:root{--bg:#f0f2f5;--card:#fff;--text:#1a2332;--text-2:#4a5568;--text-3:#94a0b4;--accent:#1D9BD9;--accent-hover:#1785c2;--accent-bg:#e3f4fc;--border:#dfe3e8;--input-bg:#f7f8fa;--tg:#2aabee;--tg-hover:#229ed9;--max-blue:#5C4AD9;--max-hover:#4d3ec5;--wa-dim:#78a387;--wa:#25D366;--wa-hover:#1fc75a;--price-bg:#33A66F;--r:10px;--r-lg:14px;--shadow:0 1px 3px rgba(0,0,0,0.05), 0 2px 10px rgba(0,0,0,0.03);--font:'Open Sans',system-ui,sans-serif}.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;font-family:var(--font);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;box-sizing:border-box}.calc-grid *, .calc-grid *::before, .calc-grid *::after{box-sizing:border-box;margin:0;padding:0}@media (max-width: 720px){.calc-grid{grid-template-columns:1fr}.preview-card{position:static !important}}.preview-card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;position:sticky;top:20px}.preview-badge{width:100%;aspect-ratio:4/3;background:linear-gradient(145deg, #e8edf2 0%, #dce2e8 100%);background-size:170%;background-position:center;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border)}.preview-mount-section{padding:20px;background:var(--card);display:none}.preview-mount-section.visible{display:block;animation:mountSectionFadeIn 0.5s ease-out}@keyframes
mountSectionFadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.preview-mount-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.mount-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;color:var(--text-3)}.mount-name{font-size:13px;font-weight:600;color:var(--text)}.preview-mount{width:100%;aspect-ratio:16/9;background-size:110%;background-position:center;border-radius:var(--r);transition:all 0.3s ease;display:flex;align-items:center;justify-content:center;position:relative;background-color:#f7f8fa}.preview-mount:hover{transform:scale(1.02)}.preview-mount
.ph{padding:20px}.preview-mount.split{display:flex;flex-direction:row;padding:0;background:none}.preview-half{flex:1;display:flex;flex-direction:column;background:#f7f8fa;border-radius:var(--r);overflow:hidden}.preview-half:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.preview-half:last-child{border-top-left-radius:0;border-bottom-left-radius:0;border-left:2px solid var(--border)}.preview-half.hidden{display:none}.preview-mount.split.single-item .preview-half{border-radius:var(--r);border-left:none}.half-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-3);padding:10px
12px 8px;background:rgba(255, 255, 255, 0.5);border-bottom:1px solid var(--border);text-align:center}.preview-half-content{flex:1;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center;min-height:150px}.ph-small{padding:12px}.ph-small .ph-icon{width:40px;height:40px;margin:0
auto 8px}.ph-small .ph-icon
svg{width:18px;height:18px}.ph-small .ph-text{font-size:11px}.ph{text-align:center;padding:32px}.ph-icon{width:56px;height:56px;margin:0
auto 12px;border-radius:50%;background:rgba(0,0,0,0.05);display:flex;align-items:center;justify-content:center}.ph-icon
svg{width:24px;height:24px;color:var(--text-3)}.ph-text{font-size:13px;color:var(--text-3);line-height:1.4}.preview-summary{padding:14px
18px;display:flex;flex-wrap:wrap;gap:5px;border-top:1px solid var(--border)}.tag{font-size:11px;font-weight:600;padding:3px
9px;border-radius:20px;background:var(--input-bg);border:1px
