/* ============================================
   少妇 - 原创样式表
   配色：烈焰红 #E8453C | 藏蓝 #1B1F3B | 琥珀金 #F5A623
   背景：暗夜黑 #0D1117 | 文字：月光灰 #E6E6E6
   ============================================ */

/* === 基础重置 === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;background:#0D1117;color:#E6E6E6;line-height:1.7;overflow-x:hidden}
a{color:#F5A623;text-decoration:none;transition:color .25s}
a:hover{color:#E8453C}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#fff}

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

/* === 头部导航 === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,17,23,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(232,69,60,.15);transition:background .3s}
.header-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;height:64px;gap:20px}
.logo-link{display:flex;align-items:center;gap:8px;flex-shrink:0}
.logo-img{height:36px;width:auto}
.logo-text{font-size:1.2rem;font-weight:800;color:#E8453C;white-space:nowrap}
.main-nav{flex:1}
.nav-list{display:flex;gap:4px;justify-content:center}
.nav-list li a{display:block;padding:8px 14px;font-size:.9rem;color:#ccc;border-radius:6px;transition:all .25s;white-space:nowrap}
.nav-list li a:hover,.nav-list li a.active{color:#fff;background:rgba(232,69,60,.15)}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:20px;overflow:hidden;flex-shrink:0}
.search-box input{background:transparent;border:none;color:#E6E6E6;padding:6px 14px;font-size:.85rem;width:200px;outline:none}
.search-box input::placeholder{color:#666}
.search-box button{background:transparent;border:none;color:#F5A623;padding:6px 12px;cursor:pointer;font-size:1rem}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:#E6E6E6;transition:all .3s}

/* === Banner区域 === */
.hero-banner{position:relative;margin-top:64px;height:480px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.45)}
.hero-banner .hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(27,31,59,.85) 0%,rgba(13,17,23,.7) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:0 20px}
.hero-content h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hero-content h1 .brand-highlight{color:#E8453C}
.hero-content p{font-size:1.15rem;color:#ccc;margin-bottom:24px;line-height:1.8}
.hero-content .hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-content .hero-tags span{background:rgba(232,69,60,.15);color:#F5A623;padding:5px 16px;border-radius:20px;font-size:.85rem;border:1px solid rgba(245,166,35,.2)}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#F5A623}
.breadcrumb span{margin:0 6px;color:#555}

/* === 通用栏目标题 === */
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#E8453C,#F5A623);border-radius:2px}
.section-title p{color:#999;margin-top:16px;font-size:.95rem}

/* === 视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:#161B2E;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 40px rgba(232,69,60,.15)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .thumb img{transform:scale(1.08)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(232,69,60,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;pointer-events:none}
.video-card .play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-card .card-info{padding:16px}
.video-card .card-info h3{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.video-card .card-meta{display:flex;justify-content:space-between;font-size:.8rem;color:#888}
.video-card .card-meta .views::before{content:'▶ '}
.video-card .card-meta .likes::before{content:'♥ '}
.video-card .card-tags{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.video-card .card-tags span{font-size:.72rem;padding:2px 8px;background:rgba(245,166,35,.1);color:#F5A623;border-radius:10px}

/* === 栏目区块 === */
.section-block{padding:60px 0}
.section-block:nth-child(even){background:rgba(22,27,46,.4)}
.section-block .container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 服务模块网格 === */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-item{background:linear-gradient(145deg,#161B2E,#1B2240);border-radius:12px;padding:30px 24px;text-align:center;border:1px solid rgba(255,255,255,.05);transition:all .3s}
.service-item:hover{border-color:rgba(232,69,60,.3);transform:translateY(-4px)}
.service-item .icon{font-size:2.4rem;margin-bottom:16px;display:block}
.service-item h3{font-size:1.1rem;margin-bottom:10px;color:#F5A623}
.service-item p{font-size:.88rem;color:#999;line-height:1.7}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#161B2E;border-radius:12px;overflow:hidden;text-align:center;padding:24px 16px;border:1px solid rgba(255,255,255,.05);transition:all .3s}
.expert-card:hover{border-color:rgba(245,166,35,.3)}
.expert-card img{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;object-fit:cover;border:3px solid rgba(232,69,60,.3)}
.expert-card h3{font-size:1rem;margin-bottom:4px}
.expert-card .role{color:#F5A623;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.82rem;color:#999;line-height:1.6;margin-bottom:14px}
.expert-card .expert-actions{display:flex;gap:8px;justify-content:center}
.expert-card .expert-actions a{font-size:.78rem;padding:5px 12px;border-radius:16px;border:1px solid rgba(232,69,60,.4);color:#E8453C;transition:all .25s}
.expert-card .expert-actions a:hover{background:#E8453C;color:#fff}

/* === 合作品牌墙 === */
.brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;margin-bottom:40px}
.brand-wall .brand-item{background:rgba(255,255,255,.05);border-radius:10px;padding:16px 28px;font-size:.95rem;color:#ccc;border:1px solid rgba(255,255,255,.08);transition:all .25s}
.brand-wall .brand-item:hover{border-color:#F5A623;color:#F5A623}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.howto-step{text-align:center;padding:24px 16px}
.howto-step .step-num{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#E8453C,#F5A623);color:#fff;font-size:1.3rem;font-weight:700;margin-bottom:14px}
.howto-step h4{font-size:.95rem;margin-bottom:8px;color:#fff}
.howto-step p{font-size:.82rem;color:#999}

