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

:root {
    --primary: #ff0066;
    --secondary: #00ffff;
    --accent: #ff00ff;
    --bg-dark: #0a0a0a;
    --bg-light: #1a1a1a;
    --bg-card: #151515;
    --text-white: #ffffff;
    --text-gray: #aaaaaa;
    --neon-pink: #ff0066;
    --neon-purple: #bf00ff;
    --neon-blue: #00d4ff;
    --neon-glow: 0 0 10px currentColor, 0 0 20px currentColor, 0 0 40px currentColor;
    --transition: all 0.3s ease;
}

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

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

ul, ol {
    list-style: none;
}

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

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

/* ============ Header ============ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 0, 102, 0.3);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 28px;
    font-weight: 900;
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink), 0 0 30px var(--neon-pink);
    letter-spacing: 4px;
}

.logo span {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue);
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-white);
    font-size: 14px;
}

.contact-item i {
    color: var(--neon-pink);
    font-size: 18px;
}

.contact-item .phone {
    color: var(--neon-blue);
    font-size: 20px;
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-blue);
}

.contact-item .wechat {
    color: var(--neon-purple);
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-purple);
}

/* ============ Navigation ============ */
.nav {
    background: rgba(20, 20, 20, 0.98);
    border-top: 1px solid rgba(255, 0, 102, 0.2);
}

.nav-inner {
    display: flex;
    justify-content: center;
    gap: 50px;
    height: 50px;
    align-items: center;
}

.nav a {
    position: relative;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-white);
    padding: 10px 5px;
    transition: var(--transition);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--neon-pink);
    box-shadow: 0 0 10px var(--neon-pink);
    transition: var(--transition);
}

.nav a:hover,
.nav a.active {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

/* Mobile menu button */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--neon-pink);
    box-shadow: 0 0 5px var(--neon-pink);
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ============ Page Banner ============ */
.page-banner {
    margin-top: 130px;
    height: 250px;
    background: linear-gradient(135deg, #1a0a1a 0%, #0a0a1a 50%, #0a1a1a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 0, 102, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.3) 0%, transparent 50%);
}

.page-banner-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.page-banner h1 {
    font-size: 48px;
    color: var(--text-white);
    text-shadow: 0 0 20px var(--neon-pink), 0 0 40px var(--neon-pink);
    margin-bottom: 10px;
}

.page-banner .breadcrumb {
    color: var(--text-gray);
    font-size: 14px;
}

.page-banner .breadcrumb a {
    color: var(--neon-blue);
}

.page-banner .breadcrumb span {
    margin: 0 10px;
}

/* ============ Section Title ============ */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--text-white);
    margin-bottom: 15px;
}

.section-title h2 .highlight {
    color: var(--neon-pink);
    text-shadow: 0 0 20px var(--neon-pink);
}

.section-title p {
    color: var(--text-gray);
    font-size: 16px;
}

.section-title .title-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
    margin: 20px auto 0;
    box-shadow: 0 0 10px var(--neon-pink);
}

/* ============ Button ============ */
.btn {
    display: inline-block;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    color: var(--text-white);
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(255, 0, 102, 0.5);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(255, 0, 102, 0.8);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--neon-pink);
    color: var(--neon-pink);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--neon-pink);
    color: var(--text-white);
    box-shadow: 0 0 20px var(--neon-pink);
}

/* ============ Cards ============ */
.card {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 0, 102, 0.2);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-pink);
    box-shadow: 0 10px 40px rgba(255, 0, 102, 0.3);
}

.card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.card-body {
    padding: 25px;
}

.card-body h3 {
    font-size: 18px;
    color: var(--text-white);
    margin-bottom: 10px;
}

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

.card-body .date {
    color: var(--neon-blue);
    font-size: 13px;
    margin-bottom: 10px;
}

/* ============ Footer ============ */
.footer {
    background: #050505;
    border-top: 1px solid rgba(255, 0, 102, 0.3);
    padding: 60px 0 0;
    margin-top: 80px;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
    font-size: 18px;
    color: var(--text-white);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--neon-pink);
    box-shadow: 0 0 10px var(--neon-pink);
}

.footer-col p {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--text-gray);
    font-size: 14px;
    display: block;
    padding: 5px 0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--neon-pink);
    padding-left: 5px;
}

.footer-col .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-gray);
    font-size: 14px;
}

.footer-col .footer-contact i {
    color: var(--neon-pink);
    font-size: 16px;
    width: 20px;
}

.footer-col .contact-phone {
    color: var(--neon-blue);
    font-size: 22px;
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-blue);
}

.footer-col .contact-wechat {
    color: var(--neon-purple);
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-purple);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    color: var(--text-gray);
    font-size: 13px;
}

.footer-bottom a {
    color: var(--neon-blue);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

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

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

/* ============ Responsive ============ */
@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 60px;
    }

    .logo {
        font-size: 22px;
        letter-spacing: 2px;
    }

    .contact-info {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(20, 20, 20, 0.98);
        transition: left 0.3s ease;
        z-index: 998;
    }

    .nav.active {
        left: 0;
    }

    .nav-inner {
        flex-direction: column;
        height: auto;
        gap: 0;
        padding: 20px 0;
    }

    .nav a {
        width: 100%;
        text-align: center;
        padding: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav a::after {
        display: none;
    }

    .page-banner {
        margin-top: 60px;
        height: 180px;
    }

    .page-banner h1 {
        font-size: 32px;
    }

    .section-title h2 {
        font-size: 26px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo {
        font-size: 20px;
    }

    .page-banner h1 {
        font-size: 24px;
    }

    .btn {
        padding: 12px 30px;
        font-size: 14px;
    }
}