/* ===== 统一导航样式 (三层结构) ===== */

/* 顶部栏 */
.top-bar {
    background: #1a1a2e;
    color: rgba(255,255,255,0.9);
    padding: 10px 0;
    font-size: 13px;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left {
    display: flex;
    gap: 24px;
    align-items: center;
}
.top-bar-left .emergency-hotline strong {
    color: #ff6b6b;
    font-size: 16px;
}
.top-bar-right {
    display: flex;
    gap: 20px;
}
.top-bar-right a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.2s;
}
.top-bar-right a:hover {
    color: #fff;
}

/* 主导航 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* 手机端：弹性导航，不固定 */
@media (max-width: 768px) {
    .header {
        position: relative;
    }
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.header .logo-icon {
    font-size: 32px;
}
.header .logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}
.main-nav > a,
.main-nav .nav-dropdown-trigger {
    padding: 12px 18px;
    color: #444;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}
.main-nav > a:hover,
.main-nav .nav-dropdown-trigger:hover,
.main-nav > a.active,
.main-nav .nav-dropdown-trigger.active {
    color: var(--primary);
    background: #fff5f5;
}

/* 超级菜单 */
.nav-dropdown {
    position: relative;
}
.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    padding: 24px;
    min-width: 600px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    margin-top: 8px;
    z-index: 1001;
}
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.mega-menu-col h4 {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
}
.mega-menu-col.highlight h4 {
    color: var(--primary);
    border-color: var(--primary);
}
.mega-menu-col a {
    display: block;
    padding: 6px 0;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}
.mega-menu-col a:hover {
    color: var(--primary);
}

/* 子导航 */
.sub-nav {
    background: #f8f9fa;
    border-bottom: 1px solid #e8e8e8;
    padding: 12px 0;
}
.sub-nav .container {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.sub-nav-label {
    color: #666;
    font-size: 13px;
    font-weight: 500;
}
.sub-nav a {
    color: #555;
    text-decoration: none;
    font-size: 13px;
    padding: 4px 10px;
    background: #fff;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
    transition: all 0.2s;
}
.sub-nav a:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: #fff5f5;
}

/* 移动端菜单 - 全屏弹出式 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
}
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
}
.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    z-index: 1001;
    flex-direction: column;
    transform: translateY(-100%);
    transition: transform 0.3s ease-out;
    overflow-y: auto;
}
.mobile-menu.active {
    transform: translateY(0);
}
.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #eee;
    background: #fff;
}
.mobile-menu-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}
.mobile-menu-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    padding: 4px;
}
.mobile-menu-links {
    flex: 1;
    padding: 20px;
}
.mobile-menu-link {
    display: block;
    padding: 16px 0;
    color: #333;
    text-decoration: none;
    font-size: 18px;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.2s;
}
.mobile-menu-link:hover,
.mobile-menu-link.active {
    color: var(--primary);
    padding-left: 8px;
}
.mobile-menu-footer {
    padding: 20px;
    border-top: 1px solid #eee;
}
.mobile-menu-emergency {
    display: block;
    padding: 16px;
    background: #ff6b6b;
    color: #fff;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
}

@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }
    .header-cta {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    .mobile-menu {
        display: flex;
    }
    .sub-nav {
        display: none;
    }
}

body.has-dynamic-nav {
    padding-top: 0;
}

/* ===== 简洁扁平导航样式 V3 ===== */

.top-bar-v3 {
    background: #1a1a2e;
    color: rgba(255,255,255,0.9);
    padding: 8px 0;
    font-size: 13px;
}
.top-bar-v3 .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-v3 .emergency strong {
    color: #ff6b6b;
}

.header-v3 {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #f0f0f0;
}
.header-v3 .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo-v3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}
.logo-v3 span:first-child {
    font-size: 28px;
}

.nav-v3 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link-v3 {
    padding: 10px 18px;
    color: #333;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s;
}
.nav-link-v3:hover,
.nav-link-v3.active {
    color: var(--primary);
    background: #fff5f5;
}

