#vdot-calc[data-astro-cid-n4ad4vaj] [data-astro-cid-n4ad4vaj]{box-sizing:border-box}#vdot-calc[data-astro-cid-n4ad4vaj]{--bg: #ffffff;--bg-soft: #f8f9fb;--border: #e5e7eb;--text: #1f2937;--heading: #0f172a;--muted: #64748b;--accent: #ea580c;--accent-2: #f97316;--accent-soft: #fff7ed;--ok: #16a34a;--radius: 12px;font-family:Arial,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);font-size:18px;line-height:1.7;max-width:820px;margin:0 auto;padding:16px}#vdot-calc[data-astro-cid-n4ad4vaj] h1[data-astro-cid-n4ad4vaj],#vdot-calc[data-astro-cid-n4ad4vaj] h2[data-astro-cid-n4ad4vaj],#vdot-calc[data-astro-cid-n4ad4vaj] h3[data-astro-cid-n4ad4vaj]{color:var(--heading);letter-spacing:-.01em;margin:32px 0 12px;line-height:1.3;font-weight:700}#vdot-calc[data-astro-cid-n4ad4vaj] h1[data-astro-cid-n4ad4vaj]{font-size:30px;margin-top:8px}#vdot-calc[data-astro-cid-n4ad4vaj] h2[data-astro-cid-n4ad4vaj]{font-size:24px;padding-bottom:6px;border-bottom:2px solid var(--accent-soft)}#vdot-calc[data-astro-cid-n4ad4vaj] h3[data-astro-cid-n4ad4vaj]{font-size:20px;color:var(--accent)}#vdot-calc[data-astro-cid-n4ad4vaj] p[data-astro-cid-n4ad4vaj]{margin:0 0 14px}#vdot-calc[data-astro-cid-n4ad4vaj] strong[data-astro-cid-n4ad4vaj]{color:var(--heading);font-weight:700}#vdot-calc[data-astro-cid-n4ad4vaj] ul[data-astro-cid-n4ad4vaj],#vdot-calc[data-astro-cid-n4ad4vaj] ol[data-astro-cid-n4ad4vaj]{margin:10px 0 18px;padding-left:24px}#vdot-calc[data-astro-cid-n4ad4vaj] li[data-astro-cid-n4ad4vaj]{margin-bottom:6px}#vdot-calc[data-astro-cid-n4ad4vaj] a[data-astro-cid-n4ad4vaj]{color:var(--accent);text-decoration:underline}#vdot-calc[data-astro-cid-n4ad4vaj] a[data-astro-cid-n4ad4vaj]:hover{text-decoration:none}#vdot-calc[data-astro-cid-n4ad4vaj] .snippet[data-astro-cid-n4ad4vaj]{background:var(--accent-soft);border-left:4px solid var(--accent);padding:14px 18px;border-radius:6px;margin:16px 0 24px;font-size:17px}#vdot-calc[data-astro-cid-n4ad4vaj] .snippet[data-astro-cid-n4ad4vaj] strong[data-astro-cid-n4ad4vaj]{color:var(--accent)}#vdot-calc[data-astro-cid-n4ad4vaj] .toc[data-astro-cid-n4ad4vaj]{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin:20px 0 28px}#vdot-calc[data-astro-cid-n4ad4vaj] .toc[data-astro-cid-n4ad4vaj] strong[data-astro-cid-n4ad4vaj]{display:block;margin-bottom:8px;font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}#vdot-calc[data-astro-cid-n4ad4vaj] .toc[data-astro-cid-n4ad4vaj] ol[data-astro-cid-n4ad4vaj]{margin:0;padding-left:22px}#vdot-calc[data-astro-cid-n4ad4vaj] .toc[data-astro-cid-n4ad4vaj] a[data-astro-cid-n4ad4vaj]{color:var(--text);text-decoration:none;font-size:15px}#vdot-calc[data-astro-cid-n4ad4vaj] .toc[data-astro-cid-n4ad4vaj] a[data-astro-cid-n4ad4vaj]:hover{color:var(--accent)}#vdot-calc[data-astro-cid-n4ad4vaj] blockquote[data-astro-cid-n4ad4vaj]{border-left:3px solid var(--accent);margin:18px 0;padding:4px 16px;color:var(--muted);font-style:italic}#vdot-calc[data-astro-cid-n4ad4vaj] .formula[data-astro-cid-n4ad4vaj]{background:#0f172a;color:#fff;padding:16px 20px;border-radius:10px;margin:16px 0;font-family:JetBrains Mono,Consolas,Monaco,monospace;font-size:15px;line-height:1.7;overflow-x:auto}#vdot-calc[data-astro-cid-n4ad4vaj] .formula[data-astro-cid-n4ad4vaj] .lbl[data-astro-cid-n4ad4vaj]{color:#fdba74}#vdot-calc[data-astro-cid-n4ad4vaj] table[data-astro-cid-n4ad4vaj]{width:100%;border-collapse:collapse;font-size:15px;margin:14px 