/* KAIYUN SPORTS · 本地样式，不依赖第三方库 */
:root{--bg:#f5fbff;--panel:#fff;--soft:#eaf7fc;--pale:#dff5fb;--cyan:#25c8d1;--sky:#25b6e8;--blue:#1787db;--navy:#174b78;--heading:#173b60;--body:#2d4359;--muted:#687f93;--border:#dcebf3;--footer:#123653;--shadow:0 12px 34px rgba(25,75,116,.075)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--body);background:var(--bg)}body.drawer-open{overflow:hidden}a{color:var(--navy);text-decoration:none}a:hover{color:var(--blue)}button{font:inherit;cursor:pointer}img{display:block;max-width:100%}.container{max-width:1160px;padding:0 24px;margin:auto}.skip{position:absolute;left:-999px;top:10px;z-index:200;background:#fff;padding:8px}.skip:focus{left:12px}.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:90}.header-inner{height:72px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:9px;flex-shrink:0;min-width:160px}.brand img{width:auto;height:38px;max-width:174px;object-fit:contain}.brand-mark{display:grid;place-items:center;border-radius:11px;width:40px;height:40px;color:white;background:linear-gradient(125deg,var(--cyan),var(--blue));font-size:25px;font-weight:800}.brand-word{font-size:21px;font-weight:800;line-height:1.15;white-space:nowrap}.brand-word small{display:block;font-size:8px;letter-spacing:1.6px;color:var(--muted)}.desktop-nav{display:flex;align-items:center;gap:20px;justify-content:center;flex:1;white-space:nowrap}.desktop-nav a{font-weight:700;font-size:14px;padding:23px 0;position:relative}.desktop-nav a.active{color:var(--blue)}.desktop-nav a.active:after{content:"";position:absolute;bottom:0;height:3px;background:var(--cyan);left:0;right:0}.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;white-space:nowrap;box-shadow:0 6px 14px #25b6e82b}.main-btn:hover{color:#fff;filter:brightness(.96)}.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:white;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{width:19px;height:2px;background:var(--navy)}.drawer-overlay{position:fixed;inset:0;background:#07243c99;z-index:99;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s,visibility .22s}.site-drawer{position:fixed;inset:0 auto 0 0;width:min(86vw,340px);background:#fff;z-index:100;transform:translateX(-103%);visibility:hidden;transition:transform .22s,visibility .22s;overflow-y:auto;box-shadow:var(--shadow)}body.drawer-open .drawer-overlay{opacity:1;visibility:visible;pointer-events:auto}body.drawer-open .site-drawer{transform:translateX(0);visibility:visible}.drawer-top{padding:17px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);color:var(--navy)}.drawer-close{border:none;background:var(--soft);border-radius:10px;font-size:27px;width:38px;height:38px;line-height:1}.drawer-body{padding:9px 17px 30px}.drawer-heading{color:var(--blue);font-size:12px;letter-spacing:1px;margin:18px 0 5px;font-weight:800}.drawer-body a{display:block;padding:8px 11px;border-radius:9px;font-size:15px}.drawer-body a:hover{background:var(--soft)}.section{margin:40px auto}.hero{display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:32px;padding:52px 0 28px}.kicker{display:inline-flex;gap:8px;align-items:center;text-transform:uppercase;font-size:12px;color:var(--blue);font-weight:800;letter-spacing:1.1px}.kicker:before{content:"";width:20px;height:3px;background:var(--cyan);border-radius:4px}.hero h1{font-size:40px;line-height:1.32;color:var(--heading);margin:16px 0}.lead{font-size:17px;line-height:1.85;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:23px}.outline-btn{border:1px solid #b6dce9;background:white;padding:8px 21px;border-radius:99px;font-weight:700}.media{background:var(--soft);overflow:hidden;border-radius:17px;display:flex;justify-content:center;align-items:center;min-height:160px;max-height:100%;box-shadow:0 3px 16px #16426908}.media img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.media--empty{background:linear-gradient(145deg,#dff5fb,#eaf7fc 65%,#ccecf5);border:1px solid var(--border);color:#4a8cac;text-align:center;font-weight:700;letter-spacing:1px}.media--empty span{max-width:80%;font-size:18px}.hero-media{height:300px}.feature-media{height:214px}.card-media{height:158px}.portrait-media{height:290px;max-width:360px}.banner-media{height:210px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-head h2,h2{font-size:26px;line-height:1.4;color:var(--heading);margin:0 0 13px}.section-head p{margin:0;color:var(--muted)}h3{font-size:20px;line-height:1.5;color:var(--heading);margin:0 0 10px}p{margin:0 0 16px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{background:white;border:1px solid var(--border);border-radius:16px;padding:23px;box-shadow:var(--shadow);min-width:0}.card h3{font-size:19px}.card p:last-child{margin-bottom:0}.card-link{display:inline-block;color:var(--blue);font-weight:700;margin-top:3px}.tag{display:inline-block;background:var(--soft);color:var(--blue);padding:2px 10px;border-radius:50px;font-size:12px;font-weight:700;margin-bottom:12px}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}.split.reverse{grid-template-columns:.9fr 1.1fr}.muted{color:var(--muted)}.index-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.index-links