/* --- 基础变量设定 (对齐 Pricing 主题) --- */
:root {
    /* 主色调：沉稳的绛红色 */
    --primary-hue: #BA4A4A; 
    --primary-dark: #963a3a;
    
    /* 强调色：流光金 */
    --accent-gold: #C7A86B;
    --accent-gold-light: #E5C17C;
    
    /* 文字颜色 */
    --text-dark: #2C2C2C; 
    --text-gray: #686868;
    --text-light: #999999;
    --text-on-primary: #FFFFFF;

    /* 背景体系 */
    --bg-main: #FDFBF9;       /* 暖调米白 */
    --bg-card: #FFFFFF;
    --bg-card-alt: #FAFAFA;

    /* 尺寸与质感 */
    --border-radius-card: 16px;
    --border-radius-btn: 50px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 20px 40px rgba(186, 74, 74, 0.12);
    --card-border: 1px solid rgba(0,0,0,0.06);
    
    /* 字体栈 */
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "Times New Roman", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.8;
    background-color: var(--bg-main);
    background-image: linear-gradient(to bottom, #FFF8F8 0%, #FDFBF9 100%);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

/* --- 顶部通告栏 --- */
.service-notice-bar {
    background-color: #F9F5EB; /* 极淡的金色背景 */
    color: #8C7335; /* 暗金色文字 */
    text-align: center;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 500;
    border-bottom: 1px solid rgba(199, 168, 107, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* --- 1. 导航栏 (改为白底) --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;

    /* ▼▼▼ 重点是加上 !important ▼▼▼ */
    background: #ffffff !important; 
    /* ▲▲▲ 这样无论怎么滚动，它都会强制保持白色 ▲▲▲ */

    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.03);
    transition: var(--transition);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-hue);
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-logo {
    height: 40px;
    width: auto;
    border-radius: 6px;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    margin-left: 35px;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary-hue);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: var(--border-radius-btn);
    box-shadow: 0 4px 15px rgba(186, 74, 74, 0.2);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(186, 74, 74, 0.3);
}

/* --- 2. Hero 主视觉 --- */
.hero {
    height: 90vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    position: relative;
    margin-top: -72px; /* 抵消导航栏高度，让图片置顶 */
    padding-top: 72px; 
}

.hero-content {
    z-index: 2;
    padding: 0 20px;
    max-width: 900px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.2;
    margin-bottom: 25px;
    color: #fff;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 45px;
    opacity: 0.95;
    font-weight: 400;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-hue) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 16px 48px;
    border-radius: var(--border-radius-btn);
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(186, 74, 74, 0.4);
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.2);
}

.cta-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(186, 74, 74, 0.5);
    background: linear-gradient(135deg, var(--accent-gold) 0%, #b89351 100%);
    border-color: transparent;
}

/* --- 3. 信任/数据条 --- */
.trust-bar {
    background: #fff;
    padding: 30px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    gap: 40px;
}

.trust-label {
    font-weight: 700;
    color: var(--accent-gold);
    font-family: var(--font-serif);
    letter-spacing: 1px;
    position: relative;
    padding-right: 30px;
}

.trust-label::after {
    content: ''; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
    width: 1px; height: 15px; background: #ddd;
}

.brand-icons {
    display: flex;
    gap: 40px;
}

.b-item {
    display: flex; align-items: center; gap: 8px;
    color: var(--text-gray); font-size: 14px;
}
.b-item i { color: var(--accent-gold); font-size: 18px; }

/* --- 4. 数据展示 --- */
.stats {
    padding: 80px 0;
    background: var(--bg-main);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}
.stat-item h3 {
    font-size: 3rem;
    color: var(--primary-hue); /* 使用品牌红 #BA4A4A */
    margin-bottom: 5px;
    font-family: var(--font-serif);
    
    /* 去掉之前的渐变代码，回归纯色 */
    background: none; 
    -webkit-text-fill-color: initial;
}
.stat-item p { 
    color: var(--text-gray); 
    font-size: 14px; 
    letter-spacing: 1px;
}

