/* ========== Solar Wind / Heliosphere Theme ========== */
/* Deep space navy + Solar gold (#eab308) + Plasma blue (#38bdf8) */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:#1e293b;line-height:1.7;background:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;font-family:inherit}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes pulse-glow{0%,100%{opacity:.6}50%{opacity:1}}

/* ========== Layout ========== */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ========== Top Navigation ========== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(7,11,20,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,179,8,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 24px;height:64px}
.hdr-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#f1f5f9}
.hdr-brand svg{flex-shrink:0}
.hdr-brand .brand-accent{color:#eab308}
.hdr-nav{display:flex;align-items:center;gap:6px}
.hdr-nav a{padding:8px 18px;border-radius:8px;font-size:14px;font-weight:500;color:#94a3b8;transition:all .25s}
.hdr-nav a:hover{color:#f1f5f9;background:rgba(255,255,255,.06)}
.hdr-nav a.on{color:#eab308;background:rgba(234,179,8,.12)}
.hdr-cta{display:none}
@media(min-width:768px){.hdr-cta{display:inline-block}}

/* ========== Buttons ========== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:10px;font-size:15px;font-weight:600;transition:all .25s;border:none;cursor:pointer;line-height:1.4}
.btn-gold{background:linear-gradient(135deg,#eab308,#f59e0b);color:#0f172a;box-shadow:0 4px 20px rgba(234,179,8,.3)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(234,179,8,.45)}
.btn-blue{background:linear-gradient(135deg,#0284c7,#38bdf8);color:#fff;box-shadow:0 4px 20px rgba(56,189,248,.3)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(56,189,248,.45)}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,.25);color:#f1f5f9}
.btn-outline:hover{border-color:#eab308;color:#eab308}
.btn-outline-dark{background:transparent;border:2px solid #cbd5e1;color:#334155}
.btn-outline-dark:hover{border-color:#eab308;color:#b45309}
.btn-white{background:#fff;color:#0f172a;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,.12)}
.btn-ghost{background:transparent;color:#eab308;padding:12px 20px}
.btn-ghost:hover{background:rgba(234,179,8,.08)}
.btn-lg{padding:16px 36px;font-size:17px;border-radius:12px}
.btn-sm{padding:8px 18px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}

/* ========== Sections ========== */
.sec{padding:80px 0}
.sec-light{background:#f8fafc}
.sec-dark{background:#0e1422;color:#f1f5f9}
.sec-navy{background:linear-gradient(180deg,#070b14,#0e1422);color:#f1f5f9}
.sec-gold{background:linear-gradient(135deg,#78350f,#92400e);color:#fef3c7}
.sec-head{text-align:center;margin-bottom:56px}
.sec-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:16px}
.sec-pill-gold{background:rgba(234,179,8,.12);color:#eab308}
.sec-pill-blue{background:rgba(56,189,248,.12);color:#38bdf8}
.sec-pill-white{background:rgba(255,255,255,.1);color:#f1f5f9}
.pill-dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse-glow 2s infinite}
.sec-title{font-size:36px;font-weight:800;line-height:1.2;margin-bottom:16px}
.sec-title-light{color:#f1f5f9}
.sec-sub{font-size:17px;color:#64748b;max-width:640px;margin:0 auto;line-height:1.6}
.sec-sub-light{color:#94a3b8}

/* ========== Hero ========== */
.hero{position:relative;background:linear-gradient(145deg,#070b14 0%,#0c1833 35%,#1a1a4e 65%,#2d1b69 100%);overflow:hidden;padding:120px 0 100px}
.hero::before{content:"";position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(234,179,8,.12) 0%,transparent 70%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-150px;left:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(56,189,248,.1) 0%,transparent 70%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;background:rgba(234,179,8,.1);border:1px solid rgba(234,179,8,.2);border-radius:24px;font-size:13px;font-weight:600;color:#fde047;margin-bottom:24px}
.hero-tag-dot{width:8px;height:8px;border-radius:50%;background:#eab308;animation:pulse-glow 2s infinite}
.hero-title{font-size:52px;font-weight:800;line-height:1.1;color:#f1f5f9;margin-bottom:20px}
.hero-title .gold{color:#eab308}
.hero-title .blue{color:#38bdf8}
.hero-desc{font-size:18px;color:#94a3b8;line-height:1.7;margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-trust{display:flex;gap:24px;flex-wrap:wrap}
.hero-trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:#94a3b8}
.hero-trust-item svg{color:#eab308;flex-shrink:0}

