/* ==========================================================
   帮获客网络科技 · 企业营销官网 CMS  前台样式表
   视觉风格与参考站保持一致：深空底色 + 紫蓝粉霓虹渐变
   ========================================================== */

/* ===== 基础重置与变量 ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-deep:#070714;
  --bg-card:rgba(20,18,45,0.6);
  --neon-purple:#a855f7;
  --neon-blue:#3b82f6;
  --neon-pink:#ec4899;
  --neon-cyan:#06b6d4;
  --text-primary:#f0f0ff;
  --text-secondary:#a0a0c0;
  --text-muted:#6b6b8a;
  --gradient-main:linear-gradient(135deg,#a855f7 0%,#3b82f6 50%,#ec4899 100%);
  --gradient-glow:radial-gradient(ellipse at 50% 0%,rgba(168,85,247,0.15) 0%,transparent 60%);
  --nav-h:70px;
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg-deep);
  color:var(--text-primary);
  line-height:1.7;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
/* ===== 全局背景装饰 ===== */
body::before{
  content:'';position:fixed;top:0;left:0;width:100%;height:100%;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%,rgba(168,85,247,0.12),transparent),
    radial-gradient(ellipse 60% 40% at 80% 20%,rgba(59,130,246,0.1),transparent),
    radial-gradient(ellipse 50% 60% at 50% 100%,rgba(236,72,153,0.08),transparent);
  z-index:-1;pointer-events:none;
}
.grid-overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background-image:
    linear-gradient(rgba(168,85,247,0.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(168,85,247,0.03) 1px,transparent 1px);
  background-size:60px 60px;
  z-index:-1;pointer-events:none;
}
/* ===== 导航栏 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(7,7,20,0.85);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(168,85,247,0.15);
  padding:0 40px;
}
.nav-inner{
  max-width:1400px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:var(--nav-h);
}
.nav-logo{
  font-size:20px;font-weight:900;
  background:var(--gradient-main);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  display:flex;align-items:center;gap:10px;
}
.nav-logo .logo-icon{
  width:36px;height:36px;border-radius:8px;
  background:var(--gradient-main);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;font-weight:900;
  -webkit-text-fill-color:#fff;flex:0 0 auto;
}
.nav-logo img{height:38px;width:auto;border-radius:8px}
.nav-links{display:flex;gap:32px}
.nav-links a{
  font-size:14px;color:var(--text-secondary);
  transition:color 0.3s;position:relative;
}
.nav-links a:hover,.nav-links a.on{color:var(--text-primary)}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--gradient-main);transition:width 0.3s;
}
.nav-links a:hover::after,.nav-links a.on::after{width:100%}
.nav-cta{
  padding:10px 24px;border-radius:8px;
  background:var(--gradient-main);
  color:#fff;font-size:14px;font-weight:700;
  border:none;cursor:pointer;white-space:nowrap;
  transition:transform 0.3s,box-shadow 0.3s;
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(168,85,247,0.4);
}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:10px;
  border:1px solid rgba(168,85,247,0.3);border-radius:8px;
  background:rgba(168,85,247,0.1);cursor:pointer;
  position:relative;flex:0 0 auto;
}
.nav-toggle span{
  position:absolute;left:11px;width:20px;height:2px;border-radius:2px;
  background:var(--text-primary);transition:all 0.3s;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle.active span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){top:20px;transform:rotate(-45deg)}
/* 移动端抽屉菜单 */
.m-nav{
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:999;
  background:rgba(7,7,20,0.97);backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(168,85,247,0.2);
  transform:translateY(-120%);transition:transform 0.35s;padding:10px 24px 24px;
}
.m-nav.open{transform:translateY(0)}
.m-nav a{
  display:block;padding:14px 4px;font-size:15px;color:var(--text-secondary);
  border-bottom:1px solid rgba(168,85,247,0.08);
}
.m-nav a:last-child{border-bottom:none}
.m-nav .m-call{
  margin-top:14px;text-align:center;border-radius:10px;
  background:var(--gradient-main);color:#fff;font-weight:700;border:none;
}

