*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F3F7FB;color:#183247;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:#0E78B7;text-decoration:none}a:hover{color:#075C8C}img{max-width:100%}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:9000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(14,120,183,.10)}.header-inner{max-width:1180px;min-height:68px;margin:0 auto;padding:0 18px;display:flex;align-items:center;gap:18px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img,.drawer-logo img,.footer-logo img{display:block;width:auto;object-fit:contain}.site-logo img{height:38px;max-width:150px}.nav-core{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;min-width:0}.nav-core a{padding:9px 11px;border-radius:999px;color:#29475C;font-weight:700;white-space:nowrap}.nav-core a:hover,.nav-core a.is-current{background:#E6F5FD;color:#0879B8}.auth-actions{display:flex;gap:8px;flex:0 0 auto}.auth-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border-radius:999px;font-weight:800;white-space:nowrap}.auth-register{background:linear-gradient(135deg,#1DB9E8,#0879B8);color:#fff;box-shadow:0 10px 24px rgba(8,121,184,.2)}.auth-register:hover{color:#fff}.auth-login{border:1px solid rgba(8,121,184,.3);background:#fff;color:#0879B8}.menu-btn{display:none;background:#fff;border:1px solid rgba(8,121,184,.22);color:#0879B8;border-radius:10px;min-height:40px;padding:0 12px;font-weight:800}.channel-bar{background:#0F2E43;color:#DCEAF3}.channel-inner{max-width:1180px;margin:0 auto;padding:0 16px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{color:#DCEAF3;white-space:nowrap;padding:10px 11px;font-size:14px}.channel-inner a:hover{background:rgba(255,255,255,.08);color:#fff}.site-main{min-height:60vh}.wrap{max-width:1180px;margin:0 auto;padding:0 18px}.section{padding:46px 0}.section-tight{padding:24px 0}.hero-title{padding:34px 0 4px}.hero-title .eyebrow{color:#0C8ECC;font-weight:800;letter-spacing:.08em}.hero-title h1{font-size:clamp(30px,5vw,48px);line-height:1.18;margin:8px 0 14px;color:#102E42}.hero-title p{max-width:820px;margin:0;color:#597187;font-size:17px}.slider-wrap{padding:22px 0 14px}.slider{position:relative;z-index:1;border-radius:20px;background:#E8F2F8;overflow:hidden;aspect-ratio:16/5;box-shadow:0 18px 48px rgba(15,46,67,.10)}.slide{display:none;width:100%;height:100%}.slide.is-active{display:block}.slide img{width:100%;height:100%;object-fit:contain;display:block}.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:42px;height:42px;border:0;border-radius:50%;background:rgba(15,46,67,.76);color:#fff;font-size:28px;cursor:pointer}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;z-index:2;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:7px}.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(15,46,67,.35);padding:0}.slider-dot.is-active{background:#0B90CC}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.feature-card,.text-card,.info-panel,.link-panel{background:#fff;border:1px solid rgba(15,93,138,.10);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(15,46,67,.06)}.feature-card h2,.text-card h2,.info-panel h2,.link-panel h2{margin:0 0 8px;color:#17384F;font-size:21px}.feature-card p,.text-card p,.info-panel p,.link-panel p{margin:0;color:#60778A}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-heading h2{margin:0;color:#12364D;font-size:28px}.section-heading p{margin:0;max-width:620px;color:#647B8D}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}.split.reverse{grid-template-columns:.95fr 1.05fr}.split-copy h2{font-size:30px;line-height:1.3;margin:0 0 14px;color:#12364D}.split-copy p{margin:0 0 12px}.media{position:relative;width:100%;overflow:hidden;border-radius:18px;background:#E8F2F8;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-placeholder{width:100%;height:100%;min-height:180px;background:linear-gradient(135deg,#E8F2F8,#DDEEF8)}.callout{background:linear-gradient(135deg,#0F2E43,#0E78B7);color:#fff;border-radius:20px;padding:26px}.callout h2{margin:0 0 8px;font-size:26px}.callout p{margin:0;color:#D9EDF8}.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.pill-row a{display:inline-flex;padding:8px 13px;border-radius:999px;background:#fff;color:#0E78B7;font-weight:800}.breadcrumb{font-size:14px;color:#718899;margin:18px 0 0}.breadcrumb a{color:#0E78B7}.article-shell{max-width:850px;margin:0 auto}.article-shell h1{font-size:clamp(30px,5vw,42px);line-height:1.25;margin:12px 0 12px;color:#102E42}.article-shell .lead{font-size:18px;color:#5C7486;margin:0 0 24px}.article-shell h2{font-size:25px;margin:30px 0 10px;color:#12364D}.article-shell p{margin:0 0 14px}.article-shell ul,.article-shell ol{padding-left:22px}.article-media{margin:22px 0}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:26px 0}.related-links a{background:#fff;border:1px solid rgba(14,120,183,.12);padding:13px 14px;border-radius:12px;font-weight:800}.faq-list details{background:#fff;border:1px solid rgba(14,120,183,.11);border-radius:14px;padding:14px 18px;margin:12px 0}.faq-list