:root{--ppt-primary:#E5322D;--ppt-secondary:#111827;--ppt-accent:#2563EB;--ppt-muted:#64748B;--ppt-bg:#F8FAFC;--ppt-card:#FFFFFF;--ppt-border:#E5E7EB;--ppt-font:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--ppt-shadow:0 14px 40px rgba(15,23,42,.08);--ppt-radius:22px}.ppt-wrap{font-family:var(--ppt-font);color:var(--ppt-secondary);max-width:1180px;margin:0 auto;padding:28px 18px}.ppt-hero{text-align:center;padding:54px 16px 38px;background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);border-radius:var(--ppt-radius)}.ppt-kicker{display:inline-flex;align-items:center;border:1px solid rgba(229,50,45,.18);color:var(--ppt-primary);background:rgba(229,50,45,.07);border-radius:999px;padding:8px 14px;font-weight:700;font-size:14px}.ppt-hero h1{font-size:clamp(34px,7vw,74px);line-height:1.02;letter-spacing:-.06em;margin:18px auto 18px;max-width:900px}.ppt-hero h1 span{background:linear-gradient(90deg,var(--ppt-primary),#7c3aed,#2563eb);-webkit-background-clip:text;background-clip:text;color:transparent}.ppt-hero p{font-size:clamp(17px,2.4vw,22px);color:var(--ppt-muted);max-width:780px;margin:0 auto 24px;line-height:1.65}.ppt-search{width:min(620px,100%);padding:17px 22px;border:1px solid var(--ppt-border);border-radius:999px;font:inherit;box-shadow:0 8px 30px rgba(15,23,42,.06);outline:none}.ppt-search:focus{border-color:var(--ppt-primary);box-shadow:0 0 0 4px rgba(229,50,45,.12)}.ppt-tool-section,.ppt-why,.ppt-seo,.ppt-faq,.ppt-related{margin-top:38px}.ppt-tool-section h2,.ppt-why h2,.ppt-seo h2,.ppt-faq h2,.ppt-related h2{font-size:clamp(25px,4vw,38px);letter-spacing:-.03em;margin:0 0 18px}.ppt-tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.ppt-tools-grid.small{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.ppt-tool-card{display:flex;flex-direction:column;gap:10px;background:var(--ppt-card);border:1px solid var(--ppt-border);border-radius:20px;padding:20px;color:inherit;text-decoration:none;box-shadow:0 4px 18px rgba(15,23,42,.04);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.ppt-tool-card:hover{transform:translateY(-3px);box-shadow:var(--ppt-shadow);border-color:rgba(229,50,45,.25);text-decoration:none}.ppt-tool-icon{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:15px;color:#fff;font-weight:900;font-size:20px;box-shadow:0 10px 22px rgba(15,23,42,.16)}.ppt-tool-icon.large{width:72px;height:72px;border-radius:22px;font-size:30px;margin:0 auto}.ppt-tool-card strong{font-size:18px}.ppt-tool-card p{margin:0;color:var(--ppt-muted);line-height:1.55}.ppt-tool-card em{font-style:normal;color:var(--ppt-primary);font-weight:800;margin-top:auto}.ppt-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.ppt-feature-grid>div{background:#fff;border:1px solid var(--ppt-border);border-radius:18px;padding:22px}.ppt-feature-grid strong{font-size:20px}.ppt-feature-grid p{color:var(--ppt-muted);margin:.4rem 0 0}.ppt-tool-hero{text-align:center;padding:34px 16px 18px}.ppt-tool-hero h1{font-size:clamp(34px,6vw,62px);margin:18px 0 8px;letter-spacing:-.055em}.ppt-tool-hero p{font-size:20px;color:var(--ppt-muted);margin:0 auto;max-width:720px}.ppt-tool-app{margin-top:20px}.ppt-upload-card{background:#fff;border:1px solid var(--ppt-border);border-radius:28px;padding:clamp(18px,4vw,34px);box-shadow:var(--ppt-shadow);max-width:920px;margin:0 auto}.ppt-drop-zone{position:relative;text-align:center;border:2px dashed #cbd5e1;border-radius:24px;padding:42px 