:root{--ink:#0b1f35;--muted:#5e7085;--line:#d8e3ec;--surface:#fff;--surface-soft:#f1f8fb;--brand:#05aee8;--brand-dark:#087eb8;--accent:#21d2bd;--navy:#07182e;--shadow:0 24px 70px #08355621;--radius-lg:28px;--radius-md:18px;--container:1160px}*{box-sizing:border-box}html{color-scheme:light;scroll-behavior:smooth}body{color:var(--ink);background:var(--surface);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;line-height:1.7}img{max-width:100%;height:auto;display:block}a{color:var(--brand-dark);text-underline-offset:.18em;text-decoration-thickness:.08em}a:hover{color:var(--brand)}button,a,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline-offset:3px;outline:3px solid #2563eb6b}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.025em;line-height:1.18}h1{margin-bottom:24px;font-size:clamp(2.45rem,6vw,5rem)}h2{margin-bottom:18px;font-size:clamp(1.8rem,3.5vw,3rem)}h3{margin-bottom:12px;font-size:1.2rem}.container{width:min(calc(100% - 40px), var(--container));margin-inline:auto}.narrow{max-width:820px}.skip-link{z-index:100;color:#fff;background:var(--ink);border-radius:10px;padding:10px 16px;position:fixed;top:12px;left:12px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{z-index:20;backdrop-filter:blur(16px);background:#ffffffeb;border-bottom:1px solid #dce3eecc;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:74px;display:flex}.brand{color:var(--ink);align-items:center;gap:11px;font-weight:780;text-decoration:none;display:inline-flex}.brand-icon{border-radius:11px;width:42px;height:42px;box-shadow:0 8px 22px #05aee833}.brand-copy{line-height:1.05;display:grid}.brand-copy strong{font-size:.98rem}.site-header .brand-copy strong{font-size:1.1rem}.brand-copy small{color:#789;letter-spacing:.14em;margin-top:5px;font-size:.67rem;font-weight:700}.brand-mark{color:#fff;background:linear-gradient(140deg, var(--brand), var(--accent));border-radius:11px;place-items:center;width:36px;height:36px;display:grid;box-shadow:0 9px 22px #2563eb38}.desktop-nav{align-items:center;gap:4px;display:flex}.nav-link{color:#4a556b;border-radius:10px;padding:9px 13px;font-size:1.05rem;font-weight:650;text-decoration:none}.nav-link:hover,.nav-link.active{color:var(--brand-dark);background:#edf3ff}.mobile-menu{display:none;position:relative}.mobile-menu summary{cursor:pointer;border:1px solid var(--line);border-radius:12px;place-content:center;gap:5px;width:44px;height:44px;list-style:none;display:grid}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{background:var(--ink);border-radius:3px;width:20px;height:2px}.mobile-menu nav{border:1px solid var(--line);width:min(300px,100vw - 40px);box-shadow:var(--shadow);background:#fff;border-radius:16px;padding:10px;display:grid;position:absolute;top:54px;right:0}.hero{background:radial-gradient(circle at 82% 16%,#21d2bd29,#0000 26%),radial-gradient(circle at 8% 90%,#05aee821,#0000 32%),linear-gradient(#f4fbff 0%,#fff 100%);padding:68px 0;position:relative;overflow:hidden}.hero:before{pointer-events:none;content:"";background-image:linear-gradient(#2563eb0a 1px,#0000 1px),linear-gradient(90deg,#2563eb0a 1px,#0000 1px);background-size:44px 44px;position:absolute;inset:0;mask-image:linear-gradient(#000,#0000 82%)}.hero-grid{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);align-items:center;gap:clamp(32px,4vw,56px);display:grid;position:relative}.eyebrow{color:var(--brand-dark);letter-spacing:.12em;text-transform:uppercase;margin-bottom:15px;font-size:.78rem;font-weight:800;display:inline-block}.lead{color:#536078;max-width:760px;margin-bottom:30px;font-size:clamp(1.08rem,2vw,1.27rem)}.button-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.button{border:1px solid #0000;border-radius:13px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:11px 20px;font-weight:760;text-decoration:none;transition:transform .16s,box-shadow .16s,background .16s;display:inline-flex}.button-icon{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;flex:0 0 19px;width:19px;height:19px}.button:hover{transform:translateY(-2px)}.button-primary{color:#fff;background:var(--brand);box-shadow:0 13px 30px #2563eb38}.button-primary:hover{color:#fff;background:var(--brand-dark)}.button-secondary{color:var(--ink);border-color:var(--line);background:#fff}.button-light{color:var(--brand-dark);background:#fff}.button-disabled{color:#7d8797;border-color:var(--line);cursor:not-allowed;background:#edf0f5}.button-disabled:hover{transform:none}.platform-list{flex-wrap:wrap;gap:8px;margin:28px 0 0;padding:0;list-style:none;display:flex}.platform-list li,.status-badge{color:#4e5d75;border:1px solid var(--line);background:#ffffffb8;border-radius:999px;padding:6px 11px;font-size:.83rem;font-weight:680}.hero-panel{border-radius:var(--radius-lg);box-shadow:var(--shadow);background:#ffffffdb;border:1px solid #ffffffd1;overflow:hidden;transform:rotate(1.4deg)}.hero-panel-top{color:#6a7486;border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:15px 18px;font-size:.84rem;font-weight:680;display:flex}.window-dots{gap:6px;display:flex}.window-dots i{background:#bec7d5;border-radius:50%;width:8px;height:8px}.hero-panel-body{text-align:center;background:linear-gradient(145deg,#edf3ffcc,#ebfcf8b8);place-content:center;justify-items:center;min-height:410px;padding:54px;display:grid}.hero-icon,.download-icon{color:#fff;background:linear-gradient(145deg, var(--brand), var(--accent));border-radius:25px;place-items:center;width:88px;height:88px;margin-bottom:20px;font-size:2.5rem;font-weight:830;display:grid;box-shadow:0 20px 40px #2563eb33}.hero-panel-body strong{font-size:1.5rem}.hero-panel-body p{max-width:290px;color:var(--muted)}.mock-lines{gap:8px;width:min(250px,100%);display:grid}.mock-lines i{background:#dbe5f6;border-radius:99px;height:9px}.mock-lines i:nth-child(2){width:72%}.mock-lines i:nth-child(3){width:88%}.section{padding:60px 0}.section-tint{background:var(--surface-soft)}.section-heading{max-width:760px;margin-bottom:40px}.section-heading