summary{font-weight:800;cursor:pointer;color:#163B53}.faq-list p{margin:10px 0 0}.floating-tools{position:fixed;z-index:8000;right:14px;top:35%;display:grid;gap:8px;width:88px}.floating-tools a,.floating-tools button{border:1px solid rgba(14,120,183,.15);background:#fff;color:#0E78B7;border-radius:11px;padding:9px 7px;text-align:center;font-weight:800;font-size:13px}.floating-tools .floating-primary{background:#0E78B7;color:#fff}.floating-tools button{cursor:pointer}.site-footer{margin-top:44px;background:#0F2E43;color:#DDEAF2}.footer-grid{max-width:1180px;margin:0 auto;padding:42px 18px;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:30px}.footer-grid section{display:flex;flex-direction:column;gap:8px}.footer-grid h2{font-size:16px;margin:0 0 5px;color:#fff}.footer-grid a{color:#CFE4EF}.footer-brand p{margin:8px 0 0;max-width:330px}.footer-logo img{height:38px;max-width:156px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px;text-align:center;font-size:13px;color:#BFD6E2}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.logo-text{font-weight:900;color:#0E78B7}.logo-text.light{color:#fff}.drawer-open{overflow:hidden}@media(max-width:980px){.channel-bar,.nav-core,.floating-tools{display:none}.header-inner{min-height:62px;padding:0 10px;gap:8px}.menu-btn{display:inline-flex;align-items:center}.site-logo{flex:1;justify-content:center}.site-logo img{height:34px;max-width:126px}.auth-actions{gap:5px}.auth-btn{min-height:38px;padding:0 11px;font-size:13px}.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)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(16,43,70,.38);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{height:64px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #E7EEF4}.drawer-logo img{height:34px;max-width:140px}.drawer-close{min-height:40px;border:0;background:#EEF7FC;color:#0E78B7;border-radius:10px;padding:0 12px;font-weight:800}.drawer-scroll{height:calc(100vh - 64px);overflow:auto;padding:14px}.drawer-scroll section{padding:8px 0 14px;border-bottom:1px solid #EEF3F7}.drawer-scroll h2{font-size:14px;color:#718899;margin:0 0 5px}.drawer-scroll a{display:block;padding:8px 0;font-weight:700;color:#24465B}.drawer-auth{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:18px 0 30px}.drawer-auth .auth-btn{display:flex}.slider{aspect-ratio:16/7}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr 1fr}.split,.split.reverse{grid-template-columns:1fr}.related-links{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8500;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid rgba(14,120,183,.16);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;padding:10px 3px;color:#36586C;font-size:13px;font-weight:800}.site-footer{padding-bottom:56px}}
@media(max-width:560px){.header-inner{gap:5px}.menu-btn{padding:0 9px;font-size:12px}.site-logo img{height:30px;max-width:104px}.auth-btn{min-height:36px;padding:0 9px;font-size:12px}.slider{aspect-ratio:16/8}.slider-prev,.slider-next{width:36px;height:36px}.grid-3,.grid-4,.related-links,.footer-grid{grid-template-columns:1fr}.section{padding:32px 0}.section-heading{display:block}.section-heading p{margin-top:6px}.hero-title h1{font-size:30px}.article-shell h1{font-size:30px}.wrap{padding:0 14px}.feature-card,.text-card,.info-panel,.link-panel{padding:18px}.footer-grid{padding:34px 18px}.auth-actions{gap:4px}}


.home-intro{padding:34px 0 20px}.home-intro .intro-box{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:16px;padding:28px;box-shadow:0 12px 26px rgba(19,124,216,.08)}.home-intro h1{margin:0 0 12px;color:#137CD8;font-size:clamp(28px,4vw,40px);line-height:1.25}.home-intro p{margin:0;color:#5D718A;font-size:17px}.route-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px}.route-card{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:16px;padding:24px;min-height:170px}.route-card h2{margin:0 0 10px;color:#137CD8;font-size:22px}.route-card p{margin:0;color:#5D718A}.brand-strip{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.brand-strip a{display:flex;align-items:center;justify-content:center;min-height:58px;padding:10px;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;font-weight:700}.mini-note{background:#F4F8FF;border-left:4px solid #2FA8F7;border-radius:12px;padding:18px 20px;color:#425B72}.article-kicker{font-weight:700;color:#2FA8F7;letter-spacing:.04em;margin-bottom:8px}.article-list{padding-left:20px}.article-list li{margin:8px 0}.service-band{background:#102B46;color:#EAF6FF;border-radius:16px;padding:24px}.service-band h2{color:#fff;margin-top:0}.service-band a{color:#8FD9FF}.service-band .pill-row a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#fff}
@media(max-width:980px){.route-grid{grid-template-columns:1fr}.brand-strip{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){.brand-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.home-intro .intro-box{padding:22px}}

/* V4 editorial layout */
.hero-note{padding:34px 0 18px}.hero-note-box{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:18px;padding:26px;box-shadow:0 12px 30px rgba(19,124,216,.09)}
