/* =====================================================
   Steel & Sky — Google Chrome Landing Site
   Primary: #1d4ed8  Accent: #f59e0b  Dark: #0f172a
   ===================================================== */

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.04); } }
@keyframes tickerScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: #fff; color: #1e293b; line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }

/* ── Layout ── */
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.sec { padding: 80px 0; }
.sec-white { background: #fff; }
.sec-light { background: #f8fafc; }
.sec-navy { background: #0f172a; }
.sec-navy2 { background: #1e293b; }
.sec-blue { background: #1d4ed8; }
.sec-amber { background: #fef3c7; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 8px; font-size: 15px; font-weight: 600; transition: all .2s; cursor: pointer; }
.btn-lg { padding: 15px 32px; font-size: 16px; border-radius: 10px; }
.btn-sm { padding: 8px 18px; font-size: 13px; border-radius: 6px; }
.btn-primary { background: #1d4ed8; color: #fff; }
.btn-primary:hover { background: #1e40af; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(29,78,216,.35); }
.btn-amber { background: #f59e0b; color: #fff; }
.btn-amber:hover { background: #d97706; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245,158,11,.35); }
.btn-outline { background: transparent; color: #1d4ed8; border: 2px solid #1d4ed8; }
.btn-outline:hover { background: #eff6ff; }
.btn-outline-w { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.5); }
.btn-outline-w:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-white { background: #fff; color: #1d4ed8; }
.btn-white:hover { background: #f0f6ff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #64748b; }
.btn-ghost:hover { background: #f1f5f9; }

/* ── Navigation ── */
.g1-nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(16px); border-bottom: 1px solid #e2e8f0; }
.g1-nav-inner { display: flex; align-items: center; gap: 8px; max-width: 1160px; margin: 0 auto; padding: 0 24px; height: 64px; }
.g1-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: #0f172a; margin-right: auto; }
.g1-logo-icon { width: 32px; height: 32px; flex-shrink: 0; }
.g1-logo-sub { font-size: 11px; font-weight: 500; color: #64748b; border-left: 1px solid #cbd5e1; padding-left: 10px; margin-left: 2px; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 7px 16px; border-radius: 6px; font-size: 14px; font-weight: 500; color: #475569; transition: all .18s; }
.nav-link:hover { background: #f1f5f9; color: #0f172a; }
.nav-link.active { background: #eff6ff; color: #1d4ed8; font-weight: 600; }
.nav-cta { margin-left: 8px; }
.nav-tog { display: none; background: none; border: none; padding: 6px; cursor: pointer; color: #475569; }
.nav-tog svg { display: block; }

/* ── Hero ── */
.g1-hero { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1d4ed8 100%); min-height: 90vh; display: flex; align-items: center; padding: 80px 0 60px; overflow: hidden; position: relative; }
.g1-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 70% 50%, rgba(29,78,216,.25) 0%, transparent 70%); }
.g1-hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
.g1-hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(245,158,11,.15); border: 1px solid rgba(245,158,11,.3); color: #fbbf24; padding: 6px 16px; border-radius: 100px; font-size: 13px; font-weight: 600; margin-bottom: 24px; }
.g1-hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: #f59e0b; animation: pulse 2s infinite; }
.g1-hero-h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 900; color: #fff; line-height: 1.1; letter-spacing: -1px; margin-bottom: 20px; }
.g1-hero-h1 .hl { color: #60a5fa; }
.g1-hero-h1 .hl2 { color: #fbbf24; }
.g1-hero-p { font-size: 17px; color: rgba(255,255,255,.75); line-height: 1.7; margin-bottom: 36px; }
.g1-hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.g1-hero-trust { display: flex; gap: 24px; flex-wrap: wrap; }
.g1-hero-trust-item { display: flex; align-items: center; gap: 7px; font-size: 13px; color: rgba(255,255,255,.65); }
.g1-hero-trust-item svg { color: #34d399; flex-shrink: 0; }

