/* ============================================
   色虎 - 游戏解说视频社区 主样式表
   品牌色系：橙色#FF6B35 深蓝#1A1A2E 金色#F5A623
   ============================================ */

/* CSS Reset & Base */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:#333;background:#0f0f1a;line-height:1.7;overflow-x:hidden}
a{color:#FF6B35;text-decoration:none;transition:color .3s}
a:hover{color:#F5A623}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#fff}

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

/* ========== Header & Navigation ========== */
.site-header{background:linear-gradient(135deg,#1A1A2E 0%,#16213E 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:48px;width:auto}
.site-logo span{font-size:1.4rem;font-weight:800;color:#FF6B35;letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#e0e0e0;padding:12px 16px;font-size:.95rem;font-weight:500;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#FF6B35;background:rgba(255,107,53,.1);border-radius:6px}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;background:#FF6B35;transition:all .3s;transform:translateX(-50%)}
.main-nav a:hover::after{width:60%}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:rgba(255,255,255,.05);padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.search-bar .container{display:flex;justify-content:center}
.search-form{display:flex;max-width:600px;width:100%}
.search-form input{flex:1;padding:10px 18px;border:2px solid rgba(255,107,53,.3);border-right:none;border-radius:25px 0 0 25px;background:rgba(255,255,255,.08);color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-form input:focus{border-color:#FF6B35}
.search-form input::placeholder{color:rgba(255,255,255,.4)}
.search-form button{padding:10px 24px;background:linear-gradient(135deg,#FF6B35,#F5A623);border:none;border-radius:0 25px 25px 0;color:#fff;font-size:.95rem;cursor:pointer;transition:opacity .3s;font-weight:600}
.search-form button:hover{opacity:.85}

/* ========== EEAT Bar ========== */
.eeat-bar{background:rgba(255,107,53,.06);border-bottom:1px solid rgba(255,107,53,.15);padding:10px 0;font-size:.82rem;color:rgba(255,255,255,.55)}
.eeat-bar .container{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.eeat-bar .eeat-author,.eeat-bar .eeat-reviewer,.eeat-bar .eeat-date,.eeat-bar .eeat-source{display:inline-flex;align-items:center;gap:4px}
.eeat-bar a{color:#FF6B35;font-size:.82rem}

/* ========== Banner ========== */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner .banner-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;filter:brightness(.6)}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 20px;max-width:800px}
.hero-content h1{font-size:2.8rem;color:#fff;text-shadow:2px 2px 8px rgba(0,0,0,.7);margin-bottom:16px}
.hero-content h1 .brand{color:#FF6B35}
.hero-content p{font-size:1.15rem;color:rgba(255,255,255,.9);text-shadow:1px 1px 4px rgba(0,0,0,.5);margin-bottom:24px;line-height:1.8}
.hero-content .hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.hero-content .hero-tags span{background:rgba(255,107,53,.2);border:1px solid rgba(255,107,53,.4);color:#FF6B35;padding:6px 16px;border-radius:20px;font-size:.85rem}
.hero-btn{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,#FF6B35,#F5A623);color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;margin-top:20px;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(255,107,53,.4);color:#fff}

/* ========== Section Common ========== */
.section{padding:60px 0}
.section-dark{background:#0f0f1a}
.section-alt{background:#151528}
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:2rem;color:#fff;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#FF6B35,#F5A623);margin:12px auto 0}
.section-title p{color:rgba(255,255,255,.6);font-size:1rem;margin-top:8px}
.section-title h6{font-size:1.1rem;color:rgba(255,255,255,.7);margin-bottom:8px}

/* Sub Section Title */
.sub-section-title{color:#F5A623;font-size:1.25rem;margin:30px 0 20px;padding-left:14px;border-left:3px solid #FF6B35}

/* ========== Video Card Grid ========== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#1e1e36;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(255,107,53,.2)}
.video-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.video-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(255,107,53,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card .card-body{padding:16px}
.video-card .card-body h3,.video-card .card-body h4{font-size:1rem;color:#fff;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-desc{color:rgba(255,255,255,.55);font-size:.82rem;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:rgba(255,255,255,.5)}
.video-card .card-meta .views{display:flex;align-items:center;gap:4px}
.video-card .card-meta .likes{display:flex;align-items:center;gap:4px}
.video-card .card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.video-card .card-tags span{background:rgba(255,107,53,.15);color:#FF6B35;padding:3px 10px;border-radius:12px;font-size:.75rem}
.video-card .duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}

