/* ============================================
   糖心 - 原创样式表
   品牌色：#6C3CE1(紫) → #FF6B9D(粉)
   背景色：#0D0B1A(深色)
   ============================================ */

/* === 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","Helvetica Neue",Arial,sans-serif;background:#0D0B1A;color:#E8E0F0;line-height:1.7;overflow-x:hidden}
a{color:#C9A0FF;text-decoration:none;transition:color .3s}
a:hover{color:#FF6B9D}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#fff}

/* === 容器 === */
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.section-wrap{padding:60px 0}

/* === 渐变文字 === */
.gr059j6j{background:linear-gradient(135deg,#6C3CE1,#FF6B9D);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* === 顶部导航 === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,11,26,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(108,60,225,.2);transition:all .3s}
.site-header.scrolled{background:rgba(13,11,26,.98);box-shadow:0 2px 20px rgba(108,60,225,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:42px;width:auto}
.logo-wrap span{font-size:1.3rem;font-weight:800;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;border-radius:8px;font-size:.9rem;color:#C9A0FF;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:rgba(108,60,225,.15);color:#fff}

/* === 搜索框 === */
.search-bar{background:rgba(108,60,225,.08);border-bottom:1px solid rgba(108,60,225,.12);padding:10px 0;margin-top:68px}
.search-bar-inner{display:flex;align-items:center;justify-content:center;gap:10px;max-width:640px;margin:0 auto}
.search-bar input{flex:1;padding:10px 18px;border-radius:24px;border:1px solid rgba(108,60,225,.3);background:rgba(13,11,26,.6);color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-bar input:focus{border-color:#6C3CE1}
.search-bar input::placeholder{color:#8B7BAE}
.search-bar button{padding:10px 24px;border-radius:24px;border:none;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);color:#fff;font-size:.95rem;cursor:pointer;transition:opacity .3s;white-space:nowrap}
.search-bar button:hover{opacity:.85}

/* === 移动端菜单 === */
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.mobile-toggle span{width:24px;height:2px;background:#C9A0FF;border-radius:2px;transition:all .3s}
.mobile-nav{display:none;position:fixed;top:68px;left:0;width:100%;background:rgba(13,11,26,.98);padding:20px;flex-direction:column;gap:8px;border-bottom:1px solid rgba(108,60,225,.2);z-index:999}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:12px 16px;border-radius:8px;color:#C9A0FF;font-size:1rem}
.mobile-nav a:hover{background:rgba(108,60,225,.15);color:#fff}

/* === Hero Banner === */
.hero-section{position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center}
.wxo4d{position:absolute;inset:0;z-index:0}
.wxo4d img{width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.rex5ij9{position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,11,26,.3) 0%,rgba(13,11,26,.85) 100%);z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;padding:60px 20px}
.hero-content h1{font-size:2.8rem;margin-bottom:16px}
.hero-content h2{font-size:1.3rem;color:#C9A0FF;margin-bottom:10px;font-weight:400}
.hero-content p{font-size:1.05rem;color:#B8A8D0;max-width:680px;margin:0 auto 28px}
.jwqks{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:28px}
.jwqks span{padding:6px 16px;border-radius:20px;background:rgba(108,60,225,.2);color:#C9A0FF;font-size:.85rem;border:1px solid rgba(108,60,225,.3)}
.oek3o4{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:28px;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);color:#fff;font-size:1rem;font-weight:600;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(108,60,225,.4);color:#fff}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:28px;border:2px solid rgba(108,60,225,.5);color:#C9A0FF;font-size:1rem;font-weight:600;transition:all .3s;background:transparent;cursor:pointer}
.btn-outline:hover{border-color:#6C3CE1;background:rgba(108,60,225,.1);color:#fff}

/* === 更新提示条 === */
.vy7u4g{text-align:center;padding:10px 0;font-size:.85rem;color:#8B7BAE;border-bottom:1px solid rgba(108,60,225,.08)}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#8B7BAE}
.breadcrumb a{color:#C9A0FF}
.breadcrumb span{margin:0 6px;color:#5A4D73}