/* Hero Visual */
.hero-visual{position:relative;display:flex;justify-content:center}
.hero-globe{width:340px;height:340px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(56,189,248,.2),rgba(234,179,8,.1),transparent 70%);border:2px solid rgba(234,179,8,.15);position:relative;animation:float 6s ease-in-out infinite;display:flex;align-items:center;justify-content:center}
.hero-globe::before{content:"";position:absolute;inset:20px;border-radius:50%;border:1px dashed rgba(56,189,248,.2)}
.hero-globe::after{content:"";position:absolute;inset:50px;border-radius:50%;border:1px dashed rgba(234,179,8,.15)}
.globe-icon{color:#eab308;opacity:.8}
.globe-orbit{position:absolute;width:12px;height:12px;border-radius:50%}
.go1{top:30px;right:60px;background:#eab308;box-shadow:0 0 12px rgba(234,179,8,.6)}
.go2{bottom:50px;left:30px;background:#38bdf8;box-shadow:0 0 12px rgba(56,189,248,.6)}
.go3{top:50%;right:10px;background:#a78bfa;box-shadow:0 0 12px rgba(167,139,250,.6)}

/* ========== Stats Ribbon ========== */
.stats-ribbon{background:#0e1422;border-top:1px solid rgba(234,179,8,.1);border-bottom:1px solid rgba(234,179,8,.1);padding:32px 0}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item{padding:8px}
.stat-num{font-size:32px;font-weight:800;background:linear-gradient(135deg,#eab308,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-lbl{font-size:13px;color:#94a3b8;margin-top:4px}

/* ========== Feature Spotlight Cards ========== */
.spot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.spot-card{background:#fff;border-radius:16px;padding:32px;border:1px solid #e2e8f0;transition:all .3s;position:relative;overflow:hidden}
.spot-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:16px 16px 0 0;opacity:0;transition:opacity .3s}
.spot-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.08)}
.spot-card:hover::before{opacity:1}
.spot-card:nth-child(1)::before{background:linear-gradient(90deg,#eab308,#f59e0b)}
.spot-card:nth-child(2)::before{background:linear-gradient(90deg,#38bdf8,#0ea5e9)}
.spot-card:nth-child(3)::before{background:linear-gradient(90deg,#a78bfa,#8b5cf6)}
.spot-card:nth-child(4)::before{background:linear-gradient(90deg,#34d399,#10b981)}
.spot-card:nth-child(5)::before{background:linear-gradient(90deg,#f472b6,#ec4899)}
.spot-card:nth-child(6)::before{background:linear-gradient(90deg,#fb923c,#f97316)}
.spot-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.si-gold{background:rgba(234,179,8,.1);color:#b45309}
.si-blue{background:rgba(56,189,248,.1);color:#0284c7}
.si-violet{background:rgba(139,92,246,.1);color:#7c3aed}
.si-emerald{background:rgba(16,185,129,.1);color:#059669}
.si-rose{background:rgba(244,114,182,.1);color:#db2777}
.si-orange{background:rgba(251,146,60,.1);color:#ea580c}
.spot-name{font-size:18px;font-weight:700;margin-bottom:10px;color:#0f172a}
.spot-desc{font-size:14px;color:#64748b;line-height:1.7}

