*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f7fb;color:#1e2f46;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit}img{max-width:100%}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:9000;background:rgba(255,255,255,.96);border-bottom:1px solid #e7edf5;backdrop-filter:blur(12px)}.header-inner{max-width:1180px;min-height:70px;margin:auto;padding:0 18px;display:flex;align-items:center;gap:20px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img,.drawer-logo img,.footer-logo img{display:block;width:auto;height:40px;max-width:160px;object-fit:contain}.nav-core{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}.nav-core a{padding:8px 13px;text-decoration:none;font-weight:700;color:#41536b;border-radius:10px;white-space:nowrap}.nav-core a:hover,.nav-core a.is-current{background:#eaf5ff;color:#006fd6}.header-actions{display:flex;align-items:center;gap:8px}.auth-btn{min-height:40px;min-width:78px;padding:8px 17px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;text-decoration:none;border:1px solid #0783e6}.auth-btn.solid{background:#0783e6;color:#fff;box-shadow:0 9px 20px rgba(7,131,230,.18)}.auth-btn.ghost{background:#fff;color:#0673c8}.menu-toggle{display:none;border:0;background:#edf7ff;color:#0673c8;font-weight:800;border-radius:9px;min-height:40px;padding:0 12px}.channel-bar{background:#11263e;color:#d6e6f8}.channel-inner{max-width:1180px;margin:auto;display:flex;gap:4px;padding:0 18px;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{flex:0 0 auto;text-decoration:none;padding:11px 10px;font-size:14px;white-space:nowrap}.channel-inner a:hover{background:#193651;color:#fff}.site-main{min-height:60vh;padding-bottom:36px}.page-shell,.section,.carousel,.news-hero,.split-feature,.service-banner{width:min(1180px,calc(100% - 36px));margin-left:auto;margin-right:auto}.carousel{margin-top:28px}.carousel-viewport{position:relative;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 16px 44px rgba(24,56,91,.08)}.carousel-slide{display:none}.carousel-slide.is-active{display:block}.carousel .media{height:310px;border-radius:0}.carousel-prev,.carousel-next{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:42px;height:42px;border:1px solid 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h2{font-size:24px;color:#17324f;margin:30px 0 10px}.article-card h3{font-size:19px;color:#17324f;margin:20px 0 8px}.article-card p,.article-card li{font-size:16.5px;color:#40546b}.article-card ul,.article-card ol{padding-left:22px}.article-media{margin:22px 0}.sidebar-stack{display:grid;gap:14px;position:sticky;top:100px}.info-box,.link-panel,.notice-card,.directory-list{padding:20px}.info-box h2,.link-panel h2,.notice-card h2,.directory-list h2{font-size:18px;margin:0 0 12px;color:#17324f}.link-panel a,.directory-list a{display:block;text-decoration:none;color:#17689e;padding:8px 0;border-bottom:1px solid #edf1f6}.link-panel a:last-child,.directory-list a:last-child{border-bottom:0}.related-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.related-links a{background:#eef7ff;color:#0673c8;text-decoration:none;padding:8px 12px;border-radius:9px;font-weight:700}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid #e3eaf2;border-radius:15px;padding:20px}.faq-item h2{font-size:19px;margin:0 0 8px;color:#17324f}.faq-item p{margin:0;color:#53657b}.auth-panel{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.side-float{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:8000;width:96px;background:#fff;border:1px solid #e0e8f1;border-radius:14px;padding:8px;display:grid;gap:6px;box-shadow:0 12px 28px rgba(23,50,79,.12)}.side-float>a:not(.auth-btn),.side-float button{border:0;background:#f5f9fd;color:#33506c;text-decoration:none;text-align:center;border-radius:8px;padding:8px 