/* --- 0. 全局变量与重置 --- */
        :root {
            --primary-red: #ff1f3d;
            --dark-red: #5a000c;
            --bg-gradient: linear-gradient(135deg, #1a0505 0%, #000000 100%);
            --card-bg: rgba(255, 31, 61, 0.08);
            --card-border: rgba(255, 31, 61, 0.3);
            --text-main: #ffffff;
            --text-secondary: #cccccc;
            --gold: #ffd700;
            --glass: blur(12px);
        }

        * { 
            margin: 0; 
            padding: 0; 
            box-sizing: border-box; 
            -webkit-tap-highlight-color: transparent;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-gradient);
            color: var(--text-main);
            min-height: 100vh;
            overflow-x: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        /* --- 1. 背景动态特效 --- */
        .bg-glow {
            position: fixed;
            top: -20%;
            left: -20%;
            width: 80vw;
            height: 80vw;
            background: radial-gradient(circle, rgba(255,31,61,0.2) 0%, rgba(0,0,0,0) 70%);
            border-radius: 50%;
            animation: float 10s infinite ease-in-out;
            z-index: -1;
            pointer-events: none;
        }
        .bg-glow:nth-child(2) {
            top: auto; bottom: -20%; left: auto; right: -20%;
            animation-delay: -5s;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(30px, 50px); }
        }

        /* --- 2. 容器布局 --- */
        .container {
            width: 100%;
            max-width: 480px; /* 类似 H5 手机宽度 */
            padding: 20px;
            position: relative;
            z-index: 10;
        }

        /* --- 3. 头部与语言切换 --- */
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            animation: fadeInDown 0.8s ease;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(to right, #fff, var(--primary-red));
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }

        .lang-switch {
            position: relative;
        }

        .lang-btn {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            color: white;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: all 0.3s;
        }

        .lang-btn:hover { background: rgba(255,31,61,0.2); border-color: var(--primary-red); }

        /* 模拟下拉菜单 */
        .lang-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: #1a1a1a;
            border: 1px solid #333;
            border-radius: 12px;
            width: 160px;
            max-height: 300px;
            overflow-y: auto;
            display: none;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            z-index: 1000;
        }
        .lang-dropdown.active { display: block; animation: fadeIn 0.2s; }
        .lang-item {
            padding: 10px 15px;
            font-size: 0.85rem;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            cursor: pointer;
        }
        .lang-item:hover { background: var(--dark-red); color: white; }

        /* --- 4. 价格卡片 --- */
        .section-title {
            text-align: center;
            margin-bottom: 20px;
            font-weight: 600;
            color: var(--text-secondary);
            animation: fadeIn 1s ease;
        }

        .price-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: var(--glass);
            -webkit-backdrop-filter: var(--glass);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
            overflow: hidden;
            transition: transform 0.3s;
            animation: fadeInUp 0.8s ease forwards;
            opacity: 0;
        }

        .price-card:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(255,31,61,0.15); }

        .card-tag {
            position: absolute;
            top: 0;
            right: 0;
            background: var(--primary-red);
            font-size: 0.6rem;
            padding: 4px 8px;
            border-bottom-left-radius: 8px;
            font-weight: bold;
        }

        .price-left h3 { font-size: 1.4rem; font-weight: 800; color: white; }
        .price-left h3 span { color: var(--primary-red); }
        .price-desc { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
        .price-right { text-align: right; }
        .energy-val { color: var(--gold); font-weight: bold; font-size: 1.1rem; }
        .energy-label { font-size: 0.7rem; color: rgba(255,255,255,0.5); }

        /* --- 5. 核心地址区域 --- */
        .address-box {
            background: linear-gradient(145deg, #2a0a0a, #000);
            border: 2px solid var(--primary-red);
            border-radius: 20px;
            padding: 25px 20px;
            text-align: center;
            margin: 30px 0;
            position: relative;
            box-shadow: 0 0 20px rgba(255,31,61,0.2);
            animation: pulse-border 2s infinite, fadeInUp 1s ease 0.2s forwards;
            opacity: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .address-title {
            color: var(--primary-red);
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 15px;
            display: inline-block;
            width: auto;
            white-space: nowrap;
        }

