/* ============================================================
 * link gk88 - design-8dbf.css
 * All custom classes use the `uidb-` prefix.
 * Palette: #FFA500 (orange) | #FFB347 (light) | #262626 (dark)
 * Mobile-first. Max content width 430px.
 * ============================================================ */

:root {
    --uidb-orange: #FFA500;
    --uidb-orange-light: #FFB347;
    --uidb-orange-dark: #e08e00;
    --uidb-dark: #262626;
    --uidb-dark-2: #1c1c1c;
    --uidb-dark-3: #333333;
    --uidb-card: #2f2f2f;
    --uidb-text: #fff5e6;
    --uidb-muted: #c9b89a;
    --uidb-gold: #FFD580;
    --uidb-shadow: 0 6px 20px rgba(0, 0, 0, .35);
    --uidb-radius: 14px;
    --uidb-header-h: 56px;
    --uidb-bottomnav-h: 64px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: "Segoe UI", "Roboto", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
    background: var(--uidb-dark);
    color: var(--uidb-text);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--uidb-orange-light); text-decoration: none; }
a:hover { color: var(--uidb-orange); }
h1, h2, h3, h4 { margin: 0 0 .4em; line-height: 1.3; font-weight: 700; }
p { margin: 0 0 1em; }

.uidb-no-scroll { overflow: hidden; }

/* ================= Header ================= */
.uidb-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--uidb-header-h);
    background: linear-gradient(180deg, #2a2a2a 0%, #1f1f1f 100%);
    border-bottom: 2px solid var(--uidb-orange);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,.45);
}
.uidb-header-inner {
    max-width: 430px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.uidb-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--uidb-text);
    font-weight: 800;
    font-size: 18px;
    letter-spacing: .5px;
}
.uidb-logo img { width: 32px; height: 32px; border-radius: 8px; }
.uidb-logo .uidb-logo-accent { color: var(--uidb-orange); }

.uidb-header-actions { display: flex; align-items: center; gap: 6px; }
.uidb-hamburger {
    background: transparent;
    border: 0;
    color: var(--uidb-text);
    font-size: 22px;
    padding: 6px 8px;
    cursor: pointer;
}
.uidb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: 0;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, filter .15s;
    text-decoration: none;
    line-height: 1;
}
.uidb-btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.uidb-btn-primary {
    background: linear-gradient(135deg, var(--uidb-orange) 0%, var(--uidb-orange-light) 100%);
    color: #1a1a1a;
    box-shadow: 0 4px 12px rgba(255,165,0,.35);
}
.uidb-btn-ghost {
    background: transparent;
    color: var(--uidb-text);
    border: 1px solid var(--uidb-orange);
}
.uidb-btn-block { width: 100%; padding: 12px 14px; font-size: 14px; }

/* ================= Mobile slide menu ================= */
.uidb-menu-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.55);
    z-index: 9998;
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease;
}
.uidb-overlay-show { opacity: 1; pointer-events: auto; }
.uidb-mobile-menu {
    position: fixed;
    top: 0; left: 0;
    width: 78%;
    max-width: 320px;
    height: 100%;
    background: var(--uidb-dark-2);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform .3s ease;
    overflow-y: auto;
    padding: 18px 16px 32px;
    border-right: 2px solid var(--uidb-orange);
}
.uidb-menu-open { transform: translateX(0); }
.uidb-mobile-menu h3 {
    color: var(--uidb-orange);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 18px 4px 8px;
    border-bottom: 1px solid #3a3a3a;
    padding-bottom: 6px;
}
.uidb-mobile-menu a {
    display: block;
    padding: 10px 8px;
    color: var(--uidb-text);
    border-radius: 8px;
    font-size: 14px;
    transition: background .15s;
}
.uidb-mobile-menu a:hover, .uidb-mobile-menu a:focus {
    background: rgba(255,165,0,.12);
    color: var(--uidb-orange-light);
}
.uidb-menu-close {
    background: transparent;
    border: 0;
    color: var(--uidb-text);
    font-size: 26px;
    cursor: pointer;
    float: right;
    line-height: 1;
}

/* ================= Layout ================= */
.uidb-main {
    margin-top: var(--uidb-header-h);
    max-width: 430px;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 84px;
}

