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1024px){.agri-value-grid{grid-template-columns:1fr}.agri-why-layout{grid-template-columns:1fr;gap:32px}.agri-process{min-height:320px}.agri-product-main,.agri-product-sub-grid{grid-template-columns:1fr}.agri-device-grid{grid-template-columns:repeat(3,1fr)}.agri-consult-steps{flex-wrap:wrap;gap:16px;max-width:640px}.agri-consult-item{flex:1 1 calc(50% - 8px);min-width:calc(50% - 8px)}.agri-consult-arrow{display:none}}@media (max-width: 768px){.agri-hero{padding-top:100px;min-height:auto}.agri-hero-bg{background-image:linear-gradient(to bottom,#fffffff0,#ffffffe0),var(--agri-hero-image)}html.dark .agri-hero-bg{background-image:linear-gradient(to bottom,#0a1628f0,#0a1628e0),var(--agri-hero-image)}.agri-scenario-panel{grid-template-columns:1fr}.agri-scenario-image{min-height:200px;order:-1}.agri-scenario-image:after{background:linear-gradient(to bottom,transparent 50%,var(--iot-card) 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var(--iot-border);--city-hero-cta-bg: #111827;--city-hero-cta-color: #fff;--city-feature-icon-bg: rgba(249, 115, 22, .1);--city-feature-icon-border: rgba(249, 115, 22, .2);--city-consult-bg: var(--iot-secondary);--city-consult-card-bg: var(--iot-card);--city-consult-card-border: var(--iot-border);--city-consult-num-color: var(--iot-primary-600);--city-consult-num-bg: rgba(22, 93, 255, .1);--city-consult-arrow-color: #94a3b8;--city-consult-desc: var(--iot-muted-foreground)}html.dark .view-city{--city-hero-fallback: #0a1628;--city-hero-overlay: linear-gradient( to right, rgba(10, 22, 40, .94) 0%, rgba(10, 22, 40, .82) 45%, rgba(10, 22, 40, .5) 75% );--city-hero-title: #ffffff;--city-hero-subtitle: rgba(255, 255, 255, .82);--city-hero-tag-bg: rgba(249, 115, 22, .18);--city-hero-tag-color: #fdba74;--city-hero-tag-border: rgba(249, 115, 22, .35);--city-hero-tag-alt-bg: rgba(255, 255, 255, .08);--city-hero-tag-alt-color: rgba(255, 255, 255, .75);--city-hero-tag-alt-border: rgba(255, 255, 255, .2);--city-hero-cta-bg: #ffffff;--city-hero-cta-color: var(--iot-primary-600);--city-feature-icon-bg: rgba(249, 115, 22, .18);--city-feature-icon-border: rgba(249, 115, 22, .35);--city-consult-bg: rgba(255, 255, 255, .02);--city-consult-card-bg: rgba(255, 255, 255, .06);--city-consult-card-border: rgba(77, 139, 255, .28);--city-consult-num-color: #93c5fd;--city-consult-num-bg: rgba(22, 93, 255, .22);--city-consult-arrow-color: rgba(147, 197, 253, .65);--city-consult-desc: rgba(229, 231, 235, .78)}.city-hero{position:relative;min-height:480px;padding:120px 0 72px;background:var(--city-hero-fallback);overflow:hidden}.city-hero-bg{position:absolute;inset:0;background-image:var(--city-hero-overlay),var(--city-hero-image);background-position:center,center;background-size:cover,cover;background-repeat:no-repeat,no-repeat}.city-hero-content{position:relative;z-index:1;max-width:640px}.city-hero-title{font-size:clamp(28px,4vw,40px);font-weight:700;color:var(--city-hero-title);margin:0 0 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#1D2129;--iot-popover: #FFFFFF;--iot-popover-foreground: #1D2129;--iot-primary-foreground: #FFFFFF;--iot-secondary: #F2F3F5;--iot-secondary-foreground: #15171C;--iot-muted: #F2F3F5;--iot-muted-foreground: #4E5969;--iot-subtle-foreground: #86909C;--iot-border: #E5E6EB;--iot-input: #E5E6EB;--iot-ring: #165DFF;--iot-btn-primary-bg: var(--iot-primary-600);--iot-btn-primary-hover: var(--iot-primary-700);--iot-dark-bg: #030C14;--iot-dark-surface: #061627;--iot-dark-ink: #F7F8FA;--iot-dark-ink-2: #E5E6EB;--iot-dark-ink-3: #C9CDD4;--iot-dark-line: rgba(255, 255, 255, .1);--iot-on-dark-secondary: #E5E6EB;--iot-viz-accent: var(--iot-accent-500);--iot-viz-line: rgba(22, 93, 255, .22);--iot-card-icon-bg: var(--iot-neutral-100);--iot-card-icon-color: var(--iot-accent-500);--iot-engine-cover: linear-gradient(160deg, var(--iot-primary-900) 0%, var(--iot-primary-800) 100%);--iot-state-success: #00B42A;--iot-state-warning: #FF7D00;--iot-state-error: #F53F3F;--iot-state-info: #165DFF;--iot-radius-xs: 