/* ===== 172号卡分销系统 - 全局样式 ===== */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --accent: #f5a623;
    --accent-dark: #e69500;
    --bg-dark: #0a1a3a;
    --bg-light: #f5f7fa;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --white: #ffffff;
    --border: #e0e0e0;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.3s ease;
    --max-width: 1200px;
}

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

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

a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.logo { font-size: 22px; font-weight: 700; color: var(--primary); }
.logo span { color: var(--accent); }

.main-nav { display: flex; gap: 4px; }
.main-nav a {
    display: block; padding: 8px 16px; border-radius: var(--radius);
    color: var(--text); font-size: 15px; font-weight: 500;
    transition: all var(--transition);
}
.main-nav a:hover, .main-nav a.active {
    color: var(--primary); background: var(--primary-light);
}

.header-cta {
    padding: 8px 20px; background: var(--primary); color: var(--white);
    border-radius: var(--radius); font-size: 14px; font-weight: 600;
    transition: all var(--transition);
}
.header-cta:hover { background: var(--primary-dark); color: var(--white); }

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: #a0b4d0;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-col p { font-size: 14px; line-height: 1.8; margin-bottom: 8px; }
.footer-col a { color: #a0b4d0; font-size: 14px; display: block; margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 13px;
    color: #6a80a0;
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #0a1a3a 0%, #1a3a6a 40%, #1a73e8 100%);
    color: var(--white);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(245,166,35,0.4);
}
.btn-primary:hover { background: var(--accent-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,166,35,0.5); }

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); color: var(--white); border-color: rgba(255,255,255,0.6); }

.btn-white {
    background: var(--white);
    color: var(--primary);
}
.btn-white:hover { background: #f0f4ff; color: var(--primary-dark); }

.btn-lg { padding: 16px 40px; font-size: 18px; }
.btn-sm { padding: 8px 20px; font-size: 14px; }

/* ===== Section Styles ===== */
.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.section-title p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-bg { background: var(--bg-light); }

/* ===== Advantages Grid ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition);
    border: 1px solid var(--border);
}

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

.advantage-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 28px;
}

.advantage-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text);
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== Package Cards ===== */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.package-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
}

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

.package-card.featured {
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(245,166,35,0.15);
}

.package-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.package-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 24px;
    text-align: center;
}

.package-header h3 { font-size: 20px; margin-bottom: 4px; }
.package-header .carrier { font-size: 13px; opacity: 0.8; }

.package-price {
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.package-price .amount {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
}

.package-price .unit {
    font-size: 16px;
    color: var(--text-light);
    margin-left: 4px;
}

.package-specs {
    padding: 20px;
}

.package-specs li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
}

.package-specs li:last-child { border-bottom: none; }
.package-specs .spec-label { color: var(--text-light); }
.package-specs .spec-value { font-weight: 600; color: var(--text); }

.package-footer {
    padding: 0 20px 20px;
    text-align: center;
}

/* ===== Stats Section ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 60px 0;
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-item .stat-label {
    font-size: 16px;
    opacity: 0.85;
}

/* ===== Steps ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step-card h3 { font-size: 18px; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-light); }

/* ===== Testimonials ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

.testimonial-card .quote {
    font-size: 15px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 16px;
    line-height: 1.7;
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--text);
    font-size: 15px;
}

.testimonial-card .meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, #0a1a3a, #1a3a6a);
    color: var(--white);
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 12px;
}

.cta-section p {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 32px;
}

/* ===== Page Banner ===== */
.page-banner {
    background: linear-gradient(135deg, #0a1a3a, #1a73e8);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-banner h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-banner p {
    font-size: 16px;
    opacity: 0.85;
}

/* ===== Agent Cards ===== */
.agent-advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.agent-advantage-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition);
}

.agent-advantage-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.agent-advantage-card .icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.agent-advantage-card h3 { font-size: 18px; margin-bottom: 8px; }
.agent-advantage-card p { font-size: 14px; color: var(--text-light); }

/* ===== Agent Levels Table ===== */
.levels-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.level-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    text-align: center;
}

.level-header {
    padding: 20px;
    color: var(--white);
    font-weight: 700;
    font-size: 16px;
}

.level-header.silver { background: linear-gradient(135deg, #95a5a6, #7f8c8d); }
.level-header.gold { background: linear-gradient(135deg, #f39c12, #e67e22); }
.level-header.platinum { background: linear-gradient(135deg, #3498db, #2980b9); }
.level-header.diamond { background: linear-gradient(135deg, #9b59b6, #8e44ad); }

.level-body { padding: 20px; }
.level-body .commission { font-size: 36px; font-weight: 800; color: var(--primary); }
.level-body .range { font-size: 14px; color: var(--text-light); margin: 8px 0; }
.level-body .desc { font-size: 13px; color: var(--text-muted); }

/* ===== Calculator ===== */
.calculator {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 0 auto;
}

.calculator label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 15px;
}

.calculator input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 16px;
    margin-bottom: 20px;
    transition: border-color var(--transition);
}

.calculator input:focus {
    outline: none;
    border-color: var(--primary);
}

.calc-result {
    text-align: center;
    padding: 20px;
    background: var(--primary-light);
    border-radius: var(--radius);
    margin-top: 20px;
}

.calc-result .income {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

/* ===== Case Cards ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

.case-card .case-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.case-card .case-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.case-stat .val {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.case-stat .lbl {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== About Page ===== */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.timeline-year {
    min-width: 100px;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-align: right;
    padding-top: 4px;
}

