/* 企业级首页 — 深色科技风 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

.pro-landing {
    --pro-bg: #030712;
    --pro-surface: #0f172a;
    --pro-surface-2: #1e293b;
    --pro-border: rgba(148, 163, 184, 0.12);
    --pro-text: #f1f5f9;
    --pro-muted: #94a3b8;
    --pro-accent: #22d3ee;
    --pro-accent-2: #06b6d4;
    --pro-purple: #818cf8;
    --pro-green: #34d399;
    font-family: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;
    background: var(--pro-bg);
    color: var(--pro-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.pro-landing a { text-decoration: none; color: inherit; }
.pro-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 背景 */
.pro-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.pro-mesh {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(34,211,238,.18), transparent 50%),
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(129,140,248,.15), transparent 45%),
        radial-gradient(ellipse 50% 30% at 50% 100%, rgba(6,182,212,.08), transparent 50%);
}
.pro-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(148,163,184,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148,163,184,.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 70%);
}
.pro-glow { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .4; }
.pro-glow-a { width: 400px; height: 400px; background: #22d3ee; top: -100px; right: 10%; animation: proFloat 18s ease-in-out infinite; }
.pro-glow-b { width: 350px; height: 350px; background: #818cf8; bottom: 20%; left: -5%; animation: proFloat 22s ease-in-out infinite reverse; }
@keyframes proFloat { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,-15px)} }

/* 导航 */
.pro-nav {
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid var(--pro-border);
    background: rgba(3,7,18,.75);
    backdrop-filter: blur(20px);
}
.pro-nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.pro-logo {
    display: flex; align-items: center; gap: 12px;
    font-weight: 700; font-size: 18px; letter-spacing: -0.02em;
}
.pro-logo-mark {
    width: 36px; height: 36px; border-radius: 10px;
    background: linear-gradient(135deg, var(--pro-accent), var(--pro-purple));
    box-shadow: 0 0 24px rgba(34,211,238,.35);
}
.pro-nav-menu { display: flex; align-items: center; gap: 28px; }
.pro-nav-menu a:not(.pro-btn) { font-size: 14px; font-weight: 500; color: var(--pro-muted); transition: color .2s; }
.pro-nav-menu a:not(.pro-btn):hover { color: var(--pro-text); }

.pro-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 20px; border-radius: 10px;
    font-size: 14px; font-weight: 600; border: none; cursor: pointer;
    transition: transform .2s, box-shadow .2s;
}
.pro-btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 12px; }
.pro-btn-primary {
    background: linear-gradient(135deg, var(--pro-accent), var(--pro-accent-2));
    color: #030712;
    box-shadow: 0 4px 24px rgba(34,211,238,.35);
}
.pro-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(34,211,238,.45); }
.pro-btn-ghost { background: transparent; color: var(--pro-muted); }
.pro-btn-outline {
    background: transparent; color: var(--pro-text);
    border: 1px solid var(--pro-border);
}
.pro-btn-outline:hover { border-color: rgba(34,211,238,.4); color: var(--pro-accent); }

/* Hero */
.pro-hero { position: relative; z-index: 1; padding: 80px 0 100px; }
.pro-hero-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.pro-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-radius: 999px;
    background: rgba(34,211,238,.08); border: 1px solid rgba(34,211,238,.2);
    font-size: 13px; font-weight: 500; color: var(--pro-accent);
    margin-bottom: 24px;
}
.pro-pill-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--pro-green);
    box-shadow: 0 0 8px var(--pro-green);
    animation: proPulse 2s ease-in-out infinite;
}
@keyframes proPulse { 0%,100%{opacity:1} 50%{opacity:.5} }

.pro-hero h1 {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 800; line-height: 1.12; letter-spacing: -0.04em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pro-lead { font-size: 18px; color: var(--pro-muted); line-height: 1.75; margin-bottom: 12px; max-width: 520px; }
.pro-sub { font-size: 15px; color: #64748b; margin-bottom: 32px; }
.pro-hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
.pro-trust { display: flex; gap: 40px; }
.pro-trust strong { display: block; font-size: 28px; font-weight: 800; color: var(--pro-accent); letter-spacing: -0.02em; }
.pro-trust span { font-size: 13px; color: var(--pro-muted); }

