/* =====================================================
   在线看片 游戏解说视频社区 - 原创样式
   Domain: hnxasm.cn | Brand: 在线看片
   原创配色：深空黑 + 电竞橙 + 霓虹蓝
   ===================================================== */

/* ---- 变量 ---- */
:root {
  --primary:    #FF6B35;   /* 电竞橙 */
  --secondary:  #00D4FF;   /* 霓虹蓝 */
  --accent:     #FFD700;   /* 金色 */
  --dark:       #0A0E1A;   /* 深空黑 */
  --dark2:      #111827;   /* 次深黑 */
  --dark3:      #1C2333;   /* 卡片黑 */
  --dark4:      #243044;   /* 边框深蓝 */
  --text:       #E8EDF5;   /* 主文字 */
  --text-sub:   #8A9BB8;   /* 次文字 */
  --border:     rgba(0,212,255,0.15);
  --radius:     10px;
  --radius-lg:  16px;
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
  --glow-o:     0 0 20px rgba(255,107,53,0.4);
  --glow-b:     0 0 20px rgba(0,212,255,0.3);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- 重置 ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei',sans-serif;background:var(--dark);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none}

/* ---- 滚动条 ---- */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--dark2)}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}

/* ---- 通用容器 ---- */
.container{max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section-alt{background:var(--dark2)}

/* ---- Section Header ---- */
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;padding:4px 14px;background:rgba(255,107,53,0.15);border:1px solid rgba(255,107,53,0.4);border-radius:20px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.section-header h2{font-size:clamp(22px,4vw,34px);font-weight:800;color:var(--text);margin-bottom:12px;line-height:1.3}
.section-header h2 span{color:var(--primary)}
.section-header p{font-size:15px;color:var(--text-sub);max-width:600px;margin:0 auto}

/* ---- 按钮 ---- */
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:linear-gradient(135deg,var(--primary),#FF4500);color:#fff;font-size:15px;font-weight:700;border-radius:var(--radius);box-shadow:var(--glow-o);transition:var(--transition)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(255,107,53,0.5)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:11px 26px;border:1.5px solid var(--secondary);color:var(--secondary);font-size:15px;font-weight:600;border-radius:var(--radius);transition:var(--transition)}
.btn-outline:hover{background:rgba(0,212,255,0.1);box-shadow:var(--glow-b)}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:7px}

/* ====================================================
   导航栏
   ==================================================== */
.main-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,14,26,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:var(--transition)}
.main-header.scrolled{background:rgba(10,14,26,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.6)}
.header-inner{display:flex;align-items:center;height:64px;gap:20px}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:36px;height:36px;border-radius:8px;object-fit:contain}
.logo-img{height:36px;width:auto;object-fit:contain}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.main-nav a{padding:6px 13px;font-size:14px;font-weight:500;color:var(--text-sub);border-radius:7px;transition:var(--transition);white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--primary);background:rgba(255,107,53,0.1)}
/* 搜索框 */
.search-wrap{position:relative;margin-left:auto}
.search-input{width:200px;padding:7px 36px 7px 14px;background:var(--dark3);border:1.5px solid var(--border);border-radius:20px;color:var(--text);font-size:13px;outline:none;transition:var(--transition)}
.search-input:focus{border-color:var(--secondary);width:240px;box-shadow:var(--glow-b)}
.search-input::placeholder{color:var(--text-sub)}
.search-btn-icon{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--text-sub);font-size:15px;pointer-events:none}
.search-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:280px;background:var(--dark3);border:1px solid var(--border);border-radius:var(--radius);padding:12px;display:none;z-index:100;box-shadow:var(--shadow)}
.search-dropdown.show{display:block}
.search-hot-title{font-size:12px;color:var(--text-sub);margin-bottom:8px}
.search-hot-tags{display:flex;flex-wrap:wrap;gap:6px}
.search-hot-tags span{padding:3px 10px;background:var(--dark4);border-radius:12px;font-size:12px;color:var(--text-sub);cursor:pointer;transition:var(--transition)}
.search-hot-tags span:hover{color:var(--primary);border-color:var(--primary)}
/* 汉堡菜单 */
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}