/* ===== Hero 首屏 ===== */
.hero{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  padding:120px 40px 80px;
  position:relative;overflow:hidden;
}
/* Banner 轮播（后台上传横版大图） */
.hero-banner{position:absolute;inset:0;z-index:0}
.hero-banner .slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1s ease;
  background-size:cover;background-position:center;
}
.hero-banner .slide.on{opacity:1}
.hero-banner::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,7,20,0.78) 0%,rgba(7,7,20,0.6) 45%,rgba(7,7,20,0.92) 100%);
}
.hero-dots{
  position:absolute;bottom:34px;left:0;right:0;z-index:3;
  display:flex;gap:10px;justify-content:center;
}
.hero-dots i{
  width:26px;height:4px;border-radius:4px;cursor:pointer;
  background:rgba(240,240,255,0.25);transition:all 0.3s;
}
.hero-dots i.on{background:var(--neon-purple);width:40px}
.hero-content{max-width:900px;z-index:2;position:relative}
.hero-badge{
  display:inline-block;
  padding:8px 20px;border-radius:100px;
  background:rgba(168,85,247,0.15);
  border:1px solid rgba(168,85,247,0.3);
  font-size:13px;color:var(--neon-purple);
  margin-bottom:32px;letter-spacing:2px;
}
.hero h1{
  font-size:64px;font-weight:900;
  line-height:1.2;
  margin-bottom:24px;
}
.hero h1 .gradient-text{
  background:var(--gradient-main);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  font-size:20px;color:var(--text-secondary);
  margin-bottom:16px;line-height:1.8;
}
.hero-tagline{
  font-size:16px;color:var(--text-muted);
  margin-bottom:48px;
}
.hero-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
/* Banner 自定义按钮（后台上传Banner时填写链接与按钮文字时显示） */
.hero-cap{margin-bottom:22px}
.btn-cap{
  display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:100px;
  font-size:13.5px;font-weight:700;color:var(--neon-purple);
  background:rgba(168,85,247,0.12);border:1px solid rgba(168,85,247,0.35);
  transition:all .3s;
}
.btn-cap:hover{background:rgba(168,85,247,0.22);color:#fff}
.btn-primary{
  display:inline-block;padding:16px 40px;border-radius:12px;
  background:var(--gradient-main);
  color:#fff;font-size:16px;font-weight:700;
  border:none;cursor:pointer;
  transition:transform 0.3s,box-shadow 0.3s;
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 40px rgba(168,85,247,0.5);
}
.btn-secondary{
  display:inline-block;padding:16px 40px;border-radius:12px;
  background:transparent;
  color:var(--text-primary);font-size:16px;font-weight:500;
  border:1px solid rgba(168,85,247,0.4);cursor:pointer;
  transition:all 0.3s;
}
.btn-secondary:hover{
  background:rgba(168,85,247,0.1);
  border-color:var(--neon-purple);
}
.hero-stats{
  display:flex;gap:60px;justify-content:center;
  margin-top:80px;
  flex-wrap:wrap;
}
.stat-item{text-align:center}
.stat-number{
  font-size:36px;font-weight:900;
  background:var(--gradient-main);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-label{font-size:14px;color:var(--text-muted);margin-top:4px}

/* ===== 通用 Section ===== */
.section{
  padding:100px 40px;
  max-width:1400px;margin:0 auto;
}
.section-header{text-align:center;margin-bottom:64px}
.section-tag{
  display:inline-block;
  font-size:13px;letter-spacing:3px;
  color:var(--neon-purple);
  text-transform:uppercase;
  margin-bottom:16px;
}
.section-title{
  font-size:42px;font-weight:900;
  margin-bottom:16px;
}
.section-desc{
  font-size:16px;color:var(--text-secondary);
  max-width:600px;margin:0 auto;
}