/* Dashboard mockup */
.pro-dashboard {
    background: var(--pro-surface);
    border: 1px solid var(--pro-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 32px 64px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.03) inset;
    transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
}
.pro-dash-top {
    display: flex; align-items: center; gap: 8px;
    padding: 14px 18px; background: rgba(0,0,0,.3);
    border-bottom: 1px solid var(--pro-border);
}
.pro-dash-top span { width: 10px; height: 10px; border-radius: 50%; background: #475569; }
.pro-dash-top span:nth-child(1) { background: #ef4444; }
.pro-dash-top span:nth-child(2) { background: #eab308; }
.pro-dash-top span:nth-child(3) { background: #22c55e; }
.pro-dash-top em { margin-left: auto; font-size: 12px; color: var(--pro-muted); font-style: normal; }
.pro-dash-body { display: flex; min-height: 320px; }
.pro-dash-sidebar {
    width: 140px; padding: 16px 12px;
    border-right: 1px solid var(--pro-border);
    background: rgba(0,0,0,.2);
}
.pro-dash-sidebar div {
    padding: 10px 12px; border-radius: 8px;
    font-size: 13px; color: var(--pro-muted); margin-bottom: 4px;
}
.pro-dash-sidebar div.active { background: rgba(34,211,238,.12); color: var(--pro-accent); font-weight: 600; }
.pro-dash-main { flex: 1; padding: 20px; }
.pro-dash-stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 20px; }
.pro-mini-stat {
    padding: 12px; border-radius: 10px;
    background: rgba(255,255,255,.03); border: 1px solid var(--pro-border);
}
.pro-mini-stat label { display: block; font-size: 11px; color: var(--pro-muted); margin-bottom: 4px; }
.pro-mini-stat b { font-size: 18px; color: var(--pro-accent); }
.pro-dash-chart {
    display: flex; align-items: flex-end; gap: 8px;
    height: 100px; margin-bottom: 16px;
}
.pro-dash-chart div {
    flex: 1; border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, var(--pro-accent), rgba(34,211,238,.2));
    animation: proBar 3s ease-in-out infinite alternate;
}
.pro-dash-chart div:nth-child(odd) { animation-delay: .3s; }
@keyframes proBar { from{opacity:.6} to{opacity:1} }
.pro-dash-list { font-size: 12px; color: var(--pro-muted); }
.pro-dash-list div { display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.pro-dash-list .dot { width: 6px; height: 6px; border-radius: 50%; }
.pro-dash-list .dot.green { background: var(--pro-green); }
.pro-dash-list .dot.blue { background: var(--pro-accent); }
.pro-dash-list .dot.amber { background: #fbbf24; }

.pro-notice {
    position: relative; z-index: 1;
    margin: -40px auto 40px; padding: 16px 20px;
    background: rgba(251,191,36,.08); border: 1px solid rgba(251,191,36,.25);
    border-radius: 12px; font-size: 14px; color: #fcd34d;
}

/* Logo strip */
.pro-logos { position: relative; z-index: 1; padding: 40px 0; border-top: 1px solid var(--pro-border); border-bottom: 1px solid var(--pro-border); }
.pro-logos p { text-align: center; font-size: 13px; color: var(--pro-muted); margin-bottom: 20px; text-transform: uppercase; letter-spacing: .1em; }
.pro-logo-strip {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
}
.pro-logo-strip span {
    padding: 10px 20px; border-radius: 999px;
    background: rgba(255,255,255,.04); border: 1px solid var(--pro-border);
    font-size: 14px; font-weight: 500; color: #cbd5e1;
    transition: border-color .2s, background .2s;
}
.pro-logo-strip span:hover { border-color: rgba(34,211,238,.3); background: rgba(34,211,238,.06); }

/* Sections */
.pro-section { position: relative; z-index: 1; padding: 100px 0; }
.pro-section-dark { background: rgba(15,23,42,.6); border-top: 1px solid var(--pro-border); border-bottom: 1px solid var(--pro-border); }
.pro-section-head { text-align: center; margin-bottom: 56px; }
.pro-section-head h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 12px; }
.pro-section-head p { font-size: 16px; color: var(--pro-muted); }
.pro-section-head-light h2, .pro-section-head-light p { color: inherit; }
.pro-tag {
    display: inline-block; margin-bottom: 12px;
    font-size: 11px; font-weight: 700; letter-spacing: .15em;
    color: var(--pro-accent);
}

/* Bento */
.pro-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.pro-bento-item {
    padding: 32px 28px;
    background: rgba(255,255,255,.02);
    border: 1px solid var(--pro-border);
    border-radius: 16px;
    transition: border-color .25s, transform .25s, box-shadow .25s;
}
.pro-bento-item:hover {
    border-color: rgba(34,211,238,.25);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,.3);
}
.pro-bento-lg { grid-column: span 2; }
.pro-bento-wide { grid-column: span 3; }
.pro-bento-icon { font-size: 28px; margin-bottom: 16px; }
.pro-bento-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.pro-bento-item p { font-size: 14px; color: var(--pro-muted); line-height: 1.75; }

