:root {
    --bg: #0b0d10;
    --panel: #12161b;
    --line: #242b33;
    --text: #eef2f7;
    --muted: #95a0ad;
    --accent: #38bdf8;
    --accent-2: #2563eb;
    --radius: 22px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top center, rgba(56,189,248,.12), transparent 38%), linear-gradient(180deg, #0b0d10 0%, #0a0c0f 100%);
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 24px 18px 80px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
}

    .logo-link img {
        height: 34px;
        width: auto;
    }

.crumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
}

    .crumbs a {
        text-decoration: none;
        color: var(--muted);
        font-weight: 700;
    }

        .crumbs a:hover {
            color: var(--accent);
        }

.panel,
.notice,
.info-card,
.product-card,
.faq-item,
.tip-card,
.loading-box {
    background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
    border: 1px solid rgba(255,255,255,.06);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0,0,0,.42);
    backdrop-filter: blur(12px);
}

.hero {
    padding: 36px 30px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(56,189,248,.12);
    border: 1px solid rgba(56,189,248,.22);
    color: var(--accent);
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

h1 {
    margin: 0;
    font-size: clamp(2.1rem, 5vw, 4rem);
    line-height: 1.03;
    letter-spacing: -.04em;
    max-width: 860px;
}

.lead {
    margin: 16px 0 0;
    max-width: 760px;
    color: var(--muted);
    line-height: 1.85;
    font-size: 1.06rem;
}

.notice {
    margin-top: 18px;
    padding: 16px 18px;
    color: #cbd5e1;
    line-height: 1.7;
}

.section {
    margin-top: 30px;
}

.section-title {
    margin: 0 0 12px;
    font-size: clamp(1.45rem, 2vw, 2rem);
    letter-spacing: -.02em;
    line-height: 1.15;
}

.section-intro {
    margin: 0 0 18px;
    max-width: 860px;
    color: var(--muted);
    line-height: 1.8;
}

.two-col {
    display: grid;
    grid-template-columns: 1.6fr .9fr;
    gap: 18px;
    align-items: start;
}

.copy p,
.info-card p,
.faq-item p,
.product-body p,
.tip-card p,
.loading-box p {
    color: var(--muted);
    line-height: 1.8;
    margin: 0 0 14px;
}

.info-card,
.tip-card,
.loading-box {
    padding: 22px;
}

    .info-card h3,
    .faq-item h3,
    .product-body h3,
    .tip-card h3 {
        margin: 0 0 10px;
        font-size: 1.08rem;
        line-height: 1.35;
    }

.tips {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.tip-label {
    color: var(--accent);
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.product-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.product-count {
    color: var(--muted);
    font-size: .92rem;
    white-space: nowrap;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.product-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-image {
    aspect-ratio: 4 / 3;
    padding: 22px;
    background: #0f1318;
    border-bottom: 1px solid rgba(255,255,255,.06);
    display: flex;
    align-items: center;
    justify-content: center;
}

    .product-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

.product-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
}

.product-tag {
    display: inline-flex;
    width: fit-content;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(56,189,248,.1);
    border: 1px solid rgba(56,189,248,.22);
    color: var(--accent);
    font-size: .8rem;
    font-weight: 700;
}

.product-actions {
    margin-top: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 16px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 4px 16px rgba(37,99,235,.34);
    transition: transform .2s ease, box-shadow .2s ease;
}

    .btn:hover {
        transform: translateY(-2px);
    }

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item {
    padding: 20px 22px;
}

.loading-box {
    margin-bottom: 18px;
}

    .loading-box p:last-child {
        margin-bottom: 0;
    }

.loading-status {
    color: var(--muted);
}

.foot-note {
    margin-top: 28px;
    text-align: center;
    color: #94a3b8;
    font-size: .88rem;
    line-height: 1.75;
}

@media (max-width: 980px) {
    .two-col,
    .tips,
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        padding: 28px 22px;
    }

    .product-head {
        align-items: flex-start;
        flex-direction: column;
    }
}

.product-meta {
    display: grid;
    gap: 6px;
    margin-top: 2px;
}

.product-price {
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
}

.product-meta-row {
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.45;
}