/* ============================================
   每日大赛 - 动物写真与视频社区原创样式表
   主色：森林绿 #2D8B4E / 琥珀金 #F5A623
   辅色：深翠 #1B5E35 / 暖橙 #E8912D
   背景：深森林 #0A1F14 / 墨绿灰 #132A1E
   ============================================ */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;background:#0A1F14;color:#E0E8E3;line-height:1.7;overflow-x:hidden;}
a{color:#2D8B4E;text-decoration:none;transition:color 0.3s;}
a:hover{color:#F5A623;}
img{max-width:100%;height:auto;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ Header ============ */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,31,20,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(45,139,78,0.15);transition:all 0.3s;}
.site-header.scrolled{background:rgba(10,31,20,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.3);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1200px;margin:0 auto;padding:0 20px;}
.site-logo{display:flex;align-items:center;gap:10px;}
.site-logo img{height:42px;width:auto;}
.site-logo span{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,#2D8B4E,#F5A623);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{padding:8px 16px;border-radius:8px;font-size:0.9rem;color:#B8D4C0;transition:all 0.3s;font-weight:500;}
.main-nav a:hover,.main-nav a.active{color:#F5A623;background:rgba(45,139,78,0.12);}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;}
.menu-toggle span{display:block;width:24px;height:2px;background:#2D8B4E;border-radius:2px;transition:all 0.3s;}

/* ============ Search Bar ============ */
.search-bar{margin-top:68px;background:linear-gradient(180deg,rgba(45,139,78,0.08) 0%,transparent 100%);padding:16px 0;}
.search-box{max-width:600px;margin:0 auto;display:flex;gap:0;border-radius:30px;overflow:hidden;border:2px solid rgba(45,139,78,0.3);background:#132A1E;}
.search-box input{flex:1;padding:12px 24px;background:transparent;border:none;color:#E0E8E3;font-size:0.95rem;outline:none;}
.search-box input::placeholder{color:#6B8F78;}
.search-box button{padding:12px 28px;background:linear-gradient(135deg,#2D8B4E,#1B5E35);color:#fff;border:none;font-size:0.9rem;cursor:pointer;font-weight:600;transition:all 0.3s;}
.search-box button:hover{background:linear-gradient(135deg,#F5A623,#E8912D);}

/* ============ Hero Banner ============ */
.hero-banner{position:relative;width:100%;height:520px;overflow:hidden;}
.hero-banner img{width:100%;height:100%;object-fit:cover;}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,rgba(10,31,20,0.3) 0%,rgba(10,31,20,0.7) 70%,rgba(10,31,20,0.95) 100%);display:flex;align-items:flex-end;padding-bottom:60px;}
.hero-text{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.hero-text h1{font-size:2.8rem;font-weight:800;margin-bottom:12px;line-height:1.3;}
.hero-text h1 em{font-style:normal;color:#F5A623;}
.hero-text p{font-size:1.1rem;color:#B8D4C0;max-width:700px;margin-bottom:20px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{padding:6px 18px;border-radius:20px;font-size:0.8rem;background:rgba(45,139,78,0.2);color:#2D8B4E;border:1px solid rgba(45,139,78,0.3);}

/* ============ Section Common ============ */
.sec-wrap{padding:60px 0;}
.sec-head{text-align:center;margin-bottom:40px;}
.sec-head h2{font-size:1.8rem;font-weight:700;margin-bottom:10px;}
.sec-head h2 em{font-style:normal;color:#F5A623;}
.sec-head p{color:#8BAF98;font-size:0.95rem;max-width:600px;margin:0 auto;}
.fade-up{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease;}
.fade-up.show{opacity:1;transform:translateY(0);}

/* ============ Video Grid ============ */
.vid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.vid-card{background:#132A1E;border-radius:14px;overflow:hidden;border:1px solid rgba(45,139,78,0.1);transition:all 0.3s;}
.vid-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,0.3);border-color:rgba(45,139,78,0.25);}
.vid-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;}
.vid-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s;}
.vid-card:hover .vid-thumb img{transform:scale(1.06);}
.vid-dur{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:0.75rem;}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(45,139,78,0.85);display:flex;align-items:center;justify-content:center;opacity:0;transition:all 0.3s;cursor:pointer;border:none;color:#fff;font-size:1.3rem;}
.vid-thumb:hover .play-btn{opacity:1;}
.play-btn:hover{background:rgba(245,166,35,0.9);transform:translate(-50%,-50%) scale(1.1);}
.vid-info{padding:14px 16px;}
.vid-info h3{font-size:0.92rem;font-weight:600;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.vid-meta{display:flex;align-items:center;gap:12px;font-size:0.78rem;color:#6B8F78;}
.vid-tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:0.72rem;background:rgba(45,139,78,0.12);color:#2D8B4E;margin-top:8px;}

