:root{color-scheme:light;--ink:#132c3e;--muted:#62778b;--accent:#078b98;--green:#0eaa7b;--line:#dce9ee;--pale:#f2fafc;--white:#fff;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-synthesis:none;letter-spacing:0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--white);color:var(--ink);font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}img{max-width:100%;vertical-align:middle}h1,h2,h3,p,figure{margin:0}a:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #078b98;outline-offset:5px}[hidden]{display:none!important}.content-width,.header-inner{width:min(1160px,calc(100% - 64px));margin-inline:auto}.site-header{height:80px;border-bottom:1px solid var(--line);background:#fcfefe}.header-inner{height:100%;display:flex;justify-content:space-between;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-icon{border:1px solid #cce6ed;border-radius:8px;background:#fff;padding:3px}.brand strong{display:block;font-size:18px;font-weight:700;line-height:1.4}.brand-caption{display:block;color:var(--muted);font-size:11px}.site-header nav{display:flex;gap:18px;align-items:center}.site-header nav a{padding:8px 14px;color:var(--muted);font-size:14px;border:1px solid transparent;border-radius:6px}.site-header nav a:hover{color:var(--accent)}.site-header nav .nav-active{color:var(--ink);background:#e9f6fa;border-color:#c7e4ed}
.product-intro{background:var(--pale);text-align:center;overflow:hidden;padding-top:38px;border-bottom:1px solid var(--line)}.intro-copy{position:relative;z-index:1;padding-inline:20px}.eyebrow{font-size:13px;font-weight:700;color:#099c7a;margin-bottom:2px}h1{font-size:50px;line-height:1.4;font-weight:800;display:flex;justify-content:center;align-items:center;gap:12px}.version{font-size:12px;line-height:1.5;font-weight:600;color:#53778a;border:1px solid #cce0e8;border-radius:4px;padding:2px 7px;align-self:center;margin-top:9px}.intro-subtitle{font-size:21px;margin-top:6px;font-weight:500}.intro-detail{color:var(--muted);font-size:13px;margin-top:7px}.product-visual{width:min(1080px,calc(100% - 40px));margin:14px auto 0}.product-visual img{width:100%;height:auto;display:block}
.download-section{padding:35px 0 30px;scroll-margin-top:12px}.download-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.section-kicker{font-size:11px;line-height:1.5;color:var(--accent);font-weight:700;margin-bottom:5px}h2{font-size:24px;line-height:1.5;font-weight:700}.platform-picker{display:flex;align-items:center;gap:10px;flex-shrink:0}.platform-picker label{font-size:12px;color:var(--muted)}select{min-height:40px;max-width:100%;min-width:185px;background:#fff;color:#365366;border:1px solid #cfdee5;border-radius:6px;padding:7px 30px 7px 12px;cursor:pointer;font-size:13px}.device-status{display:flex;align-items:flex-start;gap:8px;color:#557184;min-height:23px;font-size:12px;margin-top:12px;margin-bottom:17px}.status-dot{width:6px;height:6px;border-radius:50%;background:#0eaa7b;flex-shrink:0;margin-top:7px}.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.download-card{position:relative;min-width:0;padding:21px 23px 22px;border:1px solid #dce6eb;border-radius:8px;transition:border-color .2s,box-shadow .2s;background:#fff}.download-card:hover{border-color:#a7cbd6}.download-card.is-recommended{border-color:#0b9c8a;box-shadow:0 0 0 1px #0b9c8a;background:#f7fdfb}.package-heading{display:flex;align-items:center;justify-content:space-between;min-height:32px;margin-bottom:14px}.recommendation{font-size:11px;line-height:22px;background:#dcf5e9;color:#087a55;padding:0 8px;border-radius:4px;font-weight:700}.download-card h3{font-size:19px;line-height:1.5;font-weight:700;overflow-wrap:anywhere}.download-card h3 span{font-size:15px;font-weight:500;white-space:nowrap}.package-subtitle{font-size:12px;color:var(--muted);margin-top:4px}.package-meta{font-size:11px;color:#83929c;margin-top:6px}.download-button{margin-top:19px;min-height:43px;border:1px solid #c6dfe6;border-radius:5px;background:#edf7fa;color:#17627b;display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:700;cursor:pointer;padding:8px 12px;transition:background .15s}.download-button:hover{background:#e1f1f5}.is-recommended .download-button:not([aria-disabled=true]){background:#078f8c;border-color:#078f8c;color:#fff}.is-recommended .download-button:not([aria-disabled=true]) img{filter:brightness(0) invert(1)}.is-recommended .download-button:not([aria-disabled=true]):hover{background:#087d79}.download-button[aria-disabled=true]{background:#f1f4f5;border-color:#e5eaed;color:#8a99a4;cursor:not-allowed}.download-button[aria-disabled=true] img{opacity:.45}.download-note{display:flex;align-items:flex-start;gap:7px;margin-top:17px;font-size:11px;color:#7e909d}.download-note img{flex-shrink:0;margin-top:2px}.noscript-note{color:#9a5413;margin-top:15px}
