/* ============================================
   银龄技能坊 - 统一样式表
   品牌色：深蓝 #1A2D4A | 金色 #C9A961 | 米白 #F5F0E8 | 暗红 #8B2635
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
    color: #333;
    background: #F5F0E8;
    line-height: 1.6;
    font-size: 16px;
}

:root {
    --primary: #1A2D4A;
    --secondary: #C9A961;
    --accent: #8B2635;
    --bg-light: #F5F0E8;
    --bg-card: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-muted: #666;
    --border: #E8E4DE;
    --shadow: 0 2px 12px rgba(26,45,74,0.06);
    --shadow-hover: 0 8px 30px rgba(26,45,74,0.12);
}

/* ---- 导航栏 ---- */
.navbar {
    background: var(--primary);
    color: #fff;
    padding: 0 40px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.navbar .logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}
.navbar .logo-wrap img {
    height: 42px;
    border-radius: 4px;
}
.navbar .logo {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
}
.navbar .logo span { color: var(--secondary); }
.navbar .nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    font-size: 15px;
}
.navbar .nav-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
    padding: 4px 0;
}
.navbar .nav-links a:hover,
.navbar .nav-links a.active {
    color: var(--secondary);
}
.navbar .nav-btn {
    background: var(--secondary);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: background 0.3s;
}
.navbar .nav-btn:hover { background: #d4b86a; }

/* ---- 汉堡菜单（移动端） ---- */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: 0.3s;
}

/* ---- 页面Banner ---- */
.page-banner {
    background: linear-gradient(135deg, var(--primary) 0%, #2A4F7A 100%);
    color: #fff;
    padding: 80px 40px 60px;
    text-align: center;
}
.page-banner h1 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 12px;
}
.page-banner p {
    font-size: 18px;
    color: var(--secondary);
}
.page-banner .highlight {
    color: var(--secondary);
    font-weight: 700;
}

/* ---- Hero区域 ---- */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #2A4F7A 100%);
    color: #fff;
    padding: 100px 40px 80px;
    text-align: center;
}
.hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.3;
    max-width: 800px;
    margin: 0 auto 20px;
}
.hero h1 .highlight { color: var(--secondary); }
.hero .subtitle {
    font-size: 22px;
    color: #B8C9E0;
    margin-bottom: 12px;
}
.hero .sub-subtitle {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 40px;
}
.hero .buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero .btn {
    display: inline-block;
    padding: 16px 44px;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}
.hero .btn-primary {
    background: var(--accent);
    color: #fff;
}
.hero .btn-primary:hover { background: #a03040; }
.hero .btn-outline {
    border: 2px solid var(--secondary);
    color: var(--secondary);
}
.hero .btn-outline:hover {
    background: var(--secondary);
    color: var(--primary);
}

/* ---- 通用Section ---- */
.section {
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
}
.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 12px;
}
.section-desc {
    font-size: 18px;
    color: var(--text-muted);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

/* ---- 数据统计 ---- */
.stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 40px 0;
    flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary);
}
.stat-number .gold { color: var(--secondary); }
.stat-label {
    font-size: 15px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---- 卡片网格 ---- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.value-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 40px 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.value-card .icon { font-size: 36px; margin-bottom: 16px; }
.value-card h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
}
.value-card ul {
    list-style: none;
    font-size: 15px;
    color: var(--text-muted);
}
.value-card ul li { padding: 4px 0; }

/* ---- 精英卡片 ---- */
.elite-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.elite-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.elite-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.elite-card .avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary);
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #fff;
    overflow: hidden;
}
.elite-card .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.elite-card h4 {
    font-size: 18px;
    color: var(--primary);
}
.elite-card .ex-title {
    font-size: 14px;
    color: var(--secondary);
    font-weight: 600;
    margin: 4px 0 8px;
}
.elite-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}
.elite-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-top: 12px;
}
.elite-card .tag {
    background: var(--bg-light);
    color: var(--primary);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

/* ---- 对比表 ---- */
.comparison {
    background: var(--primary);
    color: #fff;
    padding: 80px 40px;
}
.comparison .section-title { color: #fff; }
.comparison .section-desc { color: #B8C9E0; }
.compare-table {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
}
.compare-table th {
    background: rgba(255,255,255,0.1);
    padding: 16px 24px;
    text-align: left;
    font-weight: 600;
}
.compare-table td {
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.compare-table .highlight-row td {
    background: rgba(201,169,97,0.15);
    font-weight: 600;
}
.check { color: #4ADE80; }

/* ---- 步骤 ---- */
.steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.step-group h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 20px;
    text-align: center;
}
.step-group h3 span {
    background: var(--secondary);
    color: #fff;
    display: inline-block;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    text-align: center;
    line-height: 28px;
    font-size: 14px;
    margin-right: 8px;
}
.step-item {
    display: flex;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.step-item:hover {
    box-shadow: var(--shadow);
}
.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}
.step-item h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 4px;
}
.step-item p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ---- CTA区域 ---- */
.cta-section {
    background: linear-gradient(135deg, var(--secondary), #D4B86A);
    padding: 60px 40px;
    text-align: center;
}
.cta-section h2 {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 12px;
}
.cta-section p {
    font-size: 18px;
    color: #5A4A2A;
    margin-bottom: 32px;
}
.cta-section .btn {
    display: inline-block;
    padding: 16px 52px;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.3s;
}
.cta-section .btn:hover { background: #152D4A; }

