:root{--brand: #0453F3;--brand-dark: #0340c2;--brand-light: #2B7BFF;--brand-grad: #6B5CFF;--brand-soft: #eaf1ff;--link: #0453F3;--ink: #222;--ink-2: #333;--muted: #666;--muted-2: #999;--line: #eee;--line-soft: #e8eaef;--surface: #fff;--bg: #f5f7fb;--bg-soft: #f7f8fc;--bg-search: #f5f5f5;--dark: #161B2D;--dark-2: #0f172a;--cta-red: #E60012;--gold-a: #ffe9a8;--gold-b: #f5c451;--gold-text: #7a5600;--danger: #b42318;--success: #027a48;--shadow: 0 8px 24px rgba(0, 0, 0, .06);--shadow-card: 0 12px 32px rgba(0, 0, 0, .08);--shadow-float: 0 12px 40px rgba(0, 0, 0, .08);--radius: 12px;--header-h: 66px;--serif: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;font-size:14px}body{margin:0;font-family:var(--font);font-size:14px;color:var(--ink);background:#fff;min-height:100vh;line-height:1.6;padding-bottom:64px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;display:block}a{color:var(--brand);text-decoration:none;transition:color .2s ease}a:hover{color:var(--brand-dark)}button,input,textarea,select{font:inherit}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.site-shell{min-height:100vh;display:flex;flex-direction:column}.site-main{flex:1}.muted{color:var(--muted)}.top-promo{position:relative;background:linear-gradient(90deg,#0340c2,#0453f3 42%,#2b7bff);color:#fff;text-align:center;font-size:13px;padding:8px 44px}.top-promo-inner a{color:var(--gold-a);margin-left:8px;font-weight:600;text-decoration:underline;text-underline-offset:3px}.top-promo-inner a:hover{color:#fff}.top-promo-close{position:absolute;right:14px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:#ffffffd9;font-size:1.25rem;cursor:pointer;line-height:1;padding:4px 8px}.top-promo-close:hover{color:#fff}.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #eee}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:var(--header-h)}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand);font-size:16px;font-weight:700;flex-shrink:0}.brand:hover{color:var(--brand)}.brand-logo{height:44px;width:auto;max-width:min(220px,52vw);object-fit:contain;display:block}.brand-fallback{display:none;align-items:baseline;gap:6px;line-height:1.1}.brand-fallback.is-visible{display:inline-flex}.brand-fallback strong{letter-spacing:.06em;font-size:13px}.brand-fallback span{font-size:15px;color:var(--ink)}.nav-desktop{display:flex;align-items:center;gap:2px;flex:1;justify-content:flex-start;min-width:0}.nav-link{color:#333;padding:8px 12px;border-radius:6px;font-weight:400;font-size:14px;white-space:nowrap}.nav-link:hover{background:transparent;color:#0453f3}.nav-item{position:relative}.nav-item .caret{display:inline-block;width:0;height:0;margin-left:4px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;vertical-align:middle;opacity:.45}.nav-dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:180px;background:#fff;border:1px solid #eee;border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease}.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:none}.nav-dropdown a{display:block;padding:10px 12px;border-radius:8px;color:#333;font-size:14px;font-weight:400}.nav-dropdown a:hover{background:var(--brand-soft);color:var(--brand)}.header-search{display:flex;align-items:center;width:min(220px,22vw);height:36px;border:0;border-radius:999px;background:#f5f5f5;overflow:hidden;flex-shrink:0;transition:background .2s ease,box-shadow .2s ease}.header-search:focus-within{background:#f8f8f8;box-shadow:0 0 0 1px #0453f32e}.header-search-input{flex:1;min-width:0;border:0;background:transparent;padding:0 14px;outline:none;color:#333;font-size:13px}.header-search-input::placeholder{color:#999}.header-search-btn{width:36px;height:36px;border:0;background:transparent;color:#999;cursor:pointer;display:grid;place-items:center;flex-shrink:0}.header-search-btn:hover{color:var(--brand)}.header-search-mobile{width:100%;margin-bottom:8px}.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.member-pill{display:inline-flex;align-items:center;justify-content:center;padding:6px 14px;border-radius:999px;background:linear-gradient(90deg,#ffe9a8,#f5c451);color:#7a5600!important;font-weight:700;font-size:13px;white-space:nowrap;line-height:1.4}.member-pill:hover{color:#5c4000!important;filter:brightness(.98)}.auth-text{color:#333;font-weight:400;font-size:14px;background:none;border:0;cursor:pointer;padding:0}.auth-text:hover{color:#0453f3}.auth-sep{color:#ccc;font-size:12px;-webkit-user-select:none;user-select:none}.free-badge{display:inline-flex;align-items:center;padding:1px 6px;border-radius:3px;background:#12b76a;color:#fff;font-size:10px;font-weight:700;line-height:1.4;margin-left:2px;transform:translateY(-6px);white-space:nowrap}.btn-text{background:none;border:0;cursor:pointer;padding:0}.inline-form{display:inline}.nav-toggle{display:none;width:40px;height:40px;border:1px solid #eee;border-radius:10px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}.nav-toggle span{display:block;width:18px;height:2px;background:#333;transition:.2s ease}.