/* ========== Platform Hub ========== */
.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plat-card{background:#fff;border-radius:16px;padding:28px 20px;text-align:center;border:1px solid #e2e8f0;transition:all .3s}
.plat-card.featured{background:linear-gradient(135deg,#070b14,#0c1833);border-color:rgba(234,179,8,.3);color:#f1f5f9}
.plat-card.featured .plat-ver{color:#94a3b8}
.plat-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.plat-icon{width:48px;height:48px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center}
.plat-badge{display:inline-block;padding:3px 10px;border-radius:10px;font-size:11px;font-weight:700;background:rgba(234,179,8,.15);color:#eab308;margin-bottom:8px}
.plat-name{font-size:17px;font-weight:700;margin-bottom:4px}
.plat-ver{font-size:13px;color:#64748b;margin-bottom:16px}

/* ========== Deep Dive Rows ========== */
.dive-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:40px 0}
.dive-row.flip .dive-content{order:2}
.dive-row.flip .dive-media{order:1}
.dive-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-gold{background:rgba(234,179,8,.1);color:#b45309}
.db-blue{background:rgba(56,189,248,.1);color:#0284c7}
.db-violet{background:rgba(139,92,246,.1);color:#7c3aed}
.db-emerald{background:rgba(16,185,129,.1);color:#059669}
.dive-title{font-size:28px;font-weight:700;margin-bottom:14px;color:#0f172a}
.dive-desc{font-size:15px;color:#64748b;line-height:1.7;margin-bottom:20px}
.dive-list{list-style:none}
.dive-list li{padding:6px 0;padding-left:24px;position:relative;font-size:14px;color:#475569}
.dive-list li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:50%;background:#eab308}
.dive-visual{background:#f1f5f9;border-radius:16px;padding:32px;min-height:260px;display:flex;flex-direction:column;justify-content:center;border:1px solid #e2e8f0}
.dv-meter{margin-bottom:16px}
.dv-meter-label{display:flex;justify-content:space-between;font-size:13px;color:#64748b;margin-bottom:6px}
.dv-meter-track{height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden}
.dv-meter-fill{height:100%;border-radius:4px}
.mf-gold{background:linear-gradient(90deg,#eab308,#f59e0b)}
.mf-blue{background:linear-gradient(90deg,#0284c7,#38bdf8)}
.mf-violet{background:linear-gradient(90deg,#7c3aed,#a78bfa)}
.mf-emerald{background:linear-gradient(90deg,#059669,#34d399)}
.dv-stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:8px}
.dv-stat{background:#fff;border-radius:10px;padding:14px;text-align:center;border:1px solid #e2e8f0}
.dv-stat-num{font-size:20px;font-weight:800;color:#0f172a}
.dv-stat-lbl{font-size:11px;color:#94a3b8;margin-top:2px}

/* ========== Reviews ========== */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rev-card{background:#fff;border-radius:16px;padding:28px;border:1px solid #e2e8f0;transition:all .3s}
.rev-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.06)}
.rev-header{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.rev-avatar{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;flex-shrink:0}
.ra-gold{background:linear-gradient(135deg,#eab308,#f59e0b)}
.ra-blue{background:linear-gradient(135deg,#0284c7,#38bdf8)}
.ra-violet{background:linear-gradient(135deg,#7c3aed,#a78bfa)}
.ra-emerald{background:linear-gradient(135deg,#059669,#34d399)}
.ra-rose{background:linear-gradient(135deg,#db2777,#f472b6)}
.ra-orange{background:linear-gradient(135deg,#ea580c,#fb923c)}
.rev-info{flex:1}
.rev-name{font-size:15px;font-weight:700;color:#0f172a}
.rev-role{font-size:12px;color:#94a3b8}
.rev-stars{color:#eab308;font-size:14px;margin-bottom:12px;display:flex;gap:3px}
.rev-text{font-size:14px;color:#475569;line-height:1.7}

