/* ========================================
   统一页首样式 - 所有页面共享
   ======================================== */

/* --- 顶部联系栏 --- */
.top-bar {
    background: #1a1a2e;
    color: #fff;
    padding: 8px 0;
    font-size: 14px;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.top-bar a {
    color: #f0d060;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
}
.top-bar .top-info span {
    margin-right: 20px;
}
.top-bar .top-info .fa {
    margin-right: 5px;
    color: #f0d060;
}

/* --- Logo区域 --- */
.logo-section {
    background: #16213e;
    padding: 20px 0;
    text-align: center;
}
.logo-section a {
    color: #fff;
    text-decoration: none;
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 2px;
    display: inline-block;
    transition: color 0.3s;
}
.logo-section a:hover {
    color: #f0d060;
}

/* --- 导航栏 --- */
.main-nav {
    background: #0f3460;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.main-nav .menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
.main-nav .menu li {
    position: relative;
}
.main-nav .menu li a {
    display: block;
    padding: 15px 25px;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}
.main-nav .menu li a:hover,
.main-nav .menu li.active a {
    background: rgba(255,255,255,0.1);
    border-bottom-color: #f0d060;
    color: #f0d060;
}
.main-nav .toggle {
    display: none;
    color: #fff;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 18px;
}
.main-nav input[type="checkbox"] {
    display: none;
}

/* --- 响应式 --- */
@media (max-width: 991px) {
    .main-nav .menu li a {
        padding: 12px 15px;
        font-size: 14px;
    }
}
@media (max-width: 767px) {
    .logo-section a {
        font-size: 16px;
    }
    .main-nav .menu {
        display: none;
        flex-direction: column;
    }
    .main-nav input[type="checkbox"]:checked ~ .menu {
        display: flex;
    }
    .main-nav .toggle {
        display: block;
    }
    .main-nav .menu li a {
        padding: 12px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .top-bar .container {
        justify-content: center;
    }
}