/* ============================
   xm-lilaw.cn - 李小莉律师官网
   ============================ */

/* CSS Variables */
:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --primary-dark: #0f2440;
    --accent: #d4a853;
    --accent-light: #e8c97a;
    --text: #2d3748;
    --text-light: #718096;
    --text-lighter: #a0aec0;
    --bg: #ffffff;
    --bg-light: #f7fafc;
    --bg-warm: #fefcf8;
    --border: #e2e8f0;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.8;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 600;
    line-height: 1.4;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================
   Navigation
   ============================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.brand-icon {
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary) !important;
    color: white !important;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem !important;
}

.nav-cta:hover {
    background: var(--primary-light) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* ============================
   Hero Section
   ============================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
}

.hero-text h1 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 12px;
    font-weight: 300;
}

.hero-location {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 280px;
}

.hero-stat {
    text-align: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.hero-stat:last-child {
    border-bottom: none;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-light);
    font-family: 'Noto Serif SC', serif;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-top: 4px;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* ============================
   Buttons
   ============================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212,168,83,0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-full {
    width: 100%;
}

/* ============================
   Sections
   ============================ */
.section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================
   About Section
   ============================ */
.about {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-content h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-intro {
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.9;
}

.about-philosophy {
    padding: 20px 24px;
    background: var(--bg-warm);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 32px;
    font-style: italic;
    color: var(--text);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 4px;
}

.highlight-item p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.sidebar-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.sidebar-card h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
}

.sidebar-card ul {
    list-style: none;
}

.sidebar-card li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.sidebar-card li:last-child {
    border-bottom: none;
}

/* ============================
   Services Section
   ============================ */
.services {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.service-card.featured {
    border-color: var(--accent);
    background: var(--bg-warm);
}

.service-card.featured::before {
    background: var(--accent);
    transform: scaleX(1);
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 500;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
    margin-bottom: 20px;
}

.service-list li {
    padding: 6px 0;
    font-size: 0.93rem;
    color: var(--text);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    font-size: 0.8rem;
    padding: 4px 12px;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 16px;
}

/* ============================
   Articles Section
   ============================ */
.articles {
    background: var(--bg-light);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}

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

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

.article-category {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    background: rgba(212,168,83,0.1);
    padding: 4px 12px;
    border-radius: 12px;
    margin-bottom: 12px;
}

.article-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.article-card h3 a:hover {
    color: var(--primary);
}

.article-excerpt {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-lighter);
}

.articles-more {
    text-align: center;
}

.articles-more .btn-outline {
    color: var(--primary);
    border-color: var(--primary);
}

.articles-more .btn-outline:hover {
    background: var(--primary);
    color: white;
}

/* ============================
   Cases Section
   ============================ */
.cases {
    background: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.case-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.case-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
    background: var(--primary);
    padding: 4px 12px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.case-card h3 {
    font-size: 1.15rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.case-content p {
    font-size: 0.93rem;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.8;
}

.case-content strong {
    color: var(--primary);
}

/* ============================
   Contact Section
   ============================ */
.contact {
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.contact-note {
    padding: 20px;
    background: var(--bg-warm);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent);
    margin-top: 8px;
}

.contact-note p {
    font-size: 0.9rem;
    color: var(--text);
}

.contact-form {
    background: white;
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(26,54,93,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-lighter);
    margin-top: 12px;
}

/* ============================
   Footer
   ============================ */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 30px;
}

.footer-content {
    text-align: center;
}

.footer-brand {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.3rem;
    color: white;
    margin-bottom: 12px;
}

.footer-slogan {
    font-size: 1rem;
    margin-bottom: 24px;
    color: var(--accent-light);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

.footer-icp {
    margin-top: 4px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* ============================
   Back to Top
   ============================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-4px);
}

/* ============================
   Responsive
   ============================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .services-grid,
    .articles-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid,
    .articles-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}