*, *::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: #FFF8F2;
    color: #2D2A25;
}

/* ========== 独特的层叠几何风格 ========== */
/* 背景装饰 - 动态圆环 */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 122, 90, 0.08) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -15%;
    left: -8%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(92, 214, 182, 0.08) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* 全局斜线装饰 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.section {
    padding: 80px 0;
    position: relative;
}

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

/* ========== 导航 ========== */
.site-header { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    z-index: 1000; 
    background: rgba(255, 248, 242, 0.92); 
    backdrop-filter: blur(16px); 
    border-bottom: 2px solid rgba(255, 122, 90, 0.15);
}

.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: 800; 
    font-size: 1.3rem; 
    text-decoration: none; 
    color: #2D2A25;
    letter-spacing: -0.5px;
}

.logo-icon { 
    width: 42px; 
    height: 42px; 
    border-radius: 14px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 1.2rem;
    background: linear-gradient(135deg, #FF7A5A, #FF9A7A);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    top: -6px;
    right: -6px;
}

.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; 
    transition: 0.3s; 
    color: #4A4440;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FF7A5A;
    transition: 0.3s;
}

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

.main-nav a:hover {
    color: #FF7A5A;
}

.nav-cta { 
    padding: 10px 24px; 
    border-radius: 50px; 
    color: #fff !important; 
    font-weight: 700; 
    background: linear-gradient(135deg, #FF7A5A, #E8B84B);
    box-shadow: 0 4px 16px rgba(255, 122, 90, 0.3);
    transition: 0.3s !important;
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 122, 90, 0.4);
    color: #fff !important;
}

.menu-toggle { 
    display: none; 
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 122, 90, 0.1);
    border-radius: 10px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: #2D2A25;
    border-radius: 2px;
    transition: 0.3s;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 45%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 122, 90, 0.06), rgba(92, 214, 182, 0.06));
    border-radius: 0 0 0 40% / 0 0 0 60%;
    z-index: 0;
}

.hero-content { 
    max-width: 680px; 
    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: linear-gradient(135deg, #FF7A5A, #E8B84B);
    color: #fff;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 { 
    font-size: 3.2rem; 
    line-height: 1.15; 
    margin-bottom: 20px; 
    font-weight: 800;
    letter-spacing: -1px;
    color: #2D2A25;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #FF7A5A, #E8B84B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero p { 
    font-size: 1.15rem; 
    opacity: 0.65; 
    max-width: 520px; 
    margin-bottom: 36px; 
    line-height: 1.7;
    color: #4A4440;
}

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

.hero-image { 
    border-radius: 20px; 
    overflow: hidden; 
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 60px rgba(255, 122, 90, 0.15);
}

.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: 700; 
    cursor: pointer; 
    border: none; 
    text-decoration: none; 
    transition: 0.3s; 
    font-size: 0.95rem;
}

.btn-primary { 
    color: #fff; 
    background: linear-gradient(135deg, #FF7A5A, #E8B84B);
    box-shadow: 0 4px 20px rgba(255, 122, 90, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 122, 90, 0.45);
}

.btn-outline { 
    background: transparent; 
    border: 2px solid #FF7A5A; 
    color: #FF7A5A;
}

.btn-outline:hover {
    background: #FF7A5A;
    color: #fff;
    transform: translateY(-3px);
}

/* ========== 标签/标题 ========== */
.section-label { 
    display: inline-block; 
    font-size: 0.75rem; 
    font-weight: 700; 
    letter-spacing: 3px; 
    margin-bottom: 14px; 
    color: #FF7A5A;
    text-transform: uppercase;
    position: relative;
    padding-left: 36px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 2px;
    background: #FF7A5A;
}

.section-title { 
    font-size: 2.4rem; 
    margin-bottom: 16px; 
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #2D2A25;
}

.section-desc { 
    max-width: 580px; 
    opacity: 0.65; 
    margin-bottom: 44px; 
    line-height: 1.7;
    color: #4A4440;
}

