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*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:18px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:break-word}a{color:#126AAE;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:#08548E}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #0A83B7;outline-offset:3px}button{font:inherit;cursor:pointer}img{max-width:100%}h1,h2,h3{color:var(--title);line-height:1.38;letter-spacing:-.018em}h1{font-size:clamp(2rem,3vw,2.25rem);margin:0 0 20px}h2{font-size:clamp(1.45rem,2.2vw,1.75rem);margin:0 0 20px}h3{font-size:1.24rem;margin:0 0 12px}p{margin:0 0 1.1em}h2+p{margin-top:0}main{min-height:58vh}.container{width:min(100% - 56px,1200px);margin-inline:auto}.reading{max-width:790px}.section{margin-block:62px}.section-kicker{font-size:12px;font-weight:800;color:#087D89;letter-spacing:.16em;text-transform:uppercase;margin-bottom:12px}.muted{color:var(--muted)}.lead{font-size:17px;color:#405E71;line-height:1.8}.text-link{font-weight:700;text-decoration:none;border-bottom:2px solid var(--teal)}.eyebrow{font-size:13px;letter-spacing:.12em;font-weight:800;color:#09818C;text-transform:uppercase}.skip-link{position:absolute;top:-100px;left:10px;z-index:200;background:white;padding:10px}.skip-link:focus{top:10px}
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.breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:9px;padding:27px 0 16px}.breadcrumb a{text-decoration:none}.page-intro{padding:20px 0 42px;border-bottom:1px solid var(--line)}.page-intro .lead{max-width:850px}.page-intro--muted{background:var(--mist);padding:35px 0}.page-intro--muted .breadcrumb{padding-top:0}.anchor-nav{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.anchor-nav a{font-size:14px;text-decoration:none;background:#fff;border:1px solid var(--line);padding:8px 14px;border-radius:9px;font-weight:700}.article-body{font-size:16.5px}.article-body p{line-height:1.83}.article-body ul,.article-body ol{padding-left:1.35em}.article-body li{margin:9px 0}.article-body h2{margin-top:39px}.article-body h3{margin-top:25px}.article-body section[id]{scroll-margin-top:20px}.callout{padding:22px 25px;border-left:4px solid var(--teal);background:var(--mint);border-radius:0 12px 12px 0}.callout p:last-child{margin-bottom:0}.fact-box{background:white;border:1px solid var(--line);border-radius:12px;padding:22px}.fact-box h3{font-size:18px}.fact-box ul{padding-left:20px;margin-bottom:0}.fact-box li{margin:8px 0}.fact-box a{font-weight:700}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px;border-bottom:1px solid var(--line);padding-bottom:12px}.section-heading h2{margin:0}.section-heading small{color:var(--muted)}.soft-panel{background:var(--mist);padding:28px;border-radius:14px}.dark-panel{background:var(--deep);color:#EAF7FA;border-radius:14px;padding:28px}.dark-panel h2,.dark-panel h3{color:#fff}.dark-panel a{color:#99F3F0}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center}.split-wide{grid-template-columns:1.1fr .9fr}.split>* ,.grid-2>*,.grid-3>*,.hero-grid>*,.feature-grid>*,.article-layout>*,.service-layout>*{min-width:0}.number-steps{counter-reset:step;display:grid;gap:15px}.number-steps>div{display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;align-items:start;border-bottom:1px solid var(--line);padding:0 0 15px}.number-steps>div:before{counter-increment:step;content:counter(step,decimal-leading-zero);font-size:22px;color:#087E8A;font-weight:800}.number-steps h3{margin:0 0 6px}.number-steps p:last-child{margin-bottom:0}.table-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--line);border-radius:12px;background:white}.data-table{border-collapse:collapse;width:100%;min-width:620px;font-size:15px;text-align:left}.data-table caption{text-align:left;font-size:13px;color:var(--muted);padding:12px 16px 0}.data-table th,.data-table td{padding:15px 17px;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{background:#EAF1F6;color:var(--title);font-weight:800}.data-table tbody tr:last-child td{border-bottom:0}.data-table tbody tr:nth-child(even){background:#F9FBFD}.pill{display:inline-block;background:var(--mint);color:#0C6872;padding:3px 10px;font-size:12px;font-weight:800;border-radius:50px}
.media-frame{display:flex;align-items:center;justify-content:center;width:100%;min-width:0;padding:8px;border-radius:14px;background:var(--mist);margin:0}.media-frame img{display:block;width:auto;height:auto;max-width:100%;max-height:var(--media-limit,220px);object-fit:contain;object-position:center}.media-frame--hero{--media-limit:310px}.media-frame--feature{--media-limit:250px}.media-frame--article{--media-limit:220px}.media-frame--card{--media-limit:185px}.media-frame--wide{--media-limit:210px}.media-frame--mobile{--media-limit:350px;max-width:320px;margin:auto}.media-frame--logo{background:transparent;padding:0;border-radius:0}.media-frame--logo img{max-height:38px}.media-placeholder{min-height:110px;border:1px dashed #B6CBD7;color:#607B8A;font-size:13px;text-align:center}.media-frame--hero.media-placeholder{min-height:205px}.media-frame--mobile.media-placeholder{min-height:160px}.media-frame--logo.media-placeholder{min-height:0;display:none}
