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@media(max-width:600px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:72px}.brand img{width:37px;height:37px}.brand-name{font-size:22px}.brand small{font-size:8px;letter-spacing:1.6px}.main-nav{top:72px}.hero-shell{padding-top:14px}.tennis-hero-201yy-govcn{min-height:565px;align-items:flex-start;border-radius:5px}.hero-image{object-position:66% 50%}.hero-copy{padding:34px 25px 170px}.hero-copy h1{font-size:31px;line-height:1.5;letter-spacing:0;margin-bottom:17px}.hero-copy p{font-size:12px;line-height:1.95;max-width:330px;margin-bottom:24px}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.hero-actions .button{font-size:13px;padding:12px 20px;min-height:46px}.hero-actions .text-link{font-size:12px;gap:17px}.tennis-hero-201yy-govcn:after{background:linear-gradient(180deg,rgba(8,44,66,.72),rgba(15,62,84,.62) 55%,rgba(15,62,84,.02))}.field-strip{font-size:9px;gap:10px;padding-block:15px;letter-spacing:.1px}.field-strip>span:last-child{display:none}.section{padding-block:43px}.section-head{gap:18px;margin-bottom:23px}.section-head>.text-link{font-size:11px;gap:8px;white-space:nowrap}h2{font-size:24px}.eyebrow{font-size:9px;letter-spacing:1.5px;margin-bottom:10px}.section-intro{font-size:12px}.step{padding:22px 13px 22px 0!important}.step:nth-child(even){padding-left:17px!important}.step h3{font-size:14px}.step p{font-size:11px;min-height:79px;margin-bottom:13px}.step a{font-size:10px;gap:8px}.step-num{width:31px;height:31px;font-size:11px;margin-bottom:16px}.line-editorial{grid-template-columns:1fr;gap:30px;padding-bottom:43px}.editorial-photo img{aspect-ratio:1.65}.photo-caption{font-size:9px}.editorial-copy h2{font-size:26px}.editorial-copy>p{font-size:13px}.connection-path{font-size:11px;gap:10px}.connection-path strong{font-size:12px}.speed-copy h2{font-size:27px}.test-sheet{padding:22px 18px}.sheet-top strong{font-size:14px}.sheet-top span{font-size:8px}.sheet-labels{gap:6px}.sheet-labels span{font-size:9px;padding:3px 7px}th,td{padding:11px 7px;font-size:11px}th{font-size:10px}.sheet-note{font-size:10px}.device-head{grid-template-columns:1fr;gap:15px}.device-head p{font-size:12px}.device-item{padding:22px 15px 22px 0!important}.device-item:nth-child(even){padding-left:18px!important}.device-item h3{font-size:15px}.device-item p{font-size:11px;min-height:110px}.device-item .text-link{font-size:10px;gap:9px}.os-tag{font-size:10px}.device-item .device-icon{width:30px;height:30px;margin-bottom:15px}.article-grid{grid-template-columns:1fr;gap:23px}.note-card{grid-template-columns:112px 1fr;gap:18px;padding-bottom:23px}.note-card h3{font-size:14px;margin-top:4px}.note-card p{font-size:11px;line-height:1.8;margin-bottom:6px}.card-kicker{font-size:9px}.note-card.featured{grid-template-columns:1fr;gap:19px;padding-bottom:25px}.featured img{aspect-ratio:1.8}.featured h3{font-size:22px;margin:8px 0 11px}.featured p{font-size:12px}.featured .read-link{font-size:11px;margin-top:5px}.faq-grid{gap:22px}.faq-items summary{font-size:12px;padding-block:19px}.faq-items summary:after{top:17px}.faq-items details p{font-size:11px;padding-right:13px}.site-footer{padding-top:32px}.footer-top{flex-direction:column;gap:25px;padding-bottom:22px}.footer-navigation{gap:12px 20px;max-width:none;font-size:11px}.footer-bottom{font-size:9px;gap:17px;padding-top:21px}.filing-records{gap:9px 18px}.friend-links{gap:12px 20px;font-size:10px}.breadcrumb{padding:20px 0;font-size:10px;gap:7px}.breadcrumb a:after{margin-left:8px}.breadcrumb span{overflow-wrap:anywhere}.page-intro{padding:15px 0 28px}.page-intro h1{font-size:28px;line-height:1.6;margin-bottom:16px}.page-intro>p{font-size:13px}.page-banner{height:auto;aspect-ratio:1.75;object-fit:cover}.content-layout{padding-block:30px 45px;gap:29px}.prose{font-size:14px;line-height:2}.prose h2{font-size:22px;margin:32px 0 17px}.prose h3{font-size:17px}.prose blockquote,.callout{padding:19px;font-size:12px}.sidebar{padding:19px}.sidebar h2{font-size:13px;margin-bottom:10px}.sidebar nav{gap:0 17px}.sidebar a{font-size:11px}.article-header h1{font-size:26px;line-height:1.65}.article-meta{font-size:10px;gap:13px;margin-top:20px}.article-cover{aspect-ratio:1.8}.article-nav{gap:18px}.article-nav a{font-size:11px}.related-section h2{font-size:20px}.related-list a{font-size:12px;padding:13px 15px}.topic-links{padding:23px;grid-template-columns:1fr;gap:18px}.guide-controls{padding-block:18px;margin-bottom:25px;gap:17px}.filter-group{gap:6px}.filter-button{font-size:11px;padding:6px 12px}.about-lead{font-size:16px}.source-note{font-size:10px}.redirect-panel h1{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.field-strip .breadcrumb{padding:0;font-size:inherit;gap:9px;color:inherit}
.field-strip .breadcrumb span{white-space:nowrap}
@media(max-width:600px){.hero-image{object-position:88% 50%}}