/* ========== Video Modal ========== */
.video-modal{position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;display:flex;align-items:center;justify-content:center}
.video-modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85)}
.video-modal-content{position:relative;z-index:2;background:#1e1e36;border-radius:16px;padding:24px;max-width:800px;width:90%;max-height:90vh;overflow:auto}
.video-modal-close{position:absolute;top:12px;right:16px;background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;z-index:3;line-height:1}
.video-modal-close:hover{color:#FF6B35}
.video-modal-title{color:#fff;font-size:1.1rem;font-weight:600;margin-bottom:16px;padding-right:40px}
.video-modal-content video{width:100%;border-radius:10px;background:#000}
.video-modal-tip{color:rgba(255,255,255,.5);font-size:.85rem;text-align:center;margin-top:14px}

/* ========== Module Cards ========== */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.module-card{background:linear-gradient(145deg,#1e1e36,#252545);border-radius:14px;padding:30px 24px;text-align:center;transition:transform .3s,box-shadow .3s;border:1px solid rgba(255,255,255,.06)}
.module-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(255,107,53,.15)}
.module-card .icon{font-size:2.5rem;margin-bottom:16px}
.module-card h3{color:#FF6B35;font-size:1.15rem;margin-bottom:10px}
.module-card p{color:rgba(255,255,255,.65);font-size:.9rem;line-height:1.6}

/* ========== Expert Section ========== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
.expert-card{background:#1e1e36;border-radius:14px;overflow:hidden;text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card .avatar{width:100%;aspect-ratio:1;overflow:hidden}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.expert-card:hover .avatar img{transform:scale(1.05)}
.expert-card .info{padding:20px 16px}
.expert-card .info h3{color:#fff;font-size:1.1rem;margin-bottom:4px}
.expert-card .info .role{color:#FF6B35;font-size:.85rem;margin-bottom:10px}
.expert-card .info p{color:rgba(255,255,255,.6);font-size:.85rem;line-height:1.5;margin-bottom:14px}
.expert-card .info .awards{color:#F5A623;font-size:.8rem;margin-bottom:12px}
.expert-card .btn-group{display:flex;gap:8px;justify-content:center;padding:0 16px 20px}
.expert-card .btn-sm{padding:8px 16px;border-radius:20px;font-size:.8rem;font-weight:600;transition:all .3s}
.btn-primary{background:linear-gradient(135deg,#FF6B35,#F5A623);color:#fff;border:none}
.btn-primary:hover{opacity:.85;color:#fff}
.btn-outline{background:transparent;color:#FF6B35;border:1px solid #FF6B35}
.btn-outline:hover{background:#FF6B35;color:#fff}

/* ========== FAQ Section ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#1e1e36;border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid rgba(255,255,255,.06)}
.faq-item .faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#fff;font-weight:600;font-size:1rem;transition:background .3s}
.faq-item .faq-q:hover{background:rgba(255,107,53,.08)}
.faq-item .faq-q .arrow{color:#FF6B35;font-size:1.2rem;transition:transform .3s}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:rgba(255,255,255,.7);font-size:.9rem;line-height:1.7}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 18px}

/* ========== Reviews ========== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#1e1e36;border-radius:12px;padding:24px;border:1px solid rgba(255,255,255,.06)}
.review-card .stars{color:#F5A623;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-card .review-text{color:rgba(255,255,255,.75);font-size:.9rem;line-height:1.7;margin-bottom:14px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar-sm{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#F5A623);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}
.review-card .reviewer .name{color:#fff;font-size:.85rem;font-weight:600}
.review-card .reviewer .date{color:rgba(255,255,255,.4);font-size:.75rem}

/* ========== Contact Section ========== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.contact-card{background:#1e1e36;border-radius:12px;padding:28px;text-align:center;border:1px solid rgba(255,255,255,.06)}
.contact-card .icon{font-size:2rem;margin-bottom:12px}
.contact-card h3{color:#FF6B35;font-size:1.05rem;margin-bottom:8px}
.contact-card p{color:rgba(255,255,255,.65);font-size:.88rem;line-height:1.6}
.contact-card a{color:#F5A623}

