/* ============================================================
   星烁BI 完整版官网 · 共享样式 v2
   深蓝+青色数据科技风（沿用已验收首页设计语言）
   ============================================================ */
:root{
  --bg-deep:#070F1F; --bg-dark:#0A1628; --bg-card:#0F1E36; --bg-card-hover:#142848;
  --primary:#2F7BFF; --cyan:#00D4FF; --cyan-soft:#4DE8FF; --accent:#FF8A3D;
  --blue:#1A6FFF; --mint:#34D399; --orange:#FF953D; --red:#FF5A6E;
  --text-main:#EAF2FF; --text-secondary:#9DB2D0; --text-muted:#6B7F9E;
  --border:rgba(77,232,255,.12); --border-bright:rgba(0,212,255,.35); --glow:rgba(0,212,255,.25);
  --ok:#00E676;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:90px}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  background:var(--bg-deep);color:var(--text-main);line-height:1.7;overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 40px}

/* ============ 导航 ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(7,15,31,.82);backdrop-filter:blur(14px);
  padding:16px max(40px,calc((100% - 1280px)/2 + 40px));
  display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid var(--border);transition:all .3s;
}
.nav.scrolled{background:rgba(7,15,31,.95);box-shadow:0 4px 24px rgba(0,0,0,.4)}
.logo{font-size:24px;font-weight:800;color:var(--cyan);letter-spacing:1px;display:flex;align-items:center;gap:8px}
.logo .logo-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:15px;color:#04101F;font-weight:900}
.logo span{color:var(--text-main)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--text-secondary);font-size:15px;font-weight:500;transition:color .3s;position:relative;white-space:nowrap}
.nav-links a:not(.nav-cta)::after{content:'';position:absolute;bottom:-6px;left:0;width:0;height:2px;background:var(--cyan);border-radius:2px;transition:width .3s}
.nav-links a:not(.nav-cta):hover{color:var(--cyan)}
.nav-links a:not(.nav-cta):hover::after{width:100%}
.nav-links a.active{color:var(--cyan)}
.nav-links a.active::after{width:100%}
.nav-cta{background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101F!important;padding:10px 22px;border-radius:8px;font-weight:700}
.nav-cta::after{display:none}
.nav-cta:hover{box-shadow:0 0 20px var(--glow)}
.nav-toggle{display:none;background:none;border:none;color:var(--cyan);font-size:26px;cursor:pointer}

/* ============ 首页 Hero（已验收居中版） ============ */
.hero{position:relative;min-height:760px;display:flex;align-items:center;background-color:#070F1F;
  background-image:
    linear-gradient(90deg,rgba(7,15,31,.96) 0%,rgba(7,15,31,.72) 30%,rgba(7,15,31,0) 50%,rgba(7,15,31,0) 60%,rgba(7,15,31,.68) 78%,rgba(7,15,31,.96) 100%),
    linear-gradient(0deg,rgba(7,15,31,.92) 0%,rgba(7,15,31,0) 22%),
    url('../images/hero-bg-center.png');
  background-size:cover;background-position:center center;background-repeat:no-repeat;overflow:hidden}
.hero-grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,212,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 75% 75% at 50% 45%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 75% 75% at 50% 45%,#000 20%,transparent 78%)}
.hero-content{position:relative;z-index:2;width:100%;display:flex;align-items:center;gap:40px}
.hero-left{flex:1.1;max-width:600px;animation:fadeInLeft .9s ease-out}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,255,.08);border:1px solid var(--border-bright);padding:8px 20px;border-radius:30px;font-size:14px;color:var(--cyan-soft);margin-bottom:26px;font-weight:500}
.hero-badge::before{content:'';width:8px;height:8px;background:var(--cyan);border-radius:50%;animation:pulse 2s infinite;box-shadow:0 0 8px var(--cyan)}
.hero-title{font-size:50px;font-weight:800;line-height:1.25;margin-bottom:22px;letter-spacing:1px}
.gradient-text{background:linear-gradient(120deg,var(--cyan) 0%,var(--primary) 60%,var(--cyan-soft) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:19px;color:var(--text-secondary);margin-bottom:34px;max-width:540px;line-height:1.9}
.hero-stats{display:flex;gap:44px;margin-bottom:38px}
.stat-num{font-size:40px;font-weight:800;color:var(--cyan);line-height:1.1}
.stat-num .unit{font-size:22px;color:var(--accent)}
.stat-text{font-size:14px;color:var(--text-muted);margin-top:6px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 34px;border-radius:12px;font-size:16px;font-weight:700;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101F;box-shadow:0 4px 24px rgba(0,212,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,212,255,.45)}
.btn-ghost{background:rgba(0,212,255,.06);color:var(--cyan-soft);border:1.5px solid var(--border-bright)}
.btn-ghost:hover{background:rgba(0,212,255,.14);transform:translateY(-2px)}
.btn-lg{padding:18px 42px;font-size:17px}

/* ============ 通用区块 ============ */
.section{padding:96px 0}
.section-header{text-align:center;max-width:760px;margin:0 auto 60px}
.section-tag{display:inline-block;background:rgba(0,212,255,.08);color:var(--cyan);border:1px solid var(--border-bright);padding:6px 20px;border-radius:20px;font-size:14px;font-weight:500;margin-bottom:18px}
.section-title{font-size:38px;font-weight:800;margin-bottom:16px}
.section-desc{font-size:17px;color:var(--text-secondary);line-height:1.9}
.text-center{text-align:center}