a{display:flex;justify-content:space-between;background:white;border:1px solid var(--border);padding:15px 20px;border-radius:13px;font-weight:700}.index-links a:hover{border-color:var(--cyan);box-shadow:var(--shadow)}.page-intro{padding:45px 0 25px;border-bottom:1px solid var(--border)}.page-intro h1{font-size:34px;line-height:1.38;margin:13px 0;color:var(--heading)}.page-intro .lead{margin-bottom:0}.article{max-width:820px;margin:36px auto 55px}.article h2{margin:34px 0 16px;padding-top:5px}.article h3{margin:24px 0 10px}.article p,.article li{line-height:1.85}.article ul,.article ol{padding-left:23px}.article li{margin:8px 0}.article-block{padding:22px 25px;border:1px solid var(--border);background:#fff;border-radius:15px;margin:25px 0}.article-block h2{margin-top:0}.note{padding:18px 20px;border-left:4px solid var(--cyan);background:var(--soft);margin:22px 0;border-radius:0 10px 10px 0}.comparison{width:100%;border-collapse:collapse;margin:20px 0;background:white}.comparison th,.comparison td{border:1px solid var(--border);padding:12px 14px;text-align:left;vertical-align:top}.comparison th{background:var(--soft);color:var(--heading)}.timeline{counter-reset:step;list-style:none;padding-left:0!important}.timeline li{position:relative;margin:0 0 15px!important;background:#fff;padding:16px 20px 16px 65px;border:1px solid var(--border);border-radius:13px}.timeline li:before{counter-increment:step;content:counter(step);position:absolute;left:17px;top:16px;display:grid;place-items:center;background:var(--blue);color:white;border-radius:50%;width:30px;height:30px;font-weight:800}.two-column-article{display:grid;grid-template-columns:1fr 1fr;gap:22px}.related{margin-top:42px;border-top:1px solid var(--border);padding-top:26px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-grid a{padding:16px;background:var(--soft);border-radius:11px;font-weight:700}.faq details{border:1px solid var(--border);border-radius:11px;background:#fff;margin:10px 0;padding:15px 19px}.faq summary{cursor:pointer;font-weight:700;color:var(--heading)}.faq details p{margin:12px 0 0}.site-footer{background:var(--footer);color:#eaf7ff;padding:44px 0 18px;margin-top:60px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}.footer-grid p{font-size:14px;color:#d6e9f6;max-width:550px}.footer-brand{font-size:24px}.footer-brand small{font-size:11px;letter-spacing:2px}.footer-grid nav{display:flex;flex-direction:column;gap:7px}.footer-grid nav strong{margin-bottom:9px}.footer-grid a{color:#eaf7ff;font-size:14px}.footer-grid a:hover{color:#69dfeb}.footer-bottom{border-top:1px solid #ffffff28;padding-top:16px;margin-top:32px;font-size:12px;color:#c4d8e6}.mobile-tabs{display:none}.back-top{position:fixed;right:22px;bottom:24px;width:42px;height:42px;border:0;border-radius:50%;background:var(--blue);color:white;font-size:21px;z-index:40;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s}.back-top.visible{opacity:1;visibility:visible}:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
@media(max-width:1100px){.desktop-nav{gap:12px}.header-inner{gap:14px}.desktop-nav a{font-size:13px}.brand{min-width:auto}.header-cta{padding:0 14px}}
@media(max-width:980px){.desktop-nav{display:none}.menu-toggle{display:flex}.header-inner{height:60px;justify-content:space-between;position:relative}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{height:29px;max-width:140px}.brand-mark{height:30px;width:30px;font-size:19px}.brand-word{font-size:17px}.brand-word small{font-size:7px}.header-cta{height:40px;font-size:13px;padding:0 14px}.mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);bottom:0;left:0;right:0;background:white;border-top:1px solid var(--border);z-index:85;box-shadow:0 -6px 25px #1d668008;padding-bottom:env(safe-area-inset-bottom)}.mobile-tabs a{padding:9px 2px;text-align:center;font-weight:700;font-size:13px}.mobile-tabs a.active{color:var(--blue)}body{padding-bottom:52px}.back-top{bottom:76px}.hero{gap:24px}.hero h1{font-size:34px}}
@media(max-width:700px){.container{padding:0 16px}.hero{grid-template-columns:1fr;padding:27px 0 5px}.hero .hero-media{grid-row:1;height:205px}.hero h1{font-size:29px}.lead{font-size:15px}.section{margin:29px auto}.section-head h2,h2{font-size:22px}.page-intro{padding:27px 0 21px}.page-intro h1{font-size:27px}.grid-3,.grid-2,.index-links,.split,.split.reverse,.two-column-article,.related-grid,.footer-grid{grid-template-columns:1fr}.card{padding:18px}.split,.split.reverse{gap:18px}.feature-media{height:175px}.card-media{height:145px}.portrait-media{height:240px}.banner-media{height:165px}.article{margin:27px auto 35px}.article h2{margin-top:29px}.article-block{padding:17px}.comparison{font-size:14px}.comparison th,.comparison td{padding:9px 10px}.footer-grid{gap:24px}.site-footer{padding-top:32px}.footer-bottom{margin-top:25px}.section-head{align-items:start}.back-top{right:12px}.header-inner{gap:8px}}
@media(max-width:370px){.brand-word{font-size:14px}.brand-mark{width:27px;height:27px}.header-cta{min-width:0;padding:0 9px;font-size:12px}.menu-toggle{width:38px;height:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}