2px;--iot-radius-sm: 4px;--iot-radius-md: 6px;--iot-radius-lg: 8px;--iot-radius-xl: 12px;--iot-shadow-1: 0 1px 2px rgba(29, 33, 41, .04);--iot-shadow-2: 0 1px 4px rgba(29, 33, 41, .05), 0 2px 8px rgba(29, 33, 41, .04);--iot-shadow-3: 0 2px 8px rgba(29, 33, 41, .07), 0 4px 16px rgba(29, 33, 41, .05);--iot-card-shadow: var(--iot-shadow-2);--iot-font-sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--iot-font-mono: "SF Mono", "Fira Code", "Consolas", monospace;--iot-space-1: 4px;--iot-space-2: 8px;--iot-space-3: 12px;--iot-space-4: 16px;--iot-space-5: 24px;--iot-space-6: 32px;--iot-space-7: 48px;--iot-space-8: 72px;--iot-space-9: 96px;--iot-container: 1200px;--iot-gutter: 24px;--iot-header-height: 64px}html.theme-b{--iot-primary: #2374E1;--iot-primary-50: #EAF2FE;--iot-primary-100: #C9DEFC;--iot-primary-200: #8DBEF8;--iot-primary-300: #519DF4;--iot-primary-400: #2F86E9;--iot-primary-500: #2374E1;--iot-primary-600: #1A5CB8;--iot-primary-700: #13458A;--iot-primary-800: #0C2E5C;--iot-primary-900: #061B38;--iot-accent: #E6FFFE;--iot-accent-foreground: #054744;--iot-accent-500: #36CFC9;--iot-accent-600: #2BA8A3;--iot-neutral-0: #FFFFFF;--iot-neutral-50: #F5F7FA;--iot-neutral-100: #F2F4F7;--iot-neutral-200: #E5E8EE;--iot-neutral-300: #CCD1DB;--iot-neutral-400: #98A0B0;--iot-neutral-500: #6B7280;--iot-neutral-600: #4B5565;--iot-neutral-700: #1F2937;--iot-neutral-800: #111827;--iot-neutral-900: #0B1220;--iot-neutral-950: #070B14;--iot-background: #F5F7FA;--iot-foreground: #1F2937;--iot-card: #FFFFFF;--iot-card-foreground: #1F2937;--iot-popover: #FFFFFF;--iot-popover-foreground: #1F2937;--iot-primary-foreground: #FFFFFF;--iot-secondary: #F2F4F7;--iot-secondary-foreground: #111827;--iot-muted: #F2F4F7;--iot-muted-foreground: #6B7280;--iot-subtle-foreground: #86909C;--iot-border: #E5E8EE;--iot-input: #E5E8EE;--iot-ring: #2374E1;--iot-btn-primary-bg: var(--iot-primary-600);--iot-btn-primary-hover: var(--iot-primary-700);--iot-dark-bg: #0B1220;--iot-dark-surface: #0C2E5C;--iot-dark-ink: #F7FAFE;--iot-dark-ink-2: #CCD1DB;--iot-dark-ink-3: #98A0B0;--iot-dark-line: rgba(255, 255, 255, .08);--iot-state-success: #00B42A;--iot-state-warning: #FF7D00;--iot-state-error: #F53F3F;--iot-state-info: #36CFC9}html.dark{color-scheme:dark;--iot-btn-primary-bg: var(--iot-primary-500);--iot-btn-primary-hover: var(--iot-primary-400);--iot-subtle-foreground: #A8ABB3;--iot-background: #121722;--iot-page-gradient: radial-gradient(ellipse 80% 55% at 50% -5%, rgba(22, 93, 255, .1) 0%, transparent 62%), radial-gradient(ellipse 55% 45% at 100% 30%, rgba(139, 92, 246, .07) 0%, transparent 58%), linear-gradient(180deg, #0f141e 0%, #121722 50%, #131620 100%);--iot-section-surface: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(22, 93, 255, .07) 0%, transparent 65%), linear-gradient(180deg, #141a26 0%, #121722 100%);--iot-foreground: #E5E6EB;--iot-card: #1E2533;--iot-card-foreground: #E5E6EB;--iot-popover: #1E2533;--iot-popover-foreground: #E5E6EB;--iot-primary-foreground: #FFFFFF;--iot-secondary: #1A1F2B;--iot-secondary-foreground: #E5E6EB;--iot-muted: #1A1F2B;--iot-muted-foreground: #A8ABB3;--iot-border: #2A3040;--iot-input: #2A3040;--iot-ring: #165DFF;--iot-neutral-0: #121722;--iot-neutral-50: #1A1F2B;--iot-neutral-100: #1E2533;--iot-neutral-200: #2A3040;--iot-neutral-300: #3A4050;--iot-neutral-400: #787B84;--iot-neutral-500: #A8ABB3;--iot-neutral-600: #C9CDD4;--iot-neutral-700: #E5E6EB;--iot-neutral-800: #F2F3F5;--iot-neutral-900: #F7F8FA;--iot-neutral-950: #FFFFFF;--iot-dark-bg: #0A0D14;--iot-dark-surface: #121722;--iot-dark-ink: #F7F8FA;--iot-dark-ink-2: #C9CDD4;--iot-dark-ink-3: #787B84;--iot-dark-line: rgba(255, 255, 255, .06);--iot-shadow-1: 0 1px 2px rgba(0, 0, 0, .2);--iot-shadow-2: 0 2px 6px rgba(0, 0, 0, .3);--iot-shadow-3: 0 4px 16px rgba(0, 0, 0, .4)}html.theme-b.dark{--iot-background: #0F172A;--iot-foreground: #E2E8F0;--iot-card: #1E293B;--iot-card-foreground: #E2E8F0;--iot-popover: #1E293B;--iot-popover-foreground: #E2E8F0;--iot-primary-foreground: #FFFFFF;--iot-secondary: #1A2332;--iot-secondary-foreground: #E2E8F0;--iot-muted: #1A2332;--iot-muted-foreground: #94A3B8;--iot-border: #334155;--iot-input: #334155;--iot-ring: #36CFC9;--iot-neutral-0: #0F172A;--iot-neutral-50: #1A2332;--iot-neutral-100: #1E293B;--iot-neutral-200: #334155;--iot-neutral-300: #475569;--iot-neutral-400: #64748B;--iot-neutral-500: #94A3B8;--iot-neutral-600: #CBD5E1;--iot-neutral-700: #E2E8F0;--iot-neutral-800: #F1F5F9;--iot-neutral-900: #F8FAFC;--iot-neutral-950: #FFFFFF;--iot-dark-bg: #070B14;--iot-dark-surface: #0F172A;--iot-dark-ink: #F8FAFC;--iot-dark-ink-2: #CBD5E1;--iot-dark-ink-3: #64748B;--iot-dark-line: rgba(255, 255, 255, .06);--iot-shadow-1: 0 1px 2px rgba(0, 0, 0, .25);--iot-shadow-2: 0 2px 8px rgba(0, 0, 0, .35);--iot-shadow-3: 0 4px 20px rgba(0, 0, 0, .45)}html{font-family:var(--iot-font-sans);color:var(--iot-foreground);background:var(--iot-page-gradient, var(--iot-background));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-size:15px;line-height:1.7;letter-spacing:.01em}.iot-caption{font-size:13px;line-height:1.6;letter-spacing:.02em;color:var(--iot-subtle-foreground)}h1,h2,h3,h4,.iot-h1,.iot-h2,.iot-h3,.iot-h4{text-wrap:balance;word-break:keep-all;overflow-wrap:break-word}.iot-btn-secondary{height:48px;padding:0 28px;background:var(--iot-card);color:var(--iot-primary-600);border-color:var(--iot-border)}.iot-section-title h2{color:var(--iot-foreground);margin-bottom:var(--iot-space-3)}.iot-section-title p{color:var(--iot-muted-foreground);margin:0}@media (prefers-reduced-motion: reduce){.iot-reveal,.iot-fade-in{transition:none;animation:none;opacity:1;transform:none}}.stat-card{background:var(--iot-card);border:1px solid var(--iot-border);border-radius:var(--iot-radius-xl);padding:var(--iot-space-5);text-align:center;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--iot-shadow-2);border-color:var(--iot-primary-200)}.stat-label{font-size:14px;color:var(--iot-muted-foreground);font-weight:500}.feature-card{background:var(--iot-card);border:1px solid var(--iot-border);border-radius:var(--iot-radius-xl);padding:var(--iot-space-6);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--iot-shadow-3);border-color:var(--iot-primary-200)}.feature-title{font-size:17px;font-weight:600;color:var(--iot-foreground);margin-bottom:var(--iot-space-2)}.feature-desc{font-size:14px;color:var(--iot-muted-foreground);line-height:1.6;margin:0}.bg-background{background:var(--iot-page-gradient, 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.iot-btn-secondary:hover{border-color:var(--iot-primary-300);color:var(--iot-primary-300)}.news-category-tag{display:inline-flex;align-items:center;height:22px;padding:0 8px;font-size:11px;font-weight:500;border-radius:var(--iot-radius-sm);letter-spacing:.02em}.news-cat-company{background:var(--iot-primary-50);color:var(--iot-primary-600)}.news-cat-product{background:#e8f8ee;color:#0b7a3e}html.dark .news-cat-company{background:#0f346040;color:#7ba9d9}html.dark .news-cat-product{background:#00b42a26;color:#4dd077}.news-filter-btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;font-size:14px;font-weight:500;border-radius:999px;border:1px solid var(--iot-border);background:var(--iot-card);color:var(--iot-neutral-600);cursor:pointer;transition:all .2s ease-out}.news-filter-btn:hover{border-color:var(--iot-primary-300);color:var(--iot-primary-500)}.news-filter-btn.active{background:var(--iot-state-warning);border-color:var(--iot-state-warning);color:#fff}.news-filter-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;font-size:12px;font-weight:600;border-radius:999px;background:#0000000f}.news-filter-btn.active .news-filter-count{background:#ffffff40;color:#fff}.news-card-v2{display:flex;flex-direction:column;border-radius:var(--iot-radius-xl);border:1px solid var(--iot-border);background:var(--iot-card);overflow:hidden;transition:box-shadow .2s ease-out,transform .2s ease-out}.news-card-v2:hover{box-shadow:var(--iot-shadow-3);transform:translateY(-2px)}.news-card-cover-link{display:block;overflow:hidden}.news-card-cover{width:100%;height:180px;object-fit:cover;transition:transform .3s ease-out}.news-card-v2:hover 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16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.news-card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}.news-card-views{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--iot-muted-foreground)}.news-hot-rank{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:12px;font-weight:700;flex-shrink:0;margin-top:2px;background:var(--iot-btn-primary-bg);color:#fff}html.dark .news-hot-rank{background:var(--iot-accent-500);color:#fff}.news-hot-topic-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-detail-cover{width:100%;max-height:420px;object-fit:cover;border-radius:var(--iot-radius-lg);margin-bottom:32px}.news-date-badge{position:absolute;top:16px;right:16px;background:var(--iot-btn-primary-bg);color:#fff;font-size:11px;font-weight:600;padding:4px 10px;border-radius:var(--iot-radius-sm);letter-spacing:.03em;z-index:2}.pagination-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--iot-radius-md);border:1px solid var(--iot-border);background:var(--iot-card);color:var(--iot-neutral-600);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease-out;text-decoration:none}.pagination-btn:hover{border-color:var(--iot-primary-300);color:var(--iot-primary-500)}.pagination-btn.active{background:var(--iot-btn-primary-bg);border-color:var(--iot-primary-500);color:#fff}.pagination-btn:focus-visible{outline:2px solid var(--iot-ring);outline-offset:2px}.iot-back-to-top{position:fixed;right:24px;bottom:24px;z-index:40;width:44px;height:44px;border-radius:50%;background:var(--iot-card);border:1px solid var(--iot-neutral-200);color:var(--iot-neutral-700);box-shadow:var(--iot-shadow-3);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .25s ease-out,transform .25s ease-out,background-color .2s ease-out,color .2s ease-out}.iot-container{width:100%;max-width:var(--iot-container);margin-left:auto;margin-right:auto;padding-left:var(--iot-space-5);padding-right:var(--iot-space-5);box-sizing:border-box}.iot-scheme-btn{padding:4px 10px;font-size:12px;font-weight:500;border:none;border-radius:var(--iot-radius-sm);background:transparent;color:var(--iot-muted-foreground);cursor:pointer;transition:all .15s ease;white-space:nowrap}.iot-header-controls{display:inline-flex;align-items:center;gap:8px}@media (max-width: 1024px){.iot-header-controls{display:none}}.iot-header{position:sticky;top:0;z-index:50;background:var(--iot-background);border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease}.iot-dropdown:hover .iot-dropdown-menu,.iot-dropdown.open .iot-dropdown-menu{display:block}.iot-dropdown-item.active{background:var(--iot-primary-50);color:var(--iot-primary-500);font-weight:600}.iot-hero-grid:before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--iot-dark-line) 1px,transparent 1px),linear-gradient(90deg,var(--iot-dark-line) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 30%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 30%,transparent 70%)}.iot-agri-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--iot-primary-800) 0%,var(--iot-primary-600) 40%,var(--iot-primary-500) 100%);color:var(--iot-dark-ink);padding-top:var(--iot-space-9);padding-bottom:var(--iot-space-9)}.iot-agri-hero-pattern{position:absolute;inset:0;pointer-events:none;opacity:.06}.iot-agri-hero-pattern:before{content:"";position:absolute;inset:-50%;background:radial-gradient(ellipse 60px 30px at 20% 30%,currentColor 2px,transparent 2px),radial-gradient(ellipse 50px 25px at 80% 70%,currentColor 1.5px,transparent 1.5px),radial-gradient(ellipse 70px 35px at 50% 10%,currentColor 2px,transparent 2px),radial-gradient(ellipse 55px 28px at 30% 80%,currentColor 1.5px,transparent 1.5px),radial-gradient(ellipse 65px 32px at 70% 40%,currentColor 2px,transparent 2px),radial-gradient(ellipse 45px 22px at 10% 60%,currentColor 1.5px,transparent 1.5px),radial-gradient(ellipse 55px 28px at 90% 20%,currentColor 2px,transparent 2px);background-size:120px 