/* ── Hero Browser Visual ── */
.g1-hero-visual { position: relative; }
.g1-browser { background: #1e293b; border-radius: 12px; box-shadow: 0 40px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.08); overflow: hidden; }
.g1-browser-bar { background: #334155; height: 42px; display: flex; align-items: center; gap: 8px; padding: 0 16px; }
.g1-browser-dots { display: flex; gap: 6px; }
.g1-browser-dot { width: 11px; height: 11px; border-radius: 50%; }
.g1-browser-dot.r { background: #ef4444; }
.g1-browser-dot.y { background: #f59e0b; }
.g1-browser-dot.g { background: #22c55e; }
.g1-browser-url { flex: 1; background: #1e293b; border-radius: 6px; height: 26px; display: flex; align-items: center; padding: 0 12px; font-size: 12px; color: #94a3b8; margin: 0 12px; gap: 6px; }
.g1-browser-body { padding: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; background: #0f172a; min-height: 260px; }
.g1-browser-card { background: #1e293b; border-radius: 8px; padding: 16px; border: 1px solid rgba(255,255,255,.06); }
.g1-browser-card-label { font-size: 11px; color: #64748b; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }
.g1-browser-card-val { font-size: 22px; font-weight: 800; color: #fff; }
.g1-browser-card-val.c-blue { color: #60a5fa; }
.g1-browser-card-val.c-amber { color: #fbbf24; }
.g1-browser-card-val.c-green { color: #34d399; }
.g1-browser-card-val.c-rose { color: #fb7185; }
.g1-browser-card-sub { font-size: 12px; color: #475569; margin-top: 4px; }

/* ── Stats Ticker ── */
.g1-ticker-wrap { background: #1d4ed8; padding: 14px 0; overflow: hidden; }
.g1-ticker { display: flex; gap: 0; white-space: nowrap; }
.g1-ticker-track { display: flex; animation: tickerScroll 30s linear infinite; gap: 0; }
.g1-ticker-item { display: inline-flex; align-items: center; gap: 10px; padding: 0 40px; font-size: 14px; font-weight: 600; color: rgba(255,255,255,.9); }
.g1-ticker-item strong { color: #fff; }
.g1-ticker-sep { color: rgba(255,255,255,.3); }

/* ── Section Headers ── */
.sec-hd { text-align: center; margin-bottom: 56px; }
.sec-hd.left { text-align: left; }
.sec-tag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 14px; border-radius: 100px; font-size: 12px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 16px; }
.sec-tag-blue { background: #eff6ff; color: #1d4ed8; }
.sec-tag-amber { background: #fef3c7; color: #92400e; }
.sec-tag-white { background: rgba(255,255,255,.12); color: #fff; }
.sec-tag-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.sec-title { font-size: clamp(26px, 4vw, 40px); font-weight: 800; color: #0f172a; line-height: 1.15; letter-spacing: -.5px; margin-bottom: 14px; }
.sec-title-light { color: #fff; }
.sec-sub { font-size: 17px; color: #64748b; max-width: 620px; margin: 0 auto; }
.sec-sub-light { color: rgba(255,255,255,.7); }
.hl { color: #1d4ed8; }
.hl2 { color: #f59e0b; }

/* ── Feature Grid ── */
.g1-feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.g1-feat-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 14px; padding: 28px; transition: all .22s; cursor: default; position: relative; overflow: hidden; }
.g1-feat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; border-radius: 14px 14px 0 0; transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.g1-feat-card:hover { border-color: transparent; box-shadow: 0 12px 36px rgba(0,0,0,.1); transform: translateY(-3px); }
.g1-feat-card:hover::before { transform: scaleX(1); }
.g1-feat-card.fc-blue::before { background: #1d4ed8; }
.g1-feat-card.fc-amber::before { background: #f59e0b; }
.g1-feat-card.fc-green::before { background: #10b981; }
.g1-feat-card.fc-red::before { background: #ef4444; }
.g1-feat-card.fc-violet::before { background: #8b5cf6; }
.g1-feat-card.fc-sky::before { background: #0ea5e9; }
.g1-feat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.fi-blue { background: #eff6ff; color: #1d4ed8; }
.fi-amber { background: #fffbeb; color: #d97706; }
.fi-green { background: #ecfdf5; color: #059669; }
.fi-red { background: #fef2f2; color: #dc2626; }
.fi-violet { background: #f5f3ff; color: #7c3aed; }
.fi-sky { background: #f0f9ff; color: #0284c7; }
.g1-feat-name { font-size: 17px; font-weight: 700; color: #0f172a; margin-bottom: 8px; }
.g1-feat-desc { font-size: 14px; color: #64748b; line-height: 1.65; }

