:root{--bg:#f6f7fb;--surface:#ffffff;--text:#1c2233;--muted:#667085;--border:#e4e7ec;--primary:#e5484d;--primary-hover:#cf3a3f;--primary-soft:#fdecec;--radius:12px;--shadow:0 1px 2px rgba(16,24,40,0.06),0 1px 3px rgba(16,24,40,0.1)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:inherit;text-decoration:none}h1,h2,h3{line-height:1.25;margin:0 0 .5rem}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.page-narrow{max-width:720px;padding-top:40px;padding-bottom:40px;display:grid;grid-gap:20px;gap:20px}.header{background:var(--surface);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.header-inner{gap:28px;height:64px}.header-inner,.logo{display:flex;align-items:center}.logo{gap:8px;font-weight:700;font-size:1.15rem}.logo-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff}.nav{display:flex;gap:20px;flex:1 1}.nav a:hover{color:var(--primary)}.nav-muted{color:var(--muted);cursor:default}.account-link,.header-actions{display:flex;align-items:center;gap:8px}.account-name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.avatar{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:600}.skeleton{display:inline-block;width:160px;height:36px;background:linear-gradient(90deg,#eef0f4,#f7f8fa,#eef0f4)}.btn,.skeleton{border-radius:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;padding:0 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12px;display:grid;place-items:center;border-radius:50%;background:var(--primary);color:#fff;font-size:1.5rem}.dropzone-title{font-weight:600;font-size:1.1rem}.dropzone-hint{color:var(--muted);font-size:.9rem;margin-top:4px}.section{padding:40px 0 64px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:16px;gap:16px;margin-top:16px}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.tool-card h3{font-size:1.05rem;margin-top:12px}.tool-card p{color:var(--muted);font-size:.92rem;margin:0 0 12px}.tool-formats{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--muted)}.fmt{padding:2px 8px;border-radius:6px;background:#eef1f6;font-weight:600;color:var(--text)}.fmt-to{background:var(--primary-soft);color:var(--primary)}.badge{font-size:.75rem;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:2px 10px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.card-muted{background:transparent;box-shadow:none;color:var(--muted)}.card h1{font-size:1.5rem}.row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.error{color:#b42318;background:#fef3f2;border:1px solid #fecdca;padding:10px 12px;border-radius:8px}.diag{margin-top:12px;font-size:.85rem;color:var(--muted)}.diag pre{background:#f2f4f7;padding:10px 12px;border-radius:8px;overflow-x:auto;color:var(--text)}.profile{display:grid;grid-template-columns:160px 1fr;grid-gap:10px 16px;gap:10px 16px;margin:20px 0 0}.profile dt{color:var(--muted)}.profile dd{margin:0;display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:.8rem;padding:2px 10px;background:var(--primary-soft);color:var(--primary)}.chip-muted{background:#eef1f6;color:var(--text)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-lg{height:46px;padding:0 24px;font-size:1rem}.dropzone{transition:border-color .15s,background .15s}.dropzone .btn-lg{margin:4px 0 8px}.dropzone-active{border-color:var(--primary);background:#fbdcdd}.dropzone-disabled{border-color:var(--border);background:#f2f4f7}.dropzone .error{max-width:560px;margin:16px auto 0}.upload-progress{max-width:420px;margin:0 auto}.bar{height:8px;margin-top:12px;border-radius:999px;background:#f6c9cb;overflow:hidden}.bar>div{height:100%;background:var(--primary);transition:width .2s}.hero-note{color:var(--muted);font-size:.9rem;margin:14px 0 0}a.tool-card:hover{border-color:#f3b4b6}.tool-formats-hero{justify-content:center;margin-bottom:12px}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.step