/* style.css - 前台样式 (科技感自适应) */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', 'Segoe UI', sans-serif; background: radial-gradient(circle at 20% 30%, #0c1b2f, #030711); color: #e0e7ff; line-height: 1.5; min-height: 100vh; }
a { color: #8ab4f8; text-decoration: none; transition: 0.2s; }
a:hover { color: #bbd7fb; }
.container { max-width: 1300px; margin: 0 auto; padding: 20px; }

/* 头部 */
.header { display: flex; align-items: center; justify-content: space-between; padding: 25px 0; flex-wrap: wrap; border-bottom: 1px solid rgba(255,255,255,0.1); }
.logo img { max-height: 50px; width: auto; }
.nav { display: flex; gap: 28px; flex-wrap: wrap; }
.nav a { color: #cfdfee; font-weight: 350; font-size: 1.1rem; letter-spacing: 0.5px; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { border-bottom-color: #3b82f6; color: white; }

/* 工具网格 */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 24px; margin: 40px 0; }
.tool-card { background: rgba(18, 30, 46, 0.7); backdrop-filter: blur(10px); border: 1px solid rgba(59,130,246,0.3); border-radius: 20px; padding: 20px 12px; text-align: center; transition: 0.25s; box-shadow: 0 10px 20px -10px rgba(0,0,0,0.8); }
.tool-card:hover { transform: translateY(-6px); border-color: #3b82f6; box-shadow: 0 18px 30px -8px #1e3a8a; }
.tool-logo { width: 80px; height: 80px; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; }
.tool-logo img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 12px; }
.tool-name { font-weight: 600; font-size: 1.1rem; color: white; margin: 8px 0 4px; }
.tool-desc { font-size: 0.85rem; color: #a0b8d4; margin-bottom: 15px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.tool-link { display: inline-block; background: #1e4a7a; color: white; padding: 6px 18px; border-radius: 40px; font-size: 0.9rem; font-weight: 500; border: 1px solid #3482d6; }
.tool-link:hover { background: #0f3b60; }

/* 底部 */
.footer { margin-top: 60px; padding: 35px 0 20px; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; color: #a0afc7; }
.footer-links { display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; margin-bottom: 25px; }
.footer-links a { color: #98aec6; }
.footer-links a:hover { color: white; }
.footer-info { font-size: 0.9rem; display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; row-gap: 8px; margin-top: 15px; }
.footer-info span { opacity: 0.8; }
.icp a, .gongan a { color: #8ab4f8; margin-left: 5px; }

/* 响应式 */
@media (max-width: 600px) {
    .header { flex-direction: column; gap: 15px; }
    .nav { justify-content: center; gap: 18px; }
    .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .tool-card { padding: 15px 6px; }
}