/* koko138 — S08 黑黄头奖门户 */
:root{--bg:#0a1420;--surface:#111f30;--surface2:#182a3f;--primary:#2563eb;--accent:#facc15;--accent2:#1e3a5f;--text:#f0f6ff;--muted:#b8c8d8;--line:#22364d;--r:0px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#0a1420;background-image:linear-gradient(180deg, @bg@, @surface@);color:#f0f6ff;font-family:Arial,Helvetica,sans-serif;line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:#1e3a5f;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;background:#2563eb;color:#0a1420;padding:8px 14px;z-index:99;border-radius:8px}
h1,h2,h3{font-family:'Arial Black',Arial,sans-serif;color:#2563eb;text-transform:uppercase;line-height:1.25;margin-bottom:14px}
h1{font-size:clamp(1.7rem,4vw,2.6rem)}
h2{font-size:clamp(1.3rem,3vw,1.9rem);margin-top:34px}
h3{font-size:1.12rem;color:#f0f6ff}
p{margin-bottom:14px;color:#f0f6ff;overflow-wrap:break-word}
.badge18{display:inline-block;background:#facc15;color:#f0f6ff;font-weight:700;border-radius:6px;padding:2px 8px;font-size:.8rem}
.badge18.big{font-size:.95rem;padding:4px 12px}
.herotag{font-size:.85rem;color:#b8c8d8;margin-left:10px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Arial Black',Arial,sans-serif;font-weight:700;font-size:1.2rem;color:#2563eb}
.mainnav a,.pillnav a,.chipnav a{color:#f0f6ff;padding:9px 12px;border-radius:8px;font-size:.93rem}
.mainnav a.active,.pillnav a.active,.chipnav a.active{background:#2563eb;color:#0a1420}
.mainnav a:hover,.pillnav a:hover,.chipnav a:hover{background:#182a3f;text-decoration:none}
.navburger{display:none}
.lede{font-size:1.08rem;color:#b8c8d8;max-width:640px}
.ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:20px}
.btn{display:inline-block;padding:13px 26px;border-radius:0px;font-weight:700;font-size:.98rem}
.btn.primary{background:linear-gradient(135deg,#2563eb,#facc15);color:#0a1420}
.btn.ghost{border:2px solid #2563eb;color:#2563eb}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.hero{background:#111f3044;border-bottom:1px solid #2563eb33}
.hero.h1v{padding:56px 0}.herogrid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.quicksec{padding:38px 0}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.chip{background:#111f30;border:1px solid #2563eb66;border-radius:999px;padding:10px 20px;color:#f0f6ff;font-weight:600}
.chip:hover{background:#2563eb;color:#0a1420;text-decoration:none}
.lobbysec,.guidesec,.popsec,.promosec,.secsec,.rgsec,.aboutsec{padding:34px 0}
.lobbygrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.guidegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.lobbycard,.guidecard{padding:20px;border-radius:0px;min-width:0}
.lobbycard img{border-radius:0px;margin-bottom:14px}
.lobbycard h3{color:#2563eb;text-transform:none}
.more{display:inline-block;margin-top:10px;font-weight:700}
.poplist{columns:2;margin-top:14px;padding-left:20px}
.poplist li{margin-bottom:10px;color:#f0f6ff}
.fig{margin:24px 0;border:1px solid #2563eb33;border-radius:0px;overflow:hidden;background:#111f30}
.fig img{width:100%}
.faqsec{padding:34px 0;background:#111f3055}
details.faq{background:#111f30;border:1px solid #2563eb3c;border-radius:0px;padding:14px 18px;margin-bottom:10px}
details.faq summary{cursor:pointer;font-weight:700;color:#2563eb;list-style-position:inside}
.faqa{padding-top:10px;color:#f0f6ff}
.crumbs{font-size:.85rem;color:#b8c8d8;padding:16px 0 0}
.crumbs a{color:#1e3a5f}
.article{padding:26px 20px 50px;display:grid;grid-template-columns:minmax(0,860px);justify-content:center}
.post{background:#111f3088;border:1px solid #2563eb30;border-radius:0px;padding:34px clamp(18px,4vw,44px)}
