/* 自定义样式 */
.copywriter-hero {
    padding: 60px 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.copywriter-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.1), rgba(30, 144, 255, 0.1));
    border-radius: 50%;
    z-index: 0;
}

.copywriter-hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: fadeInLeft 1s ease forwards;
}

.hero-left h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero-left h2 {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.trust-points {
    margin-bottom: 32px;
}

.trust-point {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    opacity: 0;
    transform: translateY(20px);
}

.trust-point:nth-child(1) {
    animation: fadeInUp 0.5s ease forwards 0.6s;
}

.trust-point:nth-child(2) {
    animation: fadeInUp 0.5s ease forwards 0.8s;
}

.trust-point:nth-child(3) {
    animation: fadeInUp 0.5s ease forwards 1s;
}

.trust-point span {
    color: var(--success);
    margin-right: 10px;
    font-weight: 700;
}

/* 新增特性展示 */
.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.feature-item svg {
    width: 32px;
    height: 32px;
    margin-bottom: 8px;
    color: var(--accent);
}

.feature-item span {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-right {
    opacity: 0;
    transform: translateX(50px);
    animation: fadeInRight 1s ease forwards 0.3s;
    background: var(--bg-primary);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.slider-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 0;
}

.form-group.half,
.form-group.slider-half {
    width: 100%;
}

.form-group.full {
    width: 100%;
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
}

/* 滑动条紧凑样式 */
.slider-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.slider-container input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 4px;
    background: linear-gradient(to right, #e0e0e0 0%, #f5576c 50%, #FF6600 100%);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    border: 3px solid #FF6600;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border-color: #f5576c;
}

.slider-container input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    border: 3px solid #FF6600;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.slider-container input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border-color: #f5576c;
}

.slider-value {
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FF6600 0%, #f5576c 100%);
    color: white;
    font-weight: 700;
    font-size: 16px;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(255, 102, 0, 0.3);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
}

.slider-labels span {
    font-size: 11px;
    color: var(--text-muted);
}

.slider-tip {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    padding: 4px 8px;
    background: rgba(255, 102, 0, 0.05);
    border-radius: var(--radius);
    border-left: 2px solid var(--accent);
}

.generate-btn {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    font-weight: 700;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(255, 102, 0, 0.5);
}

.generate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.generate-btn:hover::before {
    left: 100%;
}

.generate-btn svg {
    width: 20px;
    height: 20px;
    margin-left: 10px;
    transition: transform 0.3s ease;
}

.generate-btn:hover svg {
    transform: translateX(5px);
}

/* 结果区域样式 */
.result-section {
    padding: 60px 0;
    background: var(--bg-primary);
    display: none;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.result-section.active {
    opacity: 1;
    transform: translateY(0);
}

.result-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.result-header {
    text-align: center;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.result-section.active .result-header {
    opacity: 1;
    transform: translateY(0);
}

/* 评分展示样式 */
.score-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.score-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.score-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.score-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.score-value {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #FF6600 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.original-score .score-value {
    background: linear-gradient(135deg, #2196F3 0%, #64B5F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.optimized-score .score-value {
    background: linear-gradient(135deg, #4CAF50 0%, #8BC34A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-detail {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
}

.score-analysis {
    margin-top: 16px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(30, 144, 255, 0.05) 0%, rgba(147, 112, 219, 0.05) 100%);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
}

.score-analysis h5 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.score-analysis p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: justify;
}

.optimized-score .score-analysis {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05) 0%, rgba(139, 195, 74, 0.05) 100%);
    border-left-color: #4CAF50;
}

/* 文案卡片样式 */
.result-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.result-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.copy-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.copy-card-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #FF6600 0%, #f5576c 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 102, 0, 0.2);
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
}

.copy-btn:active {
    transform: translateY(0);
}

.copy-btn svg {
    width: 16px;
    height: 16px;
}

.copy-btn.copied {
    background: linear-gradient(135deg, #4CAF50 0%, #8BC34A 100%);
}

.result-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.result-content p {
    margin-bottom: 12px;
}

