/* --- 基础变量设定 --- */
:root {
    --primary: #ff5e78;       /* 懂你品牌粉 */
    --primary-hover: #e64c65;
    --dark: #34495e;          /* 深邃蓝，代表专业与稳重 */
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;      /* 浅灰背景，增加高级感 */
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 全局样式 --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; } /* 平滑滚动 */

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

/* --- 1. 导航栏 --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    position: absolute;
    width: 100%;
    z-index: 100;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i { color: var(--primary); font-size: 28px; }

.nav-links a {
    color: var(--white);
    text-decoration: none;
    margin-left: 30px;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary);
    padding: 10px 24px;
    border-radius: 50px;
}

/* --- 2. Hero 主视觉 --- */
.hero {
    height: 100vh;
    /* 删掉原有的 background-image 路径 */
    background-size: cover;      /* 确保图片撑满全屏 */
    background-position: center; /* 图片居中展示 */
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem); /* 自适应字体大小 */
    line-height: 1.2;
    margin-bottom: 25px;
    font-weight: 800;
}

.hero-content p {
    font-size: 1.2rem;
    /* 核心修改：将 max-width 从 700px 扩大，并强制不换行 */
    max-width: 1100px; 
    white-space: nowrap; 
    margin: 0 auto 40px;
    opacity: 0.9;
}

.cta-btn {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 18px 45px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(255, 94, 120, 0.3);
    transition: var(--transition);
}

.cta-btn:hover {
    transform: translateY(-3px);
    background: var(--primary-hover);
    box-shadow: 0 15px 30px rgba(255, 94, 120, 0.4);
}

/* --- 3. 信任/数据展示区 --- */
.trust-bar {
    background: var(--bg-light);
    padding: 40px 8%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    font-weight: 500;
    color: var(--text-muted);
}

.brand-icons {
    display: flex;
    gap: 30px;
    color: var(--dark);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    padding: 80px 8%;
    background: var(--white);
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-item p { color: var(--text-muted); font-size: 14px; }

/* --- 4. 服务流程与特性 --- */
.why-us, .process-section { padding: 100px 8%; text-align: center; }
.why-us h2, .process-section h2 { font-size: 2.2rem; margin-bottom: 60px; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.f-item {
    padding: 50px 30px;
    border-radius: 20px;
    background: var(--bg-light);
    transition: var(--transition);
}

.f-item:hover { transform: translateY(-10px); background: var(--white); box-shadow: 0 20px 40px rgba(0,0,0,0.05); }

.f-item i { font-size: 40px; color: var(--primary); margin-bottom: 20px; display: block; }

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.step { position: relative; padding: 20px; }
.step span {
    width: 40px; height: 40px; background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; margin: 0 auto 20px; font-weight: bold;
}

/* --- 5. 成功故事 --- */
.testimonials { padding: 100px 8%; background: var(--bg-light); text-align: center; }

.story-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    align-items: center;
    text-align: left;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
}

.story-card img { width: 40%; height: 350px; object-fit: cover; }
.story-text { padding: 40px; }
.story-text p { font-style: italic; font-size: 1.1rem; margin-bottom: 20px; color: var(--text-main); }
.story-text span { color: var(--text-muted); font-weight: 500; }

/* --- 6. 获客表单 --- */
.form-container { padding: 100px 8%; display: flex; justify-content: center; }
.form-box {
    width: 100%;
    max-width: 550px;
    padding: 60px;
    background: var(--white);
    border-radius: 30px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    text-align: center;
}

.form-box h2 { margin-bottom: 30px; }
.form-box input, .form-box select {
    width: 100%; padding: 15px 20px; margin-bottom: 15px;
    border: 1px solid #e2e8f0; border-radius: 12px; outline: none; font-size: 16px;
}

.submit-btn {
    width: 100%; background: var(--dark); color: #fff; padding: 18px;
    border: none; border-radius: 12px; font-size: 18px; font-weight: 600;
    cursor: pointer; transition: var(--transition);
}

.submit-btn:hover { background: #2c3e50; transform: scale(1.02); }

/* --- 7. 页脚合规样式 --- */
footer {
    background: var(--dark);
    padding: 60px 8%;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin: 0 15px;
}

.footer-links a:hover { color: var(--primary); }

.copy {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8); /* 提高亮度，增加对比度，解决模糊问题 */
    margin-top: 20px; /* 增加与上方链接的间距 */
    text-align: center; /* 强制水平居中 */
    display: block; /* 确保作为块级元素占据整行 */
    opacity: 1; /* 去掉之前的 0.6 透明度，让文字更清晰 */
}
/* --- 响应式处理 --- */
@media (max-width: 768px) {
    nav { padding: 20px 5%; }
    .nav-links { display: none; } /* 手机端隐藏导航链接 */
    .story-card { flex-direction: column; }
    .story-card img { width: 100%; height: 250px; }
    .form-box { padding: 40px 20px; }
    .trust-bar { flex-direction: column; gap: 20px; }
}

/* 顶部服务申明条样式 */
.service-notice-bar {
    background-color: #fefce8; /* 浅黄色背景，起到提醒作用 */
    color: #854d0e;            /* 深褐色文字，保证清晰度 */
    text-align: center;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 500;
    border-bottom: 1px solid #fef08a;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* 适配移动端 */
@media (max-width: 768px) {
    .service-notice-bar {
        font-size: 12px;
        padding: 8px 15px;
        line-height: 1.4;
    }
}