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

:root {
    --primary: #00d4ff;
    --secondary: #7b2ff7;
    --accent: #ff6b35;
    --success: #00ff88;
    --dark: #0a0a1a;
    --darker: #0e1529;
    --light: #ffffff;
    --gray: #a0a0b0;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(0, 212, 255, 0.15);
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--darker);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* 粒子背景容器 */
.star-field {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background: linear-gradient(135deg, var(--darker) 0%, #0f1629 50%, var(--darker) 100%);
}

/* Canvas粒子画布 */
#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 顶部光束效果（穹顶状） */
.light-beam {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 40%;
    background: radial-gradient(
        ellipse at 50% 0%,
        rgba(255, 255, 255, 0.5) 0%,
        rgba(138, 180, 248, 0.3) 8%,
        rgba(138, 180, 248, 0.2) 15%,
        rgba(0, 212, 255, 0.15) 30%,
        rgba(138, 180, 248, 0.08) 50%,
        rgba(0, 212, 255, 0.03) 70%,
        transparent 100%
    );
    border-radius: 80% 80% 10% 0;
    animation: beamPulse 4s ease-in-out infinite;
    filter: blur(45px);
    box-shadow: 
        0 0 60px rgba(138, 180, 248, 0.3),
        0 0 120px rgba(0, 212, 255, 0.15),
        0 0 180px rgba(138, 180, 248, 0.1);
    z-index: 2;
}

.light-beam::before {
    content: '';
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 50%;
    background: radial-gradient(
        ellipse at 50% 0%,
        rgba(255, 255, 255, 0.6) 0%,
        rgba(200, 220, 255, 0.4) 15%,
        rgba(138, 180, 248, 0.3) 30%,
        rgba(0, 212, 255, 0.2) 50%,
        transparent 80%
    );
    border-radius: 50% 50% 0 0;
    animation: beamCore 3s ease-in-out infinite;
    filter: blur(20px);
    box-shadow: 
        0 0 40px rgba(255, 255, 255, 0.4),
        0 0 80px rgba(138, 180, 248, 0.2);
}

.light-beam::after {
    content: '';
    position: absolute;
    top: -5%;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 25%;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(255, 255, 255, 0.7) 0%,
        rgba(255, 255, 255, 0.5) 20%,
        rgba(200, 220, 255, 0.4) 40%,
        rgba(138, 180, 248, 0.4) 70%,
        transparent 100%
    );
    animation: beamBright 2s ease-in-out infinite;
    filter: blur(8px);
    box-shadow: 
        0 0 30px rgba(255, 255, 255, 0.6),
        0 0 60px rgba(138, 180, 248, 0.5),
        0 0 100px rgba(0, 212, 255, 0.3);
}

@keyframes beamPulse {
    0%, 100% {
        opacity: 0.5;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1.03);
    }
}

@keyframes beamCore {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes beamBright {
    0%, 100% {
        opacity: 0.5;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.9;
        transform: translateX(-50%) scale(1.08);
    }
}

/* 浮动粒子 */
.star-particle {
    position: absolute;
    background: rgba(0, 212, 255, 0.8);
    border-radius: 50%;
    animation: floatParticle ease-in-out infinite;
    box-shadow: 
        0 0 6px rgba(0, 212, 255, 0.6),
        0 0 12px rgba(0, 212, 255, 0.3),
        0 0 20px rgba(0, 212, 255, 0.2);
    z-index: 1;
}

@keyframes floatParticle {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.5;
    }
    25% {
        transform: translateY(-25px) translateX(10px);
        opacity: 0.9;
    }
    50% {
        transform: translateY(-15px) translateX(-8px);
        opacity: 0.7;
    }
    75% {
        transform: translateY(-30px) translateX(5px);
        opacity: 1;
    }
}

