/* Kaiyun Sports - responsive editorial style */
:root{--bg:#F5FBFF;--white:#fff;--pale:#EAF7FC;--mist:#DFF5FB;--cyan:#25C8D1;--sky:#25B6E8;--blue:#1787DB;--navy:#174B78;--ink:#173B60;--text:#2D4359;--muted:#687F93;--line:#DCEBF3;--footer:#123653;--shadow:0 16px 50px rgba(23,75,120,.075);--rad:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 Arial,'PingFang SC','Microsoft YaHei',sans-serif}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}img{max-width:100%}button{font:inherit;cursor:pointer}h1,h2,h3{color:var(--ink);line-height:1.36;letter-spacing:-.015em}h1{font-size:38px;margin:12px 0 21px}h2{font-size:25px;margin:0 0 19px}h3{font-size:19px;margin:0 0 12px}p{margin:0 0 16px}ul,ol{padding-left:1.3em}li{margin-bottom:7px}.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;top:-60px;left:12px;z-index:1000;background:#fff;padding:8px 16px}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 25px rgba(18,54,83,.045)}.header-inner{min-height:72px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;justify-content:flex-start;flex:0 0 auto;min-width:130px}.brand img{display:block;width:auto;height:37px;object-fit:contain}.brand-fallback{display:flex;align-items:baseline;gap:6px;color:var(--blue);font-size:24px;line-height:1;font-weight:800}.brand-fallback small{color:var(--navy);font-size:9px;letter-spacing:.15em}.desktop-nav{display:flex;align-items:center;justify-content:center;flex:1;gap:clamp(9px,1.3vw,24px)}.desktop-nav a{white-space:nowrap;font-size:14px;font-weight:700;color:var(--navy);padding:24px 0 21px;border-bottom:3px solid transparent}.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue);border-bottom-color:var(--cyan)}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-width:82px;height:42px;padding:0 20px;border-radius:999px;background:linear-gradient(110deg,#25C8D1,#25B6E8,#1787DB);color:#fff;font-weight:700;text-decoration:none;white-space:nowrap;box-shadow:0 8px 20px rgba(23,135,219,.15)}.main-btn:hover{color:white;filter:brightness(.96)}.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:transparent;border:0;padding:10px}.menu-toggle span{height:2px;background:var(--ink);width:100%;border-radius:8px}.drawer-overlay{position:fixed;inset:0;background:rgba(8,33,51,.52);z-index:60;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s,visibility .25s}.site-drawer{position:fixed;left:0;top:0;bottom:0;width:min(86vw,340px);background:white;z-index:61;overflow-y:auto;transform:translateX(-103%);visibility:hidden;transition:transform .25s,visibility .25s;box-shadow:var(--shadow);padding:20px 22px 32px}.menu-open .drawer-overlay{visibility:visible;opacity:1;pointer-events:auto}.menu-open .site-drawer{transform:translateX(0);visibility:visible}.drawer-head{display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:10px}.drawer-close{background:none;border:0;font-size:32px;line-height:1;color:var(--navy)}.drawer-brand{font-weight:900;color:var(--blue);padding:18px 0 2px;font-size:20px}.drawer-brand small{font-size:9px;color:var(--muted);display:block;letter-spacing:2px}.drawer-group{font-size:12px;letter-spacing:.08em;color:var(--muted);font-weight:800;margin:19px 0 6px}.site-drawer nav a{display:block;padding:9px 10px;border-radius:7px;font-weight:650;color:var(--ink);font-size:15px}.site-drawer nav a:hover,.site-drawer nav a.active{background:var(--pale);color:var(--blue)}.