/* 功能卡 */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.feature-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:linear-gradient(160deg,var(--bg-card) 0%,rgba(10,22,40,.6) 100%);border:1px solid var(--border);border-radius:18px;padding:38px 34px;transition:all .4s;position:relative;overflow:hidden;height:100%}
.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .4s}
.feature-card:hover{border-color:var(--border-bright);transform:translateY(-6px);box-shadow:0 20px 48px rgba(0,0,0,.4),0 0 32px rgba(0,212,255,.08)}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:22px;background:rgba(0,212,255,.1);border:1px solid var(--border-bright)}
.feature-title{font-size:22px;font-weight:700;margin-bottom:10px}
.feature-desc{font-size:15px;color:var(--text-secondary);line-height:1.9;margin-bottom:16px}
.feature-list li{padding:6px 0;color:var(--text-secondary);font-size:14px;display:flex;align-items:flex-start;gap:10px}
.feature-list li::before{content:'▹';color:var(--cyan);font-weight:bold}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--cyan);font-size:14.5px;font-weight:600;transition:gap .3s}
.card-link:hover{gap:11px}

/* 平台条 */
.platforms{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:40px}
.platform-chip{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:12px 22px;font-size:15px;font-weight:600;color:var(--text-secondary);transition:all .3s}
.platform-chip:hover{border-color:var(--border-bright);color:var(--cyan-soft);transform:translateY(-3px)}

/* 流程 */
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow-step{text-align:center;padding:36px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;transition:all .35s}
.flow-step:hover{border-color:var(--border-bright);transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.35)}
.flow-num{width:58px;height:58px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101F;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;box-shadow:0 0 20px rgba(0,212,255,.25)}
.flow-title{font-size:19px;font-weight:700;margin-bottom:10px}
.flow-desc{font-size:14px;color:var(--text-muted);line-height:1.8}

/* 行业/场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.scene-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:34px 28px;transition:all .35s;height:100%}
.scene-card:hover{background:var(--bg-card-hover);border-color:var(--border-bright);transform:translateY(-5px)}
.scene-emoji{font-size:34px;margin-bottom:16px;display:block}
.scene-title{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--cyan-soft)}
.scene-desc{font-size:14.5px;color:var(--text-secondary);line-height:1.9}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.scene-tags span{font-size:12.5px;background:rgba(0,212,255,.08);color:var(--cyan-soft);border:1px solid var(--border);border-radius:20px;padding:3px 12px}

/* 数字带 */
.stats-band{background:linear-gradient(135deg,#0A1628 0%,#0F2547 100%);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:80px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.big-num{font-size:52px;font-weight:800;line-height:1;margin-bottom:12px;background:linear-gradient(120deg,var(--cyan),var(--primary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.big-num .u{font-size:24px;color:var(--accent);-webkit-text-fill-color:var(--accent)}
.big-text{font-size:15px;color:var(--text-secondary)}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.case-card{background:var(--bg-card);border:1px solid var(--border);border-radius:18px;overflow:hidden;transition:all .4s;display:flex;flex-direction:column}
.case-card:hover{border-color:var(--border-bright);transform:translateY(-6px);box-shadow:0 20px 48px rgba(0,0,0,.4)}
.case-head{padding:26px 28px 0;display:flex;align-items:center;gap:14px}
.case-logo{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.case-ind{font-size:18px;font-weight:700}
.case-sub{font-size:13px;color:var(--text-muted)}
.case-body{padding:20px 28px 28px;flex:1;display:flex;flex-direction:column}
.case-quote{font-size:14.5px;color:var(--text-secondary);line-height:1.9;margin-bottom:20px}
.case-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:auto}
.case-metric{text-align:center;background:rgba(0,212,255,.05);border:1px solid var(--border);border-radius:10px;padding:12px 6px}
.case-metric b{display:block;font-size:21px;color:var(--cyan);font-weight:800}
.case-metric span{font-size:12px;color:var(--text-muted)}
.demo-note{text-align:center;color:var(--text-muted);font-size:13.5px;margin-top:26px}

/* 价格 */
.price-toggle{display:flex;justify-content:center;gap:8px;margin-bottom:46px}
.price-toggle button{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);padding:10px 26px;border-radius:10px;font-size:15px;cursor:pointer;transition:all .3s}
.price-toggle button.active{background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101F;font-weight:700;border-color:transparent}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:stretch}
.price-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:40px 34px;display:flex;flex-direction:column;position:relative;transition:all .4s}
.price-card:hover{transform:translateY(-8px);border-color:var(--border-bright)}
.price-card.featured{background:linear-gradient(170deg,#122849 0%,#0C1A30 100%);border:1.5px solid var(--cyan);box-shadow:0 0 48px rgba(0,212,255,.14)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101F;font-size:13px;font-weight:800;padding:5px 18px;border-radius:20px;white-space:nowrap}
.price-name{font-size:22px;font-weight:800;margin-bottom:8px}
.price-for{font-size:14px;color:var(--text-muted);margin-bottom:24px;min-height:40px}
.price-amount{font-size:42px;font-weight:800;color:var(--cyan);line-height:1;margin-bottom:4px}
.price-amount .small{font-size:15px;color:var(--text-muted);font-weight:500}
.price-period{font-size:13px;color:var(--text-muted);margin-bottom:26px}
.price-features{margin-bottom:30px;flex:1}
.price-features li{padding:9px 0;font-size:14.5px;color:var(--text-secondary);display:flex;align-items:flex-start;gap:10px;border-bottom:1px dashed rgba(77,232,255,.08)}
.price-features li::before{content:'✓';color:var(--cyan);font-weight:800}
.price-features li.off{color:var(--text-muted);opacity:.5}
.price-features li.off::before{content:'—';color:var(--text-muted)}
.price-card .btn{width:100%;justify-content:center}
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;margin-bottom:16px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--text-main);font-size:17px;font-weight:600;padding:22px 26px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.faq-q .ic{color:var(--cyan);font-size:22px;transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 26px}
.faq-item.open .faq-a{max-height:340px;padding-bottom:22px}
.faq-a p{color:var(--text-secondary);font-size:15px;line-height:1.9}

