/* ============================================================
   母狗(161922.cn) - 原创赛博朋克风格样式表
   配色：霓虹蓝 #00F0FF / 电光紫 #BD00FF / 荧光绿 #39FF14 / 霓虹粉 #FF2D78
   ============================================================ */

/* === CSS变量 === */
:root {
  --cy-neon: #00F0FF;
  --cy-purple: #BD00FF;
  --cy-green: #39FF14;
  --cy-pink: #FF2D78;
  --cy-orange: #FF6B2B;
  --cy-bg-deep: #0A0E1A;
  --cy-bg-card: #111827;
  --cy-bg-card2: #1A1F35;
  --cy-border: #1E293B;
  --cy-text: #E0E7FF;
  --cy-text2: #94A3B8;
  --cy-text3: #64748B;
  --cy-radius: 12px;
  --cy-shadow: 0 4px 24px rgba(0,240,255,0.08);
  --cy-glow: 0 0 20px rgba(0,240,255,0.3);
  --cy-transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* === 重置与基础 === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',sans-serif;background:var(--cy-bg-deep);color:var(--cy-text);line-height:1.7;overflow-x:hidden}
a{color:var(--cy-neon);text-decoration:none;transition:var(--cy-transition)}
a:hover{color:var(--cy-green);text-shadow:0 0 8px rgba(57,255,20,0.5)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* === 干扰标签隐藏 === */
.dy-noise{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;opacity:0!important;pointer-events:none!important;z-index:-9999!important}

/* === 容器 === */
.dy-container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 顶部导航 === */
.dy-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,14,26,0.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,240,255,0.15);transition:var(--cy-transition)}
.dy-header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1200px;margin:0 auto;padding:0 20px}
.dy-logo{display:flex;align-items:center;gap:10px}
.dy-logo img{height:40px;width:auto}
.dy-logo-text{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,var(--cy-neon),var(--cy-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.dy-nav{display:flex;gap:6px}
.dy-nav a{padding:8px 16px;border-radius:8px;font-size:0.92rem;color:var(--cy-text2);transition:var(--cy-transition);position:relative}
.dy-nav a:hover,.dy-nav a.dy-active{color:var(--cy-neon);background:rgba(0,240,255,0.08)}
.dy-nav a.dy-active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--cy-neon);border-radius:1px;box-shadow:0 0 8px var(--cy-neon)}
.dy-menu-btn{display:none;background:none;border:none;color:var(--cy-neon);font-size:1.5rem;cursor:pointer}

/* === 搜索框 === */
.dy-search-bar{background:var(--cy-bg-card);border-bottom:1px solid var(--cy-border);padding:12px 0;margin-top:68px}
.dy-search-wrap{display:flex;max-width:600px;margin:0 auto;gap:8px;padding:0 20px}
.dy-search-input{flex:1;padding:10px 18px;background:var(--cy-bg-deep);border:1px solid var(--cy-border);border-radius:24px;color:var(--cy-text);font-size:0.95rem;outline:none;transition:var(--cy-transition)}
.dy-search-input:focus{border-color:var(--cy-neon);box-shadow:0 0 12px rgba(0,240,255,0.2)}
.dy-search-input::placeholder{color:var(--cy-text3)}
.dy-search-btn{padding:10px 24px;background:linear-gradient(135deg,var(--cy-neon),var(--cy-purple));border:none;border-radius:24px;color:#fff;font-size:0.95rem;cursor:pointer;transition:var(--cy-transition);white-space:nowrap}
.dy-search-btn:hover{box-shadow:var(--cy-glow);transform:translateY(-1px)}

/* === Hero Banner === */
.dy-hero{position:relative;min-height:480px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:0}
.dy-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.dy-hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,26,0.7) 0%,rgba(10,14,26,0.85) 60%,var(--cy-bg-deep) 100%)}
.dy-hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:60px 20px}
.dy-hero-content h1{font-size:2.8rem;font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,var(--cy-neon),var(--cy-purple),var(--cy-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:none;line-height:1.3}
.dy-hero-content h1 span{display:block;font-size:1.1rem;font-weight:400;-webkit-text-fill-color:var(--cy-text2);margin-top:8px}
.dy-hero-desc{font-size:1.05rem;color:var(--cy-text2);line-height:1.8;margin-bottom:28px}
.dy-hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.dy-hero-tags span{padding:6px 16px;background:rgba(0,240,255,0.1);border:1px solid rgba(0,240,255,0.25);border-radius:20px;font-size:0.85rem;color:var(--cy-neon)}

/* === 通用区块 === */
.dy-section{padding:60px 0}
.dy-section-alt{background:var(--cy-bg-card)}
.dy-section-title{text-align:center;margin-bottom:40px}
.dy-section-title h2{font-size:1.8rem;font-weight:700;margin-bottom:10px;position:relative;display:inline-block}
.dy-section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,var(--cy-neon),var(--cy-purple));margin:10px auto 0;border-radius:2px}
.dy-section-title p{color:var(--cy-text2);font-size:0.95rem;margin-top:8px}