/* 发光粒子 */
.glow-particle {
    position: absolute;
    background: radial-gradient(circle, rgba(255,255,255,0.9) 0%, rgba(0,212,255,0.6) 50%, transparent 70%);
    border-radius: 50%;
    animation: glowFloat ease-in-out infinite;
    z-index: 1;
}

@keyframes glowFloat {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-35px) translateX(15px) scale(1.2);
        opacity: 0.9;
    }
    50% {
        transform: translateY(-20px) translateX(-12px) scale(0.9);
        opacity: 0.7;
    }
    75% {
        transform: translateY(-40px) translateX(8px) scale(1.1);
        opacity: 1;
    }
}



a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    background: linear-gradient(135deg, var(--darker) 0%, #0f1629 50%, var(--darker) 100%);
}

#particlesss {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    background: linear-gradient(135deg, var(--darker) 0%, #0f1629 50%, var(--darker) 100%);
}

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

/* ===== 导航栏 ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(5, 5, 16, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
}

.logo i {
    margin-right: 8px;
    color: var(--primary);
    -webkit-text-fill-color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: var(--gray);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

.nav-links .has-dropdown {
    position: relative;
}

.nav-links .dropdown {
    position: absolute;
    top: calc(100% + 5px);
    left: -20px;
    background: rgba(5, 5, 16, 0.98);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    min-width: 220px;
    display: none;
    flex-direction: column;
    gap: 12px;
}

.nav-links .has-dropdown:hover .dropdown {
    display: flex;
}

.nav-links .dropdown a {
    font-size: 0.85rem;
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav-links .dropdown a:hover {
    background: rgba(0, 212, 255, 0.1);
    padding-left: 15px;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
    z-index: 1001;
}

/* ===== 通用按钮 ===== */
.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient);
    color: var(--light);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

.btn-accent {
    background: linear-gradient(135deg, #ff6b35, #ff9558);
    color: var(--light);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.5);
}

/* ===== 通用区块 ===== */
.section {
    padding: 80px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-title h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--light), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title .subtitle {
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.section-title p {
    color: var(--gray);
    font-size: 1rem;
    max-width: 700px;
    margin: 0 auto;
}

.page-hero {
    margin-top: 70px;
    padding: 100px 5% 60px;
    text-align: center;
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.05), transparent);
    position: relative;
}

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero p {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

.breadcrumb {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 5%;
    color: var(--gray);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--gray);
    transition: color 0.3s;
}

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

.breadcrumb span {
    color: var(--primary);
    margin: 0 8px;
}

/* ===== 卡片 ===== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.card .icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--light);
    margin-bottom: 20px;
}

.card h3 {
    color: var(--light);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== 悬浮按钮（移动端）===== */
.floating-btns {
    position: fixed;
    right: 15px;
    bottom: 80px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.floating-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: var(--gradient);
    color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.floating-btn:hover {
    transform: scale(1.1);
}

.floating-btn .label {
    position: absolute;
    right: 70px;
    background: rgba(0, 0, 0, 0.85);
    color: var(--light);
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.floating-btn:hover .label {
    opacity: 1;
}

@media (max-width: 768px) {
    .floating-btns {
        right: 10px;
        bottom: 70px;
    }
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* ===== 底部导航 ===== */
footer {
    background: rgba(5, 5, 16, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 50px 5% 30px;
    margin-top: 50px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.footer-nav a {
    color: var(--gray);
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.footer-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-col p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-col p i {
    margin-right: 10px;
    color: var(--primary);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    color: var(--light);
    transform: translateY(-3px);
}

.social-links a {
    position: relative;
}

.qr-code {
    position: absolute;
        width: 120px;
    height: 120px;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 12px;
    padding: 12px;
    background: var(--light);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    border-radius: 0;
    object-fit: contain;
    background: #fff;
}

.qr-code span {
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--gray);
    text-align: center;
}

.social-links a:hover .qr-code {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-8px);
}

.qr-code::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--light);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--gray);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--gray);
    margin: 0 10px;
}

