*, *::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-color: #FFF8F0;
    color: #2D3436;
    line-height: 1.6;
}

/* ===== 背景装饰 - 大型光晕 ===== */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60%;
    height: 70%;
    background: radial-gradient(ellipse at 30% 40%, rgba(255, 125, 90, 0.12) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -15%;
    right: -8%;
    width: 55%;
    height: 60%;
    background: radial-gradient(ellipse at 70% 60%, rgba(252, 207, 124, 0.15) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

/* ===== 核心布局 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

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

.section:nth-child(even) {
    background: rgba(255, 248, 240, 0.6);
    position: relative;
}

.section:nth-child(even)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(255, 125, 90, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 248, 240, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 125, 90, 0.10);
    transition: background 0.3s;
}

.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: #2D3436;
    letter-spacing: -0.3px;
}

.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, #FF7D5A 0%, #FCCF7C 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 125, 90, 0.25);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    color: #555;
    transition: all 0.3s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FF7D5A, #FCCF7C);
    transition: width 0.3s;
    border-radius: 2px;
}

.main-nav a:hover {
    color: #FF7D5A;
}

.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, #FF7D5A 0%, #FCCF7C 100%);
    box-shadow: 0 4px 16px rgba(255, 125, 90, 0.25);
    transition: all 0.3s !important;
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 125, 90, 0.35);
    color: #fff !important;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #FF7D5A;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: rgba(255, 125, 90, 0.08);
}

/* ===== 首页Hero ===== */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 70%;
    height: 80%;
    background: radial-gradient(ellipse at 70% 40%, rgba(252, 207, 124, 0.12) 0%, rgba(168, 216, 234, 0.06) 50%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}

.hero-content {
    max-width: 720px;
    position: relative;
}

.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, rgba(255, 125, 90, 0.10), rgba(252, 207, 124, 0.10));
    color: #FF7D5A;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border: 1px solid rgba(255, 125, 90, 0.10);
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #2D3436;
}

.hero h1 .text-accent {
    background: linear-gradient(135deg, #FF7D5A, #FCCF7C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.65;
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 125, 90, 0.10);
    background: linear-gradient(135deg, #FFF0E6, #FFF8F0);
    border: 1px solid rgba(255, 125, 90, 0.06);
}

.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 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 0.92rem;
    letter-spacing: 0.2px;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #FF7D5A 0%, #FCCF7C 100%);
    box-shadow: 0 4px 20px rgba(255, 125, 90, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 125, 90, 0.35);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 125, 90, 0.25);
    color: #FF7D5A;
}

.btn-outline:hover {
    border-color: #FF7D5A;
    background: rgba(255, 125, 90, 0.05);
    transform: translateY(-2px);
}

/* ===== 标签/标题 ===== */
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 14px;
    color: #FF7D5A;
    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: linear-gradient(90deg, #FF7D5A, #FCCF7C);
    border-radius: 2px;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: #2D3436;
    line-height: 1.2;
}

.section-desc {
    max-width: 600px;
    opacity: 0.65;
    margin-bottom: 44px;
    font-size: 1.05rem;
    line-height: 1.7;
}

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

.category-card {
    border-radius: 20px;
    padding: 32px 28px;
    border: 1px solid rgba(255, 125, 90, 0.06);
    background: #fff;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF7D5A, #FCCF7C);
    opacity: 0;
    transition: opacity 0.4s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(255, 125, 90, 0.08);
    border-color: rgba(255, 125, 90, 0.12);
}

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

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(255, 125, 90, 0.08), rgba(252, 207, 124, 0.08));
    color: #FF7D5A;
    transition: all 0.3s;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, #FF7D5A, #FCCF7C);
    color: #fff;
    box-shadow: 0 8px 24px rgba(255, 125, 90, 0.20);
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #FF7D5A;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
    margin-top: 12px;
}

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

/* ===== 特性块 ===== */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.feature-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 125, 90, 0.06);
    background: linear-gradient(135deg, #FFF0E6, #FFF8F0);
    border: 1px solid rgba(255, 125, 90, 0.06);
}