/* === 区块标题 === */
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:2rem;margin-bottom:10px}
.section-title h3{font-size:1.1rem;color:#8B7BAE;font-weight:400}
.section-title .line{width:60px;height:3px;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);margin:14px auto 0;border-radius:2px}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.video-card{position:relative;border-radius:14px;overflow:hidden;background:#151228;border:1px solid rgba(108,60,225,.12);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(108,60,225,.2)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;display:none}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(13,11,26,.45);z-index:3}
.video-card:hover .play-btn{opacity:1}
.play-btn-icon{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(108,60,225,.4);transition:transform .3s}
.play-btn-icon:hover{transform:scale(1.1)}
.play-btn-icon svg{width:24px;height:24px;fill:#fff;margin-left:3px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;z-index:4}
.video-info{padding:16px}
.video-info h4{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:14px;font-size:.8rem;color:#8B7BAE}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;padding:3px 10px;border-radius:12px;background:rgba(108,60,225,.15);color:#C9A0FF;font-size:.75rem;margin-top:8px;margin-right:4px}

/* === 服务模块 === */
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.service-card{padding:32px 24px;border-radius:14px;background:linear-gradient(145deg,#151228,#1A1535);border:1px solid rgba(108,60,225,.1);text-align:center;transition:all .3s}
.service-card:hover{border-color:rgba(108,60,225,.3);transform:translateY(-4px)}
.service-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:16px;background:linear-gradient(135deg,rgba(108,60,225,.2),rgba(255,107,157,.2));display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.service-card h4{font-size:1.1rem;margin-bottom:10px}
.service-card p{font-size:.9rem;color:#8B7BAE;line-height:1.6}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{padding:28px 20px;border-radius:14px;background:#151228;border:1px solid rgba(108,60,225,.1);text-align:center;transition:all .3s}
.expert-card:hover{border-color:rgba(108,60,225,.3);transform:translateY(-4px)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid rgba(108,60,225,.3)}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1.05rem;margin-bottom:4px}
.expert-card .role{color:#FF6B9D;font-size:.85rem;margin-bottom:6px}
.expert-credentials{font-size:.78rem;color:#8B7BAE;margin-bottom:10px;padding:6px 12px;background:rgba(108,60,225,.06);border-radius:8px;display:inline-block}
.expert-card p{font-size:.85rem;color:#8B7BAE;line-height:1.5;margin-bottom:14px}
.expert-btns{display:flex;justify-content:center;gap:10px}
.btn-sm{padding:6px 16px;border-radius:16px;font-size:.8rem;border:1px solid rgba(108,60,225,.3);color:#C9A0FF;transition:all .3s;background:transparent;cursor:pointer}
.btn-sm:hover{background:rgba(108,60,225,.15);color:#fff}

/* === 合作品牌 === */
.ddldcw3q{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;align-items:center}
.rt60wqmx{padding:16px 28px;border-radius:12px;background:rgba(21,18,40,.8);border:1px solid rgba(108,60,225,.1);color:#8B7BAE;font-size:1rem;font-weight:600;transition:all .3s}
.rt60wqmx:hover{border-color:rgba(108,60,225,.3);color:#C9A0FF}

/* === 用户评价 === */
.f2mjrg{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.dl3amvm{padding:24px;border-radius:14px;background:#151228;border:1px solid rgba(108,60,225,.1);transition:all .3s}
.dl3amvm:hover{border-color:rgba(108,60,225,.3)}
.f19ld{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.dzv1p6fq{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.gdqxvvrt{font-weight:600;font-size:.95rem}
.k29c1lc{font-size:.8rem;color:#8B7BAE}
.hu9u0{color:#FFD700;margin-bottom:10px;font-size:.9rem;letter-spacing:2px}
.dl3amvm p{font-size:.9rem;color:#B8A8D0;line-height:1.6}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid rgba(108,60,225,.12);border-radius:12px;margin-bottom:12px;overflow:hidden;background:#151228}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;transition:background .3s}
.faq-question:hover{background:rgba(108,60,225,.06)}
.faq-question .arrow{transition:transform .3s;color:#6C3CE1;font-size:1.2rem}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}
.faq-item.open .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{font-size:.9rem;color:#B8A8D0;line-height:1.7}

