@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;--primary-subtle:#f8fafc;--secondary:#10b981;--secondary-dark:#059669;--secondary-light:#d1fae5;--accent:#8b5cf6;--bg:#fff;--bg-soft:#f8fafc;--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border:#e2e8f0;--border-light:#f1f5f9;--danger:#ef4444;--warning:#f59e0b;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-premium:0 0 0 1px #0000000d, 0 20px 50px #0000001a;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--transition:all .25s cubic-bezier(.4, 0, .2, 1)}@keyframes float{0%{transform:perspective(1000px)rotateY(-5deg)rotateX(5deg)translateY(0)}50%{transform:perspective(1000px)rotateY(-5deg)rotateX(5deg)translateY(-10px)}to{transform:perspective(1000px)rotateY(-5deg)rotateX(5deg)translateY(0)}}@keyframes blink{50%{opacity:0}}@keyframes pulse-soft{0%{box-shadow:0 0 #2563eb66}70%{box-shadow:0 0 0 10px #2563eb00}to{box-shadow:0 0 #2563eb00}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;max-height:0;transform:translateY(-8px)}to{opacity:1;max-height:500px;transform:translateY(0)}}.animate-fade-in{animation:.6s forwards fadeIn}@media (max-width:768px){.hide-mobile{display:none!important}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}ul{list-style:none}.container{width:100%;max-width:1140px;margin:0 auto;padding:0 24px}.container-narrow{max-width:800px;margin:0 auto;padding:0 24px}.navbar{border-bottom:1px solid var(--border);z-index:1000;background:#fff;height:64px;position:sticky;top:0;box-shadow:0 4px 20px -5px #0000001a}.navbar-inner{justify-content:space-between;align-items:center;height:100%;display:flex}.nav-logo{color:var(--primary);letter-spacing:-.3px;align-items:center;gap:10px;font-size:20px;font-weight:700;display:flex}.nav-logo-icon{background:var(--primary);border-radius:var(--radius-sm);color:#fff;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex}.nav-links{align-items:center;gap:32px;display:flex}.nav-link{color:var(--text-secondary);transition:color var(--transition);font-size:14px;font-weight:500}.nav-link:hover{color:var(--text)}.btn{border-radius:var(--radius-md);transition:all var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;line-height:1.4;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px #2563eb4d}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #2563eb59}.btn-outline{color:var(--text);border:1px solid var(--border);background:#fff}.btn-outline:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}.btn-success{background:var(--secondary);color:#fff;box-shadow:0 1px 2px #10b9814d}.btn-success:hover{background:var(--secondary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #10b98159}.btn-lg{border-radius:var(--radius-lg);padding:14px 28px;font-size:16px}.btn-sm{padding:6px 14px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.hero-grid{grid-template-columns:1.25fr .75fr;align-items:center;gap:64px;display:grid}@media (max-width:991px){.hero-grid{text-align:center;grid-template-columns:1fr;gap:48px}}.hero-badge{background:var(--primary-light);color:var(--primary);border-radius:100px;align-items:center;gap:6px;margin-bottom:24px;padding:6px 16px;font-size:13px;font-weight:600;display:inline-flex}.hero h1{letter-spacing:-.8px;color:var(--text);max-width:680px;margin:0 auto 16px;font-size:44px;font-weight:800;line-height:1.15}.hero-subtitle{color:var(--text-secondary);max-width:520px;margin:0 auto 36px;font-size:18px;line-height:1.6}.hero-buttons{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.hero-trust{flex-wrap:wrap;justify-content:center;align-items:center;gap:24px;margin-top:48px;display:flex}.hero-trust-item{color:var(--text-secondary);align-items:center;gap:6px;font-size:13px;font-weight:500;display:flex}.hero-trust-icon{background:var(--secondary-light);width:18px;height:18px;color:var(--secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;display:flex}.section{padding:80px 0}.section-light{background:var(--bg-white)}.section-gray{background:var(--bg)}.section-header{text-align:center;max-width:560px;margin:0 auto 48px}.section-label{color:var(--primary);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;font-size:13px;font-weight:600}.section-title{letter-spacing:-.5px;color:var(--text);margin-bottom:12px;font-size:32px;font-weight:700}.section-desc{color:var(--text-secondary);font-size:16px;line-height:1.6}.steps-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid;position:relative}.steps-grid:before{content:"";background:var(--border);z-index:0;height:2px;position:absolute;top:36px;left:calc(16.665% + 36px);right:calc(16.665% + 36px)}.step-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);text-align:center;z-index:1;transition:all var(--transition);padding:32px 24px;position:relative}.step-card:hover{border-color:var(--primary-light);box-shadow:var(--shadow-md)}.step-number{background:var(--primary-light);width:48px;height:48px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 