:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-color: #00f3ff;
    --accent-secondary: #bd00ff;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Noto Sans SC', sans-serif;
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none; 
}

html {
    scroll-snap-type: none; 
    scroll-behavior: auto; 
    height: 100%;
}

body {
    background-color: transparent; 
    color: var(--text-color);
    font-family: var(--font-body);
    overflow-x: hidden;
    overflow-y: auto; 
    height: 100%;
    /* 隐藏滚动条但保持滚动功能 */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

/* 隐藏 WebKit 浏览器的滚动条 */
html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

/* 画布层级 */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(to bottom, #050505, #0a0a12);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0; 
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: padding 0.3s ease, background 0.3s ease;
}

.navbar.shrunk {
    padding: 10px 0;
    background: rgba(5, 5, 5, 0.95);
}

.nav-container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar.shrunk .logo {
    font-size: 1.2rem; 
}

.logo { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none; letter-spacing: 1px; transition: font-size 0.3s ease; }
.logo span { color: var(--accent-color); }
.nav-links { display: flex; list-style: none; gap: 40px; }
.nav-links a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; transition: color 0.3s; position: relative; }
.nav-links a:hover { color: #fff; }
.contact-btn { padding: 10px 25px; border: 1px solid rgba(255,255,255,0.2); color: #fff; text-decoration: none; font-size: 0.9rem; transition: all 0.3s; }
.contact-btn:hover { background: var(--accent-color); border-color: var(--accent-color); color: #000; box-shadow: 0 0 20px rgba(0, 243, 255, 0.4); }

/* 板块通用样式 */
section {
    min-height: 100vh;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center; 
    position: relative;
    padding: 100px 0;
}

/* Hero 区域 */
.hero-section {
    height: 100vh;
    padding-top: 60px;
    text-align: center; 
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
}

/* Preloader (保持不变) */
.preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 10000; display: flex; justify-content: center; align-items: center; overflow: hidden; }
.preloader-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: #000; z-index: 1; transition: opacity 1s ease; }
.preloader-content-wrapper { position: relative; z-index: 2; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; transition: transform 1.2s var(--ease-out-expo), opacity 0.8s ease; }
.preloader-logo { font-family: var(--font-display); font-size: 4rem; font-weight: 900; color: #fff; margin-bottom: 10px; letter-spacing: 8px; }
.preloader-slogan { font-size: 1rem; letter-spacing: 5px; color: var(--accent-color); margin-bottom: 40px; }
.preloader-text-line { opacity: 0; transform: translateY(40px); transition: transform 0.8s var(--ease-out-expo), opacity 0.8s var(--ease-out-expo); }
.preloader-text-line.visible { opacity: 1; transform: translateY(0); }
.preloader.explode .preloader-content-wrapper { transform: scale(20); opacity: 0; }
.preloader.explode .preloader-bg { opacity: 0; }
.preloader.finished { display: none; }

/* Hero Content */
.glitch-text { 
    font-family: var(--font-display); 
    font-size: 3.5rem; 
    font-weight: 900; 
    color: rgba(255,255,255,0.05); 
    position: absolute; 
    top: 35%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    white-space: nowrap; 
    z-index: 0; 
    pointer-events: none; 
    letter-spacing: 10px; 
    animation: glitch 3s infinite alternate;
}

@keyframes glitch {
    0% { text-shadow: 2px 0 var(--accent-color), -2px 0 var(--accent-secondary); opacity: 0.1; }
    25% { text-shadow: -2px 0 var(--accent-color), 2px 0 var(--accent-secondary); opacity: 0.05; }
    50% { text-shadow: 2px 0 var(--accent-secondary), -2px 0 var(--accent-color); opacity: 0.1; }
    100% { text-shadow: -2px 0 var(--accent-secondary), 2px 0 var(--accent-color); opacity: 0.08; }
}

.main-title { 
    font-size: 4.2rem; 
    font-weight: 900; 
    margin-bottom: 20px; 
    z-index: 1; 
    background: linear-gradient(to right, #fff, #aaa); 
    background-clip: text; 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    opacity: 0; 
    transform: translateY(50px); 
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}
.subtitle { font-size: 1.3rem; color: rgba(255,255,255,0.6); margin-bottom: 50px; z-index: 1; letter-spacing: 5px; opacity: 0; transform: translateY(30px); }
.cta-group { display: flex; gap: 20px; justify-content: center; z-index: 1; opacity: 0; transform: translateY(30px); }
.hero-animate-active .main-title { animation: fadeUp 1s var(--ease-out-expo) forwards 0.2s; }
.hero-animate-active .subtitle { animation: fadeUp 1s var(--ease-out-expo) forwards 0.4s; }
.hero-animate-active .cta-group { animation: fadeUp 1s var(--ease-out-expo) forwards 0.6s; }