p{color:var(--muted);margin:0}.step-no{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:700;margin-bottom:8px}.muted{color:var(--muted)}.job-page{padding-top:32px;padding-bottom:56px;display:grid;grid-gap:20px;gap:20px}.job-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}.job-title{font-size:1.4rem;word-break:break-all;margin:0}.status{font-size:.85rem;font-weight:600;padding:4px 12px;border-radius:999px;background:#eef1f6;white-space:nowrap}.status-awaiting_payment,.status-preview_ready{background:#fff4e5;color:#b54708}.status-completed{background:#e7f6ec;color:#067647}.status-expired,.status-failed{background:#fef3f2;color:#b42318}.progress-card{display:flex;align-items:center;gap:16px}.progress-card p{margin:2px 0 0}.progress-body{flex:1 1;min-width:0}.progress-body 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var(--border);border-radius:8px;font:inherit}.share-panel{display:grid;grid-gap:8px;gap:8px;padding:12px;background:var(--bg);border:1px solid var(--border);border-radius:10px}.share-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.share-row input{flex:1 1 240px;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font:inherit;font-size:.88rem}.next-tools{margin-top:16px}.next-tools h2{margin:0 0 4px}.nav-menu{position:static}.nav-menu summary{cursor:pointer;list-style:none}.nav-menu summary::-webkit-details-marker{display:none}.nav-menu summary:after{content:" ▾";font-size:.8em}.nav-menu[open] summary{color:var(--primary)}.nav-menu-panel{position:fixed;top:64px;left:50%;transform:translateX(-50%);z-index:30;width:min(1120px,calc(100vw - 32px));max-height:calc(100vh - 80px);overflow:auto;columns:190px 5;column-gap:20px;padding:22px 24px 10px;background:var(--surface);border:1px solid var(--border);border-top:0;border-radius:0 0 14px 14px;box-shadow:0 16px 40px 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.badge{margin-left:auto;font-size:.7rem}.tool-icon{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--g-bg);color:var(--g-fg)}.g-tai-lieu{--g-bg:#e3efff;--g-fg:#2f6fd6}.g-ky-chu-thich{--g-bg:#d9f4f6;--g-fg:#0e8a96}.g-trang-pdf{--g-bg:#fde4e4;--g-fg:#d63b41}.g-pdf-anh{--g-bg:#ffe9d6;--g-fg:#c9621a}.g-anh{--g-bg:#fce3f0;--g-fg:#c2408a}.g-media{--g-bg:#ece6fd;--g-fg:#6d4bd6}.g-bao-mat{--g-bg:#dff4e6;--g-fg:#1f8a4c}.g-tien-ich{--g-bg:#eef0f4;--g-fg:#475467}.tool-group{margin-top:28px}.tool-group-title{margin:0 0 12px;font-size:1.02rem;color:var(--muted);font-weight:600}.tool-card h4{margin:8px 0 4px;font-size:1.02rem}.options-form{display:flex;flex-direction:column;gap:10px;margin-top:14px;text-align:left}.options-form .checkbox{margin-top:0}.option-field{display:flex;flex-direction:column;gap:4px;font-size:.92rem}.option-field input,.option-field select{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);font:inherit}.option-field .muted{font-size:.85rem}.result-list{margin-top:12px;font-size:.92rem}.result-list summary{cursor:pointer}.result-list ul{margin:8px 0 0;padding-left:20px;display:grid;grid-gap:4px;gap:4px}.storage{margin:12px 0 4px}.storage-text{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px 16px;font-size:.92rem}.storage .bar{background:#eef1f6}.bar-warn>div{background:#d92d20}.job-item{display:flex;align-items:center;gap:6px}.job-item .job-row{flex:1 1;min-width:0}.btn-icon{width:36px;padding:0;flex:none;color:var(--muted)}.btn-icon:not(:disabled):hover{color:#b42318;background:#fef3f2}@media (max-width:860px){.preview-grid{grid-template-columns:1fr}}@media (max-width:1024px){.nav .soon{display:none}}@media (max-width:420px){.logo-text{display:none}.container{padding:0 14px}}.wallet-chip{display:inline-flex;align-items:center;height:36px;padding:0 