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

/* ===== 漂浮弹窗 ===== */
.float-popup {
    position: fixed;
    bottom: 150px;
    left: 30px;
    width: 200px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 12px;
    z-index: 9998;
    animation: floatAnimation 3s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float-popup img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

.float-popup-close {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 28px;
    height: 28px;
    background: var(--accent);
    border-radius: 50%;
    border: 2px solid var(--light);
    color: var(--light);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.float-popup-close:hover {
    background: #ff4757;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .float-popup {
        width: 140px;
        right: 15px;
        bottom: 130px;
    }
    
    .float-popup-close {
        width: 24px;
        height: 24px;
        font-size: 12px;
        top: -10px;
        right: -10px;
    }
}

/* ===== AI聊天组件 ===== */
.chat-btn {
    position: fixed;
    right: 30px;
    bottom: 300px;
    width: 60px;
    height: 60px;
    /* background: #0277b7; */
    background-image: url('../images/zxzx.png');
    background-size: cover;
    background-position: center;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    cursor: pointer;
    z-index: 9995;
    box-shadow: 0 4px 20px rgba(2, 119, 183, 0.4);
    transition: all 0.3s ease;
}

.chat-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(2, 119, 183, 0.6);
}

.chat-btn:active {
    transform: scale(0.95);
}

.chat-btn::before {
    content: '在线咨询';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(-10px);
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    font-size: 12px;
    white-space: nowrap;
    border-radius: 6px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.chat-btn:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-15px);
}

.chat-btn::after {
    content: '';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(-5px);
    border: 6px solid transparent;
    border-left-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.chat-btn:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-10px);
}

.chat-container {
    position: fixed;
    right: 30px;
    bottom: 300px;
    width: 360px;
    height: 500px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 9996;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.chat-container.active {
    display: flex;
    animation: chatSlideIn 0.3s ease;
}

@keyframes chatSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.chat-header {
    background: #0277b7;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.chat-title {
    font-size: 14px;
    font-weight: 600;
}

.chat-status {
    font-size: 11px;
    opacity: 0.8;
}

.chat-close {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background: #f7f8fa;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 2px;
}

.chat-message {
    display: flex;
    margin-bottom: 15px;
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.ai {
    justify-content: flex-start;
}

.chat-message-content {
    max-width: 75%;
    padding: 10px 14px;
    border-radius: 18px;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
}

.chat-message.user .chat-message-content {
    background: #0277b7;
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-message.ai .chat-message-content {
    background: #fff;
    color: #333;
    border: 1px solid #e5e7eb;
    border-bottom-left-radius: 4px;
}

.chat-input-area {
    padding: 10px 15px;
    background: #fff;
    border-top: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-input {
    flex: 1;
    padding: 10px 15px;
    background: #f5f5f5;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    outline: none;
    resize: none;
    max-height: 80px;
}

.chat-input::placeholder {
    color: #999;
}

.chat-send-btn {
    width: 36px;
    height: 36px;
    background: #0277b7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-send-btn:hover {
    transform: scale(1.1);
}

.chat-send-btn.disabled {
    background: #d1d5db;
    cursor: not-allowed;
    transform: none;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: #999;
    border-radius: 50%;
    animation: typingDot 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingDot {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .chat-btn {
        right: 15px;
        bottom: 260px;
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .chat-container {
        right: 10px;
        bottom: 260px;
        width: calc(100% - 20px);
        max-width: 340px;
        height: 450px;
    }
}

/* ===== 响应式 ===== */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 60%;
        max-width: 350px;
        height: 100vh;
        background: rgba(5, 5, 16, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 60px 30px;
        transition: right 0.3s ease;
        overflow-y: auto;
        gap: 15px;
    }

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

    .nav-links a {
        font-size: 1rem;
        padding: 8px 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links .has-dropdown .dropdown {
        position: static;
        background: transparent;
        border: none;
        padding: 10px 0 0 15px;
        min-width: auto;
        display: none;
        margin-top: 0;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .nav-links .has-dropdown.active .dropdown {
        display: flex;
        max-height: 500px;
    }

