/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-light);
}

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

/* 导航栏 */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.nav-brand .subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* 首页横幅 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
}

.btn-primary {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* 套餐系列 */
.packages-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.package-series {
    margin-bottom: 4rem;
}

.series-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.series-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    background: var(--bg-light);
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.series-header h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
    flex: 1;
}

.series-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

/* 套餐卡片网格 */
.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.package-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow-sm);
}

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

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

.package-card h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.package-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.package-includes,
.package-audience {
    margin-bottom: 1.5rem;
}

.package-includes h5,
.package-audience h5 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.package-includes ul,
.package-audience ul {
    list-style: none;
    padding-left: 0;
}

.package-includes li,
.package-audience li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.package-includes li::before,
.package-audience li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.style-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.style-tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

.package-note,
.package-highlight {
    background: #fef3c7;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid #f59e0b;
}

.package-highlight {
    background: #dbeafe;
    border-left-color: var(--primary-color);
}

.package-note p,
.package-highlight p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.btn-package {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

.btn-package:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* 进阶套餐 */
.advanced-packages {
    padding: 5rem 0;
    background: var(--bg-light);
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.advanced-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.advanced-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

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

.advanced-card h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advanced-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.advanced-combinations {
    text-align: left;
    margin-bottom: 2rem;
}

.advanced-combinations h5 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.advanced-combinations ul {
    list-style: none;
    padding-left: 0;
}

.advanced-combinations li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.btn-advanced {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-advanced:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 服务原则 */
.principles-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.principle-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: transform 0.3s;
}

.principle-card:hover {
    transform: translateY(-4px);
}

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

.principle-card h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.principle-card p {
    color: var(--text-secondary);
}

/* 关于我们 */
.about-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.about-intro {
    max-width: 900px;
    margin: 0 auto 4rem;
    text-align: center;
}

.intro-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.intro-text.highlight {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 2rem;
}

.about-block {
    max-width: 900px;
    margin: 0 auto 3rem;
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.block-title {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.about-block p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-block p:last-child {
    margin-bottom: 0;
}

.about-list {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.about-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.25rem;
}

.belief-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    border-left: 4px solid var(--primary-color);
}

.belief-box p {
    margin-bottom: 0.75rem;
}

.belief-text {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 500;
    font-style: italic;
}

.problem-list {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.problem-list li {
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: #fef2f2;
    border-left: 4px solid #ef4444;
    border-radius: 8px;
    color: var(--text-primary);
    line-height: 1.6;
}

.highlight-text {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 1.5rem;
    text-align: center;
}

.service-direction {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.direction-number {
    font-size: 2rem;
    flex-shrink: 0;
}

.direction-content {
    flex: 1;
}

.direction-content h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.direction-content p {
    margin-bottom: 0.75rem;
}

.direction-note {
    background: #f0fdf4;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #10b981;
    margin-top: 1rem;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.principles-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.principle-item {
    padding: 1rem;
    background: #f0fdf4;
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
    border-left: 4px solid #10b981;
}

.vision-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    text-align: center;
}

.vision-box p {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.boundary-block {
    background: #fef2f2;
    border: 2px solid #fee2e2;
}

.boundary-list {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.boundary-list li {
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: white;
    border-left: 4px solid #ef4444;
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.boundary-note {
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5rem;
}

.vision-block {
    background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
    border: 2px solid var(--secondary-color);
}

.vision-items {
    margin: 2rem 0;
}

.vision-item {
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: white;
    border-radius: 12px;
    font-size: 1.125rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--secondary-color);
}

.final-message {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
}

.final-message p {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-block {
        padding: 1.5rem;
    }
    
    .service-direction {
        flex-direction: column;
    }
    
    .direction-number {
        font-size: 1.5rem;
    }
    
    .principles-list {
        grid-template-columns: 1fr;
    }
}

/* 联系我们 */
.contact-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.contact-info {
    max-width: 1000px;
    margin: 0 auto 4rem;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-info-item {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
}

.contact-info-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

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

.contact-info-item h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.contact-info-item p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.contact-info-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
    transition: color 0.3s;
}

.contact-info-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.contact-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.5rem !important;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* 页脚 */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    margin: 0.5rem 0;
}

.footer-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* 服务者招募 */
.recruit-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.recruit-intro {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
}

.recruit-intro p {
    font-size: 1.125rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.recruit-highlight {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin: 1.5rem 0 !important;
}

.recruit-block {
    max-width: 900px;
    margin: 0 auto 3rem;
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid #10b981;
}

.requirement-item.must-have {
    background: #f0fdf4;
}

.requirement-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.protection-block {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #10b981;
}

.protection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.protection-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #10b981;
    box-shadow: var(--shadow-sm);
}

.protection-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.protection-note {
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5rem;
    font-size: 1.0625rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.step-number {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.step-content {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .package-grid,
    .advanced-grid {
        grid-template-columns: 1fr;
    }

    .series-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .recruit-block {
        padding: 1.5rem;
    }

    .requirements-grid,
    .protection-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}