/* ===== 核心功能卡片 ===== */
.features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.feature-card{
  background:var(--bg-card);
  border:1px solid rgba(168,85,247,0.15);
  border-radius:16px;
  padding:36px 28px;
  transition:all 0.4s;
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:3px;
  background:var(--gradient-main);
  transform:scaleX(0);transform-origin:left;
  transition:transform 0.4s;
}
.feature-card:hover::before{transform:scaleX(1)}
.feature-card:hover{
  border-color:rgba(168,85,247,0.4);
  transform:translateY(-4px);
  box-shadow:0 20px 60px rgba(168,85,247,0.15);
}
.feature-icon{
  width:56px;height:56px;border-radius:14px;
  background:rgba(168,85,247,0.15);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:24px;font-size:24px;
}
.feature-card h3{
  font-size:18px;font-weight:700;
  margin-bottom:12px;
}
.feature-card p{
  font-size:14px;color:var(--text-secondary);
  line-height:1.7;
}

/* ===== AI特色功能 ===== */
.ai-features{
  background:rgba(10,10,30,0.5);
  border-radius:24px;
  padding:60px 40px;
  border:1px solid rgba(59,130,246,0.1);
}
.ai-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:48px;
}
.ai-card{
  background:rgba(20,25,60,0.5);
  border:1px solid rgba(59,130,246,0.15);
  border-radius:14px;
  padding:28px;
  transition:all 0.3s;
}
.ai-card:hover{
  border-color:rgba(59,130,246,0.4);
  box-shadow:0 10px 40px rgba(59,130,246,0.15);
}
.ai-card h4{
  font-size:16px;font-weight:700;
  margin-bottom:10px;
  color:var(--neon-blue);
}
.ai-card p{font-size:14px;color:var(--text-secondary)}

/* ===== 产品优势 ===== */
.advantages-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}
.advantage-item{
  text-align:center;
  padding:32px 20px;
  background:var(--bg-card);
  border-radius:14px;
  border:1px solid rgba(236,72,153,0.1);
  transition:all 0.3s;
}
.advantage-item:hover{
  border-color:rgba(236,72,153,0.3);
  transform:translateY(-3px);
}
.advantage-icon{
  font-size:28px;margin-bottom:16px;
}
.advantage-item h4{font-size:15px;font-weight:700;margin-bottom:8px}
.advantage-item p{font-size:13px;color:var(--text-muted)}

/* ===== 适用人群 ===== */
.audience-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}
.audience-card{
  padding:32px 24px;
  background:var(--bg-card);
  border-radius:14px;
  border:1px solid rgba(168,85,247,0.1);
  text-align:center;
  transition:all 0.3s;
}
.audience-card:hover{
  border-color:rgba(168,85,247,0.35);
  transform:translateY(-3px);
}
.audience-card .emoji{font-size:32px;margin-bottom:16px}
.audience-card h4{font-size:16px;font-weight:700;margin-bottom:8px}
.audience-card p{font-size:13px;color:var(--text-muted)}

/* ===== 招商合作 ===== */
.partner-section{
  background:linear-gradient(135deg,rgba(168,85,247,0.08),rgba(236,72,153,0.08));
  border:1px solid rgba(168,85,247,0.2);
  border-radius:24px;
  padding:60px 40px;
}
.partner-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  margin-top:40px;
}
.partner-card{
  background:rgba(15,15,40,0.6);
  border-radius:16px;
  padding:36px;
  border:1px solid rgba(168,85,247,0.15);
}
.partner-card h3{
  font-size:20px;font-weight:700;
  margin-bottom:16px;
  display:flex;align-items:center;gap:12px;
}
.partner-card p{font-size:15px;color:var(--text-secondary);margin-bottom:12px}
.partner-card ul li{
  font-size:14px;color:var(--text-secondary);
  padding:6px 0;
  display:flex;align-items:center;gap:8px;
}
.partner-card ul li::before{
  content:'✓';color:var(--neon-purple);font-weight:700;
}
.partner-cta{text-align:center;margin-top:40px}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--bg-card);
  border:1px solid rgba(168,85,247,0.12);
  border-radius:12px;
  margin-bottom:16px;
  overflow:hidden;
}
.faq-question{
  padding:20px 24px;
  font-size:16px;font-weight:600;
  cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  gap:12px;transition:background 0.3s;
}
.faq-question:hover{background:rgba(168,85,247,0.05)}
.faq-question .arrow{
  transition:transform 0.3s;
  font-size:14px;color:var(--neon-purple);flex:0 0 auto;
}
.faq-item.active .arrow{transform:rotate(180deg)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height 0.4s ease;
}
.faq-item.active .faq-answer{max-height:900px}
.faq-answer-inner{
  padding:0 24px 20px;
  font-size:14px;color:var(--text-secondary);
  line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{
  text-align:center;
  padding:100px 40px;
  background:var(--gradient-glow);
}
.cta-section h2{
  font-size:42px;font-weight:900;
  margin-bottom:20px;
}
.cta-section p{
  font-size:18px;color:var(--text-secondary);
  margin-bottom:40px;
}