.nav-item-v3 {
    position: relative;
}
.nav-item-v3 > .nav-link-v3::after {
    content: ' ▼';
    font-size: 10px;
    opacity: 0.5;
}
.sub-menu-v3 {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    padding: 8px 0;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    margin-top: 4px;
}
.nav-item-v3:hover .sub-menu-v3 {
    opacity: 1;
    visibility: visible;
}
.sub-link-v3 {
    display: block;
    padding: 8px 16px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
}
.sub-link-v3:hover {
    background: #f8f9fa;
    color: var(--primary);
}

.btn-v3 {
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
}
.btn-v3:hover {
    background: var(--primary-dark);
}

.mobile-btn-v3 {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

.mobile-menu-v3 {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    z-index: 999;
    padding: 60px 20px 20px;
    flex-direction: column;
    gap: 4px;
}
.mobile-menu-v3.active {
    display: flex;
}
.mobile-header-v3 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #eee;
}
.mobile-header-v3 button {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}
.mobile-menu-v3 > a {
    padding: 16px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    border-bottom: 1px solid #f5f5f5;
}
.mobile-group-v3 {
    border-bottom: 1px solid #f5f5f5;
}
.mobile-group-v3 > a {
    display: block;
    padding: 16px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
}
.mobile-sub-v3 {
    display: block;
    padding: 10px 16px 10px 32px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
}
.mobile-emergency-v3 {
    margin-top: auto;
    padding: 16px;
    background: #ff6b6b;
    color: #fff;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 12px;
}
.emergency-mini {
    padding: 8px 14px;
    background: #ff6b6b;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
}
.emergency-mini:hover {
    background: #ff5252;
}

body.has-nav-v3 {
    padding-top: 64px;
}

@media (max-width: 768px) {
    .nav-v3, .btn-v3 { display: none; }
    .mobile-btn-v3 { display: block; }
    body.has-nav-v3 { padding-top: 0; }
}

/* ===== 美观版导航样式 V2 ===== */

/* 顶部栏 */
.top-bar-v2 {
    background: linear-gradient(90deg, #1a1a2e 0%, #16213e 100%);
    color: rgba(255,255,255,0.9);
    padding: 10px 0;
    font-size: 13px;
}
.top-bar-v2 .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.top-bar-left .hotline strong {
    color: #ff4757;
    font-size: 15px;
}
.top-bar-left .divider {
    opacity: 0.3;
}
.top-bar-right {
    display: flex;
    gap: 24px;
}
.top-bar-right a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.top-bar-right a:hover {
    color: #fff;
    transform: translateY(-1px);
}

/* 主导航 */
.header-v2 {
    background: #fff;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-v2 .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo-v2 {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.logo-v2 .logo-icon {
    font-size: 32px;
    filter: drop-shadow(0 2px 4px rgba(229,57,53,0.3));
}
.logo-v2 .logo-text {
    display: flex;
    flex-direction: column;
}
.logo-v2 .logo-main {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
.logo-v2 .logo-sub {
    font-size: 10px;
    color: #999;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 主导航菜单 */
.main-nav-v2 {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-link-v2,
.nav-trigger-v2 {
    padding: 10px 16px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 15px;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link-v2:hover,
.nav-trigger-v2:hover {
    background: #f8f9fa;
    color: var(--primary);
}
.nav-link-v2.active,
.nav-trigger-v2.active {
    color: var(--primary);
    background: #fff5f5;
}
.nav-trigger-v2 .arrow {
    transition: transform 0.2s;
    opacity: 0.5;
}
.nav-dropdown-v2:hover .arrow {
    transform: rotate(180deg);
    opacity: 1;
}

/* 超级菜单 */
.nav-dropdown-v2 {
    position: relative;
}
.mega-menu-v2 {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    padding: 32px 0;
    min-width: 700px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-top: 8px;
    border: 1px solid #f0f0f0;
}
.nav-dropdown-v2:hover .mega-menu-v2 {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.mega-grid-v2 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.mega-col-v2 h4 {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f0f0f0;
}
.mega-col-v2 ul {
    list-style: none;
}
.mega-col-v2 li {
    margin-bottom: 8px;
}
.mega-col-v2 a {
    display: block;
    padding: 8px 12px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    border-radius: 6px;
    transition: all 0.2s;
}
.mega-col-v2 a:hover {
    background: #f8f9fa;
    color: var(--primary);
    padding-left: 16px;
}
.mega-col-v2 a.highlight {
    color: var(--primary);
    font-weight: 600;
}
.mega-col-v2 a.highlight::after {
    content: ' →';
}