0}#vdot-calc[data-astro-cid-n4ad4vaj] table[data-astro-cid-n4ad4vaj] th[data-astro-cid-n4ad4vaj],#vdot-calc[data-astro-cid-n4ad4vaj] table[data-astro-cid-n4ad4vaj] td[data-astro-cid-n4ad4vaj]{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);color:var(--text);font-variant-numeric:tabular-nums}#vdot-calc[data-astro-cid-n4ad4vaj] table[data-astro-cid-n4ad4vaj] th[data-astro-cid-n4ad4vaj]{background:var(--bg-soft);color:var(--heading);font-weight:700;font-size:14px}#vdot-calc[data-astro-cid-n4ad4vaj] table[data-astro-cid-n4ad4vaj] td[data-astro-cid-n4ad4vaj].time{font-weight:700}#vdot-calc[data-astro-cid-n4ad4vaj] table[data-astro-cid-n4ad4vaj] td[data-astro-cid-n4ad4vaj].pace{color:var(--accent);font-weight:700}#vdot-calc[data-astro-cid-n4ad4vaj] .tool[data-astro-cid-n4ad4vaj]{background:var(--bg-soft);border:2px solid var(--accent);border-radius:var(--radius);padding:22px;margin:24px 0}#vdot-calc[data-astro-cid-n4ad4vaj] .tool[data-astro-cid-n4ad4vaj] h2[data-astro-cid-n4ad4vaj]{border:none;margin-top:0;color:var(--accent)}#vdot-calc[data-astro-cid-n4ad4vaj] .grid[data-astro-cid-n4ad4vaj]{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:600px){#vdot-calc[data-astro-cid-n4ad4vaj] .grid[data-astro-cid-n4ad4vaj]{grid-template-columns:1fr}}#vdot-calc[data-astro-cid-n4ad4vaj] label[data-astro-cid-n4ad4vaj]{display:block;font-size:14px;color:var(--muted);margin-bottom:6px;font-weight:600}#vdot-calc[data-astro-cid-n4ad4vaj] select[data-astro-cid-n4ad4vaj],#vdot-calc[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj]{width:100%;background:#fff;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:11px 13px;font-size:16px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}#vdot-calc[data-astro-cid-n4ad4vaj] select[data-astro-cid-n4ad4vaj]:focus,#vdot-calc[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj]:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ea580c26}#vdot-calc[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj][type=number]::-webkit-inner-spin-button,#vdot-calc[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj][type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}#vdot-calc[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj][type=number]{-moz-appearance:textfield;text-align:center;font-weight:700;font-variant-numeric:tabular-nums}#vdot-calc[data-astro-cid-n4ad4vaj] .btn[data-astro-cid-n4ad4vaj]{width:100%;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff;border:none;border-radius:10px;padding:14px 20px;font-size:17px;font-weight:700;cursor:pointer;margin-top:14px;transition:transform .08s,box-shadow .15s;box-shadow:0 4px 12px #ea580c40}#vdot-calc[data-astro-cid-n4ad4vaj] .btn[data-astro-cid-n4ad4vaj]:hover{transform:translateY(-1px);box-shadow:0 6px 16px #ea580c59}#vdot-calc[data-astro-cid-n4ad4vaj] .time-row[data-astro-cid-n4ad4vaj]{display:grid;grid-template-columns:1fr 8px 1fr 8px 1fr;align-items:end;gap:4px}#vdot-calc[data-astro-cid-n4ad4vaj] .time-row[data-astro-cid-n4ad4vaj] .sep[data-astro-cid-n4ad4vaj]{text-align:center;font-size:22px;color:var(--muted);padding-bottom:10px;font-weight:700}#vdot-calc[data-astro-cid-n4ad4vaj] .pace-row[data-astro-cid-n4ad4vaj]{display:grid;grid-template-columns:1fr 8px 