/* ===== 底部 ===== */
.footer{
  border-top:1px solid rgba(168,85,247,0.1);
  padding:56px 40px 40px;
  text-align:center;
}
.footer p{font-size:14px;color:var(--text-muted)}
.footer .footer-slogan{
  font-size:18px;font-weight:700;
  background:var(--gradient-main);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  margin-bottom:8px;
}
.footer .company-name{
  font-size:15px;
  color:var(--text-secondary);
  margin-bottom:8px;
  margin-top:20px;
}
.footer .beian{margin-top:8px}
.footer .beian a{color:var(--text-muted);transition:color 0.3s}
.footer .beian a:hover{color:var(--neon-purple)}
.footer-links{
  display:flex;gap:10px 22px;justify-content:center;flex-wrap:wrap;
  margin-top:22px;padding-top:22px;border-top:1px solid rgba(168,85,247,0.08);
}
.footer-links a{font-size:13px;color:var(--text-muted);transition:color 0.3s}
.footer-links a:hover{color:var(--neon-purple)}

/* ===========================================================
   以下为 CMS 扩展模块：手机展示 / 新闻 / 联系二维码 / 悬浮联系条
   =========================================================== */

/* ===== AI营销手机产品展示 ===== */
.phone-showcase{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.phone-visual{position:relative;display:flex;justify-content:center;padding:20px 0}
.phone-frame{
  width:270px;height:545px;border-radius:38px;position:relative;
  background:linear-gradient(160deg,#1a1836,#0d0c20);
  border:2px solid rgba(168,85,247,0.35);
  box-shadow:0 0 60px rgba(168,85,247,0.28),inset 0 0 30px rgba(0,0,0,0.6);
  overflow:hidden;
}
.phone-frame::before{
  content:'';position:absolute;top:12px;left:50%;transform:translateX(-50%);
  width:90px;height:20px;border-radius:12px;background:#070714;
  border:1px solid rgba(168,85,247,0.2);z-index:3;
}
.phone-screen{
  position:absolute;inset:10px;border-radius:30px;overflow:hidden;
  background:radial-gradient(circle at 50% 0%,rgba(168,85,247,0.22),transparent 60%),#0b0a1c;
  display:flex;flex-direction:column;padding:52px 18px 18px;
}
.phone-screen .ps-title{
  font-size:15px;font-weight:800;margin-bottom:4px;
  background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.phone-screen .ps-sub{font-size:10px;color:var(--text-muted);margin-bottom:16px}
.phone-screen .ps-row{
  display:flex;align-items:center;gap:10px;padding:9px 11px;margin-bottom:8px;
  background:rgba(168,85,247,0.08);border:1px solid rgba(168,85,247,0.16);
  border-radius:10px;font-size:11px;color:var(--text-secondary);line-height:1.4;
}
.phone-screen .ps-row span{font-size:14px}
.phone-screen .ps-bar{
  margin-top:auto;height:34px;border-radius:10px;background:var(--gradient-main);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;
}
.phone-tags{position:absolute;inset:0;pointer-events:none}
.phone-tag{
  position:absolute;padding:8px 14px;border-radius:100px;font-size:12px;
  background:rgba(20,18,45,0.9);border:1px solid rgba(168,85,247,0.35);
  color:var(--text-primary);white-space:nowrap;backdrop-filter:blur(6px);
  animation:floatTag 4s ease-in-out infinite;
}
.phone-tag.t1{top:12%;left:0;animation-delay:0s}
.phone-tag.t2{top:34%;right:-6px;animation-delay:1s}
.phone-tag.t3{bottom:26%;left:-10px;animation-delay:2s}
.phone-tag.t4{bottom:8%;right:2%;animation-delay:1.5s}
.blackbox:hover .phone-frame{border-color:var(--neon-purple)}
.phone-frame{transition:border-color .4s}
@keyframes floatTag{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}
.phone-info .section-tag{margin-bottom:14px}
.phone-info h2{font-size:38px;font-weight:900;line-height:1.3;margin-bottom:20px}
.phone-info h2 .gradient-text{
  background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.phone-info>p{font-size:16px;color:var(--text-secondary);margin-bottom:28px}
.phone-spec{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:34px}
.spec-item{
  padding:16px 18px;border-radius:12px;background:var(--bg-card);
  border:1px solid rgba(168,85,247,0.15);
}
.spec-item b{display:block;font-size:15px;color:var(--neon-purple);margin-bottom:4px}
.spec-item span{font-size:13px;color:var(--text-secondary)}

