*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --qq-bg:#0F172A;
  --qq-bg2:#131C31;
  --qq-card:#1B2336;
  --qq-card2:#212B42;
  --qq-ink:#F8FAFC;
  --qq-ink2:#94A3B8;
  --qq-ink3:#64748B;
  --qq-line:#2A3550;
  --qq-neon:#3B82F6;
  --qq-neon2:#60A5FA;
  --qq-cyan:#3B82F6;
  --qq-warm:#FBBF24;
  --qq-r:14px;
  --qq-r2:20px;
  --qq-pill:999px;
  --qq-glow:0 0 40px rgba(59,130,246,.15);
  --primary:#3B82F6;
  --primary-dark:#2563EB;
  --primary-glow:rgba(59,130,246,.35);
  --accent:#60A5FA;
  --bg-base:#0F172A;
  --bg-dark:#131C31;
  --bg-card:#1B2336;
  --bg-glass:rgba(27,35,54,.55);
  --text:#F8FAFC;
  --text-muted:#94A3B8;
  --text-dim:#64748B;
  --border:#2A3550;
  --border-glow:rgba(59,130,246,.25);
  --shadow-card:0 20px 60px rgba(0,0,0,.6);
  --shadow-glow:0 0 80px rgba(59,130,246,.2);
  --radius:var(--qq-r2);
  --radius-sm:var(--qq-r);
  --radius-full:var(--qq-pill);
}

html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{background:var(--qq-bg);color:var(--qq-ink);font-family:'Inter',system-ui,-apple-system,sans-serif;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{background:none;border:none;cursor:pointer;color:inherit;font:inherit}

::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--qq-bg)}
::-webkit-scrollbar-thumb{background:var(--qq-neon);border-radius:10px}

.qq-wrap{width:94%;max-width:1200px;margin:0 auto;padding:0 1rem}

.qq-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.8rem;border-radius:var(--qq-pill);font-weight:600;font-size:.95rem;transition:all .25s;letter-spacing:.3px}
.qq-btn--primary{background:linear-gradient(135deg,var(--qq-neon),var(--qq-neon2));color:#fff;box-shadow:0 6px 24px rgba(59,130,246,.3)}
.qq-btn--primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(59,130,246,.45)}
.qq-btn--ghost{border:1px solid var(--qq-line);color:var(--qq-ink);background:rgba(255,255,255,.03)}
.qq-btn--ghost:hover{background:rgba(255,255,255,.07);border-color:var(--qq-neon)}

.qq-eyebrow{display:inline-block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--qq-neon);margin-bottom:.8rem}
.qq-h2{font-size:clamp(1.6rem,3.5vw,2.6rem);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.qq-h2 em{font-style:normal;background:linear-gradient(135deg,var(--qq-neon),var(--qq-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.qq-sub{color:var(--qq-ink2);font-size:1rem;margin-top:.6rem;max-width:560px}
.qq-center{text-align:center}
.qq-center .qq-sub{margin-left:auto;margin-right:auto}

.qq-top{position:sticky;top:0;z-index:100;background:rgba(15,23,42,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--qq-line)}
.qq-top__row{display:flex;align-items:center;justify-content:space-between;padding:1.2rem 0}
.qq-brand img{height:1.8rem;width:auto}
.qq-nav{display:none;gap:.5rem;flex:1;margin-left:2.5rem}
@media(min-width:820px){.qq-nav{display:flex}}
.qq-nav a{color:var(--qq-ink2);font-size:.88rem;padding:.4rem 1rem;border-radius:10px;transition:all .2s;font-weight:500}
.qq-nav a:hover,.qq-nav a.qq-active{color:#fff;background:rgba(59,130,246,.12)}
.qq-actions{display:none;align-items:center;gap:.7rem}
@media(min-width:820px){.qq-actions{display:flex}}
.qq-actions .qq-btn{padding:.45rem 1.2rem;font-size:.82rem}
.qq-burger{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.04);border:1px solid var(--qq-line);color:#fff}
@media(min-width:820px){.qq-burger{display:none}}
.qq-mobile{display:none;padding:.5rem 0 1rem;border-top:1px solid var(--qq-line)}
.qq-mobile.qq-open{display:block}
.qq-mobile a{display:block;padding:.5rem .8rem;border-radius:8px;color:var(--qq-ink2);font-size:.92rem}
.qq-mobile a:hover{background:rgba(255,255,255,.05);color:#fff}