solid var(--border);color:var(--text-2);white-space:nowrap}.form-card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden}.qty-block{padding:20px;border-bottom:1px solid var(--border)}.qty-top{display:flex;align-items:center;gap:8px;margin-bottom:12px}.qty-label{font-size:13px;font-weight:700;color:var(--text-2);text-transform:uppercase;letter-spacing:0.5px;margin-right:auto}.qty-custom-label{font-size:10px;font-weight:400;color:var(--text-3);opacity:0.5;margin-right:-2px}.qty-input-wrap{display:flex;align-items:center;gap:2px;background:var(--input-bg);border:1.5px solid var(--border);border-radius:var(--r);padding:0
8px;transition:border-color 0.15s}.qty-input-wrap:focus-within{border-color:var(--accent)}.qty-num{width:56px;height:36px;border:none;background:none;font-family:var(--font);font-size:16px;font-weight:700;text-align:center;color:var(--text);outline:none;-moz-appearance:textfield}.qty-num::-webkit-inner-spin-button{-webkit-appearance:none}.qty-unit{font-size:11px;color:var(--text-3);font-weight:600}.qty-presets{display:flex;gap:6px;flex-wrap:wrap}.qty-btn{flex:1;min-width:48px;height:34px;border:1.5px solid var(--border);border-radius:var(--r);background:var(--input-bg);font-family:var(--font);font-size:13px;font-weight:600;color:var(--text-2);cursor:pointer;transition:all 0.15s;user-select:none;-webkit-user-select:none}.qty-btn:hover{border-color:var(--accent);color:var(--accent)}.qty-btn.active{background:var(--accent-bg);border-color:var(--accent);color:var(--accent)}.form-fields{padding:4px
20px 12px}.field{padding:12px
0;border-bottom:1px solid var(--border)}.field:last-child{border-bottom:none}.field-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-3);margin-bottom:6px}.calc-grid select, .calc-grid .cs-btn{width:100%;height:40px;border:1.5px solid var(--border);border-radius:var(--r);background:var(--input-bg);font-family:var(--font);font-size:13px;font-weight:500;color:var(--text);padding:0
32px 0 12px;outline:none;cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M.5.5L5 5 9.5.5' stroke='%2394a0b4' stroke-width='1.2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;transition:border-color 0.15s}.calc-grid select:focus, .calc-grid .cs-btn:focus{border-color:var(--accent)}.sub-select{display:none;margin-top:6px}.sub-select.visible{display:block}.toggle-row{display:flex;gap:6px}.toggle-opt{flex:1;position:relative}.toggle-opt
input{position:absolute;opacity:0;pointer-events:none}.toggle-opt
label{display:flex;align-items:center;justify-content:center;height:38px;font-size:13px;font-weight:600;color:var(--text-2);background:var(--input-bg);border:1.5px solid var(--border);border-radius:var(--r);cursor:pointer;transition:all 0.15s;user-select:none;-webkit-user-select:none}.toggle-opt input:checked+label{color:var(--accent);background:var(--accent-bg);border-color:var(--accent)}.exclusive-row{display:none;gap:8px;margin-top:6px;align-items:center}.exclusive-row.visible{display:flex}.excl-input{flex:1;height:38px;border:1.5px solid var(--border);border-radius:var(--r);background:var(--input-bg);font-family:var(--font);font-size:13px;font-weight:500;text-align:center;color:var(--text);outline:none;-moz-appearance:textfield;transition:border-color 0.15s}.excl-input::-webkit-inner-spin-button{-webkit-appearance:none}.excl-input:focus{border-color:var(--accent)}.excl-input.invalid{border-color:#e53e3e;background:#fff5f5}.excl-x{font-size:12px;color:var(--text-3);font-weight:700}.excl-unit{font-size:11px;color:var(--text-3);font-weight:600;white-space:nowrap}.checkbox-row{display:flex;flex-direction:column;gap:6px;margin-top:6px}.checkbox-opt{position:relative}.checkbox-opt
input{position:absolute;opacity:0;pointer-events:none}.checkbox-opt
label{display:flex;align-items:center;height:38px;padding:0
