Struct MediaQuery 

pub struct MediaQuery {
    pub media_type: String,
    pub conditions: Vec<String>,
}

✅ 新增：媒体查询条件

Fields

media_type: String

媒体类型：screen, print, all 等

conditions: Vec<String>

条件表达式：(min-width: 768px) 等

Implementations

impl MediaQuery

pub fn parse(query: &str) -> Self

解析媒体查询字符串，如 “screen and (min-width: 768px)”

pub fn matches(&self, viewport_width: f32, viewport_height: f32) -> bool

检查媒体查询是否匹配当前视口

Trait Implementations

impl Clone for MediaQuery

fn clone(&self) -> MediaQuery

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MediaQuery

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.