/* ========== Comparison Table ========== */
.cmp-wrap{overflow-x:auto;border-radius:16px;border:1px solid #e2e8f0}
.cmp-table{width:100%;border-collapse:collapse;min-width:640px}
.cmp-table th,.cmp-table td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid #f1f5f9}
.cmp-table thead th{background:#f8fafc;font-weight:700;color:#334155;position:sticky;top:0}
.cmp-table tbody tr:hover{background:#fffbeb}
.cmp-hl{background:rgba(234,179,8,.04)!important;font-weight:600}
.yes{color:#059669;font-weight:600}
.no{color:#dc2626;font-weight:600}
.part{color:#d97706;font-weight:600}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #e2e8f0;border-radius:12px;margin-bottom:12px;overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:#cbd5e1}
.faq-item.open{border-color:rgba(234,179,8,.3);box-shadow:0 4px 16px rgba(234,179,8,.06)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-size:15px;font-weight:600;color:#1e293b;background:#fff;gap:16px}
.faq-q:hover{color:#b45309}
.faq-chevron{width:20px;height:20px;color:#94a3b8;transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-chevron{transform:rotate(180deg);color:#eab308}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:500px}
.faq-a-inner{padding:0 24px 20px;font-size:14px;color:#475569;line-height:1.8}

/* ========== CTA Banner ========== */
.cta-banner{background:linear-gradient(135deg,#070b14,#1a1a4e,#2d1b69);border-radius:20px;padding:64px 40px;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;top:-100px;right:-100px;width:300px;height:300px;background:radial-gradient(circle,rgba(234,179,8,.15),transparent 70%);pointer-events:none}
.cta-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:rgba(234,179,8,.12);border-radius:20px;font-size:13px;font-weight:600;color:#fde047;margin-bottom:20px}
.cta-title{font-size:32px;font-weight:800;color:#f1f5f9;margin-bottom:14px}
.cta-desc{font-size:16px;color:#94a3b8;margin-bottom:32px;max-width:540px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ========== Download Page Hero ========== */
.dl-hero{background:linear-gradient(145deg,#070b14,#0c1833,#1a1a4e);padding:100px 0 60px;text-align:center;color:#f1f5f9}
.dl-hero-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.2);border-radius:20px;font-size:13px;font-weight:600;color:#38bdf8;margin-bottom:20px}
.dl-hero-title{font-size:42px;font-weight:800;margin-bottom:14px}
.dl-hero-sub{font-size:17px;color:#94a3b8;max-width:600px;margin:0 auto}

/* ========== Download Main Box ========== */
.dl-main{max-width:640px;margin:-40px auto 0;position:relative;z-index:2}
.dl-card{background:#fff;border-radius:20px;padding:40px;border:1px solid #e2e8f0;box-shadow:0 12px 40px rgba(0,0,0,.08)}
.dl-card-head{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.dl-card-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#070b14,#0c1833);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dl-card-info{flex:1}
.dl-card-name{font-size:20px;font-weight:700;color:#0f172a}
.dl-card-meta{font-size:13px;color:#64748b}
.dl-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.dl-spec{background:#f8fafc;border-radius:10px;padding:12px;text-align:center}
.dl-spec-label{font-size:11px;color:#94a3b8;text-transform:uppercase;letter-spacing:.5px}
.dl-spec-val{font-size:15px;font-weight:700;color:#0f172a;margin-top:2px}
.dl-sec-badge{display:flex;align-items:center;gap:8px;padding:10px 16px;background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.15);border-radius:10px;font-size:13px;color:#059669;margin-bottom:24px}

/* ========== Other Platforms Grid ========== */
.op-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.op-card{background:#fff;border-radius:16px;padding:28px 20px;text-align:center;border:1px solid #e2e8f0;transition:all .3s}
.op-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.op-icon{width:44px;height:44px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;color:#334155}
.op-name{font-size:16px;font-weight:700;margin-bottom:4px}
.op-ver{font-size:12px;color:#94a3b8;margin-bottom:14px}
.op-steps{text-align:left;margin-bottom:16px}
.op-steps li{font-size:13px;color:#64748b;padding:3px 0;list-style:decimal inside}