/* 头部操作按钮 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.btn-quiz {
    padding: 8px 16px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    border-radius: 8px;
    transition: all 0.2s;
}
.btn-quiz:hover {
    background: #f8f9fa;
    color: var(--primary);
}
.btn-cta {
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(229,57,53,0.3);
}
.btn-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(229,57,53,0.4);
}

/* 移动端按钮 */
.mobile-toggle-v2 {
    display: none;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.mobile-toggle-v2 span {
    width: 22px;
    height: 2px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s;
}
.mobile-open .mobile-toggle-v2 span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-open .mobile-toggle-v2 span:nth-child(2) {
    opacity: 0;
}
.mobile-open .mobile-toggle-v2 span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端菜单 */
.mobile-menu-v2 {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: #fff;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease;
    box-shadow: -10px 0 50px rgba(0,0,0,0.1);
}
.mobile-open .mobile-menu-v2 {
    right: 0;
}
.mobile-overlay-v2 {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}
.mobile-open .mobile-overlay-v2 {
    opacity: 1;
    visibility: visible;
}
.mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
}
.mobile-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}
.mobile-close {
    width: 36px;
    height: 36px;
    background: #f8f9fa;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
}
.mobile-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}
.mobile-link,
.mobile-group-title {
    display: block;
    padding: 14px 16px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    margin-bottom: 4px;
}
.mobile-link:hover,
.mobile-group-title:hover {
    background: #fff5f5;
    color: var(--primary);
}
.mobile-group {
    margin-bottom: 8px;
}
.mobile-sub {
    display: block;
    padding: 10px 16px 10px 32px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    border-radius: 8px;
}
.mobile-sub:hover {
    color: var(--primary);
}
.mobile-footer {
    padding: 20px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mobile-emergency {
    padding: 12px;
    background: #ff4757;
    color: #fff;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
}
.mobile-phone {
    padding: 12px;
    background: #f8f9fa;
    color: #333;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .mega-menu-v2 {
        min-width: 600px;
    }
    .mega-grid-v2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}
@media (max-width: 768px) {
    .top-bar {
        font-size: 12px;
        padding: 8px 0;
    }
    .top-bar-left {
        gap: 12px;
    }
    .top-bar-left span:not(.emergency-hotline) {
        display: none;
    }
    .top-bar-right {
        display: none;
    }
}
@media (min-width: 769px) {
    body.has-nav-v2 {
        padding-top: 118px;
    }
    body.has-nav-v2 .page-header {
        margin-top: -118px;
        padding-top: 158px;
    }
}

/* ===== 简洁版导航样式 ===== */
.top-bar-simple {
    background: #1a1a2e;
    color: white;
    padding: 8px 0;
    font-size: 13px;
}
.top-bar-simple .container {
    display: flex;
    gap: 24px;
}
.top-bar-simple strong {
    color: #ff6b6b;
}

.header-simple {
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-simple .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.header-simple .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.header-simple .logo-icon { font-size: 28px; }
.header-simple .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.nav-simple {
    display: flex;
    gap: 32px;
}
.nav-simple a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}
.nav-simple a:hover,
.nav-simple a.active {
    color: var(--primary);
}
.nav-simple a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.nav-item-dropdown {
    position: relative;
}
.nav-item-dropdown > a { display: block; }
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 8px 0;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    margin-top: 8px;
}
.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}
.dropdown-menu a {
    display: block;
    padding: 8px 16px;
    font-size: 14px;
}
.dropdown-menu a:hover {
    background: #f5f5f5;
}

.mobile-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}
.mobile-menu-simple {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    z-index: 999;
    padding: 80px 20px 20px;
    flex-direction: column;
    gap: 0;
}
.mobile-menu-simple.active {
    display: flex;
}
.mobile-menu-simple a {
    padding: 16px;
    border-bottom: 1px solid #eee;
    text-decoration: none;
    color: #333;
    font-size: 16px;
}