/* 内页头 */
.page-hero{position:relative;padding:170px 0 90px;background:linear-gradient(135deg,#0A1628 0%,#0D2040 55%,#0A1628 100%);overflow:hidden;border-bottom:1px solid var(--border)}
.page-hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.04) 1px,transparent 1px);background-size:48px 48px;
  mask-image:radial-gradient(ellipse 80% 90% at 50% 0,#000 10%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 90% at 50% 0,#000 10%,transparent 75%)}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{font-size:14px;color:var(--text-muted);margin-bottom:20px}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb span{margin:0 9px;opacity:.5}
.page-title{font-size:44px;font-weight:800;margin-bottom:18px;letter-spacing:.5px}
.page-sub{font-size:18px;color:var(--text-secondary);max-width:680px;line-height:1.9}

/* 内容两栏 / 图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split-visual{background:var(--bg-card);border:1px solid var(--border-bright);border-radius:20px;padding:36px;position:relative;overflow:hidden}
.split-visual::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:radial-gradient(circle,rgba(0,212,255,.18),transparent 70%)}
.metric-line{display:flex;justify-content:space-between;align-items:center;padding:18px 0;border-bottom:1px dashed var(--border);position:relative;z-index:1}
.metric-line:last-child{border-bottom:none}
.metric-name{color:var(--text-secondary);font-size:15px}
.metric-val{font-weight:700;color:var(--cyan);font-size:17px}
.metric-val .up{color:var(--ok);font-size:13px;margin-left:6px}
.lead h3{font-size:32px;font-weight:800;margin-bottom:20px;line-height:1.4}
.lead h3 .cyan{color:var(--cyan)}
.lead p{font-size:16px;color:var(--text-secondary);line-height:2;margin-bottom:18px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.afeature{display:flex;align-items:center;gap:12px;background:var(--bg-card);border:1px solid var(--border);padding:14px 16px;border-radius:12px;font-size:14.5px}
.afeature .fi{font-size:20px}

/* 规格表 */
.spec-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:16px;overflow:hidden}
.spec-table th,.spec-table td{padding:18px 24px;text-align:left;border-bottom:1px solid var(--border);font-size:15px}
.spec-table th{background:rgba(0,212,255,.07);color:var(--cyan-soft);font-weight:700}
.spec-table tr:last-child td{border-bottom:none}
.spec-table td:first-child{color:var(--text-secondary);width:26%}

/* 时间线 */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:40px}
.timeline::before{content:'';position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--primary),var(--cyan))}
.tl-item{position:relative;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:'';position:absolute;left:-34px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,212,255,.18)}
.tl-year{color:var(--cyan);font-weight:800;font-size:16px;margin-bottom:6px}
.tl-title{font-size:19px;font-weight:700;margin-bottom:6px}
.tl-desc{font-size:14.5px;color:var(--text-secondary);line-height:1.8}

/* CTA / 联系 */
.cta-band{background:linear-gradient(135deg,#0A1628 0%,#12305E 55%,#0A1628 100%);text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.04) 1px,transparent 1px);background-size:48px 48px}
.cta-band .container{position:relative;z-index:1}
.cta-title{font-size:40px;font-weight:800;margin-bottom:18px}
.cta-desc{font-size:18px;color:var(--text-secondary);margin-bottom:38px;max-width:600px;margin-left:auto;margin-right:auto}
.contact-methods{display:flex;justify-content:center;gap:28px;flex-wrap:wrap}
.contact-item{background:rgba(15,30,54,.7);border:1px solid var(--border-bright);backdrop-filter:blur(10px);padding:30px 38px;border-radius:16px;min-width:240px;transition:all .3s}
.contact-item:hover{background:rgba(20,40,72,.9);transform:translateY(-5px);box-shadow:0 12px 32px rgba(0,0,0,.4)}
.contact-icon{font-size:30px;margin-bottom:14px}
.contact-label{font-size:14px;color:var(--text-muted);margin-bottom:6px}
.contact-value{font-size:17px;font-weight:700;color:var(--cyan-soft)}
.wechat-item{display:flex;flex-direction:column;align-items:center}
.wechat-qr{width:160px;height:160px;border-radius:12px;background:#fff;padding:9px;margin-bottom:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.wechat-qr img{width:100%;height:100%;object-fit:contain}
.wechat-qr-inner{width:100%;height:100%;border:2px dashed rgba(0,212,255,.45);border-radius:8px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;color:#8296B5;line-height:1.9}
/* 法律文档页（隐私政策/服务条款） */
.legal-doc{max-width:880px;margin:0 auto;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:42px 48px;line-height:2;color:#AEB9CE}
.legal-doc .legal-updated{color:var(--text-muted);font-size:14px;margin-bottom:26px}
.legal-doc h2{font-size:19px;color:#fff;margin:30px 0 12px;font-weight:700}
.legal-doc p{font-size:15px;margin:10px 0;color:#AEB9CE}
.legal-doc strong{color:#fff}
@media(max-width:600px){.legal-doc{padding:28px 20px}.legal-doc h2{font-size:17px}.legal-doc p{font-size:14.5px}}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.form-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:40px}
.form-row{margin-bottom:22px}
.form-row label{display:block;font-size:14.5px;font-weight:600;margin-bottom:9px;color:var(--text-secondary)}
.form-row label b{color:var(--accent);margin-left:3px}
.form-row input,.form-row select,.form-row textarea{width:100%;background:var(--bg-deep);border:1px solid var(--border);border-radius:10px;padding:14px 16px;color:var(--text-main);font-size:15px;font-family:inherit;transition:border-color .3s}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--border-bright)}
.form-row textarea{resize:vertical;min-height:110px}
.form-row select option{background:var(--bg-card)}
.form-hint{font-size:13px;color:var(--text-muted);margin-top:10px}
.form-side .contact-item{width:100%;margin-bottom:18px;text-align:left}
.form-msg{display:none;margin-top:18px;padding:14px 18px;border-radius:10px;background:rgba(0,230,118,.1);border:1px solid rgba(0,230,118,.4);color:var(--ok);font-size:14.5px}
.form-msg.show{display:block}