/* ========== Community Grid ========== */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.community-item{background:#1e1e36;border-radius:12px;overflow:hidden;text-align:center;transition:transform .3s}
.community-item:hover{transform:translateY(-4px)}
.community-item .thumb{aspect-ratio:16/10;overflow:hidden}
.community-item .thumb img{width:100%;height:100%;object-fit:cover}
.community-item h4{padding:14px 12px;color:#fff;font-size:.95rem}

/* ========== How-To Guide ========== */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;max-width:1000px;margin:0 auto}
.howto-step{background:#1e1e36;border-radius:12px;padding:28px 20px;text-align:center;position:relative;border:1px solid rgba(255,255,255,.06)}
.howto-step .step-num{width:48px;height:48px;background:linear-gradient(135deg,#FF6B35,#F5A623);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.3rem;font-weight:800;margin:0 auto 16px}
.howto-step h4{color:#fff;font-size:1rem;margin-bottom:8px}
.howto-step p{color:rgba(255,255,255,.6);font-size:.85rem;line-height:1.6}

/* ========== Share Buttons ========== */
.share-bar{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;font-size:.85rem;font-weight:600;color:#fff;transition:transform .3s,opacity .3s}
.share-btn:hover{transform:translateY(-2px);opacity:.85;color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* ========== Partner Logos ========== */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center;padding:20px 0}
.partner-wall .partner-item{background:rgba(255,255,255,.05);padding:16px 28px;border-radius:10px;color:rgba(255,255,255,.6);font-size:.9rem;font-weight:600;border:1px solid rgba(255,255,255,.08);transition:all .3s}
.partner-wall .partner-item:hover{border-color:#FF6B35;color:#FF6B35}

/* ========== Footer ========== */
.site-footer{background:linear-gradient(180deg,#0a0a18,#050510);padding:50px 0 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:40px}
.footer-col h4{color:#FF6B35;font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#FF6B35}
.footer-col p,.footer-col li{color:rgba(255,255,255,.55);font-size:.85rem;line-height:1.8}
.footer-col li a{color:rgba(255,255,255,.55);transition:color .3s}
.footer-col li a:hover{color:#FF6B35}
.footer-col .qrcode-img{width:120px;border-radius:8px;margin-top:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:20px 0;text-align:center;color:rgba(255,255,255,.4);font-size:.8rem}
.footer-bottom a{color:#FF6B35}

/* ========== Breadcrumb ========== */
.breadcrumb{padding:14px 0;font-size:.85rem;color:rgba(255,255,255,.5)}
.breadcrumb a{color:rgba(255,255,255,.6)}
.breadcrumb a:hover{color:#FF6B35}
.breadcrumb span{margin:0 8px;color:rgba(255,255,255,.3)}

/* ========== Inner Page ========== */
.page-header{text-align:center;padding:40px 20px 20px;background:linear-gradient(180deg,rgba(255,107,53,.08),transparent)}
.page-header h1{font-size:2rem;color:#fff;margin-bottom:8px}
.page-header p{color:rgba(255,255,255,.6);font-size:1rem}
.page-content{padding:40px 0;min-height:60vh}
.page-content p{color:rgba(255,255,255,.7);font-size:.95rem;line-height:1.8;margin-bottom:16px}
.page-content h2{color:#FF6B35;font-size:1.5rem;margin:30px 0 16px}
.page-content h3{color:#fff;font-size:1.2rem;margin:24px 0 12px}

/* ========== Lazy Load Placeholder ========== */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

/* ========== Responsive ========== */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;flex-direction:column;width:100%;background:#1A1A2E;position:absolute;top:100%;left:0;padding:10px 0;box-shadow:0 10px 30px rgba(0,0,0,.5)}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 24px;border-bottom:1px solid rgba(255,255,255,.05)}
  .mobile-menu-btn{display:block}
  .hero-banner{height:380px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.95rem}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .expert-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
  .footer-grid{grid-template-columns:1fr}
  .eeat-bar .container{flex-direction:column;gap:6px}
  .video-modal-content{width:95%;padding:16px}
}
@media(max-width:480px){
  .hero-banner{height:300px}
  .hero-content h1{font-size:1.4rem}
  .video-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr}
  .search-form{flex-direction:column}
  .search-form input{border-radius:25px;border-right:2px solid rgba(255,107,53,.3);margin-bottom:8px}
  .search-form button{border-radius:25px}
}