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span{display:block;margin-top:2px;color:var(--color-text-tertiary);font-size:12px}.fan-spec-panel{padding:var(--space-3);border:1px solid var(--color-divider);background:#fff}.fan-spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--color-divider);border-left:1px solid var(--color-divider)}.fan-spec-grid div{min-height:49px;padding:7px var(--space-2);border-right:1px solid var(--color-divider);border-bottom:1px solid var(--color-divider);background:#fcfdff}.fan-spec-grid span,.fan-spec-grid strong{display:block}.fan-spec-grid span{color:var(--color-text-tertiary);font-size:11px}.fan-spec-grid strong{margin-top:3px;color:var(--color-primary);font-family:var(--font-mono);font-size:12px;line-height:1.35;word-break:break-word}.fan-chart-panel{min-width:0;padding:var(--space-3) var(--space-4) var(--space-2);background:#fff;border:1px solid var(--color-divider)}.chart-legend{display:flex;justify-content:flex-end;gap:var(--space-4);margin-bottom:var(--space-1);color:var(--color-text-secondary);font-size:12px}.chart-legend span{display:inline-flex;align-items:center;gap:var(--space-2)}.chart-legend span:before{content:"";width:22px;height:2px;background:currentColor}.legend-total{color:#084987}.legend-static{color:#6a84aa}.legend-efficiency{color:#00895a}.legend-power{color:#f05223}.fan-chart-panel svg{display:block;width:100%;height:300px;min-height:0;background:#fff;cursor:pointer}.chart-plot-bg{fill:#fbfdff}.chart-hit-area{fill:transparent}.chart-grid{stroke:#e2e9f4;stroke-width:1}.chart-axis{stroke:#64748b;stroke-width:1}.muted-axis{stroke:#8a96aa}.chart-line{fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.total-line{stroke:#084987}.static-line{stroke:#6a84aa}.efficiency-line{stroke:#00895a;stroke-dasharray:7 5}.power-line{stroke:#f05223;stroke-dasharray:2 4}.chart-marker{fill:#f05223;stroke:#fff;stroke-width:2}.chart-hover-line{stroke:#334155;stroke-width:1;stroke-dasharray:4 4;opacity:.42;pointer-events:none}.chart-hover-dot{stroke:#fff;stroke-width:2;pointer-events:none}.total-dot{fill:#084987}.static-dot{fill:#6a84aa}.chart-tooltip{pointer-events:none}.chart-tooltip rect{fill:#0f172aeb;stroke:#fff3}.chart-tooltip text{fill:#ffffffd6;font-size:11px}.chart-tooltip .tooltip-title{fill:#fff;font-size:12px;font-weight:700}.chart-tick{fill:#718096;font-size:11px}.chart-label,.chart-unit{fill:var(--color-text-secondary);font-size:12px}.configurator-page{min-height:calc(100vh - var(--header-height));padding-top:calc(var(--header-height) + var(--space-5));padding-bottom:var(--space-16)}.configurator-shell{display:grid;gap:var(--space-5)}.configurator-topbar{display:flex;align-items:end;justify-content:space-between;gap:var(--space-6);padding-bottom:var(--space-1)}.configurator-topbar h1{margin:var(--space-1) 0 0;color:var(--color-text);font-size:30px;line-height:1.15;font-weight:700}.configurator-topbar p{margin:var(--space-2) 0 0;color:var(--color-text-secondary);font-size:14px}.config-code-box{display:grid;grid-template-columns:auto minmax(230px,1fr) auto;align-items:center;gap:var(--space-3);min-width:440px;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-subtle)}.config-code-box span{color:var(--color-text-tertiary);font-size:12px;font-weight:700}.config-code-box strong{min-width:0;color:var(--color-primary);font-family:var(--font-mono);font-size:14px;word-break:break-all}.configurator-workspace{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:var(--space-5);align-items:start}.config-visual-panel{position:sticky;top:calc(var(--header-height) + var(--space-5));display:grid;gap:var(--space-3);min-width:0}.fan-config-visual{min-height:560px;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:linear-gradient(180deg,#ffffffc7,#f7f9fceb),repeating-linear-gradient(90deg,rgb(23 