.hero-note h1{font-size:clamp(28px,4.2vw,42px);line-height:1.22;color:#137CD8;margin:0 0 12px}.hero-note p{margin:0;color:#5D718A;font-size:17px;line-height:1.8}
.focus-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr;gap:16px}.focus-card{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:16px;padding:22px;min-height:176px}.focus-card h2{margin:0 0 9px;color:#137CD8;font-size:22px}.focus-card p{margin:0 0 12px;color:#5D718A}.focus-card a{font-weight:700}
.topic-ribbon{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.topic-ribbon a{display:flex;align-items:center;justify-content:center;text-align:center;min-height:60px;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;font-weight:700;padding:8px}
.reading-note{background:#F4F8FF;border-radius:15px;padding:20px 22px;border:1px solid rgba(47,168,247,.12)}.reading-note strong{color:#137CD8}
.split-feature{display:grid;grid-template-columns:1fr 1.15fr;gap:22px;align-items:center}.split-feature .copy{background:#fff;border-radius:16px;padding:24px;border:1px solid rgba(47,168,247,.14)}
.app-line{display:grid;grid-template-columns:210px 1fr;gap:22px;align-items:center;background:#102B46;color:#EAF6FF;border-radius:18px;padding:20px}.app-line h2{color:#fff;margin-top:0}.app-line a{color:#8FD9FF;font-weight:700}
.article-shell.v4 h2{padding-left:12px;border-left:3px solid #2FA8F7}.quick-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}.quick-links a{background:#F4F8FF;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:14px;font-weight:700}.note-box{background:#F4F8FF;border-radius:14px;padding:18px 20px;margin:18px 0;color:#425B72}.step-list{counter-reset:steps;list-style:none;padding:0;margin:22px 0}.step-list li{counter-increment:steps;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;padding:16px 16px 16px 54px;margin:10px 0;position:relative}.step-list li:before{content:counter(steps);position:absolute;left:16px;top:15px;width:26px;height:26px;border-radius:50%;background:#137CD8;color:#fff;display:grid;place-items:center;font-weight:700}
@media(max-width:980px){.focus-grid,.split-feature{grid-template-columns:1fr}.topic-ribbon{grid-template-columns:repeat(3,minmax(0,1fr))}.app-line{grid-template-columns:1fr}.quick-links{grid-template-columns:1fr}}
@media(max-width:560px){.topic-ribbon{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-note-box{padding:21px}.focus-card{min-height:auto}}

/* V5 match-center layout */
.v5-intro{padding:30px 0 14px}.v5-intro-card{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:18px;padding:28px;box-shadow:0 12px 26px rgba(19,124,216,.09)}
.v5-intro-card h1{margin:0 0 12px;color:#137CD8;font-size:clamp(28px,4vw,42px);line-height:1.2}.v5-intro-card p{margin:0;color:#5D718A;font-size:17px;line-height:1.82}
.dual-sports{display:grid;grid-template-columns:1fr 1fr;gap:18px}.sport-panel{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:18px;padding:24px;min-height:190px}.sport-panel h2{margin:0 0 10px;color:#137CD8;font-size:24px}.sport-panel p{color:#5D718A;margin:0 0 14px}.sport-panel a{font-weight:700}
.route-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.route-grid a{display:flex;min-height:82px;padding:15px;align-items:center;justify-content:center;text-align:center;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;font-weight:700}
.v5-strip{background:#F4F8FF;border:1px solid rgba(47,168,247,.13);border-radius:16px;padding:20px 22px;line-height:1.8}.v5-strip strong{color:#137CD8}
.v5-feature{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:center}.v5-feature .text{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:16px;padding:24px}.v5-feature h2{margin-top:0;color:#137CD8}
.v5-topic-list{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.v5-topic-list a{display:flex;align-items:center;justify-content:center;min-height:58px;text-align:center;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:13px;font-weight:700;padding:8px}
.article-shell.v5 h2{color:#137CD8;margin-top:26px}.article-shell.v5 .lead{border-bottom:1px solid rgba(47,168,247,.14);padding-bottom:18px}.v5-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px}.v5-links a{background:#F4F8FF;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:14px;font-weight:700}.v5-callout{background:#F4F8FF;border-radius:14px;padding:18px 20px;margin:18px 0;color:#425B72}.v5-steps{list-style:none;padding:0;margin:20px 0}.v5-steps li{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:14px;padding:16px;margin:10px 0}.v5-steps strong{color:#137CD8;display:block;margin-bottom:5px}
@media(max-width:980px){.dual-sports,.v5-feature{grid-template-columns:1fr}.route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.v5-topic-list{grid-template-columns:repeat(3,minmax(0,1fr))}.v5-links{grid-template-columns:1fr}}
@media(max-width:560px){.v5-topic-list{grid-template-columns:repeat(2,minmax(0,1fr))}.v5-intro-card{padding:21px}.route-grid{grid-template-columns:1fr 1fr}.sport-panel{min-height:auto}}