1fr;align-items:end;gap:4px;max-width:240px}#vdot-calc[data-astro-cid-n4ad4vaj] .input-mode[data-astro-cid-n4ad4vaj]{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:#f3f4f6;padding:4px;border-radius:10px}#vdot-calc[data-astro-cid-n4ad4vaj] .input-mode[data-astro-cid-n4ad4vaj] .seg[data-astro-cid-n4ad4vaj]{position:relative;display:flex;align-items:center;justify-content:center;padding:9px 8px;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;color:#6b7280;transition:background .15s,color .15s,box-shadow .15s;text-align:center;white-space:nowrap}#vdot-calc[data-astro-cid-n4ad4vaj] .input-mode[data-astro-cid-n4ad4vaj] .seg[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj]{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}#vdot-calc[data-astro-cid-n4ad4vaj] .input-mode[data-astro-cid-n4ad4vaj] .seg[data-astro-cid-n4ad4vaj].active{background:#fff;color:#ea580c;box-shadow:0 1px 3px #00000014}#vdot-calc[data-astro-cid-n4ad4vaj] .mode-hint[data-astro-cid-n4ad4vaj]{font-size:13px;color:var(--muted);margin-top:8px;margin-bottom:0}#vdot-calc[data-astro-cid-n4ad4vaj] .error[data-astro-cid-n4ad4vaj]{color:#dc2626;font-size:14px;margin-top:8px;min-height:18px;font-weight:600}#vdot-calc[data-astro-cid-n4ad4vaj] .results[data-astro-cid-n4ad4vaj]{display:none;margin-top:20px}#vdot-calc[data-astro-cid-n4ad4vaj] .results[data-astro-cid-n4ad4vaj].active{display:block;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1}}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-score[data-astro-cid-n4ad4vaj]{text-align:center;background:#fff;border:2px solid var(--accent);border-radius:10px;padding:22px;margin-bottom:16px}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-score[data-astro-cid-n4ad4vaj] .label[data-astro-cid-n4ad4vaj]{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.1em;font-weight:700}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-score[data-astro-cid-n4ad4vaj] .value[data-astro-cid-n4ad4vaj]{font-size:56px;font-weight:800;color:var(--accent);letter-spacing:-.03em;line-height:1;margin:6px 0;font-variant-numeric:tabular-nums}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-score[data-astro-cid-n4ad4vaj] .level[data-astro-cid-n4ad4vaj]{color:var(--text);font-size:15px;font-weight:600}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-score[data-astro-cid-n4ad4vaj] .companion[data-astro-cid-n4ad4vaj]{color:var(--muted);font-size:14px;font-weight:500;margin-top:8px;padding-top:10px;border-top:1px dashed var(--border)}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-score[data-astro-cid-n4ad4vaj] .companion[data-astro-cid-n4ad4vaj] strong[data-astro-cid-n4ad4vaj]{color:var(--accent);font-weight:700}#vdot-calc[data-astro-cid-n4ad4vaj] .zone[data-astro-cid-n4ad4vaj]{background:#fff;border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin-bottom:8px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px}#vdot-calc[data-astro-cid-n4ad4vaj] .zone-name[data-astro-cid-n4ad4vaj]{font-weight:700;font-size:15px;color:var(--heading)}#vdot-calc[data-astro-cid-n4ad4vaj] .zone-desc[data-astro-cid-n4ad4vaj]{font-size:13px;color:var(--muted);margin-top:2px}#vdot-calc[data-astro-cid-n4ad4vaj] .zone-pace[data-astro-cid-n4ad4vaj]{font-size:20px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}#vdot-calc[data-astro-cid-n4ad4vaj] .zone-pace[data-astro-cid-n4ad4vaj] .unit[data-astro-cid-n4ad4vaj]{font-size:12px;color:var(--muted);font-weight:600;margin-left:2px}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate[data-astro-cid-n4ad4vaj]{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:2px