p{color:var(--muted)}.heading-row{justify-content:space-between;align-items:end;gap:40px;max-width:none;display:flex}.heading-row>p{max-width:420px}.section-heading-center{text-align:center;margin-inline:auto}.title-accent{color:var(--brand-dark)}.feature-grid,.path-grid,.screenshot-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.feature-card,.path-card,.screenshot-card,.info-panel,.help-card{border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;padding:26px}.feature-card p,.path-card p,.help-card p{color:var(--muted)}.feature-index,.path-card>span,.step-number{color:var(--brand);letter-spacing:.1em;margin-bottom:30px;font-size:.83rem;font-weight:820;display:inline-block}.path-card{color:var(--ink);text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s}.path-card:hover{color:var(--ink);box-shadow:var(--shadow);border-color:#aac0eb;transform:translateY(-4px)}.path-card strong{color:var(--brand-dark);font-size:.9rem}.screenshot-card{margin:0;padding:10px;overflow:hidden}.screenshot-card img,.asset-placeholder{aspect-ratio:16/10;object-fit:cover;border-radius:12px;width:100%}.screenshot-card figcaption{color:var(--muted);text-align:center;padding:12px 7px 5px;font-size:.88rem}.asset-placeholder{color:#6a7890;background:linear-gradient(135deg,#2563eb14,#18a99914),repeating-linear-gradient(135deg,#0000 0 18px,#2563eb09 18px 19px);border:1px dashed #b7c5da;place-content:center;justify-items:center;font-size:.87rem;font-weight:700;display:grid;position:relative}.placeholder-number{color:#2563eb57;font-size:clamp(2.5rem,6vw,4.5rem);font-weight:860;line-height:1}.callout{color:#fff;background:radial-gradient(circle at 80% 20%, #ffffff29, transparent 22%), linear-gradient(135deg, var(--brand-dark), var(--brand) 62%, var(--accent));border-radius:var(--radius-lg);box-shadow:var(--shadow);justify-content:space-between;align-items:center;gap:30px;padding:clamp(30px,5vw,54px);display:flex}.callout h2{margin-bottom:10px}.callout p,.callout .eyebrow{color:#ffffffc7}.page-hero{border-bottom:1px solid var(--line);background:radial-gradient(circle at 76% 12%,#18a9991f,#0000 28%),#f8fbff;padding:68px 0 58px}.page-hero h1{margin-bottom:18px;font-size:clamp(2.3rem,5vw,4.15rem)}.breadcrumbs{margin-bottom:34px}.breadcrumbs ol{color:var(--muted);flex-wrap:wrap;gap:8px;margin:0;padding:0;font-size:.86rem;list-style:none;display:flex}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px}.content-grid{grid-template-columns:minmax(0,1.6fr) minmax(280px,.72fr);align-items:start;gap:26px;display:grid}.download-card{border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);background:#fff;gap:26px;padding:clamp(25px,5vw,44px);display:flex}.download-icon{flex:0 0 88px}.download-main h2{margin:15px 0 10px}.download-main>p,.inline-note{color:var(--muted)}.inline-note{margin:13px 0 0;font-size:.88rem}.info-panel h2,.help-card h2{font-size:1.25rem}.info-panel dl{margin:0}.info-panel dl div{border-top:1px solid var(--line);grid-template-columns:90px 1fr;gap:12px;padding:13px 0;display:grid}.info-panel dt{color:var(--muted)}.info-panel dd{overflow-wrap:anywhere;margin:0;font-weight:680}.two-column{grid-template-columns:repeat(2,minmax(0,1fr));gap:60px;display:grid}.check-list{gap:12px;padding:0;list-style:none;display:grid}.check-list li{padding-left:30px;position:relative}.check-list li:before{color:#fff;background:var(--accent);content:"✓";border-radius:50%;place-items:center;width:19px;height:19px;font-size:.72rem;font-weight:900;display:grid;position:absolute;top:.33em;left:0}.prose{max-width:800px}.prose p,.prose li{color:#536078}.prose h2:not(:first-child){margin-top:42px}.guide-list{gap:34px;display:grid}.guide-step{border:1px solid var(--line);border-radius:var(--radius-lg);grid-template-columns:minmax(250px,.72fr) minmax(0,1.28fr);align-items:center;gap:36px;padding:clamp(22px,4vw,38px);display:grid}.guide-step:nth-child(2n) .step-copy{order:2}.guide-step img,.tutorial-placeholder{aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-md)}.step-copy p{color:var(--muted)}.faq-layout{max-width:900px}.faq-list{gap:12px;display:grid}.faq-item{border:1px solid var(--line);background:#fff;border-radius:15px;overflow:hidden}.faq-item summary{cursor:pointer;padding:20px 56px 20px 22px;font-weight:730;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{color:var(--brand);content:"+";font-size:1.35rem;position:absolute;top:18px;right:20px}.faq-item[open] summary:after{content:"−"}.faq-item div{color:var(--muted);padding:0 22px 19px}.faq-item div p{margin:0}.home-faq-inner{max-width:900px}.home-download-panel{background:linear-gradient(120deg,#f1faff,#f5fffd);border:1px solid #cce8f3;border-radius:24px;justify-content:space-between;align-items:center;gap:36px;padding:44px 48px;display:flex;box-shadow:0 16px 45px #085b8712}.home-download-copy{align-items:flex-start;gap:24px;display:flex}.home-download-copy>img{border-radius:16px;flex:none;box-shadow:0 9px 22px #05aee82e}.home-download-copy h2{margin:0 0 12px;font-size:clamp(1.6rem,2.8vw,2.15rem)}.home-download-copy p{color:var(--muted);margin:0 0 18px}.home-download-meta{color:#4f738a;flex-wrap:wrap;gap:8px 18px;font-size:.83rem;display:flex}.home-download-button{flex:none;padding-inline:26px}@media (width<=880px){.home-download-panel{flex-direction:column;align-items:flex-start;padding:30px}}@media (width<=640px){.home-download-copy{flex-direction:column;gap:20px}.home-download-button{width:100%}}.home-faq-list{gap:14px}.home-faq .faq-item{box-shadow:0 10px 30px #0f344b0a}.home-faq-action{justify-content:center;margin-top:30px;display:flex}.home-faq-action .button span{transition:transform .2s}.home-faq-action .button:hover span{transform:translate(3px)}.help-card{position:sticky;top:98px}.text-link{font-weight:730}.not-found{text-align:center;min-height:66vh;padding:110px 0}.error-code{color:var(--brand);letter-spacing:-.08em;margin-bottom:16px;font-size:clamp(4rem,14vw,9rem);font-weight:900;line-height:.9;display:block}.centered{justify-content:center}.site-footer{color:#d9e1ee;background:#141c2d;padding:58px 