/* 服务卡片 Grid (带流光) */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; width: 100%; }
.glass-card { 
    background: var(--glass-bg); 
    border: 1px solid var(--glass-border); 
    padding: 40px; 
    border-radius: 20px; 
    position: relative; 
    overflow: hidden; 
    backdrop-filter: blur(5px); 
    transition: transform 0.3s ease; 
}
.card-icon { font-size: 3rem; margin-bottom: 20px; }
.glass-card h3 { font-size: 1.5rem; margin-bottom: 15px; color: #fff; }
.glass-card p { color: #aaa; line-height: 1.6; font-size: 0.95rem; }
.card-shine { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.06), transparent 50%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.glass-card:hover .card-shine { opacity: 1; }

/* 边框流光特效 */
.card-border-glow {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 20px;
    padding: 2px; /* 边框宽度 */
    background: linear-gradient(45deg, transparent, var(--accent-color), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.3;
    transition: opacity 0.3s;
}
.glass-card:hover .card-border-glow { opacity: 1; }

/* 跑马灯 */
.marquee-container { background: var(--accent-color); padding: 20px 0; overflow: hidden; transform: rotate(-2deg) scale(1.05); width: 110%; margin-left: -5%; box-shadow: 0 0 30px var(--accent-color); position: relative; z-index: 2;}
.marquee-content { white-space: nowrap; color: #000; font-family: var(--font-display); font-weight: 900; font-size: 1.5rem; animation: marquee 20s linear infinite; text-shadow: 0 0 5px rgba(255,255,255,0.5); }

/* 关于我们 */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; width: 100%;}
.about-text h2 { font-size: 2.6rem; line-height: 1.2; margin-bottom: 30px; }
.keyword-highlight {
    color: #ff5c8d;
    font-weight: 900;
    letter-spacing: 4px;
    display: inline-block;
    position: relative;
    text-shadow: 0 0 15px rgba(255, 92, 141, 0.4);
}
.keyword-highlight::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 12px;
    background: linear-gradient(90deg, rgba(255,92,141,0.3), rgba(255,92,141,0));
    z-index: -1;
    border-radius: 6px;
}
.about-text p { color: #bbb; margin-bottom: 20px; line-height: 1.8; }
.stats { display: flex; gap: 50px; margin-top: 40px; }
.stat-item .counter { font-family: var(--font-display); font-size: 3rem; font-weight: bold; color: #fff; text-shadow: 0 0 10px var(--accent-color); }

/* 案例展示 */
.case-section { padding-top: 140px; padding-bottom: 140px; }
.case-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; align-items: center; width: 100%; }
.case-info .tag { font-size: 0.85rem; letter-spacing: 4px; color: var(--accent-color); margin-bottom: 20px; display: inline-block; }
.case-info h2 { font-size: 2.6rem; margin-bottom: 20px; }
.case-lead { color: #a0a0a0; line-height: 1.8; margin-bottom: 40px; max-width: 520px; }
.case-feature-list { list-style: none; display: flex; flex-direction: column; gap: 18px; margin-bottom: 40px; padding: 0; }
.case-feature-list li { list-style: none; }
.case-feature { 
    display: block;
    width: 100%;
    background: rgba(255,255,255,0.03); 
    border: 1px solid rgba(255,255,255,0.1); 
    padding: 20px 24px; 
    border-radius: 16px; 
    transition: all 0.4s var(--ease-out-expo); 
    position: relative; 
    overflow: hidden; 
    text-align: left;
    font: inherit;
    color: inherit;
    cursor: pointer;
    outline: none;
}
.case-feature::before { content: ''; position: absolute; top: 0; left: 0; width: 6px; height: 100%; background: transparent; transition: background 0.3s; }
.case-feature:hover, .case-feature.active { border-color: rgba(0,243,255,0.5); background: rgba(0,243,255,0.08); transform: translateX(6px); }
.case-feature:hover::before, .case-feature.active::before { background: var(--accent-color); }
.case-feature:focus-visible { box-shadow: 0 0 0 2px rgba(0,243,255,0.5); }
.feature-title { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 1px; color: #fff; display: block; margin-bottom: 8px; }
.case-feature p { color: #aaa; line-height: 1.6; margin: 0; }
.case-cta { padding: 15px 38px; border-color: rgba(255,255,255,0.3); }
.case-visual { width: 100%; display: flex; justify-content: center; }
.case-image-frame { width: 100%; background: linear-gradient(135deg, rgba(0,243,255,0.2), rgba(189,0,255,0.1)); border-radius: 30px; padding: 28px; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 20px 60px rgba(0,0,0,0.5); position: relative; overflow: hidden; min-height: 640px; }
.case-image-frame::after { content: ''; position: absolute; inset: 15px; border: 1px solid rgba(255,255,255,0.05); border-radius: 24px; pointer-events: none; z-index: 1; }
.case-image-frame img { width: 100%; height: 100%; border-radius: 24px; display: block; object-fit: cover; transition: opacity 0.4s ease; }
.case-image-frame img.case-image-updating { opacity: 0.35; }
.case-image-info { position: absolute; left: 34px; right: 34px; bottom: 34px; padding: 16px 18px; background: rgba(5,5,10,0.78); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; backdrop-filter: blur(10px); z-index: 2; }
.case-info-label { font-size: 0.65rem; letter-spacing: 4px; color: var(--accent-color); margin-bottom: 6px; display: inline-block; }
.case-image-info h3 { font-size: 1.2rem; margin-bottom: 6px; }
.case-image-info p { color: #cfcfcf; line-height: 1.5; margin: 0; font-size: 0.85rem; }

