/* ============================================
   幼幼 - 原创样式表
   品牌色系：珊瑚粉 #FF6B8A / 蜜桃橙 #FFB088 / 深玫红 #E8456B
   辅助色：深灰 #1A1A2E / 浅灰 #F5F5FA / 白色 #FFFFFF
   ============================================ */

/* === 基础重置 === */
*,*::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:#F5F5FA;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
a:hover{color:#FF6B8A}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 头部导航 === */
.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,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:70px}
.p9dav2o{display:flex;align-items:center;gap:10px}
.p9dav2o img{height:42px;width:auto}
.rprrfy6{font-size:22px;font-weight:700;color:#FF6B8A;letter-spacing:1px}
.rprrfy6 span{color:#FFB088}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#ddd;padding:0 16px;font-size:15px;line-height:70px;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#FF6B8A}
.main-nav a::after{content:'';position:absolute;bottom:15px;left:50%;transform:translateX(-50%);width:0;height:3px;background:linear-gradient(90deg,#FF6B8A,#FFB088);border-radius:2px;transition:width .3s}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.jg3btdp5{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.jg3btdp5 span{width:25px;height:3px;background:#fff;border-radius:2px;transition:all .3s}

/* === 搜索框 === */
.kajuxb0{background:linear-gradient(90deg,#1A1A2E,#16213E);padding:12px 0;border-bottom:1px solid rgba(255,107,138,.2)}
.kajuxb0 .container{display:flex;justify-content:center}
.w86bo{display:flex;max-width:600px;width:100%}
.w86bo input{flex:1;padding:10px 20px;border:2px solid rgba(255,107,138,.4);border-right:none;border-radius:25px 0 0 25px;background:rgba(255,255,255,.08);color:#fff;font-size:14px;outline:none;transition:border-color .3s}
.w86bo input::placeholder{color:rgba(255,255,255,.5)}
.w86bo input:focus{border-color:#FF6B8A}
.w86bo button{padding:10px 28px;background:linear-gradient(135deg,#FF6B8A,#FFB088);border:none;color:#fff;font-size:14px;border-radius:0 25px 25px 0;cursor:pointer;transition:opacity .3s;font-weight:600}
.w86bo button:hover{opacity:.85}

/* === 面包屑 === */
.breadcrumb{padding:15px 0;font-size:13px;color:#888}
.breadcrumb a{color:#FF6B8A}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === Hero Banner === */
.u8hd2o6{position:relative;height:520px;overflow:hidden;background:#1A1A2E}
.u8hd2o6 .slide{position:absolute;inset:0;opacity:0;transition:opacity 1s}
.u8hd2o6 .slide.active{opacity:1}
.u8hd2o6 .slide img{width:100%;height:100%;object-fit:cover;filter:brightness(.6)}
.xmyk4zy{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;z-index:2;padding:20px}
.xmyk4zy h1{font-size:42px;color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.5);margin-bottom:16px}
.xmyk4zy h1 em{font-style:normal;color:#FF6B8A}
.xmyk4zy p{font-size:18px;color:rgba(255,255,255,.85);max-width:650px;margin-bottom:28px}
.xmyk4zy .bcs2qk6{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* === 按钮 === */
.btn{display:inline-block;padding:12px 32px;border-radius:30px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s;border:none;text-align:center}
.h4agpvs{background:linear-gradient(135deg,#FF6B8A,#E8456B);color:#fff;box-shadow:0 4px 15px rgba(255,107,138,.4)}
.h4agpvs:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(255,107,138,.5)}
.nuim92{border:2px solid #FF6B8A;color:#FF6B8A;background:transparent}
.nuim92:hover{background:#FF6B8A;color:#fff}
.uua6ao29{padding:8px 20px;font-size:13px}

/* === 区域标题 === */
.section{padding:60px 0}
.qedj5{text-align:center;margin-bottom:45px}
.qedj5 h2{font-size:30px;color:#1A1A2E;margin-bottom:10px;position:relative;display:inline-block}
.qedj5 h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:4px;background:linear-gradient(90deg,#FF6B8A,#FFB088);border-radius:2px}
.qedj5 p{color:#777;font-size:15px;margin-top:18px}
.lg8573w{background:#fff}

/* === 视频卡片网格 === */
.j61b901x{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ec6xe{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s;cursor:pointer;position:relative}
.ec6xe:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(255,107,138,.15)}
.ec6xe .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.ec6xe .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ec6xe:hover .thumb img{transform:scale(1.08)}
.ec6xe .h1uy9p8{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:50px;height:50px;background:rgba(255,107,138,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.ec6xe:hover .h1uy9p8{opacity:1}
.h1uy9p8::after{content:'';border-style:solid;border-width:8px 0 8px 14px;border-color:transparent transparent transparent #fff;margin-left:3px}
.ec6xe .ooljby{padding:14px 16px}
.ec6xe .ooljby h3{font-size:15px;color:#1A1A2E;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.ec6xe .xxwkf{display:flex;justify-content:space-between;font-size:12px;color:#999;margin-top:8px}
.ec6xe .xxwkf .views{color:#FF6B8A}
.ec6xe .tag{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:600;z-index:2}
.ec6xe .duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:11px;z-index:2}