20px;font-size:18px;font-weight:700;display:flex}.step-card:last-child .step-number{background:var(--secondary-light);color:var(--secondary)}.step-card h3{margin-bottom:8px;font-size:17px;font-weight:600}.step-card p{color:var(--text-secondary);font-size:14px;line-height:1.5}.benefits-grid{grid-template-columns:repeat(2,1fr);gap:16px;max-width:640px;margin:0 auto;display:grid}.benefit-item{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--transition);align-items:center;gap:12px;padding:16px 20px;display:flex}.benefit-item:hover{border-color:var(--secondary-light);box-shadow:var(--shadow-sm)}.benefit-icon{border-radius:var(--radius-sm);background:var(--secondary-light);width:32px;height:32px;color:var(--secondary);flex-shrink:0;justify-content:center;align-items:center;font-size:14px;display:flex}.benefit-item span{color:var(--text);font-size:14px;font-weight:500}.pricing-card{background:var(--bg-white);border:2px solid var(--primary);border-radius:var(--radius-xl);text-align:center;max-width:420px;margin:0 auto;padding:40px;position:relative;overflow:visible}.split-section-grid{grid-template-columns:1fr 1fr;align-items:center;gap:48px;display:grid}.pricing-badge{background:var(--primary);color:#fff;text-transform:uppercase;letter-spacing:.5px;border-radius:100px;padding:4px 20px;font-size:12px;font-weight:600;position:absolute;top:-14px;left:50%;transform:translate(-50%)}.pricing-amount{color:var(--text);letter-spacing:-1px;margin:16px 0 4px;font-size:48px;font-weight:800}.pricing-amount span{color:var(--text-secondary);font-size:18px;font-weight:400}.pricing-desc{color:var(--text-secondary);margin-bottom:28px;font-size:14px}.pricing-features{text-align:left;margin-bottom:28px}.pricing-feature{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:12px 0;font-size:14px;display:flex}.pricing-feature:last-child{border-bottom:none}.pricing-feature-label{color:var(--text);font-weight:500}.pricing-feature-value{font-weight:600}.pricing-feature-free{color:var(--secondary)}.pricing-feature-paid{color:var(--text)}.tools-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.tool-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);text-align:center;opacity:.75;transition:all var(--transition);padding:24px;position:relative}.tool-card:hover{opacity:1;box-shadow:var(--shadow-sm)}.tool-badge{background:var(--warning);color:#fff;border-radius:100px;margin-bottom:12px;padding:2px 10px;font-size:11px;font-weight:600;display:inline-block}.tool-card h3{margin-bottom:4px;font-size:15px;font-weight:600}.tool-card p{color:var(--text-muted);font-size:13px}.seo-section{background:var(--bg-white);border-top:1px solid var(--border);padding:64px 0}.seo-section 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64px);display:grid}.form-panel{background:var(--bg-white);border-right:1px solid var(--border);flex-direction:column;display:flex;overflow-y:auto}.form-panel-header{padding:24px 32px 0}.form-panel-body{flex:1;padding:24px 32px}.form-panel-footer{border-top:1px solid var(--border);background:var(--bg-white);justify-content:space-between;align-items:center;padding:16px 32px;display:flex}.form-progress{align-items:center;gap:4px;margin-bottom:28px;display:flex}.form-progress-step{background:var(--border);border-radius:2px;flex:1;height:4px;transition:background .3s}.form-progress-step.active{background:var(--primary)}.form-progress-step.done{background:var(--secondary)}.form-step-label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:500}.form-step-title{color:var(--text);margin-bottom:24px;font-size:22px;font-weight:700}.field{margin-bottom:20px}.field-label{color:var(--text);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.field-input{border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text);background:var(--bg-white);transition:all var(--transition);outline:none;padding:10px 14px;font-size:14px}.field-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb14}.field-input::placeholder{color:var(--text-muted)}.field-input-error{border-color:var(--danger)}.field-input-error:focus{box-shadow:0 0 0 3px #ef444414}.field-error{color:var(--danger);margin-top:4px;font-size:12px;font-weight:500}.field-hint{color:var(--text-muted);margin-top:4px;font-size:12px}.field-select{border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text);background:var(--bg-white);transition:all var(--transition);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 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var(--border);border-radius:var(--radius-md);width:100%;max-width:640px;box-shadow:var(--shadow-lg);color:#111;background:#fff;font-size:11px;position:relative;overflow:hidden}.w9-preview-watermark{color:#ef444414;white-space:nowrap;pointer-events:none;z-index:5;letter-spacing:4px;font-size:48px;font-weight:800;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-30deg)}.w9-header{border-bottom:2px solid #111;grid-template-columns:1fr