120px,100px 100px,140px 140px,110px 110px,130px 130px,90px 90px,115px 115px;color:var(--iot-dark-ink)}.iot-scenario-card{background:var(--iot-card);border:1px solid var(--iot-border);border-radius:var(--iot-radius-xl);padding:var(--iot-space-6);transition:box-shadow .2s ease,transform .2s ease;display:flex;flex-direction:column;gap:16px}.iot-scenario-card:hover{box-shadow:var(--iot-shadow-3);transform:translateY(-2px)}.iot-scenario-icon{width:48px;height:48px;border-radius:var(--iot-radius-lg);background:var(--iot-primary-50);display:flex;align-items:center;justify-content:center;color:var(--iot-primary-500)}.iot-scenario-card h3{font-size:18px;font-weight:600;color:var(--iot-foreground);margin:0}.iot-scenario-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.iot-scenario-card ul li{font-size:14px;color:var(--iot-neutral-600);padding-left:20px;position:relative;line-height:1.6}.iot-scenario-card ul 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900px){.scenarios-grid{grid-template-columns:1fr}}#section-architecture{background:var(--iot-background)}.arch-layers{display:flex;flex-direction:column;gap:var(--iot-space-4);max-width:800px;margin:0 auto}.arch-layer{background:var(--iot-card);border:1px solid var(--iot-border);border-radius:var(--iot-radius-xl);padding:var(--iot-space-6);position:relative;transition:all .2s ease}.arch-layer:hover{box-shadow:var(--iot-shadow-2);border-color:var(--iot-primary-200)}.arch-layer-header{display:flex;align-items:center;gap:var(--iot-space-4);margin-bottom:var(--iot-space-4)}.arch-layer-icon{width:44px;height:44px;border-radius:var(--iot-radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.arch-layer.perception .arch-layer-icon{background:#e8f5e9;color:#2e7d32}.arch-layer.network .arch-layer-icon{background:#e3f2fd;color:#1565c0}.arch-layer.platform .arch-layer-icon{background:#fff3e0;color:#e65100}.arch-layer.application 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ease}.product-card:hover{box-shadow:var(--iot-shadow-3);transform:translateY(-4px)}.product-badge{display:inline-block;padding:4px 10px;font-size:12px;font-weight:500;background:var(--iot-primary-50);color:var(--iot-primary-500);border-radius:var(--iot-radius-sm);margin-bottom:var(--iot-space-4)}.product-name{font-size:18px;font-weight:600;color:var(--iot-card-foreground);margin-bottom:var(--iot-space-3)}.product-model{font-size:13px;color:var(--iot-muted-foreground);margin-bottom:var(--iot-space-5);font-family:var(--iot-font-mono)}.product-features{display:flex;flex-wrap:wrap;gap:8px}.product-feature{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:12px;background:var(--iot-secondary);color:var(--iot-secondary-foreground);border-radius:var(--iot-radius-sm)}@media (max-width: 900px){.products-grid{grid-template-columns:1fr}}#section-case{background:var(--iot-background)}.case-card{background:var(--iot-card);border:1px solid var(--iot-border);border-radius:var(--iot-radius-xl);overflow:hidden;box-shadow:var(--iot-shadow-1)}.case-header{background:var(--hero-gradient);padding:var(--iot-space-7) var(--iot-space-7) var(--iot-space-6);color:var(--iot-dark-ink)}.case-badge{display:inline-block;padding:4px 12px;font-size:12px;font-weight:500;background:#fff3;color:var(--iot-dark-ink);border-radius:var(--iot-radius-sm);margin-bottom:var(--iot-space-4)}.case-title{font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.3;margin-bottom:var(--iot-space-3)}.case-desc{font-size:15px;line-height:1.7;color:var(--iot-dark-ink-2);max-width:600px}.case-metrics{display:grid;grid-template-columns:repeat(3,1fr);padding:var(--iot-space-7);gap:var(--iot-space-6)}.case-metric{text-align:center;padding:var(--iot-space-5);background:var(--iot-neutral-50);border-radius:var(--iot-radius-lg)}.case-metric-value{font-size:clamp(24px,2.5vw,32px);font-weight:700;color:var(--iot-primary-500);margin-bottom:var(--iot-space-2)}.case-metric-label{font-size:14px;color:var(--iot-muted-foreground)}@media (max-width: 640px){.case-header{padding:var(--iot-space-6) var(--iot-space-5)}.case-metrics{grid-template-columns:1fr;padding:var(--iot-space-5);gap:var(--iot-space-3)}.case-metric{padding:var(--iot-space-4)}}#section-cta{background:var(--cta-gradient);color:var(--iot-dark-ink);text-align:center;padding:var(--iot-space-9) 0;position:relative;overflow:hidden}.cta-content{position:relative;z-index:2;max-width:600px;margin:0 auto}.cta-title{font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.2;letter-spacing:-.01em;margin-bottom:var(--iot-space-4)}.cta-subtitle{font-size:16px;line-height:1.7;color:var(--iot-dark-ink-2);margin-bottom:var(--iot-space-7)}.