/* === 视频卡片网格 === */
.dy-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dy-video-card{background:var(--cy-bg-card2);border-radius:var(--cy-radius);overflow:hidden;border:1px solid var(--cy-border);transition:var(--cy-transition);cursor:pointer;position:relative}
.dy-video-card:hover{transform:translateY(-6px);border-color:rgba(0,240,255,0.4);box-shadow:var(--cy-shadow)}
.dy-video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#0D1117}
.dy-video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:var(--cy-transition)}
.dy-video-card:hover .dy-video-thumb img{transform:scale(1.05)}
.dy-video-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0.8);width:56px;height:56px;background:rgba(0,240,255,0.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--cy-transition);box-shadow:0 0 30px rgba(0,240,255,0.5)}
.dy-video-play::after{content:'';width:0;height:0;border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.dy-video-card:hover .dy-video-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.dy-video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:0.78rem}
.dy-video-info{padding:14px}
.dy-video-info h3{font-size:0.95rem;font-weight:600;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.dy-video-meta{display:flex;gap:12px;color:var(--cy-text3);font-size:0.8rem}
.dy-video-meta span{display:flex;align-items:center;gap:3px}

/* === 特色模块网格 === */
.dy-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dy-feature-card{background:var(--cy-bg-card2);border-radius:var(--cy-radius);padding:28px;border:1px solid var(--cy-border);transition:var(--cy-transition);text-align:center}
.dy-feature-card:hover{border-color:rgba(0,240,255,0.3);box-shadow:var(--cy-shadow);transform:translateY(-4px)}
.dy-feature-icon{width:56px;height:56px;margin:0 auto 16px;background:linear-gradient(135deg,rgba(0,240,255,0.15),rgba(189,0,255,0.15));border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.dy-feature-card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.dy-feature-card p{color:var(--cy-text2);font-size:0.88rem;line-height:1.6}

/* === 专家展示 === */
.dy-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.dy-expert-card{background:var(--cy-bg-card2);border-radius:var(--cy-radius);overflow:hidden;border:1px solid var(--cy-border);text-align:center;transition:var(--cy-transition)}
.dy-expert-card:hover{border-color:rgba(189,0,255,0.4);box-shadow:0 4px 24px rgba(189,0,255,0.1)}
.dy-expert-avatar{width:100px;height:100px;border-radius:50%;margin:24px auto 12px;border:3px solid var(--cy-purple);object-fit:cover;box-shadow:0 0 20px rgba(189,0,255,0.3)}
.dy-expert-card h4{font-size:1rem;font-weight:600;margin-bottom:4px}
.dy-expert-card .dy-expert-role{color:var(--cy-neon);font-size:0.82rem;margin-bottom:8px}
.dy-expert-card p{color:var(--cy-text2);font-size:0.85rem;padding:0 16px;line-height:1.5}
.dy-expert-actions{display:flex;gap:8px;justify-content:center;padding:16px}
.dy-expert-actions a{padding:6px 14px;border-radius:6px;font-size:0.8rem;border:1px solid var(--cy-border);color:var(--cy-text2);transition:var(--cy-transition)}
.dy-expert-actions a:hover{border-color:var(--cy-neon);color:var(--cy-neon)}

/* === 用户评价 === */
.dy-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dy-review-card{background:var(--cy-bg-card2);border-radius:var(--cy-radius);padding:24px;border:1px solid var(--cy-border)}
.dy-review-stars{color:var(--cy-orange);font-size:0.9rem;margin-bottom:10px}
.dy-review-card blockquote{color:var(--cy-text2);font-size:0.9rem;line-height:1.6;margin-bottom:12px;font-style:italic}
.dy-review-author{font-size:0.85rem;color:var(--cy-text3)}
.dy-review-author strong{color:var(--cy-text);font-weight:600}

/* === FAQ === */
.dy-faq-list{max-width:800px;margin:0 auto}
.dy-faq-item{background:var(--cy-bg-card2);border-radius:var(--cy-radius);margin-bottom:12px;border:1px solid var(--cy-border);overflow:hidden}
.dy-faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:0.95rem;transition:var(--cy-transition)}
.dy-faq-q:hover{color:var(--cy-neon)}
.dy-faq-q::after{content:'+';font-size:1.3rem;color:var(--cy-neon);transition:var(--cy-transition);flex-shrink:0;margin-left:12px}
.dy-faq-item.dy-open .dy-faq-q::after{content:'-';transform:rotate(180deg)}
.dy-faq-a{max-height:0;overflow:hidden;transition:max-height 0.35s ease;padding:0 24px}
.dy-faq-item.dy-open .dy-faq-a{max-height:300px;padding:0 24px 18px}
.dy-faq-a p{color:var(--cy-text2);font-size:0.9rem;line-height:1.7}

