:root{--primary-blue: #1a6bbd;--primary-blue-hover: #15579b;--primary-blue-light: #eff6ff;--accent-green: #56b443;--accent-green-hover: #489b37;--accent-green-light: #f0fdf4;--bg-white: #ffffff;--bg-light: #f8fafc;--bg-card: #ffffff;--bg-subtle: #f1f5f9;--border-color: #e2e8f0;--border-blue: rgba(26, 107, 189, .2);--border-green: rgba(86, 180, 67, .3);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--font-sans: "Plus Jakarta Sans", "Noto Sans SC", sans-serif;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 10px 30px rgba(26, 107, 189, .08);--shadow-green: 0 8px 25px rgba(86, 180, 67, .25);--transition: all .25s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-family:var(--font-sans);background-color:var(--bg-white);color:var(--text-primary);line-height:1.6}body{overflow-x:hidden;background-color:var(--bg-white)}h1,h2,h3{font-family:var(--font-sans);letter-spacing:-.02em;color:var(--text-primary)}a{color:inherit;text-decoration:none}button{font-family:var(--font-sans);cursor:pointer;border:none;outline:none}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.top-notice-bar{background:var(--primary-blue);color:#fff;padding:.75rem 1.5rem;font-size:.88rem;text-align:center;position:relative;z-index:100}.top-notice-content{display:flex;align-items:center;justify-content:center;gap:.75rem;flex-wrap:wrap}.notice-badge{background:var(--accent-green);color:#fff;padding:.2rem .65rem;border-radius:999px;font-size:.75rem;font-weight:700}.notice-link{color:#fff;font-weight:700;display:inline-flex;align-items:center;gap:.35rem;text-decoration:underline;transition:var(--transition)}.notice-link:hover{opacity:.9}.navbar{position:sticky;top:0;z-index:90;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:1.1rem 0;box-shadow:var(--shadow-sm)}.nav-container{display:flex;align-items:center;justify-content:space-between}.brand-logo{display:flex;align-items:center;gap:.85rem}.brand-icon-box{width:44px;height:44px;border-radius:var(--radius-sm);background:var(--primary-blue);display:flex;align-items:center;justify-content:center;color:#fff}.brand-text-main{font-size:1.4rem;font-weight:800;color:var(--primary-blue);line-height:1.1}.brand-text-sub{font-size:.78rem;color:var(--text-secondary);font-weight:600}.nav-controls{display:flex;align-items:center;gap:1rem}.lang-btn{background:var(--bg-subtle);border:1px solid var(--border-color);color:var(--primary-blue);padding:.5rem .9rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:700;display:flex;align-items:center;gap:.4rem;transition:var(--transition)}.lang-btn:hover{background:#e2e8f0}.main-site-btn{background:var(--accent-green);color:#fff;padding:.55rem 1.1rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:700;display:flex;align-items:center;gap:.4rem;box-shadow:var(--shadow-green);transition:var(--transition)}.main-site-btn:hover{background:var(--accent-green-hover);transform:translateY(-1px)}.hero-section{padding:4.5rem 0 3.5rem;background:linear-gradient(180deg,#f0f6ff,#fff);border-bottom:1px solid var(--border-color)}.hero-content{text-align:center;max-width:900px;margin:0 auto}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent-green-light);border:1px solid var(--accent-green);color:var(--accent-green-hover);padding:.4rem 1rem;border-radius:999px;font-size:.82rem;font-weight:800;margin-bottom:1.25rem}.hero-title{font-size:clamp(2.2rem,4.5vw,3.4rem);font-weight:800;line-height:1.2;margin-bottom:1.25rem;color:var(--text-primary)}.hero-title .highlight{color:var(--primary-blue);display:inline-block}.hero-subtitle{font-size:1.1rem;color:var(--text-secondary);max-width:780px;margin:0 auto 1.75rem;line-height:1.7}.hero-slogan-box{background:#fff;border:2px solid var(--primary-blue);color:var(--primary-blue);padding:.85rem 1.75rem;border-radius:var(--radius-md);display:inline-block;margin-bottom:2.25rem;font-weight:800;font-size:1.1rem;box-shadow:var(--shadow-sm)}.hero-actions{display:flex;align-items:center;justify-content:center;gap:1.25rem;flex-wrap:wrap}.btn-primary{background:var(--accent-green);color:#fff;font-weight:800;padding:.85rem 2rem;border-radius:var(--radius-sm);font-size:1rem;display:flex;align-items:center;gap:.6rem;box-shadow:var(--shadow-green);transition:var(--transition)}.btn-primary:hover{background:var(--accent-green-hover);transform:translateY(-2px)}.btn-secondary{background:#fff;border:1.5px solid var(--primary-blue);color:var(--primary-blue);font-weight:700;padding:.85rem 1.75rem;border-radius:var(--radius-sm);font-size:1rem;display:flex;align-items:center;gap:.6rem;transition:var(--transition)}.btn-secondary:hover{background:var(--primary-blue-light)}.brand-story-section{padding:4.5rem 0;background:#fff}.section-header{text-align:center;max-width:700px;margin:0 auto 3rem}.section-title{font-size:2.1rem;font-weight:800;color:var(--primary-blue);margin-bottom:.5rem}.section-subtitle{font-size:1.05rem;color:var(--accent-green);font-weight:700}.brand-story-desc{text-align:center;max-width:800px;margin:0 auto 2.5rem;color:var(--text-secondary);font-size:1.05rem;line-height:1.8}.taxfs-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}.taxfs-card{background:#fff;border:2px solid