/* 图片轮播卡片 */
.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.slide-card {
    position: absolute;
    width: 80%;
    height: 100%;
    background: #222;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transition: all 0.8s var(--ease-out-expo);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.slide-card.active { transform: translateZ(0) translateY(0) scale(1); opacity: 1; z-index: 3; border-color: var(--accent-color); box-shadow: 0 0 30px rgba(0, 243, 255, 0.2); }
.slide-card.next { transform: translateZ(-100px) translateY(50px) scale(0.9); opacity: 0.4; z-index: 2; }
.slide-card.prev { transform: translateZ(-100px) translateY(-50px) scale(0.9); opacity: 0; z-index: 1; }
.slide-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }

/* 联系部分 (新布局) */
.contact-wrapper-new {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    width: 100%;
}

/* 左侧联系信息卡 */
.contact-info-panel {
    padding: 20px;
}
.contact-info-panel h2 { font-family: var(--font-display); font-size: 2.6rem; margin-bottom: 10px; color: #fff; }
.contact-desc { color: #888; margin-bottom: 40px; font-size: 1.1rem; }
.contact-methods { display: flex; flex-direction: column; gap: 30px; }
.method-item { display: flex; align-items: center; gap: 20px; }
.icon-box { 
    width: 60px; height: 60px; 
    background: rgba(255,255,255,0.05); 
    border-radius: 50%; 
    display: flex; justify-content: center; align-items: center; 
    font-size: 1.5rem; 
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}
.method-item:hover .icon-box { background: var(--accent-color); color: #000; box-shadow: 0 0 20px var(--accent-color); }
.info-text { display: flex; flex-direction: column; }
.info-text .label { font-size: 0.8rem; color: #666; text-transform: uppercase; letter-spacing: 1px; }
.info-text .value { 
    font-size: 1.5rem; 
    color: #fff; 
    font-weight: 700; 
    text-decoration: none; 
    transition: color 0.3s; 
    font-family: var(--font-display); 
    letter-spacing: 1px;
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
}
.info-text .value:hover { color: var(--accent-color); }
.info-text .value:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 4px; }
.copy-trigger.copied { color: var(--accent-color); }
.copy-trigger.copied::after {
    content: attr(data-copied-text);
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin-left: 12px;
    color: var(--accent-color);
}

/* 右侧表单 */
.contact-box { background: linear-gradient(135deg, #111, #0a0a0a); padding: 50px; border: 1px solid #333; width: 100%; border-radius: 20px; position: relative; overflow: hidden; }
.contact-box::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px; background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary)); }
.contact-header h3 { font-size: 2rem; margin-bottom: 30px; }

.glitch-form { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.full-width { grid-column: span 2; }
.input-group { position: relative; margin-bottom: 10px; }
.input-group input, .input-group textarea { width: 100%; padding: 15px 0; background: transparent; border: none; border-bottom: 1px solid #444; color: #fff; font-size: 1.1rem; outline: none; transition: border-color 0.3s; }
.input-group label { position: absolute; top: 15px; left: 0; color: #777; pointer-events: none; transition: 0.3s; }
.input-group input:focus ~ label, .input-group input:valid ~ label, .input-group textarea:focus ~ label, .input-group textarea:valid ~ label { top: -10px; font-size: 0.8rem; color: var(--accent-color); }
.input-group .line { position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent-color); transition: 0.4s; }
.input-group input:focus ~ .line, .input-group textarea:focus ~ .line { width: 100%; }
.submit-btn { grid-column: span 2; padding: 20px; background: #fff; border: none; font-weight: 900; letter-spacing: 2px; cursor: pointer; transition: 0.3s; display: flex; justify-content: space-between; align-items: center; margin-top: 10px; font-family: var(--font-display); }
.submit-btn:hover { background: var(--accent-color); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,243,255,0.3); }

