/* Reset & Basics */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
    font-size: 16px;
}

/* Header */
.hero {
    background: #f5f5f5;
    color: #333;
    text-align: center;
    padding: clamp(2rem, 5vw, 4rem) 1rem;
}

.header-content {
    max-width: 90%;
    margin: 0 auto;
}

.logo {
    width: clamp(60px, 10vw, 100px);
    height: auto;
    object-fit: contain;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: bold;
    color: #66cc00;
}

.hero p {
    font-size: clamp(1rem, 3vw, 1.2rem);
    opacity: 0.9;
}

/* Sections */
.section {
    padding: clamp(2rem, 5vw, 3rem) clamp(1rem, 3vw, 2rem);
    max-width: 1400px;
    margin: 0 auto;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: #66cc00;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    text-align: left;
}

p {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    text-align: left;
}

/* Mini Sections */
.mini-section {
    background: #fafafa;
    padding: clamp(1.5rem, 4vw, 2rem);
}

/* Links */
a {
    color: #66cc00;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: clamp(0.8rem, 2vw, 1rem);
}

.footer-text {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    text-align: center; /* 文字居中 */
}

/* 媒体查询 */
@media (max-width: 768px) {
    .hero {
        padding: 2rem 1rem;
    }
    .section, .mini-section {
        padding: 2rem 3%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    h2 {
        font-size: 1.2rem;
    }
    p {
        font-size: 0.85rem;
    }
}