0 24px}.footer-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:60px;padding-bottom:42px;display:grid}.footer-brand{color:#fff;margin-bottom:17px}.footer-grid p{color:#aab5c7;max-width:520px}.footer-grid nav{grid-template-columns:1fr 1fr 1.35fr;align-content:start;gap:28px;display:grid}.footer-link-group{align-content:start;gap:12px;display:grid}.footer-link-group h2{color:#fff;letter-spacing:0;margin:0 0 7px;font-size:1rem}.footer-link-group a{font-size:.9rem;line-height:1.65}.footer-grid nav a:hover{color:#67d7ff}@media (width<=480px){.footer-grid nav{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-link-group:last-child{grid-column:1/-1}}.footer-grid nav a{color:#d9e1ee;text-decoration:none}.footer-bottom{color:#8290a5;border-top:1px solid #ffffff1a;justify-content:center;gap:24px;padding-top:22px;font-size:.84rem;display:flex}.hero-copy>.eyebrow{color:#244a68;letter-spacing:.04em;text-transform:none;background:linear-gradient(#fff 0%,#effaff 48%,#d9f1fc 100%);border:1px solid #b9deef;border-radius:999px;margin-bottom:22px;padding:8px 15px;font-size:.75rem;line-height:1.5;position:relative;box-shadow:inset 0 2px #fffffff2,inset 0 -2px 3px #087eb814,0 3px #c8e5f2,0 7px 15px #085b871f}.hero h1{margin-bottom:22px;font-size:clamp(1.9rem,3.1vw,2.65rem);line-height:1.22}.hero h1 span{color:var(--brand-dark)}.hero h1 .h1-brand{letter-spacing:-.01em;margin-bottom:10px;font-size:1em;display:block}.hero h1 .h1-subtitle{color:var(--ink);font-size:.88em;line-height:1.4;display:block}.site-header .header-download{white-space:nowrap;border-radius:11px;min-height:42px;margin-left:16px;padding:10px 18px;font-size:.95rem;box-shadow:0 6px 16px #05aee82e}.mobile-menu .header-download{margin:8px 0 0}.hero-copy .button-row{gap:24px}.hero-copy .lead{max-width:440px;margin-bottom:24px;font-size:1.05rem;line-height:1.8}.hero-software-preview{min-width:0;margin:0;position:relative}.hero-float{z-index:2;pointer-events:none;background:linear-gradient(145deg,#fffffffa,#e2f6ffeb);border:1px solid #9dd3eca6;border-radius:25px;width:90px;height:90px;padding:5px;animation:5s ease-in-out infinite hero-icon-float;position:absolute;box-shadow:inset 0 2px 1px #fff,0 7px #c5e2f0a6,0 17px 30px #08568129}.hero-float svg{width:100%;height:100%;display:block}.hero-float-clean{bottom:-25px;left:-30px;transform:rotate(-9deg)}.hero-float-shield{animation-delay:-2.5s;top:-28px;right:-27px;transform:rotate(9deg)}@keyframes hero-icon-float{0%,to{translate:0}50%{translate:0 -11px}}@media (width<=640px){.hero-float{border-radius:18px;width:62px;height:62px}.hero-float-clean{bottom:-20px;left:-8px}.hero-float-shield{top:-24px;right:-8px}}@media (prefers-reduced-motion:reduce){.hero-float{animation:none}}.hero-software-preview a{border-radius:12px;transition:box-shadow .2s;display:block;box-shadow:0 28px 65px #0835562e,0 0 0 1px #087eb81f}.hero-software-preview a:hover{box-shadow:0 30px 70px #0835563d,0 0 0 2px #05aee859}.hero-software-preview img{border-radius:inherit;width:100%;height:auto;display:block}.product-stage{isolation:isolate;place-items:center;min-height:470px;display:grid;position:relative}.product-stage:before{content:"";background:linear-gradient(145deg,#02bce9,#17d5bd);border-radius:44% 56% 63% 37%/49% 41% 59% 51%;width:330px;height:330px;animation:12s ease-in-out infinite morph;position:absolute;box-shadow:0 45px 90px #048fbd42}@keyframes morph{50%{border-radius:61% 39% 43% 57%/42% 60% 40% 58%;transform:rotate(5deg)}}.orbit{border:1px solid #05aee833;border-radius:50%;position:absolute}.orbit-one{width:420px;height:420px}.orbit-two{border-style:dashed;width:490px;height:490px}.app-tile{z-index:2;color:#fff;backdrop-filter:blur(12px);background:#07182ee6;border:1px solid #ffffff40;border-radius:26px;align-items:center;gap:22px;width:330px;padding:25px;display:flex;position:relative;box-shadow:0 28px 70px #07182e47}.app-tile img{border-radius:22px;width:94px;height:94px}.app-tile div{display:grid}.app-tile span{color:#89e9f6;letter-spacing:.16em;text-transform:uppercase;font-size:.78rem;font-weight:800}.app-tile strong{font-size:1.65rem;line-height:1.15}.app-tile small{color:#9eb4c8;margin-top:8px}.stage-card{z-index:3;min-width:165px;box-shadow:var(--shadow);background:#fff;border:1px solid #05aee82e;border-radius:15px;padding:15px 17px;display:grid;position:absolute}.stage-card i{background:var(--accent);border-radius:4px;width:25px;height:4px;margin-bottom:12px}.stage-card span{color:var(--muted);font-size:.75rem}.stage-card b{font-size:.93rem}.stage-card-top{top:62px;right:-8px;transform:rotate(2deg)}.stage-card-bottom{bottom:54px;left:-5px;transform:rotate(-2deg)}.trust-row{flex-wrap:wrap;gap:25px;margin-top:34px;display:flex}.trust-row span{color:var(--muted);font-size:.75rem;display:grid}.trust-row b{color:var(--ink);font-size:.96rem}.proof-strip{border-block:1px solid var(--line);background:#fff}.guide-proof{z-index:2;position:relative}.proof-grid{grid-template-columns:repeat(3,1fr);display:grid}.proof-grid p{grid-template-columns:42px 1fr;margin:0;padding:25px 25px 25px 0;display:grid}.proof-grid p+p{border-left:1px solid var(--line);padding-left:25px}.proof-grid span{color:var(--brand);grid-row:1/span 2;font-weight:850}.proof-grid small{color:var(--muted)}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-card{min-height:230px;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}.feature-card:after{content:"";background:#05aee812;border-radius:50%;width:100px;height:100px;position:absolute;bottom:-35px;right:-28px}.