/* ===== 版本2：左右布局 ===== */

/* Hero区域 - 左右布局 */
.hero-section-v2 {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 120px 60px 80px;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

/* 左侧内容 */
.hero-content-left {
    flex: 1;
    max-width: 50%;
}

/* 大标题 - 2倍大 */
.hero-title-large {
    font-size: 240px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 48px;
    letter-spacing: -0.04em;
    line-height: 0.9;
    background: linear-gradient(135deg, #FF6B35 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleFadeIn 1s ease-out;
}

@keyframes titleFadeIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 副标题行 - 2倍大 */
.hero-subtitle-line {
    font-size: 56px;
    color: #2c3e50;
    line-height: 1.4;
    margin-bottom: 16px;
    animation: subtitleFadeIn 1s ease-out 0.3s both;
    font-weight: 500;
}

.hero-subtitle-line:last-child {
    margin-bottom: 0;
}

@keyframes subtitleFadeIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 右侧图片 */
.hero-image-right {
    flex: 1;
    max-width: 45%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration {
    width: 100%;
    height: auto;
    max-width: 600px;
    animation: floatAnimation 3s ease-in-out infinite;
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== 主要功能模块样式 ===== */
.features-section {
    padding: 60px 40px;
    background: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    position: relative;
    padding: 28px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #FF6B35 0%, #8B5CF6 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.feature-card:hover {
    background: #ffffff;
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(255, 107, 53, 0.1);
    border-color: rgba(255, 107, 53, 0.3);
}

.feature-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #FF6B35 0%, #8B5CF6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 16px;
    padding-right: 50px;
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-label {
    font-size: 12px;
    font-weight: 700;
    color: #FF6B35;
    margin-top: 6px;
}

.feature-text {
    font-size: 14px;
    color: #6c757d;
    line-height: 1.6;
}

/* ===== 其他区域样式 ===== */

.intro-section {
    background: #ffffff;
}

.pain-points {
    gap: 20px;
}

.pain-point {
    position: relative;
    padding: 36px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.pain-point::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, #FF6B35 0%, #8B5CF6 100%);
    transition: height 0.4s ease;
}

.pain-point:hover::before {
    height: 100%;
}

.pain-point:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.12);
    border-color: rgba(255, 107, 53, 0.2);
}

.pain-content {
    position: relative;
}

.pain-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    position: relative;
    padding-left: 20px;
}

.pain-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #FF6B35 0%, #8B5CF6 100%);
    border-radius: 50%;
}

.pain-desc {
    font-size: 15px;
    color: #6c757d;
    line-height: 1.8;
}

.value-section {
    background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
}

.value-card {
    position: relative;
    padding: 36px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF6B35 0%, #8B5CF6 50%, #3B82F6 100%);
    background-size: 200% auto;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.value-card:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
    border-color: rgba(255, 107, 53, 0.2);
}

.value-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.value-desc {
    font-size: 15px;
    color: #6c757d;
    line-height: 1.8;
}

.benefits-section {
    background: #ffffff;
}

.benefit-item {
    position: relative;
    padding: 36px;
    background: rgba(248, 249, 250, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    transition: all 0.4s ease;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}

.benefit-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.benefit-item:hover::after {
    opacity: 1;
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 107, 53, 0.2);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.08);
}

.benefit-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.benefit-desc {
    font-size: 14px;
    color: #6c757d;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ===== 响应式优化 ===== */
@media (max-width: 768px) {
    .hero-title-large {
        font-size: 64px;
    }

    .hero-subtitle-line {
        font-size: 20px;
    }

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