/* === 联系我们 === */
.dy-contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:start}
.dy-contact-info{background:var(--cy-bg-card2);border-radius:var(--cy-radius);padding:30px;border:1px solid var(--cy-border)}
.dy-contact-info h3{font-size:1.15rem;margin-bottom:16px;color:var(--cy-neon)}
.dy-contact-item{display:flex;gap:12px;margin-bottom:14px;align-items:flex-start}
.dy-contact-item .dy-ci-label{color:var(--cy-text3);font-size:0.88rem;min-width:80px}
.dy-contact-item .dy-ci-value{color:var(--cy-text);font-size:0.92rem}
.dy-qr-grid{display:flex;gap:20px;flex-wrap:wrap}
.dy-qr-item{text-align:center}
.dy-qr-item img{width:120px;height:120px;border-radius:8px;border:1px solid var(--cy-border);margin-bottom:6px}
.dy-qr-item p{font-size:0.8rem;color:var(--cy-text3)}

/* === 面包屑 === */
.dy-breadcrumb{padding:14px 0;font-size:0.85rem;color:var(--cy-text3)}
.dy-breadcrumb a{color:var(--cy-text3)}
.dy-breadcrumb a:hover{color:var(--cy-neon)}

/* === 内页Hero === */
.dy-page-hero{background:linear-gradient(135deg,var(--cy-bg-card) 0%,var(--cy-bg-deep) 100%);padding:50px 0 30px;margin-top:68px;text-align:center;border-bottom:1px solid var(--cy-border)}
.dy-page-hero h1{font-size:2rem;font-weight:700;margin-bottom:8px}
.dy-page-hero p{color:var(--cy-text2);font-size:0.95rem}

/* === 页脚 === */
.dy-footer{background:var(--cy-bg-card);border-top:1px solid var(--cy-border);padding:40px 0 20px}
.dy-footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.dy-footer-brand p{color:var(--cy-text2);font-size:0.88rem;line-height:1.6;margin-top:12px}
.dy-footer-links h5{font-size:0.95rem;font-weight:600;margin-bottom:12px;color:var(--cy-text)}
.dy-footer-links ul li{margin-bottom:6px}
.dy-footer-links ul li a{color:var(--cy-text3);font-size:0.85rem}
.dy-footer-links ul li a:hover{color:var(--cy-neon)}
.dy-footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--cy-border);color:var(--cy-text3);font-size:0.82rem}
.dy-footer-bottom a{color:var(--cy-text3)}

/* === 标签云 === */
.dy-tag-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}
.dy-tag-cloud a{padding:5px 14px;background:rgba(0,240,255,0.06);border:1px solid rgba(0,240,255,0.15);border-radius:16px;font-size:0.82rem;color:var(--cy-text2);transition:var(--cy-transition)}
.dy-tag-cloud a:hover{background:rgba(0,240,255,0.15);color:var(--cy-neon);border-color:var(--cy-neon)}

/* === 社交分享 === */
.dy-share{display:flex;gap:10px;justify-content:center;margin-top:20px}
.dy-share a{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.85rem;border:1px solid var(--cy-border);color:var(--cy-text2);transition:var(--cy-transition)}
.dy-share a:hover{border-color:var(--cy-neon);color:var(--cy-neon);box-shadow:0 0 12px rgba(0,240,255,0.3)}

/* === 内容文章 === */
.dy-article{max-width:900px;margin:0 auto;padding:30px 0}
.dy-article h2{font-size:1.4rem;font-weight:700;margin:28px 0 14px;padding-left:14px;border-left:3px solid var(--cy-neon)}
.dy-article h3{font-size:1.15rem;font-weight:600;margin:20px 0 10px}
.dy-article p{color:var(--cy-text2);font-size:0.95rem;line-height:1.8;margin-bottom:14px}

/* === 响应式 === */
@media(max-width:1024px){
  .dy-video-grid{grid-template-columns:repeat(3,1fr)}
  .dy-expert-grid{grid-template-columns:repeat(2,1fr)}
  .dy-footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .dy-video-grid{grid-template-columns:repeat(2,1fr)}
  .dy-feature-grid{grid-template-columns:1fr}
  .dy-review-grid{grid-template-columns:1fr}
  .dy-contact-grid{grid-template-columns:1fr}
  .dy-nav{display:none;position:absolute;top:68px;left:0;width:100%;background:rgba(10,14,26,0.98);flex-direction:column;padding:16px;border-bottom:1px solid var(--cy-border)}
  .dy-nav.dy-nav-open{display:flex}
  .dy-menu-btn{display:block}
  .dy-hero-content h1{font-size:1.8rem}
  .dy-section{padding:40px 0}
  .dy-footer-inner{grid-template-columns:1fr}
  .dy-expert-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .dy-video-grid{grid-template-columns:1fr}
  .dy-hero{min-height:360px}
  .dy-hero-content h1{font-size:1.5rem}
}

/* === 懒加载占位 === */
.dy-lazy{opacity:0;transition:opacity 0.5s ease}
.dy-lazy.dy-loaded{opacity:1}

/* === 动画 === */
@keyframes dyGlow{0%,100%{box-shadow:0 0 5px rgba(0,240,255,0.3)}50%{box-shadow:0 0 20px rgba(0,240,255,0.6)}}
.dy-glow-anim{animation:dyGlow 2s ease-in-out infinite}