4px;font:inherit;font-size:13px;cursor:pointer}.side-float .auth-btn{min-width:0;padding:7px 5px;font-size:13px}.mobile-bottom{display:none}.site-footer{background:#11263e;color:#d6e5f4;padding:42px 18px 28px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:30px}.footer-grid h2{font-size:16px;color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#c6d8ea;text-decoration:none;margin:7px 0}.footer-brand p{color:#a9bfd4;max-width:360px}.footer-note{max-width:1180px;margin:28px auto 0;padding-top:18px;border-top:1px solid #29445f;color:#9db4c9;font-size:13px;display:flex;justify-content:space-between;gap:20px}.mobile-drawer,.drawer-mask{display:none}.drawer-open{overflow:hidden}
@media(max-width:1180px){.side-float{display:none}.topic-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:980px){.header-inner{min-height:64px;justify-content:space-between;padding:0 14px}.menu-toggle{display:inline-flex;align-items:center}.nav-core{display:none}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:34px;max-width:138px}.header-actions{gap:5px}.header-actions .auth-btn{min-width:60px;padding:7px 10px}.channel-bar{display:none}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(16,43,70,.16);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(16,43,70,.42);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #e8eef5}.drawer-logo img{height:34px}.drawer-close{min-height:40px;border:0;background:#eef6fd;color:#0b6fb7;border-radius:9px;padding:0 12px}.drawer-auth{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:14px}.drawer-auth a{text-decoration:none;text-align:center;border-radius:9px;padding:9px;background:#0783e6;color:#fff;font-weight:800}.drawer-group{padding:8px 16px 13px;border-top:1px solid #eff3f7}.drawer-group strong{display:block;color:#8a9aab;font-size:12px;letter-spacing:.08em;margin:4px 0 5px}.drawer-group a{display:block;text-decoration:none;color:#27435f;padding:8px 0}.news-hero{grid-template-columns:1fr}.hero-rail{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.split-feature{grid-template-columns:1fr}.article-wrap{grid-template-columns:1fr}.sidebar-stack{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.site-main{padding-bottom:78px}.header-actions .auth-btn{font-size:13px;min-width:54px;padding:7px 8px}.site-logo img{height:30px;max-width:118px}.page-shell,.section,.carousel,.news-hero,.split-feature,.service-banner{width:min(100% - 24px,1180px)}.carousel{margin-top:16px}.carousel .media{height:165px}.carousel-prev,.carousel-next{width:36px;height:36px;font-size:24px}.news-hero{margin-top:16px}.lead-story{padding:24px}.lead-story h1{font-size:30px}.lead-story p{font-size:16px}.hero-rail{grid-template-columns:1fr 1fr}.section{margin-top:28px}.section-head{align-items:start;flex-direction:column;gap:6px}.section-head h2,.split-copy h2,.service-copy h2{font-size:24px}.topic-grid{grid-template-columns:1fr 1fr;gap:10px}.topic-card{padding:16px}.story-grid{grid-template-columns:1fr}.split-feature{padding:16px}.service-banner{grid-template-columns:1fr;padding:16px}.article-card{padding:22px}.article-card h1{font-size:29px}.article-card h2{font-size:22px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8500;background:#fff;border-top:1px solid #dce6ef;display:grid;grid-template-columns:repeat(5,1fr);padding-bottom:max(0px,env(safe-area-inset-bottom))}.mobile-bottom a{text-align:center;text-decoration:none;color:#476079;padding:11px 3px;font-size:13px}.footer-grid{grid-template-columns:1fr}.footer-note{display:block}.footer-note p{margin:8px 0}}
@media(max-width:390px){.menu-toggle{padding:0 9px;font-size:13px}.header-actions .auth-btn{font-size:12px;min-width:49px;padding:6px}.site-logo img{max-width:104px;height:28px}.topic-grid{grid-template-columns:1fr}.hero-rail{grid-template-columns:1fr}}