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;background:var(--iot-dark-ink);color:var(--iot-primary-700);font-size:15px;font-weight:600;text-decoration:none;border-radius:var(--iot-radius-lg);transition:all .2s ease}.cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0003}.site-footer{background:var(--iot-dark-bg);color:var(--iot-dark-ink);padding:var(--iot-space-8) 0 var(--iot-space-6)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--iot-space-7);margin-bottom:var(--iot-space-7)}.footer-brand p{font-size:14px;line-height:1.7;color:var(--iot-dark-ink-3);margin-top:var(--iot-space-4);max-width:280px}.footer-col h4{font-size:14px;font-weight:600;color:var(--iot-dark-ink);margin-bottom:var(--iot-space-4)}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{margin-bottom:10px}.footer-col a{font-size:13px;color:var(--iot-dark-ink-3);text-decoration:none;transition:color .15s ease}.footer-col a:hover{color:var(--iot-dark-ink)}.footer-bottom{padding-top:var(--iot-space-5);border-top:1px solid var(--iot-dark-line);text-align:center;font-size:12px;color:var(--iot-dark-ink-3)}@media (max-width: 768px){.footer-grid{grid-template-columns:1fr 1fr;gap:var(--iot-space-6)}.footer-brand{grid-column:1 / 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ease}.arch-layer:hover{transform:translateY(-2px);box-shadow:var(--iot-shadow-2)}.arch-layer-title{font-weight:600;font-size:16px;color:var(--iot-primary-600);margin-bottom:var(--iot-space-3)}.arch-layer-items{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.arch-layer-item{font-size:13px;padding:4px 10px;background:var(--iot-neutral-50);border-radius:var(--iot-radius-sm);color:var(--iot-muted-foreground)}html.dark .arch-layer-item{background:var(--iot-neutral-100)}.arch-arrow{display:flex;align-items:center;justify-content:center;color:var(--iot-primary-500)}@media (max-width: 1023px){.arch-arrow{transform:rotate(90deg);padding:12px 0}}.product-card{background:var(--iot-card);border:1px solid var(--iot-border);border-radius:var(--iot-radius-xl);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.product-card:hover{transform:translateY(-6px);box-shadow:var(--iot-shadow-3);border-color:var(--iot-primary-300)}.product-image{aspect-ratio:4/3;background:var(--iot-neutral-100);display:flex;align-items:center;justify-content:center;color:var(--iot-neutral-400)}html.dark .product-image{background:var(--iot-neutral-100)}.product-body{padding:var(--iot-space-5)}.product-model{font-weight:600;font-size:16px;margin-bottom:var(--iot-space-2);color:var(--iot-foreground)}.product-specs{list-style:none;margin-bottom:var(--iot-space-4)}.product-specs li{font-size:13px;color:var(--iot-muted-foreground);padding:3px 0;display:flex;align-items:center;gap:6px}.product-specs li:before{content:"";width:4px;height:4px;border-radius:50%;background:var(--iot-btn-primary-bg);flex-shrink:0}.product-link{font-size:14px;font-weight:500;color:var(--iot-primary-500);text-decoration:none;display:inline-flex;align-items:center;gap:4px;transition:gap .2s 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(max-width: 768px){.iot-container{padding-left:var(--iot-space-4);padding-right:var(--iot-space-4)}}.iot-section{padding-top:var(--iot-space-9);padding-bottom:var(--iot-space-9)}@media (max-width: 768px){.iot-section{padding-top:var(--iot-space-7);padding-bottom:var(--iot-space-7)}}.iot-surface{background:var(--iot-neutral-50)}.iot-dark-section{background:var(--iot-dark-bg);color:var(--iot-dark-ink)}.iot-fade-in{animation:iotFadeIn .4s ease-out forwards}@keyframes iotFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.iot-page-header{position:sticky;top:0;left:0;right:0;z-index:50;height:var(--iot-header-height);display:flex;align-items:center;transition:box-shadow .25s ease-out,border-color .25s ease-out;background:var(--iot-background);border-bottom:1px solid var(--iot-border)}.iot-page-header.scrolled{box-shadow:var(--iot-shadow-2)}.iot-header-controls{display:flex;align-items:center;gap:8px}html.dark .iot-page-header 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a:hover{background:var(--iot-primary-700);color:var(--iot-primary-foreground)}.iot-mobile-menu{position:absolute;top:var(--iot-header-height);left:0;right:0;background:var(--iot-background);border-bottom:1px solid var(--iot-border);box-shadow:var(--iot-shadow-3);padding:16px;display:flex;flex-direction:column;gap:8px;transform-origin:top;transform:scaleY(0);opacity:0;pointer-events:none;transition:transform .25s ease-out,opacity .25s ease-out}.iot-mobile-menu .nav-link{padding:12px 16px;border-radius:var(--iot-radius-md);color:var(--iot-foreground);font-size:14px;font-weight:500;text-decoration:none}html.dark .iot-mobile-menu .nav-link.active{background:var(--iot-primary-700);color:var(--iot-primary-foreground)}.iot-mobile-menu .nav-dropdown-mobile{display:flex;flex-direction:column}.iot-mobile-menu .nav-dropdown-mobile>.nav-link{display:flex;align-items:center;justify-content:space-between}.iot-mobile-menu 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60px}.map-pin{position:absolute;top:50%;left:50%;transform:translate(-50%,-100%);width:48px;height:48px;background:var(--iot-btn-primary-bg);border-radius:50% 50% 50% 0;transform:translate(-50%,-100%) rotate(-45deg);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #0f34604d}.map-pin i{transform:rotate(45deg);color:var(--iot-primary-foreground)}.map-overlay-card{position:absolute;bottom:32px;left:50%;transform:translate(-50%);background:var(--iot-card);padding:24px 32px;border-radius:var(--iot-radius-xl);box-shadow:var(--iot-shadow-3);display:flex;gap:48px;align-items:center;max-width:90%}.map-overlay-item{display:flex;align-items:flex-start;gap:12px}.map-overlay-item i{color:var(--iot-primary-500);flex-shrink:0;margin-top:2px}.map-overlay-item .label{font-size:12px;color:var(--iot-muted-foreground);margin-bottom:4px}.map-overlay-item .value{font-size:14px;font-weight:500;color:var(--iot-card-foreground)}.cta-section{padding:var(--iot-space-8) 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16px;font-size:13px}.iot-card{background:var(--iot-card);border-radius:var(--iot-radius-lg);box-shadow:var(--iot-shadow-2);transition:transform .25s ease-out,box-shadow .25s ease-out}.iot-card:hover{transform:translateY(-4px);box-shadow:var(--iot-shadow-3)}.iot-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;font-size:12px;font-weight:500;border-radius:var(--iot-radius-sm);background:var(--iot-primary-50);color:var(--iot-primary-600)}.iot-tab-btn{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 20px;font-size:14px;font-weight:500;border-radius:var(--iot-radius-md);border:1px solid var(--iot-border);background:var(--iot-card);color:var(--iot-neutral-600);cursor:pointer;transition:all .2s ease-out}.iot-tab-btn:hover{border-color:var(--iot-primary-300);color:var(--iot-primary-500)}.iot-tab-btn.active{background:var(--iot-btn-primary-bg);border-color:var(--iot-primary-500);color:#fff}.iot-tab-btn:focus-visible{outline:2px solid 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var(--iot-ring);outline-offset:2px}.iot-theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--iot-radius-md);border:1px solid var(--iot-border);background:transparent;color:var(--iot-foreground);cursor:pointer;transition:background .15s ease,border-color .15s