:root {
    --primary-blue: #0066ff;
    --primary-purple: #7c3aed;
    --accent-cyan: #0066ff;
    --accent-pink: #f43f5e;
    --dark-bg: #ffffff;
    --darker-bg: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(0, 0, 0, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient-2: linear-gradient(135deg, #0066ff 0%, #7c3aed 100%);
    --gradient-3: linear-gradient(135deg, #0066ff 0%, #7c3aed 100%);
    --gradient-hot: linear-gradient(135deg, #f43f5e 0%, #f97316 100%);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family:helvetica neue,arial,hiragino sans gb,microsoft yahei ui,microsoft yahei,simsun,sans-serif!important;
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--darker-bg); }
::-webkit-scrollbar-thumb { background: var(--gradient-2); border-radius: 4px; }

/* 粒子背景 btdz开头 */
.btdz-particles-wrap { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.btdz-particle-item {
    position: absolute;
    border-radius: 50%;
    box-shadow: inset 0 0 25px rgba(255,255,255,0.35);
    animation: btdz-float 22s infinite ease-in-out;
}
@keyframes btdz-float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.18; }
    25% { transform: translateY(-50px) translateX(30px); opacity: 0.52; }
    50% { transform: translateY(25px) translateX(-40px); opacity: 0.22; }
    75% { transform: translateY(-30px) translateX(20px); opacity: 0.39; }
}

/* Banner区域 */
.btdz-banner-box {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 0;
    background: linear-gradient(145deg,#fff1f6 0%,#f7f9ff 100%);
}
.btdz-banner-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 50%), radial-gradient(ellipse at 80% 50%, rgba(0, 102, 255, 0.08) 0%, transparent 50%)
}
.btdz-banner-grid {
    position: absolute;
    inset: 0;
    /*background-image: linear-gradient(rgba(220,80,120,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(220,80,120,0.06) 1px, transparent 1px);*/
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.btdz-banner-content { text-align: center; z-index: 2; max-width: 1000px; padding: 0 2rem; }
.btdz-badge-tag {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(244, 63, 94, 0.12); border: 1px solid rgba(244, 63, 94, 0.35);
    color: var(--accent-pink); padding: 0.5rem 1.5rem; border-radius: 50px;
    font-size: 0.9rem; font-weight: 600; margin-bottom: 2rem;
    animation: btdz-pulse 2s infinite;
}
@keyframes btdz-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.2); } 50% { box-shadow: 0 0 0 15px rgba(244, 63, 94, 0); } }
.btdz-banner-h1 {
    font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 900; line-height: 1.1; margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #c81830 0%, #0066ff 50%, #7c3aed 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}
.btdz-banner-subtext { font-size: clamp(1rem, 2.5vw, 1.3rem); color: var(--text-secondary); margin-bottom: 1rem; }
.btdz-stat-row { display: flex; justify-content: center; gap: 5rem; margin-bottom: 2rem; flex-wrap: wrap; }
.btdz-stat-item { text-align: center; }
.btdz-stat-num { font-size: 2.5rem; font-weight: 900; background: var(--gradient-3); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.btdz-stat-desc { font-size: 0.9rem; color: var(--text-muted); margin-top: 0.25rem; }
.btdz-btn-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btdz-btn-primary {
    display:inline-block;
    background: var(--gradient-2); color: white; padding: 1rem 2.5rem; border-radius: 50px;
    text-decoration: none; font-weight: 700; font-size: 1.1rem;
    transition: all 0.3s; box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
    position: relative; overflow: hidden;
}
.btdz-btn-primary::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent); transition: left 0.5s; }
.btdz-btn-primary:hover::before { left: 100%; }
.btdz-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0, 102, 255, 0.4); }
.btdz-btn-secondary {
    display:inline-block;
    background: transparent; color: var(--text-primary); padding: 1rem 2.5rem; border-radius: 50px;
    text-decoration: none; font-weight: 700; font-size: 1.1rem; border: 2px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}
.btdz-btn-secondary:hover { border-color: var(--accent-cyan); background: rgba(0, 102, 255, 0.05); transform: translateY(-3px); }

