.tab[data-v-8a64256b]{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:var(--max-w);height:calc(var(--tabbar-h) + var(--safe-b));padding-bottom:var(--safe-b);background:var(--c-white);border-top:.5px solid var(--c-gray-200);display:flex;z-index:100}.tab__item[data-v-8a64256b]{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;color:var(--c-gray-400);transition:color .2s}.tab__item--on[data-v-8a64256b]{color:var(--c-primary-500)}.tab__icon[data-v-8a64256b]{width:22px;height:22px}.tab__label[data-v-8a64256b]{font-size:10px;font-weight:500}.dw__mask[data-v-f9598c68]{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:800}.dw[data-v-f9598c68]{position:fixed;top:0;left:50%;transform:translate(-50%) translate(calc(var(--max-w) / -2));width:300px;max-width:85vw;height:100%;z-index:801;background:var(--c-white);display:flex;flex-direction:column;box-shadow:8px 0 32px #0000001f}@media (max-width: 480px){.dw[data-v-f9598c68]{left:0;transform:none}}.dw__head[data-v-f9598c68]{position:relative;overflow:hidden}.dw__head-bg[data-v-f9598c68]{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(145deg,#0f2942,#1d4ed8 60%,#3b82f6)}.dw__head-bg[data-v-f9598c68]:before{content:"";position:absolute;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);top:-40px;right:-20px}.dw__head-bg[data-v-f9598c68]:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;background:radial-gradient(circle,rgba(96,165,250,.15) 0%,transparent 70%);bottom:-20px;left:10px}.dw__head-content[data-v-f9598c68]{position:relative;z-index:1;padding:calc(var(--safe-t) + 24px) var(--sp-5) var(--sp-5)}.dw__brand[data-v-f9598c68]{font-size:var(--fs-xl);font-weight:800;color:#fff;letter-spacing:-.3px}.dw__sub[data-v-f9598c68]{font-size:var(--fs-xs);color:#ffffff8c;margin-top:3px}.dw__search[data-v-f9598c68]{padding:var(--sp-3) var(--sp-4)}.dw__search-box[data-v-f9598c68]{display:flex;align-items:center;height:36px;padding:0 10px;background:var(--c-gray-50);border:1px solid var(--c-gray-200);border-radius:var(--r-full);gap:6px}.dw__search-icon[data-v-f9598c68]{width:14px;height:14px;color:var(--c-gray-400);flex-shrink:0}.dw__sinp[data-v-f9598c68]{flex:1;height:100%;font-size:var(--fs-sm);min-width:0}.dw__sinp[data-v-f9598c68]::placeholder{color:var(--c-gray-300)}.dw__body[data-v-f9598c68]{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:var(--sp-1) var(--sp-2)}.dw__group[data-v-f9598c68]{margin-bottom:1px}.dw__gtitle[data-v-f9598c68]{display:flex;align-items:center;gap:8px;padding:11px 12px;border-radius:var(--r-sm);cursor:pointer;transition:background .15s}.dw__gtitle[data-v-f9598c68]:active{background:var(--c-gray-50)}.dw__gdot[data-v-f9598c68]{width:8px;height:8px;border-radius:50%;flex-shrink:0}.dw__gname[data-v-f9598c68]{flex:1;font-size:var(--fs-md);font-weight:500;color:var(--c-gray-700)}.dw__gcount[data-v-f9598c68]{font-size:10px;font-weight:600;color:var(--c-gray-400);background:var(--c-gray-50);min-width:20px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center}.dw__garr[data-v-f9598c68]{width:14px;height:14px;color:var(--c-gray-300);transition:transform .25s cubic-bezier(.4,0,.2,1)}.dw__garr--open[data-v-f9598c68]{transform:rotate(90deg)}.dw__glist[data-v-f9598c68]{padding-left:28px;overflow:hidden}.dw__link[data-v-f9598c68]{display:flex;align-items:center;gap:8px;padding:9px 12px;font-size:13px;color:var(--c-gray-600);border-radius:6px;cursor:pointer;transition:all .15s}.dw__link[data-v-f9598c68]:active{background:var(--c-primary-50);color:var(--c-primary-600)}.dw__link--dev[data-v-f9598c68]{color:var(--c-gray-400)}.dw__tag[data-v-f9598c68]{font-size:9px;font-weight:500;color:var(--c-gray-400);background:var(--c-gray-100);padding:1px 6px;border-radius:var(--r-full);flex-shrink:0;margin-left:auto;line-height:1.5}.dw__link-dot[data-v-f9598c68]{width:5px;height:5px;border-radius:50%;flex-shrink:0}.dw__empty[data-v-f9598c68]{padding:24px;text-align:center;color:var(--c-gray-400);font-size:var(--fs-sm)}.dw__foot[data-v-f9598c68]{padding:var(--sp-3) var(--sp-4) calc(var(--sp-4) + var(--safe-b));border-top:.5px solid var(--c-gray-100)}.dw__fitem[data-v-f9598c68]{display:flex;align-items:center;gap:8px;font-size:var(--fs-md);color:var(--c-gray-500);cursor:pointer;padding:8px 4px;border-radius:6px;transition:background .15s}.dw__fitem[data-v-f9598c68]:active{background:var(--c-gray-50)}.dw__fitem svg[data-v-f9598c68]{color:var(--c-gray-400)}.mask-enter-active[data-v-f9598c68],.mask-leave-active[data-v-f9598c68]{transition:opacity .3s}.mask-enter-from[data-v-f9598c68],.mask-leave-to[data-v-f9598c68]{opacity:0}.dw-enter-active[data-v-f9598c68]{transition:transform .35s cubic-bezier(.32,.72,0,1)}.dw-leave-active[data-v-f9598c68]{transition:transform .25s ease}.dw-enter-from[data-v-f9598c68],.dw-leave-to[data-v-f9598c68]{transform:translate(-50%) translate(calc(var(--max-w) / -2 - 300px))}@media (max-width: 480px){.dw-enter-from[data-v-f9598c68],.dw-leave-to[data-v-f9598c68]{transform:translate(-100%)}}.expand-enter-active[data-v-f9598c68]{transition:all .25s ease}.expand-leave-active[data-v-f9598c68]{transition:all .2s ease}.expand-enter-from[data-v-f9598c68],.expand-leave-to[data-v-f9598c68]{opacity:0;max-height:0}.expand-enter-to[data-v-f9598c68],.expand-leave-from[data-v-f9598c68]{opacity:1;max-height:500px}.gt[data-v-ff04071d]{position:fixed;top:calc(var(--safe-t,0px) + 12px);left:50%;transform:translate(-50%);z-index:9999;display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--r-sm);font-size:var(--fs-md);font-weight:500;max-width:calc(var(--max-w) - 32px);box-shadow:0 4px 16px #0000001a}.gt--error[data-v-ff04071d]{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.gt--success[data-v-ff04071d]{background:#f0fdf4;color:#059669;border:1px solid #bbf7d0}.gt__icon[data-v-ff04071d]{font-size:14px;font-weight:700}.toast-enter-active[data-v-ff04071d]{transition:all .3s cubic-bezier(.22,1,.36,1)}.toast-leave-active[data-v-ff04071d]{transition:all .2s ease}.toast-enter-from[data-v-ff04071d]{opacity:0;transform:translate(-50%) translateY(-20px)}.toast-leave-to[data-v-ff04071d]{opacity:0;transform:translate(-50%) translateY(-10px)}.slide-enter-active{transition:all .3s cubic-bezier(.22,1,.36,1)}.slide-leave-active{transition:all .15s ease}.slide-enter-from{opacity:0;transform:translate(40px)}.slide-leave-to{opacity:0;transform:translate(-20px)}.fade-enter-active{transition:opacity .2s}.fade-leave-active{transition:opacity .15s}.fade-enter-from,.fade-leave-to{opacity:0}:root{--c-primary-600: #1d4ed8;--c-primary-500: #3b82f6;--c-primary-400: #60a5fa;--c-primary-100: #dbeafe;--c-primary-50: #eff6ff;--c-gray-900: #111827;--c-gray-700: #374151;--c-gray-600: #4b5563;--c-gray-500: #6b7280;--c-gray-400: #9ca3af;--c-gray-300: #d1d5db;--c-gray-200: #e5e7eb;--c-gray-100: #f3f4f6;--c-gray-50: #f9fafb;--c-white: #ffffff;--c-danger: #dc2626;--c-danger-light: #fef2f2;--c-success: #059669;--c-success-light: #f0fdf4;--c-warn: #d97706;--c-warn-light: #fffbeb;--c-mod-water: #3b82f6;--c-mod-drain: #10b981;--c-mod-hot: #f59e0b;--c-mod-fire: #ef4444;--c-mod-emergency: #8b5cf6;--c-mod-pipe: #06b6d4;--c-mod-calc: #6b7280;--c-mod-other: #78716c;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--fs-xs: 11px;--fs-sm: 12px;--fs-md: 14px;--fs-base: 15px;--fs-lg: 16px;--fs-xl: 18px;--fs-2xl: 20px;--fs-3xl: 28px;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-full: 9999px;--shadow-card: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.02);--shadow-float: 0 4px 12px rgba(59,130,246,.25);--shadow-sheet: 0 -4px 32px rgba(0,0,0,.1);--topbar-h: 48px;--tabbar-h: 56px;--max-w: 480px;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{height:100%;-webkit-text-size-adjust:100%}body{height:100%;font-family:-apple-system,SF Pro Text,PingFang SC,Helvetica Neue,sans-serif;font-size:var(--fs-md);line-height:1.5;color:var(--c-gray-900);background:var(--c-gray-100);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overflow-x:hidden}#app{height:100%;max-width:var(--max-w);margin:0 auto;position:relative;background:var(--c-gray-100)}@media (min-width:481px){#app{box-shadow:-1px 0 0 var(--c-gray-200),1px 0 0 var(--c-gray-200)}}input,select,textarea,button{font:inherit;color:inherit;outline:none;border:none;background:none}a{color:inherit;text-decoration:none}ul,ol{list-style:none}.calc-page{padding:var(--sp-4);padding-bottom:calc(var(--tabbar-h) + var(--safe-b) + 68px)}.calc-actions{padding:var(--sp-3) var(--sp-4) var(--sp-4)}.calc-actions .gb{width:100%}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.result-grid .full-width{grid-column:1 / -1}.param-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px}.param-grid .span-2,.param-grid .full-width{grid-column:1 / -1}.param-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2px}.param-grid-3 .span-2{grid-column:span 2}@media (max-width: 380px){.param-grid-3{grid-template-columns:1fr 1fr}}.section-divider{height:.5px;background:var(--c-gray-100);margin:4px 0}