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-5px)}.section-dark{color:#fff;background:var(--navy)}.section-dark .eyebrow{color:#61dff2}.section-dark p{color:#a8bacb}.safe-grid{grid-template-columns:.9fr 1.1fr;align-items:start;gap:80px;display:grid}.safe-grid h2{max-width:520px}.safe-copy>p{font-size:1.1rem}.signal-list,.warning-list{gap:12px;margin:25px 0 0;padding:0;list-style:none;display:grid}.signal-list li{color:#dce9f3;border:1px solid #ffffff1f;border-radius:11px;padding:13px 16px}.signal-list li:before{color:var(--accent);content:"◆";margin-right:10px}.source-note{color:var(--muted);margin:22px 0 0;font-size:.85rem}.tutorial-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.tutorial-card{min-height:280px;color:var(--ink);border:1px solid var(--line);border-radius:18px;padding:24px;text-decoration:none;transition:transform .2s,border-color .2s;display:grid}.tutorial-card:hover{color:var(--ink);border-color:#76cfe9;transform:translateY(-4px)}.tutorial-card>span{color:var(--brand);font-size:1.6rem;font-weight:900}.tutorial-card small{color:var(--muted);align-self:end}.tutorial-card h3{margin-top:14px}.tutorial-card p{color:var(--muted)}.tutorial-card strong{color:var(--brand-dark);align-self:end;font-size:.88rem}.compact-top{padding-top:20px}.download-hero-card{border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;justify-content:space-between;align-items:center;gap:40px;padding:34px;display:flex}.download-product{align-items:center;gap:24px;display:flex}.download-product img{border-radius:24px}.download-product h2{margin:12px 0 5px;font-size:clamp(1.6rem,3vw,2.3rem)}.download-product p{color:var(--muted);margin:0}.download-actions{justify-items:end;gap:12px;display:grid}.source-banner{color:#285269;background:#e8f7fb;border-radius:13px;gap:24px;margin-top:20px;padding:18px 22px;display:flex}.source-banner p{margin:0}.edition-grid{grid-template-columns:repeat(2,1fr);gap:36px;max-width:960px;margin-inline:auto;display:grid}.edition-card{border:1px solid var(--line);background:#fff;border-radius:22px;padding:34px;position:relative}.edition-card.recommended{border-color:#75d5e9;box-shadow:0 18px 50px #05aee81a}.edition-label{color:var(--brand-dark);background:#e7f8fc;border-radius:99px;padding:5px 10px;font-size:.75rem;font-weight:800;display:inline-block}.edition-card h3,.edition-card h2{margin-top:20px;font-size:1.7rem}.edition-card p,.edition-card li{color:var(--muted)}.edition-card ul{gap:10px;padding-left:20px;display:grid}.steps-row{grid-template-columns:repeat(3,1fr);gap:40px;display:grid}.steps-row span{color:#60dff2;font-weight:900}.steps-row h3{margin-top:24px}.guide-library{grid-template-columns:repeat(2,1fr);gap:18px;display:grid}.guide-hero .lead{text-align:center;margin-inline:auto}.guide-library-card{min-height:210px;color:var(--ink);border:1px solid var(--line);border-radius:22px;flex-direction:column;padding:30px;text-decoration:none;transition:all .2s;display:flex}.guide-library-card:hover{color:var(--ink);box-shadow:var(--shadow);border-color:#78d2e8;transform:translateY(-4px)}.guide-no{color:inherit;font-size:inherit;font-weight:inherit;flex:none}.guide-library-card h2{color:var(--ink);align-items:baseline;gap:18px;margin:0 0 18px;font-size:1.55rem;transition:color .2s;display:flex}.guide-library-card:hover h2{color:var(--brand-dark)}.guide-library-card p{color:var(--muted)}.guide-library-card .guide-card-scenario{align-items:baseline;gap:12px;margin:0;line-height:1.65;display:flex}.guide-card-scenario>span{color:var(--brand-dark);background:#e8f7fb;border-radius:999px;flex:none;padding:2px 9px;font-size:.82rem;font-weight:800}.guide-card-scenario>strong{color:var(--muted);font-size:1rem;font-weight:500}.guide-library-card .guide-card-cta{color:var(--brand-dark);border-bottom:1px solid #087eb859;align-self:flex-end;align-items:center;gap:9px;margin-top:auto;padding-bottom:2px;font-size:.9rem;display:inline-flex}.guide-card-cta span{transition:transform .2s}.guide-library-card:hover .guide-card-cta span{transform:translate(3px)}.number-list{gap:15px;padding-left:22px;display:grid}.principles-grid{border:1px solid var(--line);background:#fff;border-radius:24px;grid-template-columns:minmax(0,1fr) minmax(360px,.86fr);align-items:center;gap:30px 56px;padding:46px 46px 42px;display:grid;box-shadow:0 24px 60px #0835560f}.principles-copy,.principles-visual{margin:0}.principles-copy{flex-direction:column;display:flex}.principles-head{border-bottom:1px solid var(--line);text-align:center;grid-column:1/-1;padding-bottom:26px}.principles-heading{color:var(--ink);text-align:center;margin:0;font-size:clamp(1.9rem,3.6vw,2.6rem);line-height:1.1}.principles-subtitle{color:var(--ink);margin:0 0 24px;font-size:clamp(1.2rem,2vw,1.55rem)}.principles-copy .number-list{counter-reset:principle;margin:0;padding:0;list-style:none;display:grid}.principles-copy .number-list li{counter-increment:principle;border-top:1px solid var(--line);color:#44566b;padding:15px 0 15px 46px;font-size:1rem;line-height:1.75;position:relative}.principles-copy .number-list li:first-child{border-top:0;padding-top:0}.principles-copy .number-list li:before{color:var(--brand);content:"0" counter(principle);letter-spacing:.02em;font-size:.95rem;font-weight:900;position:absolute;top:15px;left:0}.principles-copy .number-list li:first-child:before{top:1px}.principles-visual{flex-direction:column;gap:16px;display:flex}.principles-visual img{border:1px solid var(--line);border-radius:14px;width:100%;box-shadow:0 14px 34px #0f344b1a}.principles-visual figcaption{color:var(--muted);font-size:.86rem;line-height:1.65}.visual-note{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:20px;margin:0;padding:12px}.visual-note img{border-radius:13px}.visual-note p{color:var(--muted);margin:12px 8px 6px;font-size:.82rem}.faq-item summary{gap:16px;display:flex}.faq-item summary>span{color:var(--brand);font-weight:900}.help-card hr{border:0;border-top:1px solid var(--line);margin:25px 0}.help-card small{color:var(--muted)}.about-grid{grid-template-columns:1.25fr .75fr;align-items:start;gap:70px;display:grid}.product-facts{border:1px solid var(--line);background:var(--surface-soft);border-radius:22px;padding:30px}.product-facts img{border-radius:18px;width:76px;height:76px;margin-bottom:18px}.product-facts