@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#06080f;--bg2:#0c1020;--surface:#111827;--surface2:#1a2236;
  --border:#1e293b;--border2:#334155;
  --text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;
  --violet:#8b5cf6;--violet2:#7c3aed;--violet-g:rgba(139,92,246,.15);
  --cyan:#06b6d4;--cyan2:#0891b2;--cyan-g:rgba(6,182,212,.15);
  --amber:#f59e0b;--amber2:#d97706;--amber-g:rgba(245,158,11,.12);
  --rose:#f43f5e;--rose2:#e11d48;
  --emerald:#10b981;--emerald2:#059669;
  --sky:#0ea5e9;--sky2:#0284c7;
  --radius:12px;--radius2:16px;--radius3:20px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:var(--cyan);text-decoration:none;transition:color .2s}
a:hover{color:var(--violet)}
img{max-width:100%;display:block}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes pulse{0%,100%{opacity:.6}50%{opacity:1}}
@keyframes drift{0%{transform:translate(0,0) rotate(0deg)}33%{transform:translate(10px,-15px) rotate(5deg)}66%{transform:translate(-8px,8px) rotate(-3deg)}100%{transform:translate(0,0) rotate(0deg)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes orbit{0%{transform:rotate(0deg) translateX(60px) rotate(0deg)}100%{transform:rotate(360deg) translateX(60px) rotate(-360deg)}}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:80px 0}
.sec-dark{background:var(--bg2)}
.sec-surface{background:var(--surface)}
.sec-head{text-align:center;margin-bottom:56px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:16px}
.sec-tag-violet{background:var(--violet-g);color:var(--violet);border:1px solid rgba(139,92,246,.25)}
.sec-tag-cyan{background:var(--cyan-g);color:var(--cyan);border:1px solid rgba(6,182,212,.25)}
.sec-tag-amber{background:var(--amber-g);color:var(--amber);border:1px solid rgba(245,158,11,.25)}
.sec-tag-dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.sec-title{font-size:36px;font-weight:800;line-height:1.25;margin-bottom:12px;color:#fff}
.sec-title-light{color:#fff}
.sec-sub{font-size:17px;color:var(--text2);max-width:640px;margin:0 auto}
.sec-sub-light{color:var(--text2)}

/* Navigation */
.nav{position:sticky;top:0;z-index:100;background:rgba(6,8,15,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff}
.nav-brand-ico{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--violet),var(--cyan));display:flex;align-items:center;justify-content:center}
.nav-menu{display:flex;align-items:center;gap:4px;list-style:none}
.nav-link{display:block;padding:8px 18px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text2);transition:all .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.on{color:var(--violet);background:var(--violet-g);font-weight:600}
.nav-cta{margin-left:12px}
.nav-mob{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-size:15px;font-weight:600;border:none;cursor:pointer;transition:all .25s;text-decoration:none;line-height:1.4}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-violet{background:linear-gradient(135deg,var(--violet),var(--violet2));color:#fff;box-shadow:0 4px 20px rgba(139,92,246,.35)}
.btn-violet:hover{box-shadow:0 6px 28px rgba(139,92,246,.5);transform:translateY(-1px)}
.btn-cyan{background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#fff;box-shadow:0 4px 20px rgba(6,182,212,.35)}
.btn-cyan:hover{box-shadow:0 6px 28px rgba(6,182,212,.5);transform:translateY(-1px)}
.btn-amber{background:linear-gradient(135deg,var(--amber),var(--amber2));color:#000;box-shadow:0 4px 20px rgba(245,158,11,.35)}
.btn-amber:hover{box-shadow:0 6px 28px rgba(245,158,11,.5);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border2)}
.btn-outline:hover{border-color:var(--violet);color:var(--violet);background:var(--violet-g)}
.btn-white{background:#fff;color:var(--bg);font-weight:700}
.btn-white:hover{background:#f1f5f9;transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text);border:1px solid rgba(255,255,255,.1)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-lg{padding:16px 36px;font-size:17px;border-radius:var(--radius2)}
.btn-sm{padding:8px 18px;font-size:13px;border-radius:8px}

