@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#0a0e27;--primary-mid:#141a3d;--primary-light:#1e2a5a;
  --accent:#6c5ce7;--accent-light:#a29bfe;--accent-glow:rgba(108,92,231,0.3);
  --gold:#f0c040;--gold-light:#f5d78e;
  --cyan:#00cec9;--pink:#fd79a8;
  --text:#e0e6f0;--text-light:#8892a8;--text-dark:#1a1a2e;
  --bg:#0a0e27;--card-bg:rgba(20,26,61,0.7);--card-border:rgba(108,92,231,0.2);
  --white:#fff;
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--accent-light);text-decoration:none;transition:color .3s}
a:hover{color:var(--gold)}
/* ===== 封面 ===== */
.cover{min-height:100vh;background:linear-gradient(160deg,#0a0e27 0%,#141a3d 40%,#1e2a5a 70%,#0a0e27 100%);display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative;overflow:hidden;padding:80px 40px;text-align:center}
.cover::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 80% 50% at 50% 30%,rgba(108,92,231,0.15) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 80% 70%,rgba(0,206,201,0.08) 0%,transparent 50%)}
.cover-badge{position:relative;z-index:2;background:rgba(108,92,231,0.15);border:1px solid rgba(108,92,231,0.3);color:var(--accent-light);padding:8px 28px;border-radius:30px;font-size:14px;letter-spacing:3px;margin-bottom:40px}
.cover h1{position:relative;z-index:2;font-family:'Noto Serif SC',serif;font-size:52px;font-weight:900;color:var(--white);line-height:1.3;margin-bottom:20px}
.cover h1 span{background:linear-gradient(135deg,var(--accent-light),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.cover-subtitle{position:relative;z-index:2;font-size:20px;color:var(--text-light);margin-bottom:30px;letter-spacing:2px}
.cover-divider{position:relative;z-index:2;width:60px;height:2px;background:linear-gradient(90deg,var(--accent),var(--cyan));margin-bottom:30px}
.cover-desc{position:relative;z-index:2;font-size:16px;color:rgba(255,255,255,0.6);max-width:600px;line-height:2;margin-bottom:40px}
.cover-actions{position:relative;z-index:2;display:flex;gap:16px}
.btn-primary{display:inline-block;background:linear-gradient(135deg,var(--accent),#8b7cf0);color:var(--white);padding:14px 36px;border-radius:30px;font-size:15px;font-weight:500;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow);color:var(--white)}
.btn-ghost{display:inline-block;border:1px solid rgba(255,255,255,0.2);color:rgba(255,255,255,0.7);padding:14px 36px;border-radius:30px;font-size:15px;transition:all .3s}
.btn-ghost:hover{border-color:var(--accent-light);color:var(--white);background:rgba(108,92,231,0.1)}
.btn-ghost-light{display:inline-block;border:1px solid rgba(255,255,255,0.3);color:rgba(255,255,255,0.8);padding:12px 28px;border-radius:30px;font-size:14px;transition:all .3s}
.btn-ghost-light:hover{border-color:var(--gold);color:var(--gold)}
.cover-scroll{position:absolute;bottom:30px;z-index:2;color:rgba(255,255,255,0.3);font-size:13px;cursor:pointer;text-align:center}
.scroll-arrow{width:20px;height:20px;margin:8px auto 0;border-right:2px solid rgba(255,255,255,0.3);border-bottom:2px solid rgba(255,255,255,0.3);transform:rotate(45deg);animation:scrollBounce 2s infinite}
@keyframes scrollBounce{0%,100%{transform:rotate(45deg) translate(0,0)}50%{transform:rotate(45deg) translate(4px,4px)}}
/* ===== 导航 ===== */
.nav-bar{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 40px;display:flex;align-items:center;height:64px;transition:all .3s;background:transparent}
.nav-bar.scrolled{background:rgba(10,14,39,0.95);backdrop-filter:blur(20px);box-shadow:0 2px 20px rgba(0,0,0,0.3)}
.nav-logo{font-family:'Noto Serif SC',serif;font-weight:700;font-size:18px;color:var(--white);margin-right:auto}
.nav-logo span{color:var(--accent-light);font-weight:900}
.nav-links{display:flex;gap:4px}
.nav-links a{color:var(--text-light);font-size:13px;padding:6px 14px;border-radius:20px;transition:all .3s;text-decoration:none}
.nav-links a:hover{background:rgba(108,92,231,0.15);color:var(--white)}
.nav-phone{color:var(--gold);font-size:14px;font-weight:500;margin-left:20px;white-space:nowrap}
.nav-phone:hover{color:var(--gold-light)}