dl{margin:0}.product-facts dl div{border-top:1px solid var(--line);grid-template-columns:92px 1fr;gap:15px;padding:10px 0;display:grid}.product-facts dt{color:var(--muted)}.product-facts dd{margin:0;font-weight:700}.release-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.release-grid article{border:1px solid var(--line);background:#fff;border-radius:18px;padding:28px}.release-grid p{color:var(--muted)}.warning-list li{color:var(--muted);padding-left:24px}.warning-list li:before{color:#e8992e;content:"△";margin-left:-24px;margin-right:9px;font-weight:900}.source-panel{border:1px solid var(--line);border-radius:22px;justify-content:space-between;align-items:center;gap:40px;padding:40px;display:flex}.source-panel>div:last-child{gap:12px;display:grid}.guide-detail-hero h1{font-size:clamp(2.35rem,5vw,4.2rem)}.article-meta{flex-wrap:wrap;gap:8px;display:flex}.article-meta span{color:#446077;border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 11px;font-size:.78rem;font-weight:700}.article-layout{display:block}.article-body{max-width:860px;margin-inline:auto}.article-body>h2{margin-top:52px}.article-body>h2:first-child{margin-top:0}.when-card{background:var(--surface-soft);border:1px solid #cce8ef;border-radius:18px;padding:26px}.when-card ul{gap:8px;margin:0;padding-left:20px;display:grid}.article-steps{gap:0;margin:25px 0;padding:0;list-style:none;display:grid}.article-steps li{grid-template-columns:54px 1fr;gap:18px;padding:0 0 34px;display:grid;position:relative}.article-steps li:not(:last-child):after{background:var(--line);content:"";width:1px;position:absolute;top:38px;bottom:4px;left:19px}.article-steps li>span{z-index:1;color:#fff;background:var(--brand-dark);border-radius:50%;place-items:center;width:40px;height:40px;font-size:.75rem;font-weight:900;display:grid;position:relative}.article-steps p{color:var(--muted)}.article-steps .article-steps>li>span,.article-steps .review-step>span,.article-steps .finish-step>span{color:#fff;background:var(--brand-dark)}.article-steps .review-step>span,.article-steps .finish-step>span{color:#fff}.warning-box{background:#fff8e8;border-left:4px solid #e8a52f;border-radius:10px;padding:22px 24px}.warning-box p{color:#725727;margin:8px 0 0}.article-side{gap:18px;display:grid;position:sticky;top:100px}.article-side figure{border:1px solid var(--line);border-radius:17px;margin:0;padding:11px}.article-side img{border-radius:11px}.article-side figcaption{color:var(--muted);padding:10px 5px 3px;font-size:.75rem}.lesson-pagination{border-top:1px solid var(--line);grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:14px;margin-top:62px;padding-top:38px;display:grid}.lesson-pagination.has-three{grid-template-columns:repeat(3,minmax(0,1fr))}.lesson-pagination-card{min-height:96px;color:var(--ink);border:1px solid var(--line);background:#f8fbfd;border-radius:18px;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:14px;padding:18px 20px;text-decoration:none;transition:border-color .2s,box-shadow .2s,transform .2s;display:grid;box-shadow:0 10px 30px #0f344b0d}.lesson-pagination-card:hover{color:var(--ink);border-color:#8fd8e9;transform:translateY(-3px);box-shadow:0 16px 34px #057eb81c}.lesson-pagination-icon{width:42px;height:42px;color:var(--brand-dark);background:#fff;border:1px solid #cbe7ef;border-radius:50%;place-items:center;font-size:1.05rem;transition:transform .2s;display:grid}.lesson-pagination-copy{gap:3px;min-width:0;display:grid}.lesson-pagination-copy small{color:var(--muted);font-size:.76rem;font-weight:700}.lesson-pagination-copy strong{overflow-wrap:anywhere;font-size:.96rem;line-height:1.35}.lesson-pagination-card.is-return{border-color:#d9e6ed}.lesson-pagination-card.is-previous{background:linear-gradient(135deg,#f8fcfb,#effaf7)}.lesson-pagination-card.is-next{text-align:right;background:linear-gradient(135deg,#f5fbfe,#eaf8fc);border-color:#bce4ee;grid-template-columns:minmax(0,1fr) 42px}.lesson-pagination-card.is-next .lesson-pagination-icon{color:#fff;background:linear-gradient(135deg, var(--brand-dark), var(--brand));border-color:#0000}.lesson-pagination-card.is-previous .lesson-pagination-icon{color:#078f7f;border-color:#c4eae4}.lesson-pagination-card.is-return:hover .lesson-pagination-icon,.lesson-pagination-card.is-previous:hover .lesson-pagination-icon{transform:translate(-3px)}.lesson-pagination-card.is-next:hover .lesson-pagination-icon{transform:translate(3px)}.footer-grid .disclaimer{color:#748499;max-width:560px;margin-top:14px;font-size:.79rem;line-height:1.7}.footer-grid .disclaimer a{color:#9bb2c8;text-decoration:none}.footer-grid .disclaimer a:hover{color:#c8d6e5;text-decoration:underline}.footer-bottom a{color:#9bb2c8;text-decoration:none}@media (width<=880px){.desktop-nav{display:none}.mobile-menu{display:block}.hero{padding-top:68px}.hero-grid,.content-grid,.faq-layout{grid-template-columns:1fr}.hero-panel{max-width:620px;transform:none}.feature-grid,.path-grid,.screenshot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.heading-row{display:block}.help-card{position:static}}@media (width<=640px){.container{width:min(calc(100% - 28px), var(--container))}.header-inner{min-height:66px}.hero,.section{padding:46px 0}.page-hero{padding:46px 0 38px}h1{font-size:clamp(2.15rem,12vw,3.25rem)}.feature-grid,.path-grid,.screenshot-grid,.two-column,.footer-grid{grid-template-columns:1fr}.hero-panel-body{min-height:330px;padding:34px 24px}.callout,.download-card{flex-direction:column;align-items:flex-start}.download-icon{flex-basis:88px}.guide-step{grid-template-columns:1fr;gap:22px}.guide-step:nth-child(2n) .step-copy{order:0}.footer-grid{gap:34px}.footer-bottom{flex-direction:column;align-items:center;gap:7px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=980px){.tutorial-grid{grid-template-columns:repeat(2,1fr)}.product-stage{min-height:430px}.article-layout{grid-template-columns:1fr}.article-side{grid-template-columns:repeat(2,1fr);position:static}}@media (width<=880px){.proof-grid,.steps-row,.release-grid{grid-template-columns:1fr}.proof-grid p+p{border-top:1px solid var(--line);border-left:0;padding-left:0}.safe-grid,.about-grid{grid-template-columns:1fr;gap:35px}.principles-grid{grid-template-columns:1fr}.download-hero-card,.source-panel{flex-direction:column;align-items:flex-start}.download-actions{justify-items:start}.guide-library{grid-template-columns:1fr}}@media (width<=640px){.brand-copy small{display:none}.product-stage{min-height:355px}.product-stage:before{width:250px;height:250px}.orbit-one{width:300px;height:300px}.orbit-two{width:340px;height:340px}.app-tile{gap:14px;width:275px;padding:18px}.app-tile img{width:72px;height:72px}.app-tile strong{font-size:1.35rem}.stage-card{display:none}.feature-grid,.tutorial-grid,.edition-grid,.article-side{grid-template-columns:1fr}.feature-card{min-height:auto}.download-product{align-items:flex-start}.download-product img{width:78px;height:78px}.source-banner{display:block}.source-banner strong{margin-bottom:7px;display:block}.guide-library-card{min-height:200px;padding:22px}.principles-grid{padding:24px}.article-layout{gap:35px}.article-steps li{grid-template-columns:45px 1fr;gap:12px}.lesson-pagination,.lesson-pagination.has-three{grid-template-columns:1fr}}.table-scroll{overflow-x:auto}.compare-table{border:1px solid var(--line);border-collapse:separate;border-spacing:0;background:#fff;border-radius:18px;width:100%;min-width:620px;font-size:1.14rem}.compare-table th,.compare-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:18px 22px}.compare-table thead th{color:var(--muted);letter-spacing:.04em;background:#f6fafc;font-size:.98rem;font-weight:800}.compare-table thead th.col-hibit{color:var(--brand-dark)}.compare-table tbody th{width:30%;font-weight:700}.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}.compare-table td.col-system{color:#8695a8}.compare-table td.col-hibit,.compare-table thead th.col-hibit{color:var(--ink);background:#f0fbfd;font-weight:650}.review-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 9% 91%,#0000 100%);mask-image:linear-gradient(90deg,#0000 0,#000 9% 91%,#0000 100%)}.review-track{width:max-content;animation:64s linear infinite review-scroll;display:flex}.review-marquee:hover .review-track,.review-marquee:focus-within .review-track{animation-play-state:paused}.review-set{gap:20px;width:max-content;padding-right:20px;display:flex}@keyframes review-scroll{0%{transform:translate(0)}to{transform:translate(-50%)}}.review-card{border:1px solid var(--line);background:#fff;border-radius:20px;grid-template-rows:auto 1fr auto;width:342px;margin:0;padding:28px;display:grid}.stars{gap:3px;font-size:1rem;line-height:1;display:inline-flex}.stars span{color:#ccd8e6}.stars span.on{color:#f0a92b}.stars span.half{background:linear-gradient(90deg,#f0a92b 50%,#ccd8e6 50%);color:#0000;-webkit-background-clip:text;background-clip:text}.review-card blockquote{color:#3f4f63;margin:16px 0 22px;font-size:.95rem;line-height:1.8}.review-card figcaption{border-top:1px solid var(--line);gap:4px;padding-top:15px;display:grid}.review-card figcaption strong{font-size:.92rem}.review-card figcaption span{color:var(--muted);font-size:.76rem}@media (prefers-reduced-motion:reduce){.review-track{animation:none}.review-marquee{overflow-x:auto}}@media (width<=640px){.review-card{width:min(300px,80vw);padding:24px}.table-scroll{overflow:visible}.compare-table{background:0 0;border:0;min-width:0;display:block}.compare-table thead{display:none}.compare-table tbody{gap:12px;display:grid}.compare-table tr{border:1px solid var(--line);background:#fff;border-radius:16px;gap:10px;padding:18px 20px;display:grid}.compare-table th,.compare-table td{background:0 0;border:0;padding:0}.compare-table tbody th{width:auto;font-size:1.14rem}.compare-table td.col-system,.compare-table td.col-hibit{border-radius:10px;align-items:baseline;gap:8px;padding:9px 12px;display:flex}.compare-table td.col-system{background:#f4f7fa}.compare-table td.col-hibit{background:#e6f8fc}.compare-table td.col-system:before,.compare-table td.col-hibit:before{border-radius:99px;flex:none;padding:1px 9px;font-size:.72rem;font-weight:800}.compare-table td.col-system:before{color:#78889c;content:"系统自带";background:#eef2f6}.compare-table td.col-hibit:before{color:var(--brand-dark);content:"HiBit";background:#e2f7fb}.compare-table td.col-hibit{color:var(--ink);font-weight:650}}.dl-hero{text-align:center;background:radial-gradient(circle at 50% -10%,#21d2bd29,#0000 46%),radial-gradient(circle at 12% 30%,#05aee81a,#0000 38%),linear-gradient(#f4fbff 0%,#fff 100%);padding:72px 0 24px}.dl-pill{color:var(--brand-dark);letter-spacing:.16em;text-transform:uppercase;background:linear-gradient(120deg,#05aee81f,#21d2bd29);border:1px solid #05aee838;border-radius:999px;margin-bottom:18px;padding:7px 17px;font-size:.72rem;font-weight:800;display:inline-block}.dl-hero h1{margin-bottom:16px;font-size:clamp(2.3rem,5vw,3.6rem)}.dl-sub{max-width:700px;color:var(--muted);margin:0 auto;font-size:1.02rem}.dl-btn{border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;min-height:52px;padding:0 30px;font-weight:760;text-decoration:none;transition:transform .16s,box-shadow .16s,background .16s;display:inline-flex}.dl-btn-primary{color:#fff;background:linear-gradient(120deg,#05aee8,#21d2bd);box-shadow:0 16px 34px #05aee84d}.dl-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px #05aee85c}.qr-modal{z-index:1000;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.qr-modal[hidden]{display:none}.qr-modal-backdrop{backdrop-filter:blur(3px);background:#09182b8c;position:absolute;inset:0}.qr-modal-card{text-align:center;background:#fff;border-radius:20px;width:min(360px,100%);padding:32px 28px 26px;position:relative;box-shadow:0 30px 70px #07182b59}.qr-modal-card h2{color:var(--ink);margin:0 0 8px;font-size:1.35rem}.qr-modal-sub{color:var(--muted);margin:0 0 20px;font-size:.92rem}.qr-modal-frame{border:1px