/* 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;
        }

        /* ========== 登录弹窗 · 高级版 UI（中文站） ========== */
        .auth-modal {
            position: relative;
            width: 100%;
            max-width: 420px;
            padding: 2.5rem 2rem;
            border-radius: 24px;
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(148, 163, 184, 0.12);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            animation: authModalIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        }
        @keyframes authModalIn {
            from { opacity: 0; transform: scale(0.96) translateY(12px); }
            to { opacity: 1; transform: scale(1) translateY(0); }
        }
        .auth-modal .auth-head {
            text-align: center;
            margin-bottom: 2rem;
        }
        .auth-modal .auth-title {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #f1f5f9;
            margin: 0 0 0.35rem 0;
        }
        .auth-modal .auth-subtitle {
            font-size: 0.8125rem;
            color: #94a3b8;
            font-weight: 500;
            margin: 0;
        }
        .auth-modal .auth-label {
            display: block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #94a3b8;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .auth-modal .auth-input {
            width: 100%;
            padding: 0.875rem 1rem;
            font-size: 0.9375rem;
            color: #f1f5f9;
            background: rgba(30, 41, 59, 0.6);
            border: 1px solid rgba(71, 85, 105, 0.4);
            border-radius: 12px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .auth-modal .auth-input::placeholder {
            color: #64748b;
        }
        .auth-modal .auth-input:focus {
            outline: none;
            border-color: rgba(56, 189, 248, 0.5);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
        }
        .auth-modal .auth-input[readonly] {
            color: #94a3b8;
            cursor: default;
        }
        .auth-modal .auth-tabs {
            display: flex;
            gap: 0;
            padding: 4px;
            background: rgba(30, 41, 59, 0.5);
            border-radius: 12px;
            margin-bottom: 1.5rem;
        }
        .auth-modal .auth-tab {
            flex: 1;
            padding: 0.625rem 1rem;
            font-size: 0.8125rem;
            font-weight: 600;
            color: #94a3b8;
            background: transparent;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: color 0.2s, background 0.2s;
        }
        .auth-modal .auth-tab:hover {
            color: #cbd5e1;
        }
        .auth-modal .auth-tab.active {
            color: #f1f5f9;
            background: rgba(51, 65, 85, 0.8);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
        }
        .auth-modal .auth-btn-primary {
            width: 100%;
            padding: 0.875rem 1.25rem;
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            background: #1A7AFF;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 14px rgba(26, 122, 255, 0.35);
        }
        .auth-modal .auth-btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(26, 122, 255, 0.4);
        }
        .auth-modal .auth-btn-secondary {
            padding: 0.5rem 1rem;
            font-size: 0.8125rem;
            font-weight: 600;
            color: #94a3b8;
            background: rgba(51, 65, 85, 0.6);
            border: 1px solid rgba(71, 85, 105, 0.5);
            border-radius: 10px;
            cursor: pointer;
            transition: color 0.2s, border-color 0.2s, background 0.2s;
        }
        .auth-modal .auth-btn-secondary:hover:not(:disabled) {
            color: #e2e8f0;
            border-color: rgba(100, 116, 139, 0.6);
            background: rgba(51, 65, 85, 0.9);
        }
        .auth-modal .auth-btn-secondary:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }
        .auth-modal .auth-link {
            font-size: 0.8125rem;
            color: #38bdf8;
            text-decoration: none;
            transition: color 0.2s;
        }
        .auth-modal .auth-link:hover {
            color: #7dd3fc;
        }
        .auth-modal .auth-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            background: transparent;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: color 0.2s, background 0.2s;
        }
        .auth-modal .auth-close:hover {
            color: #f1f5f9;
            background: rgba(51, 65, 85, 0.5);
        }
        .auth-modal .auth-error {
            font-size: 0.8125rem;
            color: #f87171;
            text-align: center;
            margin-top: 0.5rem;
        }
        .auth-modal .auth-back {
            width: 100%;
            padding: 0.625rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: #94a3b8;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: color 0.2s;
            margin-top: 0.5rem;
        }
        .auth-modal .auth-back:hover {
            color: #e2e8f0;
        }
        /* 浅色主题下登录弹窗 */
        .theme-light .auth-modal {
            background: rgba(255, 255, 255, 0.96);
            border-color: rgba(0, 0, 0, 0.06);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
        }
        .theme-light .auth-modal .auth-title { color: #0f172a; }
        .theme-light .auth-modal .auth-subtitle,
        .theme-light .auth-modal .auth-label { color: #64748b; }
        .theme-light .auth-modal .auth-input {
            color: #0f172a;
            background: #f8fafc;
            border-color: #e2e8f0;
        }
        .theme-light .auth-modal .auth-input::placeholder { color: #94a3b8; }
        .theme-light .auth-modal .auth-input:focus {
            border-color: #1A7AFF;
            box-shadow: 0 0 0 3px rgba(26, 122, 255, 0.15);
        }
        .theme-light .auth-modal .auth-input[readonly] { color: #64748b; }
        .theme-light .auth-modal .auth-tabs { background: #f1f5f9; }
        .theme-light .auth-modal .auth-tab { color: #64748b; }
        .theme-light .auth-modal .auth-tab:hover { color: #475569; }
        .theme-light .auth-modal .auth-tab.active {
            color: #0f172a;
            background: #fff;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
        }
        .theme-light .auth-modal .auth-btn-secondary {
            color: #475569;
            background: #f1f5f9;
            border-color: #e2e8f0;
        }
        .theme-light .auth-modal .auth-btn-secondary:hover:not(:disabled) {
            color: #0f172a;
            background: #e2e8f0;
        }
        .theme-light .auth-modal .auth-close { color: #64748b; }
        .theme-light .auth-modal .auth-close:hover {
            color: #0f172a;
            background: #f1f5f9;
        }
        .theme-light .auth-modal .auth-back { color: #64748b; }
        .theme-light .auth-modal .auth-back:hover { color: #0f172a; }

        /* 导航栏登录按钮（与登录弹窗风格一致） */
        .auth-nav-btn {
            color: #fff;
            background: #1A7AFF;
            box-shadow: 0 2px 10px rgba(26, 122, 255, 0.3);
        }
        .auth-nav-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(26, 122, 255, 0.4);
        }
        .theme-light .auth-nav-btn {
            color: #fff;
        }
        .theme-light .auth-nav-btn:hover {
            color: #fff;
        }