/* Hero */
.hero{position:relative;padding:100px 0 80px;overflow:hidden;background:radial-gradient(ellipse at 30% 20%,rgba(139,92,246,.12) 0%,transparent 50%),radial-gradient(ellipse at 70% 60%,rgba(6,182,212,.1) 0%,transparent 50%),var(--bg)}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text{position:relative;z-index:2}
.hero-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:20px;background:var(--violet-g);border:1px solid rgba(139,92,246,.3);color:var(--violet);font-size:13px;font-weight:600;margin-bottom:20px}
.hero-chip-dot{width:6px;height:6px;border-radius:50%;background:var(--violet);animation:pulse 2s infinite}
.hero-title{font-size:52px;font-weight:900;line-height:1.1;margin-bottom:20px;color:#fff}
.hero-title .hl{background:linear-gradient(135deg,var(--violet),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-title .hl2{background:linear-gradient(135deg,var(--cyan),var(--amber));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:18px;color:var(--text2);margin-bottom:32px;line-height:1.7}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-trust{display:flex;gap:24px;flex-wrap:wrap}
.hero-trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text2)}
.hero-trust-item svg{color:var(--emerald);flex-shrink:0}
.hero-visual{position:relative;z-index:2;display:flex;justify-content:center;align-items:center}
.hero-constellation{width:420px;height:420px;position:relative}
.hero-star{position:absolute;border-radius:50%;background:var(--violet)}
.hero-star.s1{width:8px;height:8px;top:20%;left:30%;animation:drift 8s infinite}
.hero-star.s2{width:6px;height:6px;top:40%;left:70%;animation:drift 6s infinite .5s;background:var(--cyan)}
.hero-star.s3{width:10px;height:10px;top:60%;left:20%;animation:drift 10s infinite 1s;background:var(--amber)}
.hero-star.s4{width:5px;height:5px;top:25%;left:80%;animation:drift 7s infinite 1.5s}
.hero-star.s5{width:7px;height:7px;top:75%;left:55%;animation:drift 9s infinite .3s;background:var(--cyan)}
.hero-orb{width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.25),rgba(6,182,212,.15),transparent);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);animation:pulse 4s infinite}
.hero-ring{width:300px;height:300px;border-radius:50%;border:1px dashed rgba(139,92,246,.25);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);animation:orbit 20s linear infinite}
.hero-ring2{width:380px;height:380px;border-radius:50%;border:1px dashed rgba(6,182,212,.15);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);animation:orbit 30s linear infinite reverse}
.hero-float-card{position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;display:flex;align-items:center;gap:10px;animation:float 5s infinite;box-shadow:0 8px 32px rgba(0,0,0,.4)}
.hero-float-card.fc1{top:15%;right:5%;animation-delay:0s}
.hero-float-card.fc2{bottom:20%;left:5%;animation-delay:1.5s}
.fc-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.fc-icon.vi{background:var(--violet-g);color:var(--violet)}
.fc-icon.cy{background:var(--cyan-g);color:var(--cyan)}
.fc-icon.am{background:var(--amber-g);color:var(--amber)}
.fc-label{font-size:12px;color:var(--text3)}
.fc-val{font-size:15px;font-weight:700;color:#fff}

/* Stats Ribbon */
.stats-ribbon{padding:40px 0;background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-row{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;text-align:center}
.stat-item{padding:16px}
.stat-num{font-size:32px;font-weight:800;margin-bottom:4px}
.stat-num.c-violet{background:linear-gradient(135deg,var(--violet),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-num.c-cyan{background:linear-gradient(135deg,var(--cyan),var(--emerald));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-num.c-amber{background:linear-gradient(135deg,var(--amber),var(--rose));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-lbl{font-size:14px;color:var(--text3)}

/* Feature Cards */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius2);padding:32px 28px;transition:all .3s;position:relative;overflow:hidden}
.feat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--radius2) var(--radius2) 0 0;transform:scaleX(0);transition:transform .3s;transform-origin:left}
.feat-card:hover::before{transform:scaleX(1)}
.feat-card:hover{border-color:var(--border2);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.feat-card.fc-violet::before{background:linear-gradient(90deg,var(--violet),var(--cyan))}
.feat-card.fc-cyan::before{background:linear-gradient(90deg,var(--cyan),var(--emerald))}
.feat-card.fc-amber::before{background:linear-gradient(90deg,var(--amber),var(--rose))}
.feat-card.fc-rose::before{background:linear-gradient(90deg,var(--rose),var(--violet))}
.feat-card.fc-emerald::before{background:linear-gradient(90deg,var(--emerald),var(--cyan))}
.feat-card.fc-sky::before{background:linear-gradient(90deg,var(--sky),var(--violet))}
.feat-card.fc-violet2::before{background:linear-gradient(90deg,var(--violet2),var(--amber))}
.feat-card.fc-cyan2::before{background:linear-gradient(90deg,var(--cyan2),var(--violet))}
.feat-card.fc-amber2::before{background:linear-gradient(90deg,var(--amber2),var(--emerald))}
.feat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.fi-violet{background:var(--violet-g);color:var(--violet)}
.fi-cyan{background:var(--cyan-g);color:var(--cyan)}
.fi-amber{background:var(--amber-g);color:var(--amber)}
.fi-rose{background:rgba(244,63,94,.12);color:var(--rose)}
.fi-emerald{background:rgba(16,185,129,.12);color:var(--emerald)}
.fi-sky{background:rgba(14,165,233,.12);color:var(--sky)}
.feat-name{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.feat-desc{font-size:14px;color:var(--text2);line-height:1.7}