/* === 数据统计 === */
.uv4la9l{background:linear-gradient(135deg,#1A1A2E,#16213E);padding:50px 0}
.gyamnd{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.d9lwf .num{font-size:40px;font-weight:700;color:#FF6B8A;margin-bottom:6px}
.d9lwf .label{color:rgba(255,255,255,.7);font-size:14px}

/* === 专家卡片 === */
.jeg211b5{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.h3v4i{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s}
.h3v4i:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(255,107,138,.12)}
.h3v4i .avatar{width:90px;height:90px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #FF6B8A}
.h3v4i .avatar img{width:100%;height:100%;object-fit:cover}
.h3v4i h4{font-size:17px;color:#1A1A2E;margin-bottom:4px}
.h3v4i .role{color:#FF6B8A;font-size:13px;margin-bottom:10px}
.h3v4i p{font-size:13px;color:#777;line-height:1.6;margin-bottom:14px}
.h3v4i .d3xuc{display:flex;gap:8px;justify-content:center}

/* === FAQ === */
.zkkmuy9{max-width:800px;margin:0 auto}
.zb7918{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.04);overflow:hidden}
.zb7918 .uq7yz{padding:18px 24px;font-size:15px;font-weight:600;color:#1A1A2E;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.zb7918 .uq7yz:hover{background:rgba(255,107,138,.05)}
.zb7918 .uq7yz::after{content:'+';font-size:22px;color:#FF6B8A;transition:transform .3s}
.zb7918.open .uq7yz::after{transform:rotate(45deg)}
.zb7918 .g7dkfe{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:#666;font-size:14px;line-height:1.8}
.zb7918.open .g7dkfe{padding:0 24px 18px;max-height:500px}

/* === 用户评价 === */
.z3zcwg0{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pg8hu{background:#fff;border-radius:12px;padding:28px 24px;box-shadow:0 4px 20px rgba(0,0,0,.06);position:relative}
.pg8hu::before{content:'\201C';position:absolute;top:10px;left:18px;font-size:60px;color:rgba(255,107,138,.15);font-family:serif;line-height:1}
.pg8hu .stars{color:#FFB088;font-size:16px;margin-bottom:12px;letter-spacing:2px}
.pg8hu p{font-size:14px;color:#555;line-height:1.7;margin-bottom:14px}
.pg8hu .reviewer{display:flex;align-items:center;gap:10px}
.pg8hu .reviewer .zcap7{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#FF6B8A,#FFB088);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:600}
.pg8hu .reviewer .cyzeajnd{font-size:13px}
.pg8hu .reviewer .cyzeajnd strong{color:#1A1A2E}
.pg8hu .reviewer .cyzeajnd span{color:#999;font-size:12px}

/* === 合作品牌 === */
.cnhphvz{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.cnhphvz .cjbu01l{background:#fff;padding:16px 28px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.05);font-size:16px;font-weight:600;color:#555;transition:all .3s}
.cnhphvz .cjbu01l:hover{box-shadow:0 4px 20px rgba(255,107,138,.15);color:#FF6B8A}

/* === 联系我们 === */
.meoq8gl{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;align-items:start}
.b5xwe{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.b5xwe h3{font-size:20px;color:#1A1A2E;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid rgba(255,107,138,.2)}
.b5xwe .p53lq{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.b5xwe .p53lq .icon{width:36px;height:36px;background:linear-gradient(135deg,#FF6B8A,#FFB088);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0}
.b5xwe .p53lq .text{font-size:14px;color:#555}
.b5xwe .p53lq .text strong{display:block;color:#1A1A2E;margin-bottom:2px}
.rt6q9b{display:flex;gap:24px;justify-content:center}
.rt6q9b .kcz8br{text-align:center}
.rt6q9b .kcz8br img{width:150px;height:150px;border-radius:10px;margin-bottom:8px;box-shadow:0 2px 10px rgba(0,0,0,.1)}
.rt6q9b .kcz8br p{font-size:13px;color:#666}

/* === 社交分享 === */
.e39t3h{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.nogxj{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:13px;color:#fff;cursor:pointer;transition:opacity .3s}
.nogxj:hover{opacity:.85;color:#fff}
.kyi9c{background:#07C160}
.stc05igt{background:#E6162D}
.h4ia5{background:#161823}
.wv5qis30{background:#00A1D6}