solid var(--line);background:#f4f9fc;border-radius:16px;padding:12px;display:inline-block}.qr-modal-frame img{width:200px;height:200px;image-rendering:pixelated;display:block}.qr-modal-confirm{color:#fff;cursor:pointer;background:linear-gradient(120deg,#05aee8,#21d2bd);border:0;border-radius:999px;width:100%;min-height:48px;margin-top:22px;font-size:1rem;font-weight:760;transition:filter .16s;box-shadow:0 12px 26px #05aee84d}.qr-modal-confirm:hover{filter:brightness(1.06)}.qr-modal-close{color:#9aa7b8;cursor:pointer;background:0 0;border:0;border-radius:50%;width:32px;height:32px;font-size:1.5rem;line-height:1;position:absolute;top:12px;right:14px}.qr-modal-close:hover{color:var(--ink);background:#f1f5f9}.dl-head{text-align:center;margin-bottom:38px}.dl-head h2{margin-bottom:10px;font-size:clamp(1.9rem,3.6vw,2.8rem)}.dl-head p{color:var(--muted);margin:0}.dl-versions{gap:18px;max-width:920px;margin:0 auto;display:grid;position:relative}.dl-versions:before{background:linear-gradient(180deg, var(--brand), #84dced 70%, #c8e6ee);content:"";width:2px;position:absolute;top:18px;bottom:18px;left:170px}.dl-version{grid-template-columns:150px 40px minmax(0,1fr);align-items:center;display:grid;position:relative}.dl-version-meta{text-align:right}.dl-version header{justify-content:flex-end;align-items:center;gap:8px;display:flex}.dl-version strong{color:var(--ink);font-size:1.16rem}.dl-timeline-dot{z-index:1;border:4px solid var(--brand);background:#fff;border-radius:50%;justify-self:center;width:14px;height:14px;position:relative;box-shadow:0 0 0 5px #edf8fb}.dl-version.is-latest .dl-timeline-dot{background:var(--brand);border-color:#fff;width:18px;height:18px;box-shadow:0 0 0 5px #05aee82e}.dl-version-body{background:#fff;border:1px solid #dbe9f2;border-radius:16px;padding:22px 28px;box-shadow:0 10px 30px #0835560d}.dl-version.is-latest .dl-version-body{border-color:#05aee88c;box-shadow:0 14px 34px #05aee81a}.dl-latest{color:#3d6fd8;background:#e6efff;border-radius:999px;margin-bottom:7px;padding:2px 9px;font-size:.68rem;font-weight:800;display:inline-block}.dl-date{color:var(--muted);margin:6px 0 14px;font-size:.76rem}.dl-version ul{gap:7px;margin:0;padding:0;list-style:none;display:grid}.dl-version li{color:#536078;padding-left:18px;font-size:.85rem;line-height:1.6;position:relative}.dl-version li:before{background:var(--brand);content:"";border-radius:50%;width:6px;height:6px;position:absolute;top:.72em;left:0}@media (width<=880px){.dl-versions{max-width:720px}}@media (width<=640px){.dl-versions:before{left:14px}.dl-versions{gap:22px}.dl-version{grid-template-columns:30px minmax(0,1fr);align-items:start}.dl-version-meta{text-align:left;grid-column:2;grid-template-columns:1fr auto;align-items:end;gap:12px;padding:0 4px 10px;display:grid}.dl-version-meta .dl-latest{grid-column:1/-1;justify-self:start;margin-bottom:-4px}.dl-version header{justify-content:flex-start}.dl-date{margin:0}.dl-timeline-dot{grid-area:1/1/span 2;margin-top:3px}.dl-version-body{grid-column:2;padding:19px 20px}}.edition-action{width:100%;margin-top:26px}.dl-editions{padding-top:8px}@media (width<=640px){.dl-editions{padding-top:8px}}.dl-hero{padding-bottom:26px}.guide-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.guide-entry{background:#f8fbfd;border:1px solid #e3edf5;border-radius:20px;padding:28px 26px}.guide-entry-title{color:var(--brand-dark);margin:0 0 16px;font-size:clamp(1.25rem,2.2vw,1.55rem)}.guide-entry-no{color:var(--brand);margin-right:14px;font-weight:900}.guide-entry p{max-width:680px;color:var(--muted);margin:0}.guide-entry-steps{counter-reset:guide-step;gap:10px;margin:0;padding:0;list-style:none;display:grid}.guide-entry-steps li{counter-increment:guide-step;grid-template-columns:20px minmax(0,1fr);gap:0 10px;display:grid}.guide-entry-steps li:before{color:#93a3b6;content:counter(guide-step) ".";font-size:.95rem;font-weight:700}.guide-step-body{flex-wrap:wrap;align-items:baseline;gap:2px 12px;display:flex}.guide-entry-steps strong{color:var(--ink);font-size:1rem;font-weight:700}.guide-entry-steps span{color:var(--muted);font-size:.95rem}.guide-entry-steps span:before{color:#c9d4e0;content:"——";margin-right:8px}@media (width<=640px){.guide-entry-steps{gap:12px}.guide-step-body{gap:2px 10px}}@media (width<=880px){.guide-cards{grid-template-columns:1fr}}.edition-head{text-align:center;margin-bottom:14px}.edition-head h3,.edition-head h2{margin:10px 0 0;font-size:clamp(1.35rem,2.4vw,1.7rem)}.edition-card .edition-head+p{text-align:left}.dl-btn-alt{color:#fff;background:linear-gradient(120deg,#0a7fc0,#0d5b93);box-shadow:0 16px 34px #0a5b9342}.dl-btn-alt:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px #0a5b9352}.page-head{text-align:center;background:radial-gradient(circle at 50% -10%,#21d2bd29,#0000 46%),radial-gradient(circle at 12% 30%,#05aee81a,#0000 38%),linear-gradient(#f6fcff 0%,#fff 100%);padding:74px 0 30px}.page-head h1{margin-bottom:18px;font-size:clamp(2.05rem,4.4vw,3.15rem)}.page-head-sub{max-width:720px;color:var(--muted);margin:0 auto;font-size:1.02rem}.page-head+.section{padding-top:46px}.feature-card{min-height:180px}.feature-card h3{color:var(--brand-dark);margin:0 0 14px;font-size:1.3rem;line-height:1.35}.feature-card .feature-index{color:inherit;letter-spacing:0;vertical-align:baseline;margin:0 10px 0 0;font-size:1.3rem;font-weight:900}.feature-card p{font-size:1.06rem;line-height:1.75}.edition-card{flex-direction:column;display:flex}.edition-sub{color:var(--muted);text-align:center;margin:8px 0 0;font-size:.95rem}.edition-specs{margin:22px 0 32px}.edition-specs>div{border-bottom:1px solid var(--line);grid-template-columns:84px minmax(0,1fr);align-items:baseline;gap:14px;padding:13px 0;display:grid}.edition-specs>div:last-child{border-bottom:0}.edition-specs dt{color:var(--muted);font-size:.88rem}.edition-specs dd{color:var(--ink);margin:0;font-size:.96rem}.edition-action{margin-top:auto}.edition-card .download-destination{text-align:center;color:var(--muted);margin:13px 0 0;font-size:.78rem}.download-start{border-top:1px solid var(--line);max-width:960px;margin:48px auto 0;padding-top:32px}.download-start>h2{margin-bottom:24px;font-size:1.5rem}.download-start ol{counter-reset:start;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding:0;list-style:none;display:grid}.download-start li{counter-increment:start}.download-start li strong{margin-bottom:10px;font-size:1rem;display:block}.download-start li strong:before{content:"0" counter(start);color:var(--brand-dark);margin-right:10px}.download-start li span,.download-start>p{color:var(--muted);font-size:.9rem;line-height:1.8}.download-start>p{margin:24px 0 0}.help-next{text-align:center;max-width:900px}.help-next h2{font-size:clamp(1.5rem,3vw,2rem)}.help-next>p{color:var(--muted);margin-bottom:26px}.lesson-next-action{background:var(--surface-soft);border:1px solid var(--line);border-radius:18px;justify-content:space-between;align-items:center;gap:24px;margin-top:36px;padding:28px;display:flex}.lesson-next-action h2{margin:0 0 8px;font-size:1.3rem}.lesson-next-action p{color:var(--muted);margin:0;font-size:.9rem}.lesson-next-action .button{flex:none}.feature-guide-link{z-index:1;text-underline-offset:4px;margin-top:6px;font-size:.88rem;font-weight:700;display:inline-block;position:relative}.faq-item{scroll-margin-top:100px}.faq-search{margin-bottom:26px}.faq-search>label{color:var(--ink);margin-bottom:12px;font-size:1.05rem;font-weight:750;display:block}.faq-search-field{border:1px solid var(--line);background:#fff;border-radius:14px;align-items:center;gap:12px;padding:12px 16px;display:flex}.faq-search-field:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px #05aee81a}.faq-search-field svg{width:22px;height:22px;color:var(--brand-dark);flex:0 0 22px}.faq-search-field input{width:100%;min-width:0;color:var(--ink);font:inherit;background:0 0;border:0;outline:none;flex:1;font-size:1rem}.faq-search-field input::placeholder{color:#77879a}.faq-search-field input::-webkit-search-cancel-button{display:none}.faq-search-field button{color:var(--brand-dark);font:inherit;cursor:pointer;background:#edf7fc;border:0;border-radius:8px;flex:none;padding:7px 10px}.faq-search-suggestions{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.faq-search-suggestions button{border:1px solid var(--line);background:var(--surface-soft);color:#446077;font:inherit;cursor:pointer;border-radius:999px;padding:8px 13px;font-size:.85rem}.faq-search-suggestions button:hover{border-color:var(--brand);color:var(--brand-dark)}.faq-search-status{color:var(--muted);margin:16px 0 0;font-size:.85rem}.faq-search-empty{background:var(--surface-soft);border-radius:14px;margin-top:20px;padding:22px}.faq-search-empty p{color:var(--muted)}.faq-item[hidden],.faq-search [hidden],.faq-search[hidden]{display:none}.download-verified{color:var(--muted);margin:18px 0 0;font-size:.8rem}@media (width<=1080px) and (width>=881px){.header-inner{gap:12px}.desktop-nav .nav-link{padding-inline:8px;font-size:.95rem}.site-header .header-download{margin-left:6px;padding-inline:12px}}@media (width<=640px){.download-start ol{grid-template-columns:1fr;gap:20px}.lesson-next-action{flex-direction:column;align-items:stretch;padding:22px}.lesson-next-action .button{white-space:normal;text-align:center}.hero h1 .h1-brand{font-size:clamp(1.65rem,7.6vw,2.65rem)}.edition-card{padding:24px}}.edition-card .edition-label{color:var(--brand-dark);background:#e7f8fc}.edition-card:not(.recommended) .edition-label{color:#4a6b86;background:#eef4f8}.about-download{width:100%;margin-top:24px}.about-head{padding-bottom:62px}.about-head .about-grid{text-align:left;align-items:start;margin-top:46px}.about-head .about-grid .prose p:last-child{margin-bottom:0}.about-intro{background:0 0;border:0;flex-direction:column;justify-content:center;padding:4px 0;display:flex}.about-intro>p{margin:0 0 14px;font-size:1.02rem;line-height:1.85}.about-points{border-top:1px solid var(--line);gap:11px;margin:26px 0 0;padding:22px 0 0;list-style:none;display:grid}.about-points li{color:#44566b;padding-left:26px;font-size:.95rem;position:relative}.about-points li:before{color:#fff;background:var(--accent);content:"✓";border-radius:50%;place-items:center;width:17px;height:17px;font-size:.66rem;font-weight:900;display:grid;position:absolute;top:.1em;left:0}.about-intro>p{margin-bottom:18px;font-size:1.05rem;line-height:1.9}.about-points{gap:13px;padding-top:26px}.product-facts dl div:first-child{border-top:0;padding-top:0}.about-scenarios{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 34px;max-width:860px;margin:0 auto;font-size:1.02rem}.boundary-list{border:1px solid var(--line);background:#fff;border-radius:20px;max-width:760px;margin:0 auto;padding:6px 30px;list-style:none;display:grid;box-shadow:0 18px 46px #0835560d}.boundary-list li{color:#44566b;border-top:1px solid var(--line);grid-template-columns:26px minmax(0,1fr);align-items:baseline;gap:14px;padding:17px 0;font-size:1.02rem;display:grid}.boundary-list li:first-child{border-top:0}.boundary-mark{color:#b8791a;background:#fdf3e2;border-radius:50%;place-items:center;width:22px;height:22px;font-size:.72rem;font-weight:900;display:grid}@media (width<=640px){.about-scenarios{grid-template-columns:1fr}}@media (width>=641px){.compare-table thead th,.compare-table tbody th,.compare-table td{text-align:center;vertical-align:middle}}@media (width<=640px){.legal-body{padding:26px 22px}}.legal-body{border:1px solid var(--line);background:#fff;border-radius:20px;max-width:760px;margin:0 auto;padding:40px 44px;box-shadow:0 18px 46px #0835560d}.legal-body h2{color:var(--ink);margin:28px 0 12px;font-size:1.18rem}.legal-body h2:first-child{margin-top:0}.legal-body p{color:#44566b;margin:0 0 12px;font-size:1rem;line-height:1.85}.legal-body ul{color:#44566b;margin:0 0 12px;padding-left:22px;font-size:1rem;line-height:1.85}@media (width<=640px){.legal-body{padding:26px 22px}}
