:root{
    --bg:#F1F3F7;
    --white:#FFFFFF;
    --title:#263241;
    --orange:#FF7A1A;
    --gold:#FFB13B;
    --deep:#FF5A12;
    --text:#2B3440;
    --muted:#667485;
    --light:#9AA5B1;
    --soft:#F7F8FB;
    --border:rgba(38,50,65,0.08);
    --shadow:0 12px 30px rgba(38,50,65,0.10);
    --btn:linear-gradient(135deg,#FFB13B 0%,#FF7A1A 58%,#FF5A12 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;padding-top:74px;}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.topbar{position:fixed;top:0;left:0;right:0;background:#FFFFFF;box-shadow:0 8px 24px rgba(38,50,65,0.10);z-index:1000}
.topbar-inner{max-width:1260px;margin:0 auto;height:74px;padding:0 22px;display:flex;align-items:center;gap:16px}
.menu-toggle{width:42px;height:42px;border:0;background:#F7F8FB;border-radius:12px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;flex:0 0 auto}
.menu-toggle span{width:20px;height:2px;background:#263241;border-radius:4px}
.site-logo{display:flex;align-items:center;flex:0 0 auto}
.site-logo img{max-height:44px;width:auto;object-fit:contain}
.top-notice{flex:1;min-width:0;color:#667485;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#F7F8FB;border-radius:999px;padding:8px 14px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--btn);color:#FFFFFF;border-radius:999px;box-shadow:0 10px 24px rgba(255,122,26,0.24);font-weight:700;min-height:40px;padding:8px 22px;transition:.2s ease;white-space:nowrap}
.main-btn:hover{transform:translateY(-1px)}
.top-register{flex:0 0 auto}
.site-main{max-width:1260px;margin:0 auto;padding:22px}
.portal-grid{display:grid;grid-template-columns:210px minmax(0,1fr) 270px;gap:18px;align-items:start}
.sidebar-nav{position:sticky;top:96px;background:#FFFFFF;border-radius:14px;box-shadow:0 12px 30px rgba(38,50,65,0.08);padding:12px;border:1px solid var(--border);z-index:5}
.sidebar-nav a{display:flex;align-items:center;gap:8px;color:#2B3440;border-radius:10px;padding:10px 12px;font-weight:700;margin:2px 0}
.sidebar-nav a:before{content:"•";color:#FF7A1A;font-size:18px;line-height:1}
.sidebar-nav a:hover,.sidebar-nav a.active{color:#FFFFFF;background:var(--btn)}
.sidebar-nav a:hover:before,.sidebar-nav a.active:before{color:#FFFFFF}
.banner-slider{height:380px;border-radius:14px;background:#FFFFFF;box-shadow:var(--shadow);overflow:hidden;position:relative;z-index:1;border:1px solid var(--border)}
.banner-slider .slide{display:none;width:100%;height:100%}
.banner-slider .slide.active{display:block}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;border:none;border-radius:999px;background:rgba(255,255,255,0.88);color:#FF7A1A;box-shadow:0 8px 20px rgba(38,50,65,0.16);width:38px;height:38px;cursor:pointer}
.slider-arrow:before{font-size:28px;line-height:1;font-weight:700}
.slider-arrow.prev{left:14px}.slider-arrow.next{right:14px}.slider-arrow.prev:before{content:"‹"}.slider-arrow.next:before{content:"›"}
.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.slider-dots button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,122,26,0.28);padding:0;cursor:pointer}
.slider-dots button.active{background:#FF7A1A}
.card,.zone-card,.info-card,.match-card,.review-card,.faq-item,.hero-card,.page-section{background:#FFFFFF;border:1px solid rgba(38,50,65,0.08);box-shadow:0 12px 30px rgba(38,50,65,0.08);border-radius:14px}
.info-card{padding:18px}
.info-card img,.content-img,.zone-card img,.app-section img{width:100%;max-width:100%;height:auto;object-fit:contain;border-radius:12px;background:#F7F8FB}
.info-card img{max-height:140px;margin-bottom:12px}
.info-card h2,.info-card h3,.page-section h2,.zone-card h3,.match-card h3{margin:0 0 8px;color:#263241;line-height:1.35}
.info-card p,.zone-card p,.match-card p,.page-section p,.hero-card p{margin:0 0 12px;color:#667485}
.text-link{color:#FF7A1A;font-weight:700}
.section{margin-top:22px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:0 0 14px}
h1,h2,h3,.section-title{color:#263241}.section-title{font-size:24px;margin:0;line-height:1.35}.section-kicker,.tag,.label,.num,.badge{color:#FF7A1A;font-weight:700}
.match-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.match-card{padding:16px}.match-card small{display:block;color:#9AA5B1;margin-top:8px}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.quick-item{padding:16px}.quick-item h3{font-size:17px;margin:0 0 6px}.quick-item p{min-height:48px}
.duo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.zone-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.zone-card{padding:16px;overflow:hidden}.zone-card img{height:178px;margin-bottom:12px}.duo-grid .zone-card img{height:230px}