    .nav-links .dropdown a {
        font-size: 0.9rem;
        border: none;
        padding: 5px 0;
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 50px 5%;
    }

    .page-hero {
        padding: 60px 5% 40px;
    }

    .grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .grid-5 {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }

    .brand-content {
        padding: 25px;
    }

    .brand-content h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .brand-content p {
        font-size: 0.9rem;
    }

    .brand-tags span {
        padding: 6px 15px;
        font-size: 0.8rem;
    }

    footer {
        padding: 30px 5% 20px;
        margin-top: 30px;
    }

    .footer-info {
        gap: 25px;
    }

    .footer-nav {
        gap: 15px;
        margin-bottom: 25px;
        padding-bottom: 20px;
    }

    .footer-nav a {
        font-size: 0.85rem;
    }

    .footer-col p {
        font-size: 0.85rem;
    }

    .footer-bottom {
        font-size: 0.75rem;
    }

    .footer-bottom a {
        margin: 0 5px;
    }

    .qr-code {
        padding: 8px;
    }

    .qr-code img {
        width: 100px;
        height: 100px;
    }

    .qr-code span {
        font-size: 0.65rem;
        margin-top: 5px;
    }

    .product-content,
    .product-content.active {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 35px 3%;
    }

    .grid-3 {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .grid-5 {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .brand-content {
        padding: 20px;
        border-radius: 15px;
    }

    .brand-tags {
        gap: 8px;
    }

    .brand-tags span {
        padding: 4px 10px;
        font-size: 0.75rem;
    }

    .footer-info {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-nav {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .social-links {
        justify-content: center;
    }

    .qr-code {
        left: -30px;
        transform: none;
    }

    .social-links a:hover .qr-code {
        transform: translateY(-8px);
    }
}

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

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

/* ===== 标签页 ===== */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.fade-in  .product-item:nth-child(1) {
    background-image: url('../images/t2.png');
    background-size: cover;
    background-position: center;
}

.fade-in  .product-item:nth-child(2) {
    background-image: url('../images/t3.png');
    background-size: cover;
    background-position: center;
}

.fade-in  .product-item:nth-child(3) {
    background-image: url('../images/t44.png');
    background-size: cover;
    background-position: center;
}

.fade-in  .product-item:nth-child(4) {
    background-image: url('../images/t55.png');
    background-size: cover;
    background-position: center;
}

.fade-in  .product-item:nth-child(5) {
    background-image: url('../images/tps.png');
    background-size: cover;
    background-position: center;
}

.fade-in  .product-item:nth-child(6) {
    background-image: url('../images/wl6.png');
    background-size: cover;
    background-position: center;
}

.fade-inb  .product-item:nth-child(1) {
    background-image: url('../images/t111.png');
    background-size: cover;
    background-position: center;
}

.fade-inb  .product-item:nth-child(2) {
    background-image: url('../images/t222.png');
    background-size: cover;
    background-position: center;
}

.fade-inb  .product-item:nth-child(3) {
    background-image: url('../images/t333s.png');
    background-size: cover;
    background-position: center;
}

.fade-inb  .product-item:nth-child(4) {
    background-image: url('../images/t444.png');
    background-size: cover;
    background-position: center;
}

.fade-inb  .product-item:nth-child(5) {
    background-image: url('../images/t555s.png');
    background-size: cover;
    background-position: center;
}

.fade-inb  .product-item:nth-child(6) {
    background-image: url('../images/t6666.png');
    background-size: cover;
    background-position: center;
}

.fade-ing .product-item:nth-child(1) {
    background-image: url('../images/tjy.png');
    background-size: cover;
    background-position: center;
}

.fade-ing .product-item:nth-child(2) {
    background-image: url('../images/tcs1.png');
    background-size: cover;
    background-position: center;
}

