:root{--primary:#6d5dfc;--primary-dark:#5748e8;--primary-soft:#f4f1ff;--primary-light:#ede9ff;--bg:#fafaff;--card:#fff;--text:#111827;--text-soft:#4b5563;--text-muted:#6b7280;--border:#e5e7eb;--border-soft:#f0f0f5;--shadow:0 18px 45px rgba(17,24,39,.08);--shadow-soft:0 10px 30px rgba(109,93,252,.12);--container:1380px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.site-page{min-height:100vh;background:radial-gradient(circle at top right,rgba(109,93,252,.12),transparent 28%),radial-gradient(circle at top left,rgba(109,93,252,.08),transparent 26%),var(--bg)}.container{width:min(100% - 48px,var(--container));margin:0 auto}.header{position:sticky;top:0;z-index:20;background:hsla(0,0%,100%,.92);border-bottom:1px solid var(--border);backdrop-filter:blur(16px)}.header-inner{height:96px;display:flex;align-items:center;justify-content:space-between}.logo{display:inline-flex;align-items:center}.logo-image{height:126px;width:auto;display:block}.nav{display:flex;gap:28px;font-size:14px;font-weight:700;color:var(--text-soft)}.nav a:hover{color:var(--primary)}.btn{border:0;border-radius:10px;padding:14px 24px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-soft)}.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--border)}.hero-section{padding:34px 0 28px}.hero-grid{min-height:500px;display:grid;grid-template-columns:1.05fr 1fr .9fr;gap:38px;align-items:center;padding:56px;border-radius:34px;background:linear-gradient(135deg,#fff,#f7f4ff 55%,#fbfbff);border:1px solid var(--border-soft);box-shadow:var(--shadow)}.hero-copy 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18px;font-size:20px}.popular-item{display:grid;grid-template-columns:34px 1fr;gap:4px 12px;padding:13px 0;border-bottom:1px solid var(--border)}.popular-item span{grid-row:span 2;width:30px;height:30px;border-radius:10px;background:var(--primary-soft);display:grid;place-items:center}.popular-item strong{font-size:14px}.popular-item small{color:var(--text-muted)}.popular-link{display:inline-block;margin-top:18px;color:var(--primary);font-weight:800;font-size:14px}.benefit-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px;font-size:14px;font-weight:700;color:var(--text-soft)}.benefit-row div{background:#fff;border:1px solid var(--border-soft);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow-soft)}.stats-card{margin:12px auto 48px;padding:28px;border-radius:24px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);text-align:center}.stats-card strong{display:block;font-size:26px}.stats-card span{font-size:13px;color:var(--text-muted)}.tools-preview{padding:38px 0}.tools-preview h2{margin:0 0 24px;color:var(--primary);font-size:26px}.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.info-panel,.tool-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.tool-card-header{display:flex;gap:12px}.tool-card-header span{width:38px;height:38px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center}.tool-card h3{margin:0;font-size:18px}.tool-card p{margin:4px 0 0;color:var(--text-muted);font-size:13px}.upload-preview{margin-top:18px;min-height:160px;border:2px dashed #d6d9e6;border-radius:18px;display:grid;place-items:center;text-align:center;padding:20px;color:var(--primary);background:#fbfbff}.upload-preview button{border:0;border-radius:10px;padding:10px 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0;min-height:120px;border-radius:20px;border:2px dashed var(--border);background:#fff;align-items:center;color:var(--text-muted);font-weight:700;box-shadow:var(--shadow)}