.qq-hero{position:relative;overflow:hidden;padding:4rem 0 5rem}
.qq-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(59,130,246,.12),transparent 70%);pointer-events:none}
.qq-hero__inner{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:center;position:relative;z-index:1}
@media(min-width:900px){.qq-hero__inner{grid-template-columns:1fr 1fr}
.qq-hero__inner>div:last-child{justify-self:end}}

.qq-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2rem;text-align:center}
.qq-stat{background:var(--qq-card);border:1px solid var(--qq-line);border-radius:var(--qq-r);padding:1.5rem 1rem}
.qq-stat .num{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,var(--qq-neon),var(--qq-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.qq-stat .lbl{font-size:.78rem;color:var(--qq-ink2);margin-top:.3rem}

.qq-cards{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2.5rem}
.qq-cards--3{grid-template-columns:1fr 1fr 1fr}
.qq-cards--5{grid-template-columns:repeat(5,1fr)}
.qq-card{background:var(--qq-card);border:1px solid var(--qq-line);border-radius:var(--qq-r2);padding:1.8rem;transition:all .3s;position:relative;overflow:hidden}
.qq-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--qq-neon),var(--qq-cyan));opacity:0;transition:opacity .3s}
.qq-card:hover{transform:translateY(-4px);border-color:rgba(59,130,246,.3)}
.qq-card:hover::before{opacity:1}
.qq-card__icon{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,rgba(59,130,246,.15),rgba(96,165,250,.1));display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--qq-neon);margin-bottom:1.2rem}
.qq-card h3{font-size:1.1rem;font-weight:700;margin-bottom:.5rem}
.qq-card p{color:var(--qq-ink2);font-size:.9rem;line-height:1.6}

.qq-split{display:grid;grid-template-columns:1fr;gap:2rem;align-items:center;margin-top:2rem}
@media(min-width:820px){.qq-split{grid-template-columns:1fr 1fr}}
.qq-split__media{border-radius:var(--qq-r2);overflow:hidden;border:1px solid var(--qq-line)}
.qq-split__media img{width:100%;height:auto}

.qq-tbl{width:100%;border-collapse:separate;border-spacing:0;margin-top:1.5rem;border-radius:var(--qq-r);overflow:hidden;border:1px solid var(--qq-line)}
.qq-tbl th{background:var(--qq-card2);padding:.9rem 1.2rem;text-align:left;font-size:.85rem;font-weight:600;color:var(--qq-ink)}
.qq-tbl td{padding:.85rem 1.2rem;border-top:1px solid var(--qq-line);font-size:.9rem;color:var(--qq-ink2)}
.qq-tbl tr:hover td{background:rgba(59,130,246,.04)}

.qq-faq{margin-top:1rem}
.qq-faq__item{background:var(--qq-card);border:1px solid var(--qq-line);border-radius:var(--qq-r);margin-bottom:.8rem;transition:border-color .2s}
.qq-faq__item:hover{border-color:rgba(59,130,246,.25)}
.qq-faq__item summary{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.3rem;cursor:pointer;font-weight:600;font-size:.95rem;list-style:none}
.qq-faq__item summary::-webkit-details-marker{display:none}
.qq-faq__item summary::after{content:'\f054';font-family:'Font Awesome 6 Free';font-weight:900;font-size:.8rem;color:var(--qq-neon);transition:transform .25s}
.qq-faq__item[open] summary::after{transform:rotate(90deg)}
.qq-faq__a{padding:0 1.3rem 1.1rem;color:var(--qq-ink2);font-size:.9rem;line-height:1.7}

.qq-foot{background:var(--qq-bg2);border-top:1px solid var(--qq-line);padding:3rem 0 1.5rem;margin-top:4rem}
.qq-foot__grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:700px){.qq-foot__grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.qq-foot__brand img{height:4rem;margin-bottom:.8rem}
.qq-foot__brand p{color:var(--qq-ink3);font-size:.82rem;line-height:1.6;max-width:280px}
.qq-foot h4{font-size:.85rem;font-weight:700;margin-bottom:.8rem;color:var(--qq-ink)}
.qq-foot ul{list-style:none}
.qq-foot li{margin-bottom:.35rem}
.qq-foot li a{color:var(--qq-ink3);font-size:.82rem;transition:color .2s}
.qq-foot li a:hover{color:var(--qq-neon)}
.qq-foot__bar{text-align:center;color:var(--qq-ink3);font-size:.72rem;margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid var(--qq-line)}

