/* 尧图网站建设 - 全局样式 */
/* 插画潮流风 | 亮橙 + 浅紫 + 浅蓝 */

:root {
    --primary-orange: #FF6B35;
    --light-purple: #9D7ED9;
    --light-blue: #4ECDC4;
    --dark-bg: #1A1A2E;
    --card-bg: #FFFFFF;
    --text-primary: #2C2C2C;
    --text-secondary: #666666;
    --border-color: #E0E0E0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #FAFAFA;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 右侧常驻悬浮导航 ========== */
.side-nav {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 30px 15px;
    transition: all 0.3s ease;
}

.side-nav:hover {
    transform: translateY(-50%) translateX(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

.side-nav-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.side-logo {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--primary-orange);
}

.side-logo img {
    width: 120px;
    height: 36px;
}

.side-menu ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.side-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    border-radius: 12px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.side-menu li a:hover,
.side-menu li a.active {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--light-purple) 100%);
    color: #fff;
    transform: translateX(-5px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.nav-icon {
    font-size: 18px;
}

.nav-text {
    font-size: 13px;
}

.side-nav-footer {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid var(--light-blue);
    text-align: center;
}

.contact-info p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 5px 0;
    font-weight: 500;
}

/* 移动端汉堡按钮 */
.mobile-nav-toggle {
    display: none;
    position: absolute;
    top: 20px;
    right: -50px;
    width: 40px;
    height: 40px;
    background: var(--primary-orange);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    z-index: 1001;
}

.mobile-nav-toggle span {
    width: 20px;
    height: 3px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .side-nav {
        top: 0;
        right: -100%;
        transform: none;
        width: 280px;
        height: 100vh;
        border-radius: 0;
        transition: right 0.3s ease;
    }

    .side-nav.active {
        right: 0;
    }

    .mobile-nav-toggle {
        display: flex;
        right: 20px;
        top: 20px;
    }

    .side-menu li a {
        padding: 15px 20px;
        font-size: 15px;
    }

    .nav-text {
        font-size: 14px;
    }
}

.header.scrolled .nav-skew-block {
    width: 200px;
    opacity: 0.6;
    transform: translateY(-50%) skewX(-15deg) scale(0.9);
}

/* 左侧文字装饰 */
.nav-decor-text {
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%) skewX(20deg);
    color: #fff;
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 2px 2px 0px rgba(0,0,0,0.1);
    pointer-events: none;
    z-index: 0;
}

/* 右侧悬浮导航卡片 */
.nav-suspended-card {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    padding: 15px 30px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 30px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
}

.header.scrolled .nav-suspended-card {
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.95);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 20px;
    white-space: nowrap;
}

.logo img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.1) rotate(-5deg);
}

.nav-menu {
    display: flex;
    gap: 5px;
}

.nav-menu li {
    list-style: none;
    position: relative;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: block;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary-orange);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px 2px 0 0;
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 80%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-orange);
    background: rgba(255, 107, 53, 0.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 20;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 响应式适配 */
@media (max-width: 1024px) {
    .nav-skew-block,
    .nav-decor-text {
        display: none;
    }

    .header-inner {
        padding: 0 20px;
        justify-content: space-between;
    }

    .nav-suspended-card {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px;
        border-radius: 0;
        box-shadow: -5px 0 30px rgba(0,0,0,0.1);
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        margin-left: 0;
        gap: 20px;
    }

    .nav-suspended-card.active {
        right: 0;
    }

    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }

    .nav-menu a {
        padding: 15px 20px;
        font-size: 16px;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .nav-menu a::before {
        bottom: auto;
        top: 50%;
        left: 0;
        width: 3px;
        height: 0;
        transform: translateY(-50%);
        border-radius: 0 2px 2px 0;
    }

    .nav-menu a:hover::before,
    .nav-menu a.active::before {
        height: 60%;
        width: 3px;
    }

    .hamburger {
        display: flex;
    }
}

/* ========== 页脚 ========== */
.footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2D2D44 100%);
    color: #FFFFFF;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--primary-orange);
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--light-purple);
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #CCCCCC;
    font-size: 14px;
}

.footer-section ul li a:hover {
    color: var(--primary-orange);
    padding-left: 5px;
}

.footer-contact p {
    color: #CCCCCC;
    font-size: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: #999999;
    font-size: 14px;
}

