/* =========================================
   Slide 16: 市场主流 AI 平台对比
   风格：竞品战情板 + Rune 决策纵列
   ========================================= */

#slide-16 {
    position: absolute;
    overflow: hidden;
    padding: 52px 68px 26px;
    color: var(--color-text-main);
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(circle at 9% 16%, rgba(30, 96, 248, 0.12) 0%, rgba(30, 96, 248, 0) 28%),
        radial-gradient(circle at 88% 14%, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0) 24%),
        radial-gradient(circle at 84% 82%, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0) 24%),
        linear-gradient(180deg, #FFFFFF 0%, #F6F9FF 54%, #EEF4FF 100%);
}

.slide-16-bg-grid,
.slide-16-bg-glow,
.slide-16-bg-sweep {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.slide-16-bg-grid {
    background-image:
        linear-gradient(rgba(30, 96, 248, 0.032) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 96, 248, 0.032) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.98) 30%, rgba(0, 0, 0, 0.4) 76%, transparent 100%);
    animation: slide-16-grid-drift 28s linear infinite;
}

.slide-16-bg-glow {
    background:
        radial-gradient(circle at 72% 22%, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0) 20%),
        radial-gradient(circle at 24% 72%, rgba(96, 165, 250, 0.16) 0%, rgba(96, 165, 250, 0) 30%);
}

.slide-16-bg-sweep::before,
.slide-16-bg-sweep::after {
    content: '';
    position: absolute;
    border-radius: 999px;
}

.slide-16-bg-sweep::before {
    width: 980px;
    height: 280px;
    left: 140px;
    top: 314px;
    background: linear-gradient(90deg, rgba(30, 96, 248, 0), rgba(30, 96, 248, 0.08), rgba(16, 185, 129, 0.04), rgba(30, 96, 248, 0));
    filter: blur(32px);
    transform: rotate(-7deg);
}

.slide-16-bg-sweep::after {
    width: 520px;
    height: 520px;
    right: 132px;
    top: 186px;
    border: 1px dashed rgba(30, 96, 248, 0.12);
    opacity: 0.9;
}

.slide-16-header,
.slide-16-summary-strip,
.slide-16-body,
.slide-16-footer {
    position: relative;
    z-index: 2;
}

.slide-16-header {
    max-width: 1580px;
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(-22px);
    transition: opacity 0.75s ease 0.12s, transform 0.75s ease 0.12s;
}

.slide-16-title {
    position: relative;
    display: inline-block;
    margin-bottom: 10px;
    font-size: 46px;
    font-weight: 800;
    color: #0F172A;
}

.slide-16-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -12px;
    width: 94px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, #1E60F8, #3B82F6, #10B981);
}

.slide-16-subtitle {
    max-width: 1620px;
    font-size: 19px;
    line-height: 1.5;
    color: #475569;
}

.slide-16-summary-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.75s ease 0.26s, transform 0.75s ease 0.26s;
}

.slide-16-summary-item {
    min-height: 38px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(30, 96, 248, 0.1);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.05);
    font-size: 13px;
    font-weight: 800;
    color: #1E3A8A;
}

.slide-16-body {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1.32fr) minmax(360px, 0.68fr);
    gap: 16px;
}

.slide-16-arena,
.slide-16-decision-rail {
    min-height: 0;
}

.slide-16-arena {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 249, 255, 0.96));
    border: 1px solid rgba(30, 96, 248, 0.1);
    box-shadow: 0 24px 52px rgba(15, 23, 42, 0.08);
    padding: 16px;
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 12px;
    opacity: 0;
    transform: translateX(-28px) scale(0.985);
    transition: opacity 0.82s ease 0.4s, transform 0.82s ease 0.4s;
}

.slide-16-arena::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 32px;
    background:
        linear-gradient(180deg, rgba(30, 96, 248, 0.05), rgba(255, 255, 255, 0) 24%),
        radial-gradient(circle at 68% 18%, rgba(30, 96, 248, 0.08), rgba(30, 96, 248, 0) 28%);
    pointer-events: none;
}

.slide-16-arena-head,
.slide-16-compare-grid {
    position: relative;
    z-index: 1;
}