.service-list{padding-left:18px;margin:8px 0 12px;color:#667485}.service-list li{margin:4px 0}.notice-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.notice-pair .card{padding:18px}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.review-card{padding:16px;color:#667485}.review-card strong{display:block;color:#263241;margin-bottom:6px}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.faq-item{padding:16px}.faq-item h3{font-size:17px;margin:0 0 8px}.faq-item p{margin:0;color:#667485}
.about-summary{padding:22px}.legal-reminder{background:#101722;color:#EAF0F6;border-radius:14px;padding:18px;margin-top:22px}.legal-reminder strong{color:#FFB13B}.legal-reminder p{margin:8px 0 0;color:#EAF0F6}
.page-wrap{max-width:1120px;margin:0 auto;padding:22px}.hero-card{padding:28px;margin-bottom:20px}.hero-card h1{font-size:34px;margin:0 0 12px;line-height:1.25}.hero-card .lead{font-size:18px;color:#667485;max-width:860px}.breadcrumb{color:#9AA5B1;font-size:14px;margin-bottom:8px}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}.page-section{padding:22px;margin-bottom:18px}.page-section img{max-height:260px;margin:12px 0;border-radius:12px;background:#F7F8FB;object-fit:contain}.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0}.topic-list div{background:#F7F8FB;border-radius:12px;padding:12px;border:1px solid rgba(38,50,65,0.06)}
.aside-panel{position:sticky;top:96px}.aside-panel .card{padding:18px;margin-bottom:14px}.aside-panel ul{margin:8px 0 0;padding-left:18px;color:#667485}.aside-panel li{margin:5px 0}.content-paragraph p{margin:0 0 12px;color:#2B3440}.page-reviews{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.site-footer{background:#101722;color:#EAF0F6;margin-top:28px}.footer-inner{max-width:1260px;margin:0 auto;padding:34px 22px;display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:24px}.footer-brand p,.footer-note{color:#C9D3DE;margin:12px 0 0}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.footer-links a{color:#EAF0F6}.footer-logo img{max-height:42px}
.drawer-mask{position:fixed;inset:0;background:rgba(16,23,34,.46);z-index:1100;opacity:0;pointer-events:none;transition:.2s}.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:1101;transform:translateX(-102%);transition:.25s;box-shadow:18px 0 38px rgba(16,23,34,.18);overflow-y:auto}.drawer-open{overflow:hidden}.drawer-open .drawer-mask{opacity:1;pointer-events:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}.drawer-close{width:40px;height:40px;border:0;background:#F7F8FB;border-radius:10px;position:relative;cursor:pointer}.drawer-close span{position:absolute;left:10px;right:10px;top:19px;height:2px;background:#263241}.drawer-close span:first-child{transform:rotate(45deg)}.drawer-close span:last-child{transform:rotate(-45deg)}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;color:#2B3440;font-weight:700}.drawer-nav a.active,.drawer-nav a:hover{background:var(--btn);color:#FFFFFF}.bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;background:#FFFFFF;border-top:1px solid var(--border);box-shadow:0 -8px 20px rgba(38,50,65,.08);z-index:999}.bottom-nav a{flex:1;text-align:center;padding:10px 4px;color:#667485;font-weight:700}.bottom-nav a:hover{color:#FF7A1A}
@media (max-width:1100px){.portal-grid{grid-template-columns:180px minmax(0,1fr)}.right-rail{grid-column:2}.quick-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.aside-panel{position:static}.footer-inner{grid-template-columns:1fr 1fr}.banner-slider{height:320px}}
@media (max-width:760px){body{padding-top:64px;padding-bottom:58px}.topbar-inner{height:64px;padding:0 12px;display:grid;grid-template-columns:44px 1fr auto;gap:10px}.site-logo{justify-content:center}.site-logo img{max-height:38px}.top-notice{grid-column:1 / 4;order:4;width:100%;font-size:12px;padding:6px 10px;margin-bottom:6px}.topbar-inner{height:92px}.site-main,.page-wrap{padding:14px}.portal-grid{display:block}.sidebar-nav{display:none}.banner-slider{height:205px;margin-bottom:14px}.right-rail{margin-top:14px}.match-grid,.zone-grid,.review-grid,.faq-grid,.notice-pair,.duo-grid,.page-reviews{grid-template-columns:1fr}.quick-grid,.topic-list{grid-template-columns:1fr}.section-title{font-size:21px}.hero-card{padding:20px}.hero-card h1{font-size:26px}.hero-card .lead{font-size:16px}.zone-card img,.duo-grid .zone-card img{height:auto;max-height:220px}.footer-inner{grid-template-columns:1fr;padding-bottom:82px}.bottom-nav{display:flex}.slider-arrow{width:34px;height:34px}.page-section{padding:18px}}