/* V4 APP + 赛事导航版 */
body{background:#eef5fb}.site-header{border-bottom:0;box-shadow:0 8px 30px rgba(24,84,126,.08)}
.channel-bar{background:#eaf5ff;border-top:1px solid #dcecf9;border-bottom:1px solid #dcecf9}
.nav-core a.is-current,.nav-core a:hover{background:#e8f5ff;color:#0b77c9;border-radius:999px;box-shadow:none}
.app-hero{max-width:1180px;margin:28px auto 0;padding:0 18px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:20px}
.app-hero-main,.app-hero-side{background:#fff;border:1px solid #deebf5;border-radius:22px;box-shadow:0 14px 34px rgba(22,83,129,.08)}
.app-hero-main{padding:34px}.app-hero-main h1{margin:4px 0 14px;font-size:clamp(30px,4vw,48px);line-height:1.18;color:#143858}.app-hero-main p{margin:0 0 20px;color:#5a7187}.app-hero-side{padding:20px;display:grid;gap:10px}.app-hero-side a{display:block;padding:14px 16px;border-radius:14px;background:#f3f9ff;text-decoration:none;font-weight:800;color:#16496e}.app-hero-side a small{display:block;margin-top:3px;font-weight:400;color:#6a8297}
.nav-board{max-width:1180px;margin:24px auto 0;padding:0 18px}.nav-board-inner{background:#143858;border-radius:22px;padding:24px;color:#fff}.nav-board-inner h2{margin:0 0 16px;font-size:24px}.nav-board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.nav-board-grid a{padding:16px;border-radius:14px;background:rgba(255,255,255,.1);text-decoration:none}.nav-board-grid strong{display:block;font-size:17px}.nav-board-grid span{display:block;margin-top:4px;font-size:13px;color:#cfe5f5}.fixed-strip{max-width:1180px;margin:24px auto 0;padding:0 18px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.fixed-strip a{background:#fff;border:1px solid #deebf5;border-radius:18px;padding:20px;text-decoration:none;box-shadow:0 10px 26px rgba(22,83,129,.06)}.fixed-strip strong{display:block;color:#0b77c9;font-size:20px}.fixed-strip span{display:block;color:#687e91;margin-top:5px}
.app-feature{max-width:1180px;margin:24px auto 0;padding:0 18px;display:grid;grid-template-columns:390px minmax(0,1fr);gap:20px}.app-feature>div{background:#fff;border-radius:22px;border:1px solid #deebf5;padding:22px}.app-feature .media{height:100%;min-height:240px}.app-feature h2{margin:0 0 10px;color:#143858}.app-feature p{color:#61778b}.quick-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.quick-row a{padding:8px 12px;border-radius:999px;background:#eaf5ff;color:#0b77c9;text-decoration:none;font-weight:700}
.page-intro-grid{max-width:1180px;margin:22px auto 0;padding:0 18px;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:20px}.page-intro-grid .article-card{margin:0}.page-media-card{background:#fff;border:1px solid #deebf5;border-radius:20px;padding:18px;align-self:start;box-shadow:0 12px 28px rgba(22,83,129,.06)}.page-media-card .media{min-height:210px}.section-list{margin-top:22px;display:grid;gap:16px}.section-list section{padding:18px 0;border-top:1px solid #e4edf5}.section-list h2{margin:0 0 8px;color:#143858;font-size:22px}.section-list p{margin:0;color:#4f667a}.mini-index{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}.mini-index a{padding:12px 14px;border-radius:12px;background:#f2f8fd;text-decoration:none;color:#16496e;font-weight:700}
@media(max-width:980px){.app-hero,.app-feature,.page-intro-grid{grid-template-columns:1fr}.nav-board-grid{grid-template-columns:repeat(2,1fr)}.app-feature{grid-template-columns:1fr}.app-feature .media{min-height:200px}.fixed-strip{grid-template-columns:1fr}.mini-index{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.app-hero-main{padding:24px 20px}.nav-board-grid{grid-template-columns:1fr}.mini-index{grid-template-columns:1fr}.app-hero{margin-top:18px}}