.slide-16-arena-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
}

.slide-16-arena-copy h3 {
    max-width: 860px;
    margin-bottom: 0;
    font-size: 28px;
    line-height: 1.24;
    color: #0F172A;
}

.slide-16-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    margin-bottom: 8px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(30, 96, 248, 0.08);
    color: #1E60F8;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.slide-16-arena-badge {
    min-width: 220px;
    padding: 14px 16px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.92));
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.22);
    display: grid;
    gap: 6px;
}

.slide-16-arena-badge span {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(191, 219, 254, 0.86);
}

.slide-16-arena-badge strong {
    font-size: 22px;
    line-height: 1.2;
    color: #FFFFFF;
}

.slide-16-compare-grid {
    display: grid;
    grid-template-columns: 190px repeat(4, minmax(0, 1fr));
    gap: 8px;
    align-content: start;
}

.slide-16-grid-cell {
    min-height: 74px;
    padding: 12px 13px;
    border-radius: 18px;
    border: 1px solid rgba(30, 96, 248, 0.08);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.05);
}

.slide-16-grid-cell.dimension-head {
    background: linear-gradient(135deg, rgba(226, 232, 240, 0.72), rgba(241, 245, 249, 0.94));
    color: #0F172A;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
}

.slide-16-grid-cell.vendor-head {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: 4px;
    align-content: center;
}

.slide-16-grid-cell.vendor-head::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
}

.vendor-ali::before {
    background: linear-gradient(90deg, #F59E0B, #FBBF24);
}

.vendor-huawei::before {
    background: linear-gradient(90deg, #EF4444, #F97316);
}

.vendor-hf::before {
    background: linear-gradient(90deg, #8B5CF6, #A78BFA);
}

.vendor-rune::before {
    background: linear-gradient(90deg, #1E60F8, #10B981);
}

.vendor-name {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.14;
    color: #0F172A;
}

.vendor-role {
    font-size: 14px;
    font-weight: 700;
    color: #64748B;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.dimension-cell {
    display: grid;
    align-content: center;
    gap: 6px;
    background: linear-gradient(180deg, rgba(241, 245, 249, 0.9), rgba(248, 250, 252, 0.96));
}

.dimension-cell strong {
    font-size: 18px;
    line-height: 1.24;
    color: #0F172A;
}

.dimension-cell span {
    font-size: 16px;
    line-height: 1.38;
    color: #64748B;
}

.compare-cell {
    display: grid;
    align-content: space-between;
    gap: 8px;
}

.compare-cell p {
    font-size: 14px;
    line-height: 1.4;
    color: #475569;
}

.rune-cell {
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.98), rgba(232, 244, 255, 0.98));
    border-color: rgba(30, 96, 248, 0.22);
    box-shadow: 0 18px 34px rgba(30, 96, 248, 0.11);
}

.rune-cell p {
    color: #1E3A8A;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    width: fit-content;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.status-limited {
    background: rgba(241, 245, 249, 0.95);
    color: #475569;
}

.status-supported {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.status-partial {
    background: rgba(245, 158, 11, 0.13);
    color: #B45309;
}

.status-none {
    background: rgba(239, 68, 68, 0.1);
    color: #B91C1C;
}

.status-rune {
    background: linear-gradient(90deg, rgba(30, 96, 248, 0.12), rgba(16, 185, 129, 0.12));
    color: #1E40AF;
}

.slide-16-decision-rail {
    display: block;
    opacity: 0;
    transform: translateX(28px);
    transition: opacity 0.82s ease 0.54s, transform 0.82s ease 0.54s;
}

.slide-16-decision-card {
    position: relative;
    overflow: hidden;
    border-radius: 26px;
    border: 1px solid rgba(30, 96, 248, 0.1);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.07);
}

.hero-card {
    height: 100%;
    padding: 16px 18px 16px;
    display: flex;
    flex-direction: column;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 255, 0.96)),
        rgba(255, 255, 255, 0.95);
}

.hero-card::before {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    top: 0;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, #1E60F8, #10B981);
}

.decision-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 11px;
    border-radius: 999px;
    background: rgba(30, 96, 248, 0.08);
    color: #1E60F8;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-card h3 {
    margin: 12px 0 10px;
    font-size: 25px;
    line-height: 1.24;
    color: #0F172A;
}

.hero-card p {
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.54;
    color: #475569;
}