/* ====================================================
   Hero Banner
   ==================================================== */
.hero-section{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding-top:64px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,14,26,0.88) 0%,rgba(10,14,26,0.6) 50%,rgba(10,14,26,0.82) 100%)}
.hero-content{position:relative;z-index:2;max-width:680px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;background:rgba(255,107,53,0.15);border:1px solid rgba(255,107,53,0.4);border-radius:20px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:1px;margin-bottom:20px}
.hero-eyebrow .zploxdjx{width:6px;height:6px;background:var(--primary);border-radius:50%;animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.3)}}
.hero-title{font-size:clamp(32px,6vw,64px);font-weight:900;line-height:1.15;margin-bottom:16px;letter-spacing:-1px}
.hero-title .psle7thp{color:var(--primary);text-shadow:0 0 30px rgba(255,107,53,0.5)}
.hero-title .f89wxug9{color:var(--secondary)}
.hero-desc{font-size:16px;color:var(--text-sub);margin-bottom:32px;line-height:1.8;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1}
.stat-label{font-size:12px;color:var(--text-sub);margin-top:4px}
/* 右侧浮动卡片 */
.hero-float-card{position:absolute;right:5%;top:50%;transform:translateY(-50%);z-index:2;background:rgba(28,35,51,0.85);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;width:280px;box-shadow:var(--shadow)}
.float-card-title{font-size:13px;font-weight:700;color:var(--secondary);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.float-card-title::before{content:'';width:8px;height:8px;background:var(--secondary);border-radius:50%;animation:pulse 1.5s infinite}
.float-video-list{display:flex;flex-direction:column;gap:10px}
.float-video-item{display:flex;gap:10px;align-items:center;padding:8px;border-radius:8px;transition:var(--transition);cursor:pointer}
.float-video-item:hover{background:rgba(255,107,53,0.1)}
.float-thumb{width:56px;height:36px;border-radius:6px;object-fit:cover;flex-shrink:0}
.float-info{flex:1;min-width:0}
.float-info h5{font-size:12px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.float-info span{font-size:11px;color:var(--text-sub)}

/* ====================================================
   视频卡片
   ==================================================== */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:var(--dark3);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,0.4);box-shadow:var(--glow-o)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0);transition:var(--transition)}
.video-card:hover .play-overlay{background:rgba(0,0,0,0.45)}
.play-btn{width:52px;height:52px;background:rgba(255,107,53,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0.7);transition:var(--transition)}
.video-card:hover .play-btn{opacity:1;transform:scale(1)}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:11px;font-weight:600;padding:2px 7px;border-radius:4px}
.video-cat{position:absolute;top:8px;left:8px;background:var(--primary);color:#fff;font-size:10px;font-weight:700;padding:2px 8px;border-radius:4px}
.video-info{padding:12px}
.video-info h3{font-size:14px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:12px;color:var(--text-sub)}
.video-meta span{display:flex;align-items:center;gap:3px}

/* ====================================================
   游戏分区卡片
   ==================================================== */
.game-zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.game-zone-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/9;cursor:pointer;transition:var(--transition)}
.game-zone-card:hover{transform:scale(1.02);box-shadow:var(--shadow)}
.game-zone-card img{width:100%;height:100%;object-fit:cover}
.game-zone-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.85) 0%,transparent 60%)}
.game-zone-info{position:absolute;bottom:0;left:0;right:0;padding:16px}
.game-zone-info h3{font-size:18px;font-weight:800;color:#fff;margin-bottom:4px}
.game-zone-info p{font-size:12px;color:rgba(255,255,255,0.7)}
.game-zone-badge{position:absolute;top:12px;right:12px;background:var(--primary);color:#fff;font-size:10px;font-weight:700;padding:3px 8px;border-radius:4px}

/* ====================================================
   AI赋能区
   ==================================================== */
.ai-section-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.ai-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden}
.ai-visual img{width:100%;border-radius:var(--radius-lg)}
.ai-glow{position:absolute;inset:-2px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--primary),var(--secondary));opacity:0.3;z-index:-1}
.ai-features{display:flex;flex-direction:column;gap:20px}
.ai-feat-item{display:flex;gap:16px;padding:16px;background:var(--dark3);border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition)}
.ai-feat-item:hover{border-color:rgba(0,212,255,0.4);box-shadow:var(--glow-b)}
.ai-feat-icon{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#FF4500);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.ai-feat-body h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px}
.ai-feat-body p{font-size:13px;color:var(--text-sub);line-height:1.6}