@media (max-width: 768px) {
    .nav-simple { display: none; }
    .header-simple .btn { display: none; }
    .mobile-btn { display: block; }
}

body.has-simple-nav {
    padding-top: 0;
}

/* 基础样式重置 */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

:root {
    --primary: #e53935;
    --primary-dark: #c62828;
    --primary-light: #ffcdd2;
    --secondary: #1976d2;
    --text: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg: #fff;
    --bg-gray: #f5f5f5;
    --bg-dark: #1a1a2e;
    --border: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --max-width: 1200px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

/* 有动态导航时的页面偏移补偿 */
body.has-dynamic-nav {
    padding-top: 116px;
}

/* 页面标题区域在有动态导航时的调整 */
body.has-dynamic-nav .page-header {
    margin-top: -116px;
    padding-top: 156px; /* 原padding-top + 导航高度补偿 */
}

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

/* 顶部信息栏 */
.top-bar {
    background: #1a1a2e;
    color: white;
    padding: 8px 0;
    font-size: 13px;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left {
    display: flex;
    gap: 24px;
    align-items: center;
}
.emergency-hotline {
    background: var(--primary);
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 500;
}
.top-bar-right {
    display: flex;
    gap: 20px;
}
.top-bar-right a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.2s;
}
.top-bar-right a:hover {
    color: white;
}

/* 主导航 */
.header {
    background: var(--bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* 当动态导航加载后的样式 */
.has-dynamic-nav .header {
    top: 36px; /* 避开top-bar */
}

/* 手机端：弹性导航，不固定 */
@media (max-width: 768px) {
    .header {
        position: relative;
        top: 0;
    }
    .has-dynamic-nav .header {
        top: 0;
    }
    body.has-dynamic-nav {
        padding-top: 0;
    }
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

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

.nav {
    display: flex;
    gap: 32px;
}

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

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

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

/* 导航下拉菜单 */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: all 0.3s;
}

.nav-dropdown:hover .nav-dropdown-trigger {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    margin-top: 8px;
    z-index: 1001;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown-menu a {
    display: block;
    padding: 10px 16px;
    white-space: nowrap;
    transition: background 0.2s;
}

.nav-dropdown-menu a:hover {
    background: var(--bg-gray);
}

.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--bg);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.phone {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg);
    box-shadow: var(--shadow);
    padding: 16px;
    flex-direction: column;
    gap: 12px;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--text);
    padding: 12px;
    border-radius: var(--radius);
}

.mobile-menu a:hover {
    background: var(--bg-gray);
}

/* 超级菜单 */
.main-nav {
    display: flex;
    gap: 32px;
    align-items: center;
}
.main-nav > a,
.main-nav .nav-dropdown-trigger {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
}
.main-nav > a:hover,
.main-nav > a.active {
    color: var(--primary);
}
.main-nav .nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}
.main-nav .nav-dropdown-trigger span {
    font-size: 10px;
    transition: transform 0.3s;
}
.nav-dropdown:hover .nav-dropdown-trigger span {
    transform: rotate(180deg);
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 24px;
    width: 900px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    margin-top: 8px;
}
.nav-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
}
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.mega-menu-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mega-menu-col.highlight {
    background: var(--primary-light);
    padding: 16px;
    border-radius: var(--radius);
    margin: -8px;
}
.mega-menu-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
}
.mega-menu-col a {
    font-size: 13px;
    color: var(--text-light);
    text-decoration: none;
    padding: 6px 0;
    transition: all 0.2s;
}
.mega-menu-col a:hover {
    color: var(--primary);
    padding-left: 8px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    font-size: 14px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary-light);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

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

.btn-white {
    background: white;
    color: var(--primary);
}

.btn-white:hover {
    background: var(--bg-gray);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 1px solid white;
}

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

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

/* Hero区域 */
.hero {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="80" cy="20" r="40" fill="rgba(229,57,53,0.1)"/><circle cx="20" cy="80" r="30" fill="rgba(25,118,210,0.1)"/></svg>');
    background-size: cover;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero .highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 20px;
    color: #ffcdd2;
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

/* 服务介绍 */
.services {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text);
}

.section-title.light {
    color: white;
}

.section-subtitle {
    text-align: center;
    color: rgba(255,255,255,0.8);
    margin-top: -32px;
    margin-bottom: 48px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    transition: all 0.3s;
}

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

.service-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

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

.service-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 16px;
}

.service-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.service-card li {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