/* ── Showcase Rows ── */
.g1-show-row { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding: 60px 0; border-bottom: 1px solid #f1f5f9; }
.g1-show-row:last-child { border-bottom: none; }
.g1-show-row.rev .g1-show-visual { order: -1; }
.g1-show-badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 6px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 16px; }
.sb-blue { background: #eff6ff; color: #1d4ed8; }
.sb-green { background: #ecfdf5; color: #059669; }
.sb-amber { background: #fffbeb; color: #b45309; }
.sb-violet { background: #f5f3ff; color: #6d28d9; }
.g1-show-title { font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: #0f172a; margin-bottom: 14px; line-height: 1.2; }
.g1-show-desc { font-size: 15px; color: #475569; line-height: 1.7; margin-bottom: 24px; }
.g1-show-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.g1-show-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: #334155; }
.g1-show-list li::before { content: ''; width: 18px; height: 18px; border-radius: 50%; background: #eff6ff; flex-shrink: 0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231d4ed8'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E"); background-size: 12px; background-repeat: no-repeat; background-position: center; margin-top: 2px; }
.g1-show-visual { background: #f8fafc; border-radius: 16px; padding: 24px; border: 1px solid #e2e8f0; }

/* ── Data Panel Visual ── */
.dv-panel { background: #fff; border-radius: 12px; padding: 20px; box-shadow: 0 4px 24px rgba(0,0,0,.08); }
.dv-panel-title { font-size: 13px; font-weight: 700; color: #64748b; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 16px; }
.dv-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.dv-bar-label { font-size: 13px; color: #475569; width: 70px; flex-shrink: 0; }
.dv-bar-track { flex: 1; height: 8px; background: #f1f5f9; border-radius: 4px; overflow: hidden; }
.dv-bar-fill { height: 100%; border-radius: 4px; }
.dvbf-blue { background: #1d4ed8; }
.dvbf-amber { background: #f59e0b; }
.dvbf-green { background: #10b981; }
.dvbf-red { background: #ef4444; }
.dv-bar-val { font-size: 12px; font-weight: 700; color: #0f172a; width: 36px; text-align: right; }
.dv-stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.dv-stat { background: #f8fafc; border-radius: 8px; padding: 12px; }
.dv-stat-num { font-size: 20px; font-weight: 800; }
.dsn-blue { color: #1d4ed8; }
.dsn-green { color: #059669; }
.dsn-amber { color: #d97706; }
.dv-stat-lbl { font-size: 11px; color: #64748b; margin-top: 2px; }

/* ── Platforms ── */
.g1-plat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.g1-plat-card { background: #fff; border: 2px solid #e2e8f0; border-radius: 14px; padding: 28px 20px; text-align: center; transition: all .22s; }
.g1-plat-card.featured { border-color: #1d4ed8; background: #eff6ff; }
.g1-plat-card:hover { border-color: #1d4ed8; box-shadow: 0 8px 28px rgba(29,78,216,.15); transform: translateY(-2px); }
.g1-plat-badge { display: inline-block; background: #1d4ed8; color: #fff; font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 4px; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .5px; }
.g1-plat-icon { width: 48px; height: 48px; margin: 0 auto 14px; }
.g1-plat-name { font-size: 16px; font-weight: 700; color: #0f172a; margin-bottom: 4px; }
.g1-plat-ver { font-size: 12px; color: #64748b; margin-bottom: 8px; }
.g1-plat-desc { font-size: 13px; color: #64748b; margin-bottom: 18px; line-height: 1.5; }