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.is-open span:nth-child(2){opacity:0}.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-mobile{border-top:1px solid #eee;background:#fff}.nav-mobile-inner{display:flex;flex-direction:column;padding:12px 20px 24px;gap:4px}.nav-mobile a{color:#333;padding:12px 8px;border-radius:8px;font-weight:400;font-size:14px}.nav-mobile a.nav-sub{padding-left:20px;color:#666;font-weight:400}.nav-mobile-member{margin-top:12px;padding-top:12px;border-top:1px solid #eee;display:grid;gap:10px}.breadcrumb-bar{padding:12px 0;border-bottom:1px solid #f0f2f6;background:#fafbfd}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:#999;font-size:13px}.breadcrumb a{color:#666}.breadcrumb a:hover{color:var(--brand)}.breadcrumb 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#0453F3;border-radius:999px;font-weight:700}.btn-outline-blue:hover{background:var(--brand-soft);color:#0453f3!important}.btn-outline-light{background:transparent;color:#fff!important;border-color:#ffffff8c}.btn-outline-light:hover{background:#ffffff1f;color:#fff!important}.btn-ghost{background:transparent;color:#333!important;border-color:#eee}.btn-gradient{background:linear-gradient(90deg,#0453f3,#6b5cff);border:0;border-radius:999px;box-shadow:0 8px 20px #0453f347;color:#fff!important;font-weight:700}.btn-gradient:hover{background:linear-gradient(90deg,#0340c2,#5a4ae8);filter:brightness(1.03);color:#fff!important}.btn-hero{min-width:148px;padding:12px 28px;font-size:15px}.btn-hero span{margin-left:2px;font-weight:400}.btn-sm{padding:7px 14px;font-size:13px}.btn-lg{padding:14px 28px;font-size:15px}.btn-block{width:100%}.btn-pill{border-radius:999px}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.stack-form label,.cs-form label,.form-card label{display:block;margin:0 0 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#00000029}.intent-pill.is-active:hover{color:#fff;filter:brightness(1.08)}.hero-stage{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(ellipse 55% 48% at 18% 38%,rgba(186,200,255,.55),transparent 70%),radial-gradient(ellipse 48% 42% at 82% 28%,rgba(255,186,220,.42),transparent 65%),radial-gradient(ellipse 42% 38% at 52% 78%,rgba(210,195,255,.38),transparent 60%),radial-gradient(ellipse 40% 35% at 50% 20%,rgba(200,220,255,.3),transparent 55%),linear-gradient(180deg,#eef3ff,#f6f4ff 48%,#fff)}.hero-stage-bg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 12% 70%,rgba(4,83,243,.08),transparent 35%),radial-gradient(circle at 88% 65%,rgba(245,160,200,.12),transparent 32%)}.hero-stage-inner{position:relative;z-index:1;min-height:520px;display:flex;align-items:center;justify-content:center}.hero-float-layer{position:absolute;inset:0;pointer-events:none}.float-item{position:absolute;width:148px;aspect-ratio:1;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 12px 40px #00000014;border:1px solid rgba(255,255,255,.9);padding:12px;pointer-events:auto;animation:floatY 5.5s ease-in-out infinite;animation-delay:calc(var(--d, 0) * .35s);transition:transform .25s ease,box-shadow .25s ease}.float-item:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 16px 48px #0000001f;z-index:3}.float-item img{width:100%;height:100%;object-fit:contain;object-position:center}.float-item-empty{background:linear-gradient(145deg,#e8eefc,#f4f0ff);border:1px dashed rgba(4,83,243,.2);pointer-events:none}.float-item-1{left:2%;top:8%;width:158px;transform:rotate(-7deg)}.float-item-2{right:3%;top:6%;width:168px;transform:rotate(6deg)}.float-item-3{left:6%;bottom:10%;width:148px;transform:rotate(5deg)}.float-item-4{right:5%;bottom:12%;width:160px;transform:rotate(-5deg)}.float-item-5{left:18%;top:42%;width:128px;transform:rotate(-4deg);opacity:.96}.float-item-6{right:16%;top:44%;width:136px;transform:rotate(4deg);opacity:.96}.hero-center{position:relative;z-index:2;text-align:center;max-width:640px;padding:40px 