/* ============================================
   网红主播 - 原创CSS样式表
   配色：深海蓝 #1B6B93 + 翡翠绿 #58D68D + 琥珀金 #F39C12
   布局：全新瀑布流+左右交替+横向滚动设计
   ============================================ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;color:#2C3E50;background:#F0F7F4;line-height:1.7}
a{text-decoration:none;color:inherit;transition:all .3s}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1320px;margin:0 auto;padding:0 20px}

/* === 导航栏 === */
.site-nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:transparent;transition:all .4s}
.site-nav.scrolled{background:rgba(13,27,42,.92);backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(0,0,0,.12)}
.nav-inner{max-width:1320px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px}
.nav-brand img{height:40px;width:auto;border-radius:8px}
.nav-brand span{color:#fff;font-size:22px;font-weight:800;letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.8);font-size:14px;padding:8px 16px;border-radius:8px;transition:all .3s;white-space:nowrap}
.nav-links a:hover,.nav-links a.on{color:#fff;background:linear-gradient(135deg,#1B6B93,#58D68D)}
.nav-search{position:relative;margin-left:16px}
.nav-search input{width:160px;height:34px;border:1px solid rgba(255,255,255,.25);border-radius:17px;background:rgba(255,255,255,.1);color:#fff;padding:0 34px 0 14px;font-size:13px;transition:all .3s;outline:none}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{border-color:#58D68D;background:rgba(255,255,255,.18);width:200px}
.nav-search button{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:rgba(255,255,255,.7);cursor:pointer;font-size:15px}
.mob-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer}

/* === Hero区 - 左对齐文字+右侧浮动 === */
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;margin-top:64px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55) saturate(1.2)}
.hero-mask{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,27,42,.8) 0%,rgba(27,107,147,.5) 50%,rgba(88,214,141,.3) 100%)}
.hero-body{position:relative;z-index:2;max-width:1320px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;width:100%}
.hero-text{max-width:580px;color:#fff}
.hero-text h1{font-size:52px;margin-bottom:14px;line-height:1.2;text-shadow:0 3px 16px rgba(0,0,0,.3)}
.hero-text h1 em{font-style:normal;color:#58D68D}
.hero-text p{font-size:18px;opacity:.9;margin-bottom:24px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.hero-tags span{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);padding:5px 14px;border-radius:20px;font-size:13px;color:#fff}
.hero-btns{display:flex;gap:14px}
.btn-main{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;border-radius:10px;font-size:15px;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.btn-fill{background:linear-gradient(135deg,#1B6B93,#58D68D);color:#fff;box-shadow:0 4px 20px rgba(27,107,147,.4)}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(27,107,147,.5)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#58D68D;color:#58D68D}
.hero-float{width:320px;height:320px;border-radius:50%;overflow:hidden;border:4px solid rgba(88,214,141,.5);box-shadow:0 0 60px rgba(27,107,147,.4);animation:heroFloat 4s ease-in-out infinite}
@keyframes heroFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

/* === 通用标题 === */
.sec-head{text-align:center;margin-bottom:40px}
.sec-head h2{font-size:32px;color:#0D1B2A;margin-bottom:10px}
.sec-head h2 em{font-style:normal;color:#1B6B93}
.sec-head p{font-size:15px;color:#6B7B8D;max-width:600px;margin:0 auto}
.sec-badge{display:inline-block;background:linear-gradient(135deg,#1B6B93,#58D68D);color:#fff;padding:4px 16px;border-radius:20px;font-size:13px;margin-bottom:12px}

/* === 区块背景 === */
.sec-light{padding:70px 0;background:#F0F7F4}
.sec-dark{padding:70px 0;background:#0D1B2A;color:#fff}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head p{color:rgba(255,255,255,.7)}
.sec-alt{padding:70px 0;background:linear-gradient(180deg,#E8F6EF 0%,#F0F7F4 100%)}
.sec-wave{padding:70px 0;background:#fff}

/* === 视频瀑布流 === */
.vid-flow{columns:3;column-gap:20px}
.vid-card{break-inside:avoid;margin-bottom:20px;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .35s;cursor:pointer;position:relative}
.vid-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(27,107,147,.15)}
.vid-thumb{position:relative;overflow:hidden}
.vid-thumb img{width:100%;transition:transform .4s}
.vid-card:hover .vid-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(27,107,147,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .35s;opacity:0}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.vid-card:hover .play-btn{transform:translate(-50%,-50%) scale(1);opacity:1}
.vid-info{padding:14px 16px}
.vid-info h3{font-size:15px;color:#0D1B2A;margin-bottom:6px;line-height:1.4}
.vid-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:#8E9EAB}
.vid-meta span{display:flex;align-items:center;gap:3px}
.vid-tag{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#F39C12,#E67E22);color:#fff;padding:3px 10px;border-radius:12px;font-size:11px;z-index:2}