/* ===== 内容区 ===== */
.content{max-width:1100px;margin:0 auto;padding:0 30px}
.chapter{padding:80px 0 40px}
.section-tag{display:inline-block;background:rgba(108,92,231,0.15);border:1px solid rgba(108,92,231,0.25);color:var(--accent-light);padding:4px 16px;border-radius:20px;font-size:12px;letter-spacing:2px;margin-bottom:16px}
.chapter h2{font-family:'Noto Serif SC',serif;font-size:34px;font-weight:700;color:var(--white);margin-bottom:12px;line-height:1.4}
.chapter-lead{font-size:16px;color:var(--text-light);margin-bottom:40px;border-left:3px solid var(--accent);padding-left:16px;max-width:700px}
.chapter p{font-size:15px;margin-bottom:18px;color:var(--text-light);line-height:1.9}
.section-divider{display:flex;align-items:center;gap:16px;margin:20px 0;color:rgba(108,92,231,0.2)}
.section-divider::before,.section-divider::after{content:'';flex:1;height:1px;background:rgba(108,92,231,0.1)}
.section-divider span{font-size:14px}
/* ===== 痛点卡片 ===== */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:30px 0}
.pain-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:28px;transition:all .3s}
.pain-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 8px 30px rgba(108,92,231,0.15)}
.pain-icon{font-size:36px;margin-bottom:12px}
.pain-card h4{font-size:16px;font-weight:600;color:var(--white);margin-bottom:8px}
.pain-card p{font-size:14px;color:var(--text-light);line-height:1.7;margin:0}

/* ===== 引用块 ===== */
.quote-block{background:rgba(108,92,231,0.08);border-left:4px solid var(--accent);border-radius:0 16px 16px 0;padding:28px 32px;margin:30px 0;position:relative}
.quote-block::before{content:'\201C';font-family:'Noto Serif SC',serif;font-size:60px;color:rgba(108,92,231,0.2);position:absolute;top:-10px;left:16px;line-height:1}
.quote-block p{font-size:16px;color:var(--text);margin:0;line-height:1.9}

/* ===== 能力卡片 ===== */
.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}
.ability-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:32px;transition:all .3s}
.ability-card:hover{border-color:var(--accent);box-shadow:0 8px 30px rgba(108,92,231,0.15)}
.ability-card.main{border-top:3px solid var(--accent)}
.ability-num{font-family:'Noto Serif SC',serif;font-size:36px;font-weight:900;color:rgba(108,92,231,0.2);margin-bottom:12px}
.ability-card h4{font-size:18px;font-weight:600;color:var(--white);margin-bottom:10px}
.ability-card p{font-size:14px;color:var(--text-light);line-height:1.8;margin:0}
/* ===== 产品卡片 ===== */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}
.product-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:20px;padding:32px;transition:all .3s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(108,92,231,0.2)}
.product-card.featured{border-color:var(--gold);background:linear-gradient(160deg,rgba(20,26,61,0.9),rgba(40,30,80,0.9))}
.product-badge{display:inline-block;background:rgba(108,92,231,0.15);color:var(--accent-light);font-size:12px;padding:3px 12px;border-radius:12px;margin-bottom:16px;align-self:flex-start}
.product-badge.gold{background:rgba(240,192,64,0.15);color:var(--gold)}
.product-icon{font-size:42px;margin-bottom:16px}
.product-card h3{font-family:'Noto Serif SC',serif;font-size:20px;color:var(--white);margin-bottom:8px}
.product-desc{font-size:14px;color:var(--text-light);margin-bottom:20px}
.product-features{list-style:none;margin-bottom:20px;flex:1}
.product-features li{font-size:13px;color:var(--text-light);padding:6px 0;padding-left:20px;position:relative;border-bottom:1px solid rgba(108,92,231,0.08)}
.product-features li::before{content:'✦';position:absolute;left:0;color:var(--accent-light);font-size:10px}
.product-scene{font-size:12px;color:var(--text-light);background:rgba(108,92,231,0.08);padding:10px 14px;border-radius:10px;margin-top:auto}

