:root {
    --primary-black: #000000;
    --primary-red: #D40000;
    --primary-gold: #FFD700;
    --primary-white: #FFFFFF;
    --primary-orange: #FF4500;
}

/* ============ SVG ICON STYLES ============ */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
    fill: currentColor;
}

.icon-fire { fill: var(--primary-red); }
.icon-gold { fill: var(--primary-gold); }
.icon-white { fill: var(--primary-white); }
.icon-black { fill: var(--primary-black); }

/* ============ LANGUAGE DEFAULT STYLES ============ */
/* 默认隐藏中文内容，显示英文内容 */
/* 这样页面加载时不会闪烁显示两种语言 */
[data-zh] {
    display: none !important;
}

[data-en] {
    display: inline !important;
}

/* 当 html 有 lang-zh 类时，切换显示 */
html.lang-zh [data-zh] {
    display: inline !important;
}

html.lang-zh [data-en] {
    display: none !important;
}

/* 块级元素的语言切换 */
div[data-zh], p[data-zh], section[data-zh], article[data-zh], h1[data-zh], h2[data-zh], h3[data-zh], h4[data-zh], h5[data-zh], h6[data-zh] {
    display: none !important;
}

div[data-en], p[data-en], section[data-en], article[data-en], h1[data-en], h2[data-en], h3[data-en], h4[data-en], h5[data-en], h6[data-en] {
    display: block !important;
}

html.lang-zh div[data-zh], html.lang-zh p[data-zh], html.lang-zh section[data-zh], html.lang-zh article[data-zh], html.lang-zh h1[data-zh], html.lang-zh h2[data-zh], html.lang-zh h3[data-zh], html.lang-zh h4[data-zh], html.lang-zh h5[data-zh], html.lang-zh h6[data-zh] {
    display: block !important;
}

html.lang-zh div[data-en], html.lang-zh p[data-en], html.lang-zh section[data-en], html.lang-zh article[data-en], html.lang-zh h1[data-en], html.lang-zh h2[data-en], html.lang-zh h3[data-en], html.lang-zh h4[data-en], html.lang-zh h5[data-en], html.lang-zh h6[data-en] {
    display: none !important;
}

/* ============ LANGUAGE TOGGLE STYLES ============ */
.language-toggle {
    display: flex;
    gap: 8px;
    align-items: center;
}

.lang-btn {
    padding: 8px 14px;
    background: transparent;
    border: 2px solid rgba(255, 215, 0, 0.3);
    color: #aaaaaa;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}

.lang-btn.active {
    background: var(--primary-gold);
    color: var(--primary-black);
    border-color: var(--primary-gold);
}

/* ============ END SVG ICON STYLES ============ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* [ADDED] 防止动画导致横向滚动条闪烁 */
html {
    overflow-x: hidden;
}

body {
    background-color: var(--primary-black);
    background-image: 
        /* 左下角红色火焰 - 欲望力量 */
        radial-gradient(ellipse 800px 700px at 5% 70%, rgba(212, 0, 0, 0.35) 0%, rgba(212, 0, 0, 0.15) 25%, transparent 65%),
        /* 右上角金色光晕 - 财富象征 */
        radial-gradient(ellipse 900px 600px at 95% 15%, rgba(255, 215, 0, 0.2) 0%, rgba(255, 215, 0, 0.08) 30%, transparent 70%),
        /* 右下角橙红火焰 - 能量爆发 */
        radial-gradient(ellipse 700px 600px at 95% 90%, rgba(255, 69, 0, 0.2) 0%, rgba(255, 69, 0, 0.08) 35%, transparent 70%),
        /* 左上角金红混合 - 权力象征 */
        radial-gradient(ellipse 700px 500px at 0% 0%, rgba(255, 215, 0, 0.12) 0%, rgba(212, 0, 0, 0.1) 30%, transparent 65%),
        /* 中心橙红光晕 - 力量中心 */
        radial-gradient(ellipse 600px 800px at 50% 50%, rgba(255, 69, 0, 0.1) 0%, transparent 55%);
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: var(--primary-white);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ============ TOP NAVIGATION BAR ============ */
.top-navbar {
    background: linear-gradient(180deg, rgba(0,0,0,0.95) 0%, rgba(20,20,20,0.9) 100%);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: #FFD700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 180px;
}

.brand-logo:hover {
    color: var(--primary-white);
}

.brand-logo svg {
    width: 1.8rem !important;
    height: 1.8rem !important;
    flex-shrink: 0;
}

.brand-logo .icon-fire {
    width: 1.8rem !important;
    height: 1.8rem !important;
}

.nav-links {
    display: flex;
    gap: 5px;
    flex: 1;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.nav-item {
    padding: 10px 18px;
    color: var(--primary-white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 0;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background-color: rgba(255, 215, 0, 0.1);
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}

.nav-item.active {
    background-color: var(--primary-gold);
    color: var(--primary-black);
    border-color: var(--primary-gold);
}

.nav-icons {
    display: flex;
    gap: 20px;
    align-items: center;
}

.search-icon, .cart-icon {
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--primary-gold);
    transition: color 0.3s ease;
}

.search-icon:hover, .cart-icon:hover {
    color: var(--primary-white);
}

/* 平板响应式 (768px - 1199px) */
@media (min-width: 768px) and (max-width: 1199px) {
    .lang-btn {
        font-size: 0.9rem;
        padding: 9px 15px;
    }

    .cart-icon {
        font-size: 1.4rem;
    }
    
    .nav-icons {
        align-items: center;
    }
    
    .nav-links {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 10px;
    }
}

@media (max-width: 768px) {
    .lang-btn {
        font-size: 1rem; /* Adjust as needed */
        padding: 10px 16px; /* Adjust padding for better touch target */
    }

    .cart-icon {
        font-size: 1.6rem; /* Adjust as needed */
    }
    .nav-icons {
        align-items: center;
    }
}

/* ============ FORM SELECT STYLES ============ */
/* 确保下拉选项在深色背景下正确显示 */
select option,
.form-control option,
.form-select option {
    background-color: #1a1a1a !important;
    color: #FFFFFF !important;
    padding: 8px;
}

/* 针对所有 select 元素的下拉选项 */
select {
    background-color: rgba(255, 255, 255, 0.1);
}

select:focus option,
select option:checked {
    background-color: #2a2a2a !important;
    color: #FFD700 !important;
}