/* ========== 完全复用统一的全局样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

body {
    background-color: #f5f7fa;
    padding: 0;
    min-width: 1200px;
}

/* ========== 导航栏 ========== */
.navbar {
    background-color: #28a745;
    color: #fff;
    padding: 15px 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}
.navbar-container {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navbar-logo {
    font-size: 20px;
    font-weight: 700;
}
.navbar-menu {
    display: flex;
    gap: 30px;
}
.navbar-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.3s;
}
.navbar-menu a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* ========== 页脚 ========== */
.footer {
    background-color: #333;
    color: #ccc;
    padding: 20px 15px;
    margin-top: 40px;
}
.footer-container {
    max-width: 1920px;
    margin: 0 auto;
}
.footer-copyright {
    text-align: center;
    font-size: 12px;
    color: #999;
    line-height: 1.6;
}

/* ========== 容器 ========== */
.container {
    width: 98%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 15px;
}
.container-inner {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* ========== 模块 ========== */
.module {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 25px;
}
.title-btn-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e5e9f0;
}
.title-btn-container h2 {
    margin: 0;
    color: #2c3e50;
    font-size: 20px;
    padding-left: 10px;
    border-left: 4px solid #28a745;
}
.card-link-btn {
    display: inline-block;
    padding: 10px 20px;
    background: #28a745;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.2s;
}
.card-link-btn:hover {
    background: #218838;
}

/* ========== 表单 ========== */
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 14px;
}
.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #e5e9f0;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    max-width: 100%;
}
.form-control:focus {
    outline: none;
    border-color: #28a745;
    box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.2);
}
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}
.btn:hover {
    background-color: #218838;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}
.btn-success {
    background-color: #28a745;
}
.btn-reset {
    background: #6c757d !important;
}
.btn-reset:hover {
    background: #5a6268 !important;
}

/* ========== 结果区域 ========== */
.result-area {
    margin-top: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e5e9f0;
}
.result-pre {
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 400px;
    overflow-y: auto;
}

/* ========== 状态样式 ========== */
.delay-low { color: #28a745; font-weight: 500; }
.delay-mid { color: #f59e0b; font-weight: 500; }
.delay-high { color: #ef4444; font-weight: 500; }

/* ========== 导航下拉菜单 ========== */
.navbar-dropdown {
  position: relative;
  display: inline-block;
}
.navbar-submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  z-index: 9999;
  background: #ffffff;
  padding: 5px 0;
}
.navbar-submenu a {
  display: block;
  padding: 8px 15px;
  color: #333 !important;
  white-space: nowrap;
  text-decoration: none;
}
.navbar-submenu a:hover {
  background: #f5f5f5;
  color: #28a745 !important;
}
.navbar-dropdown:hover .navbar-submenu {
  display: block;
}

/* ========== 响应式（手机端） ========== */
@media only screen and (max-width: 767px) {
    body {
        min-width: unset;
        width: 100%;
        overflow-x: hidden;
    }
    .container {
        width: 100%;
        padding: 0 10px;
    }
    .container-inner {
        padding: 15px;
        margin: 10px auto;
        border-radius: 8px;
    }
    .navbar {
        padding: 10px 15px;
    }
    .navbar-container {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    .navbar-menu {
        gap: 10px;
        flex-wrap: wrap;
        width: 100%;
    }
    .navbar-menu a {
        font-size: 12px;
    }
    .title-btn-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .card-link-btn {
        width: 100%;
        text-align: center;
    }
    .module {
        padding: 15px;
        margin-bottom: 15px;
    }
    .btn {
        width: 100%;
        margin-bottom: 5px;
    }
    .result-area {
        padding: 12px;
    }
    .form-control {
        max-width: unset;
        width: 100%;
    }
    .module div[style*="display:flex"] {
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
}
        /* 加密工具副导航栏样式 - 与主导航统一风格 */
        .sub-navbar {
            background-color: #208838; /* 比主导航稍深一点的绿色，区分但统一 */
            color: #fff;
            padding: 10px 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 15px;
        }
        .sub-navbar-container {
            max-width: 1920px;
            margin: 0 auto;
            display: flex;
            justify-content: center; /* 居中显示 */
            align-items: center;
            gap: 25px;
            flex-wrap: wrap;
        }
        .sub-navbar-menu a {
            color: #fff;
            text-decoration: none;
            font-size: 14px;
            padding: 5px 10px;
            border-radius: 4px;
            transition: all 0.2s;
        }
        .sub-navbar-menu a:hover,
        .sub-navbar-menu a.active {
            background-color: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        
        /* 移动端适配副导航 */
        @media only screen and (max-width: 767px) {
            .sub-navbar {
                padding: 8px 15px;
            }
            .sub-navbar-container {
                gap: 10px;
                justify-content: flex-start;
            }
            .sub-navbar-menu a {
                font-size: 12px;
                padding: 4px 8px;
            }
        }