.slide-16-radar-panel {
    flex: 1;
    min-height: 0;
    margin-top: 2px;
    padding: 6px 4px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    border: 1px solid rgba(30, 96, 248, 0.08);
    background: linear-gradient(180deg, rgba(247, 250, 255, 0.92), rgba(239, 246, 255, 0.86));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.slide-16-radar-stage {
    width: 100%;
    height: 100%;
    min-height: 228px;
}

.slide-16-radar-stage svg {
    width: 100%;
    height: 100%;
    display: block;
}

.radar-grid polygon {
    fill: rgba(255, 255, 255, 0.22);
    stroke: rgba(30, 96, 248, 0.1);
    stroke-width: 1.2;
}

.radar-axis line {
    stroke: rgba(30, 96, 248, 0.12);
    stroke-width: 1.2;
}

.radar-series .radar-area {
    stroke-width: 2.4;
}

.radar-series .radar-dots circle {
    stroke: #FFFFFF;
    stroke-width: 2;
}

.radar-series-ali .radar-area {
    fill: rgba(245, 158, 11, 0.18);
    stroke: rgba(217, 119, 6, 0.9);
}

.radar-series-ali .radar-dots circle {
    fill: #F59E0B;
}

.radar-series-huawei .radar-area {
    fill: rgba(239, 68, 68, 0.13);
    stroke: rgba(220, 38, 38, 0.78);
}

.radar-series-huawei .radar-dots circle {
    fill: #EF4444;
}

.radar-series-hf .radar-area {
    fill: rgba(139, 92, 246, 0.14);
    stroke: rgba(124, 58, 237, 0.76);
}

.radar-series-hf .radar-dots circle {
    fill: #8B5CF6;
}

.radar-series-rune .radar-area {
    fill: rgba(30, 96, 248, 0.18);
    stroke: url(#slide-16-rune-stroke);
    stroke-width: 3;
}

.radar-series-rune .radar-dots circle {
    fill: #1E60F8;
}

.radar-labels text {
    fill: #334155;
    font-size: 11px;
    font-weight: 700;
}

.slide-16-radar-legend {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 10px;
    margin-top: 2px;
}

.legend-item {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding-left: 14px;
    font-size: 10.5px;
    font-weight: 700;
    color: #475569;
}

.legend-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    transform: translateY(-50%);
}

.legend-ali::before {
    background: #F59E0B;
}

.legend-huawei::before {
    background: #EF4444;
}

.legend-hf::before {
    background: #8B5CF6;
}

.legend-rune::before {
    background: linear-gradient(90deg, #1E60F8, #10B981);
}

.slide-16-insight-grid {
    margin-top: auto;
    padding-top: 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.slide-16-embedded-insight {
    position: relative;
    min-height: 0;
    padding: 12px 14px;
    display: grid;
    align-content: center;
    gap: 7px;
    border-radius: 16px;
    border: 1px solid rgba(30, 96, 248, 0.08);
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.05);
}

.slide-16-embedded-insight::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 4px;
    border-radius: 999px;
    background: linear-gradient(180deg, #1E60F8, #10B981);
}

.insight-index {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #1E60F8;
}

.slide-16-embedded-insight h4 {
    margin-bottom: 0;
    font-size: 18px;
    line-height: 1.22;
    color: #0F172A;
}

.slide-16-embedded-insight p {
    font-size: 14px;
    line-height: 1.4;
    color: #475569;
}

.slide-16-footer {
    margin-top: 10px;
    min-height: 54px;
    padding: 0 24px;
    border-radius: 24px;
    background: linear-gradient(135deg, #0F172A, #102B62 56%, #114F74 100%);
    box-shadow: 0 22px 44px rgba(15, 23, 42, 0.18);
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.45;
    color: #F8FAFC;
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.82s ease 0.82s, transform 0.82s ease 0.82s;
}

#slide-16.active .slide-16-header,
#slide-16.active .slide-16-summary-strip,
#slide-16.active .slide-16-footer,
#slide-16.active .slide-16-arena,
#slide-16.active .slide-16-decision-rail {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

@keyframes slide-16-grid-drift {
    from {
        transform: translate3d(0, 0, 0);
    }
    to {
        transform: translate3d(-28px, -20px, 0);
    }
}