/* ==========================================================================
   Header Component - 完全隔离样式
   ========================================================================== */

/* 第一步：完全重置并隔离 */
.header {
    all: initial; /* 阻断所有继承 */

    /* 重新定义 Header 自己的样式系统 */
    --header-primary: #4288ff;
    --header-secondary: #38bdf8;
    --header-text: #1f2937;
    --header-text-muted: #6b7280;
    --header-white: #ffffff;
    --header-border: #e5e7eb;

    /* 明确设置基础字体 */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px !important; /* 固定基准，不受外部 html font-size 影响 */
    line-height: 1.7;
    color: var(--header-text);

    /* 布局 */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
    box-sizing: border-box;

    /* 默认样式 */
    background: transparent;
    border: none;
    margin: 0;
    padding: 0;
}

/* 第二步：为所有子元素设置盒模型 */
.header *,
.header *::before,
.header *::after {
    box-sizing: border-box;
    font-size: inherit; /* 从 header 继承 16px */
}

/* 第三步：为所有子元素重置可继承属性 */
.header * {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
    border: none;
    background: none;
}

/* ==========================================================================
   Header 具体样式 - 所有选择器都明确设置字体
   ========================================================================== */

/* 滚动状态 */
.header.scrolled {
    backdrop-filter: blur(16px);
    background-color: rgba(59, 146, 246, 0.95);
    border-bottom: 1px solid rgba(59, 146, 246, 0.3);
}

/* 容器 */
.header .header-container {
    margin: 0 2.5em;
    font-size: 16px; /* 明确指定 */
}

.header .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5em;
    width: 100%;
}

/* 左侧区域 */
.header .header-left {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

/* Logo 区域 */
.header .logo-section {
    display: flex;
    align-items: center;
    gap: 0.75em;
    flex-wrap: nowrap;
}

.header .logo-link {
    display: flex;
    align-items: center;
    gap: 0.75em;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    font-size: 16px; /* 明确指定 */
}

.header .logo-link:hover {
    color: var(--header-primary);
    transform: translateY(-1px);
}

.header .logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2em;
    height: 2em;
}

.header .logo {
    width: 2.5em;
    border-radius: 0.5em;
}

.header .title-section {
    display: flex;
    flex-direction: column;
    margin-left: 10px;
}

.header .site-title {
    font-size: 1.5em; /* 明确指定，不受外部影响 */
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    line-height: 1.2;
}

/* 部门信息 */
.header .department-info {
    display: flex;
    align-items: center;
    gap: 0.5em;
    font-size: 0.875em; /* 明确指定 */
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
}

.header .department-icon {
    width: 1.25em;
    height: 1.25em;
    color: rgba(255, 255, 255, 0.9);
    flex-shrink: 0;
}

/* 地区选择器 - 所有子元素都明确设置字体 */
.header .region-selector-group {
    display: flex;
    align-items: center;
    gap: 0;
    margin-left: 0.75em;
    position: relative;
    font-size: 16px; /* 基准 */
}

.header .website-select-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    padding: 0.5em 0.875em;
    background-color: transparent;
    border-radius: 0;
    transition: all 0.3s ease;
    height: 2.125em;
    cursor: pointer;
    font-size: 0.875em; /* 明确指定 */
}

.header .location-icon {
    width: 1em;
    height: 1em;
    color: rgba(255, 255, 255, 0.9);
    flex-shrink: 0;
}

.header .region-display {
    color: rgba(255, 255, 255, 0.9);
    /*font-size: 0.875em; !* 明确指定 *!*/
    font-weight: 500;
    white-space: nowrap;
}

.header .dropdown-arrow-icon {
    width: 0.875em;
    height: 0.875em;
    color: rgba(255, 255, 255, 0.9);
    flex-shrink: 0;
    transition: color 0.3s ease, transform 0.3s ease;
}

.header .website-select-wrapper:hover .dropdown-arrow-icon {
    color: #ffffff;
}

.header .website-select-wrapper.dropdown-open .dropdown-arrow-icon {
    transform: rotate(180deg);
}

/* 地区选择弹窗 */
.header .region-modal-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 9999 !important;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.25s ease-out;
    font-size: 16px; /* 重置基准 */
}

.header .region-dropdown {
    position: relative;
    background-color: #ffffff;
    border-radius: 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    min-width: 520px;
    max-width: 620px;
    width: 88%;
    max-height: 90vh;
    z-index: 10000 !important;
    display: none;
    overflow: hidden;
    animation: fadeInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    margin: auto;
    font-size: 16px; /* 明确指定 */
}

.header .region-dropdown-title {
    font-size: 0.9375em; /* 明确指定 */
    font-weight: 400;
    color: #1e293b;
}

.header .tip-text {
    font-size: 0.8125em; /* 明确指定 */
    color: #ea580c;
    line-height: 1.5;
}

.header .region-option {
    padding: 0.75em 1em;
    background-color: #ffffff;
    border: 1.5px solid #e5e7eb;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-size: 0.875em; /* 明确指定 */
    color: #374151;
    font-weight: 500;
}

