/* ============================================================
   玩物社区 主样式文件 | y958hf.cn
   原创配色方案：珊瑚玫瑰 + 深邃星空
   ============================================================ */

/* ---- CSS变量 ---- */
:root {
  --primary: #E8365D;
  --primary-light: #FF6B8A;
  --primary-dark: #C0284A;
  --accent: #FF9A3C;
  --accent2: #7B5EA7;
  --bg-dark: #0D0F1A;
  --bg-card: #161828;
  --bg-card2: #1E2035;
  --text-main: #F0F2FF;
  --text-muted: #9BA3C8;
  --text-light: #C8CCEC;
  --border: rgba(232,54,93,0.18);
  --border-light: rgba(255,255,255,0.08);
  --shadow: 0 4px 24px rgba(0,0,0,0.45);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.35);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.28s cubic-bezier(0.4,0,0.2,1);
  --font-main: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --gradient-primary: linear-gradient(135deg,#E8365D 0%,#FF6B8A 50%,#FF9A3C 100%);
  --gradient-dark: linear-gradient(180deg,#0D0F1A 0%,#161828 100%);
  --gradient-card: linear-gradient(145deg,#1E2035 0%,#161828 100%);
}

/* ---- 重置与基础 ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font-main);
  background:var(--bg-dark);
  color:var(--text-main);
  line-height:1.7;
  overflow-x:hidden;
  min-height:100vh;
}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-light)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:var(--font-main)}

/* ---- 滚动条 ---- */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:#0D0F1A}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}

/* ============================================================
   顶部公告栏
   ============================================================ */
.apnc1vag{
  background:var(--gradient-primary);
  color:#fff;
  text-align:center;
  font-size:13px;
  padding:6px 20px;
  letter-spacing:0.5px;
}
.apnc1vag a{color:#fff;font-weight:600;text-decoration:underline}

/* ============================================================
   导航头部
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(13,15,26,0.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 20px rgba(0,0,0,0.4);
}
.header-inner{
  max-width:1280px;
  margin:0 auto;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.site-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  text-decoration:none;
}
.site-logo img.wax4x{
  height:40px;
  width:auto;
  border-radius:8px;
}
.site-logo img.f7f2b{
  height:28px;
  width:28px;
  border-radius:6px;
}
.logo-text{
  font-size:20px;
  font-weight:800;
  background:var(--gradient-primary);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
}
.main-nav a{
  padding:6px 14px;
  border-radius:var(--radius-sm);
  font-size:14px;
  font-weight:500;
  color:var(--text-light);
  transition:all var(--transition);
  white-space:nowrap;
}
.main-nav a:hover,.main-nav a.active{
  background:rgba(232,54,93,0.15);
  color:var(--primary-light);
}
.main-nav a.active{
  font-weight:700;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.btn-login{
  padding:7px 18px;
  border:1.5px solid var(--primary);
  border-radius:20px;
  color:var(--primary-light);
  font-size:13px;
  font-weight:600;
  transition:all var(--transition);
}
.btn-login:hover{
  background:var(--primary);
  color:#fff;
}
.btn-register{
  padding:7px 18px;
  background:var(--gradient-primary);
  border-radius:20px;
  color:#fff;
  font-size:13px;
  font-weight:700;
  transition:all var(--transition);
  box-shadow:0 2px 12px rgba(232,54,93,0.35);
}
.btn-register:hover{
  transform:translateY(-1px);
  box-shadow:0 4px 20px rgba(232,54,93,0.5);
}
.lltfyr{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:6px;
  cursor:pointer;
}
.lltfyr span{
  display:block;
  width:22px;
  height:2px;
  background:var(--text-main);
  border-radius:2px;
  transition:all var(--transition);
}

/* ============================================================
   搜索栏
   ============================================================ */
.gytizx{
  background:var(--bg-card);
  border-bottom:1px solid var(--border-light);
  padding:10px 20px;
}
.qgebzr{
  max-width:1280px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.search-form{
  display:flex;
  flex:1;
  max-width:600px;
  background:var(--bg-card2);
  border:1.5px solid var(--border);
  border-radius:24px;
  overflow:hidden;
  transition:border-color var(--transition);
}
.search-form:focus-within{
  border-color:var(--primary);
}
.search-form input{
  flex:1;
  background:none;
  border:none;
  outline:none;
  padding:9px 16px;
  color:var(--text-main);
  font-size:14px;
  font-family:var(--font-main);
}
.search-form input::placeholder{color:var(--text-muted)}
.search-form button{
  padding:9px 20px;
  background:var(--gradient-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:opacity var(--transition);
}
.search-form button:hover{opacity:0.85}
.c3bbeo7{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.c3bbeo7 a{
  font-size:12px;
  color:var(--text-muted);
  padding:3px 10px;
  border:1px solid var(--border-light);
  border-radius:12px;
  transition:all var(--transition);
}
.c3bbeo7 a:hover{
  border-color:var(--primary);
  color:var(--primary-light);
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb{
  max-width:1280px;
  margin:0 auto;
  padding:10px 20px;
  font-size:13px;
  color:var(--text-muted);
  display:flex;
  align-items:center;
  gap:6px;
}
.breadcrumb a{color:var(--text-muted);transition:color var(--transition)}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb .sep{color:var(--border)}
.breadcrumb .current{color:var(--text-light)}