/* ================= Hero carousel ================= */
.uidb-hero {
    position: relative;
    overflow: hidden;
    border-radius: 0 0 18px 18px;
}
.uidb-hero-slide {
    display: none;
    position: relative;
    min-height: 220px;
}
.uidb-hero-slide img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    filter: brightness(.7);
}
.uidb-hero-caption {
    position: absolute;
    left: 16px; right: 16px;
    bottom: 22px;
    color: #fff;
}
.uidb-hero-caption h2 {
    font-size: 22px;
    margin-bottom: 6px;
    text-shadow: 0 2px 6px rgba(0,0,0,.6);
}
.uidb-hero-caption p {
    font-size: 13px;
    margin: 0 0 10px;
    color: #ffe;
}
.uidb-hero-dots {
    position: absolute;
    bottom: 8px; left: 0; right: 0;
    text-align: center;
}
.uidb-hero-dot {
    display: inline-block;
    width: 8px; height: 8px;
    margin: 0 3px;
    border-radius: 50%;
    background: rgba(255,255,255,.45);
    cursor: pointer;
}
.uidb-dot-active { background: var(--uidb-orange); width: 22px; border-radius: 5px; }
.uidb-hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,.35);
    color: #fff;
    border: 0;
    width: 34px; height: 34px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
}
.uidb-hero-prev { left: 6px; }
.uidb-hero-next { right: 6px; }

/* ================= Section ================= */
.uidb-section {
    padding: 22px 14px 8px;
}
.uidb-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.uidb-section-title h2 {
    font-size: 18px;
    color: var(--uidb-orange-light);
    display: flex;
    align-items: center;
    gap: 8px;
}
.uidb-section-title .uidb-more {
    font-size: 12px;
    color: var(--uidb-muted);
}
.uidb-divider {
    height: 3px;
    width: 40px;
    background: var(--uidb-orange);
    border-radius: 2px;
    margin-bottom: 14px;
}

/* ================= Filter ================= */
.uidb-filter-bar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 0 12px;
    -webkit-overflow-scrolling: touch;
}
.uidb-filter-bar::-webkit-scrollbar { display: none; }
.uidb-filter-btn {
    flex: 0 0 auto;
    padding: 7px 14px;
    border-radius: 999px;
    background: var(--uidb-card);
    color: var(--uidb-text);
    border: 1px solid #444;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}
.uidb-filter-active {
    background: linear-gradient(135deg, var(--uidb-orange), var(--uidb-orange-light));
    color: #1a1a1a;
    border-color: transparent;
}

/* ================= Game grid ================= */
.uidb-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.uidb-game-card {
    background: var(--uidb-card);
    border-radius: var(--uidb-radius);
    overflow: hidden;
    position: relative;
    box-shadow: var(--uidb-shadow);
    transition: transform .18s ease, box-shadow .18s ease;
}
.uidb-game-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(0,0,0,.5); }
.uidb-game-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: #222;
}
.uidb-game-body {
    padding: 8px 8px 10px;
}
.uidb-game-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--uidb-text);
    line-height: 1.35;
    margin-bottom: 6px;
    height: 32px;
    overflow: hidden;
}
.uidb-game-play {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, var(--uidb-orange), var(--uidb-orange-light));
    color: #1a1a1a;
    font-size: 11px;
    font-weight: 700;
    padding: 6px 0;
    border-radius: 8px;
}
.uidb-game-tag {
    position: absolute;
    top: 6px; left: 6px;
    background: rgba(0,0,0,.6);
    color: var(--uidb-orange-light);
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 6px;
}

/* ================= Featured (2-col) ================= */
.uidb-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.uidb-feature-card {
    background: linear-gradient(135deg, #322a1c, #1f1a13);
    border: 1px solid #4a3a22;
    border-radius: var(--uidb-radius);
    padding: 14px;
    text-align: center;
    box-shadow: var(--uidb-shadow);
}
.uidb-feature-card i { color: var(--uidb-orange); font-size: 26px; margin-bottom: 6px; }
.uidb-feature-card h3 { color: var(--uidb-orange-light); font-size: 14px; margin-bottom: 4px; }
.uidb-feature-card p { font-size: 12px; color: var(--uidb-muted); margin: 0; }

/* ================= Promo banner ================= */
.uidb-promo-banner {
    background: linear-gradient(135deg, var(--uidb-orange) 0%, var(--uidb-orange-light) 100%);
    color: #1a1a1a;
    padding: 18px 16px;
    border-radius: var(--uidb-radius);
    text-align: center;
    margin: 16px 14px;
    box-shadow: var(--uidb-shadow);
}
.uidb-promo-banner h3 { font-size: 18px; margin-bottom: 4px; color: #1a1a1a; }
.uidb-promo-banner p { font-size: 13px; margin: 0 0 12px; color: #2a2a2a; }
.uidb-promo-banner .uidb-btn { background: #1a1a1a; color: var(--uidb-orange-light); }