/* ---- 表单 ---- */
.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.form-group {
    margin-bottom: 24px;
}
.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}
.form-group label .required {
    color: var(--accent);
    margin-left: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
    background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(201,169,97,0.15);
}
.form-group textarea {
    resize: vertical;
    min-height: 100px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-checkbox {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.form-checkbox label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    font-size: 14px;
    cursor: pointer;
}
.form-submit {
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s;
}
.form-submit:hover { background: var(--accent); }
.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 12px;
}

/* ---- 新闻列表 ---- */
.news-list { max-width: 800px; margin: 0 auto; }
.news-item {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 28px 32px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.news-item:hover {
    box-shadow: var(--shadow);
}
.news-item .date {
    font-size: 13px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 8px;
}
.news-item h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 8px;
}
.news-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}
.news-item .tag {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 12px;
    margin-top: 8px;
}

/* ---- 联系页面 ---- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.contact-info {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 36px;
    border: 1px solid var(--border);
}
.contact-info .info-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.contact-info .info-item:last-child { border-bottom: none; }
.contact-info .ico { font-size: 24px; flex-shrink: 0; }
.contact-info h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 4px;
}
.contact-info p {
    font-size: 15px;
    color: var(--text-muted);
}
.faq-box {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 36px;
    border: 1px solid var(--border);
}
.faq-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 4px;
}
.faq-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}
.hours {
    background: var(--primary);
    color: #fff;
    border-radius: 10px;
    padding: 24px 28px;
    margin-top: 24px;
}
.hours h4 {
    color: var(--secondary);
    font-size: 16px;
    margin-bottom: 8px;
}
.hours p {
    font-size: 14px;
    color: #B8C9E0;
}

/* ---- 收益/好处网格 ---- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.benefit-item {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 24px 28px;
    border: 1px solid var(--border);
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: all 0.3s;
}
.benefit-item:hover {
    box-shadow: var(--shadow);
}
.benefit-icon { font-size: 28px; flex-shrink: 0; }
.benefit-item h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 4px;
}
.benefit-item p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ---- 费用表格 ---- */
.fee-box {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 36px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
}
.fee-box h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 16px;
    text-align: center;
}
.fee-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}
.fee-table th {
    background: var(--primary);
    color: #fff;
    padding: 12px 16px;
    text-align: left;
}
.fee-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}
.fee-table .last td { border-bottom: none; }

/* ---- 条件检查 ---- */
.checks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 700px;
    margin: 0 auto;
}
.check-item {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 20px 24px;
    border: 1px solid var(--border);
    font-size: 15px;
    color: var(--primary);
    font-weight: 600;
}
.check-item .ok { color: #1D9E75; margin-right: 8px; }

/* ---- 领域卡片 ---- */
.fields {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.field-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.field-card:hover {
    box-shadow: var(--shadow);
}
.field-card .icon { font-size: 32px; margin-bottom: 12px; }
.field-card h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 6px;
}
.field-card p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ---- 团队卡片 ---- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.team-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--border);
}
.team-avatar { font-size: 48px; margin-bottom: 16px; }
.team-card h4 {
    font-size: 18px;
    color: var(--primary);
}
.team-title {
    font-size: 14px;
    color: var(--secondary);
    font-weight: 600;
    margin: 4px 0 12px;
}
.team-card p {
    font-size: 14px;
    color: var(--text-muted);
}
.team-card a { color: var(--secondary); text-decoration: none; }

/* ---- 页脚 ---- */
.footer {
    background: var(--primary);
    color: #B8C9E0;
    padding: 48px 40px 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}
.footer h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
}
.footer a {
    color: #9AB0CC;
    text-decoration: none;
    display: block;
    margin: 6px 0;
    font-size: 14px;
}
.footer a:hover { color: var(--secondary); }
.footer .copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    margin-top: 40px;
    font-size: 13px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- 成功提示 ---- */
.success-msg {
    display: none;
    background: #E8F5E9;
    border: 1px solid #4CAF50;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    margin-top: 20px;
}
.success-msg.show { display: block; }
.success-msg h3 { color: #2E7D32; margin-bottom: 8px; }
.success-msg p { color: #555; font-size: 14px; }

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 992px) {
    .values-grid,
    .elite-grid,
    .fields,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar { padding: 0 20px; }
    .navbar .nav-links { display: none; }
    .navbar .nav-btn { display: none; }
    .hamburger { display: flex; }

    /* 移动端菜单 */
    .navbar .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--primary);
        padding: 20px;
        gap: 16px;
        border-top: 1px solid rgba(255,255,255,0.1);
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }

    .hero { padding: 60px 20px 50px; }
    .hero h1 { font-size: 28px; }
    .hero .subtitle { font-size: 16px; }
    .hero .sub-subtitle { font-size: 15px; }
    .hero .btn { padding: 14px 28px; font-size: 16px; }

    .section { padding: 50px 20px; }
    .section-title { font-size: 24px; }
    .section-desc { font-size: 15px; }

    .stats { gap: 30px; }
    .stat-number { font-size: 30px; }

    .values-grid,
    .elite-grid,
    .fields,
    .team-grid,
    .benefits-grid,
    .checks,
    .contact-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .page-banner { padding: 50px 20px 40px; }
    .page-banner h1 { font-size: 26px; }

    .form-container { padding: 28px 20px; }
    .form-row { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer { padding: 36px 20px 20px; }

    .compare-table { font-size: 14px; }
    .compare-table th, .compare-table td { padding: 10px 12px; }

    .cta-section { padding: 40px 20px; }
    .cta-section h2 { font-size: 24px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 24px; }
    .stats { gap: 20px; }
    .stat-number { font-size: 26px; }
    .hero .buttons { flex-direction: column; align-items: center; }
    .hero .btn { width: 100%; max-width: 280px; text-align: center; }
}