/* ========================================
   玩物社区 - 动物写真与视频社区 全站样式
   品牌色系：暖橙 #E8872B / 深青 #1A7A6D / 暗金 #C4922A
   域名：jmzxmr.cn
   ======================================== */

/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:#2D2D2D;background:#FAFAF7;line-height:1.75}
a{color:#1A7A6D;text-decoration:none;transition:color .3s}
a:hover{color:#E8872B}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.35;color:#1B1B1B}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-wrap{padding:60px 0}
.section-wrap:nth-child(even){background:#F2EDE6}

/* ========== Header ========== */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:42px;width:auto}
.site-logo span{font-size:22px;font-weight:800;color:#E8872B;letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 18px;font-size:15px;font-weight:500;color:#444;border-radius:6px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#E8872B;color:#fff}

/* Search Bar */
.search-bar{background:#F7F3EE;padding:16px 0;border-bottom:1px solid #E8E0D5}
.search-form{display:flex;max-width:640px;margin:0 auto}
.search-form input{flex:1;padding:12px 20px;border:2px solid #DDD5C9;border-right:none;border-radius:8px 0 0 8px;font-size:15px;outline:none;transition:border-color .3s}
.search-form input:focus{border-color:#E8872B}
.search-form button{padding:12px 28px;background:#E8872B;color:#fff;border:none;border-radius:0 8px 8px 0;font-size:15px;cursor:pointer;transition:background .3s}
.search-form button:hover{background:#C4922A}

/* ========== Banner ========== */
.hero-banner{position:relative;height:520px;overflow:hidden;background:#1B1B1B}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.75}
.hero-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px;background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.55) 100%)}
.hero-overlay h1{font-size:42px;color:#fff;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.hero-overlay p{font-size:18px;color:#F0E8DC;max-width:680px;line-height:1.8;text-shadow:0 1px 4px rgba(0,0,0,.3)}
.hero-overlay .hero-tags{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.hero-overlay .hero-tags span{background:rgba(232,135,43,.85);color:#fff;padding:6px 18px;border-radius:20px;font-size:14px}

/* ========== Section Title ========== */
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:30px;color:#1B1B1B;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#E8872B,#1A7A6D);border-radius:2px}
.section-title p{margin-top:12px;color:#777;font-size:15px}

/* ========== Video Cards ========== */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 28px rgba(0,0,0,.12)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.3)}
.video-card:hover .video-play-btn{opacity:1}
.video-play-btn svg{width:56px;height:56px;fill:#fff;filter:drop-shadow(0 2px 6px rgba(0,0,0,.3))}
.video-info{padding:16px 18px}
.video-info h3{font-size:16px;color:#1B1B1B;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-info .video-meta{display:flex;gap:14px;font-size:13px;color:#999}
.video-info .video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#FFF3E6;color:#E8872B;padding:2px 10px;border-radius:10px;font-size:12px;margin-top:8px}

/* ========== Category Modules ========== */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{background:#fff;border-radius:10px;padding:28px 20px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.04);transition:all .3s;border:1px solid #F0EBE3}
.cat-card:hover{border-color:#E8872B;box-shadow:0 6px 20px rgba(232,135,43,.12)}
.cat-card .cat-icon{width:56px;height:56px;margin:0 auto 14px;background:linear-gradient(135deg,#E8872B,#C4922A);border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px}
.cat-card h4{font-size:16px;color:#1B1B1B;margin-bottom:6px}
.cat-card p{font-size:13px;color:#888;line-height:1.6}

/* AI Section */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(135deg,#1A7A6D 0%,#14655A 100%);border-radius:12px;padding:32px 24px;color:#fff;transition:transform .3s}
.ai-card:hover{transform:translateY(-4px)}
.ai-card h4{font-size:18px;margin-bottom:10px;color:#FFE8CC}
.ai-card p{font-size:14px;line-height:1.7;opacity:.9}
.ai-card .ai-icon{font-size:36px;margin-bottom:16px}

/* ========== Expert Section ========== */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(0,0,0,.06);text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:100%;aspect-ratio:1;object-fit:cover}
.expert-card .expert-info{padding:18px 16px}
.expert-card h4{font-size:16px;color:#1B1B1B;margin-bottom:4px}
.expert-card .expert-role{font-size:13px;color:#E8872B;margin-bottom:8px}
.expert-card p{font-size:13px;color:#888;line-height:1.6}
.expert-card .expert-btns{display:flex;gap:8px;justify-content:center;margin-top:12px}
.expert-card .expert-btns a{padding:6px 14px;border-radius:6px;font-size:13px;border:1px solid #E8872B;color:#E8872B;transition:all .3s}
.expert-card .expert-btns a:hover{background:#E8872B;color:#fff}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.faq-question{padding:18px 24px;font-size:16px;font-weight:600;color:#1B1B1B;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:#FFF8F0}
.faq-question::after{content:'+';font-size:22px;color:#E8872B;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;font-size:14px;color:#666;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}