.postmeta{font-size:.83rem;color:#b8c8d8;margin-bottom:18px}
.postsec ul{margin:0 0 14px 22px}
.postsec li{margin-bottom:8px}
.tablewrap{overflow-x:auto;margin:16px 0;border:1px solid #22364d;border-radius:0px}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.92rem}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid #22364d;color:#f0f6ff}
th{background:#182a3f;color:#2563eb}
.note{margin:22px 0;padding:14px 18px;border-left:4px solid #facc15;background:#182a3f99;border-radius:0 8px 8px 0}
.related{margin-top:30px;background:#182a3f77;border-radius:0px;padding:18px 22px}
.related ul{margin-left:20px;margin-top:8px}
.footer{background:#111f30;border-top:3px solid #2563eb;margin-top:30px;font-size:.9rem}
.footer h3{color:#2563eb;font-size:.98rem;margin-bottom:10px}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer a{color:#b8c8d8}
.footer a:hover{color:#2563eb}
.fbrand{font-family:'Arial Black',Arial,sans-serif;font-weight:700;color:#2563eb;font-size:1.1rem}
.legal{color:#b8c8d8;font-size:.8rem;margin-top:18px;max-width:860px}
.copy{color:#b8c8d8;font-size:.78rem;margin-top:14px;border-top:1px solid #22364d;padding-top:12px}
.notfound{text-align:center;padding-top:80px}
/* bottom floating bar: 378px wide, centered (at 500px viewport left=61), flush to bottom */
body{padding-bottom:88px}
.floatbar{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:378px;max-width:calc(100vw - 16px);z-index:95;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;background:#111f30f2;border:2px solid #2563eb;border-bottom:none;border-radius:14px 14px 0 0;box-shadow:0 -8px 22px rgba(0,0,0,.45);backdrop-filter:blur(6px)}
.fb-text{font-weight:800;color:#2563eb;font-size:.98rem;white-space:nowrap}
.fb-btn{flex:0 0 auto;display:inline-block;padding:10px 18px;border-radius:999px;font-weight:800;font-size:.95rem;background:linear-gradient(135deg,#2563eb,#facc15);color:#0a1420;text-decoration:none;animation:fbglow 1.5s ease-in-out infinite}
.fb-btn:hover{filter:brightness(1.12);text-decoration:none}
@keyframes fbglow{0%,100%{box-shadow:0 0 4px 1px #facc1555}50%{box-shadow:0 0 16px 6px #facc15bb;filter:brightness(1.25)}}
@media(max-width:400px){.fb-text{font-size:.86rem}.fb-btn{padding:8px 12px;font-size:.88rem}}
.lobbycard.c2,.guidecard.c2{background:#111f30;border-left:5px solid #facc15}
.nav.n5{position:sticky;top:0;z-index:50;background:#0a1420f5;border-bottom:1px solid #2563eb33}.nav.n5 .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px}.nav.n5 .mainnav a{padding:14px 10px;border-bottom:3px solid transparent}.nav.n5 .mainnav a.active,.nav.n5 .mainnav a:hover{border-bottom-color:#2563eb}
.footer.f1{padding:44px 0 24px}.fcols{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
@media(max-width:900px){
.herogrid,.railgrid,.cabwrap,.fcols,.fsitemap,.fbrandpanel{grid-template-columns:1fr!important}
.lobbygrid,.guidegrid{grid-template-columns:repeat(2,1fr)}
.rail.n4{position:static;width:auto;flex-direction:row;flex-wrap:wrap;align-items:center}
body.nav_n4 main,body.nav_n4 footer{margin-left:0}
.poplist{columns:1}
.heroart{order:-1}
}
@media(max-width:640px){
.lobbygrid,.guidegrid,.tilegrid{grid-template-columns:1fr}
.mainnav,.pillnav,.chipnav{display:none}
.navburger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.navburger span{width:26px;height:3px;background:#2563eb;border-radius:2px}
.navtog:checked ~ .mainnav,.navtog:checked ~ .chipnav{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:100%;background:#111f30;padding:14px 20px;border-bottom:2px solid #2563eb;z-index:60}
.pillnav{position:relative}
.fcols2{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}