/* ===== 新闻资讯卡片 ===== */
.news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.news-card{
  background:var(--bg-card);border:1px solid rgba(168,85,247,0.14);
  border-radius:16px;overflow:hidden;transition:all 0.35s;
  display:flex;flex-direction:column;
}
.news-card:hover{
  border-color:rgba(168,85,247,0.4);transform:translateY(-4px);
  box-shadow:0 20px 60px rgba(168,85,247,0.15);
}
.news-thumb{
  height:180px;background:rgba(168,85,247,0.08);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  font-size:34px;color:rgba(168,85,247,0.5);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-meta{
  display:flex;align-items:center;gap:12px;font-size:12px;
  color:var(--text-muted);margin-bottom:12px;
}
.news-meta .cat{
  padding:3px 10px;border-radius:100px;color:var(--neon-purple);
  background:rgba(168,85,247,0.12);border:1px solid rgba(168,85,247,0.25);
}
.news-card h3{
  font-size:17px;font-weight:700;line-height:1.5;margin-bottom:12px;
  transition:color 0.3s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover h3{color:var(--neon-purple)}
.news-card p{
  font-size:13px;color:var(--text-secondary);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{
  margin-top:16px;font-size:13px;color:var(--neon-purple);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.section-foot{text-align:center;margin-top:48px}

/* 列表页：新闻条目 */
.news-list{display:flex;flex-direction:column;gap:20px;max-width:960px;margin:0 auto}
.news-row{
  display:grid;grid-template-columns:220px 1fr;gap:24px;
  background:var(--bg-card);border:1px solid rgba(168,85,247,0.14);
  border-radius:14px;padding:20px;transition:all 0.3s;
}
.news-row:hover{border-color:rgba(168,85,247,0.4);transform:translateY(-2px)}
.news-row .news-thumb{height:140px;border-radius:10px}
.news-row h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.5}
.news-row:hover h3{color:var(--neon-purple)}
.news-row p{font-size:14px;color:var(--text-secondary);margin-bottom:12px}