/* ── Stats Band ── */
.g1-stats-band { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%); padding: 60px 0; }
.g1-stats-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.g1-stat-item { text-align: center; padding: 20px 16px; border-right: 1px solid rgba(255,255,255,.1); }
.g1-stat-item:last-child { border-right: none; }
.g1-stat-num { font-size: clamp(28px, 4vw, 44px); font-weight: 900; letter-spacing: -1px; }
.sn-blue { color: #60a5fa; }
.sn-amber { color: #fbbf24; }
.sn-green { color: #34d399; }
.sn-rose { color: #fb7185; }
.sn-sky { color: #38bdf8; }
.g1-stat-lbl { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px; }

/* ── Reviews ── */
.g1-rev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.g1-rev-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 14px; padding: 24px; }
.g1-rev-stars { display: flex; gap: 3px; margin-bottom: 12px; color: #f59e0b; }
.g1-rev-text { font-size: 14px; color: #475569; line-height: 1.7; margin-bottom: 18px; font-style: italic; }
.g1-rev-footer { display: flex; align-items: center; gap: 12px; }
.g1-rev-avatar { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: #fff; flex-shrink: 0; }
.av-blue { background: #1d4ed8; }
.av-amber { background: #d97706; }
.av-green { background: #059669; }
.av-red { background: #dc2626; }
.av-violet { background: #7c3aed; }
.av-sky { background: #0284c7; }
.g1-rev-name { font-size: 14px; font-weight: 700; color: #0f172a; }
.g1-rev-role { font-size: 12px; color: #94a3b8; }

/* ── Comparison ── */
.g1-cmp-wrap { overflow-x: auto; }
.g1-cmp-table { width: 100%; border-collapse: collapse; }
.g1-cmp-table th { padding: 16px 20px; background: #0f172a; color: #fff; font-size: 14px; font-weight: 700; text-align: left; }
.g1-cmp-table th:first-child { border-radius: 10px 0 0 0; }
.g1-cmp-table th:last-child { border-radius: 0 10px 0 0; }
.g1-cmp-table .cmp-hl { background: #1d4ed8; }
.g1-cmp-table td { padding: 14px 20px; border-bottom: 1px solid #f1f5f9; font-size: 14px; color: #475569; }
.g1-cmp-table tr:hover td { background: #f8fafc; }
.g1-cmp-table .yes { color: #059669; font-weight: 700; }
.g1-cmp-table .no { color: #dc2626; font-weight: 700; }
.g1-cmp-table .part { color: #d97706; font-weight: 700; }
.g1-cmp-table td:nth-child(2) { color: #1d4ed8; font-weight: 600; }

/* ── FAQ ── */
.g1-faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.g1-faq-item { border: 1px solid #e2e8f0; border-radius: 10px; overflow: hidden; transition: box-shadow .2s; }
.g1-faq-item.open { box-shadow: 0 4px 20px rgba(29,78,216,.12); border-color: #bfdbfe; }
.g1-faq-q { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; cursor: pointer; background: #fff; font-size: 15px; font-weight: 600; color: #0f172a; transition: background .15s; }
.g1-faq-q:hover { background: #f8fafc; }
.g1-faq-item.open .g1-faq-q { background: #eff6ff; color: #1d4ed8; }
.g1-faq-chevron { flex-shrink: 0; color: #94a3b8; transition: transform .25s; }
.g1-faq-item.open .g1-faq-chevron { transform: rotate(180deg); color: #1d4ed8; }
.g1-faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.g1-faq-item.open .g1-faq-a { max-height: 300px; }
.g1-faq-a-inner { padding: 4px 22px 20px; font-size: 14px; color: #475569; line-height: 1.75; }

/* ── CTA Banner ── */
.g1-cta { background: linear-gradient(135deg, #1d4ed8 0%, #0f172a 100%); padding: 80px 0; text-align: center; }
.g1-cta-title { font-size: clamp(24px, 4vw, 40px); font-weight: 900; color: #fff; margin-bottom: 14px; letter-spacing: -.5px; }
.g1-cta-desc { font-size: 16px; color: rgba(255,255,255,.75); margin-bottom: 36px; }
.g1-cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ── Footer ── */
.g1-footer { background: #0f172a; padding: 32px 0; }
.g1-footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.g1-footer-brand { font-size: 15px; font-weight: 700; color: #fff; }
.g1-footer-security { font-size: 13px; color: #4ade80; }
.g1-footer-note { font-size: 12px; color: #475569; max-width: 640px; line-height: 1.6; }

