/* Banner区域样式 */
.hero {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    max-width: 800px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* 特性标签 */
.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.hero-features span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-features i {
    color: var(--accent-color);
}

/* 统计数据 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2.5rem 0;
}

.hero-stats .stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem 2rem;
    border-radius: 10px;
}

.hero-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.hero-stats .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 适用人群 */
.hero-trust {
    margin: 2rem 0;
    text-align: center;
}

.trust-label {
    font-size: 1.1rem;
    margin-right: 1rem;
}

.trust-logos {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.trust-logos span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trust-logos i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* 按钮样式 */
.hero-buttons {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--primary-color);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--text-light);
    color: var(--text-light);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 内容板块样式 */
.content-section {
    padding: 4rem 2rem;
    background: var(--bg-light);
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

/* 教程步骤卡片 */
.tutorial-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.step-card {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.step-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* 功能特点 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature-content p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* 问答板块样式 */
.qa-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.qa-item {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.qa-item:hover {
    transform: translateY(-3px);
}

.qa-item h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.qa-item h3 i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.qa-item p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-left: 2.5rem;
}

/* 使用技巧 */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.tip-card {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.tip-card:hover {
    transform: translateY(-5px);
}

.tip-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.tip-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.tip-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .tutorial-steps,
    .tips-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tutorial-steps,
    .tips-grid {
        grid-template-columns: 1fr;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .feature-icon {
        margin: 0 auto;
    }

    .qa-item {
        padding: 1.5rem;
    }

    .qa-item h3 {
        font-size: 1.1rem;
    }

    .qa-item p {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .trust-logos {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}