/* ============ Category Grid ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cat-card{background:#132A1E;border-radius:16px;padding:30px 24px;text-align:center;border:1px solid rgba(45,139,78,0.1);transition:all 0.3s;}
.cat-card:hover{border-color:rgba(245,166,35,0.3);transform:translateY(-3px);}
.cat-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,rgba(45,139,78,0.2),rgba(27,94,53,0.2));display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.8rem;}
.cat-card h3{font-size:1.05rem;margin-bottom:8px;}
.cat-card p{font-size:0.85rem;color:#8BAF98;line-height:1.6;}

/* ============ Expert Grid ============ */
.exp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.exp-card{background:#132A1E;border-radius:16px;padding:28px 20px;text-align:center;border:1px solid rgba(45,139,78,0.1);transition:all 0.3s;}
.exp-card:hover{border-color:rgba(245,166,35,0.2);}
.exp-avatar{width:80px;height:80px;border-radius:50%;overflow:hidden;margin:0 auto 14px;border:3px solid rgba(45,139,78,0.3);}
.exp-avatar img{width:100%;height:100%;object-fit:cover;}
.exp-name{font-size:1rem;font-weight:600;margin-bottom:4px;}
.exp-role{font-size:0.82rem;color:#F5A623;margin-bottom:10px;}
.exp-desc{font-size:0.82rem;color:#8BAF98;line-height:1.6;margin-bottom:12px;}
.exp-links{display:flex;justify-content:center;gap:10px;}
.exp-links a{padding:6px 14px;border-radius:20px;font-size:0.78rem;border:1px solid rgba(45,139,78,0.3);color:#2D8B4E;transition:all 0.3s;}
.exp-links a:hover{background:#2D8B4E;color:#fff;}

/* ============ Review Grid ============ */
.rev-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.rev-card{background:#132A1E;border-radius:14px;padding:24px;border:1px solid rgba(45,139,78,0.08);transition:all 0.3s;}
.rev-card:hover{border-color:rgba(45,139,78,0.2);}
.rev-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.rev-pic{width:48px;height:48px;border-radius:50%;overflow:hidden;border:2px solid rgba(45,139,78,0.3);}
.rev-pic img{width:100%;height:100%;object-fit:cover;}
.rev-name{font-weight:600;font-size:0.95rem;}
.rev-date{font-size:0.8rem;color:#6B8F78;}
.rev-stars{color:#F5A623;font-size:0.9rem;margin-bottom:10px;letter-spacing:2px;}
.rev-txt{font-size:0.9rem;color:#B8D4C0;line-height:1.7;}

/* ============ FAQ ============ */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{background:#132A1E;border-radius:12px;margin-bottom:12px;border:1px solid rgba(45,139,78,0.08);overflow:hidden;}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:0.95rem;color:#E0E8E3;transition:color 0.3s;}
.faq-q:hover{color:#F5A623;}
.faq-q .faq-icon{font-size:1.2rem;transition:transform 0.3s;color:#2D8B4E;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s;padding:0 24px;}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 18px;}
.faq-a p{font-size:0.9rem;color:#8BAF98;line-height:1.7;}

/* ============ Contact ============ */
.ct-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;align-items:start;}
.ct-list{display:flex;flex-direction:column;gap:18px;}
.ct-item{display:flex;align-items:flex-start;gap:14px;background:#132A1E;padding:18px 20px;border-radius:12px;border:1px solid rgba(45,139,78,0.08);}
.ct-icon{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,rgba(45,139,78,0.15),rgba(27,94,53,0.15));display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.ct-item h4{font-size:0.9rem;margin-bottom:4px;}
.ct-item p{font-size:0.85rem;color:#6B8F78;}
.ct-qr{display:flex;gap:24px;justify-content:center;}
.qr-box{text-align:center;}
.qr-box img{width:160px;height:160px;border-radius:12px;margin-bottom:8px;}
.qr-box p{font-size:0.85rem;color:#6B8F78;}

/* ============ Share ============ */
.share-bar{display:flex;justify-content:center;gap:16px;padding:30px 0;}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;font-size:0.85rem;color:#fff;transition:all 0.3s;border:none;cursor:pointer;}
.share-btn.wechat{background:#07C160;}
.share-btn.weibo{background:#E6162D;}
.share-btn.douyin{background:#161823;border:1px solid #333;}
.share-btn.bilibili{background:#00A1D6;}
.share-btn:hover{transform:translateY(-2px);opacity:0.9;}

/* ============ How-To ============ */
.howto-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.howto-item{background:#132A1E;border-radius:16px;padding:28px 20px;text-align:center;position:relative;border:1px solid rgba(45,139,78,0.08);}
.howto-item::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2D8B4E,#1B5E35);color:#fff;font-weight:700;font-size:1.1rem;margin:0 auto 14px;}
.howto-item h4{font-size:1rem;margin-bottom:8px;}
.howto-item p{font-size:0.85rem;color:#8BAF98;line-height:1.6;}

