/* =========================================================
   组件  components.css
   ========================================================= */

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 30px;border-radius:var(--r-full);font-size:15px;font-weight:600;letter-spacing:1px;transition:transform .25s,box-shadow .25s,background .25s;position:relative;overflow:hidden}
.btn .btn-icon{font-size:13px;opacity:.9}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#03101a;box-shadow:var(--glow-primary)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(0,212,255,.55)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#b14cff);color:#fff;box-shadow:0 0 18px rgba(124,77,255,.4)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(124,77,255,.6)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-1)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary);box-shadow:var(--glow-primary)}
.btn-lg{padding:16px 40px;font-size:16px}
.btn-block{width:100%;margin-top:18px}

/* ---------- 滚动公告 ---------- */
.hero-marquee{display:flex;align-items:center;gap:14px;margin:26px 0;background:rgba(0,212,255,.06);border:1px solid var(--line);border-radius:var(--r-full);padding:11px 22px;max-width:660px;overflow:hidden}
.marquee-label{flex:0 0 auto;font-size:12px;letter-spacing:2px;color:#03101a;background:linear-gradient(135deg,var(--primary),var(--accent));padding:4px 12px;border-radius:var(--r-full);font-weight:700}
.marquee-track{flex:1;overflow:hidden;white-space:nowrap}
.marquee-track p{display:inline-block;padding-left:100%;animation:marquee 22s linear infinite;font-size:14px;color:var(--text-2)}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-100%)}}

/* ---------- 标签 chip ---------- */
.chip{display:inline-block;padding:7px 16px;border-radius:var(--r-full);border:1px solid var(--line);color:var(--text-1);font-size:13px;letter-spacing:1px;background:rgba(255,255,255,.03)}
.chip-ghost{color:var(--text-3);border-color:var(--line-soft)}

/* ---------- 功能卡片 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.feature-card{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1.5px solid var(--block-cards-frame,var(--line));border-radius:var(--r-lg);padding:34px 32px;overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;box-shadow:0 0 22px -8px var(--block-cards-frame,transparent),0 20px 50px rgba(0,0,0,.35)}
.feature-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity .3s}
.feature-card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:0 0 30px -6px var(--block-cards-frame,transparent),0 20px 50px rgba(0,0,0,.45),var(--glow-primary)}
.feature-card:hover::before{opacity:1}
/* 外框左上角标记（圆点 + 短线） */
.feature-card .frame-dot{position:absolute;top:14px;left:16px;width:11px;height:11px;border-radius:50%;background:var(--block-cards-frame,var(--primary));box-shadow:0 0 10px var(--block-cards-frame,var(--primary))}
.feature-card .frame-tick{position:absolute;top:36px;left:16px;width:28px;height:3px;background:var(--block-cards-frame,var(--primary));opacity:.85;transform:rotate(35deg);transform-origin:left center}
.card-corner{position:absolute;top:18px;right:18px;width:14px;height:14px;border-top:2px solid var(--primary);border-right:2px solid var(--primary);opacity:.6}
.feature-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:22px}
.feature-num{font-family:"Consolas",monospace;font-size:13px;color:var(--primary);border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 9px;flex:0 0 auto;letter-spacing:1px}
.feature-card h3{font-size:19px;color:var(--text-1);line-height:1.4}
.feature-points{display:grid;gap:13px}
.feature-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--text-2)}
.li-bullet{flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.feature-note{margin-top:24px;padding-top:18px;border-top:1px dashed var(--line);color:var(--text-3);font-size:13px;line-height:1.8}

