/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d2ff;
    --secondary-color: #3a7bd5;
    --accent-color: #00ff88;
    --dark-bg: #0a0e17;
    --light-bg: #111625;
    --text-color: #e0e6ed;
    --text-muted: #8b9bb4;
    --card-bg: rgba(17, 22, 37, 0.8);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

/* 导航栏 */
.navbar {
    background-color: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 210, 255, 0.1);
}

.navbar-top {
    background: linear-gradient(90deg, rgba(0, 210, 255, 0.1), rgba(0, 255, 136, 0.1));
    border-bottom: 1px solid rgba(0, 210, 255, 0.2);
}

.navbar-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 20px;
}

.top-left {
    display: flex;
    gap: 20px;
}

.top-left span {
    font-size: 14px;
    color: var(--text-muted);
}

.top-left i {
    margin-right: 5px;
    color: var(--primary-color);
}

.top-right {
    display: flex;
    gap: 15px;
}

.top-right a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 210, 255, 0.1);
    color: var(--primary-color);
    transition: var(--transition);
}

.top-right a:hover {
    background: var(--primary-color);
    color: white;
}

.navbar-main {
    padding: 15px 0;
}

.navbar-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.logo i {
    margin-right: 10px;
    font-size: 28px;
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-size: 16px;
    color: var(--text-color);
    position: relative;
    padding: 8px 0;
}

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

.nav-links a.active::after {
    width: 100%;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.navbar-contact {
    display: flex;
    align-items: center;
}

.contact-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 30px;
    border: 1px solid rgba(0, 210, 255, 0.3);
}

.contact-phone i {
    font-size: 18px;
    color: var(--primary-color);
}

.phone-info {
    display: flex;
    flex-direction: column;
}

.phone-label {
    font-size: 12px;
    color: var(--text-muted);
}

.phone-number {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* 右侧悬浮栏 */
.sidebar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.sidebar-item {
    position: relative;
    cursor: pointer;
}

.sidebar-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px 0 0 8px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.sidebar-item:hover .sidebar-icon {
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.5);
}

.sidebar-icon i {
    font-size: 20px;
}

.sidebar-content {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%) translateX(20px);
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 10px;
    border: 1px solid rgba(0, 210, 255, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.sidebar-item:hover .sidebar-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.sidebar-title {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.phone-number {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

.qr-code {
    margin-top: 10px;
}

.qr-code img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
}

.back-to-top .sidebar-icon {
    background: linear-gradient(135deg, var(--accent-color), #00cc6a);
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 50px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(0, 210, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 255, 136, 0.3), transparent),
        radial-gradient(2px 2px at 50px 160px, rgba(0, 210, 255, 0.3), transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(0, 255, 136, 0.3), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(0, 210, 255, 0.3), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(0, 255, 136, 0.3), transparent);
    background-size: 200px 200px;
    animation: particles 20s linear infinite;
    pointer-events: none;
}

@keyframes particles {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

.hero-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 210, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 210, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 30px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 210, 255, 0.3);
}

.hero-badge i {
    color: var(--accent-color);
}

.hero-badge span {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

.hero-title {
    font-size: 56px;
    margin-bottom: 30px;
    line-height: 1.2;
}

.title-line {
    display: block;
    color: var(--text-color);
    margin-bottom: 10px;
}

.title-gradient {
    display: block;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    margin-bottom: 40px;
}

.hero-description p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

.hero-features {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.feature-text h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

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

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary i,
.btn-secondary i,
.btn-phone i {
    margin-right: 8px;
}

.btn-phone {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--accent-color), #00cc6a);
    color: white;
    border-radius: 30px;
    font-weight: bold;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.3);
}

.btn-phone:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
}

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 30px;
    font-weight: bold;
    box-shadow: 0 5px 20px rgba(0, 210, 255, 0.3);
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.4);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    font-weight: bold;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(0, 210, 255, 0.1);
    transform: translateY(-3px);
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 600px;
}

.tech-circle {
    position: absolute;
    border: 2px solid rgba(0, 210, 255, 0.2);
    border-radius: 50%;
}

.tech-circle-2 {
    width: 400px;
    height: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 20s linear infinite;
}

.tech-circle-3 {
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 30s linear infinite reverse;
}

@keyframes rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-card {
    position: absolute;
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 6s ease-in-out infinite;
}

.hero-card-2 {
    top: 30%;
    right: 10%;
    animation-delay: 1s;
}

.hero-card-3 {
    top: 55%;
    right: 15%;
    animation-delay: 2s;
}

.hero-card-4 {
    top: 40%;
    right: 5%;
    animation-delay: 3s;
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.card-content h3 {
    font-size: 16px;
    margin-bottom: 5px;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 通用部分样式 */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 50px;
    font-size: 18px;
}

/* 服务项目 */
.services {
    background-color: var(--light-bg);
    position: relative;
}

.services::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.service-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    transition: var(--transition);
    border: 1px solid rgba(0, 210, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.2);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-features li {
    font-size: 14px;
    color: var(--accent-color);
}

.service-features i {
    margin-right: 5px;
}

/* 成功案例 */
.cases {
    background-color: var(--dark-bg);
    position: relative;
}

.cases::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 100%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.case-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 210, 255, 0.1);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.2);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.case-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.case-tags {
    display: flex;
    gap: 10px;
}

.tag {
    padding: 5px 15px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 20px;
    font-size: 14px;
    color: var(--primary-color);
}

/* 预约表单 */
.appointment {
    background-color: var(--light-bg);
    position: relative;
}

.appointment::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.appointment-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 40px;
    border: 1px solid rgba(0, 210, 255, 0.1);
    position: relative;
    z-index: 1;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: rgba(10, 14, 23, 0.8);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.2);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0, 210, 255, 0.3);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.4);
}

/* 联系我们 */
.contact {
    background-color: var(--dark-bg);
    position: relative;
}

.contact::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 100%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-muted);
}

.contact-map {
    height: 400px;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 210, 255, 0.1);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--light-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.map-placeholder i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* 页脚 */
.footer {
    background-color: var(--light-bg);
    padding: 60px 0 20px;
}

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

.footer-section .logo {
    margin-bottom: 20px;
}

.footer-section p {
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

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

.footer-section ul a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-section ul a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 255, 136, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 210, 255, 0.1);
    color: var(--text-muted);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: rgba(10, 14, 23, 0.95);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links li {
        margin: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-visual {
        display: none;
    }

    .hero-content {
        padding-right: 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .sidebar {
        bottom: 20px;
        top: auto;
        transform: translateY(0);
        flex-direction: row;
    }

    .sidebar-item {
        margin-bottom: 0;
    }

    .sidebar-content {
        right: 0;
        top: 60px;
        transform: translateY(20px);
    }

    .sidebar-item:hover .sidebar-content {
        transform: translateY(0);
    }
}