\/* ==========================================================================
   🚀 Boxon Planet - WASM 启动屏样式 (Splash Screen)
   ========================================================================== */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    /* 彻底换成浅色背景，与系统主色调一致 */
    background-color: #F8FAFC; 
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.splash-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    color: #0F172A; /* 深色文字 */
}

/* Logo 脉冲动画：浅色背景下使用微妙的橙色柔光投影 */
.splash-logo-img {
    height: 50px; 
    margin-bottom: 20px;
    animation: pulse 2s infinite ease-in-out;
}

.splash-subtitle {
    font-size: 1.1rem;
    color: #64748B;
    margin-bottom: 40px;
    letter-spacing: 2px;
    font-weight: 500;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.9; }
    /* 橙色边缘发光特效 */
    50% { transform: scale(1.05); opacity: 1; filter: drop-shadow(0px 4px 15px rgba(255, 107, 0, 0.25)); }
    100% { transform: scale(1); opacity: 0.9; }
}

/* 现代化科技进度条 - 替换为浅灰底槽 */
.loader-bar {
    width: 280px;
    height: 4px;
    background: #E2E8F0; 
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

/* 加载光波：换成极具动感的 Boxon 品牌橙色渐变 */
.loader-progress {
    position: absolute;
    left: -50%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, #FF6B00, transparent);
    animation: slide 1.5s infinite ease-in-out;
}

@keyframes slide {
    0% { left: -50%; }
    100% { left: 100%; }
}

/* 闪烁状态文本 */
.loading-text {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #94A3B8;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}