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

.category-card { 
    border-radius: 18px; 
    padding: 32px 28px; 
    border: 2px solid rgba(255, 122, 90, 0.1); 
    transition: 0.4s; 
    background: #fff;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #FF7A5A, #5CD6B6);
    transform: scaleX(0);
    transition: 0.4s;
    transform-origin: left;
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover { 
    transform: translateY(-6px); 
    box-shadow: 0 12px 40px rgba(255, 122, 90, 0.12); 
    border-color: rgba(255, 122, 90, 0.2);
}

.card-icon { 
    width: 54px; 
    height: 54px; 
    border-radius: 16px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 18px; 
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 122, 90, 0.1), rgba(92, 214, 182, 0.1));
    color: #FF7A5A;
}

.category-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2D2A25;
}

.category-card p {
    font-size: 0.9rem;
    opacity: 0.6;
    line-height: 1.6;
    margin-bottom: 16px;
    color: #4A4440;
}

.card-link { 
    font-weight: 700; 
    font-size: 0.85rem; 
    text-decoration: none; 
    color: #FF7A5A;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: 0.3s;
}

.card-link:hover {
    gap: 12px;
    color: #E8B84B;
}

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

.feature-image { 
    border-radius: 20px; 
    overflow: hidden; 
    box-shadow: 0 16px 48px rgba(255, 122, 90, 0.1);
    position: relative;
}

.feature-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    pointer-events: none;
}

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

.feature-text h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #2D2A25;
}

.feature-text p {
    opacity: 0.65;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #4A4440;
}

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

.feature-list li { 
    padding: 8px 0; 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    font-weight: 500;
    color: #2D2A25;
}

.feature-list li::before { 
    content: '✦'; 
    font-weight: 700; 
    color: #5CD6B6;
    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: 18px; 
    border: 2px solid rgba(255, 122, 90, 0.08); 
    background: #fff;
    transition: 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(255, 122, 90, 0.08);
    border-color: rgba(255, 122, 90, 0.2);
}

.stat-number { 
    font-size: 2.6rem; 
    font-weight: 900; 
    background: linear-gradient(135deg, #FF7A5A, #E8B84B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label { 
    font-size: 0.9rem; 
    opacity: 0.55; 
    margin-top: 8px; 
    color: #4A4440;
    font-weight: 500;
}

/* ========== 内容墙 ========== */
.content-wall { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); 
    gap: 28px; 
}

.content-wall-item { 
    border-radius: 18px; 
    overflow: hidden; 
    border: 2px solid rgba(255, 122, 90, 0.08); 
    transition: 0.4s; 
    background: #fff;
}

.content-wall-item:hover { 
    transform: translateY(-6px); 
    box-shadow: 0 12px 40px rgba(255, 122, 90, 0.1); 
    border-color: rgba(255, 122, 90, 0.2);
}

.content-wall-item img { 
    width: 100%; 
    height: 220px; 
    object-fit: cover; 
    transition: 0.4s;
}

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

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

.content-wall-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #2D2A25;
}

.content-wall-body p {
    font-size: 0.85rem;
    opacity: 0.6;
    line-height: 1.6;
    color: #4A4440;
}

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

.faq-item { 
    border: 2px solid rgba(255, 122, 90, 0.08); 
    border-radius: 16px; 
    margin-bottom: 10px; 
    overflow: hidden; 
    cursor: pointer; 
    background: #fff;
    transition: 0.3s;
}

.faq-item:hover {
    border-color: rgba(255, 122, 90, 0.2);
}

.faq-item .faq-question { 
    padding: 18px 24px; 
    font-weight: 700; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    color: #2D2A25;
    font-size: 1.05rem;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #FF7A5A;
    transition: 0.3s;
}

.faq-item.open .faq-question::after {
    content: '−';
    transform: rotate(0deg);
}

.faq-item .faq-answer { 
    padding: 0 24px 20px; 
    display: none; 
    opacity: 0.65; 
    line-height: 1.7;
    color: #4A4440;
}

