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

body { 
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; 
    overflow-x: hidden;
    background: #FFFAF5;
    color: #2D1B1B;
}

/* ===== 独特视觉语言：柔焦玻璃态 + 暖珊瑚色调 ===== */
/* 灵感：温暖、通透、现代，如晨光穿透磨砂玻璃 */

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
}

.section { 
    padding: 100px 0; 
    position: relative;
}

.section:nth-child(even) { 
    background: #FFF5EE; 
}

/* 装饰性背景元素 */
.section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -120px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,107,91,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.section:nth-child(even)::before {
    top: auto;
    bottom: -60px;
    left: -100px;
    right: auto;
    background: radial-gradient(circle, rgba(255,183,77,0.07) 0%, transparent 70%);
}

/* ===== 导航 ===== */
.site-header { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    z-index: 1000; 
    background: rgba(255,250,245,0.82); 
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    border-bottom: 1px solid rgba(255,107,91,0.10);
    transition: background 0.4s;
}

.header-inner { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    height: 72px; 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
}

.logo { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-weight: 700; 
    font-size: 1.3rem; 
    text-decoration: none; 
    color: #2D1B1B;
    letter-spacing: 0.5px;
}

.logo-icon { 
    width: 40px; 
    height: 40px; 
    border-radius: 12px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 1.2rem;
    background: linear-gradient(135deg, #FF6B5B, #FFB74D);
    color: #fff;
    box-shadow: 0 4px 14px rgba(255,107,91,0.25);
}

.main-nav { 
    display: flex; 
    align-items: center; 
    gap: 32px; 
    list-style: none; 
}

.main-nav a { 
    text-decoration: none; 
    font-size: 0.9rem; 
    font-weight: 500; 
    color: #5A3E3E;
    transition: color 0.3s, transform 0.2s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FF6B5B;
    border-radius: 2px;
    transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.main-nav a:hover {
    color: #FF6B5B;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-cta { 
    padding: 10px 24px; 
    border-radius: 50px; 
    color: #fff !important; 
    font-weight: 600; 
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A);
    box-shadow: 0 4px 16px rgba(255,107,91,0.30);
    transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 28px rgba(255,107,91,0.35) !important;
}

.nav-cta::after {
    display: none !important;
}

.menu-toggle { 
    display: none; 
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #2D1B1B;
    cursor: pointer;
    padding: 8px;
}

/* ===== Hero ===== */
.hero { 
    min-height: 85vh; 
    display: flex; 
    align-items: center; 
    position: relative;
    overflow: hidden;
    padding-top: 72px;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -80px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,183,77,0.10) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content { 
    max-width: 740px; 
    position: relative;
    z-index: 1;
}

.hero-eyebrow { 
    display: inline-block; 
    font-size: 0.8rem; 
    font-weight: 700; 
    padding: 6px 18px; 
    border-radius: 50px; 
    margin-bottom: 20px; 
    background: rgba(255,107,91,0.10);
    color: #FF6B5B;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero h1 { 
    font-size: 3.2rem; 
    line-height: 1.18; 
    margin-bottom: 20px; 
    font-weight: 750;
    letter-spacing: -0.5px;
    color: #1F0F0F;
}

.hero h1 .text-accent {
    background: linear-gradient(135deg, #FF6B5B, #FFB74D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p { 
    font-size: 1.1rem; 
    opacity: 0.6; 
    max-width: 540px; 
    margin-bottom: 36px; 
    line-height: 1.7;
    color: #4A3030;
}

.hero-buttons { 
    display: flex; 
    gap: 16px; 
}

.hero-image { 
    border-radius: 16px; 
    overflow: hidden; 
    box-shadow: 0 20px 60px rgba(255,107,91,0.12);
}

.hero-image img { 
    width: 100%; 
    height: auto; 
    display: block;
}

/* ===== 按钮 ===== */
.btn { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    padding: 14px 32px; 
    border-radius: 50px; 
    font-weight: 600; 
    cursor: pointer; 
    border: none; 
    text-decoration: none; 
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.btn-primary { 
    color: #fff; 
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A);
    box-shadow: 0 6px 20px rgba(255,107,91,0.30);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(255,107,91,0.35);
}

.btn-outline { 
    background: transparent; 
    border: 1.5px solid #FF6B5B; 
    color: #FF6B5B;
}