/* ====================================================
   专家展示
   ==================================================== */
.experts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.expert-card{background:var(--dark3);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);transition:var(--transition)}
.expert-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,0.4);box-shadow:var(--glow-o)}
.expert-cover{position:relative;aspect-ratio:4/3;overflow:hidden}
.expert-cover img{width:100%;height:100%;object-fit:cover;object-position:top}
.expert-badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-size:10px;font-weight:700;padding:3px 10px;border-radius:12px}
.expert-body{padding:16px}
.expert-name{font-size:17px;font-weight:800;color:var(--text);margin-bottom:2px}
.expert-title-text{font-size:12px;color:var(--secondary);margin-bottom:10px}
.expert-desc{font-size:13px;color:var(--text-sub);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.expert-awards{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.award-tag{padding:2px 8px;background:rgba(255,215,0,0.1);border:1px solid rgba(255,215,0,0.3);border-radius:4px;font-size:11px;color:var(--accent)}
.expert-actions{display:flex;gap:8px}
.expert-actions a{flex:1;text-align:center;padding:7px;border-radius:7px;font-size:12px;font-weight:600;transition:var(--transition)}
.expert-actions .btn-contact{background:rgba(255,107,53,0.15);color:var(--primary);border:1px solid rgba(255,107,53,0.3)}
.expert-actions .btn-contact:hover{background:var(--primary);color:#fff}
.expert-actions .btn-works{background:rgba(0,212,255,0.1);color:var(--secondary);border:1px solid rgba(0,212,255,0.2)}
.expert-actions .btn-works:hover{background:var(--secondary);color:var(--dark)}

/* ====================================================
   社区功能
   ==================================================== */
.community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.community-card{background:var(--dark3);border-radius:var(--radius-lg);padding:24px 20px;text-align:center;border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}
.community-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.community-card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,0.3);box-shadow:var(--glow-b)}
.community-icon{font-size:36px;margin-bottom:12px;display:block}
.community-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.community-card p{font-size:13px;color:var(--text-sub);line-height:1.6;margin-bottom:12px}
.community-count{font-size:12px;font-weight:700;color:var(--primary)}

/* ====================================================
   合作品牌
   ==================================================== */
.partners-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.partner-item{padding:10px 20px;background:var(--dark3);border:1px solid var(--border);border-radius:var(--radius);font-size:13px;font-weight:600;color:var(--text-sub);transition:var(--transition)}
.partner-item:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,107,53,0.08)}

/* ====================================================
   How-To步骤
   ==================================================== */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.howto-steps::before{content:'';position:absolute;top:28px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));z-index:0}
.step-item{text-align:center;position:relative;z-index:1}
.step-num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#FF4500);color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:var(--glow-o)}
.step-item h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px}
.step-item p{font-size:12px;color:var(--text-sub);line-height:1.6}

/* ====================================================
   FAQ
   ==================================================== */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--dark3);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.faq-item.open{border-color:rgba(255,107,53,0.4)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer;font-size:15px;font-weight:600;color:var(--text);gap:12px}
.faq-question:hover{color:var(--primary)}
.faq-toggle{width:24px;height:24px;border-radius:50%;background:rgba(255,107,53,0.15);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;transition:var(--transition)}
.faq-item.open .faq-toggle{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.35s ease,padding 0.35s ease;padding:0 20px;font-size:14px;color:var(--text-sub);line-height:1.8}
.faq-item.open .faq-answer{max-height:300px;padding:0 20px 16px}

/* ====================================================
   用户评价
   ==================================================== */
.reviews-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.review-card{background:var(--dark3);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;transition:var(--transition)}
.review-card:hover{transform:translateY(-3px);border-color:rgba(255,107,53,0.3);box-shadow:var(--glow-o)}
.review-stars{color:var(--accent);font-size:14px;margin-bottom:10px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:14px;font-style:italic}
.review-author{display:flex;align-items:center;gap:10px}
.review-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.review-name{font-size:13px;font-weight:700;color:var(--text)}
.review-date{font-size:11px;color:var(--text-sub)}

