/* 
 * 企业官网 - 主样式文件
 * 高端、炫酷、响应式设计
 */

/* 基础样式 */
:root {
    --primary-color: #2874fc;
    --secondary-color: #7b42ff;
    --accent-color: #ff5e62;
    --text-color: #333;
    --light-text: #fff;
    --dark-bg: #151b2b;
    --light-bg: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    --border-radius: 8px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

p {
    margin-bottom: 1.5rem;
}

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

a:hover {
    color: var(--secondary-color);
}

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

ul {
    list-style: none;
}

/* 布局样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

.col-lg-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
    padding: 0 15px;
}

.section-padding {
    padding: 100px 0;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(40, 116, 252, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(40, 116, 252, 0.5);
    transform: translateY(-3px);
}

/* 页面加载动画 */
.preloader {
    position: fixed;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader {
    position: relative;
    width: 100px;
    height: 100px;
}

.spinner {
    width: 100%;
    height: 100%;
    position: relative;
}

.double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--primary-color);
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
    background-color: var(--secondary-color);
    animation-delay: -1.0s;
}

@keyframes sk-bounce {
    0%, 100% { 
        transform: scale(0.0);
    } 50% { 
        transform: scale(1.0);
    }
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    background-color: transparent;
}

.header.initial-state {
    background-color: rgba(21, 27, 43, 0.7);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header.sticky {
    padding: 15px 0;
    background-color: rgba(21, 27, 43, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 40px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--light-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
}

.main-nav li {
    margin: 0 15px;
}

.main-nav .nav-link {
    color: var(--light-text);
    position: relative;
    padding: 5px 0;
    font-weight: 500;
}

.main-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #fff;
    margin: 5px 0;
    transition: var(--transition);
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background-color: var(--dark-bg);
    z-index: 1001;
    padding: 70px 30px 30px;
    transition: var(--transition);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.close-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    color: #fff;
    cursor: pointer;
}

.mobile-menu ul li {
    margin-bottom: 15px;
}

.mobile-menu .nav-link {
    color: #fff;
    font-size: 18px;
    display: block;
    padding: 5px 0;
}

/* Banner区块 */
.banner-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.banner-slider {
    height: 100%;
}

.banner-slide {
    height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    position: relative;
}

.banner-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(21, 27, 43, 0.9), rgba(21, 27, 43, 0.4));
}

.banner-content {
    position: relative;
    max-width: 700px;
}

.banner-content h1 {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 20px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.banner-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.banner-slide .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, rgba(21, 27, 43, 1), transparent);
}

/* 粒子背景 */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 区块标题样式 */
.section-heading {
    text-align: center;
    margin-bottom: 60px;
}

.section-heading h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-heading p {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.heading-line {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 20px auto 0;
    border-radius: 2px;
}

.section-heading.light h2,
.section-heading.light p {
    color: #fff;
}

/* 关于我们区块 */
.about-section {
    position: relative;
    overflow: hidden;
}

.about-content {
    padding-right: 30px;
}

.about-text {
    margin-bottom: 30px;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(40, 116, 252, 0.2), rgba(123, 66, 255, 0.2));
    z-index: 1;
    opacity: 0;
    transition: var(--transition);
}

.about-image:hover::before {
    opacity: 1;
}

.about-image img {
    width: 100%;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

.placeholder-image {
    background-color: #f5f5f5;
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
}

.placeholder-image i {
    font-size: 60px;
    color: #ddd;
}

/* 视差滚动效果 */
.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern.svg') repeat;
    opacity: 0.03;
    transform: translateZ(-10px) scale(2);
}

/* 服务区块 */
.services-section {
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.services-section::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(40, 116, 252, 0.2), rgba(123, 66, 255, 0.2));
    top: -150px;
    left: -150px;
    z-index: 0;
}

.services-section::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 94, 98, 0.15), rgba(123, 66, 255, 0.15));
    bottom: -100px;
    right: -100px;
    z-index: 0;
}

.service-box {
    background-color: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: left;
    margin-bottom: 30px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid rgba(230, 230, 230, 0.7);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gradient-primary);
    transition: all 0.4s ease;
    z-index: 1;
}

.service-box:hover::before {
    height: 100%;
}

.service-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(40, 116, 252, 0.1);
    border-color: rgba(40, 116, 252, 0.2);
}

.service-icon {
    font-size: 40px;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 25px 0;
    color: var(--primary-color);
    transition: all 0.4s ease;
    position: relative;
    border-radius: 12px;
    background-color: rgba(40, 116, 252, 0.08);
}

.service-icon img {
    max-height: 40px;
    max-width: 40px;
}

.service-box:hover .service-icon {
    background-color: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
}

.service-box:hover .service-icon img {
    filter: brightness(0) invert(1);
}

.service-box h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 12px;
}

.service-box h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
}

.service-box:hover h3::after {
    width: 60px;
}

.service-box p {
    transition: all 0.3s ease;
    margin-bottom: 25px;
    flex-grow: 1;
}

.service-box .btn {
    align-self: flex-start;
    margin-top: auto;
    padding: 10px 20px;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: none;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-box .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-color);
    transition: all 0.3s ease;
    z-index: -1;
}