.hero-wrap{background:#fff;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:52fr 48fr;align-items:center;gap:38px;padding-top:52px;padding-bottom:55px}.home-hero h1{font-size:clamp(2.3rem,3.3vw,2.75rem)}.home-hero p{font-size:17px;max-width:620px}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 21px;border-radius:10px;text-decoration:none;font-weight:700;font-size:15px}.btn--primary{background:var(--deep);color:white}.btn--primary:hover{background:#235574;color:white}.btn--outline{border:1px solid #91B5C9;color:var(--navy)}.btn--outline:hover{background:var(--mist)}.topic-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px}.topic-index article{border-top:1px solid var(--line);padding:21px 0 24px;display:grid;grid-template-columns:35px minmax(0,1fr);gap:10px}.topic-index .topic-no{font-size:12px;color:#09818C;font-weight:800}.topic-index h3{font-size:20px;margin-bottom:7px}.topic-index p{font-size:15px;color:var(--muted);margin-bottom:8px}.topic-index a{font-weight:700;text-decoration:none}.feature-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}.feature-primary{background:var(--deep);color:#E2F2F7;border-radius:14px;padding:30px}.feature-primary h3{color:white;font-size:25px}.feature-primary a{color:#9BF0ED}.feature-side{display:grid;gap:18px}.feature-side article{background:white;border-top:3px solid var(--teal);padding:21px 23px;border-radius:0 0 12px 12px}.feature-side p{font-size:15px}.editorial-band{padding:24px 0;border-top:1px solid var(--line)}.lesson-stack{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;align-items:start}.lesson-stack article{background:white;border:1px solid var(--line);padding:23px;border-radius:12px}.lesson-stack article:nth-child(2){margin-top:24px}.lesson-stack article:nth-child(3){margin-top:48px}.lesson-stack strong{font-size:12px;color:#087E8A}.route-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#CDDDE6;border:1px solid #CDDDE6;border-radius:12px;overflow:hidden}.route-strip article{background:white;padding:20px}.route-strip article span{font-weight:800;color:#087E8A}.route-strip h3{font-size:17px;margin-top:8px}.route-strip p{font-size:14px}.route-strip a{font-weight:700;font-size:14px}.editor-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;font-size:14px;color:var(--muted)}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) minmax(200px,1fr);gap:46px;align-items:start}.aside-stack{display:grid;gap:20px;position:sticky;top:18px}.stage-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.stage-flow article{background:white;border:1px solid var(--line);padding:18px;border-radius:12px}.stage-flow strong{display:block;color:#087E8A}.sports-basics{background:white;padding:24px;border-left:4px solid var(--teal);border-radius:0 12px 12px 0}.football-article{max-width:890px}.football-article .media-frame{max-width:920px}.football-article .media-frame img{max-height:250px}.tactic-steps{background:var(--deep);border-radius:13px;padding:32px;color:#EDF6F9}.tactic-steps h2,.tactic-steps h3{color:white}.tactic-steps .number-steps>div{border-color:#3F657C}.tactic-steps .number-steps>div:before{color:#7BE2E8}.compact-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.compact-compare article{padding:20px;border:1px solid var(--line);border-radius:12px;background:white}.esport-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.esport-matrix article{padding:25px;border-top:4px solid var(--teal);background:white;border-radius:0 0 12px 12px}.esport-matrix p{font-size:15px}.esport-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.esport-flow div{background:var(--mint);border:1px solid #C4E8EA;border-radius:12px;padding:16px}.gallery-hero{padding-top:10px}.gallery-hero .media-frame{--media-limit:260px}.exhibition{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}.exhibition article{background:white;padding:20px;border:1px solid var(--line);border-radius:13px}.exhibition article:nth-child(2){margin-top:60px}.exhibition h3{margin:19px 0 9px}.rules-directory{display:flex;gap:10px;flex-wrap:wrap;padding:20px;background:white;border:1px solid var(--line);border-radius:12px}.rules-directory a{padding:7px 13px;background:var(--mist);border-radius:8px;text-decoration:none;font-weight:700}.rule-section{border-top:1px solid var(--line);padding-top:26px}.rule-section .media-frame{max-width:520px}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.faq-list summary{cursor:pointer;list-style-position:inside;font-weight:700;color:var(--title);padding:16px 19px}.faq-list details[open] summary{background:var(--mint);border-bottom:1px solid var(--line)}.faq-answer{padding:14px 20px 16px}.faq-answer p{margin:0}.service-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:46px;align-items:start}.service-sidebar{background:white;border:1px solid var(--line);border-radius:12px;padding:20px;position:sticky;top:18px}.service-sidebar a{display:block;padding:7px 0;font-size:14px}.service-layout .table-scroll{margin-bottom:28px}.related-reading{margin-block:65px;padding-top:25px;border-top:2px solid var(--deep)}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.related-links>div{background:white;border:1px solid var(--line);border-radius:11px;padding:19px}.related-links span{font-size:12px;color:var(--muted);display:block;margin-bottom:7px}.related-links a{font-weight:700;text-decoration:none}
.mobile-quick{display:none}.site-footer{background:var(--foot);color:#DCECF5;margin-top:62px}.footer-layout{display:grid;grid-template-columns:2fr 1fr;gap:90px;padding:46px 0 28px}.footer-layout p{font-size:14px;color:#C3D4E1;max-width:700px}.footer-brand{font-size:22px;color:white;text-decoration:none;font-weight:800}.footer-brand small{font-size:12px;display:block;font-weight:600;letter-spacing:.1em;color:#76D4DD}.footer-index{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;align-content:start}.footer-index strong{grid-column:1/-1;color:white}.footer-index a{color:#DCECF5;font-size:14px;text-decoration:none}.footer-bottom{border-top:1px solid #325166;padding:13px 0 20px;font-size:12px;color:#B1C6D4}.back-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;background:var(--navy);border:0;color:white;border-radius:10px;z-index:30}.back-top[hidden]{display:none}
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@media(max-width:380px){.brand-image img{max-width:155px}.register-link{padding:6px 9px}.route-strip,.esport-flow{grid-template-columns:1fr}.brand-fallback{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}