.header .region-name {
    font-size: 0.95em; /* 明确指定 */
    font-weight: 400;
    color: #1f2937;
}

/* 按钮 */
.header .region-cancel-btn,
.header .region-confirm-btn {
    padding: 0 1.5em;
    border-radius: 0;
    font-size: 0.875em; /* 明确指定 */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

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

.header .main-nav {
    display: flex;
    align-items: center;
    gap: 2em;
}

.header .nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 1em; /* 明确指定 */
    font-weight: 500;
    padding: 0.5em 1em;
    border-radius: 0.375em;
    transition: all 0.3s ease;
    white-space: nowrap;
}

/* 右侧操作区 */
.header .header-right {
    display: flex;
    align-items: center;
    gap: 1.5em;
}

.header .visit-website-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    padding: 0.5em 0.875em;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border: none;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875em; /* 明确指定 */
    font-weight: 500;
    white-space: nowrap;
    height: 2.125em;
}

.header .contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25em;
}

.header .phone-link {
    display: flex;
    align-items: center;
    gap: 0.25em;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 16px; /* 明确指定 */
}

.header .phone-number {
    font-size: 1.5em; /* 明确指定 */
    font-weight: 700;
    color: #ffffff;
}

.header .work-time {
    font-size: 0.75em; /* 明确指定 */
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
    line-height: 1.4;
}

.header .login-btn {
    padding: 0.5em 1.5em;
    font-weight: 500;
    background-color: #4288ff;
    color: #ffffff;
    border: none;
    cursor: pointer;
    font-size: 1em; /* 明确指定 */
    transition: background-color 0.3s ease;
}

/* 申报指南按钮 */
.header .guide-btn {
    display: flex;
    align-items: center;
    gap: 0.5em;
    padding: 0.5em 0.875em;
    background-color: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875em; /* 明确指定 */
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    height: 2.125em;
}

.header .guide-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.header .guide-btn.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.header .guide-icon {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    transition: color 0.3s ease;
}

.header .guide-btn.active .guide-icon {
    color: #3B92F6;
}

.header .logo-link {
    display: flex;
    align-items: center;
    gap: 0.75em;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.header .logo-link:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.header .logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2em;
    height: 2em;
}

.header .logo {
    width: 2.5em;
    border-radius: 0.5em;

}

/* 移动端菜单按钮 */
.header .mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5em;
}

/* 移动端菜单 */
.header .mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #ffffff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
    font-size: 16px; /* 重置基准 */
}

/* ==========================================================================
   注册页面覆盖样式
   ========================================================================== */

.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
}

.header .site-title {
    color: var(--header-text);
}

.header .department-text,
.header .work-time {
    color: var(--header-text-muted);
}

.header .department-icon,
.header .phone-icon {
    color: var(--header-text);
}

.header .phone-link {
    color: var(--header-text);
}

.header .phone-link:hover {
    color: var(--header-primary);
}

.header .location-icon,
.header .region-display,
.header .dropdown-arrow-icon {
    color: #1f2937;
}

.header .website-select-wrapper:hover {
    background-color: rgba(59, 146, 246, 0.1);
}

.header .website-select-wrapper:hover .location-icon,
.header .website-select-wrapper:hover .region-display,
.header .website-select-wrapper:hover .dropdown-arrow-icon {
    color: #3B92F6;
}

.header .visit-website-btn {
    background-color: rgba(255, 255, 255, 0.9);
    color: #3B92F6;
    border: 1px solid #e5e7eb;
}

.header .visit-website-btn:hover {
    background-color: rgba(255, 255, 255, 1);
    color: #2563eb;
    border-color: #3B92F6;
}

.header .visit-website-btn .external-link-icon {
    color: #3B92F6;
}

.header .visit-website-btn .external-link-icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.header .guide-btn {
    color: #1f2937;
}

.header .guide-btn:hover {
    background-color: rgba(66, 136, 255, 0.1);
    color: #3B92F6;
}

.header .guide-btn .guide-icon {
    color: #1f2937;
}

.header .guide-btn:hover .guide-icon {
    color: #3B92F6;
}

/* ==========================================================================
   响应式移动端适配
   ========================================================================== */

@media (max-width: 768px) {
    .header .mobile-menu-btn {
        display: block;
    }

    .header .header-nav {
        display: none;
    }

    .header .visit-website-btn {
        display: none;
    }

    .header .header-right .phone-link,
    .header .header-right .phone-number,
    .header .header-right .phone-icon {
        display: none !important;
    }

    .header .site-title {
        font-size: 0.875em;
    }

    .header .region-dropdown {
        min-width: auto;
        width: 95%;
        max-width: 500px;
    }

    .header .region-options-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .header .site-title {
        font-size: 0.75em;
    }

    .header .region-dropdown {
        width: 98%;
    }

    .header .region-options-grid {
        grid-template-columns: 1fr;
    }
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.header .region-selector-group:has(.region-dropdown.show) .dropdown-arrow-icon {
    transform: rotate(180deg);
}