.timeline-content {
    padding-left: 30px;
    border-left: 3px solid var(--primary);
    padding-bottom: 20px;
}

.timeline-content h3 { font-size: 18px; margin-bottom: 6px; }
.timeline-content p { font-size: 14px; color: var(--text-light); }

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.team-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 32px;
}

.team-card h4 { font-size: 16px; margin-bottom: 4px; }
.team-card .role { font-size: 13px; color: var(--text-muted); }

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.culture-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.culture-card .icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.culture-card h3 { font-size: 18px; margin-bottom: 6px; }
.culture-card p { font-size: 14px; color: var(--text-light); }

/* ===== News Page ===== */
.news-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

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

.news-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), #d0e0ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.news-card-body { padding: 20px; }

.news-card-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}

.news-card-body h3 {
    font-size: 18px;
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-card-body p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.6;
}

.news-card-meta {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    gap: 16px;
}

/* ===== Article Page ===== */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

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

.article-header h1 {
    font-size: 32px;
    margin-bottom: 16px;
    line-height: 1.3;
}

.article-meta {
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.article-body {
    font-size: 16px;
    line-height: 1.9;
}

.article-body h2 {
    font-size: 24px;
    margin: 40px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
}

.article-body h3 {
    font-size: 20px;
    margin: 30px 0 12px;
}

.article-body p {
    margin-bottom: 16px;
}

.article-body ul, .article-body ol {
    margin: 16px 0;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    margin: 20px 0;
    background: var(--bg-light);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-light);
}

.article-body .highlight-box {
    background: linear-gradient(135deg, var(--primary-light), #d0e0ff);
    padding: 24px;
    border-radius: var(--radius);
    margin: 24px 0;
}

.article-related {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.article-related h3 { margin-bottom: 20px; font-size: 20px; }

.article-cta {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-radius: var(--radius-lg);
    margin-top: 60px;
}

.article-cta h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--white);
}

.article-cta p {
    margin-bottom: 20px;
    opacity: 0.9;
}

/* ===== Contact Page ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info { }

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-start;
}

.contact-info-item .icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.contact-info-item h4 { font-size: 16px; margin-bottom: 4px; }
.contact-info-item p { font-size: 14px; color: var(--text-light); }

.contact-form {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.contact-form h3 { font-size: 22px; margin-bottom: 24px; }

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: border-color var(--transition);
}

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

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

.map-placeholder {
    height: 400px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 16px;
    margin-top: 40px;
}

/* ===== FAQ Page ===== */
.faq-categories {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.faq-cat-btn {
    padding: 10px 24px;
    border: 2px solid var(--border);
    border-radius: 30px;
    background: var(--white);
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all var(--transition);
}

.faq-cat-btn:hover, .faq-cat-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
}

.faq-section { margin-bottom: 40px; }

.faq-section h2 {
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-light);
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 18px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 16px;
    transition: background 0.2s;
}

.faq-question:hover { background: var(--bg-light); }
.faq-question .arrow { transition: transform var(--transition); font-size: 14px; }

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.open .faq-answer {
    padding: 0 24px 20px;
    max-height: 500px;
}

.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-item.open .faq-question { color: var(--primary); }

.faq-answer p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== Package Filter ===== */
.filter-bar {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 40px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
    margin-right: 8px;
}

.filter-btn {
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--white);
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
}

/* ===== Mobile Bottom Nav ===== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--white);
    border-top: 1px solid var(--border);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 9999;
    justify-content: space-around;
    align-items: center;
    padding: 4px 0 8px;
}

.mobile-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-light);
    font-size: 12px;
    flex: 1;
    transition: color 0.3s;
}

.mobile-bottom-nav .nav-item .nav-icon {
    font-size: 20px;
    margin-bottom: 2px;
}

.mobile-bottom-nav .nav-item .nav-text {
    font-size: 11px;
}

.mobile-bottom-nav .nav-item.active {
    color: var(--primary);
}

.mobile-bottom-nav .nav-item:hover,
.mobile-bottom-nav .nav-item:active {
    color: var(--primary);
}

@media (max-width: 768px) {
    .mobile-bottom-nav { display: flex; }
    body { padding-bottom: 70px; }
}

@media (min-width: 769px) {
    .mobile-bottom-nav { display: none !important; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .packages-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .levels-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .culture-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .agent-advantages-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .advantages-grid { grid-template-columns: 1fr; }
    .packages-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .levels-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .culture-grid { grid-template-columns: 1fr; }
    .news-list { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .agent-advantages-grid { grid-template-columns: 1fr; }
    .section { padding: 50px 0; }
    .section-title h2 { font-size: 26px; }
    .page-banner { padding: 40px 0; }
    .page-banner h1 { font-size: 28px; }
    .article-header h1 { font-size: 24px; }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

/* ===== Partner Logos ===== */
.partner-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    align-items: center;
    padding: 20px 0;
}

.partner-logo-item {
    background: var(--primary-light);
    padding: 20px 32px;
    border-radius: var(--radius);
    font-weight: 700;
    color: var(--primary);
    font-size: 18px;
}

/* ===== Honor Cards ===== */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    text-align: center;
}

.honor-card {
    background: var(--white);
    padding: 24px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.honor-card .num {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
}

.honor-card .lbl {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

@media (max-width: 768px) {
    .honors-grid { grid-template-columns: repeat(2, 1fr); }
}