/* === 页脚 === */
.site-footer{background:linear-gradient(135deg,#1A1A2E,#0F0F23);color:rgba(255,255,255,.6);padding:50px 0 0}
.doyldi{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.doyldi h4{color:#FF6B8A;font-size:16px;margin-bottom:16px}
.doyldi p,.doyldi a{font-size:13px;color:rgba(255,255,255,.5);line-height:2}
.doyldi a:hover{color:#FF6B8A}
.e9sm1y20 .wxy5q04{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.e9sm1y20 .wxy5q04 img{height:36px}
.e9sm1y20 .wxy5q04 span{font-size:20px;font-weight:700;color:#FF6B8A}
.h2kzw2{padding:20px 0;text-align:center;font-size:12px;color:rgba(255,255,255,.35)}
.h2kzw2 a{color:#FF6B8A}

/* === 内页视频播放 === */
.jxsrh4{background:#000;border-radius:12px;overflow:hidden;margin-bottom:30px;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.jxsrh4 video{width:100%;max-height:600px}
.rghb41m{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.06);margin-bottom:30px}
.rghb41m h1{font-size:24px;color:#1A1A2E;margin-bottom:12px}
.rghb41m .meta{display:flex;gap:20px;font-size:13px;color:#999;margin-bottom:16px;flex-wrap:wrap}
.rghb41m .meta span{display:flex;align-items:center;gap:4px}
.rghb41m .desc{font-size:14px;color:#555;line-height:1.8}
.urjv8ai{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.urjv8ai a{background:rgba(255,107,138,.1);color:#FF6B8A;padding:4px 14px;border-radius:15px;font-size:12px;transition:all .3s}
.urjv8ai a:hover{background:#FF6B8A;color:#fff}

/* === 侧边栏 === */
.r78dxc{display:grid;grid-template-columns:1fr 340px;gap:30px;align-items:start}
.sidebar .widget{background:#fff;border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.sidebar .widget h3{font-size:16px;color:#1A1A2E;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid rgba(255,107,138,.2)}
.sidebar .fx2z6u8i li{padding:10px 0;border-bottom:1px solid #f0f0f0;display:flex;gap:10px}
.sidebar .fx2z6u8i li:last-child{border:none}
.sidebar .fx2z6u8i li .rank{width:22px;height:22px;background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}
.sidebar .fx2z6u8i li a{font-size:13px;color:#555;line-height:1.5}
.sidebar .fx2z6u8i li a:hover{color:#FF6B8A}

/* === How-To指南 === */
.xtxm8cc{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.owg40k{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);position:relative}
.owg40k .fclrvq{width:40px;height:40px;background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:0 auto 14px}
.owg40k h4{font-size:15px;color:#1A1A2E;margin-bottom:8px}
.owg40k p{font-size:13px;color:#777;line-height:1.6}

/* === 弹幕模拟 === */
.qbcqgs5{position:relative;height:60px;overflow:hidden;background:rgba(26,26,46,.03);border-radius:8px;margin:20px 0}
.jebnpb{position:absolute;white-space:nowrap;font-size:13px;color:#FF6B8A;animation:danmuMove 12s linear infinite;padding:4px 12px;background:rgba(255,107,138,.08);border-radius:15px}
@keyframes danmuMove{from{transform:translateX(100vw)}to{transform:translateX(-100%)}}

/* === 响应式 === */
@media(max-width:1024px){
.j61b901x{grid-template-columns:repeat(3,1fr)}
.jeg211b5{grid-template-columns:repeat(2,1fr)}
.gyamnd{grid-template-columns:repeat(2,1fr)}
.doyldi{grid-template-columns:repeat(2,1fr)}
.r78dxc{grid-template-columns:1fr}
.xtxm8cc{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-inner{padding:0 15px}
.main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#1A1A2E;flex-direction:column;padding:10px 0;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.main-nav.open{display:flex}
.main-nav a{line-height:50px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.05)}
.jg3btdp5{display:flex}
.u8hd2o6{height:360px}
.xmyk4zy h1{font-size:26px}
.xmyk4zy p{font-size:14px}
.j61b901x{grid-template-columns:repeat(2,1fr);gap:16px}
.z3zcwg0{grid-template-columns:1fr}
.meoq8gl{grid-template-columns:1fr}
.section{padding:40px 0}
.qedj5 h2{font-size:24px}
.jeg211b5{grid-template-columns:1fr}
.doyldi{grid-template-columns:1fr}
.gyamnd{grid-template-columns:repeat(2,1fr);gap:20px}
.d9lwf .num{font-size:28px}
.xtxm8cc{grid-template-columns:1fr}
}
@media(max-width:480px){
.j61b901x{grid-template-columns:1fr}
.u8hd2o6{height:280px}
.xmyk4zy h1{font-size:22px}
.rt6q9b{flex-direction:column;align-items:center}
}

/* === 懒加载 === */
img[data-src]{opacity:0;transition:opacity .5s}
img.loaded{opacity:1}

/* === 动画 === */
.l4h5r{opacity:0;transform:translateY(20px);transition:all .6s}
.l4h5r.visible{opacity:1;transform:translateY(0)}