/* ============================================================
   Hero Banner 轮播
   ============================================================ */
.hero-banner{
  position:relative;
  overflow:hidden;
  background:#000;
}
.swiper-container{
  width:100%;
  height:520px;
}
.swiper-slide{
  position:relative;
  overflow:hidden;
}
.swiper-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 8s ease;
}
.swiper-slide:hover img{transform:scale(1.04)}
.xp84zq8{
  position:absolute;
  inset:0;
  background:linear-gradient(to right,rgba(13,15,26,0.82) 0%,rgba(13,15,26,0.3) 60%,transparent 100%);
  display:flex;
  align-items:center;
  padding:0 80px;
}
.aezi42f{
  max-width:520px;
}
.bqb385i6{
  display:inline-block;
  background:var(--gradient-primary);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:3px 12px;
  border-radius:12px;
  margin-bottom:12px;
  letter-spacing:1px;
}
.aezi42f h2{
  font-size:36px;
  font-weight:900;
  line-height:1.2;
  margin-bottom:12px;
  text-shadow:0 2px 12px rgba(0,0,0,0.5);
}
.aezi42f p{
  font-size:15px;
  color:rgba(255,255,255,0.8);
  margin-bottom:20px;
  line-height:1.6;
}
.u0ik6u{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.h6nnn{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 24px;
  background:var(--gradient-primary);
  color:#fff;
  border-radius:24px;
  font-size:14px;
  font-weight:700;
  box-shadow:0 4px 20px rgba(232,54,93,0.4);
  transition:all var(--transition);
}
.h6nnn:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(232,54,93,0.55)}
.h6nnn svg{width:16px;height:16px;fill:#fff}
.e2q7v{
  padding:10px 24px;
  border:1.5px solid rgba(255,255,255,0.5);
  color:#fff;
  border-radius:24px;
  font-size:14px;
  font-weight:600;
  transition:all var(--transition);
}
.e2q7v:hover{background:rgba(255,255,255,0.12);border-color:#fff}
.swiper-pagination{
  position:absolute;
  bottom:20px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:8px;
  z-index:10;
}
.wgok5{
  width:8px;height:8px;
  border-radius:4px;
  background:rgba(255,255,255,0.4);
  cursor:pointer;
  transition:all var(--transition);
}
.swiper-pagination-bullet.active{
  width:24px;
  background:var(--primary);
}
.swiper-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:10;
  width:44px;height:44px;
  background:rgba(13,15,26,0.6);
  border:1px solid var(--border);
  border-radius:50%;
  color:#fff;
  font-size:18px;
  display:flex;align-items:center;justify-content:center;
  transition:all var(--transition);
  cursor:pointer;
}
.swiper-btn:hover{background:var(--primary);border-color:var(--primary)}
.v0zse{left:20px}
.08vtif0{right:20px}

/* ============================================================
   通用区块
   ============================================================ */
.section{
  padding:60px 0;
}
.tsl8maq5{
  background:var(--bg-card);
}
.container{
  max-width:1280px;
  margin:0 auto;
  padding:0 20px;
}
.section-header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:32px;
  gap:16px;
}
.section-title-wrap{}
.section-label{
  font-size:12px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:6px;
}
.section-title{
  font-size:26px;
  font-weight:800;
  color:var(--text-main);
  line-height:1.2;
}
.section-title span{
  background:var(--gradient-primary);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.section-desc{
  font-size:14px;
  color:var(--text-muted);
  margin-top:6px;
}
.view-all{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--primary-light);
  font-weight:600;
  white-space:nowrap;
  transition:gap var(--transition);
}
.view-all:hover{gap:10px}