/* 文章详情 */
.article-wrap{max-width:900px;margin:0 auto}
.article-head{text-align:center;margin-bottom:36px}
.article-head h1{font-size:34px;font-weight:900;line-height:1.4;margin:14px 0}
.article-meta{
  display:flex;gap:18px;justify-content:center;flex-wrap:wrap;
  font-size:13px;color:var(--text-muted);
}
.article-content{
  font-size:16px;color:#c8c8e0;line-height:2;
  background:rgba(15,15,40,0.42);border:1px solid rgba(168,85,247,0.12);
  border-radius:16px;padding:40px;
}
.article-content h2{
  font-size:22px;color:var(--text-primary);font-weight:800;
  margin:32px 0 14px;padding-left:14px;position:relative;
}
.article-content h2::before{
  content:'';position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;
  background:var(--gradient-main);
}
.article-content h2:first-child{margin-top:0}
.article-content h3{font-size:18px;color:var(--text-primary);margin:24px 0 12px;font-weight:700}
.article-content p{margin-bottom:16px}
.article-content ul,.article-content ol{margin:0 0 18px 22px}
.article-content ul li{list-style:disc;margin-bottom:8px}
.article-content ol li{list-style:decimal;margin-bottom:8px}
.article-content img{border-radius:12px;margin:18px auto}
.article-content table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;
  border:1px solid rgba(168,85,247,0.2);border-radius:10px;overflow:hidden;
}
.article-content th,.article-content td{
  padding:12px 16px;border-bottom:1px solid rgba(168,85,247,0.14);text-align:left;
}
.article-content th{background:rgba(168,85,247,0.14);color:var(--text-primary);font-weight:700}
.article-content tr:last-child td{border-bottom:none}
.article-content a{color:var(--neon-purple);text-decoration:underline;text-underline-offset:3px}
.article-content strong{color:var(--text-primary)}
.article-content blockquote{
  border-left:3px solid var(--neon-purple);background:rgba(168,85,247,0.07);
  padding:14px 20px;border-radius:0 10px 10px 0;margin:18px 0;color:var(--text-secondary);
}
.article-cta{
  margin-top:36px;padding:28px;border-radius:16px;text-align:center;
  background:linear-gradient(135deg,rgba(168,85,247,0.12),rgba(236,72,153,0.1));
  border:1px solid rgba(168,85,247,0.25);
}
.article-cta h4{font-size:18px;font-weight:800;margin-bottom:10px}
.article-cta p{font-size:14px;color:var(--text-secondary);margin-bottom:18px}
.article-nav{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:28px;font-size:14px;
}
.article-nav a{color:var(--text-secondary);transition:color .3s;max-width:48%}
.article-nav a:hover{color:var(--neon-purple)}

/* 面包屑 */
.breadcrumb{
  max-width:1400px;margin:0 auto;padding:calc(var(--nav-h) + 28px) 40px 0;
  font-size:13px;color:var(--text-muted);
}
.breadcrumb a{color:var(--text-muted);transition:color .3s}
.breadcrumb a:hover{color:var(--neon-purple)}
.breadcrumb .sep{margin:0 8px;opacity:.6}
.breadcrumb .cur{color:var(--text-secondary)}

/* 内页头部 */
.page-head{
  text-align:center;padding:26px 40px 10px;max-width:1400px;margin:0 auto;
}
.page-head h1{
  font-size:40px;font-weight:900;margin-bottom:14px;
}
.page-head h1 .gradient-text{
  background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.page-head p{font-size:15px;color:var(--text-secondary);max-width:640px;margin:0 auto}

/* 分类筛选 */
.cat-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:30px 0 10px}
.cat-bar a{
  padding:8px 20px;border-radius:100px;font-size:13px;color:var(--text-secondary);
  border:1px solid rgba(168,85,247,0.2);background:rgba(168,85,247,0.06);transition:all .3s;
}
.cat-bar a:hover,.cat-bar a.on{color:#fff;background:var(--gradient-main);border-color:transparent}

/* 分页 */
.pager{display:flex;gap:10px;justify-content:center;align-items:center;margin-top:48px;flex-wrap:wrap}
.pager .pg{
  min-width:40px;height:40px;padding:0 14px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-secondary);background:var(--bg-card);
  border:1px solid rgba(168,85,247,0.18);transition:all .3s;
}
.pager .pg:hover{color:#fff;border-color:var(--neon-purple)}
.pager .pg-active{background:var(--gradient-main);color:#fff;border-color:transparent;font-weight:700}
.pager .pg-dot{color:var(--text-muted)}