/* 案例 */
.cases {
    padding: 80px 0;
    background: var(--bg-gray);
}

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

.case-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

.case-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 12px;
}

.case-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.case-card p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 16px;
}

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

/* 为什么选择我们 */
.why-us {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.feature {
    text-align: center;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.feature p {
    font-size: 14px;
    color: var(--text-light);
}

/* CTA区域 */
.cta-section {
    padding: 80px 0;
    background: var(--primary);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
}

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

/* 底部 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin: 16px 0;
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 8px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
}

.footer-bottom a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}

.footer-note {
    margin-top: 8px;
    font-size: 12px;
}

/* 页面头部 */
.page-header {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 40px;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.8;
}

/* 培训页面样式 */
.section {
    padding: 80px 0;
}

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

.section-dark {
    background: var(--bg-dark);
    color: white;
}

.training-intro h2 {
    text-align: center;
    margin-bottom: 48px;
}

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

.intro-item {
    text-align: center;
    padding: 24px;
}

.intro-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.3;
    margin-bottom: 8px;
}

.intro-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.intro-item p {
    font-size: 14px;
    color: var(--text-light);
}

/* 课程卡片 */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.course-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    position: relative;
}

.course-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: #ff9800;
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 1;
}

.course-badge.hot {
    background: var(--primary);
}

.course-image {
    width: 200px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-icon {
    font-size: 64px;
}

.course-content {
    flex: 1;
    padding: 24px;
}

.course-content h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.course-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.course-features {
    list-style: none;
    margin-bottom: 16px;
}

.course-features li {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.course-price .price {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.course-price .price-unit {
    font-size: 14px;
    color: var(--text-light);
}

/* 培训流程 */
.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.step-number {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.step-content h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.step-content p {
    font-size: 12px;
    color: var(--text-light);
}

.process-arrow {
    font-size: 24px;
    color: var(--primary);
}

/* 表单样式 */
.register-form-wrapper,
.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.register-form,
.contact-form {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-section {
    margin-bottom: 24px;
}

.form-section h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.3s;
}

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

.form-submit {
    text-align: center;
    padding-top: 16px;
}

.form-note {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 12px;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

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

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 500;
}

.faq-icon {
    font-size: 20px;
    color: var(--primary);
}

.faq-answer {
    padding: 0 20px 16px;
    display: none;
}

.faq-answer p {
    font-size: 14px;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* 咨询页面样式 */
.consulting-value h2 {
    text-align: center;
    margin-bottom: 48px;
}

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

.value-card {
    text-align: center;
    padding: 24px;
}

.value-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.value-card h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.value-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* 服务对象 */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.client-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow);
}

.client-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.client-card h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.client-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 20px;
}

.client-card li {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
    padding-left: 16px;
    position: relative;
}

.client-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 服务流程时间线 */
.consulting-process {
    max-width: 900px;
    margin: 0 auto;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border);
}

.timeline-item {
    text-align: center;
    position: relative;
    flex: 1;
}

.timeline-dot {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 16px;
    position: relative;
    z-index: 1;
}

.timeline-content h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.timeline-time {
    font-size: 11px;
    color: var(--primary);
}

/* 服务详情 */
.service-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.detail-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.detail-header {
    background: var(--primary);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.detail-icon {
    font-size: 24px;
}

.detail-header h3 {
    font-size: 18px;
}

.detail-body {
    padding: 20px;
}

.detail-body ul {
    list-style: none;
}

.detail-body li {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.detail-body li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* 定价卡片 */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto 24px;
}

.pricing-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
}

.pricing-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

.pricing-price {
    margin-bottom: 24px;
}

.pricing-price .price {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
}

.pricing-price .price-note {
    font-size: 14px;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-features li {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text);
}

.pricing-features li.disabled {
    color: var(--text-lighter);
    text-decoration: line-through;
}

.pricing-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .services-grid,
    .cases-grid,
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid,
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .intro-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu.active {
        display: flex;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .services-grid,
    .cases-grid,
    .features-grid,
    .value-grid,
    .clients-grid,
    .courses-grid,
    .service-details,
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        flex-direction: column;
        gap: 24px;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .course-card {
        flex-direction: column;
    }
    
    .course-image {
        width: 100%;
        height: 150px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}