        /* 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, 0.08);
                backdrop-filter: none;
                -webkit-backdrop-filter: none;
                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;
            }
            /* 侧栏内文字与图标在深色背景上强制浅色，保证移动端可读 */
            .mobile-menu-sidebar,
            .mobile-menu-sidebar * {
                color: #f1f5f9;
            }
            .mobile-menu-sidebar a span,
            .mobile-menu-sidebar .text-gray-900 {
                color: #f1f5f9 !important;
            }
            .mobile-menu-sidebar a:hover span,
            .mobile-menu-sidebar a:hover {
                color: #93c5fd !important;
            }
            .mobile-menu-sidebar .border-gray-200 {
                border-color: rgba(255, 255, 255, 0.2) !important;
            }
            .mobile-menu-sidebar a i[class*="fa-"] {
                color: #93c5fd !important;
            }
            .mobile-menu-sidebar a:hover i[class*="fa-"] {
                color: #60a5fa !important;
            }
            .mobile-menu-sidebar .text-gray-400,
            .mobile-menu-sidebar .text-gray-500 {
                color: rgba(255, 255, 255, 0.6) !important;
            }
            .mobile-menu-sidebar .text-blue-600 {
                color: #60a5fa !important;
            }
            .mobile-menu-sidebar .lang-option.text-gray-800,
            .mobile-menu-sidebar .lang-option:not(.text-blue-600) {
                color: #e2e8f0 !important;
            }
            .mobile-menu-sidebar .lang-option:hover {
                color: #93c5fd !important;
            }
            .mobile-menu-sidebar .lang-option.text-blue-600 {
                color: #60a5fa !important;
                background: rgba(96, 165, 250, 0.2) !important;
            }
            .mobile-menu-sidebar button {
                border-color: rgba(255, 255, 255, 0.3) !important;
                color: #f1f5f9 !important;
            }
            .mobile-menu-sidebar .nav-logo-icon {
                border-color: rgba(255, 255, 255, 0.3) !important;
                color: #60a5fa !important;
            }
            #mobileMenuIcon.rotate {
                transform: rotate(90deg);
                transition: transform 0.3s ease;
            }
        }

        /* ========== 中文站页脚 - 高级版 ========== */
        .site-footer-premium {
            position: relative;
            z-index: 2;
            padding: 4rem 0 2rem;
            background: #080c14;
            background: linear-gradient(180deg, #0a0f1a 0%, #050810 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            overflow: hidden;
        }
        .site-footer-premium::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(0, 242, 255, 0.4) 50%, transparent 100%);
            opacity: 0.6;
        }
        .site-footer-premium .footer-inner {
            max-width: 72rem;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 1;
        }
        .site-footer-premium .footer-brand-row {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 3rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .site-footer-premium .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: #ffffff;
            transition: opacity 0.25s ease;
        }
        .site-footer-premium .footer-logo:hover {
            opacity: 0.9;
        }
        .site-footer-premium .footer-logo-icon {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 242, 255, 0.2), rgba(112, 0, 255, 0.15));
            border: 1px solid rgba(0, 242, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #00f2ff;
            box-shadow: 0 0 24px rgba(0, 242, 255, 0.15);
        }
        .site-footer-premium .footer-logo-img {
            width: 1rem;
            height: 1rem;
            flex-shrink: 0;
        }
        .site-footer-premium .footer-logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .site-footer-premium .footer-logo-text span {
            color: #00f2ff;
            font-weight: 800;
        }
        .site-footer-premium .footer-tagline {
            max-width: 28rem;
            margin-top: 0.75rem;
            font-size: 0.875rem;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.82);
            letter-spacing: 0.02em;
            font-weight: 500;
        }
        .site-footer-premium .footer-nodes {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem 1.25rem;
        }
        .site-footer-premium .footer-nodes-label {
            font-size: 0.65rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.2em;
            color: rgba(255, 255, 255, 0.65);
            margin-right: 0.25rem;
        }
        .site-footer-premium .footer-node-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            transition: border-color 0.2s, color 0.2s;
        }
        .site-footer-premium .footer-node-pill.live {
            border-color: rgba(16, 185, 129, 0.5);
            color: #e0f7ee;
        }
        .site-footer-premium .footer-node-pill .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #10b981;
            box-shadow: 0 0 8px #10b981;
        }
        .site-footer-premium .footer-node-pill.alt .dot {
            background: #00f2ff;
            box-shadow: 0 0 8px rgba(0, 242, 255, 0.8);
        }
        .site-footer-premium .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem 2rem;
            margin-bottom: 2.5rem;
        }
        .site-footer-premium .footer-link-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem 0;
        }
        .site-footer-premium .footer-link-group a {
            font-size: 0.875rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.88);
            text-decoration: none;
            padding: 0.35rem 0.75rem;
            margin: 0 0.15rem;
            border-radius: 6px;
            transition: color 0.2s, background 0.2s;
        }
        .site-footer-premium .footer-link-group a:hover {
            color: #00f2ff;
            background: rgba(0, 242, 255, 0.12);
        }
        .site-footer-premium .footer-link-sep {
            width: 1px;
            height: 1em;
            background: rgba(255, 255, 255, 0.2);
            margin: 0 0.5rem;
            flex-shrink: 0;
        }
        .site-footer-premium .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .site-footer-premium .footer-copyright {
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
        }
        .site-footer-premium .footer-email {
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: color 0.2s;
        }
        .site-footer-premium .footer-email:hover {
            color: #00f2ff;
        }
        .site-footer-premium .footer-partners {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }
        .site-footer-premium .footer-partners i {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.25s;
        }
        .site-footer-premium .footer-partners i:hover {
            color: rgba(255, 255, 255, 0.85);
        }
        @media (max-width: 768px) {
            .site-footer-premium { padding: 2.5rem 0 1.5rem; }
            .site-footer-premium .footer-inner { padding: 0 1rem; }
            .site-footer-premium .footer-brand-row { flex-direction: column; align-items: flex-start; gap: 1.5rem; margin-bottom: 2rem; padding-bottom: 1.5rem; }
            .site-footer-premium .footer-tagline { max-width: 100%; }
            .site-footer-premium .footer-links-row { flex-direction: column; align-items: flex-start; }
            .site-footer-premium .footer-link-group .footer-link-sep { display: none; }
            .site-footer-premium .footer-bottom { flex-direction: column; align-items: flex-start; }
        }

/* ========== 浅色主题 .theme-light（原 light-theme.css 已合并，无需单独引用） ========== */
.theme-light {
    /* 品牌主色：统一高级蓝，偏深一点更显质感 */
    --brand-primary: #0a6ed9;
    --brand-primary-hover: #2878e0;
    --brand-primary-deep: #004c99;
    --brand-accent: #5b9cf5;
    --brand-gradient: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-deep) 100%);
    --brand-gradient-soft: linear-gradient(180deg, rgba(10, 110, 217, 0.06) 0%, transparent 50%);
    --brand-glow: rgba(10, 110, 217, 0.15);

    --apple-blue: var(--brand-primary);
    --apple-blue-hover: var(--brand-primary-hover);
    --apple-bg: #f2f4f8;
    --apple-bg-soft: #eef1f6;
    --apple-bg-warm: #f0f2f6;
    --apple-bg-section: #eaeef4;
    --apple-card: #ffffff;
    --apple-text: #1d1d1f;
    --apple-text-secondary: #6e6e73;
    --apple-text-tertiary: #86868b;
    --apple-border: #d2d2d7;
    --apple-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --apple-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
    /* Apple 常用内容宽度 */
    --apple-content-width: 980px;
    --apple-section-padding-y: 4rem;
    --apple-section-padding-y-md: 5rem;
    /* 标题专用字体：大公司感、清晰层级 */
    --font-heading: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* ---------- 基础 ---------- */
.theme-light,
.theme-light body {
    /* 科技感底色：偏蓝灰的浅色渐变，避免纯白 */
    background: linear-gradient(180deg, #e4e9f2 0%, #eaeef5 18%, var(--apple-bg) 45%, #eef1f7 100%);
    background-color: var(--apple-bg);
    color: var(--apple-text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    position: relative;
}