/* ===== 联系我们 / 二维码 ===== */
.contact-section{
  background:linear-gradient(135deg,rgba(168,85,247,0.08),rgba(59,130,246,0.08));
  border:1px solid rgba(168,85,247,0.2);border-radius:24px;padding:56px 40px;
}
.contact-grid{display:grid;grid-template-columns:1.25fr 0.75fr;gap:48px;align-items:center}
.contact-list{display:flex;flex-direction:column;gap:16px}
.contact-item{
  display:flex;align-items:flex-start;gap:16px;padding:18px 22px;
  background:rgba(15,15,40,0.55);border:1px solid rgba(168,85,247,0.14);
  border-radius:14px;transition:all .3s;
}
.contact-item:hover{border-color:rgba(168,85,247,0.38);transform:translateX(4px)}
.contact-item .ci-icon{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  background:rgba(168,85,247,0.15);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.contact-item .ci-body{flex:1;min-width:0}
.contact-item .ci-label{font-size:13px;color:var(--text-muted);margin-bottom:2px}
.contact-item .ci-value{font-size:16px;font-weight:700;color:var(--text-primary);word-break:break-all}
.contact-item .ci-value a{color:var(--text-primary);transition:color .3s}
.contact-item .ci-value a:hover{color:var(--neon-purple)}
.contact-item .ci-call{
  flex:0 0 auto;align-self:center;padding:9px 18px;border-radius:100px;
  font-size:13px;font-weight:700;color:#fff;background:var(--gradient-main);
  white-space:nowrap;transition:transform .3s,box-shadow .3s;
}
.contact-item .ci-call:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(168,85,247,0.4)}
.qr-card{
  background:rgba(15,15,40,0.7);border:1px solid rgba(168,85,247,0.22);
  border-radius:18px;padding:28px;text-align:center;
}
.qr-card .qr-title{font-size:16px;font-weight:800;margin-bottom:6px}
.qr-card .qr-desc{font-size:12.5px;color:var(--text-muted);margin-bottom:18px;line-height:1.7}
.qr-box{
  width:100%;max-width:220px;aspect-ratio:1/1;margin:0 auto;border-radius:14px;
  background:#fff;padding:10px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 40px rgba(168,85,247,0.25);
}
.qr-box img{width:100%;height:100%;object-fit:contain;border-radius:8px}
.qr-empty{
  width:100%;height:100%;display:flex;flex-direction:column;gap:6px;
  align-items:center;justify-content:center;color:#8a8aa0;font-size:12px;
}
.qr-empty b{font-size:28px}
.qr-wxid{
  display:inline-block;margin-top:16px;padding:8px 18px;border-radius:100px;
  background:rgba(168,85,247,0.12);border:1px dashed rgba(168,85,247,0.45);
  font-size:14px;font-weight:700;color:var(--neon-purple);letter-spacing:.5px;
}
.qr-tip{margin-top:10px;font-size:12px;color:var(--text-muted)}

/* ===== 悬浮联系条（PC） ===== */
.float-side{
  position:fixed;right:18px;top:50%;transform:translateY(-50%);
  z-index:900;display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:56px;height:56px;border-radius:14px;cursor:pointer;
  background:rgba(20,18,45,0.92);border:1px solid rgba(168,85,247,0.3);
  backdrop-filter:blur(10px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;font-size:10px;color:var(--text-secondary);
  transition:all .3s;position:relative;
}
.float-btn .ico{font-size:18px;line-height:1}
.float-btn:hover{
  border-color:var(--neon-purple);color:#fff;
  box-shadow:0 10px 30px rgba(168,85,247,0.35);transform:translateX(-4px);
}
.float-btn.primary{background:var(--gradient-main);border-color:transparent;color:#fff}
.float-qr{
  position:absolute;right:66px;top:50%;transform:translateY(-50%) scale(.9);
  width:150px;padding:10px;border-radius:12px;background:#fff;
  opacity:0;visibility:hidden;transition:all .3s;
  box-shadow:0 16px 40px rgba(0,0,0,0.5);
}
.float-btn:hover .float-qr{opacity:1;visibility:visible;transform:translateY(-50%) scale(1)}
.float-qr img{width:100%;border-radius:8px}
.float-qr .no-qr{
  font-size:12px;color:#555;text-align:center;padding:22px 6px;line-height:1.6;
}
/* 回到顶部 */
.back-top{
  position:fixed;right:18px;bottom:26px;z-index:900;
  width:46px;height:46px;border-radius:12px;cursor:pointer;
  background:rgba(20,18,45,0.92);border:1px solid rgba(168,85,247,0.3);
  color:var(--text-secondary);font-size:18px;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:all .3s;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{color:#fff;border-color:var(--neon-purple)}

