/* ===== topbar.css ===== */
/* 顶部信息栏样式 */

.top-bar {
    background-color: var(--color-primary);
    color: white;
    height: var(--layout-topbar-height);
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    font-size: var(--font-size-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-index-overlay);
    transform: translateY(0);
    transition: transform 0.4s var(--animation-easing);
    box-shadow: var(--shadow-sm);
}

@media (min-width: 769px) {
    .top-bar {
        display: flex;
    }
}

.top-bar.hidden {
    transform: translateY(-100%);
}

.top-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.welcome-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: -25px;
}

.welcome-text i {
    font-size: var(--font-size-md);
}

.top-bar-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.social-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.social-icon {
    color: white;
    font-size: var(--font-size-md);
    transition: all var(--animation-speed-fast);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.company-email {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: white;
    transition: color var(--animation-speed-fast);
}

.company-email:hover {
    color: rgba(255, 255, 255, 0.9);
}

.company-email i {
    font-size: var(--font-size-sm);
}

.top-contact-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-contact-link {
    font-size: var(--font-size-sm);
    color: white;
    transition: all var(--animation-speed-fast);
    cursor: pointer;
    white-space: nowrap;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

.top-contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

/* 修改后的样式 - 和联系我们按钮样式一致 */
.top-contact-link.quote {
    font-size: var(--font-size-sm);
    color: white;
    transition: all var(--animation-speed-fast);
    cursor: pointer;
    white-space: nowrap;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

.top-contact-link.quote:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

/* 顶部栏主题切换按钮 */
.top-bar-theme-toggle {
    background: none;
    border: none;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: background-color var(--animation-speed-fast), color var(--animation-speed-fast);
    border-radius: var(--radius-full);
    font-size: var(--font-size-md);
    touch-action: manipulation;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.top-bar-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* ===== 顶部栏语言选择器样式 ===== */
.top-bar .language-selector {
    position: relative;
    flex-shrink: 0;
}

/* 修改后的语言选择按钮样式 - 和联系我们按钮一致 */
.top-bar .language-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: all var(--animation-speed-fast);
    color: white;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    font-weight: var(--font-weight-normal);
    height: 28px;
    line-height: 1;
    margin: 0;
    position: relative;
    overflow: hidden;
    box-shadow: none;
    outline: none;
}

.top-bar .language-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
    box-shadow: none;
}

.top-bar .language-btn:active {
    transform: translateY(0);
}

/* 修改图标颜色为白色 */
.top-bar .language-btn i.fa-globe {
    font-size: 12px;
    color: white;
    position: relative;
    transition: all var(--animation-speed-fast);
    text-shadow: none;
}

.top-bar .language-btn:hover i.fa-globe {
    color: white;
    transform: scale(1.05);
    text-shadow: none;
}

/* 修改箭头颜色 */
.top-bar .language-btn i.arrow {
    font-size: 8px;
    margin-left: 3px;
    color: rgba(255, 255, 255, 0.7);
    opacity: 1;
    transition: all var(--animation-speed-fast);
}

.top-bar .language-btn:hover i.arrow {
    color: white;
    opacity: 1;
}

/* 修改文字颜色 */
.top-bar .language-btn .language-text {
    color: white;
    transition: color var(--animation-speed-fast);
}

.top-bar .language-btn:hover .language-text {
    color: white;
}

/* 移除之前的渐变背景效果 */
.top-bar .language-btn::before {
    display: none;
}

/* 移除浮动动画 */
.top-bar .language-btn:hover {
    animation: none;
}

/* 深色主题适配 */
[data-theme="dark"] .top-bar .language-btn {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

[data-theme="dark"] .top-bar .language-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .top-bar .language-btn i.fa-globe,
[data-theme="dark"] .top-bar .language-btn .language-text,
[data-theme="dark"] .top-bar .language-btn i.arrow {
    color: white;
}

[data-theme="dark"] .top-bar .language-btn:hover i.fa-globe,
[data-theme="dark"] .top-bar .language-btn:hover .language-text,
[data-theme="dark"] .top-bar .language-btn:hover i.arrow {
    color: white;
}

@keyframes gentleFloat {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-1px);
    }
    100% {
        transform: translateY(0);
    }
}