/* 科技纹理层 1：点阵网格（更明显） */
.theme-light body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: radial-gradient(circle at 1px 1px, rgba(10, 110, 217, 0.08) 1px, transparent 0);
    background-size: 24px 24px;
    background-position: 0 0;
}

/* 科技纹理层 2：细线网格（仪表盘/终端感） */
.theme-light body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(10, 110, 217, 0.06) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(10, 110, 217, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    background-position: -1px -1px;
}

/* 区块交替背景：与主背景同色系的深一度灰蓝 */
.theme-light .section-alt {
    background: linear-gradient(180deg, rgba(232, 236, 243, 0.98) 0%, var(--apple-bg-section) 35%, rgba(238, 241, 247, 0.98) 100%);
}

.theme-light .ambient-bg {
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(ellipse 100% 70% at 50% -20%, rgba(10, 110, 217, 0.22) 0%, rgba(91, 156, 245, 0.08) 38%, transparent 58%),
                radial-gradient(ellipse 60% 50% at 88% 5%, rgba(10, 110, 217, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse 50% 45% at 12% 15%, rgba(91, 156, 245, 0.09) 0%, transparent 45%),
                radial-gradient(ellipse 70% 40% at 50% 95%, rgba(10, 110, 217, 0.06) 0%, transparent 50%);
    filter: none;
    animation: zhAmbientShift 22s ease-in-out infinite alternate;
    opacity: 1;
}

@keyframes zhAmbientShift {
    from { opacity: 0.92; transform: scale(1) translate(0, 0); }
    to { opacity: 1; transform: scale(1.06) translate(0.5%, -0.5%); }
}

/* 卡片：苹果式白卡、小圆角、极轻阴影 */
.theme-light .hologram-card {
    background: var(--apple-card);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: 12px;
    box-shadow: var(--apple-shadow);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.theme-light .hologram-card:hover {
    box-shadow: var(--apple-shadow-hover);
    transform: translateY(-1px);
}

/* 首页 Apple 式版面：内容宽度与区块间距 */
.theme-light main .apple-content { max-width: var(--apple-content-width); margin-left: auto; margin-right: auto; padding-left: 22px; padding-right: 22px; }
/* 大标题：更大字号、略重字重、紧凑字间距，显专业与信任感 */
.theme-light main .apple-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.032em;
    line-height: 1.08;
    -webkit-font-smoothing: antialiased;
}
/* 二级标题：清晰层级、统一字体 */
.theme-light main .apple-section-title {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    -webkit-font-smoothing: antialiased;
}
@media (min-width: 768px) {
    .theme-light main .apple-section-title {
        font-size: 2.25rem;
        letter-spacing: -0.028em;
    }
}
.theme-light main .apple-section-sub { font-size: 1.0625rem; color: var(--apple-text-secondary); line-height: 1.47; }
.theme-light main .apple-link { color: var(--apple-blue); font-size: 1.0625rem; text-decoration: none; }
.theme-light main .apple-link:hover { text-decoration: underline; }
.theme-light main .apple-btn-primary {
    display: inline-block; padding: 12px 22px; border-radius: 980px;
    background: var(--brand-gradient); color: #fff; font-size: 1.0625rem; font-weight: 400; text-decoration: none;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 14px var(--brand-glow);
}
.theme-light main .apple-btn-primary:hover {
    opacity: 0.95; transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--brand-glow);
    color: #fff;
}
.theme-light main .apple-btn-secondary { display: inline-block; padding: 12px 22px; border-radius: 980px; color: var(--apple-blue); font-size: 1.0625rem; font-weight: 400; text-decoration: none; border: 1px solid var(--apple-blue); transition: background 0.2s, color 0.2s; }
.theme-light main .apple-btn-secondary:hover { background: rgba(0, 113, 227, 0.08); color: var(--apple-blue); }
.theme-light main .apple-section { padding-top: var(--apple-section-padding-y); padding-bottom: var(--apple-section-padding-y); }
@media (min-width: 768px) { .theme-light main .apple-section { padding-top: var(--apple-section-padding-y-md); padding-bottom: var(--apple-section-padding-y-md); } }
.theme-light main .apple-section-alt { background: var(--apple-bg-section); }
.theme-light main .apple-section-alt .apple-section { padding-top: var(--apple-section-padding-y); padding-bottom: var(--apple-section-padding-y); }
@media (min-width: 768px) { .theme-light main .apple-section-alt .apple-section { padding-top: var(--apple-section-padding-y-md); padding-bottom: var(--apple-section-padding-y-md); } }
.theme-light main .apple-hero { padding-top: 2rem; padding-bottom: 3rem; }
@media (min-width: 768px) { .theme-light main .apple-hero { padding-top: 3rem; padding-bottom: 4rem; } }
.theme-light main { padding-top: 3.5rem; }
@media (min-width: 768px) { .theme-light main { padding-top: 4rem; } }

/* ========== 首页各区域独立样式（区分于通用卡片） ========== */

/* 1. Hero：大留白 + 渐变分隔 + 入场动效 + 主图浮动，顶部柔光更明显 */
.theme-light .home-hero { position: relative; overflow: hidden; }
.theme-light .home-hero::before {
    content: ''; position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
    width: 120%; max-width: 800px; height: 60%; pointer-events: none;
    background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(10, 110, 217, 0.12) 0%, rgba(91, 156, 245, 0.05) 45%, transparent 70%);
    opacity: 0.95;
}
.theme-light .home-hero::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 100%; max-width: var(--apple-content-width); height: 1px;
    background: linear-gradient(90deg, transparent, var(--apple-border), transparent);
}
.theme-light .home-hero .hero-title-wrap {
    animation: zhHeroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.theme-light .home-hero .hero-sub-wrap {
    animation: zhHeroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}
.theme-light .home-hero .hero-cta-wrap {
    animation: zhHeroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}
.theme-light .home-hero .hero-image-wrap {
    animation: zhHeroFadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both;
}
.theme-light .home-hero .hero-image-wrap img {
    animation: zhHeroFloat 6s ease-in-out infinite;
    filter: drop-shadow(0 24px 48px rgba(10, 110, 217, 0.12));
}
@keyframes zhHeroFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes zhHeroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* 区块标题：统一渐变下划线点缀（CSS 实现） */
.theme-light .home-nodes .apple-section-title,
.theme-light .home-pricing .apple-section-title,
.theme-light .home-usecases .apple-section-title,
.theme-light .home-why .apple-section-title,
.theme-light .home-brand .apple-section-title {
    position: relative; display: inline-block;
}
.theme-light .home-nodes .apple-section-title::after,
.theme-light .home-pricing .apple-section-title::after,
.theme-light .home-usecases .apple-section-title::after,
.theme-light .home-why .apple-section-title::after,
.theme-light .home-brand .apple-section-title::after {
    content: ''; display: block; width: 40px; height: 3px; margin: 0.5rem auto 0;
    background: var(--brand-gradient); border-radius: 2px;
}
.theme-light .home-nodes .apple-section-title,
.theme-light .home-pricing .apple-section-title,
.theme-light .home-usecases .apple-section-title,
.theme-light .home-why .apple-section-title,
.theme-light .home-brand .apple-section-title { display: block; text-align: center; }
.theme-light .home-nodes .apple-section-title::after,
.theme-light .home-pricing .apple-section-title::after,
.theme-light .home-usecases .apple-section-title::after,
.theme-light .home-why .apple-section-title::after,
.theme-light .home-brand .apple-section-title::after { margin-left: auto; margin-right: auto; }