/* ================= SEO content / article ================= */
.uidb-article {
    background: var(--uidb-dark-2);
    border-radius: var(--uidb-radius);
    padding: 18px 16px;
    margin: 16px 14px;
    border: 1px solid #3a3a3a;
}
.uidb-article h2 {
    color: var(--uidb-orange);
    font-size: 18px;
    margin-top: 18px;
    margin-bottom: 8px;
}
.uidb-article h2:first-child { margin-top: 0; }
.uidb-article h3 {
    color: var(--uidb-orange-light);
    font-size: 15px;
    margin-top: 14px;
    margin-bottom: 6px;
}
.uidb-article p, .uidb-article li {
    color: var(--uidb-text);
    font-size: 14px;
}
.uidb-article ul, .uidb-article ol { padding-left: 20px; }
.uidb-article a { color: var(--uidb-orange-light); text-decoration: underline; }
.uidb-article strong { color: var(--uidb-gold); }

/* ================= FAQ ================= */
.uidb-faq-item {
    background: var(--uidb-dark-2);
    border: 1px solid #3a3a3a;
    border-radius: 10px;
    margin-bottom: 8px;
    overflow: hidden;
}
.uidb-faq-q {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    color: var(--uidb-text);
    padding: 12px 14px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.uidb-faq-q .uidb-faq-icon { color: var(--uidb-orange); transition: transform .2s; }
.uidb-faq-open .uidb-faq-icon { transform: rotate(45deg); }
.uidb-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    padding: 0 14px;
    color: var(--uidb-muted);
    font-size: 13px;
}
.uidb-faq-answer p { margin: 0 0 10px; }

/* ================= Footer ================= */
.uidb-footer {
    background: var(--uidb-dark-2);
    border-top: 2px solid var(--uidb-orange);
    padding: 22px 16px 90px;
    color: var(--uidb-muted);
}
.uidb-footer-inner { max-width: 430px; margin: 0 auto; }
.uidb-footer h4 {
    color: var(--uidb-orange-light);
    font-size: 14px;
    margin: 14px 0 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.uidb-footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 12px;
}
.uidb-footer-links a {
    color: var(--uidb-muted);
    font-size: 13px;
}
.uidb-footer-links a:hover { color: var(--uidb-orange-light); }
.uidb-footer-bottom {
    text-align: center;
    font-size: 12px;
    color: #6a6a6a;
    margin-top: 18px;
    padding-top: 12px;
    border-top: 1px solid #333;
}

/* ================= Bottom nav ================= */
.uidb-bottom-nav {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: var(--uidb-bottomnav-h);
    background: linear-gradient(180deg, #2a2a2a, #161616);
    border-top: 2px solid var(--uidb-orange);
    display: flex;
    justify-content: space-around;
    align-items: stretch;
    z-index: 1000;
    box-shadow: 0 -4px 14px rgba(0,0,0,.45);
}
.uidb-nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-width: 60px;
    min-height: 60px;
    background: transparent;
    border: 0;
    color: var(--uidb-muted);
    font-size: 11px;
    cursor: pointer;
    text-decoration: none;
    padding: 6px 2px;
    transition: color .15s ease, transform .15s ease;
    position: relative;
}
.uidb-nav-btn .uidb-nav-icon { font-size: 22px; line-height: 1; }
.uidb-nav-btn .uidb-nav-label { font-size: 10.5px; line-height: 1; }
.uidb-nav-btn:hover, .uidb-nav-btn:focus { color: var(--uidb-orange-light); }
.uidb-nav-btn.uidb-nav-active { color: var(--uidb-orange); }
.uidb-nav-btn.uidb-nav-active::before {
    content: "";
    position: absolute;
    top: -2px; left: 30%; right: 30%;
    height: 3px;
    background: var(--uidb-orange);
    border-radius: 0 0 3px 3px;
}
.uidb-nav-promo {
    color: var(--uidb-orange);
}
.uidb-nav-promo .uidb-nav-icon {
    background: linear-gradient(135deg, var(--uidb-orange), var(--uidb-orange-light));
    color: #1a1a1a;
    width: 38px; height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-top: -14px;
    box-shadow: 0 4px 10px rgba(255,165,0,.45);
    border: 2px solid #2a2a2a;
}

/* ================= Back to top ================= */
.uidb-to-top {
    position: fixed;
    right: 14px; bottom: 76px;
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--uidb-orange);
    color: #1a1a1a;
    border: 0;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease, transform .15s;
    z-index: 999;
    box-shadow: var(--uidb-shadow);
}
.uidb-to-top-show { opacity: 1; pointer-events: auto; }
.uidb-to-top:hover { transform: translateY(-2px); }

/* ================= Misc ================= */
.uidb-text-center { text-align: center; }
.uidb-mt-12 { margin-top: 12px; }
.uidb-hidden { display: none !important; }

/* Desktop: hide bottom nav, widen layout */
@media (min-width: 769px) {
    .uidb-bottom-nav { display: none; }
    .uidb-header-hamburger-only { display: none; }
    .uidb-main { padding-bottom: 30px; }
    .uidb-footer { padding-bottom: 30px; }
}