18px;background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);transition:border-color .18s,background .18s}.ppt-drop-zone.is-drag{border-color:var(--ppt-primary);background:rgba(229,50,45,.04)}.ppt-drop-icon{width:62px;height:62px;display:grid;place-items:center;margin:0 auto 12px;border-radius:18px;background:rgba(229,50,45,.1);color:var(--ppt-primary);font-size:28px;font-weight:900}.ppt-drop-zone h2{margin:0;font-size:27px}.ppt-drop-zone p{color:var(--ppt-muted);margin:8px 0 16px}.ppt-file-input{position:absolute;inset:0;opacity:0;cursor:pointer}.ppt-select-btn,.ppt-process-btn,.ppt-reset-btn,.ppt-download a,.ppt-contact-form button{position:relative;z-index:1;border:none;border-radius:999px;padding:13px 22px;font-weight:800;font-family:inherit;cursor:pointer;background:var(--ppt-primary);color:#fff;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 10px 24px rgba(229,50,45,.22)}.ppt-reset-btn{background:#eef2f7;color:var(--ppt-secondary);box-shadow:none}.ppt-select-btn:hover,.ppt-process-btn:hover,.ppt-download a:hover,.ppt-contact-form button:hover{filter:brightness(.94);text-decoration:none}.ppt-drop-zone small{display:block;margin-top:16px;color:var(--ppt-muted)}.ppt-options{display:grid;gap:14px;margin-top:20px}.ppt-options label{font-weight:800}.ppt-options input,.ppt-options select,.ppt-options textarea,.ppt-contact-form input,.ppt-contact-form textarea{width:100%;margin-top:7px;border:1px solid var(--ppt-border);border-radius:14px;padding:13px 14px;font:inherit;background:#fff}.ppt-note{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:14px;padding:12px}.ppt-files-list{margin-top:18px;display:grid;gap:8px}.ppt-file-row{display:flex;justify-content:space-between;gap:12px;align-items:center;border:1px solid var(--ppt-border);border-radius:14px;padding:10px 14px;background:#f8fafc}.ppt-file-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ppt-file-row small{color:var(--ppt-muted);white-space:nowrap}.ppt-progress{height:10px;background:#eef2f7;border-radius:999px;margin-top:20px;overflow:hidden}.ppt-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--ppt-primary),var(--ppt-accent));transition:width .25s ease}.ppt-status{min-height:24px;color:var(--ppt-muted);font-weight:700}.ppt-status.error{color:#dc2626}.ppt-status.success{color:#16a34a}.ppt-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.ppt-download{margin-top:18px}.ppt-seo,.ppt-faq,.ppt-related,.ppt-why{background:#fff;border:1px solid var(--ppt-border);border-radius:24px;padding:clamp(20px,4vw,34px);box-shadow:0 4px 20px rgba(15,23,42,.04)}.ppt-seo p,.ppt-seo li{color:var(--ppt-muted);line-height:1.75}.ppt-faq details{border:1px solid var(--ppt-border);border-radius:16px;padding:16px 18px;margin-top:12px;background:#fff}.ppt-faq summary{font-weight:900;cursor:pointer}.ppt-faq p{color:var(--ppt-muted);margin:.8rem 0 0}.ppt-ad-area{text-align:center;margin:22px auto;padding:10px;max-width:100%;overflow:hidden}.ppt-contact-form{max-width:720px;background:#fff;border:1px solid var(--ppt-border);border-radius:22px;padding:24px;box-shadow:var(--ppt-shadow)}.ppt-contact-form label{font-weight:800}@media(max-width:720px){.ppt-wrap{padding:14px 12px}.ppt-hero{padding:34px 12px}.ppt-tools-grid{grid-template-columns:1fr}.ppt-actions{flex-direction:column}.ppt-actions button,.ppt-download a{width:100%}.ppt-file-row{align-items:flex-start;flex-direction:column}.ppt-upload-card{border-radius:20px}.ppt-drop-zone{padding:28px 12px}.ppt-tool-hero h1{letter-spacing:-.04em}}