84 200 / .04) 0 1px,transparent 1px 88px);box-shadow:var(--shadow-subtle)}.fan-stage{position:relative;display:grid;min-height:560px;place-items:center;padding:var(--space-8)}.fan-real-image{position:relative;z-index:1;width:100%;max-height:510px;object-fit:contain;filter:saturate(.98) contrast(1.02)}.fan-prerender .fan-real-image{display:block;width:100%;height:100%;max-height:none;object-fit:cover}.fan-composite{position:relative;width:min(100%,860px);aspect-ratio:3 / 2;overflow:hidden;border-radius:var(--radius-md);background:#eef2f7;box-shadow:inset 0 0 0 1px #0f172a14}.config-image-preload{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}.fan-base-image,.fan-part-layer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.fan-base-image{z-index:1}.fan-part-layer{z-index:2;pointer-events:none}.casing-layer{clip-path:none;-webkit-mask-image:none;mask-image:none}.drive-layer{z-index:4;clip-path:none}.drive-layer-direct,.drive-layer-belt,.drive-layer-independent{clip-path:none}.damping-image-layer{z-index:5;clip-path:none}.casing-finish{position:absolute;z-index:2;left:8%;top:15%;width:42%;height:55%;border-radius:49% 43% 41% 53%;background:radial-gradient(circle at 42% 42%,transparent 0 19%,rgb(255 255 255 / .45) 20% 27%,transparent 28%),linear-gradient(135deg,color-mix(in srgb,var(--material-light) 62%,var(--casing-color)),var(--casing-color) 48%,color-mix(in srgb,var(--material-dark) 58%,var(--casing-color)));mix-blend-mode:multiply;opacity:.5;pointer-events:none}.material-sus304,.material-sus316,.material-sus2205,.material-al{opacity:.36;background:radial-gradient(circle at 42% 42%,transparent 0 19%,rgb(255 255 255 / .5) 20% 27%,transparent 28%),linear-gradient(110deg,rgb(255 255 255 / .32),var(--casing-color) 38%,rgb(76 92 112 / .42))}.material-frp{opacity:.54;background:radial-gradient(circle at 42% 42%,transparent 0 19%,rgb(255 255 255 / .44) 20% 27%,transparent 28%),repeating-linear-gradient(45deg,rgb(255 255 255 / .12) 0 6px,transparent 6px 14px),linear-gradient(135deg,#d8f0df,var(--casing-color),#7aac89)}.material-cf{opacity:.58;background:radial-gradient(circle at 42% 42%,transparent 0 19%,rgb(255 255 255 / .16) 20% 27%,transparent 28%),repeating-linear-gradient(35deg,rgb(255 255 255 / .12) 0 3px,transparent 3px 9px),repeating-linear-gradient(125deg,rgb(255 255 255 / .08) 0 3px,transparent 3px 9px),linear-gradient(135deg,#434b59,#151a22 54%,#343d4d)}.outlet-direction{position:absolute;z-index:4;left:55%;top:18%;display:inline-flex;align-items:center;gap:var(--space-2);height:34px;padding:0 var(--space-3);border:1px solid rgb(255 255 255 / .82);border-radius:var(--radius-full);background:#1754c8d6;color:#fff;box-shadow:0 12px 26px #0f172a2e;transform:rotate(var(--outlet-angle));transform-origin:-96px 128px;pointer-events:none}.outlet-direction i{width:54px;height:3px;border-radius:var(--radius-full);background:currentColor}.drive-visual{position:absolute;z-index:3;right:8%;top:41%;width:30%;height:23%;pointer-events:none}.drive-visual span{position:absolute;display:block}.drive-motor{right:4%;top:27%;width:40%;height:44%;border-radius:8px;background:repeating-linear-gradient(90deg,rgb(255 255 255 / .16) 0 4px,transparent 4px 10px),linear-gradient(135deg,#0f376a,#183f70);box-shadow:inset 0 0 0 2px #fff3,0 10px 22px #0f172a33}.drive-wheel{top:41%;width:28px;height:28px;border:5px solid #e8edf5;border-radius:var(--radius-full);background:#174a86;box-shadow:0 0 0 2px #0f172a2e}.drive-wheel-left{left:16%}.drive-wheel-right{right:30%}.drive-belt{left:22%;width:40%;height:4px;border-radius:var(--radius-full);background:#111827;transform-origin:left center}.drive-belt-top{top:39%;transform:rotate(-4deg)}.drive-belt-bottom{top:58%;transform:rotate(4deg)}.drive-shaft{left:18%;top:52%;width:50%;height:8px;border-radius:var(--radius-full);background:linear-gradient(90deg,#d9e0eb,#718096,#d9e0eb);box-shadow:0 0 0 2px #0f172a29}.drive-coupling{left:38%;top:43%;width:34px;height:28px;border-radius:6px;background:linear-gradient(135deg,#e8edf5,#6f839c);box-shadow:inset 0 0 0 2px #fff6}.drive-base-extra{right:0;bottom:6%;width:55%;height:12px;border-radius:var(--radius-sm);background:#0f2f56}.drive-mode-direct .drive-belt,.drive-mode-direct .drive-wheel,.drive-mode-direct .drive-base-extra,.drive-mode-belt .drive-shaft,.drive-mode-belt .drive-coupling,.drive-mode-coupling .drive-belt,.drive-mode-coupling .drive-wheel{display:none}.drive-mode-direct .drive-motor{right:22%;width:50%}.drive-mode-direct .drive-shaft{left:20%;width:34%}.drive-code-f .drive-base-extra{display:block;height:18px;background:linear-gradient(90deg,#0b2749,#174a86)}.damping-visual{position:absolute;z-index:4;left:21%;right:9%;bottom:12%;display:flex;justify-content:space-between;pointer-events:none}.damping-visual span{display:block;width:44px;height:22px;border-radius:6px;background:#111827;box-shadow:inset 0 0 0 2px #ffffff29,0 8px 18px #0f172a33}.damping-rigid span{height:10px;border-radius:2px;background:#334155}.damping-rubber span{background:linear-gradient(180deg,#111827 0,#111827 46%,#020617 46%,#020617)}.damping-spring span{background:repeating-linear-gradient(180deg,#d7dee9 0,#d7dee9 3px,#111827 3px,#111827 6px),#111827}.damping-hydraulic span{background:linear-gradient(90deg,#111827 0,#111827 24%,#d7dee9 24%,#d7dee9 38%,#111827 38%,#111827 62%,#d7dee9 62%,#d7dee9 76%,#111827 76%),#111827}.part-highlight{position:absolute;z-index:2;border:2px solid var(--accent-metal);background:#1754c81a;box-shadow:0 0 0 4px #ffffff9e,0 12px 30px #0f172a1a;pointer-events:none}.casing-highlight{left:8%;top:15%;width:42%;height:55%;border-radius:48% 42% 40% 52%;background:color-mix(in srgb,var(--casing-color) 22%,transparent)}.outlet-highlight{left:45%;top:7%;width:36%;height:22%;border-radius:var(--radius-md);transform:rotate(calc(var(--outlet-angle) * .14));transform-origin:6% 84%}.drive-highlight{right:8%;top:40%;width:30%;height:22%;border-radius:var(--radius-lg)}.damping-highlight{left:18%;right:8%;bottom:13%;height:11%;border-radius:var(--radius-md)}.visual-hotspot{position:absolute;z-index:3;display:grid;grid-template-columns:10px minmax(0,1fr);column-gap:var(--space-2);min-width:132px;padding:var(--space-2) var(--space-3);border:1px solid rgb(255 255 255 / .76);border-radius:var(--radius-md);background:#101827d1;color:#fff;box-shadow:0 12px 28px #0f172a29;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.visual-hotspot i{grid-row:1 / 3;width:10px;height:10px;margin-top:5px;border-radius:var(--radius-full);background:var(--accent-metal);box-shadow:0 0 0 4px #ffffff29}.visual-hotspot strong,.visual-hotspot small{display:block;min-width:0;line-height:1.35}.visual-hotspot strong{font-size:12px;font-weight:700}.visual-hotspot small{color:#ffffffb8;font-size:11px}.casing-hotspot{left:9%;top:10%}.outlet-hotspot{right:7%;top:8%}.drive-hotspot{right:7%;top:50%}.damping-hotspot{right:9%;bottom:8%}.fan-config-visual