/* ========================================
   重新设计的"我们的成就"模块
   基于 redesigned_icons_showcase.html 精确复制
======================================== */

/* 成就模块容器 */
.achievements-section {
    padding: 60px 0;
    background: #f8fafc;
    position: relative;
}

.achievements-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题样式 */
.achievements-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 50px;
    position: relative;
}

.achievements-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #2E7BFF 0%, #1d4ed8 100%);
    border-radius: 2px;
}

/* 图标网格布局 - 调整为更紧凑的布局，参考快速导航卡片尺寸 */
.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* 减小最小宽度 */
    gap: 24px; /* 减小间距 */
    max-width: 1000px; /* 减小最大宽度 */
    margin: 0 auto;
}

/* 图标卡片样式 - 调整为更紧凑的尺寸，参考快速导航卡片 */
.icon-card {
    background: white;
    border-radius: 16px; /* 稍微减小圆角 */
    padding: 20px 24px; /* 进一步减少内边距，参考快速导航卡片 */
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08); /* 减轻阴影 */
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
    /* 霓虹灯边框效果 */
    border-top: 4px solid transparent;
    background-clip: padding-box;
}

.icon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.icon-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.icon-card:hover::before {
    opacity: 1;
}

/* 统计图标样式 - 调整为与快速导航卡片相同的尺寸 */
.stats-icon {
    width: 60px; /* 从80px缩小到60px */
    height: 60px; /* 从80px缩小到60px */
    border-radius: 50%;
    margin: 0 auto 16px; /* 减少底部边距 */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stats-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, rgba(255,255,255,0.3), transparent);
    border-radius: 50%;
    z-index: 1;
}

.icon-card:hover .stats-icon {
    transform: scale(1.1);
}

/* 图标符号样式 - 调整尺寸 */
.icon-symbol {
    font-size: 1.6rem; /* 从2rem缩小到1.6rem */
    z-index: 2;
    position: relative;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

/* 统计图标颜色 - 精确复制参考文件 */
.users-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.activity-icon {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
}

.trophy-icon {
    background: linear-gradient(135deg, #ffd89b 0%, #f093fb 100%);
}

.satisfaction-icon {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

/* 霓虹灯边框效果 - 为每个卡片添加不同颜色的上边框 */
.icon-card:nth-child(1) {
    border-top: 4px solid;
    border-image: linear-gradient(90deg, #667eea, #764ba2, #667eea) 1;
    animation: neon-glow-purple 2s ease-in-out infinite alternate;
}

.icon-card:nth-child(2) {
    border-top: 4px solid;
    border-image: linear-gradient(90deg, #4ecdc4, #44a08d, #4ecdc4) 1;
    animation: neon-glow-teal 2s ease-in-out infinite alternate;
}

.icon-card:nth-child(3) {
    border-top: 4px solid;
    border-image: linear-gradient(90deg, #ffd89b, #f093fb, #ffd89b) 1;
    animation: neon-glow-pink 2s ease-in-out infinite alternate;
}

.icon-card:nth-child(4) {
    border-top: 4px solid;
    border-image: linear-gradient(90deg, #ff9a9e, #fecfef, #ff9a9e) 1;
    animation: neon-glow-rose 2s ease-in-out infinite alternate;
}

/* 霓虹灯动画效果 */
@keyframes neon-glow-purple {
    0% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 10px rgba(102, 126, 234, 0.3);
    }
    100% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 15px rgba(102, 126, 234, 0.6);
    }
}

@keyframes neon-glow-teal {
    0% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 10px rgba(78, 205, 196, 0.3);
    }
    100% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 15px rgba(78, 205, 196, 0.6);
    }
}

@keyframes neon-glow-pink {
    0% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 10px rgba(240, 147, 251, 0.3);
    }
    100% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 15px rgba(240, 147, 251, 0.6);
    }
}

@keyframes neon-glow-rose {
    0% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 10px rgba(255, 154, 158, 0.3);
    }
    100% {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1), 0 -2px 15px rgba(255, 154, 158, 0.6);
    }
}

/* 数字样式 - 调整尺寸并让字体变细 */
.icon-number {
    font-size: 2.4rem; /* 从3rem缩小到2.4rem */
    font-weight: 600; /* 从800减少到600，让字体变细 */
    color: #2E7BFF; /* 蓝色数字 */
    margin-bottom: 8px; /* 减少底部边距 */
    line-height: 1;
    font-family: 'Inter', 'Segoe UI', sans-serif;
}

/* 标签样式 - 调整尺寸 */
.icon-label {
    font-size: 1.1rem; /* 从1.2rem缩小到1.1rem */
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 8px; /* 减少底部边距 */
    line-height: 1.2;
}

/* 描述样式 - 调整尺寸 */
.icon-description {
    font-size: 0.85rem; /* 从0.9rem缩小到0.85rem */
    color: #64748b;
    line-height: 1.4;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .icon-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px; /* 调整间距 */
    }

    .icon-card {
        padding: 18px 20px; /* 调整内边距 */
    }

    .icon-number {
        font-size: 2.2rem; /* 调整数字大小 */
    }

    .stats-icon {
        width: 55px; /* 调整图标大小 */
        height: 55px;
        margin-bottom: 14px;
    }
}

@media (max-width: 768px) {
    .achievements-section {
        padding: 40px 0;
    }

    .achievements-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .icon-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px; /* 进一步减小间距 */
    }

    .icon-card {
        padding: 16px 18px; /* 移动端更紧凑 */
    }

    .stats-icon {
        width: 50px; /* 进一步缩小 */
        height: 50px;
        margin-bottom: 10px;
    }

    .icon-symbol {
        font-size: 1.3rem; /* 调整图标符号大小 */
    }

    .icon-number {
        font-size: 1.8rem; /* 调整数字大小 */
        margin-bottom: 6px;
    }

    .icon-label {
        font-size: 0.95rem; /* 调整标签大小 */
        margin-bottom: 6px;
    }

    .icon-description {
        font-size: 0.75rem; /* 调整描述大小 */
    }

    /* 移动端霓虹灯效果调整 */
    .icon-card:nth-child(1),
    .icon-card:nth-child(2),
    .icon-card:nth-child(3),
    .icon-card:nth-child(4) {
        border-top-width: 3px; /* 移动端边框稍细 */
    }
}

@media (max-width: 480px) {
    .icon-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .icon-card {
        padding: 15px 15px; /* 小屏幕设备更扁平 */
    }

    .stats-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 10px;
    }

    .icon-symbol {
        font-size: 1.2rem;
    }

    .icon-number {
        font-size: 1.8rem;
        margin-bottom: 6px;
    }

    .icon-label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .icon-description {
        font-size: 0.75rem;
    }

    /* 小屏幕霓虹灯效果进一步调整 */
    .icon-card:nth-child(1),
    .icon-card:nth-child(2),
    .icon-card:nth-child(3),
    .icon-card:nth-child(4) {
        border-top-width: 2px; /* 小屏幕边框更细 */
    }
}

/* 动画效果 */
.icon-card[data-animate="fadeInUp"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.icon-card[data-animate="fadeInUp"].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 降级处理 */
.fallback-display .icon-card,
body:not(.js-initialized) .icon-card {
    opacity: 1 !important;
    transform: none !important;
}