/* ── Download Page ── */
.g1-dl-hero { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%); padding: 80px 0 70px; text-align: center; }
.g1-dl-hero-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(29,78,216,.25); border: 1px solid rgba(29,78,216,.4); color: #93c5fd; padding: 5px 14px; border-radius: 100px; font-size: 12px; font-weight: 600; margin-bottom: 20px; }
.g1-dl-hero-title { font-size: clamp(28px, 5vw, 48px); font-weight: 900; color: #fff; margin-bottom: 14px; letter-spacing: -.5px; }
.g1-dl-hero-sub { font-size: 16px; color: rgba(255,255,255,.7); }
.g1-dl-main { padding: 60px 0; background: #f8fafc; }
.g1-dl-win-card { background: #fff; border: 2px solid #1d4ed8; border-radius: 16px; padding: 36px; max-width: 680px; margin: 0 auto 50px; box-shadow: 0 20px 60px rgba(29,78,216,.15); }
.g1-dl-win-head { display: flex; align-items: center; gap: 18px; margin-bottom: 24px; }
.g1-dl-win-icon { width: 60px; height: 60px; flex-shrink: 0; }
.g1-dl-win-name { font-size: 22px; font-weight: 800; color: #0f172a; }
.g1-dl-win-meta { font-size: 13px; color: #64748b; margin-top: 4px; }
.g1-dl-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.g1-dl-spec { background: #f8fafc; border-radius: 8px; padding: 12px; }
.g1-dl-spec-label { font-size: 11px; color: #94a3b8; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
.g1-dl-spec-val { font-size: 14px; font-weight: 700; color: #0f172a; }
.g1-dl-sec-badge { display: flex; align-items: center; gap: 8px; background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 8px; padding: 10px 14px; margin-bottom: 20px; font-size: 13px; color: #065f46; font-weight: 600; }
.g1-dl-win-btns { display: flex; gap: 12px; }
.g1-op-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 900px; margin: 0 auto; }
.g1-op-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 14px; padding: 28px 20px; text-align: center; }
.g1-op-icon { width: 48px; height: 48px; margin: 0 auto 14px; }
.g1-op-name { font-size: 17px; font-weight: 700; color: #0f172a; margin-bottom: 4px; }
.g1-op-ver { font-size: 12px; color: #94a3b8; margin-bottom: 16px; }
.g1-op-steps { list-style: none; text-align: left; display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.g1-op-step { display: flex; gap: 10px; font-size: 13px; color: #475569; }
.g1-op-step-n { width: 20px; height: 20px; border-radius: 50%; background: #eff6ff; color: #1d4ed8; font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }

/* ── Guide ── */
.g1-guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.g1-guide-col-title { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; color: #0f172a; margin-bottom: 24px; }
.g1-guide-col-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.gcd-blue { background: #1d4ed8; }
.gcd-green { background: #10b981; }
.g1-guide-steps { display: flex; flex-direction: column; gap: 0; }
.g1-gstep { display: flex; gap: 16px; padding-bottom: 24px; position: relative; }
.g1-gstep:last-child { padding-bottom: 0; }
.g1-gstep-num-col { display: flex; flex-direction: column; align-items: center; }
.g1-gstep-num { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; color: #fff; flex-shrink: 0; }
.gsn-blue { background: #1d4ed8; }
.gsn-green { background: #10b981; }
.g1-gstep-line { width: 2px; flex: 1; background: #e2e8f0; margin-top: 6px; }
.g1-gstep:last-child .g1-gstep-line { display: none; }
.g1-gstep-body { padding-top: 6px; }
.g1-gstep-title { font-size: 14px; font-weight: 700; color: #0f172a; margin-bottom: 4px; }
.g1-gstep-desc { font-size: 13px; color: #64748b; line-height: 1.6; }

/* ── Requirements ── */
.g1-req-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.g1-req-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; }
.g1-req-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.ri-blue { background: #eff6ff; color: #1d4ed8; }
.ri-amber { background: #fffbeb; color: #d97706; }
.ri-green { background: #ecfdf5; color: #059669; }
.ri-red { background: #fef2f2; color: #dc2626; }
.g1-req-title { font-size: 15px; font-weight: 700; color: #0f172a; margin-bottom: 10px; }
.g1-req-val { font-size: 13px; color: #64748b; line-height: 1.6; }