/* Platform Grid */
.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius2);padding:28px 24px;text-align:center;transition:all .3s}
.plat-card:hover{border-color:var(--border2);transform:translateY(-3px)}
.plat-card.featured{border-color:var(--violet);background:linear-gradient(180deg,rgba(139,92,246,.08),var(--surface));box-shadow:0 0 30px rgba(139,92,246,.1)}
.plat-badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:11px;font-weight:700;margin-bottom:16px;background:var(--violet-g);color:var(--violet);border:1px solid rgba(139,92,246,.3)}
.plat-icon{width:48px;height:48px;margin:0 auto 16px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05)}
.plat-icon svg{width:28px;height:28px}
.plat-name{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.plat-ver{font-size:13px;color:var(--text3);margin-bottom:16px}

/* Deep Feature Rows */
.deep-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:60px 0}
.deep-row+.deep-row{border-top:1px solid var(--border)}
.deep-row.rev .deep-info{order:2}
.deep-row.rev .deep-visual{order:1}
.deep-info{min-width:0}
.deep-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:16px;font-size:12px;font-weight:600;margin-bottom:16px}
.db-violet{background:var(--violet-g);color:var(--violet);border:1px solid rgba(139,92,246,.25)}
.db-cyan{background:var(--cyan-g);color:var(--cyan);border:1px solid rgba(6,182,212,.25)}
.db-amber{background:var(--amber-g);color:var(--amber);border:1px solid rgba(245,158,11,.25)}
.db-rose{background:rgba(244,63,94,.12);color:var(--rose);border:1px solid rgba(244,63,94,.25)}
.deep-title{font-size:28px;font-weight:800;color:#fff;margin-bottom:14px;line-height:1.3}
.deep-desc{font-size:15px;color:var(--text2);margin-bottom:20px;line-height:1.7}
.deep-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.deep-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text2)}
.deep-list li svg{flex-shrink:0;margin-top:3px;color:var(--emerald)}
.deep-visual{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius2);padding:32px;min-height:260px;display:flex;align-items:center;justify-content:center}
.dv-panel{width:100%}
.dv-panel-title{font-size:13px;color:var(--text3);margin-bottom:16px;font-weight:600;text-transform:uppercase;letter-spacing:1px}
.dv-bar-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.dv-bar-label{width:80px;font-size:13px;color:var(--text2);text-align:right;flex-shrink:0}
.dv-bar-track{flex:1;height:10px;background:rgba(255,255,255,.06);border-radius:5px;overflow:hidden}
.dv-bar-fill{height:100%;border-radius:5px;transition:width 1s ease}
.bf-violet{background:linear-gradient(90deg,var(--violet),var(--violet2))}
.bf-cyan{background:linear-gradient(90deg,var(--cyan),var(--cyan2))}
.bf-amber{background:linear-gradient(90deg,var(--amber),var(--amber2))}
.bf-emerald{background:linear-gradient(90deg,var(--emerald),var(--emerald2))}
.dv-bar-val{width:40px;font-size:13px;color:var(--text2);font-weight:600}
.dv-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.dv-stat{background:rgba(255,255,255,.04);border-radius:var(--radius);padding:16px;text-align:center}
.dv-stat-num{font-size:24px;font-weight:800;margin-bottom:4px}
.dv-stat-num.c-violet{color:var(--violet)}
.dv-stat-num.c-cyan{color:var(--cyan)}
.dv-stat-num.c-amber{color:var(--amber)}
.dv-stat-lbl{font-size:12px;color:var(--text3)}

