/* 字体由 path-config.js 动态加载，不再需要 @import google-fonts.css */

        :root {
            --primary: #60a5fa;
            --primary-dark: #3b82f6;
            --accent: #a78bfa;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --bg-subtle: #1e293b;
            --border-light: #334155;
            --bg-card: #0f172a;
            --bg-main: #0a0e1a;
        }

        body {
            /* 优化：优先使用系统字体，避免加载 10MB+ 的 Noto Sans SC */
            font-family: 'Inter', -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            -webkit-font-smoothing: antialiased;
            background: linear-gradient(135deg, #0a0e1a 0%, #1e293b 50%, #0f172a 100%);
            color: var(--text-primary);
        }

        /* 深色系磨砂玻璃效果 */
        .glass {
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        /* Utility classes - 不使用 !important 以支持响应式类 */
        .block {
            display: block !important;
        }

        /* Custom Scrollbar - 深色系 */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: rgba(15, 23, 42, 0.5);
        }

        ::-webkit-scrollbar-thumb {
            background: #475569;
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #64748b;
        }

        /* 移动端水平滚动支持 */
        .overflow-x-auto {
            -webkit-overflow-scrolling: touch;
            touch-action: pan-x;
            scrollbar-width: thin;
            scrollbar-color: #cbd5e1 transparent;
        }

        /* 确保移动端横向滚动仅发生在容器内部，不撑开整页 */
        @media (max-width: 768px) {
            .overflow-x-auto {
                max-width: 100%;
                -webkit-overflow-scrolling: touch;
                touch-action: pan-x;
                overscroll-behavior-x: contain;
            }
        }

        /* Animation */
        .fade-in {
            animation: fadeIn 0.3s ease-in-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Toast 样式 - 深色系 */
        .toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 10000;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .toast {
            min-width: 300px;
            max-width: 400px;
            background: #0f172a;
            border-radius: 12px;
            padding: 16px 20px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            gap: 12px;
            animation: toastSlideIn 0.3s ease-out;
            border-left: 4px solid #60a5fa;
            border: 1px solid #334155;
        }

        .toast.success {
            border-left-color: #34d399;
        }

        .toast.error {
            border-left-color: #f87171;
        }

        .toast.warning {
            border-left-color: #fbbf24;
        }

        .toast-icon {
            font-size: 20px;
            flex-shrink: 0;
        }

        .toast.success .toast-icon {
            color: #34d399;
        }

        .toast.error .toast-icon {
            color: #f87171;
        }

        .toast.warning .toast-icon {
            color: #fbbf24;
        }

        .toast-content {
            flex: 1;
            font-size: 14px;
            color: #f1f5f9;
            line-height: 1.5;
        }

        .toast-close {
            background: none;
            border: none;
            color: #94a3b8;
            cursor: pointer;
            font-size: 18px;
            padding: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: color 0.2s;
        }

        .toast-close:hover {
            color: #cbd5e1;
        }

        @keyframes toastSlideIn {
            from {
                opacity: 0;
                transform: translateX(100%);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes toastSlideOut {
            from {
                opacity: 1;
                transform: translateX(0);
            }
            to {
                opacity: 0;
                transform: translateX(100%);
            }
        }

        .toast.hiding {
            animation: toastSlideOut 0.3s ease-in forwards;
        }

        /* Select dropdown 样式优化 - 深色系 */
        select {
            color: #f1f5f9 !important;
            background-color: #0f172a !important;
            border-color: #334155 !important;
        }

        select option {
            color: #f1f5f9 !important;
            background-color: #0f172a !important;
            padding: 12px 16px;
            font-weight: 500;
            font-size: 18px !important;
        }
        
        /* 移动端 select 选项增强对比度 */
        @media (max-width: 768px) {
            select option {
                color: #f1f5f9 !important;
                background-color: #0f172a !important;
                font-weight: 600 !important;
            }
            
            select option:checked {
                background-color: #60a5fa !important;
                color: #0f172a !important;
            }
        }

        /* 针对移动端下拉菜单的选项样式 - 选中状态 */
        select:focus option:checked {
            background-color: #60a5fa !important;
            color: #0f172a !important;
        }

        /* 针对问题类型选择下拉菜单的特殊优化 */
        #ticket-helpdesk-select {
            color: #f1f5f9 !important;
            background-color: #0f172a !important;
            border-color: #334155 !important;
        }