/* ============ Partner ============ */
.partner-row{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center;}
.partner-item{width:120px;height:60px;background:#132A1E;border-radius:12px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(45,139,78,0.08);padding:10px;transition:all 0.3s;font-weight:700;color:#6B8F78;font-size:0.85rem;}
.partner-item:hover{border-color:rgba(245,166,35,0.3);}

/* ============ Footer ============ */
.site-footer{background:#071510;border-top:1px solid rgba(45,139,78,0.1);padding:50px 0 0;}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.ft-brand .site-logo{margin-bottom:14px;}
.ft-brand p{font-size:0.85rem;color:#6B8F78;line-height:1.7;max-width:300px;}
.ft-col h4{font-size:1rem;margin-bottom:16px;color:#F5A623;}
.ft-col a{display:block;padding:4px 0;font-size:0.85rem;color:#6B8F78;transition:color 0.3s;}
.ft-col a:hover{color:#2D8B4E;}
.ft-bottom{border-top:1px solid rgba(255,255,255,0.05);padding:20px 0;text-align:center;font-size:0.8rem;color:#4A6B55;}
.ft-bottom a{color:#6B8F78;}

/* ============ Breadcrumb ============ */
.breadcrumb{padding:14px 0;font-size:0.85rem;color:#6B8F78;margin-top:68px;}
.breadcrumb a{color:#8BAF98;}
.breadcrumb a:hover{color:#F5A623;}
.breadcrumb span{margin:0 8px;color:#3D5E4A;}

/* ============ Page Header ============ */
.page-header{padding:40px 0 30px;text-align:center;background:linear-gradient(180deg,rgba(45,139,78,0.06) 0%,transparent 100%);margin-top:68px;}
.page-header h1{font-size:2rem;margin-bottom:10px;}
.page-header p{color:#8BAF98;font-size:1rem;}
.content-section{padding:40px 0;}
.content-section h2{font-size:1.5rem;margin-bottom:20px;}
.content-section p{color:#B8D4C0;line-height:1.8;margin-bottom:16px;}

/* ============ Tag Cloud ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0;}
.tag-cloud a{padding:6px 16px;border-radius:20px;font-size:0.8rem;background:rgba(45,139,78,0.08);color:#2D8B4E;border:1px solid rgba(45,139,78,0.15);transition:all 0.3s;}
.tag-cloud a:hover{background:#2D8B4E;color:#fff;}

/* ============ MCP Widget ============ */
.mcp-widget{background:#132A1E;border-radius:12px;padding:20px;border:1px solid rgba(45,139,78,0.08);margin-top:20px;}
.mcp-widget h4{font-size:0.95rem;margin-bottom:10px;color:#F5A623;}
.mcp-status{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:#2D8B4E;}
.mcp-status::before{content:'';width:8px;height:8px;border-radius:50%;background:#2D8B4E;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.4;}}

/* ============ Lazy Load ============ */
img[data-src]{opacity:0;transition:opacity 0.5s ease;}
img[data-src].loaded{opacity:1;}

/* ============ Video List Page ============ */
.vid-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ============ Responsive ============ */
@media(max-width:1024px){
  .vid-grid{grid-template-columns:repeat(3,1fr);}
  .exp-grid{grid-template-columns:repeat(2,1fr);}
  .ft-grid{grid-template-columns:repeat(2,1fr);}
  .howto-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .menu-toggle{display:flex;}
  .main-nav{position:fixed;top:68px;left:0;width:100%;background:rgba(10,31,20,0.98);flex-direction:column;padding:20px;transform:translateY(-120%);transition:transform 0.3s ease;border-bottom:1px solid rgba(45,139,78,0.15);}
  .main-nav.open{transform:translateY(0);}
  .main-nav a{padding:12px 20px;width:100%;}
  .hero-banner{height:380px;}
  .hero-text h1{font-size:1.8rem;}
  .hero-text p{font-size:0.95rem;}
  .vid-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .cat-grid{grid-template-columns:1fr;}
  .exp-grid{grid-template-columns:1fr;}
  .rev-grid{grid-template-columns:1fr;}
  .ct-grid{grid-template-columns:1fr;}
  .ft-grid{grid-template-columns:1fr;}
  .howto-grid{grid-template-columns:1fr;}
  .sec-wrap{padding:40px 0;}
  .sec-head h2{font-size:1.5rem;}
  .ct-qr{flex-direction:column;align-items:center;}
  .vid-list-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:480px){
  .vid-grid{grid-template-columns:1fr;}
  .share-bar{flex-wrap:wrap;}
  .vid-list-grid{grid-template-columns:1fr;}
}

/* ============ Animations ============ */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}

/* ============ Back to Top ============ */
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#2D8B4E,#1B5E35);color:#fff;border:none;font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transition:all 0.3s;z-index:999;box-shadow:0 4px 15px rgba(45,139,78,0.4);}
.back-to-top.visible{opacity:1;visibility:visible;}
.back-to-top:hover{background:linear-gradient(135deg,#F5A623,#E8912D);}

/* ============ Disturb Tag Hide ============ */
.d-none{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;padding:0;margin:-1px;}