/* === 左右交替服务区 === */
.svc-row{display:flex;align-items:center;gap:50px;margin-bottom:50px}
.svc-row:nth-child(even){flex-direction:row-reverse}
.svc-img{flex:1;border-radius:16px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.08)}
.svc-img img{width:100%;transition:transform .4s}
.svc-img:hover img{transform:scale(1.04)}
.svc-txt{flex:1}
.svc-txt h3{font-size:24px;color:#0D1B2A;margin-bottom:12px}
.svc-txt p{font-size:15px;color:#5A6B7D;line-height:1.8;margin-bottom:16px}
.svc-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.svc-list li{background:#E8F6EF;color:#1B6B93;padding:5px 14px;border-radius:8px;font-size:13px}

/* === 横向滚动娱乐区 === */
.ent-scroll{display:flex;gap:20px;overflow-x:auto;padding:10px 0 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.ent-scroll::-webkit-scrollbar{height:6px}
.ent-scroll::-webkit-scrollbar-thumb{background:#1B6B93;border-radius:3px}
.ent-item{flex:0 0 280px;scroll-snap-align:start;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s}
.ent-item:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(27,107,147,.12)}
.ent-item img{width:100%;height:160px;object-fit:cover}
.ent-item h4{padding:12px 14px 4px;font-size:15px;color:#0D1B2A}
.ent-item p{padding:0 14px 14px;font-size:13px;color:#8E9EAB}

/* === AI放射状布局 === */
.ai-hub{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;align-items:center}
.ai-center{grid-column:2;grid-row:1/3;text-align:center}
.ai-center img{width:100%;border-radius:20px;box-shadow:0 8px 40px rgba(27,107,147,.2)}
.ai-card{background:#fff;border-radius:14px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s;border-left:4px solid #1B6B93}
.ai-card:hover{transform:translateX(6px);box-shadow:0 8px 28px rgba(27,107,147,.12)}
.ai-card h4{font-size:16px;color:#1B6B93;margin-bottom:8px}
.ai-card p{font-size:14px;color:#5A6B7D;line-height:1.7}

/* === 社区双栏 === */
.comm-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:30px}
.comm-main{background:linear-gradient(135deg,#1B6B93,#0D1B2A);border-radius:20px;padding:40px;color:#fff;position:relative;overflow:hidden}
.comm-main h3{font-size:26px;margin-bottom:14px}
.comm-main p{font-size:15px;opacity:.85;line-height:1.8;margin-bottom:20px}
.comm-list{display:flex;flex-direction:column;gap:14px}
.comm-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:16px;transition:all .3s}
.comm-item:hover{background:rgba(255,255,255,.14);transform:translateX(4px)}
.comm-item h4{font-size:15px;color:#58D68D;margin-bottom:4px}
.comm-item p{font-size:13px;color:rgba(255,255,255,.7)}

/* === 专家水平滚动 === */
.exp-scroll{display:flex;gap:24px;overflow-x:auto;padding:10px 0 20px;scroll-snap-type:x mandatory}
.exp-scroll::-webkit-scrollbar{height:6px}
.exp-scroll::-webkit-scrollbar-thumb{background:#58D68D;border-radius:3px}
.exp-card{flex:0 0 260px;scroll-snap-align:start;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);text-align:center;transition:all .3s}
.exp-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(27,107,147,.15)}
.exp-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:24px auto 14px;border:3px solid #58D68D}
.exp-card h4{font-size:16px;color:#0D1B2A;margin-bottom:4px}
.exp-card .exp-role{font-size:13px;color:#1B6B93;margin-bottom:8px}
.exp-card p{font-size:13px;color:#8E9EAB;padding:0 16px 8px;line-height:1.6}
.exp-card .exp-acts{display:flex;justify-content:center;gap:10px;padding:0 16px 20px}
.exp-card .exp-acts a{font-size:12px;padding:6px 14px;border-radius:6px;transition:all .3s}
.exp-acts .act-pri{background:#1B6B93;color:#fff}
.exp-acts .act-sec{border:1px solid #1B6B93;color:#1B6B93}

/* === FAQ手风琴 === */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:0 2px 12px rgba(0,0,0,.04);overflow:hidden}
.faq-q{padding:18px 24px;font-size:15px;font-weight:600;color:#0D1B2A;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .3s}
.faq-q:hover{color:#1B6B93}
.faq-q::after{content:'+';font-size:20px;color:#1B6B93;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 18px}
.faq-a p{font-size:14px;color:#5A6B7D;line-height:1.8}

/* === 评论卡片 === */
.rev-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rev-card{background:#fff;border-radius:14px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.05);transition:all .3s}
.rev-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(27,107,147,.1)}
.rev-stars{color:#F39C12;font-size:16px;margin-bottom:10px}
.rev-txt{font-size:14px;color:#5A6B7D;line-height:1.7;margin-bottom:14px;font-style:italic}
.rev-user{display:flex;align-items:center;gap:10px}
.rev-user img{width:36px;height:36px;border-radius:50%;object-fit:cover}
.rev-name{font-size:13px;font-weight:600;color:#0D1B2A}
.rev-date{font-size:12px;color:#8E9EAB}