12px;border-radius:999px;background:#fff1f1;color:var(--primary);font-weight:600;font-size:.9rem;text-decoration:none;white-space:nowrap}.wallet-chip:hover{background:#ffe3e3}.wallet-balance{font-size:1.4rem;margin:4px 0 8px}.small{font-size:.85rem}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.notice{background:#f4f9f4;border:1px solid #cfe7d4;color:#1e5b2f;border-radius:8px;padding:10px 12px;margin:12px 0 0;font-size:.9rem}.table-wrap{overflow-x:auto}.price-table{border-collapse:collapse;width:100%;margin-top:12px}.price-table td,.price-table th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}.price-table th{font-size:.85rem;color:var(--muted);font-weight:600}.package-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:12px;gap:12px;margin-top:12px}.package{display:flex;flex-direction:column;gap:2px;padding:16px;border:1px solid var(--border);border-radius:10px;background:var(--surface);text-align:left}.package-button{cursor:pointer;font:inherit;transition:border-color .15s,box-shadow .15s}.package-button:hover:not(:disabled){border-color:var(--primary);box-shadow:var(--shadow)}.package-button:disabled{opacity:.6;cursor:default}.package-price{font-size:1.25rem;font-weight:700}.package-credit{font-weight:600;color:var(--primary)}.package-bonus{font-size:.85rem;color:#1e5b2f}.checkout-qr{display:grid;grid-gap:10px;gap:10px;justify-items:start}.checkout-qr-code{width:240px;max-width:100%;height:auto;border:1px solid var(--border);border-radius:8px;background:#fff}.package-current{border-color:var(--primary)}.quota-list{list-style:none;margin:12px 0;padding:0;display:grid;grid-gap:6px;gap:6px}.quota-list strong{font-size:1.1rem}.key-list,.payment-list{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-gap:8px;gap:8px}.key-list li,.payment-list li{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 14px;border:1px solid var(--border);border-radius:8px}.key-list .row{margin-top:0}.keybox{display:block;margin:10px 0;padding:12px;background:#f6f7f9;border-radius:8px;font-size:.9rem;overflow-wrap:anywhere}.status-pending{background:#fff4e5;color:#93370d}.status-succeeded{background:#e7f6ec;color:#067647}.status-cancelled,.status-expired{background:#eef1f6;color:var(--muted)}.footer{background:#262626;color:#a3a3a3;font-size:.95rem;padding:48px 0 24px}.footer-inner{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));grid-gap:32px;gap:32px}.footer-stats-label{display:block;color:#8a8a8a;margin-bottom:14px}.footer-counter{display:flex;align-items:flex-start;flex-wrap:wrap;gap:4px 14px}.footer-count{font-size:clamp(1.6rem,3.4vw,2.3rem);letter-spacing:.18em;color:#e5e5e5;line-height:1.1}.footer-bytes,.footer-count{font-family:ui-monospace,SF Mono,Consolas,monospace}.footer-bytes{letter-spacing:.08em;color:#d4d4d4;padding-top:2px}.footer-slash{color:var(--primary)}.footer-col{display:grid;grid-gap:14px;gap:14px;align-content:start}.footer-col-title{color:#737373;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}.footer-col a{color:#d4d4d4}.footer-col a:hover{color:#fff}.footer-bottom{margin-top:40px;padding-top:18px;border-top:1px solid #3a3a3a;font-size:.85rem;color:#8a8a8a}@media (max-width:860px){.footer-inner{grid-template-columns:1fr 1fr 1fr}.footer-stats{grid-column:1/-1}}@media (max-width:520px){.footer-inner{grid-template-columns:1fr 1fr}}.nav-toggle{display:none;place-items:center;width:40px;height:40px;flex:none;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);cursor:pointer}body.no-scroll{overflow:hidden}@media (max-width:640px){.nav{display:none}.nav-toggle{display:grid}.header-actions{margin-left:auto}.nav-open .nav{display:flex;flex-direction:column;gap:0;position:fixed;top:64px;left:0;right:0;bottom:0;z-index:30;overflow-y:auto;padding:8px 20px 32px;background:var(--surface);border-top:1px solid var(--border)}.nav-open .nav-menu summary,.nav-open .nav>a{display:block;padding:14px 0;border-bottom:1px solid var(--border);font-weight:500}.nav-open .nav-menu-panel{position:static;transform:none;width:auto;max-height:none;overflow:visible;columns:170px 2;padding:14px 0 0;border:0;border-radius:0;box-shadow:none}.nav-open .nav-menu[open]{border-bottom:1px solid var(--border)}.nav-open .nav-menu[open] summary{border-bottom:0}.header-inner{justify-content:space-between;gap:12px}.header-actions{gap:4px}.header-actions .btn{height:34px;padding:0 10px;font-size:.9rem}.skeleton{width:110px}.account-name{display:none}.profile{grid-template-columns:1fr}}.batch-list{display:grid;grid-gap:12px;gap:12px;margin-top:16px}.batch-item{display:grid;grid-gap:10px;gap:10px}.batch-head{align-items:flex-start;justify-content:space-between;gap:12px}.batch-head,.promo-row{display:flex;flex-wrap:wrap}.promo-row{gap:8px;margin-bottom:12px}.promo-row input{flex:1 1 200px}.simple-table{width:100%;border-collapse:collapse;font-size:.92rem}.simple-table td,.simple-table th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}.simple-table th{color:var(--muted);font-weight:600;font-size:.82rem}.referral-notice{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:900px;margin:12px auto 0;padding:10px 14px;border:1px solid var(--primary);border-radius:var(--radius);background:var(--primary-soft);color:var(--text);font-size:.92rem}.referral-notice-warn{border-color:#d9a441;background:#fdf6e6}.referral-notice button{padding:2px 8px;line-height:1}.features{padding:64px 0 72px;background:#f3f4f6}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:56px 48px;gap:56px 48px}.feature{text-align:center;max-width:340px;margin:0 auto}.feature-icon{display:inline-grid;place-items:center;width:62px;height:62px;border-radius:50%;border:1.5px solid #3b3f48;color:var(--primary);margin-bottom:18px;background:var(--surface)}.feature h2{font-size:1.2rem;font-weight:600;margin:0 0 12px}.feature p{margin:0;color:#4a4f5a;line-height:1.65}.feature p a{text-decoration:underline}@media (max-width:860px){.features-grid{grid-template-columns:1fr 1fr}}@media (max-width:560px){.features-grid{grid-template-columns:1fr;gap:40px}}.contact-page{padding-top:40px;padding-bottom:64px}.contact-page h1{font-size:2rem}.contact-lead{margin:0 0 28px;max-width:680px}.contact-lead a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}.contact-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);grid-gap:28px;gap:28px;align-items:start}.contact-form,.contact-info{background:#f5f5f5;border-radius:16px;padding:28px}.contact-art{display:grid;place-items:center;width:200px;height:150px;margin:0 auto 20px;border-radius:48% 52% 45% 55%/55% 45% 55% 45%;background:#fafafa;color:#262626}.contact-row{display:flex;gap:16px;align-items:flex-start}.contact-row svg{flex:none;margin-top:2px}.contact-row h2{margin:0 0 6px}.contact-row a,.contact-row h2{font-size:1.05rem}.contact-row a:hover{color:var(--primary)}.contact-info .small{margin:18px 0 0 46px}.contact-form{display:grid;grid-gap:18px;gap:18px}.contact-form h2{font-size:1.3rem;margin:0}.contact-field{display:grid;grid-gap:8px;gap:8px}.contact-field em{color:var(--primary);font-style:normal}.contact-field input,.contact-field textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);font:inherit;color:var(--text)}.contact-field textarea{resize:vertical;min-height:150px}.contact-field input:focus,.contact-field textarea:focus{outline:2px solid #f3b4b6;border-color:var(--primary)}.contact-submit{height:48px;font-size:1.02rem;margin-top:6px}.contact-submit:disabled{background:#98a2b3;cursor:not-allowed}.contact-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.contact-done{justify-items:start}.contact-done p{margin:0}@media (max-width:820px){.contact-layout{grid-template-columns:1fr}}