/* --- 5. 通用区块样式 --- */
.why-us, .process-section, .testimonials { 
    padding: 100px 0; 
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-line {
    width: 60px; height: 3px;
    background: linear-gradient(to right, var(--accent-gold), var(--accent-gold-light));
    margin: 0 auto;
}

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

.f-item {
    padding: 50px 30px;
    border-radius: var(--border-radius-card);
    background: var(--bg-card);
    border: var(--card-border);
    transition: var(--transition);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.f-item:hover { 
    transform: translateY(-10px); 
    box-shadow: var(--shadow-hover); 
}

.f-item i { 
    font-size: 48px; 
    color: var(--accent-gold); 
    margin-bottom: 25px; 
    display: block; 
}

.f-item h3 { margin-bottom: 15px; font-size: 20px; }
.f-item p { color: var(--text-gray); font-size: 15px; }

/* --- 流程步骤 --- */
.process-section { background: var(--bg-card-alt); }

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step { 
    padding: 40px 30px; 
    background: var(--bg-card);
    border-radius: var(--border-radius-card);
    border: var(--card-border);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: var(--transition);
}
.step:hover { transform: translateY(-5px); }

.step-num {
    width: 50px; height: 50px; 
    background: linear-gradient(135deg, var(--primary-hue), var(--primary-dark));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; margin: 0 auto 20px; 
    font-family: var(--font-serif);
    font-size: 22px; font-weight: 700;
    box-shadow: 0 8px 15px rgba(186, 74, 74, 0.2);
}

.step h4 { font-size: 18px; margin-bottom: 10px; }
.step p { font-size: 14px; color: var(--text-gray); }

/* --- 成功案例 --- */
.story-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-card);
    overflow: hidden;
    display: flex;
    box-shadow: var(--shadow-soft);
    border: var(--card-border);
    max-width: 1000px;
    margin: 0 auto;
}

.story-img {
    width: 45%;
    background-size: cover;
    background-position: center;
    min-height: 350px;
}

.story-text {
    padding: 60px;
    width: 55%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.quote-icon {
    font-size: 40px;
    color: rgba(199, 168, 107, 0.2);
    margin-bottom: 20px;
}

.story-text p { 
    font-family: var(--font-serif);
    font-style: italic; 
    font-size: 20px; 
    margin-bottom: 30px; 
    color: var(--text-dark); 
    line-height: 1.6;
}

.story-author strong {
    display: block;
    color: var(--primary-hue);
    font-size: 18px;
    margin-bottom: 5px;
}
.story-author span { font-size: 14px; color: var(--text-light); }

/* --- 页脚 --- */
footer {
    background: #222;
    padding: 60px 0 40px;
    text-align: center;
    color: #888;
    font-size: 14px;
}

.footer-links {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}
.footer-links a:hover { color: var(--accent-gold); }

.divider { color: #444; margin: 0 10px; }

.footer-beian {
    border-top: 1px solid #333;
    padding-top: 30px;
}

.beian-links {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: center;
}
.beian-links a {
    text-decoration: none;
    color: #666;
    display: flex; align-items: center; gap: 5px;
}
.beian-links a:hover { color: #999; }
.beian-links img { width: 16px; height: 16px; opacity: 0.6; }

/* --- 响应式 --- */
@media (max-width: 992px) {
    .story-card { flex-direction: column; }
    .story-img { width: 100%; height: 250px; }
    .story-text { width: 100%; padding: 40px; }
}

@media (max-width: 768px) {
    .navbar { padding: 15px 20px; }
    .nav-links { display: none; }
    .hero-content h1 { font-size: 32px; }
    .hero-content p { padding: 0; font-size: 16px; }
    .trust-bar { flex-direction: column; gap: 20px; text-align: center; }
    .trust-label::after { display: none; }
    .trust-label { padding: 0; margin-bottom: 10px; display: block;}
    .brand-icons { flex-direction: column; gap: 15px; }
    .beian-links { flex-direction: column; gap: 10px; }
}