/* === 联系信息 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{padding:28px 24px;border-radius:14px;background:#151228;border:1px solid rgba(108,60,225,.1);text-align:center}
.contact-card h4{margin-bottom:12px;font-size:1.05rem}
.contact-card p{font-size:.9rem;color:#8B7BAE;line-height:1.6}
.contact-card a{color:#C9A0FF}

/* === How-To 指南 === */
.q8k3ot4{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;margin-top:32px}
.cabjts{text-align:center;padding:24px 20px}
.costv{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.2rem;margin:0 auto 14px}
.cabjts h4{margin-bottom:8px;font-size:1rem}
.cabjts p{font-size:.85rem;color:#8B7BAE}

/* === 社交分享 === */
.share-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:24px;font-size:.9rem;color:#fff;transition:all .3s;border:none;cursor:pointer}
.share-btn:hover{transform:translateY(-2px);opacity:.9}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* === 页脚 === */
.site-footer{background:#0A0818;border-top:1px solid rgba(108,60,225,.12);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;margin-bottom:36px}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:#fff}
.footer-col p,.footer-col a{font-size:.85rem;color:#8B7BAE;line-height:1.8;display:block}
.footer-col a:hover{color:#C9A0FF}
.footer-qr{display:flex;gap:20px;margin-top:12px}
.footer-qr img{width:100px;height:100px;border-radius:8px;border:1px solid rgba(108,60,225,.2)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(108,60,225,.08);font-size:.8rem;color:#5A4D73}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo img{height:32px}
.footer-logo span{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* === 数据统计条 === */
.usv90{background:linear-gradient(135deg,rgba(108,60,225,.1),rgba(255,107,157,.1));padding:40px 0;border-top:1px solid rgba(108,60,225,.08);border-bottom:1px solid rgba(108,60,225,.08)}
.aa6z0{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.qf8csbm1 .num{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg,#6C3CE1,#FF6B9D);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.qf8csbm1 .label{font-size:.85rem;color:#8B7BAE;margin-top:4px}

/* === 内页Banner === */
.page-banner{padding:60px 0;background:linear-gradient(135deg,rgba(108,60,225,.15),rgba(255,107,157,.08));text-align:center;position:relative;overflow:hidden}
.page-banner h1{font-size:2.2rem;margin-bottom:10px}
.page-banner p{color:#8B7BAE;font-size:1rem}

/* === 内容区 === */
.content-area{padding:48px 0}
.content-area h2{font-size:1.6rem;margin-bottom:16px}
.content-area h3{font-size:1.3rem;margin-bottom:12px;color:#C9A0FF}
.content-area p{margin-bottom:16px;color:#B8A8D0;line-height:1.8}
.content-area ul{margin-bottom:16px;padding-left:20px}
.content-area ul li{color:#B8A8D0;margin-bottom:8px;position:relative;padding-left:16px}
.content-area ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,#6C3CE1,#FF6B9D)}

/* === 懒加载 === */
.lazy{transition:opacity .6s}
.lazy.loaded{opacity:1}

/* === 动画 === */
.yrkmn{opacity:1;transform:translateY(0);transition:opacity .6s,transform .6s}
.yrkmn.visible{opacity:1;transform:translateY(0)}

/* === 响应式 === */
@media(max-width:1024px){
  .hero-content h1{font-size:2.2rem}
  .aa6z0{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .main-nav{display:none}
  .mobile-toggle{display:flex}
  .hero-content h1{font-size:1.8rem}
  .hero-content{padding:40px 16px}
  .hero-section{min-height:420px}
  .section-wrap{padding:40px 0}
  .section-title h2{font-size:1.6rem}
  .video-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .aa6z0{grid-template-columns:repeat(2,1fr);gap:16px}
  .qf8csbm1 .num{font-size:1.6rem}
  .header-inner{height:56px}
  .hero-section{margin-top:56px}
  .search-bar-inner{padding:0 16px}
  .service-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .hero-content h1{font-size:1.5rem}
  .footer-grid{grid-template-columns:1fr}
  .oek3o4{flex-direction:column;align-items:center}
  .btn-primary,.btn-outline{width:100%;justify-content:center}
  .expert-grid{grid-template-columns:1fr}
  .f2mjrg{grid-template-columns:1fr}
}