.copy-analysis,
.optimization-reason {
    margin-top: 20px;
    padding: 16px;
    background: rgba(255, 102, 0, 0.05);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
}

.optimization-reason {
    background: rgba(76, 175, 80, 0.05);
    border-left-color: #4CAF50;
}

.copy-analysis h5,
.optimization-reason h5 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.copy-analysis p,
.optimization-reason p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.promo-bar {
    text-align: center;
    padding: 16px;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.08) 0%, rgba(245, 87, 108, 0.08) 100%);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.pain-points-section {
    padding: 100px 24px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.pain-points-section::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.05) 0%, rgba(245, 87, 108, 0.05) 100%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.pain-points-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(30, 144, 255, 0.05) 0%, rgba(147, 112, 219, 0.05) 100%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.pain-points-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.pain-points-header {
    text-align: center;
    margin-bottom: 60px;
}

.pain-points-header .section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #FF6600 0%, #f5576c 100%);
    color: white;
    font-size: 14px;
    font-weight: 700;
    border-radius: 100px;
    margin-bottom: 16px;
}

.pain-points-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.pain-points-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.pain-icon-flat {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.08) 0%, rgba(245, 87, 108, 0.08) 100%);
    border-radius: var(--radius-lg);
    color: var(--accent);
}

.pain-icon-flat svg {
    width: 36px;
    height: 36px;
}

.pain-point-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 2px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pain-point-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #F44336 0%, #FF5722 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.pain-point-card.highlight::before {
    background: linear-gradient(90deg, #FF6600 0%, #f5576c 100%);
    transform: scaleX(1);
}

.pain-point-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 102, 0, 0.3);
}

.pain-point-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.pain-point-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.pain-impact {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.pain-impact span {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: rgba(244, 67, 54, 0.08);
    color: #d32f2f;
    font-size: 13px;
    font-weight: 600;
    border-radius: 6px;
}

.pain-impact span svg {
    opacity: 0.8;
}

.pain-solution {
    margin-top: 20px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.08) 0%, rgba(245, 87, 108, 0.08) 100%);
    border-radius: var(--radius);
    text-align: center;
}

.pain-solution strong {
    color: var(--accent);
    font-size: 15px;
}

/* 数据统计区域 - 扁平化风格 */
.success-stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 48px 40px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.stats-item {
    text-align: center;
    padding: 0 24px;
}

.stats-icon-flat {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.stats-icon-flat svg {
    width: 32px;
    height: 32px;
}

/* 彩色背景 */
.stats-blue-bg {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.08) 0%, rgba(100, 181, 246, 0.08) 100%);
    color: #2196F3;
}

.stats-green-bg {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.08) 0%, rgba(139, 195, 74, 0.08) 100%);
    color: #4CAF50;
}

.stats-orange-bg {
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.08) 0%, rgba(245, 87, 108, 0.08) 100%);
    color: var(--accent);
}

.stats-number {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.2;
}

.gradient-blue {
    background: linear-gradient(135deg, #2196F3 0%, #64B5F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-green {
    background: linear-gradient(135deg, #4CAF50 0%, #8BC34A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-orange {
    background: linear-gradient(135deg, #FF6600 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.4;
}

.stats-divider {
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.06), transparent);
}

.case-study-section {
    padding: 120px 24px;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.case-study-section::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(30, 144, 255, 0.1) 0%, rgba(147, 112, 219, 0.1) 100%);
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

.case-study-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.case-study-header {
    text-align: center;
    margin-bottom: 60px;
}

.case-study-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #FF6600 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.case-study-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Tab 切换 */
.case-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.case-tab {
    padding: 12px 24px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 100px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.case-tab:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.case-tab.active {
    background: linear-gradient(135deg, #FF6600 0%, #f5576c 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
}

/* 案例内容 */
.case-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.case-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* 案例卡片布局 */
.case-cards {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
}

.case-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 2px solid var(--border);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-card.before {
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.02) 0%, rgba(244, 67, 54, 0.05) 100%);
    border-color: rgba(244, 67, 54, 0.2);
}

.case-card.after {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.02) 0%, rgba(76, 175, 80, 0.05) 100%);
    border-color: rgba(76, 175, 80, 0.3);
}