/* Reviews */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius2);padding:28px;transition:all .3s}
.rev-card:hover{border-color:var(--border2)}
.rev-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.rev-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex-shrink:0}
.av-violet{background:linear-gradient(135deg,var(--violet),var(--violet2))}
.av-cyan{background:linear-gradient(135deg,var(--cyan),var(--cyan2))}
.av-amber{background:linear-gradient(135deg,var(--amber),var(--amber2))}
.av-rose{background:linear-gradient(135deg,var(--rose),var(--rose2))}
.av-emerald{background:linear-gradient(135deg,var(--emerald),var(--emerald2))}
.av-sky{background:linear-gradient(135deg,var(--sky),var(--sky2))}
.rev-info{flex:1}
.rev-name{font-size:14px;font-weight:600;color:#fff}
.rev-role{font-size:12px;color:var(--text3)}
.rev-stars{display:flex;gap:2px;margin-bottom:12px;color:var(--amber)}
.rev-text{font-size:14px;color:var(--text2);line-height:1.7}

/* Comparison Table */
.cmp-wrap{overflow-x:auto;margin:0 -24px;padding:0 24px}
.cmp-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius2);overflow:hidden;border:1px solid var(--border)}
.cmp-table th{background:var(--surface2);padding:14px 20px;font-size:13px;font-weight:700;color:var(--text2);text-align:left;border-bottom:1px solid var(--border)}
.cmp-table td{padding:14px 20px;font-size:14px;color:var(--text2);border-bottom:1px solid var(--border)}
.cmp-table tr:hover td{background:rgba(255,255,255,.02)}
.cmp-hl{color:var(--violet);font-weight:600}
.yes{color:var(--emerald);font-weight:600}
.no{color:var(--rose);font-weight:600}
.part{color:var(--amber);font-weight:600}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:var(--border2)}
.faq-item.open{border-color:var(--violet);box-shadow:0 0 20px rgba(139,92,246,.08)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-size:15px;font-weight:600;color:#fff;gap:16px}
.faq-chevron{flex-shrink:0;transition:transform .3s;color:var(--text3)}
.faq-item.open .faq-chevron{transform:rotate(180deg);color:var(--violet)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a-inner{padding:0 24px 20px;font-size:14px;color:var(--text2);line-height:1.8}

/* CTA Banner */
.cta-banner{background:linear-gradient(135deg,rgba(139,92,246,.15),rgba(6,182,212,.1)),var(--surface);border:1px solid rgba(139,92,246,.2);border-radius:var(--radius3);padding:60px;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(139,92,246,.08) 0%,transparent 60%);animation:drift 15s infinite}
.cta-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:16px;background:var(--violet-g);color:var(--violet);font-size:12px;font-weight:600;margin-bottom:16px;border:1px solid rgba(139,92,246,.25)}
.cta-title{font-size:32px;font-weight:800;color:#fff;margin-bottom:12px;position:relative}
.cta-desc{font-size:16px;color:var(--text2);margin-bottom:28px;position:relative}
.cta-actions{display:flex;gap:16px;justify-content:center;position:relative;flex-wrap:wrap}

/* Download Page */
.dl-hero{padding:80px 0 60px;background:radial-gradient(ellipse at 50% 30%,rgba(139,92,246,.1) 0%,transparent 50%),var(--bg2);text-align:center}
.dl-hero-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:16px;background:var(--violet-g);color:var(--violet);font-size:12px;font-weight:600;margin-bottom:16px;border:1px solid rgba(139,92,246,.25)}
.dl-hero-title{font-size:40px;font-weight:800;color:#fff;margin-bottom:12px}
.dl-hero-sub{font-size:17px;color:var(--text2);margin-bottom:32px}
.dl-main{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius3);padding:40px;max-width:720px;margin:0 auto 48px;position:relative;overflow:hidden}
.dl-main::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--violet),var(--cyan),var(--amber))}
.dl-main-head{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.dl-main-icon{width:56px;height:56px;border-radius:14px;background:var(--violet-g);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dl-main-icon svg{width:32px;height:32px;color:var(--violet)}
.dl-main-info{flex:1}
.dl-main-name{font-size:22px;font-weight:700;color:#fff}
.dl-main-meta{font-size:13px;color:var(--text3);margin-top:4px}
.dl-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.dl-spec{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:8px;padding:12px 16px}
.dl-spec-label{font-size:11px;color:var(--text3);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.dl-spec-val{font-size:14px;font-weight:600;color:#fff}
.dl-sec-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:12px;background:rgba(16,185,129,.1);color:var(--emerald);font-size:12px;font-weight:600;margin-bottom:20px;border:1px solid rgba(16,185,129,.2)}
.dl-main-btns{display:flex;gap:12px;flex-wrap:wrap}

