:root {
    --primary-blue: #2c3e50;
    --primary-yellow: #fff7d6;
    --secondary-blue: #729cc6;
    --dark-text: #333;
    --light-text: #666;
    --background: #f9f9f9;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 通用组件样式 */
.main {
    margin-top: 10rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 min(15px, 5%);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
        url("https://playfultours.com/img/tourism/trips/trip_index_title.jpg") no-repeat center center/cover;
    color: white;
    padding: 80px min(40px, 5%);
    text-align: center;
    border-radius: 15px;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: var(--primary-yellow);
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 25px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-yellow);
    color: var(--dark-text);
    padding: 15px min(35px, 5%);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    margin-top: 15px;
}

.btn:hover {
    background-color: #e6e600;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Intro Section */
.intro {
    background: linear-gradient(135deg,
            var(--primary-blue),
            var(--secondary-blue));
    color: white;
    padding: 40px min(40px, 5%);
    border-radius: 15px;
    margin-bottom: 30px;
    text-align: center;
}

.intro h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: var(--primary-yellow);
}

.intro-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.intro-item {
    flex: 1;
    min-width: min(300px, 100%);
    background-color: rgba(255, 255, 255, 0.15);
    padding: 25px min(25px, 5%);
    border-radius: 10px;
    backdrop-filter: blur(5px);
}

.intro-item i {
    font-size: 2.5rem;
    color: var(--primary-yellow);
    margin-bottom: 15px;
}

.intro-item h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

/* Services Section */
.services {
    margin-bottom: 40px;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-blue);
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: var(--primary-yellow);
}

.services-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.service-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    text-align: left;
    width: 350px;
    display: flex;
    flex-direction: column;
    line-height: 1.8;

}

.service-card:hover {
    transform: translateY(-10px);
}

.service-img {
    width: 100%;
    height: 200px;
    /* aspect-ratio: 1; */
    background-color: #ddd;
    object-fit: cover;
    object-position: center;
}

.service-title {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 0.3rem;
}

.service-content {
    padding: 20px min(20px, 5%);
    font-size: 0.9rem;
}

.service-price {
    color: red;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    background-color: #fff8f8;
    padding: 50px min(40px, 5%);
    border-radius: 15px;
    margin-bottom: 40px;
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 40px;
    justify-content: space-around;
}

.feature {
    text-align: center;
    padding: 30px min(20px, 5%);
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    width: min(250px, 100%);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.feature h3 {
    margin-bottom: 15px;
    color: var(--dark-text);
}

/* Process Section */
.process {
    margin-bottom: 40px;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    flex-wrap: wrap;
}

.p-step {
    flex: 1;
    min-width: min(250px, 100%);
    text-align: center;
    padding: 0 min(20px, 5%);
    margin-bottom: 30px;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
    position: relative;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .intro h2 {
        font-size: 1.4rem;
    }

    .intro-item h3 {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .process-steps {
        flex-direction: column;
    }

    .step:after,
    .step:before {
        display: none;
    }

    .intro-content {
        flex-direction: column;
    }
}