/* ===== 移动端底部联系栏 ===== */
.m-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:950;
  background:rgba(7,7,20,0.96);backdrop-filter:blur(16px);
  border-top:1px solid rgba(168,85,247,0.22);
  padding:8px 10px calc(8px + env(safe-area-inset-bottom));
  grid-template-columns:repeat(3,1fr);gap:8px;
}
.m-bar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  padding:8px 4px;border-radius:10px;font-size:11px;color:var(--text-secondary);
  background:rgba(168,85,247,0.08);border:1px solid rgba(168,85,247,0.16);
}
.m-bar a .ico{font-size:16px;line-height:1}
.m-bar a.primary{background:var(--gradient-main);color:#fff;font-weight:700;border-color:transparent}

/* ===== 空状态 ===== */
.empty-box{
  text-align:center;padding:70px 20px;color:var(--text-muted);
  border:1px dashed rgba(168,85,247,0.25);border-radius:16px;font-size:14px;
}
.empty-box b{display:block;font-size:34px;margin-bottom:12px;opacity:.7}

/* ===== 响应式 ===== */
@media(max-width:1200px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .advantages-grid{grid-template-columns:repeat(3,1fr)}
  .audience-grid{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:992px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .phone-showcase{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .float-side{display:none}
}
@media(max-width:768px){
  :root{--nav-h:60px}
  .nav{padding:0 16px}
  .nav-logo{font-size:16px}
  .nav-logo .logo-icon{width:32px;height:32px;font-size:16px}
  .nav-logo img{height:32px}
  .nav-cta{display:none}
  .hero{padding:96px 20px 90px;min-height:auto}
  .hero h1{font-size:36px}
  .hero-sub{font-size:16px}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:22px 12px;margin-top:48px;width:100%;max-width:360px;margin-left:auto;margin-right:auto}
  .stat-number{font-size:28px}
  .features-grid,.ai-grid,.advantages-grid,.audience-grid,.partner-grid,.news-grid,.phone-spec{
    grid-template-columns:1fr;
  }
  .section{padding:60px 20px}
  .section-title{font-size:30px}
  .section-header{margin-bottom:44px}
  .ai-features,.partner-section,.contact-section{padding:40px 20px}
  .article-content{padding:24px 18px;font-size:15px;line-height:1.9}
  .article-head h1{font-size:24px}
  .page-head h1{font-size:28px}
  .page-head,.breadcrumb{padding-left:20px;padding-right:20px}
  .breadcrumb{padding-top:calc(var(--nav-h) + 18px)}
  .news-row{grid-template-columns:1fr;gap:14px}
  .news-row .news-thumb{height:170px}
  .contact-item{flex-wrap:wrap}
  .contact-item .ci-call{width:100%;text-align:center;align-self:stretch}
  .cta-section h2{font-size:28px}
  .cta-section p{font-size:16px}
  .cta-section{padding:70px 20px}
  .footer{padding:40px 20px 90px}
  .m-bar{display:grid}
  .back-top{bottom:82px}
  .phone-info h2{font-size:28px}
  .phone-frame{transform:scale(.92)}
  .float-side{display:none}
}
@media(max-width:400px){
  .hero h1{font-size:30px}
  .phone-frame{width:240px;height:490px}
}