/* ========== Install Guide ========== */
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.guide-col{background:#fff;border-radius:16px;padding:32px;border:1px solid #e2e8f0}
.guide-col-title{font-size:20px;font-weight:700;margin-bottom:24px;display:flex;align-items:center;gap:10px}
.guide-steps{list-style:none}
.gstep{display:flex;gap:16px;margin-bottom:20px;position:relative}
.gstep:last-child{margin-bottom:0}
.gstep-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.gn-gold{background:linear-gradient(135deg,#eab308,#f59e0b)}
.gn-blue{background:linear-gradient(135deg,#0284c7,#38bdf8)}
.gstep-body{flex:1;padding-top:4px}
.gstep-title{font-size:15px;font-weight:600;color:#0f172a;margin-bottom:4px}
.gstep-desc{font-size:13px;color:#64748b;line-height:1.6}

/* ========== System Requirements ========== */
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.req-card{background:#fff;border-radius:14px;padding:24px;text-align:center;border:1px solid #e2e8f0}
.req-icon{width:40px;height:40px;margin:0 auto 12px;color:#0284c7;display:flex;align-items:center;justify-content:center}
.req-title{font-size:14px;font-weight:600;color:#64748b;margin-bottom:4px}
.req-val{font-size:16px;font-weight:700;color:#0f172a}

/* ========== Version Timeline ========== */
.ver-list{max-width:700px;margin:0 auto}
.ver-item{display:flex;gap:20px;margin-bottom:24px;position:relative}
.ver-dot-col{display:flex;flex-direction:column;align-items:center;width:20px;flex-shrink:0}
.ver-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0}
.vd-gold{background:#eab308;box-shadow:0 0 8px rgba(234,179,8,.4)}
.vd-blue{background:#38bdf8;box-shadow:0 0 8px rgba(56,189,248,.4)}
.vd-violet{background:#a78bfa;box-shadow:0 0 8px rgba(167,139,250,.4)}
.ver-line{flex:1;width:2px;background:#e2e8f0;margin:4px 0}
.ver-body{flex:1;padding-bottom:8px}
.ver-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.ver-num{font-size:16px;font-weight:700;color:#0f172a}
.ver-tag{padding:2px 10px;border-radius:8px;font-size:11px;font-weight:600}
.vt-stable{background:rgba(16,185,129,.1);color:#059669}
.vt-lts{background:rgba(234,179,8,.1);color:#b45309}
.vt-beta{background:rgba(139,92,246,.1);color:#7c3aed}
.ver-date{font-size:12px;color:#94a3b8}
.ver-desc{font-size:14px;color:#475569;line-height:1.7;margin-top:6px}

/* ========== Security Banner ========== */
.sec-banner{display:flex;align-items:center;gap:16px;padding:20px 28px;background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.15);border-radius:14px}
.sec-banner-ico{width:44px;height:44px;border-radius:12px;background:rgba(16,185,129,.1);display:flex;align-items:center;justify-content:center;color:#059669;flex-shrink:0}
.sec-banner-text{flex:1}
.sec-banner-title{font-size:15px;font-weight:700;color:#065f46}
.sec-banner-desc{font-size:13px;color:#059669;margin-top:2px}