/* === 合作品牌 === */
.partner-img{max-width:900px;margin:0 auto;border-radius:16px;overflow:hidden;box-shadow:0 4px 24px rgba(0,0,0,.08)}
.partner-img img{width:100%}

/* === HowTo步骤 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{background:#fff;border-radius:14px;padding:28px 20px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.05);position:relative;transition:all .3s}
.howto-step:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(27,107,147,.1)}
.step-no{width:44px;height:44px;background:linear-gradient(135deg,#1B6B93,#58D68D);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:0 auto 14px}
.howto-step h4{font-size:15px;color:#0D1B2A;margin-bottom:8px}
.howto-step p{font-size:13px;color:#8E9EAB;line-height:1.6}

/* === 数据统计条 === */
.stats{display:flex;justify-content:center;gap:60px;padding:30px 0}
.stat{text-align:center}
.stat-n{font-size:36px;font-weight:800;background:linear-gradient(135deg,#58D68D,#1B6B93);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-l{font-size:14px;color:rgba(255,255,255,.7);margin-top:4px}

/* === 联系信息 === */
.ct-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
.ct-box{background:#fff;border-radius:14px;padding:28px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.05);transition:all .3s}
.ct-box:hover{transform:translateY(-4px)}
.ct-icon{font-size:28px;margin-bottom:10px}
.ct-box h4{font-size:15px;color:#0D1B2A;margin-bottom:6px}
.ct-box p{font-size:13px;color:#8E9EAB}
.qr-row{display:flex;justify-content:center;gap:40px;margin-top:30px}
.qr-box{text-align:center}
.qr-box img{width:140px;height:140px;border-radius:12px;margin-bottom:8px}
.qr-box p{font-size:13px;color:#5A6B7D}

/* === 分享栏 === */
.share-row{display:flex;justify-content:center;gap:14px;margin-top:24px}
.share-a{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:8px;font-size:13px;color:#fff;transition:all .3s}
.share-a:hover{transform:translateY(-2px)}
.sh-wx{background:#07C160}
.sh-wb{background:#E6162D}
.sh-dy{background:#111}
.sh-bl{background:#00A1D6}

/* === 页脚 === */
.site-ft{background:#0D1B2A;color:rgba(255,255,255,.8);padding:50px 0 0}
.ft-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.ft-brand img{height:40px;margin-bottom:12px;border-radius:8px}
.ft-brand p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}
.ft-col h4{font-size:15px;color:#58D68D;margin-bottom:14px}
.ft-col a{display:block;font-size:13px;color:rgba(255,255,255,.6);padding:4px 0;transition:color .3s}
.ft-col a:hover{color:#58D68D}
.ft-qr{display:flex;gap:20px}
.ft-qr img{width:100px;height:100px;border-radius:8px}
.ft-bottom{text-align:center;padding:20px 0;font-size:13px;color:rgba(255,255,255,.4)}

/* === 面包屑 === */
.crumb{padding:16px 0;font-size:13px;color:#8E9EAB}
.crumb a{color:#1B6B93}
.crumb a:hover{text-decoration:underline}

/* === 内页Hero === */
.pg-hero{position:relative;height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:64px}
.pg-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.5)}
.pg-hero-mask{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,27,42,.85),rgba(27,107,147,.6))}
.pg-hero-txt{position:relative;z-index:2;text-align:center;color:#fff}
.pg-hero-txt h1{font-size:40px;margin-bottom:10px}
.pg-hero-txt p{font-size:16px;opacity:.85}

/* === 响应式 === */
@media(max-width:1024px){
.vid-flow{columns:2}
.ai-hub{grid-template-columns:1fr}
.ai-center{grid-column:1;grid-row:auto}
.rev-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.ft-top{grid-template-columns:1fr 1fr}
.ct-grid{grid-template-columns:1fr}
.comm-grid{grid-template-columns:1fr}
.hero-float{display:none}
}
@media(max-width:768px){
.nav-links{display:none;position:absolute;top:64px;left:0;width:100%;background:rgba(13,27,42,.96);flex-direction:column;padding:16px 0}
.nav-links.show{display:flex}
.nav-search{display:none}
.mob-toggle{display:block}
.hero-text h1{font-size:32px}
.hero{min-height:480px}
.vid-flow{columns:1}
.svc-row,.svc-row:nth-child(even){flex-direction:column;gap:24px}
.ent-item{flex:0 0 240px}
.exp-card{flex:0 0 220px}
.rev-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.stats{flex-wrap:wrap;gap:30px}
.ft-top{grid-template-columns:1fr}
.sec-head h2{font-size:24px}
.hero-float{display:none}
}