svg{display:block;width:min(100%,820px);height:auto}.base-shadow ellipse{fill:#0f172a1f}.damping-layer rect{fill:#26364f}.damping-layer rect:last-child{fill:#64748b}.fan-body{filter:drop-shadow(0 18px 20px rgb(15 23 42 / .16))}.outlet-duct{fill:var(--casing-color);stroke:#0f172a47;stroke-width:3}.outlet-mouth{fill:#f8fafc;stroke:var(--accent-metal);stroke-width:6}.drive-assembly rect{fill:#1b2b45}.drive-assembly circle{fill:#f8fafc;stroke:#1754c8;stroke-width:8}.drive-assembly path{fill:none;stroke:#1754c8;stroke-width:10;stroke-linecap:round;stroke-linejoin:round}.visual-summary{display:flex;flex-wrap:wrap;gap:var(--space-2)}.visual-summary span{display:inline-flex;align-items:center;min-height:28px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-full);background:#fff;color:var(--color-text-secondary);font-size:12px;font-weight:600}.config-options-panel{display:grid;gap:var(--space-3);min-width:0}.config-section{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-subtle)}.config-section h2{margin:0 0 var(--space-3);color:var(--color-text);font-size:15px;line-height:1.35;font-weight:700}.frame-grid,.option-grid{display:grid;gap:var(--space-2)}.frame-grid,.option-grid.two-cols{grid-template-columns:repeat(2,minmax(0,1fr))}.option-grid.three-cols{grid-template-columns:repeat(3,minmax(0,1fr))}.frame-option,.config-option{display:grid;min-width:0;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;color:var(--color-text);text-align:left;transition:border-color var(--transition),background var(--transition),box-shadow var(--transition),transform var(--transition)}.frame-option{gap:2px;min-height:78px;padding:var(--space-3)}.frame-option:hover,.config-option:hover{border-color:var(--color-primary);background:#f6f9ff}.frame-option.active,.config-option.active{border-color:var(--color-primary);background:#f2f6ff;box-shadow:inset 0 0 0 1px #1754c847}.frame-option strong,.config-option strong{color:var(--color-text);font-size:14px;font-weight:700;line-height:1.35}.frame-option span,.config-option small{color:var(--color-text-tertiary);font-size:11px;line-height:1.45}.frame-option em,.config-option em{color:var(--color-primary);font-style:normal;font-family:var(--font-mono);font-size:12px;font-weight:700}.config-option{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:var(--space-2);min-height:64px;padding:var(--space-3)}.config-option span{display:grid;gap:2px;min-width:0}.config-option.disabled{background:#f3f5f8;color:var(--color-text-tertiary)}.config-option.disabled:hover{border-color:var(--color-border);background:#f3f5f8}.starter-row{margin-top:var(--space-2)}.paint-preset-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-2)}.paint-preset{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:var(--space-3);min-height:58px;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fff;color:var(--color-text);text-align:left;cursor:pointer;transition:border-color var(--transition-base),box-shadow var(--transition-base),background var(--transition-base)}.paint-preset:hover{border-color:#2563eb85;box-shadow:0 8px 18px #0f172a14}.paint-preset.active{border-color:var(--color-primary);background:#f2f6ff;box-shadow:inset 0 0 0 1px var(--color-primary)}.paint-swatch{width:28px;height:28px;border-radius:50%;border:1px solid rgb(15 23 42 / .18);box-shadow:inset 0 1px 2px #ffffff8c,inset 0 -4px 8px #0f172a2e}.paint-preset span:not(.paint-swatch){display:grid;gap:2px;min-width:0}.paint-preset strong{font-size:13px;line-height:1.2}.paint-preset