.btn-outline:hover {
    background: rgba(255,107,91,0.06);
    transform: translateY(-3px);
}

/* ===== 标签/标题 ===== */
.section-label { 
    display: inline-block; 
    font-size: 0.75rem; 
    font-weight: 700; 
    letter-spacing: 2px; 
    margin-bottom: 14px; 
    color: #FF6B5B;
    text-transform: uppercase;
}

.section-title { 
    font-size: 2.2rem; 
    margin-bottom: 16px; 
    font-weight: 720;
    letter-spacing: -0.3px;
    color: #1F0F0F;
}

.section-desc { 
    max-width: 620px; 
    opacity: 0.6; 
    margin-bottom: 48px; 
    line-height: 1.7;
    color: #4A3030;
}

.text-center .section-desc {
    margin-left: auto;
    margin-right: auto;
}

/* ===== 卡片网格 ===== */
.cards-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); 
    gap: 28px; 
}

.category-card { 
    border-radius: 16px; 
    padding: 32px 28px; 
    background: rgba(255,255,255,0.70);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,107,91,0.08);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #FF6B5B, #FFB74D);
    opacity: 0;
    transition: opacity 0.4s;
}

.category-card:hover { 
    transform: translateY(-6px); 
    box-shadow: 0 16px 48px rgba(255,107,91,0.10);
    border-color: rgba(255,107,91,0.15);
}

.category-card:hover::before {
    opacity: 1;
}

.card-icon { 
    width: 52px; 
    height: 52px; 
    border-radius: 14px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 20px; 
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(255,107,91,0.10), rgba(255,183,77,0.10));
    color: #FF6B5B;
}

.category-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    font-weight: 650;
}

.category-card p {
    font-size: 0.9rem;
    opacity: 0.55;
    line-height: 1.6;
    margin-bottom: 18px;
}

.card-link { 
    font-weight: 600; 
    font-size: 0.85rem; 
    text-decoration: none; 
    color: #FF6B5B;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}

.card-link:hover {
    gap: 12px;
}

/* ===== 特性块 ===== */
.feature-block { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 60px; 
    align-items: center; 
}

.feature-image { 
    border-radius: 16px; 
    overflow: hidden; 
    box-shadow: 0 20px 60px rgba(255,107,91,0.08);
}

.feature-image img { 
    width: 100%; 
    height: auto; 
    display: block;
}

.feature-text h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-text p {
    opacity: 0.6;
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-list { 
    list-style: none; 
}

.feature-list li { 
    padding: 8px 0; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-size: 0.95rem;
}

.feature-list li::before { 
    content: '✓'; 
    font-weight: 700; 
    color: #FF6B5B;
    font-size: 1.1rem;
}

/* ===== 数据条 ===== */
.stats-bar { 
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 28px; 
    text-align: center; 
}

.stat-item { 
    padding: 32px 20px; 
    border-radius: 16px; 
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,107,91,0.06);
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
}

.stat-number { 
    font-size: 2.6rem; 
    font-weight: 800; 
    background: linear-gradient(135deg, #FF6B5B, #FFB74D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.stat-label { 
    font-size: 0.9rem; 
    opacity: 0.55; 
    margin-top: 8px; 
    color: #4A3030;
}

/* ===== 内容墙 ===== */
.content-wall { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
    gap: 28px; 
}

.content-wall-item { 
    border-radius: 16px; 
    overflow: hidden; 
    background: rgba(255,255,255,0.70);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,107,91,0.06);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.content-wall-item:hover { 
    transform: translateY(-6px); 
    box-shadow: 0 16px 48px rgba(255,107,91,0.10);
    border-color: rgba(255,107,91,0.12);
}

.content-wall-item img { 
    width: 100%; 
    height: 210px; 
    object-fit: cover; 
    transition: transform 0.6s;
}

.content-wall-item:hover img {
    transform: scale(1.03);
}

.content-wall-body { 
    padding: 24px; 
}

.content-wall-body h4 {
    font-size: 1.05rem;
    font-weight: 650;
    margin-bottom: 8px;
}

.content-wall-body p {
    font-size: 0.88rem;
    opacity: 0.55;
    line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list { 
    max-width: 800px; 
    margin: 0 auto; 
}