solid #16a34a;border-radius:12px;padding:22px 20px;margin:16px 0;text-align:center}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-icon[data-astro-cid-n4ad4vaj]{font-size:32px;margin-bottom:8px}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-title[data-astro-cid-n4ad4vaj]{font-size:17px;font-weight:700;color:#14532d;margin:0 0 6px}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-sub[data-astro-cid-n4ad4vaj]{font-size:13px;color:#166534;margin:0 0 14px;line-height:1.5}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-form[data-astro-cid-n4ad4vaj]{display:flex;gap:8px;max-width:440px;margin:0 auto 8px;flex-wrap:wrap}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-form[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj][type=email]{flex:1 1 200px;padding:11px 14px;border-radius:8px;border:1.5px solid #bbf7d0;font-size:14px;font-family:inherit;color:var(--heading);background:#fff}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-form[data-astro-cid-n4ad4vaj] input[data-astro-cid-n4ad4vaj][type=email]:focus{outline:none;border-color:#16a34a;box-shadow:0 0 0 3px #16a34a26}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-btn[data-astro-cid-n4ad4vaj]{flex:0 0 auto;background:#16a34a;color:#fff;border:none;padding:11px 20px;border-radius:8px;font-size:14px;font-weight:700;cursor:pointer;font-family:inherit;transition:background .15s;white-space:nowrap}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-btn[data-astro-cid-n4ad4vaj]:hover{background:#15803d}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-btn[data-astro-cid-n4ad4vaj]:disabled{opacity:.65;cursor:not-allowed}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-msg[data-astro-cid-n4ad4vaj]{font-size:13px;color:#15803d;font-weight:600;min-height:18px;margin:4px 0 0}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-skip[data-astro-cid-n4ad4vaj]{font-size:12px;color:#6b7280;margin:6px 0 0}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-skip-btn[data-astro-cid-n4ad4vaj]{background:none;border:none;color:#6b7280;text-decoration:underline;cursor:pointer;font-size:12px;font-family:inherit;padding:0}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-skip-btn[data-astro-cid-n4ad4vaj]:hover{color:var(--accent)}@media(max-width:600px){#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-form[data-astro-cid-n4ad4vaj]{flex-direction:column}#vdot-calc[data-astro-cid-n4ad4vaj] .vdot-gate-btn[data-astro-cid-n4ad4vaj]{width:100%}}#vdot-calc[data-astro-cid-n4ad4vaj] .cta[data-astro-cid-n4ad4vaj]{background:linear-gradient(135deg,#fff7ed,#ffedd5);border:2px solid var(--accent);border-radius:var(--radius);padding:28px 24px;text-align:center;margin:32px 0 16px}#vdot-calc[data-astro-cid-n4ad4vaj] .cta[data-astro-cid-n4ad4vaj] h2[data-astro-cid-n4ad4vaj]{color:var(--accent);border:none;margin-top:0}#vdot-calc[data-astro-cid-n4ad4vaj] .cta[data-astro-cid-n4ad4vaj] ul[data-astro-cid-n4ad4vaj]{text-align:left;max-width:480px;margin:16px auto;padding-left:0;list-style:none}#vdot-calc[data-astro-cid-n4ad4vaj] .cta[data-astro-cid-n4ad4vaj] li[data-astro-cid-n4ad4vaj]{padding:6px 0 6px 