/* === 用户评价 === */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#161B2E;border-radius:12px;padding:24px;border:1px solid rgba(255,255,255,.05)}
.review-card .stars{color:#F5A623;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-card blockquote{font-size:.9rem;color:#ccc;line-height:1.7;margin-bottom:14px;font-style:italic}
.review-card .reviewer{font-size:.82rem;color:#888}
.review-card .reviewer strong{color:#F5A623}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#161B2E;border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid rgba(255,255,255,.05)}
.faq-item .faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:background .25s}
.faq-item .faq-q:hover{background:rgba(232,69,60,.08)}
.faq-item .faq-q::after{content:'+';font-size:1.3rem;color:#F5A623;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-item .faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 18px}
.faq-item .faq-a p{font-size:.88rem;color:#999;line-height:1.8}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h3{font-size:1.2rem;margin-bottom:16px;color:#F5A623}
.contact-info ul li{padding:8px 0;font-size:.9rem;color:#ccc;border-bottom:1px solid rgba(255,255,255,.05)}
.contact-info ul li strong{color:#E6E6E6;margin-right:8px}
.contact-community h3{font-size:1.2rem;margin-bottom:16px;color:#F5A623}
.contact-community .community-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.contact-community .community-links a{display:block;padding:14px;background:rgba(255,255,255,.05);border-radius:8px;text-align:center;color:#ccc;font-size:.88rem;transition:all .25s;border:1px solid rgba(255,255,255,.05)}
.contact-community .community-links a:hover{border-color:#E8453C;color:#E8453C}

/* === 社交分享 === */
.share-section{text-align:center;padding:30px 0;border-top:1px solid rgba(255,255,255,.05)}
.share-btns{display:flex;gap:12px;justify-content:center;margin-top:12px}
.share-btns a{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;font-size:.85rem;color:#fff;transition:all .25s}
.share-btns .wx{background:#07C160}
.share-btns .wb{background:#E6162D}
.share-btns .dy{background:#161823}
.share-btns .bl{background:#00A1D6}
.share-btns a:hover{opacity:.85;transform:translateY(-2px)}

/* === 页脚 === */
.site-footer{background:#0A0E18;border-top:1px solid rgba(232,69,60,.1);padding-top:50px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .footer-logo{height:36px;width:auto;margin-bottom:14px}
.footer-desc{font-size:.85rem;color:#888;line-height:1.7;margin-bottom:20px}
.footer-qrcodes{display:flex;gap:20px}
.qr-item{text-align:center}
.qr-item img{width:90px;height:90px;border-radius:6px;margin-bottom:6px}
.qr-item span{font-size:.75rem;color:#888}
.footer-links h4,.footer-contact h4{font-size:1rem;color:#F5A623;margin-bottom:16px}
.footer-links ul li{margin-bottom:8px}
.footer-links ul li a{color:#888;font-size:.85rem}
.footer-links ul li a:hover{color:#E8453C}
.footer-contact ul li{font-size:.85rem;color:#888;margin-bottom:8px}
.footer-contact ul li strong{color:#ccc}
.footer-social{text-align:center;padding:20px 0;border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05);margin-bottom:20px}
.footer-social span{color:#888;font-size:.85rem;margin-right:12px}
.footer-social a{color:#F5A623;font-size:.85rem;margin:0 8px}
.footer-social a:hover{color:#E8453C}
.footer-bottom{text-align:center;padding:20px 0}
.footer-bottom p{font-size:.8rem;color:#666}
.footer-bottom a{color:#888}

/* === 404页面 === */
.error-page{min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;margin-top:64px}
.error-page h1{font-size:6rem;color:#E8453C;margin-bottom:16px}
.error-page p{font-size:1.2rem;color:#999;margin-bottom:24px}
.error-page a{display:inline-block;padding:12px 32px;background:#E8453C;color:#fff;border-radius:8px;font-size:1rem;transition:background .25s}
.error-page a:hover{background:#c93830}

/* === 内页通用 === */
.page-hero{margin-top:64px;padding:60px 0;background:linear-gradient(135deg,#1B1F3B,#0D1117);text-align:center}
.page-hero h1{font-size:2.2rem;margin-bottom:12px}
.page-hero p{color:#999;font-size:1rem}
.page-content{padding:50px 0}

/* === 响应式 === */
@media(max-width:1024px){
  .video-grid,.service-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .main-nav{position:fixed;top:64px;left:0;width:100%;background:rgba(13,17,23,.98);padding:20px;transform:translateY(-120%);transition:transform .35s;z-index:999}
  .main-nav.open{transform:translateY(0)}
  .nav-list{flex-direction:column;gap:0}
  .nav-list li a{padding:12px 16px;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav-toggle{display:flex}
  .search-box{display:none}
  .hero-banner{height:360px}
  .hero-content h1{font-size:1.8rem}
  .video-grid,.service-grid,.review-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .header-inner{gap:10px}
  .section-block{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .brand-wall .brand-item{padding:10px 18px;font-size:.85rem}
}
@media(max-width:480px){
  .hero-banner{height:280px}
  .hero-content h1{font-size:1.4rem}
  .hero-content p{font-size:.9rem}
  .contact-community .community-links{grid-template-columns:1fr}
}

/* === 懒加载占位 === */
img[loading="lazy"]{opacity:0;transition:opacity .4s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}

/* === 动画 === */
.anim-on-scroll{opacity:0;transform:translateY(30px);transition:opacity .6s,transform .6s}
.anim-on-scroll.visible{opacity:1;transform:translateY(0)}