bold);color:var(--primary-orange);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-md);display:inline-flex}.section-header .overline:before,.section-header .overline:after{content:"";background:var(--primary-orange);width:24px;height:2px}.section-header h2{margin-bottom:var(--space-lg)}.section-header p{font-size:var(--fs-md);max-width:600px;margin-left:auto;margin-right:auto}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-orange{color:var(--primary-orange)}.text-navy{color:var(--primary-navy)}.text-white{color:var(--white)}.text-gray{color:var(--text-gray)}.fw-normal{font-weight:var(--fw-normal)}.fw-medium{font-weight:var(--fw-medium)}.fw-semibold{font-weight:var(--fw-semibold)}.fw-bold{font-weight:var(--fw-bold)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.mb-2xl{margin-bottom:var(--space-2xl)}.mt-0{margin-top:0}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.divider{background:var(--orange-gradient);border-radius:var(--radius-full);width:60px;height:4px;margin:var(--space-lg) 0}.divider--center{margin-left:auto;margin-right:auto}.accent-line{position:relative}.accent-line:after{content:"";background:var(--orange-gradient);border-radius:var(--radius-full);width:50px;height:3px;position:absolute;bottom:-8px;left:0}::selection{background:var(--primary-orange);color:var(--white)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--light-gray)}::-webkit-scrollbar-thumb{background:var(--navy-light);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--primary-navy)}.btn{justify-content:center;align-items:center;gap:var(--space-sm);font-family:var(--font-primary);font-size:var(--fs-base);font-weight:var(--fw-semibold);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);white-space:nowrap;border:2px solid #0000;padding:.75rem 1.75rem;line-height:1;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.btn:before{content:"";width:100%;height:100%;transition:left .5s var(--ease-out);background:linear-gradient(90deg,#0000,#ffffff26,#0000);position:absolute;top:0;left:-100%}.btn:hover:before{left:100%}.btn-primary{background:var(--orange-gradient);color:var(--white);box-shadow:var(--shadow-orange)}.btn-primary:hover{background:var(--orange-gradient-hover);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 28px #ff6b0066}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--navy-gradient);color:var(--white);box-shadow:var(--shadow-navy)}.btn-secondary:hover{color:var(--white);transform:translateY(-2px);box-shadow:0 8px 28px #0a162866}.btn-outline{color:var(--primary-orange);border-color:var(--primary-orange);background:0 0}.btn-outline:hover{background:var(--primary-orange);color:var(--white);transform:translateY(-2px)}.btn-outline-white{color:var(--white);border-color:var(--white);background:0 0}.btn-outline-white:hover{background:var(--white);color:var(--primary-navy);transform:translateY(-2px)}.btn-lg{font-size:var(--fs-md);border-radius:var(--radius-lg);padding:1rem 2.25rem}.btn-sm{font-size:var(--fs-sm);padding:.5rem 1.25rem}.btn-icon{border-radius:var(--radius-full);width:48px;height:48px;font-size:var(--fs-lg);padding:0}.btn-group{gap:var(--space-md);flex-wrap:wrap;display:flex}.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--medium-gray);transition:all var(--transition-base);position:relative;overflow:hidden}.card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-orange);transform:translateY(-6px)}.card-image{object-fit:cover;width:100%;height:220px;transition:transform var(--transition-slow)}.card:hover .card-image{transform:scale(1.05)}.card-image-wrapper{position:relative;overflow:hidden}.card-body{padding:var(--space-xl)}.card-title{font-size:var(--fs-lg);font-weight:var(--fw-bold);margin-bottom:var(--space-sm);color:var(--text-dark);transition:color var(--transition-fast)}.card:hover .card-title{color:var(--primary-orange)}.card-text{color:var(--text-gray);font-size:var(--fs-sm);line-height:var(--lh-relaxed);margin-bottom:var(--space-lg)}.card-meta{align-items:center;gap:var(--space-md);font-size:var(--fs-xs);color:var(--text-gray);display:flex}.card-meta span{align-items:center;gap:var(--space-xs);display:flex}.card--icon{text-align:center;padding:var(--space-2xl) var(--space-xl)}.card--icon .card-icon{background:var(--orange-glow);width:72px;height:72px;color:var(--primary-orange);border-radius:var(--radius-lg);margin:0 auto var(--space-lg);transition:all var(--transition-base);justify-content:center;align-items:center;font-size:2rem;display:flex}.card--icon:hover .card-icon{background:var(--orange-gradient);color:var(--white);transform:scale(1.1)}.card--featured{border:2px solid var(--primary-orange);position:relative}.card--featured:before{content:"";background:var(--orange-gradient);height:4px;position:absolute;top:0;left:0;right:0}.badge{align-items:center;gap:var(--space-xs);font-size:var(--fs-xs);font-weight:var(--fw-bold);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;padding:.25rem .75rem;display:inline-flex}.badge-primary{background:var(--orange-glow);color:var(--primary-orange)}.badge-navy{color:var(--primary-navy);background:#0a16281a}.badge-success{background:var(--success-light);color:var(--success)}.badge-featured{background:var(--orange-gradient);color:var(--white);font-size:var(--fs-xs);padding:.375rem 1rem}.form-group{margin-bottom:var(--space-lg)}.form-label{font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text-dark);margin-bottom:var(--space-sm);display:block}.form-label .required{color:var(--error);margin-left:2px}.form-input,.form-select,.form-textarea{width:100%;font-size:var(--fs-base);color:var(--text-dark);background:var(--white);border:2px solid var(--medium-gray);border-radius:var(--radius-md);transition:all var(--transition-fast);padding:.875rem 1rem}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary-orange);box-shadow:0 0 0 4px var(--orange-glow)}.form-input::placeholder,.form-textarea::placeholder{color:var(--border-gray)}.form-textarea{resize:vertical;min-height:120px}.form-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%236B7280'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;padding-right:2.5rem}.form-error{font-size:var(--fs-xs);color:var(--error);margin-top:var(--space-xs);display:none}.form-group.error .form-input,.form-group.error .form-select,.form-group.error .form-textarea{border-color:var(--error);box-shadow:0 0 0 4px var(--error-light)}.form-group.error .form-error{display:block}.form-success{padding:var(--space-lg);background:var(--success-light);color:var(--success);border-radius:var(--radius-md);text-align:center;font-weight:var(--fw-semibold);display:none}.form-success.show{display:block}.form-file{position:relative}.form-file input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.form-file-label{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-xl);border:2px dashed var(--medium-gray);border-radius:var(--radius-md);color:var(--text-gray);text-align:center;transition:all var(--transition-fast);cursor:pointer;display:flex}.form-file-label:hover,.form-file.dragover .form-file-label{border-color:var(--primary-orange);background:var(--orange-glow);color:var(--primary-orange)}.form-file-name{font-size:var(--fs-sm);color:var(--primary-orange);margin-top:var(--space-sm)}.process-steps{gap:var(--space-xl);flex-direction:column;padding-left:3rem;display:flex;position:relative}.process-steps:before{content:"";background:var(--medium-gray);width:2px;position:absolute;top:0;bottom:0;left:1rem}.process-step{position:relative}.process-step-number{background:var(--orange-gradient);width:2rem;height:2rem;color:var(--white);font-size:var(--fs-sm);font-weight:var(--fw-bold);border-radius:var(--radius-full);z-index:1;justify-content:center;align-items:center;display:flex;position:absolute;top:0;left:-3rem}.process-step h4{margin-bottom:var(--space-sm)}.process-step p{font-size:var(--fs-sm)}.tag{font-size:var(--fs-xs);font-weight:var(--fw-medium);color:var(--primary-orange);background:var(--orange-glow);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:.25rem .625rem;display:inline-block}.tag:hover{background:var(--primary-orange);color:var(--white)}.pagination{justify-content:center;gap:var(--space-sm);margin-top:var(--space-3xl);display:flex}.pagination a,.pagination span{border-radius:var(--radius-md);width:40px;height:40px;font-weight:var(--fw-semibold);font-size:var(--fs-sm);border:1px solid var(--medium-gray);transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.pagination a:hover,.pagination .active{background:var(--primary-orange);color:var(--white);border-color:var(--primary-orange)}.testimonial{background:var(--white);padding:var(--space-2xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);position:relative}.testimonial:before{content:"\"";top:var(--space-md);left:var(--space-xl);font-size:4rem;font-weight:var(--fw-black);color:var(--orange-glow);font-family:Georgia,serif;line-height:1;position:absolute}.testimonial-text{font-style:italic;font-size:var(--fs-md);color:var(--text-dark);margin-bottom:var(--space-lg);line-height:var(--lh-relaxed)}.testimonial-author{align-items:center;gap:var(--space-md);display:flex}.testimonial-avatar{border-radius:var(--radius-full);object-fit:cover;border:2px solid var(--primary-orange);width:48px;height:48px}.testimonial-name{font-weight:var(--fw-bold);color:var(--text-dark)}.testimonial-role{font-size:var(--fs-sm);color:var(--text-gray)}.container{width:100%;max-width:var(--container-max);padding:0 var(--container-padding);margin:0 auto}.container-sm{max-width:960px}.container-lg{max-width:1440px}.grid{gap:var(--space-xl);display:grid}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-6{grid-template-columns:repeat(6,1fr)}.flex{display:flex}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.site-header{z-index:var(--z-sticky);-webkit-backdrop-filter:blur(12px);height:var(--header-height);transition:all