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.hero{padding:56px 0 30px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}.hero h1{max-width:630px}.hero p{max-width:580px;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin-top:24px}.ghost-btn{display:inline-flex;align-items:center;padding:9px 20px;border:1px solid #BCDDE9;border-radius:999px;color:var(--navy);background:#fff;font-weight:700}.ghost-btn:hover{border-color:var(--blue)}.media{display:flex;align-items:center;justify-content:center;width:100%;overflow:hidden;background:var(--pale);border-radius:14px;margin:0}.media img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.hero-media{height:310px;background:linear-gradient(140deg,#E3F8FD,#CFE9F6)}.feature-media{height:225px}.wide-media{height:250px}.portrait-media{height:330px;max-width:250px;margin:0 auto}.media-placeholder{position:relative;min-height:150px;background:linear-gradient(135deg,#dff5fb,#eaf7fc 50%,#d3edf7)}.media-placeholder::before,.media-placeholder::after{content:'';position:absolute;border-radius:50%;border:1px solid rgba(23,135,219,.13);width:60%;aspect-ratio:1;left:45%;top:-42%}.media-placeholder::after{left:-14%;top:45%;width:44%}.media-placeholder-mark{width:92px;height:92px;border:1px solid rgba(23,135,219,.22);border-radius:28px;transform:rotate(-24deg);background:linear-gradient(130deg,rgba(37,200,209,.08),rgba(23,135,219,.13))}.section{padding:36px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-head h2{margin:5px 0 0}.section-head a{font-size:14px;font-weight:700;color:var(--blue)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card,.article-card,.panel,.quote-panel,.metric-card{background:white;border:1px solid var(--line);border-radius:var(--rad);padding:24px;box-shadow:var(--shadow)}.topic-card{display:block;transition:transform .2s,border-color .2s}.topic-card:hover{transform:translateY(-3px);border-color:#9EDFE9}.topic-card h3{margin-top:10px}.topic-card p{color:var(--muted);font-size:15px}.topic-card .arrow{font-size:14px;color:var(--blue);font-weight:800}.index-no{font-size:13px;font-weight:800;color:var(--cyan)}.feature-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}.feature-grid .panel{padding:28px}.feature-grid ul{margin-bottom:0}.story-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.story-list a{padding:20px 22px;border:1px solid var(--line);border-radius:12px;background:white;display:block}.story-list a strong{display:block;color:var(--ink);font-size:16px}.story-list a span{display:block;color:var(--muted);font-size:14px;margin-top:5px}.story-list a:hover{border-color:var(--sky)}.page-intro{padding:54px 0 20px}.page-intro .lede{max-width:820px;font-size:17px;color:#4B6276}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:10px}.breadcrumbs a{color:var(--blue)}.content-shell{display:grid;grid-template-columns:minmax(0,800px) minmax(215px,1fr);gap:36px;align-items:start;padding-bottom:35px}.article-body{min-width:0}.article-body>section{margin:26px 0 42px}.article-body h2{border-left:4px solid var(--cyan);padding-left:15px;margin-bottom:18px}.article-body h3{margin-top:24px}.article-body p,.article-body li{font-size:16px;line-height:1.83}.side-index{position:sticky;top:100px;background:#fff;border:1px solid var(--line);padding:22px;border-radius:14px}.side-index strong{color:var(--ink);display:block;margin-bottom:10px}.side-index a{display:block;padding:7px 0;font-size:14px;color:var(--navy);border-bottom:1px solid var(--line)}.side-index a:last-child{border:0}.side-index a:hover{color:var(--blue)}.comparison{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0}.comparison .panel{box-shadow:none}.comparison h3{color:var(--blue)}.callout{border-left:4px solid var(--cyan);padding:18px 22px;background:var(--pale);border-radius:0 12px 12px 0;margin:23px 0}.callout p:last-child{margin-bottom:0}.numbered{counter-reset:step;list-style:none;padding:0}.numbered li{counter-increment:step;position:relative;padding:0 0 14px 46px;margin:0 0 16px;border-bottom:1px solid var(--line)}.numbered li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:0;color:var(--blue);font-weight:800;font-size:16px}.