:root {
            --troyka-accent: #B22222;
            --troyka-dark-soft: #3d3d3d;
            --troyka-text: #333333;
            --troyka-light-gray: #F4F1EF;
            --troyka-border: #e5e5e5;
            --font-main: 'Montserrat', sans-serif;
            --font-sec: 'Open Sans', sans-serif;
        }

        .premium-container {
            font-family: var(--font-main);
            color: var(--troyka-text);
            max-width: 1140px;
            margin: 0 auto;
            padding: 60px 20px;
            background-color: #ffffff;
        }

        .premium-h2 {
            font-size: 32px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--troyka-dark-soft);
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .premium-h2::after {
            content: "";
            display: block;
            width: 60px;
            height: 3px;
            background: var(--troyka-accent);
            margin: 15px auto 0;
        }

        /* Преимущества */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-bottom: 80px;
        }

        .advantage-card {
            padding: 35px;
            border: 1px solid var(--troyka-border);
            border-top: 3px solid var(--troyka-dark-soft);
            transition: all 0.4s ease;
        }

        .advantage-card:hover {
            border-top-color: var(--troyka-accent);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .advantage-card h4 {
            font-size: 16px;
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 15px;
            color: var(--troyka-dark-soft);
        }

        .advantage-card p {
            font-family: var(--font-sec);
            font-size: 14px;
            line-height: 1.7;
            color: #666;
        }

        /* График */
        .chart-section {
            background: var(--troyka-light-gray);
            padding: 50px 40px;
            border-radius: 4px;
            margin-bottom: 30px;
        }

        .chart-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .chart-row {
            margin-bottom: 20px;
        }

        .chart-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .chart-bar-bg {
            background: #e0e0e0;
            height: 12px;
            border-radius: 6px;
            overflow: hidden;
        }

        .chart-bar-fill {
            height: 100%;
            background: #999;
            border-radius: 6px;
        }

        .chart-bar-fill.gas {
            background: var(--troyka-accent);
        }

        /* Таблица */
        .table-section {
            margin-bottom: 80px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border: 1px solid var(--troyka-border);
        }

        .comparison-table th {
            background: var(--troyka-dark-soft);
            color: #fff;
            padding: 20px;
            text-align: left;
            font-size: 11px;
            text-transform: uppercase;
        }

        .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--troyka-border);
            font-size: 14px;
        }

        .row-highlight {
            background-color: #fdf5f5;
        }

        .row-highlight td {
            font-weight: 700;
            color: var(--troyka-accent);
        }

        /* Детализированная формула */
        .formula-section {
            background: var(--troyka-dark-soft);
            color: #fff;
            padding: 60px 40px;
            border-radius: 4px;
            margin-bottom: 80px;
            text-align: center;
        }

        .formula-intro {
            max-width: 700px;
            margin: 0 auto 40px;
            font-size: 14px;
            line-height: 1.6;
            color: #ccc;
        }

        .formula-main-grid {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .formula-step {
            flex: 1;
            min-width: 160px;
            padding: 20px;
            border: 1px solid rgba(255,255,255,0.1);
            background: rgba(255,255,255,0.03);
        }

        .formula-step .v {
            font-size: 32px;
            font-weight: 800;
            display: block;
            margin-bottom: 5px;
        }

        .formula-step .l {
            font-size: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #888;
        }

        .formula-operator {
            font-size: 24px;
            font-weight: 300;
            color: var(--troyka-accent);
        }

        .formula-result-banner {
            background: rgba(178, 34, 34, 0.05);
            border: 1px solid var(--troyka-accent);
            padding: 30px;
            display: inline-block;
            margin-top: 20px;
        }

        .formula-result-banner .label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: block;
            margin-bottom: 10px;
        }

        .formula-result-banner .price {
            font-size: 54px;
            font-weight: 900;
            color: var(--troyka-accent);
        }

        /* Инвестиционный блок */
        .investment-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            margin-top: 40px;
        }

        .investment-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .investment-item {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--troyka-border);
        }

        .investment-item:last-child { border-bottom: none; }

        .investment-item .desc {
            font-family: var(--font-sec);
            font-size: 14px;
            color: #666;
            max-width: 70%;
        }

        .investment-item .desc b {
            display: block;
            color: var(--troyka-dark-soft);
            font-size: 16px;
            margin-bottom: 4px;
            font-family: var(--font-main);
        }

        .investment-item .cost {
            font-size: 18px;
            font-weight: 700;
            color: var(--troyka-dark-soft);
            white-space: nowrap;
        }

        .total-box {
            background: var(--troyka-accent);
            color: #fff;
            padding: 50px;
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 40px;
        }

        .kpi-card {
            background: var(--troyka-light-gray);
            padding: 20px;
            border: 1px solid var(--troyka-border);
        }

        .kpi-card .v { display: block; font-size: 20px; font-weight: 800; margin-bottom: 5px; }
        .kpi-card .l { font-size: 10px; text-transform: uppercase; color: #888; }

        @media (max-width: 900px) {
            .investment-grid { grid-template-columns: 1fr; }
            .formula-main-grid { flex-direction: column; }
            .formula-operator { transform: rotate(90deg); }
            .kpi-grid { grid-template-columns: 1fr; }
        }