/* ===========================================================
   Index Page — Aurora Blue Theme
   =========================================================== */

/* ─────── Recommend Grid ────── */
.padwe-recommend-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 10px;
    padding: 14px;
    background: var(--wr-surface);
    border-radius: 16px;
    border: 1px solid var(--wr-border);
    box-shadow: var(--wr-shadow-sm);
    position: relative;
    overflow: hidden;
}

.padwe-recommend-content-hot {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 14px 10px 10px;
    padding: 16px;
    background: var(--wr-surface);
    border-radius: 16px;
    border: 1px solid var(--wr-border);
    box-shadow: var(--wr-shadow-md);
    position: relative;
    overflow: hidden;
}
.padwe-recommend-content-hot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #06b6d4, #f59e0b, #2563eb);
    background-size: 220% 100%;
    animation: gradientFlow 6s linear infinite;
}

@keyframes gradientFlow {
    0%   { background-position: 0% 0%; }
    100% { background-position: 220% 0%; }
}

.padwe-recommend-content img,
.padwe-recommend-content-hot img {
    width: 100%;
}

/* ────── Category Grid Container ─────── */
.category-grid-container {
    margin: 20px 10px;
    padding: 26px 20px 22px;
    background: var(--wr-surface);
    border-radius: 18px;
    border: 1px solid var(--wr-border);
    box-shadow: var(--wr-shadow-md);
    position: relative;
    overflow: hidden;
}
.category-grid-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--wr-grad);
}

.category-grid-container h2 {
    color: var(--wr-ink);
    font-size: 1.15rem;
    margin: 0 0 6px 0;
    font-weight: 800;
    text-align: center;
    letter-spacing: .2px;
    position: relative;
    z-index: 1;
}
.category-grid-container h2::after {
    content: '';
    display: block;
    width: 34px;
    height: 3px;
    border-radius: 3px;
    background: var(--wr-grad);
    margin: 8px auto 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 18px 0 0;
    position: relative;
    z-index: 1;
}

.category-item {
    position: relative;
    height: 102px;
    background: var(--wr-surface-soft);
    border-radius: 13px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .3s cubic-bezier(.4, 0, .2, 1);
    overflow: hidden;
    border: 1px solid var(--wr-border);
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.category-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(120px 60px at 50% -10px, rgba(37, 99, 235, .1), transparent 70%);
    opacity: 0;
    transition: opacity .3s ease;
}
.category-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, .4);
    background: var(--wr-primary-soft);
    box-shadow: 0 8px 22px rgba(37, 99, 235, .16);
}
.category-item:hover::after {
    opacity: 1;
}

.category-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 8px;
    background: var(--wr-grad);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(37, 99, 235, .28);
    transition: all .3s cubic-bezier(.34, 1.56, .64, 1);
}
.category-item:hover .category-icon {
    transform: scale(1.1) rotate(-6deg);
    box-shadow: 0 6px 18px rgba(6, 182, 212, .38);
}
.category-icon svg {
    width: 19px;
    height: 19px;
    fill: #ffffff;
}

.category-name {
    font-size: .8rem;
    font-weight: 600;
    color: var(--wr-text);
    text-align: center;
    z-index: 2;
    line-height: 1.3;
    transition: color .25s ease;
}
.category-item:hover .category-name {
    color: var(--wr-primary-strong);
}

/* ─────── SEO Content Section ────── */
.seo-content-section {
    background: var(--wr-surface);
    padding: 28px 20px;
    margin: 24px 10px;
    border-radius: 18px;
    border: 1px solid var(--wr-border);
    box-shadow: var(--wr-shadow-sm);
    position: relative;
    overflow: hidden;
}

.seo-content-section h2 {
    color: var(--wr-ink);
    text-align: center;
    font-size: 1.3rem;
    margin: 0 0 20px;
    font-weight: 800;
    letter-spacing: -.1px;
    position: relative;
}
.seo-content-section h2::after {
    content: '';
    display: block;
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: var(--wr-grad);
    margin: 8px auto 0;
}