/* ========== 通用按钮 ========== */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange), #FF8C5A);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--light-purple), #B094E8);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(157, 126, 217, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(157, 126, 217, 0.4);
}

/* ========== 卡片样式 ========== */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.card-content {
    padding: 25px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #999999;
}

/* ========== 动画效果 ========== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: #FFFFFF;
        flex-direction: column;
        padding: 40px 20px;
        gap: 20px;
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .container {
        padding: 0 15px;
    }
}

/* ========== 十字分割布局 ========== */
.cross-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2px;
    background: linear-gradient(135deg, var(--primary-orange), var(--light-purple));
    padding: 2px;
}

.cross-quadrant {
    background: #FFFFFF;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cross-quadrant::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.cross-quadrant:hover::before {
    opacity: 1;
}

.cross-quadrant:nth-child(1) {
    border-top: 3px solid var(--primary-orange);
    border-left: 3px solid var(--primary-orange);
}

.cross-quadrant:nth-child(2) {
    border-top: 3px solid var(--light-purple);
    border-right: 3px solid var(--light-purple);
}

.cross-quadrant:nth-child(3) {
    border-bottom: 3px solid var(--light-blue);
    border-left: 3px solid var(--light-blue);
}

.cross-quadrant:nth-child(4) {
    border-bottom: 3px solid var(--primary-orange);
    border-right: 3px solid var(--primary-orange);
}

/* ========== 页面标题区 ========== */
.page-header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2D2D44 100%);
    padding: 140px 0 60px;
    text-align: center;
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/header-bg.png') center/cover;
    opacity: 0.1;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 18px;
    color: #CCCCCC;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ========== 内容区块 ========== */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--text-primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--light-purple));
    border-radius: 2px;
}

.section-title p {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 20px auto 0;
}

/* ========== 网格布局 ========== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

@media (max-width: 992px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ========== 新闻列表 ========== */
.news-list {
    display: grid;
    gap: 30px;
}

.news-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 25px;
    padding: 25px;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.news-item-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 12px;
}

.news-item-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-item-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.news-item-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.news-item-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #999999;
}

@media (max-width: 768px) {
    .news-item {
        grid-template-columns: 1fr;
    }

    .news-item-image {
        height: 200px;
    }
}

/* ========================================
   优势页面样式
   ======================================== */

/* 优势 Banner */
.advantage-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 350px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.advantage-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.advantage-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

/* 优势模块 */
.advantage-section {
    background: #f9fbfd;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.advantage-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--tertiary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border-color: var(--secondary-color);
}

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

.card-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(157, 126, 217, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.advantage-card:hover .card-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: rotateY(360deg);
}

.card-icon img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.card-desc {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 15px;
}

.card-list {
    list-style: none;
    padding: 0;
    text-align: left;
    background: #f9fbfd;
    border-radius: 12px;
    padding: 20px;
}

.card-list li {
    color: #555;
    padding: 8px 0;
    font-size: 14px;
    line-height: 1.6;
    border-bottom: 1px dashed #e0e0e0;
}

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

/* 数据统计模块 */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    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="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    color: #ffffff;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 18px;
    opacity: 0.95;
}

/* 服务保障模块 */
.service-guarantee {
    background: #ffffff;
}

.guarantee-list {
    max-width: 900px;
    margin: 40px auto 0;
}

.guarantee-item {
    display: flex;
    align-items: flex-start;
    padding: 25px 30px;
    margin-bottom: 20px;
    background: #f9fbfd;
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.guarantee-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    background: #ffffff;
}

.guarantee-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin-right: 20px;
    flex-shrink: 0;
}

.guarantee-content h4 {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.guarantee-content p {
    color: #666;
    line-height: 1.7;
    font-size: 15px;
}

/* CTA 行动号召 */
.cta-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.2), transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 42px;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 700;
}

.cta-desc {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 35px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 16px 45px;
    font-size: 18px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-buttons .btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.cta-buttons .btn-primary:hover {
    background: #ff5722;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.5);
}

.cta-buttons .btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.cta-buttons .btn-secondary:hover {
    background: #ffffff;
    color: #1a1a2e;
    transform: translateY(-3px);
}

/* 响应式适配 */
@media (max-width: 1024px) {
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 42px;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .cta-desc {
        font-size: 17px;
    }
    
    .guarantee-item {
        flex-direction: column;
        text-align: center;
    }
    
    .guarantee-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
}