        #ticket-helpdesk-select {
            font-size: 18px !important;
        }

        #ticket-helpdesk-select option {
            color: #f1f5f9 !important;
            background-color: #0f172a !important;
            font-weight: 500;
            font-size: 18px !important;
            line-height: 1.6;
        }

        /* 移动端字体更大和对比度优化 */
        @media (max-width: 768px) {
            #ticket-helpdesk-select {
                font-size: 20px !important;
                background-color: #0f172a !important;
                color: #f1f5f9 !important;
                border: 2px solid #334155 !important;
            }

            #ticket-helpdesk-select option {
                font-size: 20px !important;
                padding: 14px 16px;
                color: #f1f5f9 !important;
                background-color: #0f172a !important;
                font-weight: 600 !important;
            }
            
            /* 确保下拉菜单选项有足够的对比度 */
            #ticket-helpdesk-select option:not(:checked) {
                color: #f1f5f9 !important;
                background-color: #0f172a !important;
            }
            
            /* 选中状态的选项 */
            #ticket-helpdesk-select option:checked {
                background-color: #60a5fa !important;
                color: #0f172a !important;
            }
            
            /* 悬停状态（如果支持） */
            #ticket-helpdesk-select option:hover {
                background-color: #1e293b !important;
                color: #f1f5f9 !important;
            }
        }

        /* 增强按钮样式 */
        button, .btn {
            letter-spacing: -0.01em;
        }

        /* 增强输入框样式 */
        input[type="text"],
        input[type="email"],
        input[type="password"],
        textarea,
        select {
            transition: all 0.2s ease;
        }

        input[type="text"]:focus,
        input[type="email"]:focus,
        input[type="password"]:focus,
        textarea:focus,
        select:focus {
            box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
            border-color: var(--primary) !important;
        }

        /* 增强卡片阴影 - 深色系 */
        .hover\:shadow-2xl:hover {
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5) !important;
        }

        /* 平滑过渡 */
        a, button, .transition {
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 页脚层级低于浮窗/模态框，避免盖住购买浮窗、登录弹窗等 */
        footer {
            position: relative;
            z-index: 0;
        }

        /* 移动端菜单元素默认在桌面隐藏（由 common.js 注入） */
        .mobile-menu-overlay,
        .mobile-menu-sidebar {
            display: none;
        }

        /* ========== 中文站全局移动端优化（适用所有页面） ========== */
        @media (max-width: 768px) {
            /* 禁止整页左右滑动：仅允许垂直滚动 */
            html, body {
                overflow-x: hidden;
                max-width: 100vw;
                width: 100%;
            }
            body {
                position: relative;
            }
            main {
                max-width: 100%;
                overflow-x: hidden;
            }

            /* 导航栏 */
            nav.nav-cyber {
                height: auto !important;
                min-height: 64px !important;
                padding-top: env(safe-area-inset-top);
                padding-bottom: 0.5rem;
                padding-left: env(safe-area-inset-left);
                padding-right: env(safe-area-inset-right);
            }
            nav .max-w-7xl {
                padding-left: 1rem !important;
                padding-right: 1rem !important;
                max-width: 100%;
            }
            nav .text-2xl {
                font-size: 1.125rem !important;
                letter-spacing: 0.1em !important;
            }
            nav .w-10.h-10 {
                width: 2.25rem !important;
                height: 2.25rem !important;
            }
            nav button#authBtn {
                padding: 0.5rem 0.75rem !important;
                font-size: 0.8125rem !important;
            }
            nav .gap-6 {
                gap: 0.5rem !important;
            }

            /* 主内容区 - 减少顶部留白、左右边距 */
            main {
                padding-top: 5rem !important;
                padding-left: 1rem !important;
                padding-right: 1rem !important;
                padding-bottom: 3rem !important;
            }
            main .max-w-7xl,
            main .max-w-6xl,
            main .max-w-5xl,
            main .max-w-4xl {
                padding-left: 0 !important;
                padding-right: 0 !important;
                margin-left: auto !important;
                margin-right: auto !important;
            }
            main section {
                margin-bottom: 2.5rem !important;
            }
            main section.mb-40 {
                margin-bottom: 2.5rem !important;
            }
            main section.mb-24 {
                margin-bottom: 2rem !important;
            }

