/* 动态导航栏组件样式 - 基于new.html的导航栏设计 */

/* 基础导航栏样式 */
.header {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 100;
    background-color: transparent;
    transition: all 0.3s ease;
    padding: 15px 0;
}

/* 初始状态 - 透明背景 */
.header .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header .logo {
    margin: 7px 0;
    height: 60px;
    width: 165px;
}

/* Logo切换逻辑 */
.header .logo img {
    transition: opacity 0.3s ease;
}

.header .logo .logo-transparent {
    opacity: 1;
    display: block;
}

.header .logo .logo-white {
    opacity: 0;
    display: none;
}

/* Sticky状态下的Logo切换 */
.header.sticky .logo .logo-transparent {
    opacity: 0;
    display: none;
}

.header.sticky .logo .logo-white {
    opacity: 1;
    display: block;
}

/* 导航菜单样式 */
.header .navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.header .navigation .main-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

.header .navigation .main-menu > .menu-item {
    margin: 0 5px;
    position: relative;
}

/* 初始状态 - 白色文字 */
.header .navigation .main-menu > .menu-item > a {
    color: var(--thm-white, #ffffff);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    text-transform: uppercase;
    font-weight: 500;
    padding: 12px 15px;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
}

.header .navigation .main-menu > .menu-item > a:hover,
.header .navigation .main-menu > .menu-item > a.active {
    color: var(--thm-color-one, #d72323);
    font-weight: 500;
}

/* Sticky状态 - 黑色文字 */
.header.sticky .navigation .main-menu > .menu-item > a {
    color: var(--thm-black, #000000);
}

.header.sticky .navigation .main-menu > .menu-item > a:hover,
.header.sticky .navigation .main-menu > .menu-item > a.active {
    color: var(--thm-color-one, #d72323);
}

/* 子菜单样式 */
.header .navigation .main-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #ffffff !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    padding: 10px 0;
    margin: 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 999;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.header .navigation .main-menu .menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header .navigation .main-menu .sub-menu .menu-item {
    margin: 0;
}

.header .navigation .main-menu .sub-menu .menu-item a {
    color: #333333;
    font-size: 14px;
    padding: 8px 20px;
    display: block;
    text-transform: none;
    transition: all 0.3s ease;
    background-color: transparent;
}

.header .navigation .main-menu .sub-menu .menu-item a:hover {
    color: var(--thm-color-one, #d72323);
    background: rgba(215, 35, 35, 0.1);
}

/* 三级菜单样式 */
.header .navigation .main-menu .sub-menu .menu-item-has-children {
    position: relative;
}

.header .navigation .main-menu .sub-menu .menu-item-has-children .sub-menu {
    top: 0;
    left: 100%;
    margin-left: 5px;
}

/* 头部操作区域 */
.header .header_action {
    margin-left: 20px;
}

.header .header_btn {
    background: var(--thm-color-one, #d72323);
    color: var(--thm-white, #ffffff);
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.header .header_btn:hover {
    background: var(--thm-color-two, #2c3e50);
    color: var(--thm-white, #ffffff);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 汉堡菜单 - 重新设计 */
.header .hamburger {
    display: none;
    cursor: pointer;
    margin-left: 20px;
    z-index: 1000;
    position: relative;
    background: none;
    border: none;
    outline: none;
}

.header .hamburger_btn {
    width: 40px;
    height: 40px;
    position: relative;
    background: var(--thm-color-one, #d72323);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(215, 35, 35, 0.3);
}

.header .hamburger_btn:hover {
    background: var(--thm-color-two, #2c3e50);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.4);
}

.header .hamburger_btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(215, 35, 35, 0.4);
}

.header .hamburger_btn .hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--thm-white, #ffffff);
    border-radius: 2px;
    margin: 2px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* 激活状态动画 */
.header .hamburger_btn.active {
    background: var(--thm-color-two, #2c3e50);
    transform: rotate(90deg);
}

.header .hamburger_btn.active .hamburger-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.header .hamburger_btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.header .hamburger_btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Sticky状态样式 */
.header.sticky {
    background: var(--thm-white, #ffffff);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

/* Sticky状态下的汉堡菜单样式 */
.header.sticky .hamburger_btn {
    background: var(--thm-color-one, #d72323);
    box-shadow: 0 2px 8px rgba(215, 35, 35, 0.3);
}