/* 品牌介绍：高端卡片式布局 + 柔光背景 + 精致 CTA */
.theme-light .home-brand {
    background: linear-gradient(165deg, rgba(230, 234, 241, 0.7) 0%, var(--apple-bg-section) 30%, rgba(238, 241, 247, 0.98) 100%);
    position: relative;
    overflow: hidden;
}
.theme-light .home-brand::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(ellipse at center, var(--brand-glow) 0%, transparent 70%);
    pointer-events: none;
}
.theme-light .home-brand .brand-eyebrow {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--apple-blue);
    margin-bottom: 0.5rem;
    opacity: 0.95;
}
.theme-light .home-brand .brand-with-gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    max-width: 72rem;
    margin: 0 auto;
    text-align: center;
}
.theme-light .home-brand .brand-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    width: 100%;
}
.theme-light .home-brand .brand-gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--apple-bg-section);
    aspect-ratio: 4/3;
    border: 1px solid var(--apple-border);
    box-shadow: var(--apple-shadow);
    transition: box-shadow 0.3s ease, transform 0.25s ease;
}
.theme-light .home-brand .brand-gallery-item:hover {
    box-shadow: var(--apple-shadow-hover);
    transform: translateY(-3px);
}
.theme-light .home-brand .brand-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.theme-light .home-brand .brand-gallery-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    letter-spacing: 0.02em;
}
.theme-light .home-brand .brand-intro-wrap {
    width: 100%;
    max-width: 40rem;
    margin: 0 auto;
    text-align: center;
}
.theme-light .home-brand .brand-intro-card {
    padding: 0;
    text-align: center;
}
.theme-light .home-brand .brand-intro-lead {
    font-size: 1.0625rem;
    line-height: 1.78;
    color: var(--apple-text);
    margin-bottom: 1rem;
}
.theme-light .home-brand .brand-intro-lead strong {
    color: var(--apple-text);
    font-weight: 600;
}
.theme-light .home-brand .brand-intro-sub {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--apple-text-secondary);
    margin-bottom: 1.5rem;
}
.theme-light .home-brand .brand-intro-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--apple-blue);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color 0.2s ease, opacity 0.2s ease, gap 0.25s ease;
}
.theme-light .home-brand .brand-intro-cta:hover {
    color: var(--brand-primary-deep);
    opacity: 0.9;
}
.theme-light .home-brand .brand-intro-cta-arrow {
    font-size: 1.1em;
    transition: transform 0.25s ease;
}
.theme-light .home-brand .brand-intro-cta:hover .brand-intro-cta-arrow {
    transform: translateX(4px);
}
@media (max-width: 767px) {
    .theme-light .home-brand .brand-with-gallery {
        gap: 2rem;
    }
    .theme-light .home-brand .brand-gallery {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }
}

/* 2. 全球节点：背景与主色系统一 */
.theme-light .home-nodes {
    background: linear-gradient(180deg, rgba(234, 238, 245, 0.98) 0%, var(--apple-bg-section) 50%, rgba(238, 241, 247, 0.98) 100%);
}
.theme-light .home-nodes .nodes-row { display: flex; flex-wrap: nowrap; justify-content: center; gap: 0; align-items: stretch; }
.theme-light .home-nodes .node-item {
    flex: 1 1 0%; min-width: 0; padding: 1.75rem 1.25rem; text-align: center;
    border-right: 1px solid var(--apple-border);
    transition: background 0.3s ease, transform 0.25s ease, box-shadow 0.3s ease;
}
.theme-light .home-nodes .node-item:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(10, 110, 217, 0.06);
}
.theme-light .home-nodes .node-item:last-child { border-right: none; }
@media (max-width: 767px) {
    .theme-light .home-nodes .node-item { padding: 1rem 0.5rem; }
    .theme-light .home-nodes .node-flag { font-size: 1.5rem; }
    .theme-light .home-nodes .node-name { font-size: 0.8125rem; }
    .theme-light .home-nodes .node-tag { font-size: 0.625rem; }
    .theme-light .home-nodes .node-desc { font-size: 0.6875rem; }
    .theme-light .home-nodes .node-item:hover { transform: none; }
}
.theme-light .home-nodes .node-flag { font-size: 2rem; line-height: 1; margin-bottom: 0.5rem; transition: transform 0.3s ease; }
.theme-light .home-nodes .node-item:hover .node-flag { transform: scale(1.1); }
.theme-light .home-nodes .node-name { font-size: 1rem; font-weight: 600; color: var(--apple-text); letter-spacing: -0.01em; }
.theme-light .home-nodes .node-tag { font-size: 0.6875rem; font-weight: 600; color: var(--apple-blue); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.25rem; }
.theme-light .home-nodes .node-desc { font-size: 0.75rem; color: var(--apple-text-secondary); margin-top: 0.375rem; line-height: 1.35; }