/* ── Version Log ── */
.g1-ver-list { display: flex; flex-direction: column; gap: 0; max-width: 700px; }
.g1-ver-item { display: flex; gap: 20px; padding-bottom: 28px; position: relative; }
.g1-ver-item:last-child { padding-bottom: 0; }
.g1-ver-dot-col { display: flex; flex-direction: column; align-items: center; }
.g1-ver-dot { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.vd-blue { background: #1d4ed8; }
.vd-green { background: #10b981; }
.vd-amber { background: #f59e0b; }
.vd-red { background: #ef4444; }
.vd-violet { background: #8b5cf6; }
.g1-ver-line { width: 2px; flex: 1; background: #f1f5f9; margin-top: 4px; }
.g1-ver-item:last-child .g1-ver-line { display: none; }
.g1-ver-body { flex: 1; padding-top: 0; }
.g1-ver-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.g1-ver-num { font-size: 15px; font-weight: 700; color: #0f172a; }
.g1-ver-tag { font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.vt-stable { background: #ecfdf5; color: #065f46; }
.vt-lts { background: #eff6ff; color: #1e40af; }
.vt-beta { background: #fffbeb; color: #92400e; }
.g1-ver-date { font-size: 12px; color: #94a3b8; }
.g1-ver-desc { font-size: 13px; color: #64748b; line-height: 1.6; }

/* ── Security Banner ── */
.g1-sec-banner { background: linear-gradient(135deg, #ecfdf5, #d1fae5); border: 1px solid #a7f3d0; border-radius: 14px; padding: 28px 32px; display: flex; align-items: center; gap: 20px; }
.g1-sec-banner-icon { width: 48px; height: 48px; flex-shrink: 0; color: #059669; }
.g1-sec-banner-title { font-size: 16px; font-weight: 700; color: #065f46; margin-bottom: 4px; }
.g1-sec-banner-desc { font-size: 14px; color: #047857; line-height: 1.6; }