/* ---------- 特点行 ---------- */
.intro-row{display:flex;gap:40px;align-items:flex-start;padding:40px 36px;border:1.5px solid var(--block-intro-frame,var(--line));border-radius:var(--r-lg);position:relative;margin-bottom:26px;background:linear-gradient(160deg,rgba(255,255,255,.035),rgba(255,255,255,.012));box-shadow:0 0 22px -8px var(--block-intro-frame,transparent),0 14px 40px rgba(0,0,0,.28);transition:transform .3s,box-shadow .3s,border-color .3s}
.intro-row:last-child{margin-bottom:0}
.intro-row:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 0 30px -6px var(--block-intro-frame,transparent),0 18px 46px rgba(0,0,0,.35),var(--glow-primary)}
.intro-row::after{content:"";position:absolute;top:-1px;left:-1px;width:32px;height:32px;border-top:3px solid var(--block-intro-frame,var(--primary));border-left:3px solid var(--block-intro-frame,var(--primary));border-top-left-radius:var(--r-lg);pointer-events:none}
.intro-row .intro-dot{position:absolute;bottom:20px;right:22px;width:11px;height:11px;border-radius:50%;background:var(--block-intro-frame,var(--primary));box-shadow:0 0 10px var(--block-intro-frame,var(--primary))}
.intro-row.right{flex-direction:row-reverse}
.intro-icon{flex:0 0 96px;height:96px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-md);background:rgba(0,212,255,.06);border:1px solid var(--line)}
.icon-glyph{width:44px;height:44px;position:relative}
.icon-auto::before,.icon-auto::after,.icon-detect::before,.icon-detect::after,.icon-audience::before,.icon-audience::after{content:"";position:absolute;border:2px solid var(--primary);border-radius:50%}
.icon-auto::before{inset:0;border-top-color:transparent;animation:spin 3s linear infinite}
.icon-auto::after{inset:9px;border-bottom-color:transparent;animation:spin 2s linear infinite reverse}
.icon-detect::before{inset:4px;border-radius:2px;transform:rotate(45deg);box-shadow:0 0 0 2px var(--accent);border-color:var(--accent)}
.icon-detect::after{inset:15px;border-radius:50%;background:var(--primary);border:0;box-shadow:0 0 10px var(--primary)}
.icon-audience::before{inset:0;border-radius:50%;background:var(--accent);border:0;opacity:.25}
.icon-audience::after{inset:12px;border-radius:50%;background:var(--primary);border:0;box-shadow:0 0 12px var(--primary)}
.intro-body{flex:1}
.intro-title{font-size:22px;color:var(--text-1);margin-bottom:14px}
.intro-lines{display:grid;gap:10px;max-width:720px}
.intro-lines p{font-size:15px;color:var(--text-2);line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{margin-top:20px}
.cta-inner{text-align:center;background:linear-gradient(150deg,rgba(0,212,255,.10),rgba(124,77,255,.10));border:1px solid var(--line);border-radius:var(--r-lg);padding:64px 32px;position:relative;overflow:hidden}
.cta-inner::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 20%,rgba(0,212,255,.15),transparent 40%),radial-gradient(circle at 80% 80%,rgba(124,77,255,.15),transparent 40%)}
.cta-title{font-size:28px;color:var(--text-1);position:relative}
.cta-sub{color:var(--text-2);margin:14px 0 30px;position:relative}
.cta-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;position:relative}

/* ---------- 页头(子页) ---------- */
.page-hero{padding:70px 0 30px;text-align:center}
.page-title{font-size:32px;color:var(--text-1);letter-spacing:1px}
.page-title .accent{color:var(--primary);font-family:"Consolas",monospace;font-size:15px;letter-spacing:3px}
.page-sub{color:var(--text-3);margin-top:12px;letter-spacing:2px;font-size:14px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .3s}
.faq-item.open{border-color:var(--primary)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:19px 22px;text-align:left;transition:background .3s}
.faq-q:hover{background:rgba(0,212,255,.04)}
.faq-index{font-family:"Consolas",monospace;color:var(--primary);font-size:13px;letter-spacing:1px;flex:0 0 auto}
.faq-qtext{flex:1;font-size:16px;color:var(--text-1)}
.faq-arrow{flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform .3s;margin-right:6px}
.faq-item.open .faq-arrow{transform:rotate(-135deg)}
.faq-a{overflow:hidden}
.faq-a-inner{padding:6px 22px 24px 60px;color:var(--text-2);font-size:14.5px;line-height:1.9}
.faq-a-inner p{margin-bottom:14px}
.faq-a-inner p:last-child{margin-bottom:0}
.faq-img{margin:6px 0 16px}
.faq-img img{border-radius:var(--r-md);border:1px solid var(--line);margin:0 auto}