/* 3. 算力方案 v2：双卡并排、柔和背景、大留白（不与前版重复） */
.theme-light main .home-pricing-v2 {
    background: linear-gradient(165deg, #e6ecf5 0%, #eef2f8 35%, #f2f5fa 100%);
    position: relative;
    padding-top: 5rem;
    padding-bottom: 5.5rem;
}
@media (min-width: 768px) {
    .theme-light main .home-pricing-v2 { padding-top: 6.5rem; padding-bottom: 7rem; }
}
.theme-light .home-pricing-v2-header {
    text-align: center;
    margin-bottom: 3rem;
}
@media (min-width: 768px) {
    .theme-light .home-pricing-v2-header { margin-bottom: 4rem; }
}
.theme-light .home-pricing-v2-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--apple-text);
    margin: 0 0 0.75rem;
    line-height: 1.15;
    -webkit-font-smoothing: antialiased;
}
.theme-light .home-pricing-v2-sub {
    font-size: 1.125rem;
    color: var(--apple-text-secondary);
    margin: 0;
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}
.theme-light .home-pricing-v2-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 960px;
    margin: 0 auto;
}
@media (min-width: 768px) {
    .theme-light .home-pricing-v2-cards { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
.theme-light .home-pricing-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(250, 252, 255, 0.9) 100%);
    border: 1px solid rgba(0, 113, 227, 0.12);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(10, 110, 217, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}
.theme-light .home-pricing-card:hover {
    box-shadow: 0 20px 48px rgba(10, 110, 217, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
    border-color: rgba(0, 113, 227, 0.2);
}
.theme-light .home-pricing-card-flagship:hover {
    border-color: rgba(88, 86, 214, 0.25);
}
/* 卡片顶部色条装饰 */
.theme-light .home-pricing-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--apple-blue), rgba(0, 113, 227, 0.6));
    opacity: 0.9;
}
.theme-light .home-pricing-card-accent-pro {
    background: linear-gradient(90deg, #5856d6, rgba(88, 86, 214, 0.6));
}
.theme-light .home-pricing-card-head {
    padding: 2rem 2rem 1.25rem;
    position: relative;
}
.theme-light .home-pricing-card-label {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(0, 113, 227, 0.12);
    color: var(--apple-blue);
    margin-bottom: 1rem;
}
.theme-light .home-pricing-card-label-pro {
    background: rgba(88, 86, 214, 0.12);
    color: #5856d6;
}
.theme-light .home-pricing-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--apple-text);
    margin: 0 0 0.375rem;
    line-height: 1.25;
}
.theme-light .home-pricing-card-spec {
    font-size: 0.9375rem;
    color: var(--apple-text-secondary);
    margin: 0 0 0.5rem;
    line-height: 1.4;
}
.theme-light .home-pricing-card-tagline {
    font-size: 0.875rem;
    color: var(--apple-text-tertiary);
    margin: 0 0 1.25rem;
    line-height: 1.45;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(0, 113, 227, 0.08);
}
.theme-light .home-pricing-card-features {
    list-style: none;
    padding: 0;
    margin: 0;
}
.theme-light .home-pricing-card-features li {
    font-size: 0.8125rem;
    color: var(--apple-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.theme-light .home-pricing-card-features li:last-child {
    margin-bottom: 0;
}
.theme-light .home-pricing-card-features li i {
    color: var(--apple-blue);
    font-size: 0.75rem;
    width: 1rem;
    text-align: center;
    flex-shrink: 0;
}
.theme-light .home-pricing-card-flagship .home-pricing-card-features li i {
    color: #5856d6;
}
.theme-light .home-pricing-card-body {
    padding: 1.5rem 2rem 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, transparent 0%, rgba(248, 250, 255, 0.5) 100%);
}
.theme-light .home-pricing-card-from {
    font-size: 0.8125rem;
    color: var(--apple-text-tertiary);
    margin: 0 0 1rem;
}
.theme-light .home-pricing-card-from strong {
    color: var(--apple-blue);
    font-weight: 600;
}
.theme-light .home-pricing-card-flagship .home-pricing-card-from strong {
    color: #5856d6;
}
.theme-light .home-pricing-card-step {
    margin-bottom: 1.5rem;
}
.theme-light .home-pricing-card-step-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--apple-text-tertiary);
    margin-bottom: 0.625rem;
}
.theme-light .home-pricing-v2-cards .duration-pills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.theme-light .home-pricing-v2-cards .duration-pills button {
    flex: 1;
    min-width: 0;
    padding: 12px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 12px;
    border: 1px solid rgba(0, 113, 227, 0.2);
    background: rgba(255, 255, 255, 0.9);
    color: var(--apple-text-secondary);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.theme-light .home-pricing-v2-cards .duration-pills button:hover {
    background: rgba(0, 113, 227, 0.08);
    color: var(--apple-text);
    border-color: rgba(0, 113, 227, 0.35);
}
.theme-light .home-pricing-v2-cards .duration-pills button.active-period {
    background: var(--apple-blue);
    color: #fff;
    border-color: var(--apple-blue);
}
.theme-light .home-pricing-card-price {
    margin-top: auto;
    padding-top: 1.5rem;
    margin-bottom: 1.25rem;
    border-top: 1px solid rgba(0, 113, 227, 0.1);
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.25rem;
}
.theme-light .home-pricing-v2-cards .price-num {
    font-size: clamp(2.25rem, 4.5vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--apple-text);
    line-height: 1.1;
    transition: opacity 0.2s;
}
.theme-light .home-pricing-v2-cards .price-unit {
    font-size: 1.0625rem;
    color: var(--apple-text-tertiary);
    margin-left: 4px;
}
.theme-light .home-pricing-card-cta {
    display: block;
    width: 100%;
    padding: 16px 24px;
    border-radius: 14px;
    font-size: 1.0625rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    background: var(--brand-gradient);
    color: #fff;
    text-align: center;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 16px var(--brand-glow);
    font-family: inherit;
    line-height: 1.3;
}
.theme-light .home-pricing-card-cta:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--brand-glow);
}
.theme-light .home-pricing-card-flagship .home-pricing-card-cta {
    background: linear-gradient(135deg, #5856d6 0%, #7d7ae8 100%);
    box-shadow: 0 4px 16px rgba(88, 86, 214, 0.35);
}
.theme-light .home-pricing-card-flagship .home-pricing-card-cta:hover {
    box-shadow: 0 8px 24px rgba(88, 86, 214, 0.4);
}

/* 4. 适用场景：与主背景同色系 */
.theme-light .home-usecases {
    background: linear-gradient(180deg, rgba(234, 238, 244, 0.98) 0%, var(--apple-bg-section) 40%, rgba(240, 243, 248, 0.98) 100%);
}
.theme-light .home-usecases .usecase-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
@media (max-width: 1023px) { .theme-light .home-usecases .usecase-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 479px) { .theme-light .home-usecases .usecase-grid { grid-template-columns: 1fr; } }
.theme-light .home-usecases .usecase-item {
    padding: 2rem 1.5rem; text-align: center; border-right: 1px solid var(--apple-border); border-bottom: 1px solid var(--apple-border);
    transition: background 0.3s ease, transform 0.25s ease;
}
.theme-light .home-usecases .usecase-item:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}
.theme-light .home-usecases .usecase-item:nth-child(4n) { border-right: none; }
@media (max-width: 1023px) { .theme-light .home-usecases .usecase-item:nth-child(2n) { border-right: none; } .theme-light .home-usecases .usecase-item:nth-child(4n) { border-right: 1px solid var(--apple-border); } }
@media (max-width: 479px) { .theme-light .home-usecases .usecase-item { border-right: none; } .theme-light .home-usecases .usecase-item:hover { transform: none; } }
.theme-light .home-usecases .usecase-icon {
    width: 48px; height: 48px; margin: 0 auto 1rem; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.theme-light .home-usecases .usecase-item:hover .usecase-icon {
    transform: scale(1.08);
    box-shadow: 0 8px 20px var(--brand-glow);
}
.theme-light .home-usecases .usecase-icon.blue {
    background: var(--brand-gradient-soft);
    background-color: rgba(10, 110, 217, 0.12);
    color: var(--apple-blue);
}
.theme-light .home-usecases .usecase-icon.purple {
    background: linear-gradient(135deg, rgba(88, 86, 214, 0.15) 0%, rgba(88, 86, 214, 0.06) 100%);
    color: #5856d6;
}
.theme-light .home-usecases .usecase-title { font-size: 1rem; font-weight: 600; color: var(--apple-text); margin-bottom: 0.375rem; }
.theme-light .home-usecases .usecase-desc { font-size: 0.8125rem; color: var(--apple-text-secondary); line-height: 1.4; }

/* 5. 为什么选择：与主背景同色系 */
.theme-light .home-why {
    background: linear-gradient(180deg, rgba(238, 241, 246, 0.98) 0%, var(--apple-bg) 100%);
}
.theme-light .home-why .why-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 0; }
.theme-light .home-why .why-item {
    flex: 1 1 33.333%; min-width: 220px; padding: 2rem 2.5rem; text-align: center; position: relative;
    transition: transform 0.25s ease;
}
.theme-light .home-why .why-item:hover { transform: translateY(-2px); }
.theme-light .home-why .why-item::after { content: ''; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 48px; background: linear-gradient(180deg, transparent, var(--apple-border), transparent); }
.theme-light .home-why .why-item:last-child::after { display: none; }
@media (max-width: 767px) { .theme-light .home-why .why-item::after { display: none; } .theme-light .home-why .why-item { border-bottom: 1px solid var(--apple-border); } .theme-light .home-why .why-item:last-child { border-bottom: none; } .theme-light .home-why .why-item:hover { transform: none; } }
.theme-light .home-why .why-num {
    font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; margin-bottom: 0.75rem;
    background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.theme-light .home-why .why-title { font-size: 1.0625rem; font-weight: 600; color: var(--apple-text); margin-bottom: 0.5rem; }
.theme-light .home-why .why-desc { font-size: 0.8125rem; color: var(--apple-text-secondary); line-height: 1.45; }

