*,
*::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: #faf8f5;
    color: #2c2b28;
}

/* 核心布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section:nth-child(even) {
    background: #f5f2ed;
}

/* 导航 — 杂志风半透明 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid #e8e2d9;
}

.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: 1.4rem;
    text-decoration: none;
    color: #2c2b28;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: #f0a500;
    color: #fff;
}

.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: 0.2s;
    color: #5c5a55;
    letter-spacing: 0.3px;
    position: relative;
}

.main-nav a:hover {
    color: #f0a500;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #f0a500;
    transition: width 0.3s;
}

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

.nav-cta {
    padding: 10px 24px;
    border-radius: 50px;
    color: #fff !important;
    font-weight: 600;
    background: #f0a500;
    border: none;
}

.nav-cta:hover {
    background: #d99400;
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
}

/* 首页Hero — 暖色调大胆排版 */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #faf8f5 0%, #f5ede4 100%);
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(240, 165, 0, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 720px;
    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: #f0a500;
    color: #fff;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 900;
    letter-spacing: -1px;
    color: #1f1e1b;
}

.hero h1 .highlight {
    color: #f0a500;
    position: relative;
    display: inline-block;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 6px;
    background: rgba(240, 165, 0, 0.3);
    z-index: -1;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.75;
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.6;
    color: #4a4843;
}

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

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-primary {
    color: #fff;
    background: #f0a500;
}

.btn-primary:hover {
    background: #d99400;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240, 165, 0, 0.35);
}

.btn-outline {
    background: transparent;
    border: 2px solid #2c2b28;
    color: #2c2b28;
}

.btn-outline:hover {
    background: #2c2b28;
    color: #fff;
    transform: translateY(-2px);
}

/* 标签/标题 */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 12px;
    text-transform: uppercase;
    color: #f0a500;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 14px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #1f1e1b;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    margin-bottom: 40px;
    line-height: 1.7;
    color: #5c5a55;
}

/* 卡片网格 — 圆润卡片层叠 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

.category-card {
    border-radius: 20px;
    padding: 32px;
    border: 1px solid #e8e2d9;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: #fff;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #f0a500, #ffd166);
    opacity: 0;
    transition: opacity 0.3s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

.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: 18px;
    font-size: 1.5rem;
    background: #f5f2ed;
    color: #f0a500;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #f0a500;
    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: 20px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
}

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

.feature-text {
    padding: 20px 0;
}

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

.feature-list {
    list-style: none;
    margin-top: 8px;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: #4a4843;
}

.feature-list li::before {
    content: '✦';
    font-weight: 700;
    color: #f0a500;
    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: 20px;
    border: 1px solid #e8e2d9;
    background: #fff;
    transition: transform 0.3s;
}

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

.stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    background: linear-gradient(135deg, #f0a500, #ffd166);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-top: 8px;
    color: #5c5a55;
}

/* 内容墙 */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #e8e2d9;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: #fff;
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

.content-wall-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

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

.content-wall-body p {
    font-size: 0.9rem;
    opacity: 0.7;
    line-height: 1.6;
}

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

.faq-item {
    border: 1px solid #e8e2d9;
    border-radius: 16px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #fff;
    transition: box-shadow 0.3s;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.05rem;
    color: #1f1e1b;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    transition: transform 0.3s;
    color: #f0a500;
}

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

.faq-item .faq-answer {
    padding: 0 24px 20px;
    display: none;
    opacity: 0.7;
    line-height: 1.7;
    color: #5c5a55;
}

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

/* CTA横幅 */
.cta-banner {
    padding: 64px 32px;
    text-align: center;
    border-radius: 24px;
    color: #fff;
    background: linear-gradient(135deg, #f0a500, #ffb347);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

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

.cta-banner p {
    opacity: 0.9;
    margin-bottom: 28px;
    font-size: 1.05rem;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #f0a500;
    font-weight: 700;
}

.cta-banner .btn-primary:hover {
    background: #f5f2ed;
    transform: translateY(-2px);
}

/* 页脚 */
.site-footer {
    padding: 64px 0 32px;
    background: #2c2b28;
    color: #d6d2cb;
}

.site-footer .container {
    max-width: 1200px;
}

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

.footer-brand {
    font-size: 0.95rem;
    line-height: 1.7;
}

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

.footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

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

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

.footer-col ul li a {
    color: #a8a49e;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: #f0a500;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: #8a8680;
}

/* 工具类 */
.text-accent {
    color: #f0a500;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.7;
    line-height: 1.7;
}

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

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

/* 响应式 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .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;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: #2c2b28;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(250, 248, 245, 0.98);
        padding: 24px 32px;
        gap: 20px;
        border-bottom: 1px solid #e8e2d9;
    }

    .section-title {
        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;
    }

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

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