/* ===================================
   爱(AI)法律 - 品牌首页样式表
   藏青 #1B3A5C + 暖橙 #E67E22
   =================================== */

:root {
    --primary: #1B3A5C;
    --primary-dark: #12293F;
    --primary-light: #2C5282;
    --accent: #E67E22;
    --accent-hover: #D35400;
    --bg: #F5F7FA;
    --bg-white: #FFFFFF;
    --text-main: #1E293B;
    --text-sub: #64748B;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-lg: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg);
    min-height: 100vh;
}

/* ---------- 导航栏 ---------- */
.navbar {
    background: var(--primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.navbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    font-size: 32px;
}

.brand-text h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    margin: 0;
}

.brand-text p {
    font-size: 12px;
    opacity: 0.8;
    margin: 2px 0 0 0;
}

/* ---------- Hero 区域 ---------- */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 80px 24px 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: white;
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(230,126,34,0.35);
    transition: all 0.3s ease;
}

.hero-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(230,126,34,0.45);
}

.hero-cta span {
    font-size: 22px;
}

.hero-trust {
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 14px;
    opacity: 0.7;
}

.trust-sep {
    opacity: 0.4;
}

.hero-deco {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    z-index: 1;
    pointer-events: none;
}

/* ---------- 服务介绍 ---------- */
.services {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 24px;
}

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

.section-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.section-header p {
    font-size: 15px;
    color: var(--text-sub);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.service-card--lawyer::before {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.service-card--people::before {
    background: linear-gradient(90deg, var(--accent), #F39C12);
}

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

.service-card-icon {
    font-size: 44px;
    margin-bottom: 16px;
}

.service-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 10px;
}

.service-card > p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-features li {
    font-size: 12px;
    color: var(--text-sub);
    background: var(--bg);
    padding: 5px 12px;
    border-radius: 6px;
}

/* ---------- 示例问题 ---------- */
.examples {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 24px 60px;
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.example-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.example-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.example-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.example-card:hover::after {
    transform: scaleX(1);
}

.example-card-icon {
    font-size: 36px;
    margin-bottom: 14px;
}

.example-card h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.example-card > p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 16px;
}

.example-card-arrow {
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    transition: color 0.2s;
}

.example-card:hover .example-card-arrow {
    color: var(--accent-hover);
}

/* ---------- 页脚 ---------- */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 32px 24px;
    text-align: center;
}

.footer-inner {
    max-width: 700px;
    margin: 0 auto;
}

.footer-disclaimer {
    font-size: 13px;
    opacity: 0.7;
    margin-bottom: 6px;
}

.footer-copyright {
    font-size: 12px;
    opacity: 0.5;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .example-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-inner {
        padding: 12px 16px;
    }

    .brand-icon {
        font-size: 28px;
    }

    .brand-text h1 {
        font-size: 18px;
    }

    .hero {
        padding: 60px 20px 70px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .hero-cta {
        padding: 14px 32px;
        font-size: 16px;
    }

    .hero-trust {
        flex-wrap: wrap;
        gap: 10px;
        font-size: 13px;
    }

    .trust-sep {
        display: none;
    }

    .services,
    .examples {
        padding: 40px 16px;
    }

    .section-header h3 {
        font-size: 20px;
    }

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

    .service-card {
        padding: 28px 24px;
    }

    .example-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .example-card {
        padding: 20px;
        flex-direction: row;
        align-items: center;
        gap: 16px;
    }

    .example-card-icon {
        font-size: 32px;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .example-card > div:last-child {
        flex: 1;
    }

    .example-card h4 {
        margin-bottom: 4px;
    }

    .example-card > p {
        margin-bottom: 8px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 4px 12px;
    }

    .service-card-icon {
        font-size: 36px;
    }

    .service-card h4 {
        font-size: 18px;
    }
}