/* 通用区块样式 */
.btdz-block-wrap {padding:90px 0; width:100%;}
.btdz-container {max-width:1350px; margin:0 auto; padding:0 15px; width:100%;}
.btdz-block-white {background:#ffffff;}
.btdz-block-purple {background:#f7f9ff;}
.btdz-block-head { text-align: center; margin-bottom: 3rem; }
.btdz-tag-small {
    display: inline-block; background: rgba(0, 102, 255, 0.1); border: 1px solid rgba(0, 102, 255, 0.2);
    color: var(--primary-blue); padding: 0.4rem 1.2rem; border-radius: 50px;
    font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 1px;
}
.btdz-block-title { font-size:36px; font-weight:900; margin-bottom:1rem; line-height:1.2; color: var(--text-primary); text-align:center;}
.btdz-gradient-text { background: var(--gradient-3); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.btdz-block-desc { color: #666; font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* 卡片通用 */
.btdz-glass-card {
    background: #fff; backdrop-filter: blur(0px); border: 1px solid var(--glass-border);
    border-radius: 24px; padding: 2rem; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative; overflow: hidden; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}
.btdz-glass-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--primary-blue), transparent); opacity: 0; transition: opacity 0.3s; }
.btdz-glass-card:hover { transform: translateY(-8px) scale(1.02); border-color: rgba(0, 102, 255, 0.3); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1); }
.btdz-glass-card:hover::before { opacity: 1; }
.btdz-card-hot { border-color: rgba(244, 63, 94, 0.3); }
.btdz-hot-label { position: absolute; top: 1rem; right: 1rem; background: var(--gradient-hot); color: white; padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.75rem; font-weight: 700; z-index: 2; }

/* IDC产品区域 */
.btdz-tab-group { display: flex; gap: 1rem; margin-bottom: 2rem; flex-wrap: wrap; justify-content: center; }
.btdz-tab-btn { background: rgba(0, 0, 0, 0.03); border: 1px solid var(--glass-border); color: var(--text-secondary); padding: 0.75rem 1.5rem; border-radius: 50px; cursor: pointer; font-weight: 600; transition: all 0.3s; font-family: inherit; font-size: 0.95rem; }
.btdz-tab-active, .btdz-tab-btn:hover { background: var(--gradient-2); color: white; border-color: transparent; box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3); }
.btdz-pro-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.btdz-pro-name { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
.btdz-pro-location { display: inline-flex; align-items: center; gap: 0.3rem; background: rgba(0, 102, 255, 0.08); color: var(--primary-blue); padding: 0.2rem 0.8rem; border-radius: 50px; font-size: 0.8rem; margin-bottom: 1rem; }
.btdz-pro-spec-list { list-style: none; margin: 1rem 0; padding-left: 0px}
.btdz-pro-spec-item { display: flex; justify-content: space-between; padding: 0.5rem 0; border-bottom: 1px solid rgba(0, 0, 0, 0.05); font-size: 0.9rem; color: var(--text-secondary); }
.btdz-pro-spec-val { color: var(--text-primary); font-weight: 600; }
.btdz-pro-price-box { margin: 1.5rem 0; display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.btdz-price-old { text-decoration: line-through; color: var(--text-muted); font-size: 1rem; }
.btdz-price-now { font-size: 2rem; font-weight: 900; background: var(--gradient-hot); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.btdz-price-unit { color: var(--text-muted); font-size: 0.9rem; }
.btdz-pro-btn-row { display: flex; gap: 0.75rem; margin-top: 1rem; }
.btdz-pro-buy { flex: 1; background: var(--gradient-2); color: white; padding: 0.75rem 2rem; border-radius: 16px; text-decoration: none; font-weight: 700; text-align: center; transition: all 0.3s; font-size: 0.95rem; }
.btdz-pro-buy:hover { transform: scale(1.05); box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3); }
.btdz-pro-consult { flex: 1; background: rgba(0, 0, 0, 0.03); color: var(--text-secondary); padding: 0.75rem; border-radius: 16px; text-decoration: none; font-weight: 600; text-align: center; border: 1px solid var(--glass-border); transition: all 0.3s; font-size: 0.95rem; }
.btdz-pro-consult:hover { background: rgba(0, 102, 255, 0.08); border-color: var(--accent-cyan); color: var(--primary-blue); }

/* 全球资源模块 */
.btdz-global-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.btdz-global-stat-card { text-align: center;  }
.btdz-stat-icon { width: 60px; height: 60px; margin: 0 auto 1rem; background: var(--gradient-2); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; box-shadow: 0 8px 25px rgba(0, 102, 255, 0.2); }
.btdz-stat-bignum { font-size: 2rem; font-weight: 900; color: #0066ff; margin-bottom: 0.5rem; }
.btdz-stat-txt { color: var(--text-secondary); font-size: 0.95rem; }
.btdz-map-box { position: relative;  background: #fff; border-radius: 24px;  overflow: hidden; display: flex; align-items: center; justify-content: center; }
.btdz-map-node-wrap { position: relative; width: 100%; height: 100%; }
.btdz-map-dot { position: absolute; width: 12px; height: 12px; background: var(--accent-cyan); border-radius: 50%; box-shadow: 0 0 20px var(--accent-cyan); animation: btdz-nodePulse 3s infinite; }
@keyframes btdz-nodePulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: 0.5; } }
.btdz-map-dot::after { content: ''; position: absolute; inset: -8px; border: 2px solid var(--accent-cyan); border-radius: 50%; animation: btdz-nodeRipple 3s infinite; }
@keyframes btdz-nodeRipple { 0% { transform: scale(0.5); opacity: 1; } 100% { transform: scale(2); opacity: 0; } }
.btdz-platform-title{font-size:1.5rem; margin-bottom:1.5rem; text-align:center;font-weight: 600}
.btdz-platform-row { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; }
.btdz-platform-item { background: white; padding: 0.75rem 1.5rem; border-radius: 50px; border: 1px solid var(--glass-border); font-weight: 600; color: var(--text-primary); box-shadow: 0 2px 8px rgba(0,0,0,0.05); }