28px;position:relative;font-size:15px;color:var(--text)}#vdot-calc[data-astro-cid-n4ad4vaj] .cta[data-astro-cid-n4ad4vaj] li[data-astro-cid-n4ad4vaj]:before{content:"✓";position:absolute;left:0;top:5px;color:var(--ok);font-weight:700;font-size:18px}#vdot-calc[data-astro-cid-n4ad4vaj] .cta[data-astro-cid-n4ad4vaj] .btn-cta[data-astro-cid-n4ad4vaj]{display:inline-block;background:var(--accent);color:#fff;padding:14px 32px;border-radius:10px;text-decoration:none;font-weight:700;font-size:17px;margin-top:10px;transition:transform .08s;box-shadow:0 4px 14px #ea580c4d}#vdot-calc[data-astro-cid-n4ad4vaj] .cta[data-astro-cid-n4ad4vaj] .btn-cta[data-astro-cid-n4ad4vaj]:hover{transform:translateY(-1px)}#vdot-calc[data-astro-cid-n4ad4vaj] details[data-astro-cid-n4ad4vaj]{background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:14px 18px;margin-bottom:8px}#vdot-calc[data-astro-cid-n4ad4vaj] details[data-astro-cid-n4ad4vaj] summary[data-astro-cid-n4ad4vaj]{cursor:pointer;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--heading)}#vdot-calc[data-astro-cid-n4ad4vaj] details[data-astro-cid-n4ad4vaj] summary[data-astro-cid-n4ad4vaj]:after{content:"+";font-size:22px;color:var(--accent);font-weight:400}#vdot-calc[data-astro-cid-n4ad4vaj] details[data-astro-cid-n4ad4vaj][open] summary[data-astro-cid-n4ad4vaj]:after{content:"−"}#vdot-calc[data-astro-cid-n4ad4vaj] details[data-astro-cid-n4ad4vaj]>[data-astro-cid-n4ad4vaj]:not(summary){margin-top:12px}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#fff;color:#1f2937}.breadcrumb{max-width:820px;margin:16px auto 0;padding:0 20px;font-size:14px;color:#64748b}.breadcrumb a{color:#ea580c;text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.page-h1{max-width:820px;margin:12px auto 8px;padding:0 20px;font-size:32px;font-weight:800;color:#0f172a;line-height:1.25;letter-spacing:-.01em}.sub-menu-wrap{max-width:820px;margin:40px auto 0;padding:0 20px}.back-to-blog{display:inline-block;color:#ea580c;text-decoration:none;font-size:14px;font-weight:600;margin-bottom:14px}.back-to-blog:hover{text-decoration:underline}.sub-menu{display:flex;flex-wrap:wrap;gap:16px 28px;padding:16px 0;border-top:1px solid #e5e7eb;border-bottom:1px solid #e5e7eb;align-items:center}.sub-menu .home-icon{color:#64748b;font-size:18px}.sub-menu a{color:#1f2937;text-decoration:none;font-size:15px;font-weight:500;transition:color .15s}.sub-menu a:hover{color:#ea580c}.author-card{max-width:820px;margin:28px auto 0;padding:24px 20px;background:#f8f9fb;border:1px solid #e5e7eb;border-radius:12px}.author-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}.author-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#ea580c,#f97316);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px}.author-name{font-weight:700;font-size:17px;color:#ea580c;text-decoration:none}.author-name:hover{text-decoration:underline}.author-bio{font-size:14px;line-height:1.65;color:#4b5563;margin:0 0 12px}.author-social{display:flex;gap:10px}.author-social a{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;font-size:14px;font-weight:700}.social-fb{background:#1877f2}.social-fanpage{background:#1877f2;border:2px solid #fff;box-shadow:0 0 0 2px #1877f2;font-style:italic}.social-yt{background:red}.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin:0 0 14px}.footer-col p,.footer-col a{color:#cbd5e1;font-size:14px;line-height:1.7;text-decoration:none}.footer-col a:hover{color:#ea580c}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{margin-bottom:6px}@media(max-width:768px){.page-h1{font-size:26px}.sub-menu{gap:12px 18px;font-size:14px}}