.kyfc-wrap{max-width:1120px;margin:0 auto;color:#0f172a;font:inherit}.kyfc-hero{max-width:820px;margin:0 auto 28px;text-align:center}.kyfc-eyebrow{margin:0 0 8px;font-size:.78rem;font-weight:800;letter-spacing:.14em;color:#2563eb}.kyfc-hero h1{margin:0;font-size:clamp(2rem,4vw,3.2rem);line-height:1.05}.kyfc-lead{margin:14px auto 0;max-width:720px;font-size:1.06rem;line-height:1.7;color:#475569}.kyfc-app{background:#fff;border:1px solid #dbe4f0;border-radius:24px;padding:24px;box-shadow:0 18px 55px rgba(15,23,42,.08)}.kyfc-dropzone{min-height:300px;border:2px dashed #9fb7db;border-radius:20px;background:linear-gradient(180deg,#f8fbff,#f2f7ff);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;padding:34px;transition:.2s ease}.kyfc-dropzone:hover,.kyfc-dropzone:focus,.kyfc-dropzone.is-dragging{border-color:#2563eb;transform:translateY(-1px);outline:none}.kyfc-dropzone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.kyfc-upload-symbol{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:#2563eb;color:#fff;font-size:2rem;margin-bottom:16px}.kyfc-dropzone strong{font-size:1.15rem}.kyfc-dropzone span{margin-top:6px;color:#475569}.kyfc-dropzone small{max-width:580px;margin-top:16px;line-height:1.6;color:#64748b}.kyfc-workspace{margin-top:22px}.kyfc-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:22px}.kyfc-preview-card,.kyfc-controls-card{border:1px solid #e2e8f0;border-radius:18px;padding:18px;background:#fff}.kyfc-preview-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px;font-weight:700}.kyfc-reset{border:0;background:transparent;color:#2563eb;cursor:pointer}.kyfc-preview{background:#f8fafc;border-radius:14px;min-height:260px;display:grid;place-items:center;overflow:hidden}.kyfc-image{max-width:100%;max-height:480px;width:auto;height:auto;display:block}.kyfc-stats,.kyfc-result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 0}.kyfc-stats div{background:#f8fafc;border-radius:12px;padding:10px}.kyfc-stats dt{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:#64748b}.kyfc-stats dd{margin:4px 0 0;font-weight:700}.kyfc-controls-card label{display:block;font-weight:700;margin:0 0 8px}.kyfc-output-format{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;margin-bottom:20px}.kyfc-quality{width:100%;margin:8px 0}.kyfc-quality-note{font-size:.86rem;line-height:1.5;color:#64748b}.kyfc-convert{width:100%;border:0;border-radius:12px;padding:13px 16px;background:#2563eb;color:#fff;font-weight:800;cursor:pointer}.kyfc-convert:disabled{opacity:.6;cursor:wait}.kyfc-status{min-height:24px;margin-top:12px;color:#166534}.kyfc-status.is-error{color:#b91c1c}.kyfc-result{margin-top:18px;padding:14px;border-radius:14px;background:#eff6ff}.kyfc-result-title{font-weight:800}.kyfc-download{display:inline-block;margin-top:12px;text-decoration:none;background:#0f172a;color:#fff;padding:11px 14px;border-radius:10px;font-weight:700}.kyfc-content{max-width:850px;margin:46px auto}.kyfc-content h2{margin:32px 0 12px;font-size:clamp(1.35rem,2.3vw,1.8rem)}.kyfc-content p,.kyfc-content li{line-height:1.75;color:#334155}.kyfc-content ol{padding-left:1.25rem}.kyfc-table-wrap{overflow-x:auto}.kyfc-content table{width:100%;border-collapse:collapse}.kyfc-content th,.kyfc-content