.case-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(244, 67, 54, 0.1);
    color: #F44336;
    font-size: 13px;
    font-weight: 700;
    border-radius: 100px;
    margin-bottom: 16px;
}

.case-tag.success {
    background: rgba(76, 175, 80, 0.1);
    color: #4CAF50;
}

.case-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.case-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.case-text.highlight {
    background: rgba(76, 175, 80, 0.03);
    padding: 20px;
    border-radius: var(--radius);
    border-left: 4px solid #4CAF50;
}

.case-text p {
    margin-bottom: 12px;
}

.case-problems,
.case-strategy {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.case-problems span,
.case-strategy span {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.case-strategy span {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(139, 195, 74, 0.1) 100%);
    color: #2E7D32;
    font-weight: 600;
}

/* 箭头 */
.case-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
}

.case-arrow svg {
    width: 48px;
    height: 48px;
}

/* 数据统计 */
.case-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    padding: 32px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.stat-item {
    text-align: center;
    padding: 16px;
}

.stat-icon-flat {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.stat-icon-flat svg {
    width: 28px;
    height: 28px;
}

.stat-icon-flat.stat-blue-bg {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.08) 0%, rgba(100, 181, 246, 0.08) 100%);
    color: #2196F3;
}

.stat-icon-flat.stat-green-bg {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.08) 0%, rgba(139, 195, 74, 0.08) 100%);
    color: #4CAF50;
}

.stat-icon-flat.stat-orange-bg {
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.08) 0%, rgba(245, 87, 108, 0.08) 100%);
    color: var(--accent);
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.4;
}

/* 响应式 */
@media (max-width: 1024px) {
    .copywriter-hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-left h1 {
        font-size: 36px;
    }

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

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

    .success-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .stats-divider {
        display: none;
    }

    .case-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .case-arrow {
        transform: rotate(90deg);
        flex-direction: row;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .copywriter-hero {
        padding: 40px 0;
        min-height: auto;
    }

    .hero-left h1 {
        font-size: 28px;
    }

    .hero-left h2 {
        font-size: 16px;
    }

    .form-row,
    .slider-row {
        grid-template-columns: 1fr;
    }

    .result-cards {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pain-points-section {
        padding: 60px 20px;
    }

    .pain-points-header h2 {
        font-size: 32px;
    }

    .pain-points-header p {
        font-size: 16px;
    }

    .pain-points-grid {
        grid-template-columns: 1fr;
    }

    .success-stats {
        flex-direction: column;
        padding: 30px 20px;
    }

    .stats-item {
        padding: 10px 0;
    }

    .stats-divider {
        width: 100%;
        height: 2px;
    }

    .case-study-header h2 {
        font-size: 32px;
    }

    .case-tabs {
        gap: 8px;
    }

    .case-tab {
        padding: 10px 16px;
        font-size: 14px;
    }

    .case-stats {
        grid-template-columns: 1fr;
    }
}

/* 动画定义 */
@keyframes fadeInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.pricing-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 40px;
}

.pricing-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.pricing-header p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease 0.1s;
}

.limited-time {
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: white;
    padding: 15px;
    border-radius: var(--radius);
    text-align: center;
    font-weight: 600;
    margin-bottom: 40px;
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.5s ease 0.2s;
    animation: pulse 2s infinite;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.pricing-card.featured {
    background: white;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--accent);
    transform: scale(1.05) translateY(30px);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.pricing-card .price {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent);
    transition: all 0.3s ease;
}

.pricing-card:hover .price {
    transform: scale(1.1);
}

.pricing-card .price-unit {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-features {
    margin: 30px 0;
    text-align: left;
}

.pricing-feature {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    opacity: 1;
    transform: translateX(0);
}

.pricing-feature span {
    color: var(--success);
    margin-right: 10px;
    font-weight: 700;
}

.pricing-btn {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    margin-top: 20px;
    position: relative;
    overflow: hidden;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px 0 rgba(255, 102, 0, 0.39);
}

.pricing-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.pricing-btn:hover::before {
    left: 100%;
}