:root{
    --bg:#050a11;
    --bg2:#08111d;
    --panel:#0d1928;
    --panel2:#101e30;
    --line:rgba(121,205,255,.15);
    --line2:rgba(121,216,255,.42);
    --blue:#72d1ff;
    --blue2:#b6ebff;
    --gold:#d6b065;
    --gold2:#f1d690;
    --text:#f4f7fa;
    --muted:#93a6ba;
    --shadow:0 24px 65px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    background:
        radial-gradient(circle at 75% -10%,rgba(54,135,203,.12),transparent 34%),
        linear-gradient(180deg,#07101a 0,#04070c 100%);
    color:var(--text);
    font-family:Arial,Helvetica,sans-serif;
    min-height:100vh;
}
a{color:inherit}
.site-header{
    position:sticky;
    top:0;
    z-index:50;
    border-bottom:1px solid rgba(125,211,255,.1);
    background:rgba(5,10,17,.88);
    backdrop-filter:blur(16px);
}
.site-header__inner{
    max-width:1220px;
    min-height:72px;
    margin:0 auto;
    padding:0 20px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
}
.brand{
    display:flex;
    align-items:center;
    gap:12px;
    text-decoration:none;
}
.brand img{max-height:46px;width:auto}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__text b{font-size:18px;letter-spacing:2px;color:#e8f7ff}
.brand__text small{margin-top:4px;font-size:9px;letter-spacing:4px;color:#75cfff}
.topnav{display:flex;align-items:center;gap:6px}
.topnav a{
    padding:11px 12px;
    border-radius:8px;
    color:#95a8ba;
    font-size:10px;
    font-weight:900;
    letter-spacing:.8px;
    text-decoration:none;
    transition:.2s ease;
}
.topnav a:hover,.topnav a.active{
    color:#fff;
    background:rgba(78,171,229,.1);
}
.page-shell,.article-shell{
    max-width:1180px;
    margin:0 auto;
    padding:38px 18px 58px;
}
.hero{
    position:relative;
    overflow:hidden;
    min-height:340px;
    display:flex;
    align-items:center;
    padding:52px 48px;
    border:1px solid var(--line);
    border-radius:17px;
    background:
        radial-gradient(circle at 82% 18%,rgba(57,166,245,.2),transparent 28%),
        radial-gradient(circle at 96% 96%,rgba(214,176,101,.1),transparent 35%),
        linear-gradient(135deg,rgba(15,28,45,.98),rgba(5,10,17,.99));
    box-shadow:var(--shadow);
}
.hero:before{
    content:"";
    position:absolute;inset:0;
    opacity:.18;
    background-image:
        linear-gradient(rgba(112,205,255,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(112,205,255,.08) 1px,transparent 1px);
    background-size:38px 38px;
    mask-image:linear-gradient(to right,#000,transparent 80%);
}
.hero__glow{
    position:absolute;
    width:420px;height:420px;
    right:-120px;top:-120px;
    border:1px solid rgba(117,213,255,.13);
    border-radius:50%;
    box-shadow:0 0 0 52px rgba(94,192,255,.025),0 0 0 104px rgba(94,192,255,.015);
}
.hero__content{position:relative;z-index:2;max-width:770px}
.eyebrow{
    color:var(--gold2);
    font-size:10px;
    font-weight:900;
    letter-spacing:2.2px;
    text-transform:uppercase;
}
.hero h1{
    margin:10px 0 14px;
    color:#fff;
    font-size:clamp(36px,5.6vw,64px);
    line-height:1;
    letter-spacing:-2px;
}
.hero h1 span{color:#74d2ff}
.hero p{
    max-width:720px;
    margin:0;
    color:#b9c7d5;
    font-size:15px;
    line-height:1.8;
}
.hero__buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{
    min-height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:0 17px;
    border:1px solid rgba(116,210,255,.34);
    border-radius:9px;
    background:linear-gradient(180deg,rgba(55,157,220,.25),rgba(22,70,115,.3));
    color:#eaf9ff!important;
    font-size:10px;
    font-weight:900;
    letter-spacing:.8px;
    text-decoration:none;
    text-transform:uppercase;
    transition:.2s ease;
}
.btn:hover{transform:translateY(-2px);border-color:rgba(179,239,255,.7);box-shadow:0 10px 25px rgba(40,151,217,.18)}