td{padding:12px;border:1px solid #e2e8f0;text-align:left;vertical-align:top}.kyfc-content th{background:#f8fafc}.kyfc-content details{border-top:1px solid #e2e8f0;padding:14px 0}.kyfc-content summary{cursor:pointer;font-weight:700}.kyfc-content details p{margin:10px 0 0}.dark-mode .kyfc-wrap,.is-dark .kyfc-wrap{color:#e5e7eb}.dark-mode .kyfc-app,.is-dark .kyfc-app,.dark-mode .kyfc-preview-card,.dark-mode .kyfc-controls-card,.is-dark .kyfc-preview-card,.is-dark .kyfc-controls-card{background:#0f172a;border-color:#243244}.dark-mode .kyfc-dropzone,.is-dark .kyfc-dropzone{background:#111c2d;border-color:#405273}.dark-mode .kyfc-lead,.dark-mode .kyfc-content p,.dark-mode .kyfc-content li,.is-dark .kyfc-lead,.is-dark .kyfc-content p,.is-dark .kyfc-content li{color:#cbd5e1}.dark-mode .kyfc-preview,.is-dark .kyfc-preview,.dark-mode .kyfc-stats div,.is-dark .kyfc-stats div{background:#111c2d}.dark-mode .kyfc-output-format,.is-dark .kyfc-output-format{background:#0f172a;color:#e5e7eb;border-color:#334155}.dark-mode .kyfc-content th,.is-dark .kyfc-content th{background:#111c2d}.dark-mode .kyfc-content th,.dark-mode .kyfc-content td,.is-dark .kyfc-content th,.is-dark .kyfc-content td{border-color:#334155}
@media (max-width:800px){.kyfc-app{padding:16px}.kyfc-grid{grid-template-columns:1fr}.kyfc-stats,.kyfc-result-stats{grid-template-columns:1fr 1fr}.kyfc-preview{min-height:220px}}@media (max-width:520px){.kyfc-dropzone{min-height:260px;padding:24px 18px}.kyfc-stats,.kyfc-result-stats{grid-template-columns:1fr}.kyfc-content{margin-top:34px}}

.kyfc-use-cases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:1.1rem 0 1.6rem}.kyfc-use-cases>div{padding:18px;border:1px solid var(--kyfc-border,#e6eaf0);border-radius:14px;background:var(--kyfc-soft,#f8fafc)}.kyfc-use-cases strong{display:block;margin-bottom:6px}.kyfc-use-cases p{margin:0}.kyfc-related{margin-top:2.2rem;padding-top:1.4rem;border-top:1px solid var(--kyfc-border,#e6eaf0)}.kyfc-related-links{display:flex;flex-wrap:wrap;gap:10px}.kyfc-related-links a{display:inline-block;padding:10px 14px;border:1px solid var(--kyfc-border,#dfe5ec);border-radius:999px;text-decoration:none}.kyfc-intro{margin:0 0 1.25rem}.kyfc-intro .kyfc-lead{max-width:820px;margin:0}.kyfc-eyebrow{margin:0 0 8px;font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.68}@media(max-width:700px){.kyfc-use-cases{grid-template-columns:1fr}}

.kyfc-use-cases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:1.1rem 0 1.6rem}.kyfc-use-cases>div{padding:18px;border:1px solid var(--kyfc-border,#e6eaf0);border-radius:14px;background:var(--kyfc-soft,#f8fafc)}.kyfc-use-cases strong{display:block;margin-bottom:6px}.kyfc-use-cases p{margin:0}.kyfc-related{margin-top:2.2rem;padding-top:1.4rem;border-top:1px solid var(--kyfc-border,#e6eaf0)}.kyfc-related-links{display:flex;flex-wrap:wrap;gap:10px}.kyfc-related-links a{display:inline-block;padding:10px 14px;border:1px solid var(--kyfc-border,#dfe5ec);border-radius:999px;text-decoration:none}.kyfc-intro{margin:0 0 1.25rem}.kyfc-intro .kyfc-lead{max-width:820px;margin:0}.kyfc-eyebrow{margin:0 0 8px;font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.68}@media(max-width:700px){.kyfc-use-cases{grid-template-columns:1fr}}