12px;font-size:13px;font-weight:600;color:var(--text-2);background:var(--input-bg);border:1.5px solid var(--border);border-radius:var(--r);cursor:pointer;transition:all 0.15s;user-select:none;-webkit-user-select:none}.checkbox-opt input:checked+label{color:var(--accent);background:var(--accent-bg);border-color:var(--accent)}.checkbox-opt input:disabled+label{opacity:0.5;cursor:not-allowed}@media (hover: hover){.calc-grid select:hover, .calc-grid .cs-btn:hover{border-color:var(--accent)}.qty-input-wrap:hover{border-color:var(--accent)}.excl-input:not(.invalid):hover{border-color:var(--accent)}.toggle-opt input:not(:checked) + label:hover,
.checkbox-opt input:not(:checked):not(:disabled)+label:hover{border-color:var(--accent);color:var(--accent)}}.cs{position:relative}.cs-btn{display:flex;align-items:center;text-align:left;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}select.cs-native{position:absolute !important;width:1px !important;height:1px !important;min-height:0 !important;padding:0
!important;margin:0
!important;border:0
!important;opacity:0 !important;pointer-events:none}.cs-list{position:fixed;z-index:1050;display:none;box-sizing:border-box;max-height:320px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding:4px;background:var(--card);border:1px
solid var(--border);border-radius:10px;box-shadow:0 12px 32px rgba(16, 24, 40, 0.16);font-family:var(--font);font-size:13px;font-weight:500;color:var(--text);opacity:0;transform:translateY(-4px) scale(0.985);transform-origin:top center;transition:opacity 0.15s cubic-bezier(0.23, 1, 0.32, 1), transform 0.15s cubic-bezier(0.23,1,0.32,1)}.cs-list.is-flip-up{transform-origin:bottom center}.cs-list.is-open{display:block}.cs-list.is-visible{opacity:1;transform:none}.cs-opt{position:relative;z-index:1;display:flex;align-items:center;box-sizing:border-box;min-height:32px;padding:6px
7px;border-radius:6px;cursor:pointer}.cs-marker{position:absolute;left:4px;right:4px;top:0;height:0;border-radius:6px;background:var(--accent-bg);opacity:0;pointer-events:none;z-index:0;transition:transform 150ms cubic-bezier(0.23, 1, 0.32, 1), opacity 120ms ease}.cs-marker.is-on{opacity:1}.cs-list.is-instant .cs-marker{transition:none}.cs-opt.is-selected{color:var(--accent);font-weight:600}.cs-opt.is-selected::after{content:'';flex:none;margin-left:auto;width:14px;height:14px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M2 7.5L5.5 11L12 3.5' stroke='%231d9bd9' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center}.cs-opt.is-disabled{opacity:0.45;cursor:not-allowed}.calc-grid .cs-btn[aria-expanded="true"]{border-color:var(--accent)}@media (prefers-reduced-motion: reduce){.cs-list{transform:none;transition:opacity 0.1s linear}.cs-marker{transition:none}}.constraint-badge{display:inline-flex;align-items:center;gap:3px;padding:2px
8px;margin-left:6px;font-size:10px;font-weight:600;letter-spacing:0.3px;color:#059669;background:#d1fae5;border:1px
solid #34d399;border-radius:10px;white-space:nowrap;vertical-align:middle;position:relative;transition:all 0.2s ease;position:relative;top:0}.constraint-badge::before{content:none}.checkbox-opt input:disabled ~ label .constraint-badge{background:#fff8e6;border-color:#ffd666;color:#d48806;opacity:1}.constraint-badge:hover{background:#a7f3d0;border-color:#10b981;color:#047857;transform:scale(1.05);cursor:help;z-index:990}.constraint-badge[data-tooltip]::after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(4px);padding:6px
10px;background:var(--text);color:white;font-size:11px;font-weight:500;letter-spacing:0;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:all 0.2s ease;box-shadow:0 4px 12px rgba(0,0,0,0.15);z-index:1000}.constraint-badge[data-tooltip]:hover::after{opacity:1;transform:translateX(-50%) translateY(0)}.price-bar{background:var(--price-bg);padding:20px;margin:0
