.tool-page{background:var(--bg);padding-bottom:70px}.tool-container{max-width:900px}.tool-intro{padding:34px 0 24px;background:#fff;border-bottom:1px solid var(--line)}.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:22px;color:#8791a1;font-size:12px}.tool-intro h1{margin:0;font-size:clamp(31px,5vw,43px);line-height:1.2;letter-spacing:-1.7px}.tool-intro>div>p:last-child{margin:10px 0 0;color:var(--muted);font-size:15px}.calculator-wrap{padding-top:30px}.business-calculator{padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:25px;padding:5px;border-radius:13px;background:#eef2f8}.tabs button{min-height:46px;border:0;border-radius:10px;background:transparent;color:#667287;font-weight:800;cursor:pointer}.tabs button[aria-selected=true]{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(34,49,79,.09)}.date-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field-group label,fieldset legend{display:block;margin-bottom:9px;font-size:14px;font-weight:800}.field-group input[type=date],.field-group input[type=number]{width:100%;height:54px;padding:0 13px;border:1px solid #d7deea;border-radius:12px;background:#fff;font-size:16px;outline:none}.date-line{display:grid;grid-template-columns:minmax(0,1fr) 58px;gap:7px}.today-button{border:1px solid #d7deea;border-radius:11px;background:#fff;color:var(--brand);font-weight:700;cursor:pointer}fieldset{display:flex;flex-wrap:wrap;gap:10px 20px;margin:20px 0 0;padding:15px 17px;border:1px solid #e1e6ef;border-radius:12px}fieldset legend{width:auto;margin:0;padding:0 6px}fieldset label{font-size:13px;color:#4e5b70}fieldset input{margin-right:5px;accent-color:var(--brand)}.field-help{margin:10px 2px 0;color:#7b8698;font-size:12px}.form-error{margin:14px 0 0;padding:11px 13px;border-radius:9px;background:#fff0ef;color:#b93832;font-size:13px}.form-actions{display:grid;grid-template-columns:1fr auto;gap:9px;margin-top:22px}.calculate-button,.reset-button,.copy-button{border-radius:11px;font-weight:700;cursor:pointer}.calculate-button{height:50px;border:0;background:var(--brand);color:#fff}.calculate-button:disabled{opacity:.55;cursor:wait}.reset-button{height:50px;padding:0 18px;border:1px solid var(--line);background:#fff;color:#687386}.loading-status{margin:16px 0 0;color:var(--brand);font-size:13px}.result-box{margin-top:24px;padding:23px;border-radius:16px;background:#f5f8ff;border:1px solid #dfe8ff}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.result-heading h3{margin:0;font-size:16px}.copy-button{padding:7px 10px;border:1px solid #c8d7fd;background:#fff;color:var(--brand);font-size:11px}.copy-button:disabled{cursor:not-allowed;color:#9aa4b3}.primary-result{margin-top:18px;padding:15px 0;border-bottom:1px solid #dfe7f5}.primary-result span{display:block;color:#647086;font-size:13px}.primary-result strong{display:block;margin-top:5px;color:var(--brand);font-size:28px;letter-spacing:-.7px}.result-box dl{margin:7px 0 0}.result-box dl>div{display:flex;justify-content:space-between;gap:15px;padding:9px 0;border-bottom:1px solid #dfe7f5}.result-box dt{color:#647086;font-size:13px}.result-box dd{margin:0;font-weight:800;text-align:right}.result-box details{margin-top:12px;padding-top:12px;border-top:1px solid #dfe7f5}.result-box summary{cursor:pointer;color:#42516a;font-size:13px;font-weight:800}.result-box ul{margin:10px 0 0;padding-left:19px;color:#5d687a;font-size:12px;line-height:1.8}.basis-note{margin:12px 0 0;color:#7a8699;font-size:11px;line-height:1.55;text-align:right}.related-tools{margin-top:28px}.related-tools h2{font-size:20px;margin:0 0 14px}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.related-grid>a{display:grid;grid-template-columns:42px minmax(0,1fr) 16px;align-items:center;gap:11px;padding:15px;border:1px solid var(--line);border-radius:14px;background:#fff}.related-grid .tool-icon{width:42px;height:42px;border-radius:11px}.related-grid strong,.related-grid small{display:block}.related-grid small{margin-top:2px;color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:640px){.tool-page{padding-bottom:48px}.tool-intro{padding:24px 0 20px}.tool-intro h1{font-size:30px}.calculator-wrap{padding-top:20px}.business-calculator{padding:20px 16px}.date-grid{grid-template-columns:1fr}.tabs button{font-size:13px}.form-actions{grid-template-columns:1fr 82px}.primary-result strong{font-size:24px}.related-grid{grid-template-columns:1fr}.result-box dl>div{align-items:flex-start}.result-box dd{max-width:60%}}