:root{--bb-ink:#1e2330;--bb-muted:#687080;--bb-violet:#6257a8;--bb-dark:#403778;--bb-line:#dfdeeb;--bb-soft:#f2f0ff}body{background:linear-gradient(180deg,#f5f3ff,#fff 540px);color:var(--bb-ink)}.bb-page{max-width:1080px;margin:auto;padding-bottom:70px}.bb-hero{background:radial-gradient(circle at 83% 20%,rgba(255,255,255,.65),transparent 27%),linear-gradient(135deg,#e9e6ff,#edf7ff 55%,#fff1e9);border-bottom:1px solid var(--bb-line)}.bb-hero .tool-hero-icon{width:86px;height:86px;border-radius:27px;background:linear-gradient(145deg,var(--bb-violet),var(--bb-dark));box-shadow:0 16px 30px rgba(64,55,120,.24)}.upload-zone{min-height:320px;border-color:#c8c4df!important;border-radius:22px!important;background:linear-gradient(145deg,#faf9ff,#fffaf7)!important;box-shadow:0 18px 50px rgba(57,49,97,.1)}.upload-zone:hover{border-color:var(--bb-violet)!important}.pre-card{max-width:720px!important;padding:25px!important;border-color:var(--bb-line)!important;border-radius:22px!important;box-shadow:0 18px 48px rgba(57,49,97,.1)}.file-row{background:var(--bb-soft)!important}.bb-preview{display:block;width:100%;max-height:340px;object-fit:contain;margin:0 0 20px;border-radius:15px;background:#eee}.bb-options{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.pdf-field select{border-color:#cbc7de!important;border-radius:10px!important}.go-btn{min-height:51px;border-radius:12px!important;background:linear-gradient(135deg,var(--bb-violet),var(--bb-dark))!important}.bb-count{text-align:center;color:var(--bb-muted);font-size:12px}.result-card{max-width:720px!important;border-color:var(--bb-line)!important;border-radius:22px!important;box-shadow:0 18px 48px rgba(57,49,97,.1)}.bb-result-preview{display:block;width:100%;max-height:470px;object-fit:contain;margin:0 0 18px;border-radius:15px;background:#eee}.dl-btn{background:var(--bb-violet)!important}.bb-info,.bb-faq{margin-top:56px}.bb-info>div:first-child{max-width:720px}.bb-info>div:first-child>span{color:var(--bb-violet);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.09em}.bb-info h2,.bb-faq h2{font-size:30px}.bb-info p,.bb-faq p{color:var(--bb-muted);line-height:1.65}.bb-info>div:last-child{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.bb-info article{padding:22px;border:1px solid var(--bb-line);border-radius:17px;background:#fff}.bb-info article>b{color:var(--bb-violet)}.bb-info h3{margin:12px 0 6px}.bb-info article p{margin:0}.bb-faq details{padding:17px 2px;border-bottom:1px solid var(--bb-line)}.bb-faq summary{cursor:pointer;font-weight:800}@media(max-width:650px){.bb-page{padding-left:14px!important;padding-right:14px!important}.pre-card{padding:17px!important}.bb-options,.bb-info>div:last-child{grid-template-columns:1fr}.bb-info h2,.bb-faq h2{font-size:26px}}