/* ===== 数智硬盘 ===== */
.disk-showcase{display:grid;grid-template-columns:1fr 1.5fr;gap:40px;margin:30px 0;align-items:center}
.disk-visual{background:linear-gradient(160deg,var(--primary-mid),var(--primary-light));border:2px solid var(--accent);border-radius:24px;padding:50px 30px;text-align:center;position:relative;overflow:hidden}
.disk-visual::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 50% 50%,rgba(108,92,231,0.1),transparent 60%)}
.disk-icon{font-size:72px;position:relative;z-index:1;margin-bottom:16px}
.disk-label{font-family:'Noto Serif SC',serif;font-size:20px;font-weight:700;color:var(--white);position:relative;z-index:1}
.disk-sublabel{font-size:14px;color:var(--accent-light);margin-top:8px;position:relative;z-index:1}
.disk-info h3{font-family:'Noto Serif SC',serif;font-size:22px;color:var(--white);margin-bottom:16px}
.disk-info p{font-size:15px;color:var(--text-light);line-height:1.9;margin-bottom:12px}
/* ===== 特性网格 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:30px 0}
.feature-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:24px;transition:all .3s}
.feature-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.feature-icon{font-size:28px;margin-bottom:10px}
.feature-card h4{font-size:15px;color:var(--white);margin-bottom:6px}
.feature-card p{font-size:13px;color:var(--text-light);line-height:1.7;margin:0}

/* ===== 高亮框 ===== */
.highlight-box{background:linear-gradient(135deg,rgba(108,92,231,0.12),rgba(0,206,201,0.08));border:1px solid rgba(108,92,231,0.25);border-radius:20px;padding:36px;margin:36px 0;position:relative}
.highlight-box h3{font-family:'Noto Serif SC',serif;font-size:18px;margin-bottom:16px;color:var(--gold)}
.highlight-list{list-style:none}
.highlight-list li{padding:8px 0;padding-left:24px;position:relative;font-size:14px;line-height:1.8;color:var(--text);border-bottom:1px solid rgba(108,92,231,0.08)}
.highlight-list li:last-child{border-bottom:none}
.highlight-list li::before{content:'◆';position:absolute;left:0;color:var(--accent-light);font-size:9px;top:12px}

/* ===== 交付模式 ===== */
.delivery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0}
.delivery-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:20px;padding:36px;transition:all .3s}
.delivery-card:hover{border-color:var(--accent);box-shadow:0 8px 30px rgba(108,92,231,0.15)}
.delivery-card.featured{border-color:var(--gold);background:linear-gradient(160deg,rgba(20,26,61,0.9),rgba(40,30,80,0.9))}
.delivery-icon{font-size:42px;margin-bottom:16px}
.delivery-card h3{font-family:'Noto Serif SC',serif;font-size:20px;color:var(--white);margin-bottom:10px}
.delivery-desc{font-size:14px;color:var(--text-light);margin-bottom:16px}
.delivery-features{list-style:none;margin-bottom:16px}
.delivery-features li{font-size:13px;color:var(--text);padding:5px 0}
.delivery-fit{font-size:12px;color:var(--accent-light);background:rgba(108,92,231,0.08);padding:10px 14px;border-radius:10px}
/* ===== 案例展示 ===== */
.case-showcase{background:linear-gradient(160deg,var(--primary-mid),var(--primary-light));border:1px solid var(--card-border);border-radius:24px;padding:48px;margin:30px 0;text-align:center;position:relative;overflow:hidden}
.case-showcase::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(108,92,231,0.12),transparent 60%)}
.case-header{position:relative;z-index:1}
.case-badge{display:inline-block;background:rgba(0,206,201,0.15);color:var(--cyan);font-size:12px;padding:4px 16px;border-radius:20px;margin-bottom:16px}
.case-showcase h3{font-family:'Noto Serif SC',serif;font-size:24px;color:var(--white);margin-bottom:10px}
.case-showcase p{font-size:15px;color:var(--text-light);margin-bottom:0}
.case-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0;position:relative;z-index:1}
.case-stat{background:rgba(108,92,231,0.1);border:1px solid rgba(108,92,231,0.2);border-radius:16px;padding:20px}
.stat-value{font-family:'Noto Serif SC',serif;font-size:28px;font-weight:900;color:var(--white)}
.stat-value span{font-size:14px;font-weight:400;color:var(--text-light);margin-left:4px}
.stat-label{font-size:13px;color:var(--text-light);margin-top:4px}
.case-actions{display:flex;gap:16px;justify-content:center;position:relative;z-index:1;margin-top:24px}