/* Other Platforms */
.op-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.op-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius2);padding:28px 24px;text-align:center;transition:all .3s}
.op-card:hover{border-color:var(--border2);transform:translateY(-3px)}
.op-icon{width:44px;height:44px;margin:0 auto 14px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05)}
.op-icon svg{width:24px;height:24px}
.op-name{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}
.op-ver{font-size:12px;color:var(--text3);margin-bottom:14px}

/* Guide Grid */
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.guide-col-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#fff;margin-bottom:24px}
.guide-col-dot{width:8px;height:8px;border-radius:50%}
.guide-col-dot.dot-violet{background:var(--violet)}
.guide-col-dot.dot-cyan{background:var(--cyan)}
.guide-steps{display:flex;flex-direction:column;gap:16px}
.gstep{display:flex;gap:14px;align-items:flex-start}
.gstep-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.gstep-num.gn-violet{background:var(--violet-g);color:var(--violet);border:1px solid rgba(139,92,246,.3)}
.gstep-num.gn-cyan{background:var(--cyan-g);color:var(--cyan);border:1px solid rgba(6,182,212,.3)}
.gstep-body{flex:1}
.gstep-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:4px}
.gstep-desc{font-size:13px;color:var(--text2);line-height:1.6}

/* Requirements */
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.req-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px}
.req-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;background:rgba(255,255,255,.05)}
.req-icon svg{width:20px;height:20px}
.req-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:10px}
.req-val{font-size:13px;color:var(--text2);line-height:1.7}

/* Version Timeline */
.ver-list{display:flex;flex-direction:column;gap:0;position:relative}
.ver-item{display:flex;gap:20px;padding:20px 0;position:relative}
.ver-dot-col{display:flex;flex-direction:column;align-items:center;width:20px;flex-shrink:0}
.ver-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0;position:relative;z-index:1}
.vd-violet{background:var(--violet);box-shadow:0 0 10px rgba(139,92,246,.4)}
.vd-cyan{background:var(--cyan);box-shadow:0 0 10px rgba(6,182,212,.4)}
.vd-amber{background:var(--amber);box-shadow:0 0 10px rgba(245,158,11,.4)}
.vd-rose{background:var(--rose);box-shadow:0 0 10px rgba(244,63,94,.4)}
.vd-emerald{background:var(--emerald);box-shadow:0 0 10px rgba(16,185,129,.4)}
.ver-line{width:2px;flex:1;background:var(--border);margin-top:4px}
.ver-body{flex:1}
.ver-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.ver-num{font-size:16px;font-weight:700;color:#fff}
.ver-tag{padding:3px 10px;border-radius:10px;font-size:11px;font-weight:600}
.vt-stable{background:var(--violet-g);color:var(--violet);border:1px solid rgba(139,92,246,.25)}
.vt-lts{background:var(--cyan-g);color:var(--cyan);border:1px solid rgba(6,182,212,.25)}
.vt-beta{background:var(--amber-g);color:var(--amber);border:1px solid rgba(245,158,11,.25)}
.ver-date{font-size:12px;color:var(--text3)}
.ver-desc{font-size:14px;color:var(--text2);line-height:1.6}

/* Security Banner */
.sec-banner{display:flex;align-items:center;gap:16px;background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.2);border-radius:var(--radius2);padding:28px 32px}
.sec-banner-icon{width:48px;height:48px;border-radius:12px;background:rgba(16,185,129,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--emerald)}
.sec-banner-text{flex:1}
.sec-banner-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}
.sec-banner-desc{font-size:14px;color:var(--text2);line-height:1.6}

