text-light); }
.input-section-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.75rem; display: flex; align-items: center; }
.input-section-title i { margin-right: 0.5rem; color: var(--primary-color); }

</style>
</head>
<body>
<div class="container">
<header>
<div class="lang-toggle-container">
    <div class="lang-option" id="lang-zh">中</div>
    <div class="lang-option" id="lang-en">EN</div>
    <div class="theme-switch-wrapper">
        <div class="theme-switch" id="theme-toggle" title="