/* VM · 虚空有物 - 补充样式文件 */
/* 用于扩展和补充主要样式 */

/* 性能优化 - 懒加载图片样式 */
img[data-src] {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

img.loading {
    opacity: 0.5;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
}

img.loaded {
    opacity: 1;
}

img.error {
    opacity: 0.3;
    filter: grayscale(100%);
}

@keyframes loading-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* 预加载提示 */
.preload-indicator {
    position: fixed;
    top: 10px;
    right: 10px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: #D4AF37;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    z-index: 10000;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.preload-indicator.show {
    opacity: 1;
    transform: translateX(0);
}

/* 自定义动画 */
@keyframes vm-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(255, 215, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
    }
}

@keyframes vm-glow {
    0%, 100% {
        text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
    }
    50% {
        text-shadow: 0 0 20px rgba(255, 215, 0, 0.8), 0 0 30px rgba(184, 134, 11, 0.6);
    }
}

@keyframes vm-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 特殊效果类 */
.vm-pulse {
    animation: vm-pulse 2s infinite;
}

.vm-glow-text {
    animation: vm-glow 3s ease-in-out infinite;
}

.vm-float {
    animation: vm-float 4s ease-in-out infinite;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--vm-black);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--vm-gold), var(--vm-gold-dark));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--vm-gold);
}

/* 主题切换适配 - 调整黑色背景类在浅色主题中的表现 */
:root[data-theme='light'] .bg-black\/20 {
    background-color: rgba(17, 17, 17, 0.06) !important;
}

:root[data-theme='light'] .bg-black\/30 {
    background-color: rgba(17, 17, 17, 0.08) !important;
}

:root[data-theme='light'] .bg-black\/40 {
    background-color: rgba(17, 17, 17, 0.1) !important;
}

:root[data-theme='light'] .bg-black\/50 {
    background-color: rgba(17, 17, 17, 0.14) !important;
}

:root[data-theme='light'] .bg-black {
    background-color: #f4f5f7 !important;
}

:root[data-theme='light'] [class*="bg-gray-900"] {
    background-color: rgba(17, 17, 17, 0.08) !important;
}

:root[data-theme='light'] [class*="bg-black/"],
:root[data-theme='light'] [class*="bg-gray-900"] {
    background-image: none !important;
}

:root[data-theme='light'] [class*="from-black"],
:root[data-theme='light'] [class*="from-gray-900"] {
    --tw-gradient-from: rgba(17, 17, 17, 0.08) !important;
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(17, 17, 17, 0.02)) !important;
}

:root[data-theme='light'] [class*="via-black"],
:root[data-theme='light'] [class*="via-gray-900"] {
    --tw-gradient-stops: var(--tw-gradient-from, rgba(17, 17, 17, 0.05)), rgba(17, 17, 17, 0.03), var(--tw-gradient-to, rgba(17, 17, 17, 0.02)) !important;
}

:root[data-theme='light'] [class*="to-black"],
:root[data-theme='light'] [class*="to-gray-900"] {
    --tw-gradient-to: rgba(17, 17, 17, 0.02) !important;
}

/* 浅色主题下强制使用纯白背景，移除深色覆盖层 */
html.vm-theme-light,
body.vm-theme-light,
:root[data-theme='light'] body {
    background-color: #ffffff !important;
    background-image: none !important;
}

/* 浅色主题为每个版块使用统一纯白背景 */
:root[data-theme='light'] .vm-section {
    background-color: #ffffff !important; /* 统一使用纯白背景 */
    box-shadow: none; /* 去除阴影 */
}

:root[data-theme='light'] section.vm-section:nth-of-type(even) {
    background-color: #ffffff !important; /* 偶数区块也保持纯白 */
}

:root[data-theme='light'] section.vm-section + section.vm-section {
    border-top: none; /* 去除分隔线 */
}

:root[data-theme='light'] .vm-section > .absolute.inset-0 {
    display: none !important; /* 隐藏装饰背景层 */
}

:root[data-theme='light'] #hero {
    background-color: #ffffff !important; /* 首屏也使用纯白背景 */
}