/* 6. 价格优势：渐变背景 + 大数字动效 */
.theme-light .home-compare {
    background: linear-gradient(180deg, rgba(10, 110, 217, 0.06) 0%, rgba(10, 110, 217, 0.02) 40%, var(--apple-bg-section) 100%);
}
.theme-light .home-compare .compare-strip { text-align: center; max-width: 640px; margin: 0 auto; }
.theme-light .home-compare .compare-big {
    font-size: clamp(3.5rem, 10vw, 5rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1;
    background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    animation: zhComparePulse 4s ease-in-out infinite;
}
.theme-light .home-compare .compare-big .unit { font-size: 0.35em; font-weight: 600; letter-spacing: 0; vertical-align: 0.35em; margin-left: 0.05em; opacity: 0.9; color: var(--brand-primary); -webkit-text-fill-color: initial; }
@keyframes zhComparePulse {
    0%, 100% { opacity: 1; filter: drop-shadow(0 0 0 transparent); }
    50% { opacity: 0.92; filter: drop-shadow(0 0 12px var(--brand-glow)); }
}
.theme-light .home-compare .compare-line { font-size: 1.125rem; font-weight: 600; color: var(--apple-text); margin-top: 0.75rem; }
.theme-light .home-compare .compare-math { font-size: 1rem; color: var(--apple-text-secondary); margin-top: 1.25rem; letter-spacing: 0.02em; }
.theme-light .home-compare .compare-math .old { text-decoration: line-through; margin-right: 0.5rem; }
.theme-light .home-compare .compare-math .arrow { margin: 0 0.5rem; color: var(--apple-border); font-weight: 300; }
.theme-light .home-compare .compare-math .new { color: var(--apple-blue); font-weight: 600; margin-right: 0.25rem; }
.theme-light .home-compare .compare-math .save { color: var(--apple-text-tertiary); font-size: 0.9375rem; }
.theme-light .home-compare .compare-dots { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 1.25rem; margin-top: 1.75rem; font-size: 0.8125rem; color: var(--apple-text-secondary); }
.theme-light .home-compare .compare-dots span { position: relative; padding-left: 0; }
.theme-light .home-compare .compare-dots span + span::before { content: ''; position: absolute; left: -0.75rem; top: 50%; transform: translateY(-50%); width: 3px; height: 3px; border-radius: 50%; background: var(--apple-text-tertiary); }

/* ========== 内页通用（与首页风格统一） ========== */
.theme-light .page-hero {
    padding-top: 2rem;
    padding-bottom: 2.5rem;
}
.theme-light .page-hero .apple-section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.028em;
    display: block;
    text-align: center;
    -webkit-font-smoothing: antialiased;
}
.theme-light .page-hero .apple-section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    margin: 0.5rem auto 0;
    background: var(--brand-gradient);
    border-radius: 2px;
}
.theme-light .page-hero .apple-section-sub {
    text-align: center;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}
.theme-light main .apple-content { max-width: var(--apple-content-width); margin-left: auto; margin-right: auto; padding-left: 22px; padding-right: 22px; }
.theme-light .inner-section { padding-top: var(--apple-section-padding-y); padding-bottom: var(--apple-section-padding-y); }
@media (min-width: 768px) { .theme-light .inner-section { padding-top: var(--apple-section-padding-y-md); padding-bottom: var(--apple-section-padding-y-md); } }

/* 标题渐变 → 深色/蓝 */
.theme-light .text-cyan-gradient {
    background: linear-gradient(135deg, var(--apple-text) 0%, var(--apple-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- 导航（苹果式：矮栏、细字、无粗边框） ---------- */
.theme-light .nav-cyber {
    height: 44px;
    min-height: 44px;
    background: rgba(251, 251, 253, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--apple-text);
}
.theme-light .nav-cyber .max-w-7xl { max-width: var(--apple-content-width); padding-left: 22px; padding-right: 22px; }
.theme-light .nav-cyber .text-2xl { font-size: 1.125rem; font-weight: 400; letter-spacing: 0; color: var(--apple-text); }
.theme-light .nav-cyber .text-2xl .text-blue-600,
.theme-light .nav-cyber .font-black.text-blue-600 { color: var(--apple-blue) !important; }
.theme-light .nav-cyber .gap-12 { gap: 2rem; }
.theme-light .nav-cyber .text-\[15px\] { font-size: 12px; font-weight: 400; }
.theme-light .nav-cyber .w-10.h-10 { width: 28px; height: 28px; }
.theme-light .nav-cyber .nav-logo-icon { color: var(--apple-blue); border-color: var(--apple-border); }
.theme-light .nav-cyber button { color: var(--apple-text); border-color: var(--apple-border); }
.theme-light .nav-cyber button:hover { color: var(--apple-blue); border-color: var(--apple-blue); }
.theme-light .nav-cyber .auth-nav-btn { color: #fff; background: #1A7AFF; border-color: transparent; }
.theme-light .nav-cyber .auth-nav-btn:hover { background: #1A7AFF; color: #fff; }
.theme-light .nav-link-cyber {
    font-size: 12px;
    font-weight: 400;
    color: var(--apple-text-secondary);
    text-shadow: none;
    transition: color 0.2s;
}
.theme-light .nav-cyber .nav-link-cyber:hover {
    color: var(--apple-blue);
}
.theme-light .nav-link-cyber.active::after { display: none; }
.theme-light .nav-link-cyber.active { color: var(--apple-blue); }
/* 主导航链接与语言切换：完全由本文件控制，不依赖 Tailwind，确保博客等子页面也能正确显示 */
.nav-cyber .nav-links-center {
    display: none;
    gap: 2rem;
    font-size: 12px;
    font-weight: 400;
}
.nav-cyber .nav-lang-wrap { display: none; }
.nav-cyber .nav-mobile-btn { display: flex; }
@media (min-width: 768px) {
    .nav-cyber .nav-links-center {
        display: flex !important;
    }
    .nav-cyber .nav-lang-wrap {
        display: block !important;
    }
    .nav-cyber .nav-mobile-btn {
        display: none !important;
    }
}
@media (max-width: 768px) {
    .theme-light .nav-cyber { height: auto; min-height: 52px; padding-top: env(safe-area-inset-top, 0); padding-bottom: 8px; }
    .theme-light .nav-cyber .max-w-7xl { padding-left: 16px; padding-right: 16px; }
}