/* ===== 客户网格 ===== */
.client-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}
.client-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:28px;transition:all .3s}
.client-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 30px rgba(108,92,231,0.15)}
.client-icon{font-size:36px;margin-bottom:12px}
.client-card h4{font-size:16px;color:var(--white);margin-bottom:8px}
.client-card p{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:12px}
.client-examples{font-size:12px;color:var(--accent-light);background:rgba(108,92,231,0.08);padding:8px 12px;border-radius:8px}

/* ===== 服务流程时间线 ===== */
.flow-timeline{position:relative;margin:40px 0;padding-left:60px}
.flow-timeline::before{content:'';position:absolute;left:24px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent),var(--cyan),var(--accent))}
.flow-item{position:relative;margin-bottom:32px;display:flex;align-items:flex-start;gap:20px}
.flow-item:last-child{margin-bottom:0}
.flow-num{position:absolute;left:-60px;width:48px;height:48px;background:linear-gradient(135deg,var(--accent),#8b7cf0);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Noto Serif SC',serif;font-size:16px;font-weight:700;color:var(--white);z-index:2;box-shadow:0 4px 20px var(--accent-glow)}
.flow-content{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:24px 28px;flex:1;transition:all .3s}
.flow-content:hover{border-color:var(--accent);box-shadow:0 6px 24px rgba(108,92,231,0.12)}
.flow-content h4{font-size:17px;color:var(--white);margin-bottom:8px;font-weight:600}
.flow-content p{font-size:14px;color:var(--text-light);line-height:1.8;margin:0 0 8px}
.flow-time{display:inline-block;font-size:12px;color:var(--cyan);background:rgba(0,206,201,0.1);padding:3px 12px;border-radius:12px}

/* ===== 为什么选择我们 ===== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}
.why-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:28px;transition:all .3s;position:relative;overflow:hidden}
.why-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 30px rgba(108,92,231,0.15)}
.why-num{font-family:'Noto Serif SC',serif;font-size:48px;font-weight:900;color:rgba(108,92,231,0.1);position:absolute;top:-8px;right:12px;line-height:1}
.why-card h4{font-size:16px;color:var(--white);margin-bottom:8px;font-weight:600;position:relative;z-index:1}
.why-card p{font-size:14px;color:var(--text-light);line-height:1.7;margin:0;position:relative;z-index:1}