/* 浅色主题文本对比增强，避免金色与灰阶在白底上发虚 */
.vm-theme-light .text-gray-100,
.vm-theme-light .text-gray-200,
.vm-theme-light .text-gray-300 {
    color: rgba(17, 17, 17, 0.85) !important;
}

.vm-theme-light .text-gray-400,
.vm-theme-light .text-gray-500,
.vm-theme-light .text-gray-600 {
    color: rgba(17, 17, 17, 0.78) !important;
}

.vm-theme-light .text-white {
    color: var(--vm-text-primary, #111111) !important;
}

.vm-theme-light .text-yellow-400 {
    color: #b8860b !important;
}

.vm-theme-light .vm-gradient-text,
.vm-theme-light .vm-hero-glass-text {
    color: #111827 !important; /* 使用深灰色提升浅色主题下的文字对比度 */
    background: none !important; /* 取消金色渐变背景，避免视觉噪点 */
    -webkit-text-fill-color: initial !important;
    text-shadow: none;
}

/* 浅色主题 CTA 与导航按钮配色优化：默认更浅金色，悬停时加深 */
.vm-theme-light .vm-button {
    background: linear-gradient(135deg, #f8e4b1, #f0c968) !important; /* 浅金渐变作为默认状态 */
    color: #4a3410 !important;
}

.vm-theme-light .vm-button:hover {
    background: linear-gradient(135deg, #e6be54, #c98f16) !important; /* 悬停时使用更深金色营造反馈 */
    color: #332407 !important;
}

.vm-theme-light #hero-buttons a {
    background: linear-gradient(135deg, #fdf1c7, #f2cf6d) !important; /* 英雄区主按钮采用浅金基调 */
    color: #3b2a0b !important;
}

.vm-theme-light #hero-buttons a:hover {
    background: linear-gradient(135deg, #e7b84d, #c98512) !important; /* 悬停时加深金色，突出互动感 */
    color: #241804 !important;
}

.vm-theme-light .premium-button {
    background: linear-gradient(135deg, #f8e4b1, #f0c968, #e0b24b) !important; /* 重新定义浅色金色渐变 */
    color: #3c2a0c !important;
}

.vm-theme-light .premium-button:hover {
    background-position: 100% 100% !important;
    background-image: linear-gradient(135deg, #e6be54, #c98f16, #a56b06) !important; /* 悬停时加深色泽 */
    color: #241804 !important;
    box-shadow: 0 16px 32px rgba(201, 143, 22, 0.25), 0 0 24px rgba(201, 143, 22, 0.2) !important;
}

/* 虚空×有物板块浅色主题高级感优化：更柔和的卡片与更大的留白 */
.vm-theme-light #philosophy {
    padding-top: 10rem;
    padding-bottom: 10rem;
}

.vm-theme-light #philosophy .grid {
    gap: 6rem 5rem !important; /* 调整网格间距，拉开层级关系 */
}

.vm-theme-light #philosophy .luxury-card {
    background: rgba(255, 252, 244, 0.96) !important; /* 奶油色底，契合浅色调 */
    backdrop-filter: blur(18px);
    border-color: rgba(184, 134, 11, 0.18) !important;
    padding: 4rem 3.5rem !important;
    box-shadow: 0 28px 80px rgba(17, 24, 39, 0.08);
    transform: translateY(0) !important;
}

.vm-theme-light #philosophy .luxury-card:hover {
    background: rgba(255, 248, 230, 0.98) !important;
    border-color: rgba(184, 134, 11, 0.3) !important;
    transform: translateY(-6px) !important;
    box-shadow: 0 40px 110px rgba(184, 134, 11, 0.16);
}

.vm-theme-light #philosophy .luxury-card .space-y-6 > * + * {
    margin-top: 2.25rem !important; /* 加大段落呼吸感 */
}

.vm-theme-light #philosophy .luxury-card .text-lg {
    line-height: 1.9 !important;
}

.vm-theme-light #philosophy .group:hover .vm-gradient-text {
    transform: scale(1.04) !important; /* 降低放大比例，保持优雅克制 */
}

:root[data-theme='light'] .bg-gradient-radial {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0)) !important;
}