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line);margin:22px 0}table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px;background:#fff}th,td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--pale);color:var(--ink)}tr:last-child td{border-bottom:0}.timeline{border-left:2px solid #b7e6ef;margin:20px 0 25px 10px;padding-left:27px}.timeline>div{position:relative;margin-bottom:25px}.timeline>div:before{content:'';position:absolute;left:-35px;top:7px;width:12px;height:12px;background:var(--cyan);border-radius:50%;border:3px solid var(--bg)}.timeline h3{margin:0 0 5px}.related{margin:30px 0 54px}.related h2{margin-bottom:18px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-grid a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:10px;font-weight:700;font-size:14px;color:var(--navy)}.related-grid a:hover{border-color:var(--cyan);color:var(--blue)}.tag{display:inline-flex;border-radius:30px;background:var(--pale);padding:3px 11px;color:var(--blue);font-weight:800;font-size:12px;margin-bottom:10px}.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:15px 18px}.faq summary{cursor:pointer;font-weight:700;color:var(--ink)}.faq details p{margin:10px 0 0;color:var(--text)}.site-footer{margin-top:40px;background:var(--footer);color:#EAF7FF}.footer-layout{display:grid;grid-template-columns:1.35fr .7fr 1fr;gap:60px;padding:48px 0 30px}.footer-brand{font-size:24px;font-weight:800;margin-bottom:12px}.footer-brand span{font-size:12px;font-weight:700;letter-spacing:2px}.footer-intro p:not(.footer-brand),.footer-note p{font-size:14px;color:#C4DCEC}.footer-links strong,.footer-note strong{display:block;color:#fff;margin-bottom:14px}.footer-links a{display:block;font-size:14px;margin:6px 0;color:#C4DCEC}.footer-note a{font-weight:800;font-size:14px;color:#8CE5ED}.copyright{padding:17px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#B4D1E4}.mobile-bottom{display:none}.back-top{position:fixed;right:20px;bottom:22px;width:42px;height:42px;background:var(--blue);color:#fff;border:0;border-radius:50%;font-size:20px;box-shadow:var(--shadow);z-index:35;opacity:0;visibility:hidden;transition:opacity .2s}.back-top.show{opacity:1;visibility:visible}
@media(max-width:1100px){.desktop-nav{gap:10px}.desktop-nav a{font-size:13px}.header-inner{gap:14px}.brand{min-width:110px}}@media(max-width:980px){.header-inner{min-height:60px;justify-content:space-between}.desktop-nav{display:none}.menu-toggle{display:flex}.brand{min-width:0;position:absolute;left:50%;transform:translateX(-50%)}.brand img{height:29px;max-width:132px}.brand-fallback{font-size:20px}.header-cta{margin-left:auto;height:39px;padding:0 13px;font-size:13px}.hero-grid{gap:22px}.content-shell{grid-template-columns:1fr}.side-index{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px;order:-1}.side-index strong{width:100%;margin:0}.side-index a{border:0;padding:5px 8px;background:var(--pale);border-radius:7px}.footer-layout{gap:25px}}@media(max-width:700px){.container{width:calc(100% - 32px)}body{font-size:15px}h1{font-size:29px}h2{font-size:21px}h3{font-size:18px}.hero{padding:30px 0 20px}.hero-grid{grid-template-columns:1fr}.hero-grid .hero-media{grid-row:1;height:205px}.hero p,.page-intro .lede{font-size:15.5px}.section{padding:23px 0}.section-head{align-items:start}.topic-grid,.feature-grid,.story-list,.comparison{grid-template-columns:1fr}.topic-card,.article-card,.panel{padding:20px}.feature-grid .panel{padding:21px}.hero-actions{margin-top:15px}.page-intro{padding:29px 0 10px}.content-shell{gap:10px}.article-body>section{margin:20px 0 34px}.article-body p,.article-body li{font-size:15.5px}.feature-media,.wide-media{height:170px}.portrait-media{height:290px}.related-grid{grid-template-columns:1fr}.footer-layout{grid-template-columns:1fr;gap:24px;padding:36px 0}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:5px}.footer-links strong{grid-column:1/-1}.site-footer{margin-top:20px;padding-bottom:58px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:54px;background:#fff;border-top:1px solid var(--line);z-index:35}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--navy)}.mobile-bottom a:hover{color:var(--blue)}.back-top{bottom:68px;right:12px}.hero h1{margin-top:8px}.site-drawer{padding-bottom:70px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important}}