auto;display:grid}.w9-header-left{border-right:1px solid #999;padding:8px 12px}.w9-header-left .w9-form-label{color:#666;margin-bottom:2px;font-size:8px}.w9-header-left .w9-form-title{margin-bottom:2px;font-size:22px;font-weight:800;line-height:1}.w9-header-left .w9-form-subtitle{font-size:10px;font-weight:600;line-height:1.3}.w9-header-left .w9-form-dept{color:#666;font-size:8px;font-style:italic}.w9-header-left .w9-form-link{color:#444;margin-top:2px;font-size:7px}.w9-header-right{text-align:right;min-width:120px;padding:8px 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10px;font-size:12px;font-weight:600;display:inline-flex}.doc-results-badge-ok{background:var(--secondary-light);color:var(--secondary-dark)}.doc-results-badge-warn{color:#92400e;background:#fef3c7}.doc-results-list{flex-direction:column;gap:4px;display:flex}.doc-result-item{border-radius:var(--radius-sm);justify-content:space-between;align-items:center;gap:12px;padding:6px 10px;font-size:12px;display:flex}.doc-result-ok{background:#10b9810a}.doc-result-miss{background:#f59e0b0a}.doc-result-label{color:var(--text-secondary);flex-shrink:0;font-weight:600}.doc-result-value{color:var(--text);text-align:right;word-break:break-word;font-weight:500}.doc-results-tip{background:var(--bg);border-radius:var(--radius-sm);color:var(--text-secondary);align-items:flex-start;gap:8px;margin-top:10px;padding:10px 12px;font-size:11px;line-height:1.5;display:flex}.doc-results-tip svg{color:var(--text-muted);flex-shrink:0;margin-top:1px}@media (max-width:900px){.form-layout{grid-template-rows:auto auto;grid-template-columns:1fr}.form-page{height:auto;min-height:100vh}.form-panel{border-right:none;border-bottom:1px solid var(--border);overflow:visible}.preview-panel{min-height:600px}}@media (max-width:768px){.nav-links .nav-link{display:none}.nav-links{gap:8px}.nav-logo{gap:6px;font-size:16px}.btn-sm{padding:6px 10px;font-size:12px}.form-panel-header,.form-panel-body,.form-panel-footer{padding-left:16px;padding-right:16px}.preview-header{padding:12px 16px}.preview-body{padding:16px}}@media (max-width:400px){.nav-logo span{display:none}.nav-logo:after{content:"W9";color:var(--primary);font-size:18px;font-weight:700}.form-step-title{font-size:18px}.user-tag-display{display:none}.form-panel-header,.form-panel-body,.form-panel-footer{padding-left:12px;padding-right:12px}.preview-header{padding:10px 12px}.preview-body{padding:12px}.btn{padding:8px 14px;font-size:12px}}.hide-mobile{display:block}.show-mobile{display:none}@media (max-width:991px){.hide-mobile{display:none!important}.show-mobile{display:block!important}}.w9-preview{color:#333;background:#fff;border:1px solid #ddd;width:100%;max-width:800px;padding:32px;font-family:Inter,sans-serif;line-height:1.3;position:relative;overflow:hidden;box-shadow:0 10px 30px #0000000d}.w9-preview-watermark{color:#0000000a;pointer-events:none;white-space:nowrap;text-align:center;z-index:0;flex-direction:column;align-items:center;gap:0;font-weight:900;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-45deg)}.w9-header{border-bottom:2px solid #000;justify-content:space-between;margin-bottom:0;padding-bottom:8px;display:flex}.w9-header-left{flex:1}.w9-form-label{font-size:10px;font-weight:700}.w9-form-title{font-size:24px;font-weight:900;line-height:1}.w9-form-subtitle{margin-top:4px;font-size:10px;font-weight:700}.w9-form-dept{margin-top:2px;font-size:8px}.w9-form-link{margin-top:4px;font-size:8px;font-weight:700}.w9-header-right{border-left:2px solid #000;align-items:center;width:120px;padding-left:10px;font-size:9px;font-weight:700;display:flex}.w9-row{border-bottom:1px solid #999;min-height:36px;padding:4px 0}.w9-row-label{color:#000;font-size:9px;font-weight:700}.w9-row-value{color:var(--primary);padding:2px 12px;font-size:14px;font-weight:500}.w9-row-value.empty{color:#ccc;font-size:11px;font-style:italic}.w9-tax-section{border-bottom:1px solid #999;padding:8px 0}.w9-classification-options{grid-template-columns:repeat(4,1fr);gap:4px;padding:4px 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2px;font-weight:700}.w9-sign-section{border-top:2px solid #000;margin-top:16px;padding-top:8px}.w9-signature-line{color:var(--primary);border-bottom:1px solid #ccc;min-width:200px;margin-top:12px;padding-bottom:2px;font-family:Dancing Script,cursive,serif;font-size:24px;display:inline-block}@media (max-width:991px){.split-section-grid{gap:48px;grid-template-columns:1fr!important}.steps-grid{grid-template-columns:1fr}.steps-grid:before{display:none}.hero-grid{text-align:center;grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:32px}}@media (max-width:768px){.section{padding:60px 0}.section-title{font-size:26px}.pricing-card{padding:28px 20px}}.seo-content ul,.seo-section ul{margin:16px 0;padding-left:24px;list-style:outside}.seo-content ul li,.seo-section ul li{color:var(--text-secondary);margin-bottom:8px;font-size:15px;line-height:1.7}