/* 页脚 */
.footer{background:#050B16;color:var(--text-muted);padding:64px 0 30px;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:2;color:var(--text-muted);max-width:300px}
.footer-col h4{color:var(--text-main);font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--text-muted);transition:color .3s}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{font-size:14px;margin-bottom:11px;display:flex;gap:9px;align-items:flex-start}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px}
.footer-bottom a:hover{color:var(--cyan)}

/* 回到顶部 */
.backtop{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101F;border:none;font-size:22px;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:900;box-shadow:0 6px 20px rgba(0,212,255,.35)}
.backtop.show{opacity:1;visibility:visible}
.backtop:hover{transform:translateY(-4px)}

/* 动画 */
@keyframes fadeInLeft{from{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:translateX(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.fade-section{opacity:1;transform:none;transition:none}
html.js .fade-section{opacity:0;transform:translateY(40px);transition:all .8s ease-out}
html.js .fade-section.visible{opacity:1;transform:translateY(0)}

/* ============ 交互式BI看板（四大功能演示） ============ */
.bi-showcase{display:grid;grid-template-columns:300px 1fr;gap:22px;margin-top:54px;align-items:stretch}
.bi-tabs{display:flex;flex-direction:column;gap:12px}
.bi-tab{position:relative;display:flex;gap:13px;align-items:flex-start;text-align:left;padding:17px 18px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.03);cursor:pointer;transition:border-color .3s,background .3s,transform .3s;overflow:hidden}
.bi-tab::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--cyan),var(--blue));opacity:0;transition:opacity .3s}
.bi-tab:hover{border-color:rgba(0,212,255,.4);transform:translateX(4px)}
.bi-tab.active{border-color:rgba(0,212,255,.55);background:linear-gradient(135deg,rgba(0,212,255,.12),rgba(0,102,255,.05));box-shadow:var(--glow)}
.bi-tab.active::before{opacity:1}
.bi-tab-ic{font-size:23px;line-height:1.2;flex:0 0 26px;filter:drop-shadow(0 0 8px rgba(0,212,255,.35))}
.bi-tab>span:last-child{flex:1;min-width:0}
.bi-tab-name{display:block;font-size:15.5px;font-weight:700;color:#fff;margin-bottom:4px;line-height:1.35}
.bi-tab-sub{display:block;font-size:12px;color:var(--text-muted);line-height:1.5}
.bi-tab.active .bi-tab-name{color:var(--cyan)}

.bi-stage{position:relative;border-radius:18px;border:1px solid var(--border);background:linear-gradient(160deg,#0b1730,#0a1428 60%,#0b1730);box-shadow:0 24px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.04);overflow:hidden;min-height:612px}
.bi-stage::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 0,rgba(0,212,255,.10),transparent 55%);pointer-events:none}
.bi-screen-bar{display:flex;align-items:center;gap:8px;padding:12px 18px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.bi-dot{width:11px;height:11px;border-radius:50%}
.bi-dot.r{background:#ff5f57}.bi-dot.y{background:#febc2e}.bi-dot.g{background:#28c840}
.bi-screen-title{margin-left:10px;font-size:13px;color:var(--text-muted);letter-spacing:.5px}
.live-dot{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--cyan)}
.live-dot i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(0,212,255,.6);animation:livePulse 1.6s infinite}
@keyframes livePulse{0%{box-shadow:0 0 0 0 rgba(0,212,255,.55)}70%{box-shadow:0 0 0 9px rgba(0,212,255,0)}100%{box-shadow:0 0 0 0 rgba(0,212,255,0)}}

.bi-panel{display:none;padding:22px;position:relative;z-index:1}
.bi-panel.active{display:block;animation:biPanelIn .5s ease}
@keyframes biPanelIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.bi-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:18px}
.bi-kpi{background:rgba(255,255,255,.035);border:1px solid var(--border);border-radius:13px;padding:14px 15px}
.bi-kpi-l{font-size:12px;color:var(--text-muted);margin-bottom:7px}
.bi-kpi-v{font-size:23px;font-weight:800;color:#fff;font-family:"DIN Alternate",Arial,sans-serif;line-height:1}
.bi-kpi-v .u{font-size:12.5px;font-weight:600;color:var(--text-muted);margin-left:2px}
.bi-kpi-v.good{color:var(--mint)} .bi-kpi-v.cyan{color:var(--cyan)} .bi-kpi-v.warn{color:var(--orange)}
.bi-kpi-t{font-size:11.5px;margin-top:6px;color:var(--mint)} .bi-kpi-t.down{color:#ff7a85}