/* Article Page */
.art-hero{padding:80px 0 60px;background:radial-gradient(ellipse at 40% 30%,rgba(139,92,246,.1) 0%,transparent 50%),var(--bg2)}
.art-hero-inner{max-width:800px}
.art-hero-title{font-size:40px;font-weight:800;color:#fff;margin-bottom:12px;line-height:1.2}
.art-hero-sub{font-size:17px;color:var(--text2);line-height:1.7}
.kw-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.kw{padding:5px 14px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--border);font-size:12px;color:var(--text2);transition:all .2s}
.kw:hover{border-color:var(--violet);color:var(--violet);background:var(--violet-g)}
.art-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:60px 0}
.art-body{min-width:0}
.art-body h2{font-size:24px;font-weight:700;color:#fff;margin:40px 0 16px;padding-top:20px;border-top:1px solid var(--border)}
.art-body h2:first-child{margin-top:0;border-top:none;padding-top:0}
.art-body p{font-size:15px;color:var(--text2);line-height:1.8;margin-bottom:16px}
.art-body ul,.art-body ol{margin:0 0 16px 20px;font-size:15px;color:var(--text2);line-height:1.8}
.art-body strong{color:#fff;font-weight:600}
.inline-cta{background:linear-gradient(135deg,rgba(139,92,246,.1),rgba(6,182,212,.08));border:1px solid rgba(139,92,246,.2);border-radius:var(--radius2);padding:28px 32px;margin:32px 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.inline-cta-title{font-size:18px;font-weight:700;color:#fff;margin-bottom:4px}
.inline-cta-desc{font-size:14px;color:var(--text2)}
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:16px 0}
.tip-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.tip-num{font-size:24px;font-weight:800;margin-bottom:8px;background:linear-gradient(135deg,var(--violet),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tip-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:6px}
.tip-desc{font-size:13px;color:var(--text2);line-height:1.6}

/* Sidebar */
.sidebar{position:sticky;top:80px;align-self:start}
.sbox{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius2);padding:24px;margin-bottom:20px}
.sbox-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.sdl-btn{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:rgba(255,255,255,.03);cursor:pointer;transition:all .2s;margin-bottom:10px;text-align:left}
.sdl-btn:hover{border-color:var(--violet);background:var(--violet-g)}
.sdl-btn.primary{border-color:var(--violet);background:var(--violet-g)}
.sdl-btn-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:rgba(255,255,255,.06)}
.sdl-btn-info{flex:1}
.sdl-btn-name{font-size:13px;font-weight:600;color:#fff}
.sdl-btn-ver{font-size:11px;color:var(--text3)}
.stoc{list-style:none}
.stoc li{margin-bottom:8px}
.stoc a{font-size:13px;color:var(--text2);transition:color .2s;display:block;padding:4px 0}
.stoc a:hover{color:var(--violet)}
.sstat{display:flex;flex-direction:column;gap:12px}
.sstat-item{display:flex;justify-content:space-between;align-items:center}
.sstat-num{font-size:16px;font-weight:700;color:var(--violet)}
.sstat-lbl{font-size:13px;color:var(--text3)}
.side-security{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:var(--radius);background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.2);font-size:12px;color:var(--emerald);line-height:1.5}

/* Footer */
.site-footer{background:var(--bg2);border-top:1px solid var(--border);padding:40px 0}
.footer-inner{text-align:center}
.footer-brand{font-size:16px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-security{font-size:14px;color:var(--emerald);margin-bottom:8px}
.footer-note{font-size:12px;color:var(--text3);line-height:1.6}

/* Responsive */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{display:none}
  .stats-row{grid-template-columns:repeat(3,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .plat-grid{grid-template-columns:repeat(2,1fr)}
  .deep-row{grid-template-columns:1fr;gap:32px}
  .deep-row.rev .deep-info{order:1}
  .deep-row.rev .deep-visual{order:2}
  .rev-grid{grid-template-columns:repeat(2,1fr)}
  .op-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:repeat(2,1fr)}
  .art-layout{grid-template-columns:1fr}
  .sidebar{position:static}
}
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--border);flex-direction:column;padding:16px;gap:4px}
  .nav-menu.show{display:flex}
  .nav-mob{display:block}
  .nav-cta{margin-left:0;margin-top:8px}
  .hero-title{font-size:32px}
  .sec-title{font-size:28px}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:1fr}
  .plat-grid{grid-template-columns:1fr}
  .rev-grid{grid-template-columns:1fr}
  .op-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .dl-specs{grid-template-columns:repeat(2,1fr)}
  .tips-grid{grid-template-columns:1fr}
  .cta-banner{padding:40px 24px}
  .cta-title{font-size:24px}
  .dl-hero-title{font-size:28px}
  .art-hero-title{font-size:28px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn{width:100%;max-width:320px}
}