/* ---------- 页脚 ---------- */
.theme-light footer {
    background: linear-gradient(180deg, rgba(232, 236, 242, 0.98) 0%, var(--apple-bg-section) 100%);
    border-top: 1px solid var(--apple-border);
}
/* 高级版页脚：与主背景同色系 */
.theme-light .site-footer-premium {
    background: linear-gradient(180deg, rgba(232, 236, 242, 0.98) 0%, var(--apple-bg-section) 100%);
    border-top: 1px solid var(--apple-border);
}
.theme-light .site-footer-premium::before {
    background: linear-gradient(90deg, transparent, var(--apple-border), transparent);
    opacity: 0.8;
}
.theme-light .site-footer-premium .footer-brand-row {
    border-bottom-color: var(--apple-border);
}
.theme-light .site-footer-premium .footer-logo { color: var(--apple-text); }
.theme-light .site-footer-premium .footer-logo-icon {
    background: linear-gradient(135deg, rgba(10, 110, 217, 0.15), rgba(10, 110, 217, 0.08));
    border-color: var(--apple-blue);
    color: var(--apple-blue);
    box-shadow: none;
}
.theme-light .site-footer-premium .footer-logo-text { color: var(--apple-text); }
.theme-light .site-footer-premium .footer-logo-text span { color: var(--apple-blue); }
.theme-light .site-footer-premium .footer-tagline {
    color: var(--apple-text-secondary);
}
.theme-light .site-footer-premium .footer-nodes-label {
    color: var(--apple-text-tertiary);
}
.theme-light .site-footer-premium .footer-node-pill {
    background: var(--apple-card);
    border-color: var(--apple-border);
    color: var(--apple-text);
}
.theme-light .site-footer-premium .footer-node-pill.live {
    border-color: rgba(52, 199, 89, 0.5);
    color: var(--apple-text);
}
.theme-light .site-footer-premium .footer-node-pill .dot {
    background: #34c759;
    box-shadow: 0 0 6px rgba(52, 199, 89, 0.5);
}
.theme-light .site-footer-premium .footer-node-pill.alt .dot {
    background: var(--apple-blue);
    box-shadow: 0 0 6px var(--brand-glow);
}
.theme-light .site-footer-premium .footer-link-group a {
    color: var(--apple-text);
}
.theme-light .site-footer-premium .footer-link-group a:hover {
    color: var(--apple-blue);
    background: rgba(10, 110, 217, 0.08);
}
.theme-light .site-footer-premium .footer-link-sep {
    background: var(--apple-border);
}
.theme-light .site-footer-premium .footer-bottom {
    border-top-color: var(--apple-border);
}
.theme-light .site-footer-premium .footer-copyright {
    color: var(--apple-text-tertiary);
}
.theme-light .site-footer-premium .footer-email {
    color: var(--apple-text-secondary);
}
.theme-light .site-footer-premium .footer-email:hover {
    color: var(--apple-blue);
}
.theme-light .site-footer-premium .footer-partners i {
    color: var(--apple-text-tertiary);
}
.theme-light .site-footer-premium .footer-partners i:hover {
    color: var(--apple-text);
}
.theme-light footer .pt-40 { padding-top: 2.5rem; }
.theme-light footer .pb-20 { padding-bottom: 1.5rem; }
.theme-light footer .max-w-7xl { max-width: var(--apple-content-width); padding-left: 22px; padding-right: 22px; }
.theme-light footer h5 { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em; color: var(--apple-text-tertiary); }
.theme-light footer ul a { font-size: 0.75rem; font-weight: 400; }

/* 价格区块选中态、active-period 等由 HTML 用 bg-blue-600 text-white 等类控制 */
.theme-light .active-period {
    background: var(--apple-blue);
    color: #fff;
    box-shadow: none;
}

/* 弹窗遮罩 */
.theme-light .modal-backdrop-blur { background: rgba(0, 0, 0, 0.4); }

/* Toast 容器（颜色由 JS 内联或 Tailwind 类控制） */
.theme-light .toast {
    background: var(--apple-card);
    border: 1px solid var(--apple-border);
    box-shadow: var(--apple-shadow-hover);
}
.theme-light .toast-content { color: var(--apple-text); }
.theme-light .toast-close { color: var(--apple-text-secondary); }
.theme-light .toast-close:hover { color: var(--apple-text); }

/* Select 浅色（未用 Tailwind 时可备用） */
.theme-light select {
    color: var(--apple-text);
    background-color: var(--apple-card);
    border-color: var(--apple-border);
}
.theme-light select option {
    color: var(--apple-text);
    background-color: var(--apple-card);
}
.theme-light #ticket-helpdesk-select {
    color: var(--apple-text);
    background-color: var(--apple-card);
    border-color: var(--apple-border);
}
.theme-light #ticket-helpdesk-select option {
    color: var(--apple-text);
    background-color: var(--apple-card);
}

/* ---------- 购买页 goumai.html ---------- */
.theme-light .vertical-text { color: var(--apple-text-tertiary); }
.theme-light .step-indicator::before { background: linear-gradient(to bottom, var(--apple-blue), transparent); }
.theme-light .floating-summary {
    background: var(--apple-card);
    border: 1px solid var(--apple-border);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
}
.theme-light input[type="radio"]:checked + .option-inner,
.theme-light input[type="checkbox"]:checked + .option-inner {
    background: rgba(0, 113, 227, 0.06);
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.2);
}
.theme-light input[type="radio"]:checked + .option-inner .period-text,
.theme-light input[type="radio"]:not(:checked) + .option-inner .period-text { color: var(--apple-text); opacity: 1; }
.theme-light input[type="radio"]:not(:checked) + .option-inner .period-text { opacity: 0.5; }

/* ---------- 价格页 jiage.html ---------- */
.theme-light .active-tier {
    background: rgba(0, 113, 227, 0.08);
    border-color: var(--apple-blue);
    border-width: 2px;
    box-shadow: 0 0 0 1px rgba(0, 113, 227, 0.2);
    transform: none;
}

/* ---------- 博客列表（单栏编辑式） ---------- */
.theme-light .blog-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.theme-light .blog-list-item {
    border-radius: 12px;
    background: var(--apple-card);
    box-shadow: var(--apple-shadow);
    border-left: 4px solid var(--apple-blue);
    padding: 0;
    margin: 0;
    transition: box-shadow 0.25s ease, transform 0.2s ease, border-left-color 0.2s ease;
    overflow: hidden;
}
.theme-light .blog-list-item:hover {
    box-shadow: var(--apple-shadow-hover);
    transform: translateX(4px);
}
.theme-light .blog-list-item-link {
    display: block;
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: inherit;
    outline: none;
}
.theme-light .blog-list-item-link:focus-visible {
    outline: 2px solid var(--apple-blue);
    outline-offset: 2px;
}
.theme-light .blog-list-item-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
    color: var(--apple-text-tertiary);
}
.theme-light .blog-list-item-tag {
    font-weight: 600;
    color: var(--apple-blue);
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(10, 110, 217, 0.08);
}
.theme-light .blog-list-item-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--apple-text);
    margin: 0 0 0.5rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.theme-light .blog-list-item-summary {
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--apple-text-secondary);
    margin: 0 0 0.75rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.theme-light .blog-list-item-cta {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--apple-blue);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: gap 0.2s ease, color 0.2s ease;
}
.theme-light .blog-list-item:hover .blog-list-item-cta {
    gap: 0.5rem;
    color: var(--brand-primary-deep);
}
.theme-light .blog-accent-indigo { border-left-color: #4f46e5; }
.theme-light .blog-list-item.blog-accent-indigo .blog-list-item-tag { color: #4f46e5; background: rgba(79, 70, 229, 0.1); }
.theme-light .blog-accent-orange { border-left-color: #f59e0b; }
.theme-light .blog-list-item.blog-accent-orange .blog-list-item-tag { color: #d97706; background: rgba(245, 158, 11, 0.1); }
.theme-light .blog-accent-slate { border-left-color: #64748b; }
.theme-light .blog-list-item.blog-accent-slate .blog-list-item-tag { color: #475569; background: rgba(100, 116, 139, 0.1); }
.theme-light .blog-accent-cyan { border-left-color: #0891b2; }
.theme-light .blog-list-item.blog-accent-cyan .blog-list-item-tag { color: #0e7490; background: rgba(8, 145, 178, 0.1); }
.theme-light .blog-accent-default { border-left-color: var(--apple-blue); }