/* 平台流水 */
.plat-head,.plat-row{display:grid;grid-template-columns:1.5fr 1fr 1fr .9fr;gap:10px;align-items:center}
.plat-head{font-size:12px;color:var(--text-muted);padding:0 14px 9px;border-bottom:1px solid var(--border)}
.plat-list{display:flex;flex-direction:column}
.plat-row{padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.05);font-size:13.5px;opacity:0;transform:translateX(-16px);animation:rowIn .5s forwards}
.plat-row:nth-child(1){animation-delay:.05s}.plat-row:nth-child(2){animation-delay:.15s}.plat-row:nth-child(3){animation-delay:.25s}.plat-row:nth-child(4){animation-delay:.35s}.plat-row:nth-child(5){animation-delay:.45s}
@keyframes rowIn{to{opacity:1;transform:none}}
.plat-name{display:flex;align-items:center;gap:9px;font-weight:600;color:#eaf6ff}
.plat-badge{width:27px;height:27px;border-radius:8px;display:grid;place-items:center;font-size:14px;background:rgba(0,212,255,.12);border:1px solid rgba(0,212,255,.25)}
.plat-row .num{font-variant-numeric:tabular-nums;color:#cfe9ff}
.plat-status{font-size:11.5px;color:var(--mint)}
.sync-bar{margin-top:16px;height:7px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden}
.sync-bar i{display:block;height:100%;width:0;border-radius:6px;background:linear-gradient(90deg,var(--blue),var(--cyan));animation:syncFill 2.2s ease forwards}
@keyframes syncFill{to{width:100%}}
.sync-label{margin-top:9px;font-size:12px;color:var(--text-muted);display:flex;justify-content:space-between}

/* 通用图表卡 */
.bi-chart-card{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:14px;padding:16px 18px}
.bi-chart-card h4{font-size:14px;color:#dff3ff;margin-bottom:14px;font-weight:700;display:flex;align-items:center;gap:8px}
.bi-chart-card h4::before{content:"";width:4px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--cyan),var(--blue))}
.bi-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* 平台对比条 */
.cmp-row{display:grid;grid-template-columns:74px 1fr 96px;gap:11px;align-items:center;margin-bottom:13px;font-size:12.5px}
.cmp-row:last-child{margin-bottom:0}
.cmp-name{color:#d6ecff;font-weight:600}
.cmp-track{height:9px;border-radius:6px;background:rgba(255,255,255,.06);overflow:hidden}
.cmp-fill{height:100%;width:0;border-radius:6px;background:linear-gradient(90deg,var(--blue),var(--cyan));animation:growX 1.1s cubic-bezier(.2,.8,.2,1) forwards}
.cmp-fill.hot{background:linear-gradient(90deg,#ff9d3c,#ffd166)}
@keyframes growX{from{width:0}}
.cmp-val{text-align:right;font-variant-numeric:tabular-nums;color:#cfe9ff;font-size:12px}
.cmp-val b{color:var(--mint)}

/* 折线图 */
.bi-line-wrap{width:100%}
.bi-line-wrap svg{width:100%;height:auto;display:block}
.line-path{stroke-dasharray:1000;stroke-dashoffset:1000;animation:drawLine 1.8s ease forwards}
@keyframes drawLine{to{stroke-dashoffset:0}}
.line-area{opacity:0;animation:areaIn 1.8s ease .3s forwards}
@keyframes areaIn{to{opacity:1}}
.line-dot{opacity:0;animation:dotIn .4s forwards}
@keyframes dotIn{to{opacity:1}}

/* 预警 */
.alert-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-bottom:16px}
.alert-feed{display:flex;flex-direction:column;gap:11px}
.alert-item{display:flex;gap:13px;align-items:flex-start;padding:13px 15px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.03);opacity:0;animation:rowIn .5s forwards}
.alert-item.danger{border-color:rgba(255,107,107,.4);background:linear-gradient(135deg,rgba(255,107,107,.12),rgba(255,107,107,.02))}
.alert-item.warn{border-color:rgba(255,157,60,.38);background:linear-gradient(135deg,rgba(255,157,60,.12),rgba(255,157,60,.02))}
.alert-item.ok{border-color:rgba(64,224,176,.3)}
.alert-ic{width:34px;height:34px;flex:0 0 34px;border-radius:9px;display:grid;place-items:center;font-size:16px}
.alert-item.danger .alert-ic{background:rgba(255,107,107,.18);animation:alertBlink 1.3s infinite}
.alert-item.warn .alert-ic{background:rgba(255,157,60,.18)}
.alert-item.ok .alert-ic{background:rgba(64,224,176,.16)}
@keyframes alertBlink{0%,100%{box-shadow:0 0 0 0 rgba(255,107,107,.5)}50%{box-shadow:0 0 0 7px rgba(255,107,107,0)}}
.alert-tx b{font-size:13.5px;color:#fff;display:block;margin-bottom:3px}
.alert-tx p{font-size:12px;color:var(--text-muted);line-height:1.5;margin:0}
.alert-tag{margin-left:auto;flex:0 0 auto;font-size:11px;padding:3px 9px;border-radius:20px;font-weight:700}
.alert-item.danger .alert-tag{background:rgba(255,107,107,.18);color:#ff9aa2}
.alert-item.warn .alert-tag{background:rgba(255,157,60,.18);color:#ffc07a}
.alert-item.ok .alert-tag{background:rgba(64,224,176,.16);color:var(--mint)}
.bi-suggest{margin-top:15px;padding:13px 16px;border-radius:12px;border:1px dashed rgba(0,212,255,.4);background:rgba(0,212,255,.06);font-size:12.5px;color:#cdeffb;line-height:1.6}
.bi-suggest b{color:var(--cyan)}