/* ========== Article Page ========== */
.art-hero{background:linear-gradient(145deg,#070b14,#0c1833);padding:100px 0 60px;text-align:center;color:#f1f5f9}
.art-hero-title{font-size:38px;font-weight:800;margin-bottom:14px}
.art-hero-sub{font-size:17px;color:#94a3b8;max-width:600px;margin:0 auto}
.kw-strip{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:24px}
.kw{padding:5px 14px;background:rgba(234,179,8,.08);border:1px solid rgba(234,179,8,.15);border-radius:16px;font-size:12px;color:#fde047;font-weight:500}
.art-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.art-body{min-width:0}
.art-body h2{font-size:24px;font-weight:700;color:#0f172a;margin:40px 0 16px;padding-bottom:10px;border-bottom:2px solid rgba(234,179,8,.2)}
.art-body h3{font-size:19px;font-weight:600;color:#1e293b;margin:28px 0 12px}
.art-body p{font-size:15px;color:#475569;line-height:1.8;margin-bottom:16px}
.art-body ul,.art-body ol{margin:12px 0 16px 20px;color:#475569;font-size:15px;line-height:1.8}
.art-body strong{color:#0f172a}
.inline-cta{background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1px solid rgba(234,179,8,.2);border-radius:14px;padding:24px 28px;margin:32px 0}
.inline-cta-title{font-size:17px;font-weight:700;color:#92400e;margin-bottom:6px}
.inline-cta-desc{font-size:14px;color:#78350f;margin-bottom:14px}
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0}
.tip-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:18px;font-size:14px;color:#334155}
.tip-card strong{display:block;margin-bottom:4px;color:#0f172a}

/* ========== Sidebar ========== */
.sidebar{position:sticky;top:80px}
.sbox{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:24px;margin-bottom:20px}
.sbox-title{font-size:16px;font-weight:700;color:#0f172a;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid #f1f5f9}
.sdl-btn{display:block;width:100%;padding:12px;border-radius:10px;text-align:center;font-size:14px;font-weight:600;margin-bottom:10px;border:none;cursor:pointer;transition:all .2s}
.sdl-btn.primary{background:linear-gradient(135deg,#eab308,#f59e0b);color:#0f172a}
.sdl-btn.secondary{background:#f1f5f9;color:#334155}
.sdl-btn:hover{transform:translateY(-1px)}
.stoc{list-style:none}
.stoc li{padding:8px 0;border-bottom:1px solid #f8fafc}
.stoc li a{font-size:13px;color:#64748b;display:flex;align-items:center;gap:6px;transition:color .2s}
.stoc li a:hover{color:#b45309}
.stoc li a::before{content:"";width:4px;height:4px;border-radius:50%;background:#eab308}
.sstat{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.sstat-item{text-align:center;padding:10px;background:#f8fafc;border-radius:10px}
.sstat-num{font-size:18px;font-weight:800;color:#b45309}
.sstat-lbl{font-size:11px;color:#94a3b8;margin-top:2px}
.side-security{background:rgba(16,185,129,.05);border:1px solid rgba(16,185,129,.12);border-radius:10px;padding:14px;font-size:12px;color:#059669;line-height:1.6;display:flex;align-items:flex-start;gap:8px}

/* ========== Footer ========== */
.site-footer{background:#070b14;padding:40px 0;border-top:1px solid rgba(234,179,8,.1)}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px;text-align:center}
.footer-brand{font-size:16px;font-weight:700;color:#f1f5f9;margin-bottom:12px}
.footer-security{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:#34d399;margin-bottom:10px}
.footer-note{font-size:12px;color:#64748b;line-height:1.6}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-desc{margin:0 auto 32px}
  .hero-actions{justify-content:center}
  .hero-trust{justify-content:center}
  .hero-visual{margin-top:40px}
  .art-layout{grid-template-columns:1fr}
  .sidebar{position:static}
}
@media(max-width:768px){
  .hero{padding:80px 0 60px}
  .hero-title{font-size:34px}
  .sec{padding:56px 0}
  .sec-title{font-size:28px}
  .spot-grid{grid-template-columns:1fr}
  .plat-grid{grid-template-columns:repeat(2,1fr)}
  .rev-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .dive-row,.dive-row.flip{grid-template-columns:1fr}
  .dive-row.flip .dive-content,.dive-row.flip .dive-media{order:unset}
  .guide-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:repeat(2,1fr)}
  .op-grid{grid-template-columns:1fr}
  .dl-specs{grid-template-columns:repeat(2,1fr)}
  .dl-hero-title{font-size:30px}
  .art-hero-title{font-size:28px}
  .cta-banner{padding:48px 24px}
  .cta-title{font-size:26px}
  .hero-globe{width:240px;height:240px}
  .hdr-nav{display:none}
}