:root{--bg:#f4f6fb;--surface:#ffffff;--text:#171b26;--text-soft:#5b6472;--text-faint:#8b93a3;--border:#e6e9f0;--primary:#4f6bff;--primary-strong:#3b53e0;--radius-lg:18px;--radius-md:12px;--shadow-sm:0 1px 2px rgba(23,27,38,0.04),0 2px 8px rgba(23,27,38,0.04);--shadow-md:0 8px 24px rgba(23,27,38,0.08),0 2px 6px rgba(23,27,38,0.04);--shadow-lg:0 24px 60px rgba(23,27,38,0.16)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}.page{min-height:100vh;background:radial-gradient(1200px 500px at 50% -160px,rgba(79,107,255,.12),transparent 60%),var(--bg)}.container{max-width:1180px;margin:0 auto;padding:48px 24px 72px}.hero{text-align:center;margin-bottom:44px}.hero h1{margin:0 0 12px;font-size:clamp(30px,4.5vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.15}.hero h1 .gradient{background:linear-gradient(90deg,#4f6bff,#8b5cf6 55%,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p.subtitle{margin:0 auto;max-width:560px;color:var(--text-soft);font-size:16px;line-height:1.7}.hero:after{content:"";display:block;width:56px;height:4px;margin:26px auto 0;border-radius:999px;background:linear-gradient(90deg,#4f6bff,#8b5cf6 55%,#ec4899)}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px}@media (max-width:960px){.grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:620px){.grid{grid-template-columns:1fr}}.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7dced}.card-banner{position:relative;height:132px;display:flex;align-items:center;justify-content:center}.card-banner:after{content:"";position:absolute;inset:0;background:radial-gradient(360px 120px at 50% 110%,rgba(0,0,0,.18),transparent 70%)}.card-icon{font-size:56px;line-height:1;filter:drop-shadow(0 6px 14px rgba(0,0,0,.22));transform:translateY(2px)}.card-badge{position:absolute;top:12px;right:12px;font-size:12px;font-weight:600;color:#fff;background:rgba(255,255,255,.24);border:1px solid rgba(255,255,255,.3);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:4px 10px;border-radius:999px}.card-body{flex:1 1;padding:20px 20px 16px;display:flex;flex-direction:column;gap:8px}.card-title{margin:0;font-size:18px;font-weight:700;letter-spacing:-.01em}.card-desc{margin:0;color:var(--text-soft);font-size:14px;line-height:1.65;flex:1 1}.card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:4px}.tag{background:#f1f3f9;border-radius:6px;padding:3px 8px}.file-info,.tag{font-size:12px;color:var(--text-faint)}.file-info{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all}.card-actions{display:flex;gap:10px;padding:0 20px 20px}.btn{flex:1 1;display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease;white-space:nowrap}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-strong)}.btn-outline{background:#fff;color:var(--text);border-color:var(--border)}.btn-outline:hover{border-color:#c6ccdd;background:#fafbfd}.footer{text-align:center;color:var(--text-faint);font-size:13px;margin-top:56px}.modal-overlay{position:fixed;inset:0;background:rgba(15,18,28,.62);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .18s ease}.modal{width:min(1180px,100%);height:min(820px,92vh);background:#fff;border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:slideUp .22s ease}.modal-head{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border)}.modal-icon{font-size:22px}.modal-title{flex:1 1;font-size:16px;font-weight:700;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.icon-btn{display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 12px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text-soft);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease,border-color .15s ease}.icon-btn:hover{background:#f6f7fb;border-color:#c6ccdd}.modal-close{width:34px;padding:0;font-size:18px;line-height:1}.modal-frame-wrap{position:relative;flex:1 1;background:#eef0f6}.modal-frame{position:absolute;inset:0;width:100%;height:100%;border:0}.frame-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--text-faint);font-size:14px;pointer-events:none}.spinner{width:28px;height:28px;border-radius:50%;border:3px solid #d9deeb;border-top:3px solid var(--primary);animation:spin .8s linear infinite}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin{to{transform:rotate(1turn)}}.template-page{display:flex;flex-direction:column;height:100vh;height:100dvh;background:#eef0f6}.template-topbar{display:flex;align-items:center;gap:16px;height:56px;padding:0 20px;background:#fff;border-bottom:1px solid var(--border);flex:none;z-index:10}.template-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-soft);padding:7px 12px;border-radius:8px;border:1px solid var(--border);transition:background .15s ease,color .15s ease}.template-back:hover{background:#f6f7fb;color:var(--text)}.template-topbar-title{flex:1 1;display:flex;align-items:center;gap:8px;min-width:0;font-size:15px;font-weight:700}.template-topbar-icon{font-size:20px}.template-topbar-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.template-topbar-badge{font-size:12px;font-weight:600;color:var(--primary);background:rgba(79,107,255,.08);padding:5px 12px;border-radius:999px;flex:none}.template-content{flex:1 1;min-height:0}.template-frame{display:block;width:100%;height:100%;border:0;background:#fff}