/* 大屏多端 */
.bigscreen{position:relative;border-radius:14px;border:1px solid rgba(0,212,255,.25);background:linear-gradient(160deg,#081226,#0b1b38);padding:18px;overflow:hidden}
.bigscreen::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(0,212,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.05) 1px,transparent 1px);background-size:34px 34px;pointer-events:none}
.bs-head{position:relative;z-index:1;text-align:center;margin-bottom:16px}
.bs-head b{font-size:16px;letter-spacing:2px;background:linear-gradient(90deg,#7fe9ff,#00d4ff,#7fe9ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.bs-head span{display:block;font-size:11px;color:var(--text-muted);margin-top:3px}
.bs-kpis{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-bottom:14px}
.bs-kpi{text-align:center;border:1px solid rgba(0,212,255,.2);border-radius:11px;padding:12px 8px;background:rgba(0,40,80,.35)}
.bs-kpi .v{font-size:21px;font-weight:800;color:#5fe3ff;font-variant-numeric:tabular-nums;text-shadow:0 0 14px rgba(0,212,255,.5)}
.bs-kpi .l{font-size:11px;color:var(--text-muted);margin-top:4px}
.bs-bottom{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr;gap:12px}
.bs-box{border:1px solid rgba(0,212,255,.18);border-radius:11px;padding:12px;background:rgba(0,30,60,.3);min-height:120px}
.bs-box h5{font-size:12px;color:#9fdcff;margin-bottom:10px}
.bs-bars{display:flex;align-items:flex-end;gap:9px;height:88px}
.bs-bar{flex:1;border-radius:4px 4px 0 0;background:linear-gradient(180deg,#00d4ff,#0a5);background:linear-gradient(180deg,#37e0ff,#0b6cff);height:0;animation:barGrow 1.2s cubic-bezier(.2,.8,.2,1) forwards;transform-origin:bottom}
@keyframes barGrow{from{height:0}}
.bs-ring{display:flex;align-items:center;justify-content:center;gap:14px;height:88px}
.ring{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;font-size:15px;font-weight:800;color:#5fe3ff;background:conic-gradient(var(--cyan) calc(var(--p)*1%),rgba(255,255,255,.08) 0);position:relative}
.ring::before{content:"";position:absolute;inset:8px;border-radius:50%;background:#0a1830}
.ring span{position:relative;z-index:1}
.devices-row{display:flex;gap:13px;margin-top:16px;align-items:flex-end;justify-content:center}
.device{border:1px solid var(--border);border-radius:10px;background:rgba(255,255,255,.03);padding:11px;text-align:center;opacity:0;animation:devIn .5s forwards}
.device:nth-child(1){animation-delay:.1s}.device:nth-child(2){animation-delay:.25s}.device:nth-child(3){animation-delay:.4s}
@keyframes devIn{to{opacity:1}}
.device .ic{font-size:22px}
.device .l{font-size:11.5px;color:var(--text-muted);margin-top:5px}

.bi-note{margin-top:14px;font-size:12px;color:var(--text-muted);text-align:center}

@media (max-width:900px){
  .bi-showcase{grid-template-columns:1fr}
  .bi-tabs{flex-direction:row;overflow-x:auto;padding-bottom:4px}
  .bi-tab{min-width:200px}
  .bi-kpis{grid-template-columns:repeat(2,1fr)}
  .bi-grid-2{grid-template-columns:1fr}
  .bs-kpis{grid-template-columns:repeat(2,1fr)}
  .bs-bottom{grid-template-columns:1fr}
}

/* 深浅底交替辅助 */
.bg-deep{background:var(--bg-deep)}
.bg-dark{background:var(--bg-dark)}
.mt-0{margin-top:0}

/* ============ 案例卡：前后对比 + 看板入口 ============ */
.case-card{display:flex;flex-direction:column}
.case-card .case-body{flex:1;display:flex;flex-direction:column}
.case-foot{margin-top:auto;padding-top:13px}
.case-before{position:relative;background:rgba(255,90,110,.07);border:1px solid rgba(255,90,110,.22);border-left:3px solid var(--red);border-radius:10px;padding:11px 13px;margin-bottom:10px;font-size:13px;line-height:1.6;color:#c7d0de}
.case-before b,.case-after b{display:block;font-size:11.5px;letter-spacing:1px;margin-bottom:3px;font-weight:700}
.case-before b{color:var(--red)}
.case-after{background:rgba(52,211,153,.07);border:1px solid rgba(52,211,153,.22);border-left:3px solid var(--mint);border-radius:10px;padding:11px 13px;font-size:13px;line-height:1.6;color:#c7d0de}
.case-after b{color:var(--mint)}
.case-foot{margin-top:auto;padding-top:13px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}
.case-go{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--cyan);text-decoration:none;white-space:nowrap}
.case-go:hover{gap:10px}
.case-soon{font-size:12px;color:var(--text-muted);white-space:nowrap}

/* ============ 案例详情 · 行业 BI Demo（通用，ed 前缀） ============ */
.ed-hero{position:relative;padding:150px 0 54px;background:radial-gradient(ellipse 80% 120% at 70% -10%,rgba(0,102,255,.28),transparent 60%),linear-gradient(180deg,#0a1730,#070d1c)}
.ed-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,255,.1);border:1px solid rgba(0,212,255,.35);color:var(--cyan);font-size:13px;font-weight:600;padding:6px 14px;border-radius:30px;margin-bottom:20px}
.ed-title{font-size:40px;font-weight:800;color:#fff;line-height:1.25;margin-bottom:14px}
.ed-title em{font-style:normal;background:linear-gradient(90deg,var(--cyan),#6ea8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.ed-sub{font-size:16.5px;color:var(--text-muted);line-height:1.8;max-width:760px}
.ed-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:38px 0 0}
.ed-strip .s{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:14px;padding:18px 16px;text-align:center}
.ed-strip .s b{display:block;font-size:27px;font-weight:800;color:var(--mint);font-family:"DIN Alternate",Arial,sans-serif;line-height:1.1}
.ed-strip .s b.warn{color:var(--red)}
.ed-strip .s span{display:block;font-size:12.5px;color:var(--text-muted);margin-top:7px}