.theme-light .blog-list-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--apple-card);
    border-radius: 12px;
    box-shadow: var(--apple-shadow);
}
.theme-light .blog-list-empty-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 12px;
    background: var(--apple-bg-section);
    color: var(--apple-text-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.theme-light .blog-list-empty-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--apple-text-secondary);
    margin-bottom: 0.25rem;
}
.theme-light .blog-list-empty-desc {
    font-size: 0.875rem;
    color: var(--apple-text-tertiary);
}

/* 博客统计（列表下方） */
.theme-light .blog-stats {
    margin-top: 1.5rem;
    padding: 0.75rem 0;
    border-top: 1px solid var(--apple-border);
    display: none;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    font-size: 0.8125rem;
    color: var(--apple-text-tertiary);
}
.theme-light .blog-stats.blog-stats-visible {
    display: flex;
}
.theme-light .blog-stats-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.theme-light .blog-stats-item i {
    font-size: 0.75rem;
    opacity: 0.85;
}
.theme-light .blog-stats-sep {
    width: 1px;
    height: 0.875rem;
    background: var(--apple-border);
}

/* 博客分页 */
.theme-light .blog-pagination {
    margin-top: 0.5rem;
    padding: 1rem 0 0.5rem;
}
.theme-light .blog-pagination-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 0.75rem;
}
.theme-light .blog-pagination-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--apple-blue);
    background: var(--apple-card);
    border: 1px solid var(--apple-border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.theme-light .blog-pagination-btn:hover:not(:disabled) {
    background: var(--apple-bg-section);
    border-color: var(--apple-blue);
    color: var(--brand-primary-deep);
}
.theme-light .blog-pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.theme-light .blog-pagination-nums {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.theme-light .blog-pagination-num {
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--apple-text-secondary);
    background: var(--apple-card);
    border: 1px solid var(--apple-border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.theme-light .blog-pagination-num:hover {
    background: var(--apple-bg-section);
    border-color: var(--apple-blue);
    color: var(--apple-blue);
}
.theme-light .blog-pagination-num.blog-pagination-current {
    background: var(--apple-blue);
    border-color: var(--apple-blue);
    color: #fff;
    cursor: default;
}
.theme-light .blog-pagination-num.blog-pagination-current:hover {
    background: var(--apple-blue);
    color: #fff;
}
.theme-light .blog-pagination-ellipsis {
    padding: 0 0.25rem;
    font-size: 0.875rem;
    color: var(--apple-text-tertiary);
}

.theme-light .blog-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}
.theme-light .blog-category-tabs button {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--apple-text-secondary);
    background: var(--apple-card);
    border: 1px solid var(--apple-border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.theme-light .blog-category-tabs button:hover {
    background: var(--apple-bg-section);
    border-color: var(--apple-blue);
    color: var(--apple-blue);
}
.theme-light .blog-category-tabs button.blog-category-active {
    background: var(--apple-blue);
    border-color: var(--apple-blue);
    color: #fff;
}

/* 滚动条 */
.theme-light ::-webkit-scrollbar-track { background: var(--apple-bg-section); }
.theme-light ::-webkit-scrollbar-thumb { background: var(--apple-border); }
.theme-light ::-webkit-scrollbar-thumb:hover { background: var(--apple-text-tertiary); }

/* ---------- 新咨询弹窗（联系支持） ---------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.ticket-modal-card {
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border: 1px solid rgba(34, 197, 94, 0.15);
    border-radius: 24px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(34, 197, 94, 0.06);
    border-left: 4px solid rgba(34, 197, 94, 0.7);
    padding: 0;
}
.ticket-modal-header {
    position: relative;
    padding: 1.5rem 1.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.ticket-modal-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(34, 197, 94, 0.95);
    margin-bottom: 0.5rem;
}
.ticket-modal-title {
    font-size: 1.375rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #f1f5f9;
    margin: 0 0 0.25rem 0;
}
.ticket-modal-desc {
    font-size: 0.8125rem;
    color: #94a3b8;
    margin: 0;
    line-height: 1.45;
}
.ticket-modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: #64748b;
    border-radius: 10px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
}
.ticket-modal-close:hover {
    color: #f1f5f9;
    background: rgba(255, 255, 255, 0.06);
}
.ticket-modal-body {
    padding: 1.5rem 1.75rem 1.75rem;
}
.ticket-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #94a3b8;
    margin-bottom: 0.5rem;
}
.ticket-type-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}
.ticket-type-tab {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.ticket-type-tab:hover {
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.07);
}
.ticket-type-tab.active {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.35);
}
.ticket-textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: #f1f5f9;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    resize: vertical;
    margin-bottom: 1.25rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.ticket-textarea::placeholder {
    color: #64748b;
}
.ticket-textarea:focus {
    outline: none;
    border-color: rgba(34, 197, 94, 0.4);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.08);
}
.ticket-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 700;
    color: #0f172a;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.ticket-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.35);
}

/* 浅色主题下的新咨询弹窗 */
.theme-light .ticket-modal-card {
    background: #ffffff;
    border: 1px solid var(--apple-border);
    border-left: 4px solid #16a34a;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}
.theme-light .ticket-modal-header { border-bottom-color: var(--apple-border); }
.theme-light .ticket-modal-badge { color: #16a34a; }
.theme-light .ticket-modal-title { color: var(--apple-text); }
.theme-light .ticket-modal-desc { color: var(--apple-text-tertiary); }
.theme-light .ticket-modal-close { color: var(--apple-text-tertiary); }
.theme-light .ticket-modal-close:hover { color: var(--apple-text); background: rgba(0, 0, 0, 0.05); }
.theme-light .ticket-label { color: var(--apple-text-secondary); }
.theme-light .ticket-type-tab {
    color: var(--apple-text-secondary);
    background: var(--apple-bg-section);
    border-color: var(--apple-border);
}
.theme-light .ticket-type-tab:hover {
    color: var(--apple-text);
    background: rgba(0, 0, 0, 0.04);
}
.theme-light .ticket-type-tab.active {
    color: #16a34a;
    background: rgba(22, 163, 74, 0.1);
    border-color: rgba(22, 163, 74, 0.35);
}
.theme-light .ticket-textarea {
    color: var(--apple-text);
    background: var(--apple-bg-section);
    border-color: var(--apple-border);
}
.theme-light .ticket-textarea::placeholder { color: var(--apple-text-tertiary); }
.theme-light .ticket-textarea:focus {
    border-color: #16a34a;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}
.theme-light .ticket-submit-btn {
    color: #fff;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}
.theme-light .ticket-submit-btn:hover {
    box-shadow: 0 8px 24px rgba(22, 163, 74, 0.25);
}