20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;height:100px;position:relative;border-radius:var(--r-lg)}.price-col{}.price-one{font-size:32px;font-weight:800;color:#fff;letter-spacing:-1px;line-height:1}.price-one
.cur{font-size:17px;font-weight:600;opacity:0.7;margin-left:2px}.price-label{font-size:11px;color:rgba(255,255,255,0.7);font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-top:2px}.price-total{font-size:14px;color:rgba(255,255,255,0.7);font-weight:500;text-align:right}.price-total
strong{color:#fff;font-weight:700;font-size:16px}.price-total
.cur{opacity:0.7}.price-msg{display:none;width:100%;text-align:center}.price-msg.visible{display:flex;flex-direction:column;align-items:center;justify-content:center;animation:slideInScale 0.4s ease-out}@keyframes
slideInScale{from{opacity:0;transform:translateY(-10px) scale(0.95)}to{opacity:1;transform:translateY(0) scale(1)}}.price-msg-text{font-size:22px;font-weight:800;color:#fff;line-height:1.3;letter-spacing:-0.3px;text-shadow:0 2px 8px rgba(0,0,0,0.2)}.price-msg-sub{font-size:14px;color:rgba(255,255,255,0.75);margin-top:6px;font-weight:500;letter-spacing:0.1px}#msgMin,[id$="_msgMin"]{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);width:auto;padding:0}#msgMin.visible,[id$="_msgMin"].visible{display:block;animation:fadeInUp 0.3s ease-out}@keyframes
fadeInUp{from{opacity:0;transform:translateX(-50%) translateY(5px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}#msgMin .price-msg-text, [id$="_msgMin"] .price-msg-text{font-size:11px;font-weight:600;color:rgba(255,255,255,0.6);letter-spacing:0.3px;text-shadow:none;background:rgba(255,255,255,0.08);padding:4px
12px;border-radius:12px;backdrop-filter:blur(4px);border:1px
solid rgba(255,255,255,0.1);white-space:nowrap}.cta-block{padding:16px
20px 20px}.cta-block .cta-secondary{margin-bottom:8px}.calc-msg-label{display:flex;align-items:center;gap:12px;margin:0
0 12px;font-family:var(--font);font-size:11px;font-weight:600;letter-spacing:0.5px;text-transform:uppercase;color:var(--text-3);user-select:none}.calc-msg-label::before,.calc-msg-label::after{content:'';flex:1;height:1px;background:var(--border)}.calc-msg-label
span{white-space:nowrap}.cta-block .msg-buttons .msg-btn{flex:1 1 calc(50% - 4px)}.cta-block .msg-buttons .msg-btn:last-child:nth-child(odd){flex:1 1 100%}.cta-secondary{display:flex;gap:8px}.cta-sec-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;height:38px;border:none;border-radius:var(--r);background:#F97316;font-family:var(--font);font-size:12px;font-weight:600;color:#fff;cursor:pointer;transition:all 0.15s;text-decoration:none;white-space:nowrap;box-shadow:0 4px 15px rgba(249,115,22,0.3)}.cta-sec-btn:hover{background:#EA680C;color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(249,115,22,0.4)}.cta-sec-btn:visited,.cta-sec-btn:active,.cta-sec-btn:focus{color:#fff;text-decoration:none}.cta-sec-btn
svg{width:14px;height:14px;flex-shrink:0}.calc-sla-live{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:10px;font-size:11.5px;color:var(--text-2);font-weight:500;user-select:none}.calc-sla-dot{width:7px;height:7px;border-radius:50%;background:#25D366;position:relative;flex:none}.calc-sla-dot::after{content:'';position:absolute;inset:-3px;border-radius:50%;background:#25D366;opacity: .35;animation:calcSlaPulse 1.8s ease-out infinite}@keyframes
calcSlaPulse{0%{transform:scale(.6);opacity: .45}70%{transform:scale(1.4);opacity:0}100%{opacity:0}}@media (prefers-reduced-motion: reduce){.calc-sla-dot::after{animation:none;opacity:0}}