.qq-fab{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:8px}
.qq-fab a,.qq-fab button{width:42px;height:42px;border-radius:50%;background:var(--qq-card);border:1px solid var(--qq-line);display:flex;align-items:center;justify-content:center;color:var(--qq-ink2);font-size:.9rem;transition:all .2s;box-shadow:0 4px 16px rgba(0,0,0,.3)}
.qq-fab a:hover,.qq-fab button:hover{background:var(--qq-neon);color:#fff;transform:scale(1.08)}

.qq-breadcrumb{display:flex;align-items:center;gap:.4rem;font-size:.82rem;color:var(--qq-ink3);margin-bottom:1.5rem}
.qq-breadcrumb a{color:var(--qq-ink2)}
.qq-breadcrumb a:hover{color:var(--qq-neon)}
.qq-breadcrumb i{font-size:.6rem}

.qq-rating{display:flex;align-items:center;gap:.3rem;color:var(--qq-warm);font-size:.9rem}


.qq-section{padding:3rem 0}
.qq-section-alt{padding:2.5rem 0;background:var(--qq-bg2)}
.qq-section-sm{padding:1.5rem 0}
.qq-section-md{padding:2rem 0}
.qq-section-top{padding:3rem 0 1rem}
.qq-section-tail{padding:3rem 0 2rem}
.qq-section-end{padding:1.5rem 0 3rem}
.qq-center{text-align:center}
.qq-jc-center{justify-content:center}
.qq-mt-1{margin-top:1rem}
.qq-mt-2{margin-top:1.5rem}
.qq-mt-3{margin-top:2rem}
.qq-mb-1{margin-bottom:1.5rem}
.qq-mb-2{margin-bottom:2rem}
.qq-mb-3{margin-bottom:2.5rem}
.qq-mr-1{margin-right:.3rem}
.qq-accent{color:var(--accent)}
.qq-accent-bold{color:var(--accent);font-weight:600}
.qq-muted{color:var(--qq-ink2)}
.qq-dim{color:var(--qq-ink3)}
.qq-neon{color:var(--qq-neon)}
.qq-neon2{color:var(--qq-neon2)}
.qq-cyan-text{color:var(--qq-cyan)}
.qq-warm-text{color:var(--qq-warm)}
.qq-green{color:#4ade80}
.qq-small-dim{font-size:.82rem;color:var(--qq-ink3)}
.qq-small-muted{font-size:.8rem;color:var(--qq-ink2)}
.qq-body-muted{font-size:.9rem;color:var(--qq-ink2)}
.qq-h3{font-size:1.2rem;margin-bottom:1rem}
.qq-h4{font-size:1.1rem;font-weight:700;color:var(--qq-ink);margin:1.5rem 0 .8rem}
.qq-h4-flex{font-size:1.15rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.qq-h4-flex-lg{font-size:1.3rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}
.qq-stat-num{font-size:1.6rem;font-weight:800}
.qq-stat-num-lg{font-size:2.6rem;font-weight:800}
.qq-lead{font-size:1rem;font-weight:400;color:var(--qq-ink2)}
.qq-article-body{line-height:1.9;color:var(--qq-ink2);font-size:.95rem}
.qq-tags{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.6rem}
.qq-chip{padding:.5rem .8rem;border:1px solid var(--border)}
.qq-chip-lg{padding:.6rem .8rem;border:1px solid var(--border);text-align:left}
.qq-btn-sm{padding:.5rem 1.2rem;font-size:.85rem}
.qq-cards-240{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.qq-cards-280{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.qq-cards-300{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.qq-full-center{width:100%;justify-content:center}
.qq-flex-wrap{margin-top:1.5rem;display:flex;gap:1rem;flex-wrap:wrap}
.qq-flex-center{margin-top:1.5rem;display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.qq-flex-align{margin-top:1.8rem;display:flex;gap:.8rem;flex-wrap:wrap;align-items:center}
.qq-flex-meta{margin-top:1.5rem;display:flex;gap:1rem;flex-wrap:wrap;font-size:.82rem;color:var(--qq-ink2)}
.qq-code-inline{background:rgba(255,255,255,0.04);padding:.1rem .4rem;border-radius:4px;font-size:.85rem;color:#eaf0ff}
.qq-article-wrap{max-width:800px;margin:2rem auto;padding:1.5rem;border-top:2px solid var(--border)}
.qq-meta-line{font-size:.7rem;color:var(--text-dim);margin-top:.4rem;border-top:1px solid var(--border);padding-top:.4rem}
.qq-desc{margin-top:.8rem;color:var(--qq-ink2);font-size:.92rem}
.qq-desc-sm{margin-top:1rem;font-size:.82rem;color:var(--qq-ink3)}
.qq-tag-label{color:var(--qq-neon);font-size:.85rem;margin-top:.8rem;display:inline-block}
.qq-sub-muted{font-size:.82rem;color:var(--qq-ink2);margin-bottom:.5rem}
.qq-sub-dim{font-size:.82rem;color:var(--qq-ink3);margin-top:.3rem}