/* ====================================================
   联系我们
   ==================================================== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{background:var(--dark3);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition)}
.contact-card:hover{border-color:rgba(0,212,255,0.3);box-shadow:var(--glow-b)}
.contact-icon{font-size:28px;margin-bottom:12px}
.contact-card h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:8px}
.contact-card p{font-size:13px;color:var(--text-sub);line-height:1.7}
.qr-codes{display:flex;gap:24px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;border-radius:8px;border:2px solid var(--border);margin-bottom:8px}
.qr-item p{font-size:12px;color:var(--text-sub)}

/* ====================================================
   社交分享
   ==================================================== */
.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.share-label{font-size:13px;color:var(--text-sub)}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:20px;font-size:12px;font-weight:600;transition:var(--transition);border:1px solid var(--border)}
.share-btn:hover{transform:translateY(-2px)}
.share-btn.odz518{color:#07C160;border-color:rgba(7,193,96,0.3)}
.share-btn.lpsxsxh{color:#E6162D;border-color:rgba(230,22,45,0.3)}
.share-btn.7yvxok5{color:#FE2C55;border-color:rgba(254,44,85,0.3)}
.share-btn.yqs1k{color:#00A1D6;border-color:rgba(0,161,214,0.3)}

/* ====================================================
   视频弹窗
   ==================================================== */
.video-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,0.85);backdrop-filter:blur(8px)}
.video-modal.show{display:flex}
.modal-inner{position:relative;width:90%;max-width:900px;border-radius:var(--radius-lg);overflow:hidden;background:var(--dark2);box-shadow:0 20px 60px rgba(0,0,0,0.8)}
.modal-close{position:absolute;top:12px;right:12px;z-index:10;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.15);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.modal-close:hover{background:var(--primary)}
.modal-video{width:100%;aspect-ratio:16/9;background:#000}

/* ====================================================
   页面Hero（内页）
   ==================================================== */
.page-hero{padding:100px 0 48px;background:linear-gradient(135deg,var(--dark2) 0%,var(--dark) 100%);border-bottom:1px solid var(--border);text-align:center}
.page-hero h1{font-size:clamp(24px,4vw,40px);font-weight:800;color:var(--text);margin-bottom:10px}
.page-hero p{font-size:15px;color:var(--text-sub)}
.breadcrumb{display:flex;align-items:center;gap:8px;justify-content:center;margin-top:14px;font-size:13px;color:var(--text-sub)}
.breadcrumb a{color:var(--text-sub);transition:var(--transition)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .9v0vq{color:var(--border)}

/* ====================================================
   页脚
   ==================================================== */
.main-footer{background:var(--dark2);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand h3{font-size:18px;font-weight:800;color:var(--text);margin-bottom:10px}
.footer-brand p{font-size:13px;color:var(--text-sub);line-height:1.8;margin-bottom:16px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:13px;color:var(--text-sub);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;align-items:center;justify-content:space-between;flex-wrap:gap;gap:12px}
.footer-bottom p{font-size:12px;color:var(--text-sub)}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:12px;color:var(--text-sub);transition:var(--transition)}
.footer-links a:hover{color:var(--primary)}
/* 回到顶部 */
#scrollTop{position:fixed;bottom:24px;right:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:var(--glow-o);opacity:0;transform:translateY(20px);transition:var(--transition);z-index:999;cursor:pointer}
#scrollTop.show{opacity:1;transform:translateY(0)}

/* ====================================================
   响应式
   ==================================================== */
@media (max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .game-zone-grid{grid-template-columns:repeat(2,1fr)}
  .experts-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-float-card{display:none}
  .ai-section-wrap{grid-template-columns:1fr}
  .howto-steps::before{display:none}
}
@media (max-width:768px){
  .main-nav{display:none;position:fixed;top:64px;left:0;right:0;background:var(--dark2);flex-direction:column;padding:16px;border-bottom:1px solid var(--border);gap:4px}
  .main-nav.open{display:flex}
  .nav-toggle{display:flex}
  .search-wrap{display:none}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .community-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:clamp(26px,8vw,42px)}
  .hero-stats{gap:20px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .experts-grid{grid-template-columns:1fr}
  .game-zone-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .howto-steps{grid-template-columns:1fr}
}