/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, "PingFang SC", "霞鹜文楷", "Microsoft YaHei", sans-serif;
    background: #FBF8F2;
    color: #33302B;
    line-height: 1.7;
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #ECE5D7;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: #5A4A32;
}

.nav-logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 24px;
    font-size: 14px;
}

.nav-links a {
    color: #6B6256;
    text-decoration: none;
}

.nav-links a:hover {
    color: #7B6BA8;
}

.hero {
    text-align: center;
    padding: 60px 0 40px;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 16px;
    color: #5A4A32;
}

.hero .sub {
    font-size: 16px;
    color: #8A8378;
    max-width: 600px;
    margin: 0 auto 24px;
}

.hot-search {
    font-size: 14px;
    color: #8A8378;
}

.hot-search a {
    color: #7B6BA8;
    text-decoration: none;
    margin: 0 6px;
}

.hot-search a:hover {
    text-decoration: underline;
}

.tool-box {
    max-width: 760px;
    margin: 0 auto;
    background: #FFFDF9;
    border: 1px solid #ECE5D7;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(123, 107, 168, 0.05);
}

.tool-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tab {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    background: #F0E8D8;
    color: #6B6256;
    border: none;
}

.tab.active {
    background: #7B6BA8;
    color: white;
}

.tool-box textarea {
    width: 100%;
    height: 100px;
    padding: 14px;
    border: 1px solid #ECE5D7;
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.8;
    resize: vertical;
    outline: none;
    background: white;
}

.run-btn {
    margin-top: 14px;
    padding: 10px 32px;
    background: #7B6BA8;
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 15px;
    cursor: pointer;
}

.result {
    margin-top: 20px;
    padding: 20px;
    background: #F7F1E5;
    border-radius: 10px;
    font-size: 16px;
    line-height: 2.2;
    display: none;
}

.section {
    margin: 60px 0;
}

.section h2 {
    font-size: 22px;
    margin-bottom: 24px;
    color: #5A4A32;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: #FFFDF9;
    border: 1px solid #ECE5D7;
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
}

.card .card-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.card h3 {
    font-size: 17px;
    margin-bottom: 8px;
    color: #5A4A32;
}

.card p {
    font-size: 14px;
    color: #8A8378;
}

.soft-ad {
    text-align: center;
    margin: 40px 0;
    font-size: 13px;
    color: #A89F8F;
}

footer {
    margin-top: 60px;
    padding: 24px 0;
    border-top: 1px solid #ECE5D7;
    font-size: 13px;
    color: #A89F8F;
    text-align: center;
    line-height: 2;
}

footer a {
    color: #7B6BA8;
    text-decoration: none;
    margin: 0 8px;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 28px;
    }
}