var(--transition-base);background:#0a1628f2;border-bottom:1px solid #ffffff14;position:fixed;top:0;left:0;right:0}.site-header.scrolled{height:var(--header-height-scrolled);box-shadow:var(--shadow-lg);background:#0a1628fa}.header-inner{justify-content:space-between;align-items:center;gap:var(--space-xl);height:100%;display:flex}.header-logo{flex-shrink:0}.header-logo img{width:auto;height:52px;transition:height var(--transition-base)}.site-header.scrolled .header-logo img{height:40px}.main-nav{flex:1;justify-content:center;display:flex}.nav-list{align-items:center;gap:var(--space-xs);display:flex}.nav-item{position:relative}.nav-link{font-size:var(--fs-sm);font-weight:var(--fw-medium);color:#fffc;border-radius:var(--radius-md);transition:all var(--transition-fast);white-space:nowrap;align-items:center;gap:4px;padding:.625rem 1rem;display:flex}.nav-link:hover,.nav-link.active{color:var(--white);background:#ffffff14}.nav-link.active{color:var(--primary-orange)}.nav-link .nav-arrow{transition:transform var(--transition-fast);font-size:10px}.nav-item:hover .nav-arrow{transform:rotate(180deg)}.nav-dropdown{background:var(--white);border-radius:var(--radius-lg);min-width:240px;box-shadow:var(--shadow-xl);padding:var(--space-sm);opacity:0;visibility:hidden;transition:all var(--transition-fast);border:1px solid var(--medium-gray);position:absolute;top:100%;left:50%;transform:translate(-50%)translateY(8px)}.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translate(-50%)translateY(0)}.nav-dropdown a{align-items:center;gap:var(--space-sm);font-size:var(--fs-sm);color:var(--text-dark);border-radius:var(--radius-md);transition:all var(--transition-fast);padding:.75rem 1rem;display:flex}.nav-dropdown a:hover{background:var(--orange-glow);color:var(--primary-orange)}.nav-dropdown a .dropdown-icon{background:var(--light-gray);border-radius:var(--radius-sm);width:32px;height:32px;font-size:var(--fs-sm);flex-shrink:0;justify-content:center;align-items:center;display:flex}.nav-dropdown a:hover .dropdown-icon{background:var(--orange-glow)}.header-actions{align-items:center;gap:var(--space-md);flex-shrink:0;display:flex}.lang-switcher{border-radius:var(--radius-full);background:#ffffff14;align-items:center;gap:2px;padding:3px;display:flex}.lang-btn{font-size:var(--fs-xs);font-weight:var(--fw-semibold);color:#fff9;border-radius:var(--radius-full);transition:all var(--transition-fast);cursor:pointer;background:0 0;border:none;padding:6px 10px}.lang-btn:hover{color:var(--white)}.lang-btn.active{background:var(--primary-orange);color:var(--white)}.header-cta{align-items:center;gap:var(--space-sm);background:var(--orange-gradient);color:var(--white);font-size:var(--fs-sm);font-weight:var(--fw-semibold);border-radius:var(--radius-full);transition:all var(--transition-fast);white-space:nowrap;padding:.5rem 1.25rem;display:flex}.header-cta:hover{color:var(--white);box-shadow:var(--shadow-orange);transform:translateY(-1px)}.mobile-menu-btn{width:44px;height:44px;color:var(--white);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:none}.hamburger{flex-direction:column;justify-content:space-between;width:24px;height:18px;display:flex;position:relative}.hamburger span{background:var(--white);width:100%;height:2px;transition:all var(--transition-fast);transform-origin:50%;border-radius:2px;display:block}.mobile-menu-btn.active .hamburger span:first-child{transform:translateY(8px)rotate(45deg)}.mobile-menu-btn.active .hamburger span:nth-child(2){opacity:0;transform:scaleX(0)}.mobile-menu-btn.active .hamburger span:nth-child(3){transform:translateY(-8px)rotate(-45deg)}.mobile-menu{top:var(--header-height);background:var(--primary-navy);z-index:var(--z-fixed);padding:var(--space-xl);transition:transform var(--transition-base);display:none;position:fixed;bottom:0;left:0;right:0;overflow-y:auto;transform:translate(100%)}.mobile-menu.open{transform:translate(0)}.mobile-nav-list{gap:var(--space-xs);flex-direction:column;display:flex}.mobile-nav-link{font-size:var(--fs-md);font-weight:var(--fw-medium);color:#ffffffd9;border-radius:var(--radius-md);transition:all var(--transition-fast);justify-content:space-between;align-items:center;padding:1rem;display:flex}.mobile-nav-link:hover,.mobile-nav-link.active{color:var(--primary-orange);background:#ffffff14}.mobile-dropdown{padding-left:var(--space-lg);display:none}.mobile-dropdown.open{display:block}.mobile-dropdown a{font-size:var(--fs-sm);color:#ffffffa6;border-radius:var(--radius-md);padding:.75rem 1rem;display:block}.mobile-dropdown a:hover{color:var(--primary-orange);background:#ffffff0d}.mobile-menu-lang{gap:var(--space-sm);margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:1px solid 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