small{color:var(--color-text-secondary);font-size:11px}.paint-preset em{color:var(--color-primary);font-family:var(--font-mono);font-size:11px;font-style:normal;font-weight:700}.discharge-control{display:grid;gap:var(--space-3)}.discharge-control input[type=range]{width:100%;accent-color:var(--color-primary)}.discharge-control label{display:grid;grid-template-columns:minmax(0,1fr) 92px;align-items:center;gap:var(--space-3);color:var(--color-text-secondary);font-size:13px;font-weight:600}.discharge-control input[type=number]{width:100%;height:36px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text)}.floating-price{display:grid;grid-template-columns:1fr;align-items:stretch;gap:var(--space-3);width:100%;padding:var(--space-4);border:1px solid rgb(23 84 200 / .22);border-radius:var(--radius-lg);background:#fffffff5;box-shadow:0 12px 30px #0f172a14;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.quote-head{display:flex;align-items:end;justify-content:space-between;gap:var(--space-4)}.quote-head span{color:var(--color-text-tertiary);font-size:12px;font-weight:700}.quote-head strong,.floating-price strong{color:var(--color-primary);font-family:var(--font-mono);font-size:28px;line-height:1.15}.floating-price.pulse strong{animation:price-pulse .62s ease}.quote-selected{display:flex;flex-wrap:wrap;gap:var(--space-2)}.quote-selected span{display:inline-flex;align-items:center;min-height:24px;padding:0 var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-full);background:#fff;color:var(--color-text-secondary);font-size:11px;font-weight:700}.price-breakdown{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-2)}.price-breakdown span{display:flex;align-items:center;justify-content:space-between;min-height:26px;padding:0 var(--space-2);border-radius:var(--radius-sm);background:#f3f6fb;color:var(--color-text-secondary);font-size:12px;font-weight:600}.quote-submit{width:100%;justify-content:center;gap:var(--space-2)}.floating-price p{margin:0;color:var(--color-text-tertiary);font-size:12px;line-height:1.5}.config-toast{position:fixed;right:var(--space-6);bottom:104px;z-index:45;max-width:360px;padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);background:#101827;color:#fff;box-shadow:var(--shadow-floating);font-size:14px}@keyframes price-pulse{0%{transform:scale(1)}42%{transform:scale(1.08)}to{transform:scale(1)}}.full-width{width:100%}.service-layout{align-items:start}.service-list{display:grid;gap:var(--space-2)}.service-list article{align-items:flex-start;border-top-color:var(--color-divider)}.service-list svg{color:var(--color-primary);flex:0 0 auto;margin-top:var(--space-1)}.service-list h3{margin:0 0 var(--space-1);font-size:20px}.service-list p{margin:0;color:var(--color-text-secondary)}.site-footer{padding:var(--space-16) 0 var(--space-8);background:#0b1220;color:#ffffffb3}.footer-layout{display:grid;grid-template-columns:340px 1fr;gap:var(--space-16);padding-bottom:var(--space-8);border-bottom:1px solid rgb(255 255 255 / .12)}.footer-brand{color:#fff}.site-footer p{margin:var(--space-4) 0 0}.footer-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-8)}.footer-columns div{display:grid;gap:var(--space-2);align-content:start}.footer-columns h4{margin:0 0 var(--space-2);color:#fff;font-size:15px}.footer-columns a,.footer-columns span,.footer-columns button{color:#ffffffa8;font-size:14px;text-align:left}.footer-columns button{padding:0;background:transparent}.footer-columns a:hover,.footer-columns 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