.service-box:hover .btn {
    box-shadow: 0 5px 15px rgba(40, 116, 252, 0.2);
}

.service-box:hover .btn::before {
    width: 100%;
}

.service-box:hover .btn {
    color: #fff;
    border-color: var(--primary-color);
}

/* 翻转卡片效果改为现代悬停效果 */
.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: all 0.4s ease;
}

.flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.95);
    opacity: 0;
    transition: all 0.4s ease;
    padding: 30px;
    pointer-events: none;
    border-radius: 16px;
}

.service-box:hover .flip-card-back {
    opacity: 0;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .service-box {
        padding: 30px 25px;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
        margin: 0 0 20px 0;
    }
    
    .service-box h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 767px) {
    .service-box {
        margin-bottom: 0;
        height: auto;
        min-height: 280px;
    }
    
    .col-lg-4 {
        margin-bottom: 25px;
    }
}

/* 团队区块 */
.team-section {
    background-color: var(--dark-bg);
    color: #fff;
}

.team-member {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 30px;
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.member-image {
    position: relative;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    transition: var(--transition);
}

.team-member:hover .member-image img {
    transform: scale(1.1);
}

.member-info {
    padding: 25px 20px;
    text-align: center;
}

.member-info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.member-info .position {
    color: var(--primary-color);
    font-style: italic;
    margin-bottom: 15px;
}

.member-info .bio {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 客户区块 */
.clients-section {
    position: relative;
}

.clients-carousel {
    margin: 0 -15px;
    display: flex;
    flex-wrap: wrap;
}

.client-item {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 20px;
    text-align: center;
}

.client-item img {
    max-height: 60px;
    opacity: 0.6;
    transition: var(--transition);
    filter: grayscale(100%);
}

.client-item:hover img {
    opacity: 1;
    filter: grayscale(0%);
}

.placeholder-logo {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
    border-radius: var(--border-radius);
    color: #aaa;
}

/* 联系我们区块 */
.contact-section {
    background-color: var(--light-bg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 350px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 16px;
    background-color: #fff;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-5px);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.info-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.info-item p {
    margin-bottom: 0;
    color: #666;
}

.contact-map {
    height: 350px;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background-color: #f5f5f5;
}

/* 地图错误状态 */
.map-error {
    background-color: #f5f5f5;
}

.map-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #666;
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

/* 自定义地图标记 */
.custom-map-marker {
    background: none;
    border: none;
}

.custom-map-marker svg {
    width: 100%;
    height: 100%;
}

/* 页脚 */
.footer {
    background-color: var(--dark-bg);
    padding: 25px 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright p {
    margin-bottom: 0;
}

.back-to-top {
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(40, 116, 252, 0.4);
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
}

.back-to-top a {
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(40, 116, 252, 0.6);
}

/* 动画元素 */
.animated-element {
    opacity: 0;
}

/* 响应式样式 */
@media (max-width: 991px) {
    .section-padding {
        padding: 80px 0;
    }
    
    .banner-content h1 {
        font-size: 2.8rem;
    }
    
    .col-lg-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .client-item {
        flex: 0 0 33.33%;
        max-width: 33.33%;
    }
}

@media (max-width: 767px) {
    .section-padding {
        padding: 60px 0;
    }
    
    .banner-content h1 {
        font-size: 2.2rem;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .col-lg-4 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 20px;
    }
    
    .service-box {
        margin-bottom: 0;
    }
    
    .client-item {
        flex: 0 0 50%;
        max-width: 50%;
        padding: 15px;
    }
    
    .about-content {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .section-heading {
        margin-bottom: 40px;
    }
    
    .section-heading h2 {
        font-size: 2rem;
    }
}

@media (max-width: 575px) {
    .banner-content h1 {
        font-size: 1.8rem;
    }
    
    .client-item {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* 炫酷特效 */
/* 鼠标跟踪效果 */
.cursor-dot,
.cursor-outline {
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
    z-index: 9999;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
}

/* 视差效果 */
.parallax-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}

/* 3D卡片效果 */
.tilt-box {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.tilt-box-inner {
    transform: translateZ(0);
    transition: var(--transition);
}

/* 悬浮元素 */
.floating {
    animation-name: floating;
    animation-duration: 3s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}

@keyframes floating {
    0% { transform: translate(0,  0px); }
    50%  { transform: translate(0, 15px); }
    100%   { transform: translate(0, -0px); }   
}

/* 霓虹灯文字效果 */
.neon-text {
    text-shadow: 0 0 5px rgba(40, 116, 252, 0.7),
                 0 0 10px rgba(40, 116, 252, 0.5),
                 0 0 20px rgba(40, 116, 252, 0.3);
}

/* 光晕效果 */
.glow {
    position: relative;
    overflow: hidden;
}

.glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(30deg);
    animation: glowAnimation 3s infinite linear;
}

@keyframes glowAnimation {
    0% {
        transform: rotate(30deg) translateX(-100%);
    }
    100% {
        transform: rotate(30deg) translateX(100%);
    }
}

/* 确保内容可见的辅助类，用于避免JavaScript未正确加载导致内容不可见 */
.force-visible {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
    transition: none !important;
}

@media (max-width: 768px) {
    /* 添加新的媒体查询规则 */
}

.back-to-top-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.back-to-top-button.active {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top-button i {
    font-size: 20px;
}

.back-to-top-button:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    .back-to-top-button {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top-button i {
        font-size: 16px;
    }
}