.top-bar .language-btn:hover {
    animation: gentleFloat 2s ease-in-out infinite;
}

.top-bar .language-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.03);
    padding: 6px 0;
    min-width: 140px;
    z-index: 2000;
    border: none;
    overflow: hidden;
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.top-bar .language-selector.dropdown-open .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.top-bar .language-item {
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #333;
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 400;
    position: relative;
    overflow: hidden;
}

.top-bar .language-item:hover {
    background: rgba(26, 86, 219, 0.06);
}

.top-bar .language-item.active {
    background: rgba(26, 86, 219, 0.1);
    color: var(--color-primary);
    font-weight: 500;
}

.top-bar .language-dropdown .language-item:not(:last-child) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.top-bar .flag-icon {
    width: 18px;
    height: 14px;
    border-radius: 2px;
    display: inline-block;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

/* ===== 国旗图标样式 ===== */
.flag-cn {
    background: #DE2910;
    position: relative;
}

.flag-cn::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 4px;
    height: 4px;
    background: #FFDE00;
    border-radius: 50%;
}

.flag-cn::after {
    content: '★';
    position: absolute;
    top: 1px;
    left: 5px;
    color: #FFDE00;
    font-size: 8px;
}

.flag-us {
    background: linear-gradient(
        to bottom,
        #B22234 33%,
        #FFFFFF 33%,
        #FFFFFF 66%,
        #B22234 66%
    );
    position: relative;
}

.flag-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background: #3C3B6E;
}

.flag-es {
    background: linear-gradient(
        to bottom,
        #C60B1E 33%,
        #FFC400 33%,
        #FFC400 66%,
        #C60B1E 66%
    );
}

.flag-ru {
    background: linear-gradient(
        to bottom,
        #FFFFFF 33%,
        #0039A6 33%,
        #0039A6 66%,
        #D52B1E 66%
    );
}

.flag-de {
    background: linear-gradient(
        to bottom,
        #000000 33%,
        #DD0000 33%,
        #DD0000 66%,
        #FFCE00 66%
    );
}

.flag-fr {
    background: linear-gradient(
        to right,
        #002654 33%,
        #FFFFFF 33%,
        #FFFFFF 66%,
        #ED2939 66%
    );
}

.flag-jp {
    background: #FFFFFF;
    position: relative;
}

.flag-jp::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: #BC002D;
    border-radius: 50%;
}

.flag-kr {
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.flag-kr::before {
    content: '☯';
    font-size: 8px;
    color: #000000;
    transform: rotate(45deg);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
}

.top-bar .language-name {
    flex: 1;
    font-weight: 400;
    font-size: 13px;
}

/* ===== 深色主题适配 ===== */
[data-theme="dark"] .top-bar .language-dropdown {
    background: rgba(30, 30, 40, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .top-bar .language-item {
    color: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .top-bar .language-btn {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(26, 86, 219, 0.3);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .top-bar .language-btn:hover {
    background: white;
    border-color: var(--color-primary);
    box-shadow: 0 3px 10px rgba(26, 86, 219, 0.2);
}

[data-theme="dark"] .top-bar .language-btn i.fa-globe {
    color: var(--color-primary);
}

[data-theme="dark"] .top-bar .language-btn:hover i.fa-globe {
    color: var(--color-secondary);
}

[data-theme="dark"] .top-bar .language-btn i.arrow {
    color: var(--color-primary);
}

[data-theme="dark"] .top-bar .language-btn:hover i.arrow {
    color: var(--color-secondary);
}

[data-theme="dark"] .top-bar .language-dropdown .language-item:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===== 响应式适配 ===== */
@media (max-width: 480px) {
    .top-bar .language-btn {
        padding: 4px 10px;
        font-size: 10px;
        height: 26px;
        gap: 4px;
    }
    
    .top-bar .language-btn i.fa-globe {
        font-size: 11px;
    }
    
    .top-bar .language-dropdown {
        min-width: 120px;
    }
    
    .top-bar .language-item {
        padding: 6px 12px;
        font-size: 12px;
        gap: 8px;
    }
    
    .top-bar .flag-icon {
        width: 16px;
        height: 12px;
    }
}