/* AI算力模块 */
#btdzAi{background:#f7f9fd url("images/btdz-bg1.png") top right no-repeat;}
.btdz-ai-subtitle{font-size: 1.5rem; font-weight: 800; margin-bottom: 2rem; text-align: center;}
.btdz-ai-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.btdz-ai-card { padding: 2.5rem; }
.btdz-ai-icon { width: 70px; height: 70px; background: var(--gradient-2); border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 1.5rem; box-shadow: 0 10px 30px rgba(0, 102, 255, 0.2); }
.btdz-ai-name { font-size: 1.3rem; font-weight: 800; margin-bottom: 1rem; }
.btdz-ai-desc { color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.7;font-size: 14px }
.btdz-product-actions { display: flex; gap: 0.75rem; margin-top: 1rem; }
.btdz-btn-consult { flex: 1; background: rgba(0, 0, 0, 0.03); color: var(--text-secondary); padding: 0.75rem; border-radius: 16px; text-decoration: none; font-weight: 600; text-align: center; border: 1px solid var(--glass-border); cursor: pointer; transition: all 0.3s; font-size: 0.95rem; }
.btdz-btn-consult:hover { background: rgba(0, 102, 255, 0.08); border-color: var(--accent-cyan); color: var(--primary-blue); }
.btdz-ai-feature-list { list-style: none; margin-bottom: 1.5rem;padding-left: 0 }
.btdz-ai-feature-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0; color: var(--text-secondary); font-size: 0.875rem; }
.btdz-ai-feature-item::before { content: '\2713'; color: var(--success); font-weight: 700; }
.btdz-spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0; padding: 1rem; background: rgba(0, 0, 0, 0.02); border-radius: 16px; }
.btdz-spec-item { font-size: 0.875rem; color: var(--text-secondary); }
.btdz-spec-bold { color: var(--text-primary); font-weight: bold}
.btdz-table-wrap { overflow-x: auto; border-radius: 20px; border: 1px solid var(--glass-border); margin-top: 2rem; background: white; }
.btdz-gpu-table { width: 100%; border-collapse: collapse; min-width: 800px; }
.btdz-table-th { background: rgba(0, 102, 255, 0.05); padding: 1.2rem 1.5rem; text-align: left; font-weight: 700; color: var(--primary-blue); border-bottom: 1px solid var(--glass-border); }
.btdz-table-td { padding: 1.5rem; border-bottom: 1px solid rgba(0, 0, 0, 0.05); color: var(--text-secondary); }
.btdz-gpu-name { font-weight: 700; color: var(--text-primary); font-size: 0.88rem; }
.btdz-gpu-high { color: var(--primary-blue); font-weight: 600; }
.btdz-ai-pro-buy { flex: 1; background: var(--gradient-2); color: white; padding: 0.75rem 2rem; border-radius: 16px; text-decoration: none; font-weight: 700; text-align: center; transition: all 0.3s; font-size: 0.95rem; }
.btdz-ai-pro-buy:hover { transform: scale(1.05); box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3); }
/* 移动端适配 */
@media (max-width: 768px) {
    .btdz-table-td { padding: 0.7rem; font-size: 12px}
    .btdz-gpu-name{font-size: 12px}
    .btdz-ai-pro-buy{
        padding: 0.35rem ;
        border-radius: 5px;
        text-decoration: none;
        font-weight: 700;
        text-align: center;
        transition: all 0.3s;
        font-size: 12px;}
}

/* 安全板块 */
.btdz-safe-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.btdz-safe-card { padding: 2rem; text-align: center; }
.btdz-safe-icon { width: 80px; height: 80px; margin: 0 auto 1.5rem; background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(124, 58, 237, 0.1)); border-radius: 24px; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; border: 1px solid var(--glass-border); }