.qq-card-center{text-align:center;padding:1.2rem}
.qq-bg-blue{background:rgba(59,130,246,.1)}
.qq-footnote{margin-top:2rem;color:var(--qq-ink3);font-size:.85rem}
.qq-table{width:100%;border-collapse:collapse;font-size:.88rem}
.qq-table-wrap{overflow-x:auto;margin:1.2rem 0}
.qq-badge{position:absolute;top:2px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--qq-neon),var(--qq-neon2));padding:.2rem 1rem;border-radius:var(--qq-pill);font-size:.72rem;font-weight:700}
.qq-price-hero{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.1;letter-spacing:-.02em}
.qq-hero-title{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.1;letter-spacing:-.02em}
.qq-gradient-text{font-style:normal;background:linear-gradient(135deg,var(--qq-neon),var(--qq-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.qq-lead-lg{margin-top:1rem;font-size:1.05rem}
.qq-grid-220-1000{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));max-width:1000px;margin:0 auto}
.qq-grid-260-900{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));max-width:900px;margin:0 auto}
.qq-grid-160-800{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));max-width:800px;margin:0 auto}
.qq-card-featured{text-align:center;border-color:rgba(59,130,246,.3);position:relative}
.qq-h1-lg{font-size:2rem;font-weight:800}
.qq-rating-text{font-size:1rem;color:var(--qq-warm)}
.qq-center-sm{justify-content:center;margin-top:.3rem}

.qq-tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;flex-wrap:wrap}
.qq-tab{padding:.6rem 1.2rem;border:1px solid var(--qq-line);background:var(--qq-card);color:var(--qq-ink2);border-radius:var(--qq-pill);cursor:pointer;font-size:.9rem;font-weight:500;transition:all .2s;display:flex;align-items:center;gap:.4rem}
.qq-tab:hover{border-color:var(--qq-neon);color:var(--qq-ink)}
.qq-tab.qq-active{background:var(--qq-neon);color:#fff;border-color:var(--qq-neon)}
.qq-tab-panels{position:relative}
.qq-tab-panel{display:none}
.qq-tab-panel.qq-active{display:block}
.qq-tab-card{display:flex;align-items:center;gap:1.5rem;padding:1.8rem;flex-wrap:wrap}
.qq-tab-card .qq-card__icon{margin-bottom:0;flex-shrink:0}
.qq-tab-card>div:nth-child(2){flex:1;min-width:200px}

@media(max-width:768px){
  .qq-cards{grid-template-columns:1fr}
  .qq-cards--3{grid-template-columns:1fr}
  .qq-cards--5{grid-template-columns:1fr 1fr}
  .qq-stats{grid-template-columns:1fr 1fr;gap:.8rem}
  .qq-stat{padding:1rem .8rem}
  .qq-stat .num{font-size:1.3rem}
  .qq-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:.5rem}
  .qq-tab{white-space:nowrap;flex-shrink:0;padding:.5rem 1rem;font-size:.82rem}
  .qq-tab-card{flex-direction:column;text-align:center;gap:1rem}
  .qq-tab-card>div:nth-child(2){min-width:0}
  .qq-hero{padding:2.5rem 0 3rem}
  .qq-hero-title{font-size:1.8rem}
  .qq-h2{font-size:1.5rem}
  .qq-wrap{width:100%;padding:0 1rem}
  .qq-section{padding:2rem 0}
  .qq-section-alt{padding:2rem 0}
  .qq-foot{padding:2rem 0 1rem}
  .qq-foot__grid{grid-template-columns:1fr 1fr;gap:1.5rem}
  .qq-tbl{font-size:.8rem}
  .qq-tbl th,.qq-tbl td{padding:.6rem .8rem}
  .qq-flex-wrap{gap:.6rem}
  .qq-btn{padding:.6rem 1.4rem;font-size:.88rem}
  .qq-top__row{padding:1rem}
}

.qq-accent{color:var(--qq-neon);font-size:.9rem;margin-right:.4rem}
.qq-accent.fas{width:1.2rem;text-align:center}
.qq-stat__num{font-size:1.8rem;font-weight:800;color:var(--qq-ink);line-height:1.2}
.qq-stat__lbl{font-size:.85rem;color:var(--qq-ink2);margin-top:.3rem}