.btn--gold{
    border-color:rgba(224,186,105,.43);
    background:linear-gradient(180deg,rgba(192,145,61,.24),rgba(91,64,23,.27));
    color:#ffe5a9!important;
}
.hero__mark{
    position:absolute;
    right:40px;bottom:22px;
    color:rgba(130,215,255,.055);
    font-size:116px;
    font-weight:900;
    letter-spacing:-10px;
    line-height:1;
}
.search-panel{
    margin-top:18px;
    padding:15px;
    border:1px solid var(--line);
    border-radius:13px;
    background:rgba(8,15,25,.9);
}
.searchbox{position:relative}
.searchbox svg{
    position:absolute;
    left:17px;top:50%;
    width:19px;height:19px;
    transform:translateY(-50%);
    fill:#75d1ff;
}
.searchbox input{
    width:100%;
    height:52px;
    padding:0 18px 0 48px;
    border:1px solid rgba(122,207,255,.17);
    border-radius:9px;
    outline:none;
    background:#0c1624;
    color:#fff;
    font-size:13px;
}
.searchbox input:focus{border-color:rgba(116,210,255,.55);box-shadow:0 0 0 3px rgba(77,178,236,.07)}
.filters{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}
.filter{
    min-height:32px;
    padding:0 11px;
    border:1px solid rgba(123,207,255,.13);
    border-radius:999px;
    background:rgba(44,128,183,.06);
    color:#8398ad;
    font-size:9px;
    font-weight:800;
    cursor:pointer;
    transition:.2s ease;
}
.filter:hover,.filter.active{
    border-color:rgba(113,210,255,.39);
    background:rgba(61,158,217,.14);
    color:#dff6ff;
}
.featured,.guides-section{margin-top:31px}
.section-heading{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:13px;
}
.section-heading h2{margin:4px 0 0;font-size:25px}
.section-heading p{margin:0;color:var(--muted);font-size:11px}
.featured-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:13px;
}
.featured-card{
    position:relative;
    overflow:hidden;
    min-height:180px;
    padding:24px;
    border:1px solid var(--line);
    border-radius:14px;
    background:
        radial-gradient(circle at 90% 10%,rgba(74,177,247,.12),transparent 32%),
        linear-gradient(145deg,#101d2f,#080e18);
    text-decoration:none;
    transition:.2s ease;
}
.featured-card:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:0 18px 35px rgba(0,0,0,.25)}
.featured-card--gold{background:radial-gradient(circle at 90% 10%,rgba(214,176,101,.12),transparent 32%),linear-gradient(145deg,#181b24,#0b0e14)}
.featured-card__number{
    position:absolute;right:17px;top:8px;
    color:rgba(117,210,255,.08);
    font-size:68px;font-weight:900;
}
.featured-card small{color:var(--gold2);font-size:9px;font-weight:900;letter-spacing:1.5px}
.featured-card h3{margin:8px 0 7px;font-size:20px}
.featured-card p{max-width:85%;margin:0;color:var(--muted);font-size:11px;line-height:1.65}
.readmore{display:inline-block;margin-top:17px;color:#82d9ff;font-size:10px;font-weight:900}
.guide-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:12px;
}
.guide-card{
    min-height:210px;
    display:flex;
    flex-direction:column;
    padding:20px;
    border:1px solid var(--line);
    border-radius:13px;
    background:linear-gradient(145deg,rgba(15,27,43,.96),rgba(8,14,23,.98));
    text-decoration:none;
    transition:.2s ease;
}
.guide-card:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:0 15px 30px rgba(0,0,0,.23)}
.guide-card.hidden{display:none}
.guide-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.guide-icon{
    width:42px;height:42px;
    display:grid;place-items:center;
    border:1px solid rgba(116,208,255,.18);
    border-radius:10px;
    background:rgba(45,138,200,.08);
    color:var(--blue);
    font-size:20px;
}
.guide-category{color:#79caef;font-size:8px;font-weight:900;letter-spacing:.8px;text-transform:uppercase}