/* ========== Reviews ========== */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:10px;padding:24px;box-shadow:0 2px 10px rgba(0,0,0,.04);border-left:4px solid #E8872B}
.review-card .review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-card .review-avatar{width:44px;height:44px;border-radius:50%;background:#F0EBE3;display:flex;align-items:center;justify-content:center;font-size:18px;color:#E8872B;font-weight:700}
.review-card .review-name{font-size:15px;font-weight:600;color:#1B1B1B}
.review-card .review-date{font-size:12px;color:#AAA}
.review-card .review-stars{color:#E8872B;font-size:14px;margin-bottom:8px}
.review-card .review-text{font-size:14px;color:#555;line-height:1.7}

/* ========== Contact ========== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{background:#fff;border-radius:10px;padding:28px 24px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.contact-card h4{font-size:16px;color:#1B1B1B;margin-bottom:12px}
.contact-card p{font-size:14px;color:#666;line-height:1.7}
.contact-card .contact-icon{font-size:32px;color:#E8872B;margin-bottom:12px}

/* ========== Partner Logos ========== */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-wall .partner-item{background:#fff;border-radius:8px;padding:16px 28px;box-shadow:0 2px 8px rgba(0,0,0,.04);font-size:15px;font-weight:600;color:#888;border:1px solid #F0EBE3;transition:all .3s}
.partner-wall .partner-item:hover{border-color:#E8872B;color:#E8872B}

/* ========== Social Share ========== */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-bar a{display:flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:14px;color:#fff;transition:opacity .3s}
.share-bar a:hover{opacity:.85;color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#1B1B1B}
.share-bilibili{background:#00A1D6}

/* ========== Footer ========== */
.site-footer{background:#1B1B1B;color:#AAA;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:40px}
.footer-col h5{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h5::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#E8872B}
.footer-col p,.footer-col a{font-size:14px;color:#AAA;line-height:2}
.footer-col a:hover{color:#E8872B}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo img{height:36px}
.footer-logo span{font-size:20px;font-weight:700;color:#E8872B}
.footer-qr{display:flex;gap:16px;margin-top:16px}
.footer-qr img{width:100px;height:100px;border-radius:6px}
.footer-bottom{border-top:1px solid #333;padding:20px 0;text-align:center;font-size:13px;color:#777}
.footer-bottom a{color:#999}

/* ========== Breadcrumb ========== */
.breadcrumb{padding:14px 0;font-size:14px;color:#999}
.breadcrumb a{color:#1A7A6D}
.breadcrumb span{margin:0 8px;color:#CCC}

/* ========== Inner Page ========== */
.page-hero{background:linear-gradient(135deg,#1A7A6D 0%,#14655A 100%);padding:50px 0;text-align:center;color:#fff}
.page-hero h1{font-size:34px;color:#fff;margin-bottom:10px}
.page-hero p{font-size:16px;opacity:.85}
.content-section{padding:50px 0}
.content-section h2{font-size:26px;margin-bottom:20px;color:#1B1B1B}
.content-section h3{font-size:20px;margin-bottom:14px;color:#333}
.content-section p{font-size:15px;color:#555;line-height:1.85;margin-bottom:16px}
.content-section .highlight-box{background:#FFF8F0;border-left:4px solid #E8872B;padding:20px 24px;border-radius:0 8px 8px 0;margin:20px 0}

/* ========== How-To Guide ========== */
.howto-steps{counter-reset:step}
.howto-step{display:flex;gap:20px;margin-bottom:24px;align-items:flex-start}
.howto-step::before{counter-increment:step;content:counter(step);flex-shrink:0;width:44px;height:44px;background:#E8872B;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.howto-step div h4{font-size:16px;color:#1B1B1B;margin-bottom:6px}
.howto-step div p{font-size:14px;color:#666}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .video-grid,.ai-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid,.expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-inner{flex-direction:column;height:auto;padding:12px 0;gap:10px}
  .main-nav{flex-wrap:wrap;justify-content:center}
  .hero-banner{height:380px}
  .hero-overlay h1{font-size:28px}
  .hero-overlay p{font-size:15px}
  .video-grid,.ai-grid,.review-grid{grid-template-columns:1fr}
  .cat-grid,.expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .section-wrap{padding:40px 0}
  .section-title h2{font-size:24px}
}
@media(max-width:480px){
  .cat-grid,.expert-grid{grid-template-columns:1fr}
  .main-nav a{padding:6px 12px;font-size:13px}
  .hero-banner{height:300px}
}

/* ========== Utility ========== */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mb-20{margin-bottom:20px}
.hidden{display:none!important}

/* Lazy load placeholder */
img[data-src]{background:#F0EBE3;min-height:100px}

/* Interference tags - hidden but present for SEO */
.dyr-noise{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}