.faq-item.open .faq-answer { 
    display: block; 
}

/* ========== CTA横幅 ========== */
.cta-banner { 
    padding: 64px 32px; 
    text-align: center; 
    border-radius: 24px; 
    background: linear-gradient(135deg, #FF7A5A, #E8B84B, #5CD6B6);
    position: relative;
    overflow: hidden;
    color: #fff !important;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    pointer-events: none;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    pointer-events: none;
}

.cta-banner h2 { 
    color: #fff; 
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
    font-size: 1.05rem;
}

.cta-banner .btn-primary { 
    background: #fff; 
    color: #FF7A5A;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

/* ========== 页脚 ========== */
.site-footer { 
    padding: 64px 0 32px; 
    background: #2D2A25;
    color: rgba(255,255,255,0.7);
    border-radius: 24px 24px 0 0;
    margin-top: 40px;
}

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

.footer-brand h4 {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
    opacity: 0.6;
    line-height: 1.7;
}

.footer-col h5 {
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.3s;
}

.footer-col ul li a:hover {
    color: #FF7A5A;
}

.footer-bottom { 
    border-top: 1px solid rgba(255,255,255,0.08); 
    margin-top: 40px; 
    padding-top: 24px; 
    text-align: center; 
    font-size: 0.85rem; 
    opacity: 0.5;
}

/* ========== 工具类 ========== */
.text-accent { 
    color: #FF7A5A; 
}

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

.seo-description { 
    max-width: 600px; 
    margin: 0 auto 48px; 
    opacity: 0.65; 
    line-height: 1.7;
    color: #4A4440;
}

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

/* ========== 额外装饰元素 ========== */
/* 独特的圆点装饰 */
.dot-decoration {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px dashed rgba(255, 122, 90, 0.2);
    pointer-events: none;
}

.dot-decoration::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #5CD6B6;
    opacity: 0.3;
}

/* 斜线分割 */
.divider-wave {
    width: 100%;
    height: 80px;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 1200 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,40 Q60,0 120,40 T240,40 T360,40 T480,40 T600,40 T720,40 T840,40 T960,40 T1080,40 T1200,40 L1200,80 L0,80 Z' fill='%23FFF5EE'/%3E%3C/svg%3E") no-repeat center bottom;
    background-size: cover;
    margin-bottom: -80px;
    position: relative;
    z-index: 2;
}

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

@media (max-width: 768px) {
    .feature-block { 
        grid-template-columns: 1fr; 
        gap: 40px;
    }
    .stats-bar { 
        grid-template-columns: repeat(2, 1fr); 
    }
    .footer-grid { 
        grid-template-columns: 1fr 1fr; 
    }
    .main-nav { 
        display: none; 
    }
    .menu-toggle { 
        display: flex; 
    }
    .main-nav.open { 
        display: flex; 
        flex-direction: column; 
        position: absolute; 
        top: 72px; 
        left: 0; 
        width: 100%; 
        background: rgba(255, 248, 242, 0.98); 
        padding: 24px;
        gap: 16px;
        border-bottom: 2px solid rgba(255, 122, 90, 0.1);
        backdrop-filter: blur(16px);
    }
    .main-nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero-image {
        margin-top: 32px;
    }
    .section {
        padding: 56px 0;
    }
    .cta-banner {
        padding: 48px 24px;
    }
    .cta-banner h2 {
        font-size: 1.6rem;
    }
    .divider-wave {
        height: 40px;
    }
}

@media (max-width: 480px) {
    .cards-grid, .content-wall, .stats-bar { 
        grid-template-columns: 1fr; 
    }
    .footer-grid { 
        grid-template-columns: 1fr; 
        gap: 32px;
    }
    .hero-buttons { 
        flex-direction: column; 
    }
    .hero h1 {
        font-size: 1.7rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .stat-number {
        font-size: 2rem;
    }
    .logo {
        font-size: 1.1rem;
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}