/* 选择文本样式 */
::selection {
    background: rgba(255, 215, 0, 0.3);
    color: #fff;
}

::-moz-selection {
    background: rgba(255, 215, 0, 0.3);
    color: #fff;
}

/* 图片加载效果 */
.vm-image-placeholder {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.1) 25%, rgba(184, 134, 11, 0.1) 50%, rgba(255, 215, 0, 0.1) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 移动端优化 */
@media (max-width: 768px) {
    .vm-hero-title {
        font-size: 3rem !important;
    }
    
    .vm-section {
        min-height: 80vh;
        padding: 2rem 0;
    }
    
    .vm-chart-container {
        margin: 1rem 0;
        border-color: rgba(212, 175, 55, 0.4) !important;
    }
    
    .vm-parallax {
        transform: none !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .vm-gradient-text {
        color: #fff !important;
        background: none !important;
        -webkit-text-fill-color: #fff !important;
    }
    
    .vm-card {
        border: 2px solid #fff !important;
    }
}

/* 减少动画偏好支持 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 深色模式增强：仅在未显式切换为浅色主题时响应系统偏好 */
@media (prefers-color-scheme: dark) {
    html:not([data-theme='light']) body {
        background-color: #000;
    }
}

/* 高端首屏效果 */
.bg-gradient-radial {
    background: radial-gradient(circle at center, var(--tw-gradient-stops));
}

.animation-delay-1000 {
    animation-delay: 1s;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

/* 高端字体效果 */
.font-extralight {
    font-weight: 200;
}

.tracking-widest-plus {
    letter-spacing: 0.4em;
}

/* 高端按钮效果 */
.luxury-button {
    background: linear-gradient(135deg, #C9AA71, #D4AF37, #B8860B);
    background-size: 200% 200%;
    transition: all 0.5s ease;
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.3);
}

.luxury-button:hover {
    background-position: 100% 100%;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 64px rgba(212, 175, 55, 0.4);
}

/* 优雅的分割线 */
.vm-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #D4AF37, transparent);
}

/* 高端卡片效果 */
.luxury-card {
    background: var(--vm-card-bg, rgba(0, 0, 0, 0.4));
    backdrop-filter: blur(20px);
    border: 1px solid var(--vm-card-border, rgba(212, 175, 55, 0.2));
    transition: all 0.4s ease;
}

.luxury-card:hover {
    background: var(--vm-card-hover-bg, rgba(0, 0, 0, 0.6));
    border-color: var(--vm-card-border-hover, rgba(212, 175, 55, 0.5));
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.18);
}

/* 数据展示效果 */
.stats-number {
    background: linear-gradient(135deg, #D4AF37, #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

/* 打印样式 */
@media print {
    body {
        background: white !important;
        color: black !important;
    }
    
    .vm-gradient-text {
        color: black !important;
        background: none !important;
        -webkit-text-fill-color: black !important;
    }
    
    .vm-nav,
    .vm-button,
    .cursor-glow {
        display: none !important;
    }
}

/* 图表容器专用样式 */
.vm-chart-container {
    background: var(--vm-card-bg, rgba(0, 0, 0, 0.4));
    backdrop-filter: blur(20px);
    border: 1px solid var(--vm-card-border, rgba(212, 175, 55, 0.3));
    transition: all 0.4s ease;
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.1);
    position: relative;
    overflow: hidden;
}

.vm-chart-container:hover {
    border-color: var(--vm-card-border-hover, rgba(212, 175, 55, 0.6));
    box-shadow: 0 16px 64px rgba(212, 175, 55, 0.2);
    transform: translateY(-2px);
}

/* 图表响应式优化 */
@media (max-width: 768px) {
    .vm-chart-container {
        padding: 0.5rem !important;
        margin: 0.5rem 0 !important;
    }
    
    #cognitive-chart {
        height: 300px !important;
    }
}

@media (max-width: 480px) {
    #cognitive-chart {
        height: 250px !important;
    }
}

/* 图表加载动画 */
.vm-chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.2), transparent);
    transition: left 0.8s ease;
    pointer-events: none;
}

.vm-chart-container:hover::before {
    left: 100%;
}