        .address-code {
            font-family: 'Courier New', monospace;
            background: rgba(255,255,255,0.1);
            padding: 12px;
            border-radius: 8px;
            word-break: break-all;
            font-size: 1.05rem;
            color: #fff;
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            border: 1px dashed rgba(255,255,255,0.3);
            margin-bottom: 15px;
            line-height: 1.6;
            cursor: default;
        }

        .address-highlight {
            background: rgba(255, 215, 0, 0.15);
            color: #ffd700;
            padding: 2px 4px;
            border-radius: 3px;
            font-weight: 600;
            border-bottom: 2px solid rgba(255, 215, 0, 0.4);
            transition: all 0.3s ease;
        }
        
        .address-highlight:hover {
            background: rgba(255, 215, 0, 0.25);
            border-bottom-color: rgba(255, 215, 0, 0.6);
        }

        .copy-btn {
            background: var(--primary-red);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(255,31,61,0.4);
            transition: transform 0.2s;
            width: 100%;
            font-size: 1rem;
        }

        .copy-btn:active { transform: scale(0.96); }

        /* --- 6. 提示信息 --- */
        .notice-section {
            background: rgba(0,0,0,0.4);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 20px;
            border-left: 3px solid var(--gold);
            animation: fadeInUp 1s ease 0.4s forwards;
            opacity: 0;
        }

        .notice-title { color: var(--gold); font-weight: bold; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
        .notice-list { list-style: none; }
        .notice-list li {
            font-size: 0.85rem;
            color: #ddd;
            margin-bottom: 8px;
            padding-left: 15px;
            position: relative;
            line-height: 1.4;
        }
        .notice-list li::before {
            content: "•";
            color: var(--primary-red);
            position: absolute;
            left: 0;
        }

        /* --- 7. 底部客服 --- */
        .footer-btns {
            display: flex;
            flex-direction: column;
            gap: 10px;
            animation: fadeInUp 1s ease 0.6s forwards;
            opacity: 0;
        }
        
        .contact-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: rgba(255,255,255,0.05);
            padding: 12px;
            border-radius: 12px;
            text-decoration: none;
            color: white;
            transition: background 0.3s;
            border: 1px solid rgba(255,255,255,0.05);
        }
        
        .contact-btn:hover { background: rgba(255,255,255,0.1); }
        .icon-tg { width: 20px; height: 20px; fill: white; }

        /* --- 动画关键帧 --- */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes fadeIn { to { opacity: 1; } }
        @keyframes pulse-border {
            0% { border-color: var(--primary-red); box-shadow: 0 0 10px rgba(255,31,61,0.2); }
            50% { border-color: #ff6b81; box-shadow: 0 0 25px rgba(255,31,61,0.5); }
            100% { border-color: var(--primary-red); box-shadow: 0 0 10px rgba(255,31,61,0.2); }
        }

        /* Toast 提示 */
        .toast {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(0,0,0,0.9);
            color: white;
            padding: 15px 30px;
            border-radius: 30px;
            z-index: 100;
            display: none;
            border: 1px solid var(--primary-red);
            text-align: center;
        }

        /* 打字机效果 */
        .typewriter {
            overflow: visible;
            white-space: nowrap;
            display: inline-block;
        }

        .typewriter-wrapper {
            display: block;
            width: 100%;
            text-align: center;
        }

        /* 现代化徽章样式 */
        .badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-right: 6px;
        }

        .badge-chart {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .badge-check {
            background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
            color: white;
        }

        .badge-alert {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
        }

        .icon-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
        }

        .icon-circle {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: bold;
        }

        .icon-telegram {
            background: linear-gradient(135deg, #0088cc 0%, #00a0dc 100%);
            color: white;
        }

        .icon-bot {
            background: linear-gradient(135deg, #fc466b 0%, #3f5efb 100%);
            color: white;
        }

        .icon-globe {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid white;
            border-radius: 50%;
            position: relative;
        }

        .icon-globe::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 50%;
            top: 25%;
            left: 0;
            border-top: 1px solid white;
            border-bottom: 1px solid white;
        }

        .icon-globe::after {
            content: '';
            position: absolute;
            width: 40%;
            height: 100%;
            left: 30%;
            top: 0;
            border-left: 1px solid white;
            border-right: 1px solid white;
        }