.hero {
    background-image: url('../images/zban.jpg');
    background-size: cover;
    background-position: center;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 24px;
}

.section {
    padding: 20px 0;
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 36px;
    color: #8b4513;
    text-align: center;
    margin-bottom: 40px;
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 50px;
    margin-bottom: 50px;
}
.section h2 {
    font-size: 36px;
    color: #8b4513;
    text-align: center;
    margin-bottom: 50px;
}
.process-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.process-item:nth-child(even) {
    flex-direction: row-reverse;
}
.process-text {
    flex: 1;
    padding: 0 30px;
}
.process-text h3 {
    font-size: 24px;
    color: #8b4513;
    margin-bottom: 15px;
}
.process-text p {
    font-size: 18px;
    line-height: 1.6;
}
.process-img {
    flex: 1;
    text-align: center;
}
.process-img img {
    width: 255px;
    height: 171px;
    border-radius: 10px;
    display: block;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.materials {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 30px;
}

.material-item {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.material-item img {
    width: 100%;
    height: 185px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.material-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
}

.material-item p {
    font-size: 14px;
    line-height: 1.6;
}

.tools {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 60px;
}

.tools-img {
    width: 40%;
}

.tools-img img {
    width: 600px;
    height: 300px;
    border-radius: 10px;
}

.tools-text {
    width: 47%;
}

.tools-text h3 {
    font-size: 30px;
    color: #8b4513;
    margin-bottom: 20px;
}

.tools-text ul {
    list-style: disc;
    margin-left: 20px;
}

.tools-text li {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 10px;
}