/* ---------- 联系条 ---------- */
.contact-strip{display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:center;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px}
.contact-strip-item{display:flex;flex-direction:column;gap:6px}
.strip-label{font-size:12px;letter-spacing:2px;color:var(--text-3)}
.strip-value{font-size:16px;color:var(--text-1);font-family:"Consolas","Microsoft YaHei",monospace}

/* ---------- 客服卡片 ---------- */
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.support-card{background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 30px;text-align:center;transition:transform .3s,border-color .3s,box-shadow .3s}
.support-card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:var(--glow-primary)}
.support-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;background:rgba(0,212,255,.08);border:1px solid var(--line);position:relative}
.support-icon::before{content:"";position:absolute;inset:14px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 14px var(--primary)}
.support-title{font-size:19px;color:var(--text-1)}
.support-qq{font-family:"Consolas",monospace;color:var(--primary);margin-top:10px;font-size:18px}
.support-desc{color:var(--text-3);font-size:13px;margin-top:8px}
.contact-notice{margin-top:44px;background:rgba(255,255,255,.03);border:1px dashed var(--line);border-radius:var(--r-md);padding:28px 32px}
.notice-title{font-size:17px;color:var(--text-1);margin-bottom:16px}
.notice-list{display:grid;gap:10px}
.notice-list li{color:var(--text-2);font-size:14.5px;padding-left:18px;position:relative}
.notice-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}

/* ---------- 下载卡片 ---------- */
.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.download-card{background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.download-card:hover{transform:translateY(-5px);border-color:var(--primary);box-shadow:var(--glow-primary)}
.download-head{display:flex;align-items:center;gap:14px;padding:26px 28px;border-bottom:1px solid var(--line-soft)}
.download-num{font-family:"Consolas",monospace;color:var(--primary);font-size:13px;border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 9px}
.download-head h3{font-size:18px;color:var(--text-1)}
.download-body{padding:26px 28px}
.download-list{display:grid;gap:16px}
.download-list li{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;font-size:15px}
.dl-label{color:var(--text-2)}
.dl-link{color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.dl-link:hover{gap:10px;text-shadow:0 0 8px var(--primary)}
.dl-arrow{font-size:12px}
.download-note{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);color:var(--text-3);font-size:13px;line-height:1.8}

/* ---------- 视频 ---------- */
.video-block{margin-bottom:44px}
.video-title{display:flex;align-items:center;gap:16px;font-size:19px;color:var(--text-1);margin-bottom:18px}
.video-index{font-family:"Consolas",monospace;font-size:12px;color:var(--primary);letter-spacing:2px;border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 10px}
.video-wrap{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--glow-soft);background:#000}
.video-wrap video{width:100%;display:block}
.video-wrap .play-icon{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:86px;height:86px;background:rgba(0,212,255,.25);border-radius:50%;cursor:pointer;z-index:2;border:1px solid rgba(0,212,255,.6);box-shadow:0 0 30px rgba(0,212,255,.4);transition:transform .3s,background .3s}
.video-wrap .play-icon::after{content:"";position:absolute;left:55%;top:50%;transform:translate(-50%,-50%);border:16px solid transparent;border-left:26px solid #fff}
.video-wrap .play-icon:hover{transform:translate(-50%,-50%) scale(1.08);background:rgba(0,212,255,.4)}
.video-caption{color:var(--text-3);text-align:center;margin-top:16px;font-size:14px;letter-spacing:1px}