/* 须知区块 */
.btdz-notice-box { background: #fff2e8; border: 1px solid #f98630; border-radius: 16px; padding: 2rem; max-width: 1400px; margin:0 auto;}
.btdz-notice-title { display: flex; align-items: center; gap: 0.75rem; color: #ff6a00; font-weight: 700; font-size: 1.1rem; margin-bottom: 1rem; }
.btdz-notice-text { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8; }
.btdz-notice-text strong{color: #ff6a00}
.btdz-notice-high { color: var(--warning); font-weight:bold; }

/* 悬浮咨询 */
.btdz-float-btn { position: fixed; bottom: 2rem; right: 2rem; z-index: 999; background: var(--gradient-2); color: white; padding: 1rem 1.5rem; border-radius: 50px; text-decoration: none; font-weight: 700; box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3); transition: all 0.3s; display: flex; align-items: center; gap: 0.5rem; font-size: 1rem; }
.btdz-float-btn:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 8px 30px rgba(0, 102, 255, 0.4); }

/* 移动端适配 */
@media (max-width: 768px) {
    .btdz-stat-row { gap: 1.5rem; }
    .btdz-stat-num { font-size: 1.8rem; }
    .btdz-block-wrap {padding:60px 0;}
    .btdz-pro-grid { grid-template-columns: 1fr; }
    .btdz-ai-grid { grid-template-columns: 1fr; }
    .btdz-global-stat-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .btdz-float-btn { bottom: 1rem; right: 1rem; padding: 0.8rem 1.2rem; font-size: 0.9rem; }
    .btdz-block-title{font-size:28px;}
}

/* 地图容器外层 */
.aimodel-map-wrapper {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    position: relative;
    margin-top: 20px;
}
/* 地图容器伪元素阴影 */
.aimodel-map-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 14px;
    pointer-events: none;
    z-index: 1000;
}
/* 地图容器 */
#aimodel-global-map {
    height: 700px;
    width: 100%;
    background: #ffffff;
    position: relative;
    z-index: 1;
}
/* 节点样式 */
.aimodel-custom-node-icon {
    background: #0066ff;
    width: 14px !important;
    height: 14px !important;
    border-radius: 50%;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 6px 0 rgba(0, 102, 255, 0.3);
    transition: all 0.15s ease;
}
.aimodel-custom-node-icon:hover {
    transform: scale(1.3);
    background: #0052cc;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.4);
}
/* 节点脉冲动画 */
.aimodel-custom-node-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(0, 102, 255, 0.3);
    animation: aimodel-pulse 2s infinite ease-out;
    z-index: -1;
}
@keyframes aimodel-pulse {
    0% {
        width: 14px;
        height: 14px;
        opacity: 1;
    }
    100% {
        width: 30px;
        height: 30px;
        opacity: 0;
    }
}
/* 节点标签 */
.aimodel-leaflet-tooltip {
    background: rgba(255, 255, 255, 0.98) !important;
    border: 1px solid #e0e0e0 !important;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08) !important;
    font-weight: 400;
    font-size: 12px;
    color: #333 !important;
    padding: 5px 12px !important;
    border-radius: 20px !important;
    white-space: nowrap;
    font-family: 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif !important;
    letter-spacing: 0.3px;
}
/* Leaflet控件样式重置 */
.aimodel-leaflet-control-attribution {
    background-color: transparent !important;
    color: #ccc !important;
    font-size: 9px !important;
}
.aimodel-leaflet-control-attribution a {
    color: #aaa !important;
}
.aimodel-leaflet-control-zoom {
    border: none !important;
    background: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
    border-radius: 30px !important;
    overflow: hidden;
    border: 1px solid #f0f0f0 !important;
}
.aimodel-leaflet-control-zoom a {
    background: transparent !important;
    color: #888 !important;
    border: none !important;
    border-bottom: 1px solid #f0f0f0 !important;
    width: 36px !important;
    height: 36px !important;
    line-height: 36px !important;
    font-size: 18px !important;
}
.aimodel-leaflet-control-zoom a:hover {
    background: #f8f8f8 !important;
    color: #555 !important;
}
.aimodel-leaflet-control-zoom a:last-child {
    border-bottom: none !important;
}
.leaflet-left,
.leaflet-right{display: none}
/* 响应式适配 */
@media (max-width: 768px) {
    .aimodel-global-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    .aimodel-data-number {
        font-size: 28px;
    }
    .aimodel-data-desc {
        font-size: 14px;
    }
    .aimodel-data-row {
        gap: 25px;
        margin-bottom: 35px;
        margin-top: 20px;
    }
    #aimodel-global-map {
        height: 500px;
    }
}
@media (max-width: 576px) {
    .aimodel-global-section {
        padding: 40px 0;
    }
    .aimodel-data-item {
        flex: 1 1 140px;
    }
    .aimodel-data-number {
        font-size: 24px;
    }
    #aimodel-global-map {
        height: 400px;
    }
}
/*全球资源*/