var(--border-color);border-radius:var(--radius-lg);padding:2.25rem;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}.taxfs-card:hover{transform:translateY(-4px);border-color:var(--primary-blue);box-shadow:var(--shadow-md)}.taxfs-card.gold-style:hover{border-color:var(--accent-green)}.taxfs-card-letter{position:absolute;top:-10px;right:15px;font-size:5rem;font-weight:900;color:#1a6bbd0f;-webkit-user-select:none;user-select:none}.taxfs-card-icon{width:52px;height:52px;border-radius:var(--radius-sm);background:var(--primary-blue-light);display:flex;align-items:center;justify-content:center;color:var(--primary-blue);margin-bottom:1.25rem}.taxfs-card.gold-style .taxfs-card-icon{background:var(--accent-green-light);color:var(--accent-green)}.taxfs-card-title{font-size:1.3rem;font-weight:800;color:var(--text-primary);margin-bottom:.75rem}.taxfs-card-desc{color:var(--text-secondary);font-size:.98rem;line-height:1.7}.services-section{padding:4.5rem 0;background:var(--bg-light);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.services-wrapper{display:grid;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));gap:2rem}@media (max-width: 560px){.services-wrapper{grid-template-columns:1fr}}.service-box{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2.25rem;box-shadow:var(--shadow-sm)}.service-box-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:2px solid var(--bg-subtle)}.service-box-title{font-size:1.3rem;font-weight:800;color:var(--primary-blue)}.service-list{list-style:none;display:flex;flex-direction:column;gap:.9rem}.service-item{display:flex;align-items:flex-start;gap:.75rem;color:var(--text-secondary);font-size:.95rem;line-height:1.6}.service-item-icon{color:var(--accent-green);flex-shrink:0;margin-top:3px}.founder-section{padding:4.5rem 0;background:#fff}.founder-card{background:linear-gradient(135deg,#f8fafc,#eff6ff);border:2px solid var(--border-blue);border-radius:var(--radius-lg);padding:3rem;display:grid;grid-template-columns:1.3fr 1fr;gap:3rem;align-items:center;box-shadow:var(--shadow-md)}@media (max-width: 900px){.founder-card{grid-template-columns:1fr;gap:2rem;padding:2rem}}.founder-name{font-size:2.2rem;font-weight:800;color:var(--primary-blue);margin-bottom:.25rem}.founder-role{color:var(--accent-green);font-weight:700;font-size:1.05rem;margin-bottom:1.25rem}.founder-bio{color:var(--text-secondary);font-size:1rem;line-height:1.8;margin-bottom:1.5rem}.founder-badges{display:flex;gap:.75rem;flex-wrap:wrap}.founder-tag{background:#fff;border:1px solid var(--border-color);color:var(--primary-blue);padding:.35rem .85rem;border-radius:999px;font-size:.85rem;font-weight:700;box-shadow:var(--shadow-sm)}.ctf-box{background:#fff;border:2px dashed var(--accent-green);border-radius:var(--radius-md);padding:2rem;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;box-shadow:var(--shadow-sm)}.ctf-logo-img{max-width:180px;height:auto}.ctf-caption{font-size:.88rem;color:var(--text-secondary);font-weight:700}.contact-section{padding:4.5rem 0;background:var(--bg-light);border-top:1px solid var(--border-color)}.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:2.5rem}@media (max-width: 960px){.contact-grid{grid-template-columns:1fr}}.contact-form-container{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2.25rem;box-shadow:var(--shadow-sm)}.contact-form{display:flex;flex-direction:column;gap:1.25rem;margin-top:1.25rem}.form-group{display:flex;flex-direction:column;gap:.4rem}.form-group label{font-size:.88rem;font-weight:700;color:var(--text-primary)}.form-group input,.form-group textarea{background:#fff;border:1.5px solid var(--border-color);border-radius:var(--radius-sm);padding:.75rem 1rem;color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;transition:var(--transition)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #1a6bbd26}.form-group textarea{min-height:110px;resize:vertical}.form-submit-btn{background:var(--accent-green);color:#fff;font-weight:800;padding:.9rem;border-radius:var(--radius-sm);font-size:1rem;box-shadow:var(--shadow-green);transition:var(--transition)}.form-submit-btn:hover{background:var(--accent-green-hover)}.success-alert{background:var(--accent-green-light);border:1.5px solid var(--accent-green);color:var(--accent-green-hover);padding:1.25rem;border-radius:var(--radius-sm);font-size:.98rem;text-align:center;font-weight:700}.direct-info-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2.25rem;display:flex;flex-direction:column;gap:1.5rem;box-shadow:var(--shadow-sm)}.info-item{display:flex;align-items:flex-start;gap:1rem}.info-icon{width:42px;height:42px;border-radius:var(--radius-sm);background:var(--primary-blue-light);display:flex;align-items:center;justify-content:center;color:var(--primary-blue);flex-shrink:0}.info-title{font-size:.82rem;color:var(--text-muted);font-weight:700;text-transform:uppercase;margin-bottom:.2rem}.info-text{font-size:1rem;color:var(--text-primary);font-weight:700}.wechat-box{margin-top:.5rem;padding-top:1.25rem;border-top:1px solid var(--border-color);text-align:center}.wechat-qr-img{width:140px;height:140px;border-radius:var(--radius-sm);border:2px solid var(--accent-green);margin-top:.75rem;box-shadow:var(--shadow-sm)}.footer{background:#0f172a;color:#94a3b8;padding:2.5rem 0;font-size:.9rem}.footer-bottom{text-align:center}