/* Spider filter — compact 6-grid */
.pro-section-filter {
    background: linear-gradient(180deg, rgba(15,23,42,.85) 0%, rgba(3,7,18,.95) 100%);
    border-top: 1px solid var(--pro-border);
    border-bottom: 1px solid var(--pro-border);
    padding: 56px 0 64px;
}
.pro-section-head-compact { margin-bottom: 32px; }
.pro-section-head-compact h2 { margin-bottom: 8px; }
.pro-section-head-compact p { max-width: 560px; margin: 0 auto; font-size: 15px; }
.pro-filter-grid-6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.pro-filter-cell {
    padding: 20px 18px;
    border-radius: 14px;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--pro-border);
    transition: border-color .2s, background .2s;
}
.pro-filter-cell:hover {
    border-color: rgba(34,211,238,.25);
    background: rgba(34,211,238,.04);
}
.pro-filter-cell-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 800;
    color: #030712;
    background: linear-gradient(135deg, var(--pro-accent), var(--pro-purple));
    margin-bottom: 12px;
}
.pro-filter-cell h4 {
    font-size: 15px;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 6px;
}
.pro-filter-cell p {
    font-size: 13px;
    color: var(--pro-muted);
    line-height: 1.55;
    margin: 0;
}
.pro-filter-cell-modes .pro-filter-mode-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}
.pro-filter-mode {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    color: #cbd5e1;
    background: rgba(15,23,42,.6);
    border: 1px solid var(--pro-border);
}
.pro-filter-mode.is-active {
    color: #030712;
    background: linear-gradient(135deg, var(--pro-accent), var(--pro-accent-2));
    border-color: transparent;
}

/* Pricing (legacy, unused on homepage) */
.pro-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}
.pro-price-card {
    padding: 24px 20px; text-align: center;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--pro-border);
    border-radius: 14px;
    transition: border-color .2s, background .2s;
}
.pro-price-card:hover { border-color: rgba(34,211,238,.3); background: rgba(34,211,238,.04); }
.pro-price-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 12px; color: #e2e8f0; }
.pro-price-val { font-size: 14px; color: var(--pro-muted); }
.pro-price-val span { display: block; font-size: 26px; font-weight: 800; color: var(--pro-accent); margin-bottom: 4px; }
.pro-price-yuan { font-size: 12px; color: #64748b; margin-top: 6px; }

/* Steps */
.pro-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.pro-step {
    padding: 32px 24px; text-align: center;
    background: rgba(255,255,255,.02); border: 1px solid var(--pro-border);
    border-radius: 16px;
}
.pro-step span {
    display: inline-flex; width: 48px; height: 48px;
    align-items: center; justify-content: center;
    border-radius: 12px; font-size: 16px; font-weight: 800;
    background: linear-gradient(135deg, var(--pro-accent), var(--pro-purple));
    color: #030712; margin-bottom: 16px;
}
.pro-step h3 { font-size: 17px; margin-bottom: 8px; }
.pro-step p { font-size: 14px; color: var(--pro-muted); }

/* CTA */
.pro-cta { position: relative; z-index: 1; padding: 0 0 100px; }
.pro-cta-box {
    text-align: center; padding: 64px 40px;
    background: linear-gradient(135deg, rgba(34,211,238,.12), rgba(129,140,248,.08));
    border: 1px solid rgba(34,211,238,.2);
    border-radius: 24px;
    box-shadow: 0 24px 48px rgba(0,0,0,.3);
}
.pro-cta-box h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
.pro-cta-box p { color: var(--pro-muted); margin-bottom: 28px; font-size: 16px; }

/* Footer */
.pro-footer {
    position: relative; z-index: 1;
    padding: 40px 0; border-top: 1px solid var(--pro-border);
}
.pro-footer-inner { text-align: center; }
.pro-footer-inner .pro-logo { justify-content: center; margin-bottom: 12px; }
.pro-footer p { font-size: 13px; color: #64748b; }

/* Responsive */
@media (max-width: 960px) {
    .pro-hero-grid { grid-template-columns: 1fr; text-align: center; }
    .pro-lead, .pro-sub { margin-left: auto; margin-right: auto; }
    .pro-hero-cta, .pro-trust { justify-content: center; }
    .pro-trust { flex-wrap: wrap; gap: 24px; }
    .pro-dashboard { transform: none; max-width: 480px; margin: 0 auto; }
    .pro-bento { grid-template-columns: 1fr; }
    .pro-bento-lg, .pro-bento-wide { grid-column: span 1; }
    .pro-filter-grid-6 { grid-template-columns: repeat(2, 1fr); }
    .pro-steps { grid-template-columns: 1fr; }
    .pro-nav-menu a:not(.pro-btn-primary):not(.pro-btn-ghost) { display: none; }
}
@media (max-width: 640px) {
    .pro-hero { padding: 48px 0 64px; }
    .pro-nav-menu .pro-btn-ghost { display: none; }
    .pro-section-filter { padding: 48px 0 52px; }
    .pro-filter-grid-6 { grid-template-columns: 1fr; }
}