.ed-demo{margin-top:18px;border-radius:20px;overflow:hidden;border:1px solid var(--border);background:linear-gradient(160deg,#0b1730,#0a1428 55%,#0b1730);box-shadow:0 30px 70px rgba(0,0,0,.55)}
.ed-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:15px 22px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.ed-toolbar .t{display:flex;align-items:center;gap:11px}
.ed-toolbar .t .dot{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(52,211,153,.6);animation:edpulse 1.8s infinite}
@keyframes edpulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.55)}70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.ed-toolbar .t b{font-size:15.5px;color:#fff;letter-spacing:1px}
.ed-toolbar .t span{font-size:12px;color:var(--text-muted)}
.ed-range{display:inline-flex;background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:10px;padding:3px}
.ed-range button{border:0;background:transparent;color:var(--text-muted);font-size:13px;font-weight:600;padding:7px 16px;border-radius:8px;cursor:pointer;transition:.25s;font-family:inherit}
.ed-range button.on{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04122a;box-shadow:0 4px 14px rgba(0,212,255,.35)}
.ed-body{padding:24px 22px}
.ed-kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:13px;margin-bottom:18px}
.ed-kpi{background:rgba(255,255,255,.035);border:1px solid var(--border);border-radius:13px;padding:15px 15px;position:relative;overflow:hidden}
.ed-kpi::after{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.ed-kpi .l{font-size:12px;color:var(--text-muted);margin-bottom:8px}
.ed-kpi .v{font-size:25px;font-weight:800;color:#fff;font-family:"DIN Alternate",Arial,sans-serif;line-height:1}
.ed-kpi .v.cy{color:var(--cyan)} .ed-kpi .v.gd{color:var(--mint)} .ed-kpi .v.rd{color:var(--red)}
.ed-kpi .v small{font-size:12.5px;font-weight:600;color:var(--text-muted);margin-left:2px}
.ed-kpi .d{font-size:11.5px;margin-top:7px;color:var(--mint)} .ed-kpi .d.down{color:var(--red)}
.ed-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;margin-bottom:16px}
.ed-card{background:rgba(255,255,255,.025);border:1px solid var(--border);border-radius:14px;padding:18px 18px 16px}
.ed-card h4{font-size:14.5px;color:#fff;margin:0 0 4px;font-weight:700}
.ed-card .cap{font-size:11.5px;color:var(--text-muted);margin-bottom:15px}
/* 渠道ROI条 */
.ed-bars{display:flex;flex-direction:column;gap:11px}
.ed-bar{display:grid;grid-template-columns:78px 1fr 52px;align-items:center;gap:11px;font-size:12.5px}
.ed-bar .nm{color:#cdd6e4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ed-bar .track{height:17px;background:rgba(255,255,255,.05);border-radius:6px;overflow:hidden}
.ed-bar .fill{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:left center;border-radius:6px;background:linear-gradient(90deg,#1a6fff,var(--cyan));transition:transform 1.1s cubic-bezier(.2,.8,.2,1)}
.ed-bar .fill.hot{background:linear-gradient(90deg,#ff8a3d,var(--orange))}
.ed-bar .val{text-align:right;font-weight:700;color:#fff;font-family:"DIN Alternate",Arial,sans-serif}
/* 漏斗 */
.ed-funnel{display:flex;flex-direction:column;gap:9px}
.ed-frow{display:grid;grid-template-columns:52px 1fr 74px;align-items:center;gap:10px;font-size:12.5px}
.ed-frow .fn{color:#cdd6e4}
.ed-frow .ft{height:24px;border-radius:6px;width:0;background:linear-gradient(90deg,rgba(0,212,255,.85),rgba(0,102,255,.55));transition:width 1s cubic-bezier(.2,.8,.2,1);display:flex;align-items:center;padding-left:9px;color:#eaf6ff;font-size:11px;font-weight:700;white-space:nowrap}
.ed-frow .fr{text-align:right;color:var(--text-muted);font-size:11.5px}
.ed-funnel .conv{margin-top:4px;font-size:11.5px;color:var(--cyan);text-align:right}
/* 折线（SVG） */
.ed-svg{width:100%;height:190px;display:block}
.ed-svg .area{fill:url(#edGrad);opacity:.28}
.ed-svg .line{fill:none;stroke:var(--cyan);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1200;stroke-dashoffset:1200;animation:eddraw 1.6s ease forwards}
@keyframes eddraw{to{stroke-dashoffset:0}}
.ed-svg .dot{fill:#0a1428;stroke:var(--cyan);stroke-width:2;opacity:0;animation:edfade .4s ease forwards}
@keyframes edfade{to{opacity:1}}
.ed-svg text{fill:var(--text-muted);font-size:10.5px}
/* 建议/预警 */
.ed-tips{display:flex;flex-direction:column;gap:11px}
.ed-tip{display:flex;gap:11px;padding:12px 13px;border-radius:11px;font-size:12.8px;line-height:1.55;color:#cdd6e4;opacity:0;transform:translateX(14px);animation:edslide .6s ease forwards}
@keyframes edslide{to{opacity:1;transform:none}}
.ed-tip .ti{flex:0 0 24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px}
.ed-tip.good{background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.25)} .ed-tip.good .ti{background:rgba(52,211,153,.2);color:var(--mint)}
.ed-tip.warn{background:rgba(255,149,61,.08);border:1px solid rgba(255,149,61,.28)} .ed-tip.warn .ti{background:rgba(255,149,61,.2);color:var(--orange)}
.ed-tip.info{background:rgba(0,212,255,.07);border:1px solid rgba(0,212,255,.22)} .ed-tip.info .ti{background:rgba(0,212,255,.18);color:var(--cyan)}
.ed-foot-note{padding:12px 22px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted);background:rgba(0,0,0,.18)}

