:root {
    --dopa-pink: #ff6b9d;
    --dopa-magenta: #e040fb;
    --dopa-purple: #9b5de5;
    --dopa-violet: #7b2ff7;
    --dopa-orange: #ff9f1c;
    --dopa-yellow: #ffe566;
    --dopa-cyan: #00e5c0;
    --dopa-blue: #4cc9f0;
    --dopa-bg-1: #fff0f8;
    --dopa-bg-2: #f5e6ff;
    --dopa-bg-3: #e8f8ff;
    --dopa-text: #2d1b4e;
    --dopa-text-muted: #7a6b8a;
    --dopa-gradient: linear-gradient(135deg, var(--dopa-pink), var(--dopa-purple), var(--dopa-cyan));
    --dopa-gradient-warm: linear-gradient(135deg, var(--dopa-orange), var(--dopa-pink), var(--dopa-magenta));
    --dopa-shadow: 0 8px 32px rgba(155, 93, 229, 0.18);
    --dopa-shadow-hover: 0 12px 36px rgba(255, 107, 157, 0.28);
}

body {
    background: linear-gradient(160deg, var(--dopa-bg-1) 0%, var(--dopa-bg-2) 45%, var(--dopa-bg-3) 100%);
    background-attachment: fixed;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--dopa-text);
    min-height: 100vh;
}

.site-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 3px solid transparent;
    border-image: var(--dopa-gradient) 1;
    box-shadow: 0 4px 24px rgba(155, 93, 229, 0.12);
    padding: 16px 0;
    margin-bottom: 24px;
}

.site-header .site-title {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--dopa-gradient-warm);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.site-header .site-title:hover {
    opacity: 0.85;
}

.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 32px;
    background: var(--dopa-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main {
    margin-bottom: 48px;
}

.box {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 20px;
    padding: 48px 32px 56px;
    box-shadow: var(--dopa-shadow);
    border: 2px solid rgba(255, 107, 157, 0.12);
}

.item {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 16px;
    padding: 12px;
    margin-bottom: 16px;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    height: 100%;
    text-align: center;
    border: 2px solid rgba(155, 93, 229, 0.1);
    box-shadow: 0 4px 16px rgba(155, 93, 229, 0.08);
}

a:hover .item {
    transform: translateY(-4px);
    box-shadow: var(--dopa-shadow-hover);
    border-color: rgba(255, 107, 157, 0.35);
}

.item .logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--dopa-text);
    margin-bottom: 8px;
    word-break: break-word;
    line-height: 1.3;
}

.item .logo img {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 14px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(123, 47, 247, 0.15);
}

.item .desc {
    font-size: 0.8rem;
    color: var(--dopa-text-muted);
    line-height: 1.4;
    margin-top: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Bootstrap overrides */
.btn-primary {
    background: var(--dopa-gradient-warm);
    border: none;
    box-shadow: 0 4px 16px rgba(255, 107, 157, 0.35);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: linear-gradient(135deg, var(--dopa-magenta), var(--dopa-violet), var(--dopa-pink));
    border: none;
    box-shadow: 0 6px 20px rgba(155, 93, 229, 0.4);
}

.btn-outline-secondary {
    color: var(--dopa-purple);
    border-color: var(--dopa-purple);
}

.btn-outline-secondary:hover {
    background: var(--dopa-purple);
    border-color: var(--dopa-purple);
    color: #fff;
}

/* Detail page */
.game-detail {
    text-align: center;
    padding-bottom: 16px;
}

.game-detail .game-icon {
    width: 160px;
    height: 160px;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 0 8px 32px rgba(155, 93, 229, 0.25);
    margin-bottom: 16px;
    border: 3px solid rgba(255, 107, 157, 0.2);
}

.game-detail .game-name {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 8px;
    background: var(--dopa-gradient-warm);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.game-detail .game-desc {
    color: var(--dopa-text-muted);
    margin-bottom: 24px;
}

.btn-start-game {
    padding: 12px 48px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
}

.game-frame-wrap {
    display: none;
    margin-top: 32px;
    margin-bottom: 16px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--dopa-shadow);
    background: #000;
    border: 2px solid rgba(155, 93, 229, 0.2);
}

.game-frame-wrap.active {
    display: block;
}

.game-frame-toolbar {
    display: flex;
    justify-content: flex-end;
    padding: 8px 12px;
    background: linear-gradient(90deg, var(--dopa-bg-1), var(--dopa-bg-2));
    border-bottom: 2px solid rgba(155, 93, 229, 0.12);
}

.game-frame-wrap iframe {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
    background: #000;
}

.game-frame-wrap:fullscreen,
.game-frame-wrap:-webkit-full-screen,
.game-frame-wrap:-moz-full-screen {
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 0;
    display: flex;
    flex-direction: column;
}

.game-frame-wrap:fullscreen .game-frame-toolbar,
.game-frame-wrap:-webkit-full-screen .game-frame-toolbar,
.game-frame-wrap:-moz-full-screen .game-frame-toolbar {
    flex-shrink: 0;
}

.game-frame-wrap:fullscreen iframe,
.game-frame-wrap:-webkit-full-screen iframe,
.game-frame-wrap:-moz-full-screen iframe {
    flex: 1;
    height: auto;
    min-height: 0;
}

.more-games {
    margin-top: 64px;
    padding: 48px 0 56px;
    border-top: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--dopa-pink), var(--dopa-purple), var(--dopa-cyan)) 1;
}

.more-games .section-title {
    margin-top: 0;
    margin-bottom: 32px;
}

.more-games .item {
    margin-bottom: 0;
}

.main .box .row.g-4 .item {
    margin-bottom: 0;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--dopa-purple);
    text-decoration: none;
    margin-bottom: 20px;
    font-size: 0.95rem;
    font-weight: 600;
}

.back-link:hover {
    color: var(--dopa-pink);
}
/* ========== 广告通用 ========== */
.ad-banner {
    display: none;
    margin: 28px auto 40px;
    box-sizing: border-box;
}
.ad-banner.is-visible {
    display: flex !important;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
}
.ad-banner__frame {
    width: 300px;
    max-width: 300px;
    margin: 0 auto;
    overflow: hidden;
    flex-shrink: 0;
    line-height: 0;
}
.ad-banner .ad-slot {
    width: 300px !important;
    max-width: 300px !important;
    min-width: 300px;
    margin: 0 auto !important;
    overflow: hidden !important;
    text-align: center;
    line-height: 0;
}
.ad-banner .ad-slot > div,
.ad-banner .ad-slot iframe {
    max-width: 300px !important;
}
.ad-banner .ad-slot iframe {
    width: 300px !important;
}

@media (max-width: 768px) {
    .box {
        padding: 32px 16px 40px;
        border-radius: 16px;
    }

    .item {
        padding: 10px 8px;
    }

    .item .logo {
        font-size: 0.85rem;
        gap: 8px;
        margin-bottom: 6px;
    }

    .game-detail .game-desc {
        display: none;
    }

    .game-frame-wrap iframe {
        height: 400px;
    }
}