.header.sticky .hamburger_btn:hover {
    background: var(--thm-color-two, #2c3e50);
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.4);
}

.header.sticky .hamburger_btn .hamburger-line {
    background: var(--thm-white, #ffffff);
}

/* 响应式设计 */
@media (max-width: 991px) {
    .header .navigation {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--thm-white, #ffffff);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 80px 20px 20px;
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }

    .header .navigation.active {
        left: 0;
    }

    .header .navigation .main-menu {
        flex-direction: column;
        width: 100%;
        max-width: 400px;
    }

    .header .navigation .main-menu > .menu-item {
        margin: 5px 0;
        width: 100%;
    }

    .header .navigation .main-menu > .menu-item > a {
        color: var(--thm-black, #000000);
        font-size: 16px;
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
        text-align: center;
    }

    .header .navigation .main-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #ffffff !important;
        margin: 0;
        border-radius: 0;
        border: 1px solid rgba(0, 0, 0, 0.05);
    }

    .header .navigation .main-menu .sub-menu .menu-item a {
        padding: 10px 30px;
        font-size: 14px;
        color: #333333;
        background-color: transparent;
    }
    
    .header .navigation .main-menu .sub-menu .menu-item a:hover {
        color: var(--thm-color-one, #d72323);
        background-color: rgba(215, 35, 35, 0.1);
    }

    .header .hamburger {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .header .hamburger_btn {
        width: 45px;
        height: 45px;
        background: var(--thm-color-one, #d72323);
        border-radius: 10px;
        box-shadow: 0 3px 10px rgba(215, 35, 35, 0.4);
    }

    .header .hamburger_btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 15px rgba(44, 62, 80, 0.5);
    }

    .header .hamburger_btn .hamburger-line {
        width: 22px;
        height: 3px;
        margin: 2.5px 0;
    }

    .header .header_action {
        margin-left: 0;
        margin-top: 20px;
    }
}

@media (max-width: 576px) {
    .header {
        padding: 10px 0;
    }

    .header .logo {
        height: 50px;
        width: 140px;
    }

    .header .navigation {
        padding: 60px 15px 15px;
    }

    .header .navigation .main-menu > .menu-item > a {
        font-size: 14px;
        padding: 12px 15px;
    }

    .header .header_btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}

/* 动画效果 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header .navigation .main-menu .sub-menu {
    animation: fadeInDown 0.3s ease;
}

/* 加载状态 */
.header.loading .navigation .main-menu {
    opacity: 0.5;
    pointer-events: none;
}

.header.loading .navigation .main-menu::after {
    content: 'Loading...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--thm-color-one, #d72323);
    font-size: 14px;
}

/* 错误状态 */
.header.error .navigation .main-menu {
    opacity: 0.7;
}

.header.error .navigation .main-menu::after {
    content: 'Navigation Error';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #dc3545;
    font-size: 14px;
}

/* 折叠按钮增强动画效果 */
@keyframes hamburgerPulse {
    0% {
        box-shadow: 0 2px 8px rgba(215, 35, 35, 0.3);
    }
    50% {
        box-shadow: 0 4px 16px rgba(215, 35, 35, 0.5);
    }
    100% {
        box-shadow: 0 2px 8px rgba(215, 35, 35, 0.3);
    }
}

.header .hamburger_btn:focus {
    outline: none;
    animation: hamburgerPulse 1.5s ease-in-out infinite;
}

.header .hamburger_btn:focus:not(:active) {
    animation-play-state: paused;
}

/* 折叠按钮加载状态 */
.header .hamburger_btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.header .hamburger_btn.loading .hamburger-line {
    animation: hamburgerLoading 1s ease-in-out infinite;
}

@keyframes hamburgerLoading {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* 折叠按钮成功状态 */
.header .hamburger_btn.success {
    background: #28a745;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.header .hamburger_btn.success:hover {
    background: #218838;
    box-shadow: 0 4px 12px rgba(33, 136, 56, 0.4);
}

/* 折叠按钮错误状态 */
.header .hamburger_btn.error {
    background: #dc3545;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.header .hamburger_btn.error:hover {
    background: #c82333;
    box-shadow: 0 4px 12px rgba(200, 35, 51, 0.4);
}

/* 自定义属性 */
:root {
    --thm-white: #ffffff;
    --thm-black: #000000;
    --thm-color-one: #d72323;
    
}