* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Space Grotesk', sans-serif;
    background: #f5faf8;
    color: #1a3a2e;
    line-height: 1.5;
    scroll-behavior: smooth;
}

/* 全新渐变绿主色调 */
:root {
    --grad-start: #9fdfb2;
    --grad-mid: #5cb85c;
    --grad-end: #1e6b3b;
    --primary-light: #7fcd91;
    --primary: #2a7a4b;
    --primary-dark: #0f543b;
    --primary-glow: rgba(42, 122, 75, 0.12);
    --secondary: #2b6c9e;
    --accent: #d9943b;
    --card-white: #ffffff;
    --border-light: rgba(42, 122, 75, 0.12);
    --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.02), 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 20px 35px -12px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 25px 40px -16px rgba(30, 107, 59, 0.18);
    --transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    z-index: 1000;
    border-bottom: 1px solid rgba(42, 122, 75, 0.12);
    box-shadow: 0 1px 15px rgba(0,0,0,0.03);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon svg {
    width: 44px;
    height: 44px;
}

.logo-text .main {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(130deg, #2a7a4b, #1e6b3b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo-text .sub {
    font-size: 0.55rem;
    color: #5c8b72;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

    .nav-links a {
        text-decoration: none;
        font-weight: 600;
        color: #2c5a45;
        transition: var(--transition);
        font-size: 0.95rem;
    }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
        }

.menu-toggle {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--primary);
}

.btn-nav-consult {
    background: linear-gradient(95deg, var(--primary), var(--primary-dark));
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 40px;
    margin-left: 0.5rem;
}
/* Hero 强化营销 */
.hero {
    min-height: 100vh;
    background: linear-gradient(125deg, #ffffff 0%, #eff7f0 100%);
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    position: relative;
}

    .hero .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 2rem;
    }

.hero-content {
    flex: 1.2;
}

.hero-badge {
    background: linear-gradient(120deg, rgba(42,122,75,0.12), rgba(95,195,110,0.08));
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.4rem 1.2rem;
    border-radius: 40px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-size: 3.4rem;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.2;
    background: linear-gradient(125deg, #1b5e3a, #2a7a4b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin: 1.8rem 0;
}

    .hero-stats div span:first-child {
        font-weight: 800;
        font-size: 1.5rem;
        color: var(--primary);
    }

.btn-group {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.btn-primary {
    background: linear-gradient(95deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.9rem 2.2rem;
    border-radius: 44px;
    font-weight: 700;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 10px 18px -6px rgba(42,122,75,0.3);
}

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 18px 28px -8px rgba(30,107,59,0.4);
    }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    padding: 0.9rem 2rem;
    border-radius: 44px;
    font-weight: 600;
    text-decoration: none;
}

    .btn-outline:hover {
        background: var(--primary);
        color: white;
    }
/* 服务卡片 强化展示 */
.section {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #2a7a4b, #1e6b3b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-sub {
    text-align: center;
    color: #5a7c6a;
    max-width: 700px;
    margin: 1rem auto 3rem;
}

.cards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.service-card {
    background: white;
    border-radius: 32px;
    padding: 2rem;
    flex: 1 1 270px;
    transition: all 0.3s;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    text-align: center;
    cursor: pointer;
}

    .service-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-hover);
    }

.card-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, #7fcd91, #2a7a4b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1e4a36;
}

.service-tag {
    display: inline-block;
    background: #eef6e8;
    border-radius: 30px;
    padding: 0.2rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: 1rem;
}
/* 解决方案高亮 */
.solution-showcase {
    background: #ffffff;
    border-radius: 60px;
    margin: 0 20px;
    padding: 2rem 0;
}

.solution-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.solution-item {
    background: #fefef7;
    border-radius: 2rem;
    padding: 2rem;
    flex: 1 1 280px;
    transition: 0.2s;
    border-left: 5px solid var(--primary);
    box-shadow: 0 8px 20px rgba(0,0,0,0.02);
}

    .solution-item i {
        font-size: 2.2rem;
        background: linear-gradient(135deg, #7fcd91, #2a7a4b);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin-bottom: 1rem;
    }
/* 转化组件 */
.lead-magnet {
    background: linear-gradient(125deg, #eef7ea, #e0f0e3);
    border-radius: 48px;
    margin: 2rem 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 15px 30px -12px rgba(0,0,0,0.08);
}

    .lead-magnet h3 {
        font-size: 1.8rem;
        color: #1e4a36;
        margin-bottom: 1rem;
    }

.inline-form {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 600px;
    margin: 2rem auto 0;
}

    .inline-form input {
        flex: 1;
        padding: 0.9rem 1.2rem;
        border-radius: 60px;
        border: 1px solid #cbdcd0;
        background: white;
    }

    .inline-form button {
        background: var(--primary);
        color: white;
        border: none;
        padding: 0.9rem 2rem;
        border-radius: 60px;
        font-weight: bold;
        cursor: pointer;
    }
/* 深度沟通区域 多表单 */
.contact-section {
    background: linear-gradient(105deg, #153729 0%, #1d4635 100%);
    border-radius: 48px 48px 0 0;
}

.contact-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    padding: 3rem 2rem;
}

.contact-info h3, .contact-form h3 {
    color: #cae3d2;
    margin-bottom: 1rem;
}

.contact-details p {
    color: #cfe6db;
    margin: 0.7rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.contact-form input, .contact-form textarea, .contact-form select {
    width: 100%;
    padding: 12px 18px;
    margin: 10px 0;
    background: #2b5a48;
    border: none;
    border-radius: 36px;
    color: white;
}

.contact-form button {
    background: var(--accent);
    border: none;
    padding: 12px 26px;
    border-radius: 40px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
}

.floating-chat {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: var(--primary);
    width: 55px;
    height: 55px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    cursor: pointer;
    z-index: 99;
    transition: 0.2s;
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    color: #cfe0d6;
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
        flex-direction: column;
        background: white;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        padding: 1rem;
        gap: 1rem;
        text-align: center;
        box-shadow: 0 15px 20px rgba(0,0,0,0.05);
    }

        .nav-links.active {
            display: flex;
        }

    .menu-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.3rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .inline-form {
        flex-direction: column;
    }
}