/* ============ 实时化：时钟 / 数字跳动 / 成交流 / 扫描光 ============ */
.ed-clock{font-family:"DIN Alternate","Consolas",monospace;font-size:15px;font-weight:700;color:var(--cyan);letter-spacing:1px;background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.25);padding:5px 11px;border-radius:8px}
.ed-refresh{font-size:12px;color:var(--mint)}
.ed-livectl{display:flex;align-items:center;gap:12px;margin-left:auto;flex-wrap:wrap;justify-content:flex-end}
@keyframes vTick{0%{color:var(--cyan);text-shadow:0 0 14px rgba(0,212,255,.9)}100%{text-shadow:none}}
.ed-kpi .v.flash{animation:vTick .9s ease}
.ed-board{position:relative;overflow:hidden}
.ed-board::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(to bottom,rgba(0,212,255,.05),transparent 22%);animation:edScan 5.5s linear infinite}
@keyframes edScan{0%{transform:translateY(-30%)}100%{transform:translateY(120%)}}
.ed-livefeed{grid-column:1/-1;border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.03);padding:14px 18px}
.ed-livefeed h4{font-size:14px;color:#dbe5f2;margin:0 0 10px;display:flex;align-items:center;gap:8px}
.ed-feed-list{position:relative;height:192px;overflow:hidden}
.ed-feed-row{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;padding:8px 4px;border-bottom:1px solid rgba(255,255,255,.05);font-size:13px;animation:edFeedIn .5s ease}
@keyframes edFeedIn{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:translateY(0)}}
.ed-feed-row .fr-time{font-family:"DIN Alternate","Consolas",monospace;color:var(--text-muted);font-size:12px}
.ed-feed-row .fr-name{color:#d6deea;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.ed-feed-row .fr-name b{color:#fff;font-weight:600}
.ed-feed-row .fr-amt{font-family:"DIN Alternate","Consolas",monospace;font-weight:700;color:var(--accent);white-space:nowrap}
.ed-feed-row .fr-tag{display:inline-block;font-size:10.5px;color:var(--mint);border:1px solid rgba(52,211,153,.35);border-radius:5px;padding:1px 6px;margin-left:7px}
.ed-ticker{overflow:hidden;white-space:nowrap;border:1px solid var(--border);border-radius:10px;background:rgba(0,212,255,.04);padding:9px 0;margin-top:2px}
.ed-ticker .tk-track{display:inline-block;white-space:nowrap;padding-left:100%;animation:tkMove 26s linear infinite;font-size:12.5px;color:#cdd7e5}
.ed-ticker .tk-track b{color:var(--cyan);font-weight:600;margin:0 4px}
@keyframes tkMove{to{transform:translateX(-100%)}}

@media(max-width:900px){.ed-livefeed{grid-column:auto}}
@media(max-width:640px){.ed-feed-list{height:176px}.ed-clock{font-size:13px;padding:4px 8px}}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .container{padding:0 28px}
  .nav{padding:14px 28px}
  .nav-toggle{display:block}
  .nav-links{position:fixed;top:64px;right:0;width:min(300px,82vw);height:calc(100vh - 64px);background:rgba(8,18,36,.98);backdrop-filter:blur(18px);flex-direction:column;align-items:flex-start;gap:8px;padding:28px 26px;transform:translateX(105%);transition:transform .35s;border-left:1px solid var(--border);overflow-y:auto}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{width:100%;padding:10px 4px;font-size:16px}
  .nav-links a.nav-cta{text-align:center;margin-top:10px}
  .hero-content{flex-direction:column;text-align:center;padding-top:40px}
  .hero-left{max-width:100%}
  .hero-subtitle{margin-left:auto;margin-right:auto}
  .hero-stats{justify-content:center}
  .hero-cta{justify-content:center}
  .feature-grid,.split,.contact-grid{grid-template-columns:1fr}
  .feature-grid-3,.scene-grid,.case-grid,.price-grid{grid-template-columns:1fr 1fr}
  .feature-grid-4,.flow-steps,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .ed-strip{grid-template-columns:repeat(3,1fr)}
  .ed-kpis{grid-template-columns:repeat(3,1fr)}
  .ed-grid{grid-template-columns:1fr!important}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-title{font-size:40px}
  .about-features{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{padding:0 20px}
  .hero{min-height:auto;padding:120px 0 70px}
  .hero-title{font-size:31px}
  .hero-subtitle{font-size:16px}
  .hero-stats{flex-wrap:wrap;gap:26px}
  .hero-cta{flex-direction:column;width:100%}
  .hero-cta .btn{justify-content:center}
  .section{padding:64px 0}
  .section-title{font-size:27px}
  .page-hero{padding:130px 0 64px}
  .page-title{font-size:31px}
  .feature-grid,.feature-grid-3,.feature-grid-4,.flow-steps,.scene-grid,.case-grid,.price-grid,.stats-grid,.footer-grid{grid-template-columns:1fr}
  .ed-strip{grid-template-columns:repeat(2,1fr)}
  .ed-kpis{grid-template-columns:repeat(2,1fr)}
  .ed-title{font-size:29px}
  .ed-bar{grid-template-columns:66px 1fr 46px}
  .ed-toolbar{justify-content:center;text-align:center}
  .cta-title{font-size:29px}
  .lead h3{font-size:25px}
  .about-features{grid-template-columns:1fr}
  .contact-methods{flex-direction:column}
  .spec-table th,.spec-table td{padding:13px 14px;font-size:13.5px}
}