/* ---------- 404 ---------- */
.section-404{text-align:center;padding:120px 0}
.err-code{font-size:120px;font-weight:800;font-family:"Consolas",monospace;color:transparent;-webkit-text-stroke:2px var(--primary);line-height:1;text-shadow:0 0 40px rgba(0,212,255,.3)}
.err-title{font-size:24px;color:var(--text-1);margin-top:8px}
.err-desc{color:var(--text-3);margin:16px 0 30px}
.err-actions{display:flex;gap:16px;justify-content:center}

/* ---------- 客服悬浮 & 合作弹窗 & 浮窗按钮 ---------- */
.kf-float{position:fixed;right:24px;bottom:96px;z-index:90;display:flex;align-items:center;gap:10px;padding:11px 20px 11px 12px;border-radius:var(--r-full);background:linear-gradient(160deg,var(--nav-bg,rgba(10,16,32,.85)),rgba(10,16,32,.6));border:1px solid var(--line);backdrop-filter:blur(var(--nav-blur,14px));-webkit-backdrop-filter:blur(var(--nav-blur,14px));transition:transform .3s,box-shadow .3s,border-color .3s;color:var(--text-1);box-shadow:var(--glow-soft)}
.kf-float:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--glow-primary);color:var(--primary)}
.kf-float-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#03101a;font-weight:800;font-size:12px;letter-spacing:0;font-family:"Consolas",monospace;box-shadow:0 0 12px rgba(0,212,255,.35);flex:0 0 auto}
.kf-float-text{font-size:14px;letter-spacing:1px;white-space:nowrap;font-weight:600}
@media (max-width:760px){
    .kf-float{right:14px;bottom:74px;padding:10px 16px 10px 10px}
    .kf-float-text{display:none}
    .kf-float-icon{width:42px;height:42px;font-size:13px}
}

.pop-mask{display:none;position:fixed;inset:0;background:rgba(3,6,14,.7);backdrop-filter:blur(4px);z-index:9999;align-items:center;justify-content:center;padding:20px}
.pop-mask.show{display:flex}
.pop-box{width:min(560px,100%);background:linear-gradient(165deg,var(--bg-2),var(--bg-1));border:1px solid var(--line);border-radius:var(--r-lg);padding:38px 34px 30px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.6),var(--glow-primary);animation:popIn .35s ease}
.pop-box::before{content:"";display:block;width:60px;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;margin:0 auto 20px}
.pop-box h3{font-size:20px;color:var(--text-1);text-align:center;margin-bottom:18px;line-height:1.5}
.pop-box p{font-size:14px;color:var(--text-2);line-height:1.9;text-align:justify;margin-bottom:10px}
.pop-box p strong{color:var(--primary)}
.pop-close{position:absolute;top:14px;right:16px;width:30px;height:30px;line-height:28px;text-align:center;font-size:20px;color:var(--text-3);background:rgba(255,255,255,.06);border-radius:50%;cursor:pointer;transition:all .25s}
.pop-close:hover{color:#fff;background:var(--accent);transform:rotate(90deg)}
.pop-tip{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--primary);text-align:center}
.pop-know-btn{display:block;width:200px;height:46px;line-height:46px;margin:24px auto 0;padding:0;border-radius:46px;cursor:pointer;font-size:16px;font-weight:700;color:#03101a;letter-spacing:3px;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:var(--glow-primary);transition:transform .25s,box-shadow .25s}
.pop-know-btn:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(0,212,255,.6)}
.float-pop-btn{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:95;width:58px;background:linear-gradient(180deg,var(--primary),var(--accent));color:#03101a;text-align:center;line-height:24px;font-size:14px;font-weight:700;border-radius:12px;cursor:pointer;padding:16px 8px;box-shadow:var(--glow-primary);border:1px solid rgba(255,255,255,.3);letter-spacing:2px;transition:transform .3s,box-shadow .3s}
.float-pop-btn:hover{transform:translateY(-50%) scale(1.06);box-shadow:0 0 34px rgba(0,212,255,.65)}

@keyframes popIn{from{opacity:0;transform:scale(.92) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}