ease;font-size:18px;line-height:1}.iot-theme-toggle:hover{background:var(--iot-secondary);border-color:var(--iot-neutral-300)}.iot-product-img{aspect-ratio:4/3;background:var(--iot-secondary);border-radius:var(--iot-radius-md);display:flex;align-items:center;justify-content:center;color:var(--iot-muted-foreground);font-size:13px;overflow:hidden}.iot-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--iot-radius-lg);border:1px solid var(--iot-border)}.iot-compare-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14px}.iot-compare-table thead th{background:var(--iot-btn-primary-bg);color:#fff;padding:14px 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60px;pointer-events:none}.iot-dev-code-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}.iot-dev-code-bg:before{content:"{ } [ ] // &lt; &gt; &amp; &amp; #include &lt;iot.h&gt; fn main() async await .then() =&gt; { } const let var import export class struct enum interface type def return yield";position:absolute;inset:0;font-family:var(--iot-font-mono);font-size:13px;line-height:2.2;color:#165dff14;white-space:pre-wrap;word-break:break-all;padding:40px;transform:rotate(-5deg) scale(1.3);user-select:none}.iot-step-card{position:relative;background:var(--iot-card);border-radius:var(--iot-radius-xl);box-shadow:var(--iot-shadow-2);padding:32px 24px;text-align:center;transition:transform .25s ease-out,box-shadow .25s ease-out;border:1px solid var(--iot-border);overflow:hidden}.iot-step-card:hover{transform:translateY(-4px);box-shadow:var(--iot-shadow-3);border-color:var(--iot-accent-500)}.iot-step-card .iot-step-number{position:absolute;top:12px;right:16px;font-family:var(--iot-font-mono);font-size:48px;font-weight:700;color:var(--iot-accent-500);opacity:.08;line-height:1;pointer-events:none}.iot-step-card .iot-step-icon{width:64px;height:64px;border-radius:var(--iot-radius-lg);background:var(--iot-accent);color:var(--iot-accent-500);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;transition:transform .25s ease-out}.iot-step-card:hover .iot-step-icon{transform:scale(1.08)}.iot-resource-card{display:flex;align-items:flex-start;gap:24px;background:var(--iot-card);border-radius:var(--iot-radius-xl);box-shadow:var(--iot-shadow-2);padding:32px;transition:transform .25s ease-out,box-shadow .25s ease-out;border:1px solid var(--iot-border)}.iot-resource-card:hover{transform:translateY(-4px);box-shadow:var(--iot-shadow-3);border-color:var(--iot-accent-500)}.iot-resource-icon{width:64px;height:64px;border-radius:var(--iot-radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.iot-badge{display:inline-flex;align-items:center;height:28px;padding:0 12px;font-size:12px;font-weight:600;font-family:var(--iot-font-mono);border-radius:var(--iot-radius-sm);background:var(--iot-accent);color:var(--iot-accent-500)}.iot-code-block{max-width:800px;margin:0 auto;background:#0d1117;border-radius:var(--iot-radius-xl);overflow:hidden;box-shadow:0 8px 32px #0006;border:1px solid rgba(255,255,255,.08)}.iot-code-header{display:flex;align-items:center;gap:12px;padding:14px 20px;background:#ffffff0a;border-bottom:1px solid rgba(255,255,255,.06)}.iot-code-dots{display:flex;gap:6px}.iot-code-dots span{width:10px;height:10px;border-radius:50%}.iot-code-dots span:nth-child(1){background:#ff5f56}.iot-code-dots span:nth-child(2){background:#ffbd2e}.iot-code-dots span:nth-child(3){background:#27c93f}.iot-code-tag{font-family:var(--iot-font-mono);font-size:11px;font-weight:700;padding:2px 8px;border-radius:3px;background:#165dff33;color:var(--iot-accent-500);text-transform:uppercase}.iot-code-path{font-family:var(--iot-font-mono);font-size:13px;color:#ffffffb3}.iot-code-body{padding:20px;margin:0;overflow-x:auto;font-family:var(--iot-font-mono);font-size:13px;line-height:1.8;color:#e6edf3}.iot-code-body code{display:block;white-space:pre}.iot-code-comment{color:#8b949e}.iot-code-keyword{color:#ff7b72}.iot-code-string{color:#a5d6ff}.iot-code-number{color:#79c0ff}.iot-doc-card{background:var(--iot-card);border-radius:var(--iot-radius-xl);box-shadow:var(--iot-shadow-2);padding:32px;transition:transform .25s ease-out,box-shadow .25s ease-out;border:1px solid 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