/* ============================================================
   视频卡片
   ============================================================ */
.video-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.video-grid-3{
  grid-template-columns:repeat(3,1fr);
}
.n2c8w{
  grid-template-columns:repeat(5,1fr);
}
.video-card{
  background:var(--bg-card);
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border-light);
  transition:all var(--transition);
  cursor:pointer;
  display:block;
  text-decoration:none;
  color:inherit;
}
.video-card:hover{
  transform:translateY(-4px);
  border-color:var(--primary);
  box-shadow:0 8px 32px rgba(232,54,93,0.25);
}
.video-thumb{
  position:relative;
  padding-bottom:56.25%;
  overflow:hidden;
  background:#0a0b15;
}
.video-thumb img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--transition);
}
.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;
  background:rgba(0,0,0,0);
  transition:background var(--transition);
}
.video-card:hover .video-play-btn{background:rgba(0,0,0,0.35)}
.play-icon{
  width:48px;height:48px;
  background:rgba(232,54,93,0.9);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  opacity:0;
  transform:scale(0.8);
  transition:all var(--transition);
  box-shadow:0 4px 20px rgba(232,54,93,0.5);
}
.video-card:hover .play-icon{opacity:1;transform:scale(1)}
.play-icon svg{width:18px;height:18px;fill:#fff;margin-left:3px}
.video-duration{
  position:absolute;
  bottom:8px;right:8px;
  background:rgba(0,0,0,0.75);
  color:#fff;
  font-size:11px;
  font-weight:600;
  padding:2px 7px;
  border-radius:4px;
}
.video-badge{
  position:absolute;
  top:8px;left:8px;
  background:var(--gradient-primary);
  color:#fff;
  font-size:10px;
  font-weight:700;
  padding:2px 8px;
  border-radius:4px;
  letter-spacing:0.5px;
}
.video-info{
  padding:12px 14px;
}
.video-title{
  font-size:14px;
  font-weight:600;
  color:var(--text-main);
  line-height:1.4;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.video-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:12px;
  color:var(--text-muted);
}
.video-meta span{
  display:flex;
  align-items:center;
  gap:4px;
}
.video-meta svg{width:12px;height:12px;fill:currentColor;opacity:0.7}
.video-author{
  display:flex;
  align-items:center;
  gap:6px;
  margin-top:8px;
}
.author-avatar{
  width:22px;height:22px;
  border-radius:50%;
  background:var(--gradient-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:10px;color:#fff;font-weight:700;
  flex-shrink:0;
}
.author-name{
  font-size:12px;
  color:var(--text-muted);
}

/* ============================================================
   分类标签导航
   ============================================================ */
.cat-tabs{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.cat-tab{
  padding:6px 16px;
  border-radius:16px;
  font-size:13px;
  font-weight:500;
  color:var(--text-muted);
  border:1px solid var(--border-light);
  cursor:pointer;
  transition:all var(--transition);
}
.cat-tab:hover,.cat-tab.active{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}

/* ============================================================
   专家展示
   ============================================================ */
.expert-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.expert-card{
  background:var(--gradient-card);
  border-radius:var(--radius);
  border:1px solid var(--border-light);
  padding:24px 20px;
  text-align:center;
  transition:all var(--transition);
}
.expert-card:hover{
  border-color:var(--primary);
  transform:translateY(-3px);
  box-shadow:var(--shadow-card);
}
.expert-avatar{
  width:80px;height:80px;
  border-radius:50%;
  margin:0 auto 14px;
  background:var(--gradient-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:28px;
  font-weight:800;
  color:#fff;
  border:3px solid var(--border);
}
.expert-name{
  font-size:16px;
  font-weight:700;
  margin-bottom:4px;
}
.expert-role{
  font-size:12px;
  color:var(--primary-light);
  font-weight:600;
  margin-bottom:10px;
}
.expert-desc{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.6;
  margin-bottom:14px;
}
.expert-awards{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  justify-content:center;
  margin-bottom:14px;
}
.award-tag{
  font-size:11px;
  padding:2px 8px;
  background:rgba(232,54,93,0.12);
  color:var(--primary-light);
  border-radius:8px;
  border:1px solid rgba(232,54,93,0.2);
}
.expert-btns{
  display:flex;
  gap:8px;
  justify-content:center;
}
.btn-sm{
  padding:5px 14px;
  border-radius:14px;
  font-size:12px;
  font-weight:600;
  transition:all var(--transition);
}
.btn-sm-primary{
  background:var(--gradient-primary);
  color:#fff;
}
.btn-sm-outline{
  border:1px solid var(--primary);
  color:var(--primary-light);
}
.btn-sm-outline:hover{background:var(--primary);color:#fff}

/* ============================================================
   合作品牌Logo墙
   ============================================================ */
.partner-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:16px;
}
.partner-item{
  background:var(--bg-card2);
  border:1px solid var(--border-light);
  border-radius:var(--radius-sm);
  padding:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  color:var(--text-muted);
  transition:all var(--transition);
  height:64px;
}
.partner-item:hover{
  border-color:var(--primary);
  color:var(--primary-light);
  background:rgba(232,54,93,0.06);
}