.fade-ing .product-item:nth-child(3) {
    background-image: url('../images/tlz.png');
    background-size: cover;
    background-position: center;
}

.fade-ing .product-item:nth-child(4) {
    background-image: url('../images/taf.png');
    background-size: cover;
    background-position: center;
}

/* 第四种 */
.fade-start .product-item:nth-child(1) {
    background-image: url('../images/tfx.png');
    background-size: cover;
    background-position: center;
}

.fade-start .product-item:nth-child(2) {
    background-image: url('../images/tdb.png');
    background-size: cover;
    background-position: center;
}

.fade-start .product-item:nth-child(3) {
    background-image: url('../images/tbz.png');
    background-size: cover;
    background-position: center;
}

.fade-start .product-item:nth-child(4) {
    background-image: url('../images/twx.png');
    background-size: cover;
    background-position: center;
}

.fade-start .product-item:nth-child(5) {
    background-image: url('../images/tsj.png');
    background-size: cover;
    background-position: center;
}



.tab {
    padding: 10px 25px;
    border-radius: 30px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--gray);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.tab.active {
    background: var(--gradient);
    color: var(--light);
    border-color: transparent;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== 表格 ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    font-weight: 600;
}

.data-table td {
    color: var(--gray);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* ===== 自定义鼠标效果 ===== */
/* 隐藏默认鼠标 */
body {
    cursor: none;
}

/* 自定义鼠标 */
.custom-cursor {
    position: fixed;
    width: 30px;
    height: 30px;
    background: url('../images/icon5.png') center/contain no-repeat;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
}

.custom-cursor.cursor-hover {
    transform: translate(-50%, -50%) scale(1.3);
    filter: brightness(1.2);
}

/* 颗粒拖尾效果 */
.cursor-particle {
    position: fixed;
    width: var(--size);
    height: var(--size);
    background: radial-gradient(circle, rgba(0, 212, 255, 1) 0%, rgba(138, 43, 226, 0.8) 40%, rgba(0, 212, 255, 0.3) 70%, transparent 100%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9998;
    animation: particleTrail var(--duration) ease-out forwards;
    animation-delay: var(--delay);
    box-shadow: 
        0 0 15px rgba(0, 212, 255, 0.9),
        0 0 30px rgba(0, 212, 255, 0.6),
        0 0 45px rgba(138, 43, 226, 0.4),
        inset 0 0 5px rgba(255, 255, 255, 0.8);
}

.cursor-particle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: calc(100% * 2);
    height: calc(100% * 2);
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

@keyframes particleTrail {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
        filter: brightness(1.5);
    }
    30% {
        opacity: 0.9;
        filter: brightness(1.2);
    }
    60% {
        opacity: 0.6;
        filter: brightness(1);
    }
    100% {
        transform: translate(calc(-50% + var(--angle) * 0.8), calc(-50% + 80px)) scale(0.3);
        opacity: 0;
        filter: brightness(0.5);
    }
}

/* 点击效果 */
.click-effect {
    position: fixed;
    width: 40px;
    height: 40px;
    background: url('../images/icon5.png') center/contain no-repeat;
    filter: opacity(0.8);
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    z-index: 9997;
    animation: clickPulse 0.6s ease-out forwards;
}

@keyframes clickPulse {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.6;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--light);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--light);
    font-size: 0.95rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.bgIcon {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 400px;
    max-width: 40%;
    opacity: 0.7;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5)) 
            drop-shadow(0 0 60px rgba(0, 212, 255, 0.3))
            drop-shadow(0 0 100px rgba(0, 212, 255, 0.1));
    transition: all 0.5s ease;
}

.bgIcon:hover {
    opacity: 0.9;
    filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.7)) 
            drop-shadow(0 0 80px rgba(0, 212, 255, 0.4))
            drop-shadow(0 0 120px rgba(0, 212, 255, 0.2));
}