            /* 标题与排版缩放 */
            .text-7xl, h1.text-7xl { font-size: 2.25rem !important; line-height: 1.15 !important; }
            .text-9xl { font-size: 2.5rem !important; line-height: 1.1 !important; }
            .text-6xl { font-size: 2rem !important; }
            .text-5xl { font-size: 1.75rem !important; }
            .text-4xl { font-size: 1.5rem !important; }
            .text-3xl { font-size: 1.25rem !important; }
            .text-2xl { font-size: 1.125rem !important; }
            .text-xl { font-size: 1rem !important; }

            /* Section 内边距 */
            section.px-8 { padding-left: 1rem !important; padding-right: 1rem !important; }
            section.px-8 .max-w-7xl { padding-left: 0 !important; padding-right: 0 !important; }

            /* 卡片与网格 */
            .hologram-card.p-8 { padding: 1.25rem !important; }
            .hologram-card.p-10 { padding: 1.25rem !important; }
            .hologram-card.p-12 { padding: 1.5rem !important; }
            .hologram-card.p-16 { padding: 1.5rem !important; }
            .grid.gap-24 { gap: 1.5rem !important; }
            .grid.gap-12 { gap: 1rem !important; }
            .grid.gap-8 { gap: 0.75rem !important; }
            .grid.gap-6 { gap: 0.75rem !important; }
            .flex.gap-8 { gap: 0.75rem !important; }
            .gap-24 { gap: 1.5rem !important; }
            .gap-12 { gap: 1rem !important; }

            /* 按钮与 CTA */
            a.px-12.py-6, button.px-12.py-6 {
                padding: 0.75rem 1.25rem !important;
                font-size: 0.9375rem !important;
            }
            .py-6 { padding-top: 0.75rem !important; padding-bottom: 0.75rem !important; }
            .py-7 { padding-top: 0.875rem !important; padding-bottom: 0.875rem !important; }

            /* 价格页等双栏布局 */
            .grid.lg\:grid-cols-2 > * { max-width: 100%; }
            .grid.lg\:grid-cols-12 { display: flex; flex-direction: column; }
            .grid.lg\:grid-cols-4 { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
            .lg\:col-span-4, .lg\:col-span-8 { max-width: 100%; }

            /* 页脚 */
            footer.pt-40 { padding-top: 2rem !important; }
            footer .px-8 { padding-left: 1rem !important; padding-right: 1rem !important; }
            footer .grid.gap-20 { gap: 1.5rem !important; }
            footer .mb-24 { margin-bottom: 1.5rem !important; }
            footer .text-3xl { font-size: 1.5rem !important; }
            footer .p-6 { padding: 1rem !important; }

            /* Toast 移动端位置 */
            .toast-container {
                top: auto;
                bottom: max(1rem, env(safe-area-inset-bottom));
                left: 1rem;
                right: 1rem;
                max-width: none;
            }
            .toast {
                min-width: 0;
                max-width: none;
            }

            /* 移动端菜单遮罩与侧栏（全局，供 common.js 注入的 DOM 使用） */
            .mobile-menu-overlay {
                display: block;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.7);
                backdrop-filter: blur(4px);
                -webkit-backdrop-filter: blur(4px);
                z-index: 101; /* 高于支付浮窗(100)，打开侧栏时盖住底部总价栏 */
                opacity: 0;
                visibility: hidden;
                transition: opacity 0.3s ease, visibility 0.3s ease;
            }
            .mobile-menu-overlay.show {
                opacity: 1;
                visibility: visible;
            }
            .mobile-menu-sidebar {
                display: block !important; /* 覆盖 Tailwind .hidden，便于 JS 切换 */
                position: fixed;
                top: 0;
                left: 0;
                width: min(280px, 85vw);
                height: 100vh;
                height: 100dvh;
                background: rgba(2, 2, 5, 0.98);
                backdrop-filter: blur(40px);
                -webkit-backdrop-filter: blur(40px);
                border-right: 1px solid rgba(255, 255, 255, 0.1);
                z-index: 102; /* 高于支付浮窗(100)与遮罩(101) */
                transform: translateX(-100%);
                transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
                padding-left: env(safe-area-inset-left);
            }
            .mobile-menu-sidebar.show {
                transform: translateX(0);
            }
            .mobile-menu-sidebar.hidden {
                transform: translateX(-100%);
                display: none !important;
            }
            #mobileMenuIcon.rotate {
                transform: rotate(90deg);
                transition: transform 0.3s ease;
            }
        }