/* ===== 联系我们 ===== */
.contact-section{text-align:center;padding:40px 0}
.contact-section h2{font-family:'Noto Serif SC',serif;font-size:34px;font-weight:700;color:var(--white);margin-bottom:12px}
.contact-desc{font-size:16px;color:var(--text-light);margin-bottom:40px;max-width:600px;margin-left:auto;margin-right:auto}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.contact-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:28px;transition:all .3s}
.contact-card:hover{border-color:var(--accent);box-shadow:0 6px 24px rgba(108,92,231,0.12)}
.contact-icon{font-size:32px;margin-bottom:12px}
.contact-card h4{font-size:15px;color:var(--white);margin-bottom:8px}
.contact-value{font-size:16px;color:var(--accent-light);font-weight:500;margin-bottom:4px}
.contact-value a{color:var(--accent-light)}
.contact-value a:hover{color:var(--gold)}
.contact-card p{font-size:13px;color:var(--text-light);margin:0}
.contact-cta{background:linear-gradient(135deg,rgba(108,92,231,0.12),rgba(0,206,201,0.08));border:1px solid rgba(108,92,231,0.25);border-radius:20px;padding:32px;margin-top:20px}
.contact-cta p{font-size:14px;color:var(--text-light);margin-bottom:16px}
.btn-cta{display:inline-block;background:linear-gradient(135deg,var(--accent),#8b7cf0);color:var(--white);padding:16px 40px;border-radius:30px;font-size:16px;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow);color:var(--white)}

/* ===== 页脚 ===== */
.site-footer{background:rgba(10,14,39,0.95);border-top:1px solid rgba(108,92,231,0.1);padding:40px 30px;text-align:center}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-brand{font-family:'Noto Serif SC',serif;font-weight:700;font-size:20px;color:var(--white);margin-bottom:8px}
.footer-brand span{color:var(--accent-light);font-weight:900}
.site-footer p{font-size:13px;color:var(--text-light);margin-bottom:4px}

/* ===== 打印样式 ===== */
@media print{
  .nav-bar,.cover-scroll,.cover-particles,.cover-actions,.section-divider{display:none}
  body{background:#fff;color:#333}
  .cover{min-height:auto;padding:40px;background:#fff}
  .cover h1{color:#333;font-size:32px}
  .cover h1 span{-webkit-text-fill-color:#6c5ce7;color:#6c5ce7}
  .content{max-width:100%}
  .chapter{padding:30px 0;page-break-inside:avoid}
  .chapter h2{color:#333;font-size:24px}
  .pain-card,.ability-card,.product-card,.feature-card,.delivery-card,.client-card,.why-card,.contact-card,.flow-content{background:#f8f9fa;border-color:#ddd;color:#333}
  .pain-card h4,.ability-card h4,.product-card h3,.feature-card h4,.client-card h4,.why-card h4,.flow-content h4,.contact-card h4{color:#333}
  .pain-card p,.ability-card p,.product-card p,.feature-card p,.client-card p,.why-card p,.flow-content p,.contact-card p{color:#555}
  .case-showcase{background:#f0f0f5;border-color:#ddd}
  .case-showcase h3,.stat-value{color:#333}
  .btn-primary,.btn-ghost,.btn-ghost-light,.btn-cta{border:1px solid #999;color:#333;background:none}
}

/* ===== 响应式 ===== */
@media (max-width:768px){
  .nav-links{display:none}
  .nav-bar{padding:0 16px}
  .nav-phone{font-size:12px}
  .cover{padding:60px 20px;min-height:90vh}
  .cover h1{font-size:30px}
  .cover-subtitle{font-size:15px}
  .cover-desc{font-size:14px}
  .cover-actions{flex-direction:column;gap:10px}
  .btn-primary,.btn-ghost,.btn-ghost-light,.btn-cta{padding:12px 28px;font-size:14px}
  .content{padding:0 16px}
  .chapter{padding:50px 0 30px}
  .chapter h2{font-size:24px}
  .chapter-lead{font-size:14px}
  .pain-grid,.ability-grid,.product-grid,.feature-grid,.delivery-grid,.client-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .case-stats{grid-template-columns:repeat(2,1fr)}
  .case-showcase{padding:28px 20px}
  .case-showcase h3{font-size:18px}
  .case-actions{flex-direction:column;align-items:center}
  .stat-value{font-size:22px}
  .disk-showcase{grid-template-columns:1fr}
  .flow-timeline{padding-left:50px}
  .flow-num{left:-50px;width:40px;height:40px;font-size:14px}
  .highlight-box{padding:24px}
  .contact-section h2{font-size:24px}
}