/* ── Article (zh-cn) ── */
.g1-art-hero { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%); padding: 70px 0; }
.g1-art-hero-inner { max-width: 860px; }
.g1-art-crumb { font-size: 13px; color: rgba(255,255,255,.5); margin-bottom: 16px; }
.g1-art-crumb a { color: rgba(255,255,255,.5); }
.g1-art-crumb span { color: rgba(255,255,255,.3); margin: 0 6px; }
.g1-art-hero-title { font-size: clamp(24px, 4vw, 40px); font-weight: 900; color: #fff; margin-bottom: 14px; letter-spacing: -.5px; }
.g1-art-hero-sub { font-size: 15px; color: rgba(255,255,255,.7); line-height: 1.7; }
.g1-kw-strip { padding: 16px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.g1-kw { display: inline-block; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.7); padding: 5px 12px; border-radius: 100px; font-size: 12px; }
.g1-art-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.g1-art-body { min-width: 0; }
.g1-art-section { margin-bottom: 48px; }
.g1-art-section h2 { font-size: 22px; font-weight: 800; color: #0f172a; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid #e2e8f0; }
.g1-art-section p { font-size: 15px; color: #475569; line-height: 1.8; margin-bottom: 14px; }
.g1-art-section ul { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.g1-art-section ul li { font-size: 15px; color: #475569; padding-left: 22px; position: relative; line-height: 1.7; }
.g1-art-section ul li::before { content: '▸'; position: absolute; left: 0; color: #1d4ed8; font-size: 12px; top: 3px; }
.g1-art-section strong { color: #0f172a; font-weight: 700; }
.g1-inline-cta { background: linear-gradient(135deg, #eff6ff, #dbeafe); border: 1px solid #bfdbfe; border-radius: 12px; padding: 24px; margin: 32px 0; }
.g1-inline-cta-title { font-size: 16px; font-weight: 700; color: #1e40af; margin-bottom: 6px; }
.g1-inline-cta-desc { font-size: 14px; color: #3b82f6; margin-bottom: 16px; }
.g1-tips-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.g1-tip-card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px; padding: 16px; }
.g1-tip-num { font-size: 20px; font-weight: 900; color: #1d4ed8; opacity: .3; margin-bottom: 6px; }
.g1-tip-title { font-size: 14px; font-weight: 700; color: #0f172a; margin-bottom: 4px; }
.g1-tip-desc { font-size: 13px; color: #64748b; line-height: 1.6; }
.g1-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 80px; }
.g1-sbox { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 20px; }
.g1-sbox-title { font-size: 13px; font-weight: 700; color: #0f172a; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid #f1f5f9; }
.g1-sdl-btn { display: flex; align-items: center; gap: 12px; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; cursor: pointer; width: 100%; text-align: left; font-family: inherit; }
.g1-sdl-btn:hover { border-color: #1d4ed8; background: #eff6ff; }
.g1-sdl-btn.primary { background: #1d4ed8; border-color: #1d4ed8; }
.g1-sdl-btn.primary .g1-sdl-btn-name, .g1-sdl-btn.primary .g1-sdl-btn-ver { color: #fff; }
.g1-sdl-btn-icon { width: 28px; height: 28px; flex-shrink: 0; }
.g1-sdl-btn-name { font-size: 13px; font-weight: 600; color: #0f172a; }
.g1-sdl-btn-ver { font-size: 11px; color: #94a3b8; }
.g1-stoc a { display: block; font-size: 13px; color: #64748b; padding: 5px 0; border-bottom: 1px solid #f1f5f9; transition: color .15s; }
.g1-stoc a:hover { color: #1d4ed8; }
.g1-sstat { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.g1-sstat-item { background: #f8fafc; border-radius: 8px; padding: 10px; text-align: center; }
.g1-sstat-num { font-size: 16px; font-weight: 800; color: #1d4ed8; }
.g1-sstat-lbl { font-size: 11px; color: #94a3b8; margin-top: 2px; }
.g1-side-security { background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 10px; padding: 14px; font-size: 13px; color: #065f46; line-height: 1.6; }
.g1-art-cta-block { background: #0f172a; border-radius: 14px; padding: 36px; text-align: center; margin-top: 40px; }
.g1-art-cta-block h3 { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.g1-art-cta-block p { font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 20px; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .g1-hero-inner { grid-template-columns: 1fr; }
  .g1-hero-visual { display: none; }
  .g1-feat-grid { grid-template-columns: 1fr 1fr; }
  .g1-show-row { grid-template-columns: 1fr; gap: 32px; }
  .g1-show-row.rev .g1-show-visual { order: 0; }
  .g1-plat-grid { grid-template-columns: 1fr 1fr; }
  .g1-stats-row { grid-template-columns: repeat(3, 1fr); }
  .g1-rev-grid { grid-template-columns: 1fr 1fr; }
  .g1-req-grid { grid-template-columns: 1fr 1fr; }
  .g1-op-grid { grid-template-columns: 1fr; }
  .g1-guide-grid { grid-template-columns: 1fr; }
  .g1-dl-specs { grid-template-columns: 1fr 1fr; }
  .g1-art-layout { grid-template-columns: 1fr; }
  .g1-sidebar { position: static; }
}
@media (max-width: 600px) {
  .sec { padding: 52px 0; }
  .g1-feat-grid { grid-template-columns: 1fr; }
  .g1-plat-grid { grid-template-columns: 1fr; }
  .g1-stats-row { grid-template-columns: 1fr 1fr; }
  .g1-rev-grid { grid-template-columns: 1fr; }
  .g1-req-grid { grid-template-columns: 1fr 1fr; }
  .nav-menu { display: none; }
  .nav-menu.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-top: 1px solid #e2e8f0; padding: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.1); }
  .nav-tog { display: block; }
  .g1-hero-btns { flex-direction: column; }
  .g1-dl-win-btns { flex-direction: column; }
  .g1-stats-row { grid-template-columns: 1fr 1fr; }
  .g1-dl-specs { grid-template-columns: 1fr; }
  .g1-tips-grid { grid-template-columns: 1fr; }
}