.platform-overview {
    background: #f7faf6;
    color: #1e2f23;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    line-height: 1.7;
}

.platform-overview .container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

.platform-overview .section-title {
    color: #0a2e18;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0;
    margin-bottom: 8px;
    text-align: left;
}

.platform-overview .section-title i {
    color: #b8942e;
    margin-right: 10px;
}

.platform-overview .section-sub {
    color: #3d5a46;
    font-size: 16px;
    margin-bottom: 32px;
    border-left: 4px solid #b8942e;
    padding-left: 18px;
}

.platform-overview .grid-3,
.platform-overview .grid-2 {
    display: grid;
    gap: 22px;
}

.platform-overview .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.platform-overview .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.platform-overview .card {
    background: #ffffff;
    border-radius: 8px;
    padding: 24px 22px;
    border: 1px solid #e4ede1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.platform-overview .card:hover {
    border-color: #b8942e;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
    transform: none;
}

.platform-overview a.card,
.platform-overview a.card:hover,
.platform-overview a.card:visited,
.platform-overview a.card:active {
    color: inherit;
    display: block;
    text-decoration: none;
}

.platform-overview a.card:focus-visible {
    border-color: #b8942e;
    outline: 3px solid rgba(184, 148, 46, 0.35);
    outline-offset: 3px;
}

.platform-overview .card .c-icon {
    color: #1a5c2a;
    display: block;
    font-size: 26px;
    margin-bottom: 8px;
}

.platform-overview .card h4 {
    color: #0a2e18;
    font-size: 17px;
    margin-bottom: 4px;
}

.platform-overview .card p {
    color: #3d5a46;
    font-size: 14px;
    line-height: 1.7;
}

.platform-overview .card .badge {
    display: inline-block;
    background: #eaf3e7;
    color: #1a5c2a;
    font-size: 11px;
    padding: 2px 14px;
    border-radius: 30px;
    font-weight: 600;
    margin-top: 8px;
}

.platform-overview .card .highlight {
    background: #fdf7e8;
    border-left: 3px solid #b8942e;
    border-radius: 4px;
    color: #5a4a1a;
    font-size: 13px;
    margin-top: 8px;
    padding: 6px 14px;
}

.platform-overview .platform-hero {
    background: linear-gradient(145deg, #0a2e18 0%, #1a5c2a 100%);
    border-bottom: 5px solid #b8942e;
    color: #fff;
    padding: 50px 0 44px;
}

.platform-overview .tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 6px 0 12px;
}

.platform-overview .tag-strategy {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 30px;
    color: #d4e8d0;
    font-size: 13px;
    padding: 4px 18px;
}

.platform-overview .platform-hero h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 0;
}

.platform-overview .platform-hero h1 small {
    color: #c5dcc0;
    display: block;
    font-size: 20px;
    font-weight: 300;
    letter-spacing: 0;
    margin-top: 4px;
}

.platform-overview .platform-hero .sub {
    color: #c5dcc0;
    font-size: 17px;
    line-height: 1.8;
    margin: 14px 0 18px;
    max-width: none;
    white-space: nowrap;
}

.platform-overview .platform-hero .affil {
    color: #94b88a;
    font-size: 14px;
    margin-top: 10px;
}

.platform-overview .platform-hero .affil i {
    color: #b8942e;
}

.platform-overview .hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 28px 44px;
    margin-top: 14px;
}

.platform-overview .hero-stats .num {
    color: #f5e7b2;
    font-size: 30px;
    font-weight: 800;
}

.platform-overview .hero-stats .lbl {
    color: #bdd6b5;
    font-size: 14px;
    margin-left: 4px;
}

.platform-overview > section {
    border-bottom: 1px solid #e4ede1;
    padding: 48px 0;
}

.platform-overview > section:last-child {
    border-bottom: 0;
}

.platform-overview .bg-light {
    background: #f2f7f0;
}

.platform-overview .original-card {
    background: #fcfcf9;
    border-left: 5px solid #b8942e;
}

.platform-overview .original-card .pub {
    color: #6b8a72;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    margin: 0 0 0.25rem;
}

.platform-overview .original-card .pub + p:not(.pub) {
    margin-top: 0.75rem;
}

.platform-overview .original-card .finding {
    line-height: 1.45;
    margin: 0 0 0.4rem;
}

.platform-overview .original-card .finding:last-of-type {
    margin-bottom: 0.75rem;
}

.platform-overview .original-card .app {
    background: #f0f7ed;
    border-radius: 30px;
    color: #0a2e18;
    display: inline-block;
    font-size: 13px;
    margin-top: 6px;
    padding: 2px 14px;
}

.platform-overview .app-item {
    background: #fff;
    border: 1px solid #e4ede1;
    border-radius: 8px;
    margin-bottom: 14px;
    padding: 18px 22px;
}

.platform-overview .app-item:last-child {
    margin-bottom: 0;
}

.platform-overview .app-item .top {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 16px;
}

.platform-overview .app-item .top h4 {
    color: #0a2e18;
    font-size: 17px;
}

.platform-overview .app-item .top .tag {
    background: #b8942e;
    border-radius: 30px;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 1px 14px;
}

.platform-overview .app-item .detail {
    display: grid;
    grid-template-columns: minmax(90px, 1fr) minmax(0, 1.5fr);
    gap: 4px 20px;
    margin-top: 8px;
    font-size: 14px;
}

.platform-overview .app-item .detail .lbl {
    color: #6b8a72;
    font-weight: 500;
}

.platform-overview .app-item .detail .val {
    color: #1e2f23;
}

@media (max-width: 768px) {
    .platform-overview .platform-hero .sub {
        white-space: normal;
    }

    .platform-overview .platform-hero h1 {
        font-size: 30px;
    }

    .platform-overview .grid-3,
    .platform-overview .grid-2,
    .platform-overview .app-item .detail {
        grid-template-columns: 1fr;
    }

    .platform-overview .app-item .detail {
        gap: 2px;
    }

    .platform-overview .section-title {
        font-size: 24px;
    }

    .platform-overview .hero-stats {
        gap: 12px 24px;
    }

    .platform-overview .hero-stats .num {
        font-size: 24px;
    }
}