/* Footer */
footer { padding: 40px 0; background: #050505; border-top: 1px solid #222; text-align: center; color: #555; width: 100%; }
.footer-content { display: flex; flex-direction: column; justify-content: center; align-items: center; width: 90%; max-width: 1000px; margin: 0 auto; gap: 14px; }
.footer-logo { font-family: var(--font-display); font-size: 1.2rem; color: #fff; letter-spacing: 2px; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; }
.footer-sep { color: rgba(255,255,255,0.25); }
.beian-link { color: #777; font-size: 0.9rem; letter-spacing: 1px; text-decoration: none; transition: color 0.2s ease, text-decoration-color 0.2s ease; text-decoration-color: transparent; }
.beian-link:hover { color: var(--accent-color); text-decoration: underline; text-decoration-color: rgba(0,243,255,0.6); }
.beian-link:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 4px; border-radius: 6px; }
.copyright { color: #777; font-size: 0.9rem; letter-spacing: 1px; }

/* 鼠标 */
.cursor-dot, .cursor-outline { position: fixed; z-index: 9999; pointer-events: none; }
.cursor-dot { width: 8px; height: 8px; background-color: var(--accent-color); border-radius: 50%; box-shadow: 0 0 10px var(--accent-color); }
.cursor-outline { width: 40px; height: 40px; border: 1px solid var(--accent-color); border-radius: 50%; transition: transform 0.1s var(--ease-out-expo), width 0.2s, height 0.2s; opacity: 0.5; }

/* 辅助类 */
.btn-primary { padding: 15px 40px; border: 1px solid var(--accent-color); color: var(--accent-color); text-decoration: none; font-weight: bold; position: relative; overflow: hidden; transition: all 0.3s; display: inline-block; }
.btn-primary:hover { background: var(--accent-color); color: #000; box-shadow: 0 0 30px var(--accent-color); }
.btn-secondary { padding: 15px 40px; color: #fff; text-decoration: none; border: 1px solid rgba(255,255,255,0.2); transition: all 0.3s; display: inline-block; }
.btn-secondary:hover { background: #fff; color: #000; }
.scroll-down { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 0.8rem; letter-spacing: 3px; opacity: 0.5; }
.scroll-down .arrow { width: 1px; height: 50px; background: linear-gradient(to bottom, #fff, transparent); }

@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }
@keyframes rotate { 100% { transform: rotate(360deg); } }

/* 响应式 */
@media (max-width: 768px) {
    body { font-size: 0.95rem; }
    section { min-height: auto; padding: 80px 0; }
    .hero-section { padding-top: 100px; height: auto; }
    .main-title { font-size: 2.3rem; line-height: 1.2; }
    .glitch-text { font-size: 1.6rem; top: 25%; letter-spacing: 6px; }
    .subtitle { font-size: 1rem; letter-spacing: 2px; }
    .cta-group { flex-direction: column; width: 100%; }
    .cta-group a { width: 100%; text-align: center; }
    .cards-grid { grid-template-columns: 1fr; }
    .glass-card { padding: 28px; }
    .marquee-container { transform: none; width: 100%; margin-left: 0; }
    .about-grid, .glitch-form, .contact-wrapper-new { grid-template-columns: 1fr; }
    .glitch-form { grid-template-columns: 1fr; }
    .full-width { grid-column: span 1; }
    .stats { flex-direction: column; gap: 30px; }
    .slider-container { height: 320px; }
    .case-grid { grid-template-columns: 1fr; gap: 40px; }
    .case-feature { padding: 16px 18px; font-size: 0.95rem; }
    .case-feature p { font-size: 0.85rem; }
    .case-image-frame { padding: 14px; border-radius: 20px; min-height: 500px; }
    .case-image-frame::after { inset: 10px; border-radius: 16px; }
    .case-image-info { left: 20px; right: 20px; bottom: 20px; padding: 14px 16px; }
    .case-image-info h3 { font-size: 1.1rem; }
    .case-image-info p { font-size: 0.8rem; }
    .contact-info-panel, .contact-box { padding: 30px 24px; }
    .contact-methods { gap: 20px; }
    .nav-links { display: none; }
    .cursor-dot, .cursor-outline { display: none; }
    * { cursor: auto; }
    .container { width: 92%; }
    .footer-content { flex-direction: column; text-align: center; }
}