.guide-card h3{margin:21px 0 8px;font-size:16px;line-height:1.35}
.guide-card p{margin:0;color:var(--muted);font-size:11px;line-height:1.6}
.guide-card__footer{
    margin-top:auto;
    padding-top:17px;
    display:flex;align-items:center;justify-content:space-between;
    color:#71869a;font-size:9px;
}
.guide-card__footer b{color:#72d2ff;font-size:18px}
.empty-state{
    display:none;
    padding:28px;
    border:1px dashed rgba(121,205,255,.2);
    border-radius:12px;
    color:var(--muted);
    text-align:center;
}
.empty-state.show{display:block}
.empty-state b{display:block;color:#eaf6ff;margin-bottom:6px}
.bottom-cta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    margin-top:34px;
    padding:26px 28px;
    border:1px solid var(--line);
    border-radius:14px;
    background:linear-gradient(135deg,rgba(13,25,40,.96),rgba(7,13,22,.98));
}
.bottom-cta h2{margin:5px 0 6px;font-size:22px}
.bottom-cta p{margin:0;color:var(--muted);font-size:11px}
.site-footer{
    max-width:1180px;
    margin:0 auto;
    padding:0 18px 28px;
    display:flex;
    justify-content:space-between;
    color:#607488;
    font-size:10px;
}
.site-footer a{color:#7294af;text-decoration:none}
.article-shell{max-width:980px}
.back-link{
    display:inline-flex;
    margin-bottom:15px;
    color:#7dd6ff;
    font-size:10px;
    font-weight:900;
    letter-spacing:.6px;
    text-decoration:none;
    text-transform:uppercase;
}
.article-card{
    overflow:hidden;
    border:1px solid var(--line);
    border-radius:16px;
    background:linear-gradient(145deg,rgba(14,25,40,.98),rgba(7,12,20,.99));
    box-shadow:var(--shadow);
}
.article-head{
    padding:34px 36px 29px;
    border-bottom:1px solid rgba(121,205,255,.1);
    background:radial-gradient(circle at 95% 0,rgba(67,165,236,.11),transparent 30%);
}
.article-head h1{margin:7px 0 11px;font-size:35px;line-height:1.15}
.article-head p{max-width:760px;margin:0;color:#aebfd0;font-size:13px;line-height:1.7}
.article-meta{display:flex;gap:12px;margin-top:17px;color:#72879b;font-size:9px;text-transform:uppercase;letter-spacing:.7px}
.article-body{padding:34px 36px;color:#cbd7e2;font-size:13px;line-height:1.85}
.article-body h2{margin:32px 0 12px;color:#fff;font-size:23px}
.article-body h3{margin:25px 0 10px;color:#fff;font-size:17px}
.article-body p{margin:0 0 14px}
.article-body ul{padding-left:20px}
.article-body li{margin:7px 0}
.article-body a{color:#74d4ff}
.article-body table{width:100%;margin:18px 0;border-collapse:collapse}
.article-body th,.article-body td{padding:11px 12px;border:1px solid rgba(123,205,255,.14);text-align:left}
.article-body th{background:rgba(57,148,207,.12);color:#fff}
.notice{
    margin:18px 0;
    padding:15px 17px;
    border:1px solid rgba(112,206,255,.18);
    border-left:3px solid #68caff;
    border-radius:8px;
    background:rgba(54,149,207,.07);
    color:#b9cad9;
}
.video-wrap{position:relative;padding-top:56.25%;overflow:hidden;border-radius:11px;border:1px solid var(--line);background:#000}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media(max-width:900px){
    .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .topnav{display:none}
}
@media(max-width:680px){
    .site-header__inner{min-height:62px}
    .page-shell,.article-shell{padding:22px 10px 42px}
    .hero{min-height:auto;padding:35px 24px}
    .hero h1{font-size:39px;letter-spacing:-1px}
    .hero__mark{display:none}
    .featured-grid,.guide-grid{grid-template-columns:1fr}
    .section-heading{align-items:flex-start;flex-direction:column}
    .bottom-cta{align-items:flex-start;flex-direction:column}
    .article-head,.article-body{padding:24px 20px}
    .article-head h1{font-size:27px}
    .article-body{overflow-x:auto}
    .site-footer{flex-direction:column;gap:6px}
}