.features-section{padding:45px 0 47px;background:#f7fbfc;border-block:1px solid #e5eef1}.section-title{text-align:center;margin-bottom:30px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.feature-item{min-width:0;padding:0 24px;border-left:1px solid #dce9ee}.feature-item:first-child{padding-left:0;border:0}.feature-item:last-child{padding-right:0}.feature-item h3{font-size:17px;font-weight:700;margin-top:15px;margin-bottom:8px}.feature-item p{color:var(--muted);font-size:12px;line-height:1.9}.feature-item:nth-child(2) img{filter:hue-rotate(320deg)}.feature-item:nth-child(3) img{filter:hue-rotate(40deg)}.help-section{padding:50px 0}.help-layout{display:grid;grid-template-columns:1fr 1.9fr;gap:55px}.help-caption{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.9}.questions{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:17px 0;cursor:pointer;font-size:14px;font-weight:600;list-style:none}summary::-webkit-details-marker{display:none}summary img{flex-shrink:0;transition:transform .2s}details[open] summary img{transform:rotate(180deg)}.answer{font-size:12px;color:var(--muted);padding:0 25px 18px 0;line-height:1.9}code{background:#eef4f6;padding:2px 5px;border-radius:3px;color:#29485c;white-space:nowrap}footer{border-top:1px solid var(--line);color:#7b8c99;font-size:11px;padding:22px 0}footer .content-width{display:flex;justify-content:space-between;gap:18px}
.download-title{display:block;text-align:left;font-size:24px;line-height:1.5;font-weight:700}.download-title .version{display:inline-block;vertical-align:middle;margin:0 0 0 9px}
@media(min-width:1500px){.product-visual{width:1150px}.product-intro{padding-top:45px}}
@media(max-width:900px){.content-width,.header-inner{width:calc(100% - 40px)}.download-grid{gap:12px}.download-card{padding:18px 16px}.download-card h3{font-size:17px}.download-card h3 span{display:block;font-size:13px}.feature-grid{gap:15px}.feature-item{padding:0 15px}.feature-item h3{font-size:15px}.help-layout{gap:28px;grid-template-columns:1fr 1.6fr}}
@media(max-width:600px){html{scroll-padding-top:15px}.content-width,.header-inner{width:calc(100% - 36px)}.site-header{height:68px}.brand{gap:8px}.brand-icon{width:35px;height:35px}.brand strong{font-size:16px}.brand-caption{font-size:10px}.site-header nav{gap:0}.site-header nav a{font-size:12px;padding:6px 9px}.site-header nav a:last-child{display:none}.product-intro{padding-top:27px}.eyebrow{font-size:11px}h1{font-size:38px;gap:9px}.version{font-size:10px;margin-top:6px}.intro-subtitle{font-size:17px;margin-top:5px}.intro-detail{font-size:11px;max-width:280px;margin:9px auto 0;line-height:1.8}.product-visual{width:calc(100% - 16px);margin:14px auto 10px}.download-section{padding:26px 0}.download-heading{align-items:flex-start;gap:12px}h2{font-size:19px}.section-kicker{font-size:10px}.platform-picker{display:block;max-width:43%;padding-top:3px}.platform-picker label{display:none}select{min-width:0;width:100%;font-size:11px;min-height:36px;padding:6px 20px 6px 8px}.device-status{font-size:11px;margin-top:12px;margin-bottom:15px;line-height:1.8}.download-grid{grid-template-columns:1fr;gap:12px}.download-card{padding:19px;display:grid;grid-template-columns:minmax(0,1fr) 120px;column-gap:12px}.package-heading{grid-column:1/-1;margin-bottom:10px}.package-heading img{width:27px;height:27px}.download-card h3{font-size:18px;grid-column:1}.download-card h3 span{display:block;font-size:13px}.package-subtitle{grid-column:1;font-size:11px;margin-top:5px}.package-meta{grid-column:1;margin-top:5px;font-size:10px}.download-button{grid-column:2;grid-row:2/5;align-self:center;margin-top:0;min-height:42px;font-size:12px;padding:8px;gap:5px}.download-button img{width:15px;height:15px}.recommendation{font-size:10px}.download-note{font-size:10px;line-height:1.9}.features-section{padding:30px 0}.section-title{text-align:left;margin-bottom:23px}.feature-grid{grid-template-columns:1fr;gap:23px}.feature-item,.feature-item:first-child,.feature-item:last-child{border:0;padding:0 0 0 43px;position:relative}.feature-item img{position:absolute;left:0;top:2px;width:25px;height:25px}.feature-item h3{font-size:15px;margin:0 0 5px}.feature-item p{font-size:11px}.help-section{padding:30px 0}.help-layout{grid-template-columns:1fr;gap:22px}.help-caption{margin-top:8px}.help-caption br{display:none}summary{font-size:13px;padding:16px 0}.answer{font-size:12px}footer{font-size:10px;padding:18px 0}}
@media(max-width:350px){.brand-caption{display:none}.site-header nav a{padding:5px 7px}.download-card{grid-template-columns:minmax(0,1fr) 110px;padding:16px}.download-button{font-size:11px}.download-card h3{font-size:16px}}
@media(max-width:600px){.download-title{font-size:19px}.download-title .version{margin-left:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}