.faq-item { 
    border: 1px solid rgba(255,107,91,0.08); 
    border-radius: 14px; 
    margin-bottom: 10px; 
    overflow: hidden; 
    cursor: pointer; 
    background: rgba(255,255,255,0.55);
    backdrop-filter: blur(4px);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
    border-color: rgba(255,107,91,0.15);
}

.faq-item .faq-question { 
    padding: 18px 24px; 
    font-weight: 600; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    font-size: 0.95rem;
    color: #2D1B1B;
    transition: color 0.3s;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: #FF6B5B;
    transition: transform 0.4s;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-item .faq-answer { 
    padding: 0 24px 18px; 
    display: none; 
    opacity: 0.6; 
    line-height: 1.7;
    font-size: 0.9rem;
}

.faq-item.open .faq-answer { 
    display: block; 
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 0.6;
        transform: translateY(0);
    }
}

/* ===== CTA横幅 ===== */
.cta-banner { 
    padding: 64px 32px; 
    text-align: center; 
    border-radius: 20px; 
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A, #FFB74D);
    color: #fff; 
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.10) 0%, transparent 60%);
    border-radius: 50%;
}

.cta-banner h2 { 
    color: #fff; 
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}

.cta-banner p {
    color: rgba(255,255,255,0.80);
    max-width: 500px;
    margin: 0 auto 28px;
    font-size: 1.05rem;
    position: relative;
}

.cta-banner .btn-primary { 
    background: #fff; 
    color: #FF6B5B;
    box-shadow: 0 6px 24px rgba(0,0,0,0.10);
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0,0,0,0.15);
}

/* ===== 页脚 ===== */
.site-footer { 
    padding: 64px 0 32px; 
    background: #F5ECE6;
    border-top: 1px solid rgba(255,107,91,0.06);
}

.footer-grid { 
    display: grid; 
    grid-template-columns: 2fr 1fr 1fr 1fr; 
    gap: 48px; 
}

.footer-brand p {
    opacity: 0.55;
    line-height: 1.7;
    font-size: 0.9rem;
    margin-top: 12px;
}

.footer-col h5 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #FF6B5B;
    margin-bottom: 18px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    text-decoration: none;
    color: #5A3E3E;
    font-size: 0.9rem;
    opacity: 0.65;
    transition: opacity 0.3s, color 0.3s;
}

.footer-col ul li a:hover {
    opacity: 1;
    color: #FF6B5B;
}

.footer-bottom { 
    border-top: 1px solid rgba(45,27,27,0.06); 
    margin-top: 48px; 
    padding-top: 24px; 
    text-align: center; 
    font-size: 0.85rem; 
    opacity: 0.45;
}

/* ===== 工具类 ===== */
.text-accent { 
    color: #FF6B5B; 
}

.text-center { 
    text-align: center; 
}

.seo-description { 
    max-width: 600px; 
    margin: 0 auto 48px; 
    opacity: 0.6; 
    line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FFFAF5;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FF6B5B, #FFB74D);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #FF6B5B;
}

/* ===== 选中文本 ===== */
::selection {
    background: rgba(255,107,91,0.20);
    color: #2D1B1B;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.6rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .feature-block { 
        grid-template-columns: 1fr; 
        gap: 40px;
    }
    
    .feature-image {
        order: -1;
    }
    
    .stats-bar { 
        grid-template-columns: repeat(2, 1fr); 
    }
    
    .footer-grid { 
        grid-template-columns: 1fr 1fr; 
    }
    
    .main-nav { 
        display: none; 
    }
    
    .menu-toggle { 
        display: flex; 
        align-items: center;
        justify-content: center;
    }
    
    .main-nav.open { 
        display: flex; 
        flex-direction: column; 
        position: absolute; 
        top: 72px; 
        left: 0; 
        width: 100%; 
        background: rgba(255,250,245,0.98);
        backdrop-filter: blur(18px);
        padding: 24px 28px; 
        gap: 20px;
        border-bottom: 1px solid rgba(255,107,91,0.08);
        box-shadow: 0 20px 40px rgba(0,0,0,0.04);
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-banner {
        padding: 48px 24px;
    }
    
    .cta-banner h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar { 
        grid-template-columns: 1fr; 
    }
    
    .footer-grid { 
        grid-template-columns: 1fr; 
    }
    
    .hero-buttons { 
        flex-direction: column; 
        gap: 12px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .stat-item {
        padding: 24px 16px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}