20px}.hero-title-box{display:inline-flex;padding:5px 16px;border:1px dashed #0453F3;border-radius:4px;color:#0453f3;font-size:13px;font-weight:600;margin-bottom:18px;background:#ffffffa6;letter-spacing:.02em}.hero-headline{margin:0 0 14px;font-size:clamp(1.85rem,3.6vw,2.75rem);line-height:1.2;font-weight:800;letter-spacing:-.03em;color:#111}.hero-pipes{margin:0 0 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img{width:28px;height:28px;border-radius:50%;background:#fff;object-fit:cover}body:has(.pdp-buybar){padding-bottom:72px}body:has(.bottom-cta:not([hidden])){padding-bottom:64px}@media(max-width:1100px){.support-tiles{grid-template-columns:repeat(3,1fr)}.contact-channels{grid-template-columns:repeat(2,1fr)}.order-wizard,.capability-hero,.case-detail-hero,.login-page-layout,.support-split,.pdp{grid-template-columns:1fr}}@media(max-width:980px){.mini-steps{grid-template-columns:repeat(2,1fr)}.form-grid-2{grid-template-columns:1fr}.pdp-buybar{display:block}}@media(max-width:640px){.support-tiles,.contact-channels,.mini-steps{grid-template-columns:1fr}.cs-mobile-fab{display:inline-flex}.cs-rail{display:none!important}.login-page-aside{padding:24px 20px}body{padding-bottom:88px}}.stack-form label{display:block;margin:0 0 6px;font-size:.9rem;font-weight:600;color:#333}.stack-form input[type=text],.stack-form input[type=tel],.stack-form input[type=email],.stack-form 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label{display:block;margin-bottom:6px;font-size:.86rem;font-weight:600;color:#445}.pdp-order-fields input[type=text],.pdp-order-fields input[type=number]{width:100%;padding:11px 12px;border:1px solid #e5e7eb;border-radius:10px;font:inherit}.qty-control{display:inline-flex;align-items:stretch;width:100%;border:1px solid #e5e7eb;border-radius:10px;overflow:hidden;background:#fff}.qty-control input{border:0!important;border-radius:0!important;text-align:center;margin:0!important;min-width:0;flex:1;-moz-appearance:textfield}.qty-control input::-webkit-outer-spin-button,.qty-control input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.qty-btn{width:42px;border:0;background:#f3f5fb;color:#223;font-size:1.15rem;font-weight:700;cursor:pointer}.qty-btn:hover{background:var(--brand-soft);color:var(--brand)}.faq-item summary{position:relative;padding-right:36px}.faq-item summary:after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--brand);font-weight:700;font-size:1.1rem}.faq-item[open] summary:after{content:"−"}.flash{margin:16px 0 0;padding:12px 16px;border-radius:12px;font-size:.92rem}.flash-success{background:#ecfdf3;color:#027a48;border:1px solid #abefc6}.flash-error{background:#fef2f2;color:#b42318;border:1px solid #fecdca}.form-msg{margin:8px 0 12px;font-size:.88rem}.form-msg.is-ok{color:#027a48}.form-msg.is-error{color:#b42318}.products-page .empty-state,.product-grid>.empty-state{grid-column:1 / -1}.empty-state{display:grid;place-items:center;gap:8px;min-height:180px;border-radius:16px;border:1px dashed #dbe1ef;background:#fafbff}.empty-state .btn{margin-top:4px}.order-item:hover{border-color:#0453f347;box-shadow:0 8px 20px #0f172a0f;transform:translateY(-1px)}.member-nav a{border-radius:10px;transition:.15s ease}.download-row:hover{border-color:#0453f340}.channel-card:hover,.support-tile:hover,.mini-step:hover{box-shadow:0 10px 28px #0f172a12}.cs-panel{border-radius:18px;overflow:hidden;box-shadow:0 18px 50px #0f172a38}.cs-msg.user{background:linear-gradient(90deg,#0453f3,#6b5cff);color:#fff}.login-modal-aside{position:relative;overflow:hidden}.login-modal-aside:after{content:"";position:absolute;inset:auto -20% -30% auto;width:220px;height:220px;border-radius:50%;background:#ffffff14}@media(max-width:980px){.pdp-order-fields{grid-template-columns:1fr}}.login-aside-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:10px}.login-aside-list li{position:relative;padding-left:18px;color:#ffffffe6;font-size:.9rem;line-height:1.5}.login-aside-list li:before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:#ffd56a}.cta-band{margin-top:40px;border-radius:20px;overflow:hidden;background:linear-gradient(120deg,#0453f3,#6b5cff);color:#fff}.cta-band-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:28px 32px}.cta-band h2{margin:0 0 8px;color:#fff;font-size:1.35rem}.cta-band p{margin:0;color:#ffffffe0}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}.cs-external-link{display:inline-flex;margin:0 0 12px;width:100%}