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

.feature-text .section-title {
    margin-top: 8px;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: #444;
}

.feature-list li::before {
    content: '✓';
    font-weight: 800;
    color: #FF7D5A;
    font-size: 1.1rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 125, 90, 0.08);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    padding: 32px 20px;
    border-radius: 20px;
    border: 1px solid rgba(255, 125, 90, 0.06);
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    transition: all 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(255, 125, 90, 0.06);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FF7D5A, #FCCF7C);
    -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;
    font-weight: 500;
}

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

.content-wall-item {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 125, 90, 0.06);
    background: #fff;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(255, 125, 90, 0.06);
    border-color: rgba(255, 125, 90, 0.12);
}

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.6s;
}

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

.content-wall-body {
    padding: 24px 24px 28px;
}

.content-wall-body h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.content-wall-body p {
    font-size: 0.88rem;
    opacity: 0.6;
    line-height: 1.6;
}

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

.faq-item {
    border: 1px solid rgba(255, 125, 90, 0.08);
    border-radius: 16px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #fff;
    transition: all 0.3s;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}

.faq-item:hover {
    border-color: rgba(255, 125, 90, 0.15);
    box-shadow: 0 6px 20px rgba(255, 125, 90, 0.04);
}

.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #2D3436;
    font-size: 0.98rem;
    letter-spacing: 0.2px;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #FF7D5A;
    transition: transform 0.4s;
}

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

.faq-item .faq-answer {
    padding: 0 24px 20px;
    display: none;
    opacity: 0.65;
    line-height: 1.7;
    font-size: 0.92rem;
}

.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, #FF7D5A 0%, #FCCF7C 50%, #FFD93D 100%);
    color: #fff;
    box-shadow: 0 20px 60px rgba(255, 125, 90, 0.20);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

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

.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    font-size: 1.05rem;
    position: relative;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #FF7D5A;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
    position: relative;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

/* ===== 页脚 ===== */
.site-footer {
    padding: 64px 0 28px;
    background: #fff;
    border-top: 1px solid rgba(255, 125, 90, 0.06);
    position: relative;
}

.site-footer .container {
    position: relative;
}

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

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    opacity: 0.55;
    line-height: 1.7;
    max-width: 300px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: #2D3436;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

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

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

.footer-col a {
    text-decoration: none;
    font-size: 0.88rem;
    opacity: 0.55;
    transition: all 0.3s;
    color: #2D3436;
}

.footer-col a:hover {
    opacity: 1;
    color: #FF7D5A;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 125, 90, 0.06);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    opacity: 0.45;
    color: #555;
}

/* ===== 工具类 ===== */
.text-accent {
    color: #FF7D5A;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.65;
    font-size: 1.02rem;
    line-height: 1.7;
}

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

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

/* ===== 额外装饰元素 ===== */
/* 页面装饰圆点 */
.deco-dots {
    position: fixed;
    top: 12%;
    right: 5%;
    width: 80px;
    height: 80px;
    background-image: radial-gradient(circle, rgba(255, 125, 90, 0.06) 2px, transparent 2px);
    background-size: 16px 16px;
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.6rem;
    }
    .footer-grid {
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 60vh;
        padding-top: 100px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .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, 248, 240, 0.98);
        backdrop-filter: blur(16px);
        padding: 24px 28px;
        gap: 16px;
        border-bottom: 2px solid rgba(255, 125, 90, 0.06);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    }

    .main-nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }

    .nav-cta {
        text-align: center;
        padding: 12px 24px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .cta-banner {
        padding: 40px 24px;
    }
    .cta-banner h2 {
        font-size: 1.6rem;
    }

    .content-wall {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section {
        padding: 48px 0;
    }

    .stat-number {
        font-size: 2rem;
    }

    .header-inner {
        height: 64px;
    }

    .logo {
        font-size: 1.05rem;
    }
    .logo-icon {
        width: 34px;
        height: 34px;
        font-size: 1rem;
    }

    .cta-banner h2 {
        font-size: 1.3rem;
    }
}