.header .region-dropdown-header {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
}

.header .region-dropdown-title {
    font-size: 0.9375rem;
    font-weight: 400;
    color: #1e293b;
    letter-spacing: -0.01em;
}

.header .region-dropdown-tip {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: #fff7ed;
    border-top: 1px solid #fed7aa;
}

.header .tip-icon {
    width: 1rem;
    height: 1rem;
    color: #ea580c;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.header .tip-text {
    font-size: 0.8125rem;
    color: #ea580c;
    line-height: 1.5;
    flex: 1;
}

.header .region-dropdown-divider {
    height: 1px;
    background-color: #f0f0f0;
    margin: 0;
}

.header .region-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.875rem;
    padding: 2rem 1.25rem 1.5rem;
    max-height: 500px;
    overflow-y: auto;
    overflow-x: visible;
}

.header .region-options-grid::-webkit-scrollbar {
    width: 8px;
}

.header .region-options-grid::-webkit-scrollbar-track {
    background: #f8f9fa;
    border-radius: 4px;
}

.header .region-options-grid::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.header .region-options-grid::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.header .region-option {
    padding: 0.75rem 1rem;
    background-color: #ffffff;
    border: 1.5px solid #e5e7eb;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    font-size: 0.875rem;
    color: #374151;
    user-select: none;
    font-weight: 500;
    position: relative;
    overflow: visible;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.header .region-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 146, 246, 0.05), rgba(59, 146, 246, 0.02));
    opacity: 0;
    transition: opacity 0.2s ease;
}

.header .region-option:hover {
    background-color: #f8fafc;
    border-color: #3B92F6;
    color: #3B92F6;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 146, 246, 0.15);
}

.header .region-option:hover::before {
    opacity: 1;
}

.header .region-option.active {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-color: #3B92F6;
    color: #3B92F6;
    font-weight: 400;
    box-shadow: 0 4px 12px rgba(59, 146, 246, 0.2);
    transform: translateY(-1px);
}

.header .region-option.active::before {
    opacity: 1;
}

.header .region-name {
    font-size: 0.95rem;
    font-weight: 400;
    color: #1f2937;
    flex: 1;
}

.header .region-option.active .region-name {
    color: #1e40af;
}

.header .region-visit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 4px;
    border-radius: 50%;
    background-color: transparent;
    color: #6b7280;
    text-decoration: none;
    transition: all 0.2s ease;
    flex-shrink: 0;
    z-index: 1;
    position: relative;
}

.header .region-visit-icon svg {
    width: 18px;
    height: 18px;
}

.header .region-visit-icon:hover {
    background: #e7f1ff;
    color: #3B92F6;
    transform: scale(1.1);
}

.header .region-option.active .region-visit-icon {
    background-color: #ffffff;
    color: #3B92F6;
}

/* Tooltip样式 */
.header .region-visit-icon::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background-color: #1f2937;
    color: #ffffff;
    font-size: 0.75rem;
    white-space: nowrap;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 99999;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    line-height: 1.4;
}

.header .region-visit-icon::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1f2937;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 100000;
}

.header .region-visit-icon:hover::after,
.header .region-visit-icon:hover::before {
    opacity: 1;
    visibility: visible;
}

.header .region-dropdown-divider-dotted {
    height: 1px;
    border-top: 1px dashed #e5e7eb;
    margin: 0;
    background: repeating-linear-gradient(
            to right,
            transparent,
            transparent 8px,
            #e5e7eb 8px,
            #e5e7eb 12px
    );
}

.header .region-dropdown-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(to top, #fafbfc, #ffffff);
}

.header .region-selection-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #64748b;
}

.header .selection-location-icon {
    width: 1rem;
    height: 1rem;
    color: #64748b;
    flex-shrink: 0;
}

.header .selected-region-text {
    color: #3B92F6;
    font-weight: 600;
    font-size: 0.9375rem;
}

.header .region-dropdown-actions {
    display: flex;
    gap: 0.75rem;
}

.header .region-cancel-btn,
.header .region-confirm-btn {
    padding: 0;
    border-radius: 0;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.header .region-cancel-btn {
    background-color: #f1f5f9;
    color: #475569;
    border: 1.5px solid #e2e8f0;
    padding: 0 1.5rem;
}

.header .region-cancel-btn:hover {
    background-color: #e2e8f0;
    border-color: #cbd5e1;
    color: #334155;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header .region-cancel-btn:active {
    transform: translateY(0);
}

.header .region-confirm-btn {
    background-color: #3B92F6;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(59, 146, 246, 0.3);
    padding: 0 1.5rem;
}

.header .region-confirm-btn:hover {
    background-color: #2563eb;
    box-shadow: 0 4px 16px rgba(59, 146, 246, 0.4);
    transform: translateY(-1px);
}

.header .region-confirm-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(59, 146, 246, 0.3);
}