/* 全局重置 */
:root {
    --primary-yellow: #FFD200;
    --secondary-orange: #FF8A00;
    --accent-pink: #FF9AA2;
    --text-dark: #2D2D2D;
    --bg-light: #FFFDF0;
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

body {
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 公共按钮样式 */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-orange));
    color: var(--white);
    padding: 16px 48px;
    border-radius: 30px;
    border: none;
    font-size: 20px;
    font-weight: 800;
    text-align: center;
    box-shadow: 0 6px 0px #D47100, 0 10px 20px rgba(255, 138, 0, 0.3);
    transition: all 0.2s ease;
    cursor: pointer;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0px #D47100, 0 5px 10px rgba(255, 138, 0, 0.2);
}

/* 导航栏 */
.navbar {
    height: 70px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--primary-yellow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
}

.navbar-content {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 900;
    color: var(--secondary-orange);
}

.logo img {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 首屏 Hero */
.hero {
    position: relative;
    background: radial-gradient(circle at top, #FFF9C4, var(--primary-yellow));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 20px 80px;
    margin-top: 0;
    border-bottom-left-radius: 40px;
    border-bottom-right-radius: 40px;
    box-shadow: 0 10px 30px rgba(255, 210, 0, 0.2);
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--text-dark);
    font-weight: 900;
    letter-spacing: 1px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 32px;
    color: #5D4037;
    font-weight: 500;
}

.micro-note {
    font-size: 14px;
    margin-top: 20px;
    color: #795548;
    background: rgba(255, 255, 255, 0.5);
    padding: 4px 16px;
    border-radius: 20px;
}

/* 核心体验 */
.features {
    padding: 60px 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    width: 100%;
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
    font-weight: 900;
    color: var(--secondary-orange);
    position: relative;
}

.features h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--primary-yellow);
    margin: 8px auto 0;
    border-radius: 2px;
}

.feature-card {
    flex: 0 0 calc(50% - 10px);
    background: var(--white);
    border-radius: 24px;
    border: 3px solid #FFF176;
    padding: 24px 15px;
    text-align: center;
    box-shadow: 0 8px 0px #FFF9C4;
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 16px;
    filter: drop-shadow(0 4px 4px rgba(0,0,0,0.05));
}

.feature-card p {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-dark);
}

/* 使用场景 */
.scenarios {
    display: flex;
    flex-direction: column;
    padding: 40px 20px;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.scenario {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border: 1px solid #EEEEEE;
}

.scenario img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.scenario p {
    padding: 20px;
    font-size: 18px;
    font-weight: 800;
    color: var(--secondary-orange);
}

/* 用户信任 */
.trust {
    padding: 60px 20px 100px;
    text-align: center;
    background: #FFFDE7;
    margin-top: 40px;
    border-top-left-radius: 40px;
    border-top-right-radius: 40px;
}

.trust h2 {
    margin-bottom: 24px;
    font-size: 28px;
    font-weight: 900;
    color: var(--secondary-orange);
}

.trust-stars {
    margin-bottom: 16px;
}

.trust-stars span {
    color: #FFC107;
    font-size: 24px;
    margin: 0 2px;
}

.trust p {
    font-size: 18px;
    font-weight: 600;
    color: #5D4037;
    margin-bottom: 30px;
}

.trust-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.trust-card {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    color: var(--text-dark);
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border-left: 5px solid var(--primary-yellow);
    text-align: left;
    position: relative;
}

.trust-card::before {
    content: '“';
    position: absolute;
    left: 10px;
    top: 5px;
    font-size: 40px;
    color: var(--primary-yellow);
    opacity: 0.3;
}

/* 移动端适配优化 */
@media (min-width: 768px) {
    .feature-card {
        flex: 0 0 calc(25% - 15px);
    }
    .scenarios {
        flex-direction: row;
    }
    .trust-cards {
        flex-direction: row;
    }
    .trust-card {
        flex: 1;
    }
}