.seo-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.benefit-item {
    background: var(--wr-surface-soft);
    padding: 18px 16px;
    border-radius: 12px;
    border: 1px solid var(--wr-border);
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}
.benefit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--wr-grad);
    border-radius: 3px;
    transition: height .3s ease;
}
.benefit-item:hover {
    transform: translateY(-3px);
    border-color: rgba(37, 99, 235, .35);
    background: var(--wr-primary-soft);
    box-shadow: 0 8px 20px rgba(37, 99, 235, .1);
}
.benefit-item:hover::before {
    height: 100%;
}
.benefit-item h3 {
    color: var(--wr-primary-strong);
    font-size: .98rem;
    margin: 0 0 6px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}
.benefit-item h3::before {
    content: '✦';
    color: var(--wr-cyan);
    font-size: .85rem;
}
.benefit-item p {
    color: var(--wr-text);
    line-height: 1.7;
    font-size: .86rem;
    margin: 0;
}

/* ─────── Game Types Section ─────── */
.game-types-section {
    background: var(--wr-surface);
    padding: 28px 20px;
    margin: 24px 10px;
    border-radius: 18px;
    border: 1px solid var(--wr-border);
    box-shadow: var(--wr-shadow-sm);
    position: relative;
    overflow: hidden;
}

.game-types-section h2 {
    color: var(--wr-ink);
    text-align: center;
    font-size: 1.3rem;
    margin: 0 0 20px;
    font-weight: 800;
    letter-spacing: -.1px;
    position: relative;
}
.game-types-section h2::after {
    content: '';
    display: block;
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: var(--wr-grad);
    margin: 8px auto 0;
}

.game-type-info h3 {
    color: var(--wr-primary-strong);
    font-size: 1.04rem;
    margin: 20px 0 6px 0;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}
.game-type-info h3::before {
    content: '◆';
    color: var(--wr-cyan);
    font-size: .65rem;
}
.game-type-info h3:first-of-type {
    margin-top: 4px;
}
.game-type-info p {
    color: var(--wr-text);
    line-height: 1.75;
    font-size: .9rem;
    margin: 0 0 10px;
    padding-left: 16px;
}

/* ─────── Category Subtitle ────── */
.category-subtitle {
    color: var(--wr-text);
    font-size: .95rem;
    text-align: center;
    margin: 10px 0 0;
    line-height: 1.7;
    max-width: 660px;
    margin-left: auto;
    margin-right: auto;
}

/* ─────── Recommend Item (List style) ─────── */
.recommend-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-self: center;
    margin: 12px 0;
    position: relative;
}
.recommend-item a {
    align-items: center;
    justify-self: center;
    text-decoration: none;
    width: 100%;
}
.recommend-item img {
    width: 100%;
    object-fit: contain;
    border-radius: 10px;
}
.recommend-item-info {
    display: flex;
    flex-direction: column;
    padding: 8px 10px;
    flex-wrap: wrap;
    position: relative;
}
.recommend-item-info h3 {
    color: var(--wr-ink);
    font-size: .88rem;
    margin: 0 0 3px;
    font-weight: 700;
}
.recommend-item-info p {
    color: var(--wr-muted);
    font-size: .76rem;
    margin: 3px 0 0;
    font-weight: 500;
}

.recommend-item-btn {
    display: flex;
    width: 100%;
    height: 30px;
    background: var(--wr-grad);
    border-radius: 9px;
    box-shadow: 0 3px 10px rgba(37, 99, 235, .25);
    transition: all .25s ease;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.recommend-item-btn a {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-weight: 700;
    font-size: .82rem;
    text-decoration: none;
    letter-spacing: .2px;
}
.recommend-item-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, .35);
}
.recommend-item-btn img {
    width: 26px;
    height: 14px;
}

/* ─────── Responsive ─────── */
@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .category-item {
        height: 90px;
        border-radius: 11px;
    }
    .category-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
    }
    .category-icon svg {
        width: 16px;
        height: 16px;
    }
    .category-name {
        font-size: .76rem;
    }
    .seo-benefits {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .category-grid-container {
        padding: 22px 14px 18px;
        margin: 18px 8px;
    }
    .padwe-recommend-content,
    .padwe-recommend-content-hot {
        gap: 8px;
        padding: 10px;
        margin: 8px;
    }
    .seo-content-section,
    .game-types-section {
        margin: 20px 8px;
        padding: 22px 16px;
        border-radius: 14px;
    }
    .category-item {
        height: 78px;
    }
    .category-grid-container h2 {
        font-size: 1.05rem;
    }
}