/* 页面头部 */
.page-header {
    background: var(--gradient);
    color: white;
    padding: 6rem 0 4rem;
    text-align: center;
    margin-top: 60px;
}

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

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 解决方案概览 - 现代简约科技风 */
.solutions-section {
    background: #ffffff;
    padding: 5rem 0;
}

.solutions-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.solution-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: left;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(22, 119, 255, 0.12);
}

.solution-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
}

.solution-icon svg {
    width: 100%;
    height: 100%;
}

.solution-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1f2937;
    line-height: 1.4;
}

.solution-card p {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.solution-link {
    color: #1677ff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s;
}

.solution-link span {
    transition: transform 0.2s;
}

.solution-link:hover {
    color: #0056d6;
}

.solution-link:hover span {
    transform: translateX(4px);
}

/* 企业解决方案 */
.enterprise-section {
    background: var(--bg-light);
    padding: 5rem 0;
}

.enterprise-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.enterprise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.enterprise-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.enterprise-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.enterprise-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.enterprise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.enterprise-card > p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.enterprise-features {
    list-style: none;
}

.enterprise-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.enterprise-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 行业案例 */
.industries {
    margin-top: 4rem;
    padding: 2rem 0;
}

.industries-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.industry-item {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.industry-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.industry-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.industry-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.industry-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 个人用户方案 */
.personal-section {
    background: var(--bg-white);
    padding: 5rem 0;
}

.personal-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.personal-container {
    max-width: 900px;
    margin: 0 auto;
}

.personal-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
    gap: 2rem;
}

.step-item {
    flex: 1;
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.step-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

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

.personal-benefits h3 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
}

.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benefit-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.benefit-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 开发者方案 */
.developer-section {
    background: var(--bg-light);
    padding: 5rem 0;
}

.developer-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.developer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.developer-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.developer-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.developer-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.developer-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.developer-card > p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.developer-features {
    list-style: none;
}

.developer-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.developer-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* API文档 */
.api-section {
    margin-top: 4rem;
}

.api-section h3 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.api-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.api-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.api-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.api-card h4 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.api-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* 合作伙伴方案 */
.partner-section {
    background: var(--bg-white);
    padding: 5rem 0;
}

.partner-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.partner-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.partner-type {
    background: var(--gradient);
    color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
}

.partner-type:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.3);
}

.partner-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.partner-type h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.partner-type > p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.partner-benefits {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.partner-benefits span {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.partner-type .btn {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.partner-type .btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 - 平板 */