/* ============================================================
   How-To 加入社区
   ============================================================ */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step-card{
  background:var(--gradient-card);
  border-radius:var(--radius);
  border:1px solid var(--border-light);
  padding:28px 20px;
  text-align:center;
  position:relative;
}
.step-card::after{
  content:'→';
  position:absolute;
  right:-14px;
  top:50%;
  transform:translateY(-50%);
  color:var(--primary);
  font-size:20px;
  font-weight:700;
}
.step-card:last-child::after{display:none}
.step-num{
  width:48px;height:48px;
  border-radius:50%;
  background:var(--gradient-primary);
  color:#fff;
  font-size:20px;
  font-weight:900;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;
  box-shadow:0 4px 16px rgba(232,54,93,0.35);
}
.step-title{
  font-size:15px;
  font-weight:700;
  margin-bottom:8px;
}
.step-desc{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.6;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color var(--transition);
}
.faq-item.open{border-color:var(--primary)}
.faq-q{
  padding:16px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  cursor:pointer;
  font-size:15px;
  font-weight:600;
  gap:12px;
  user-select:none;
}
.faq-q:hover{color:var(--primary-light)}
.faq-icon{
  width:24px;height:24px;
  border-radius:50%;
  background:rgba(232,54,93,0.12);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:all var(--transition);
  font-size:16px;
  color:var(--primary);
}
.faq-item.open .faq-icon{
  background:var(--primary);
  color:#fff;
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.4s ease,padding 0.3s ease;
  padding:0 20px;
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
}
.faq-item.open .faq-a{
  max-height:300px;
  padding:0 20px 16px;
}

/* ============================================================
   用户评价
   ============================================================ */
.reviews-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.review-card{
  background:var(--gradient-card);
  border-radius:var(--radius);
  border:1px solid var(--border-light);
  padding:22px 20px;
  transition:all var(--transition);
}
.review-card:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
}
.review-stars{
  color:#FFB800;
  font-size:14px;
  margin-bottom:10px;
  letter-spacing:2px;
}
.review-text{
  font-size:14px;
  color:var(--text-light);
  line-height:1.7;
  margin-bottom:14px;
}
.review-user{
  display:flex;
  align-items:center;
  gap:10px;
}
.review-avatar{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--gradient-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;
  flex-shrink:0;
}
.review-name{
  font-size:13px;
  font-weight:600;
}
.review-date{
  font-size:11px;
  color:var(--text-muted);
}

/* ============================================================
   联系我们 / 社区入口
   ============================================================ */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
}
.contact-card{
  background:var(--gradient-card);
  border-radius:var(--radius-lg);
  border:1px solid var(--border-light);
  padding:32px;
}
.contact-card h3{
  font-size:20px;
  font-weight:800;
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:10px;
}
.contact-card h3 .icon{
  width:36px;height:36px;
  background:var(--gradient-primary);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.contact-info-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.contact-info-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
}
.contact-info-item .label{
  color:var(--text-muted);
  min-width:70px;
  flex-shrink:0;
}
.contact-info-item .val{
  color:var(--text-main);
  font-weight:500;
}
.qr-row{
  display:flex;
  gap:20px;
  margin-top:20px;
}
.qr-item{
  text-align:center;
}
.qr-item img{
  width:100px;height:100px;
  border-radius:var(--radius-sm);
  border:2px solid var(--border);
  margin-bottom:6px;
}
.qr-item p{
  font-size:12px;
  color:var(--text-muted);
}

/* ============================================================
   社交分享
   ============================================================ */
.share-bar{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.fwvwsyu{
  font-size:13px;
  color:var(--text-muted);
}
.share-btn{
  display:flex;
  align-items:center;
  gap:6px;
  padding:7px 16px;
  border-radius:20px;
  font-size:13px;
  font-weight:600;
  transition:all var(--transition);
  border:1px solid var(--border-light);
  color:var(--text-light);
}
.share-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,0.3)}
.ygp70e0{background:#07C160;border-color:#07C160;color:#fff}
.4xf20{background:#E6162D;border-color:#E6162D;color:#fff}
.xi3z53d{background:#010101;border-color:#333;color:#fff}
.vs8mbk2k{background:#00A1D6;border-color:#00A1D6;color:#fff}

/* ============================================================
   AI赋能模块
   ============================================================ */
.ai-features-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.ai-feature-card{
  background:var(--gradient-card);
  border-radius:var(--radius);
  border:1px solid var(--border-light);
  padding:28px 24px;
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.ai-feature-card::before{
  content:'';
  position:absolute;
  top:-40px;right:-40px;
  width:120px;height:120px;
  background:radial-gradient(circle,rgba(232,54,93,0.12) 0%,transparent 70%);
  border-radius:50%;
}
.ai-feature-card:hover{
  border-color:var(--primary);
  transform:translateY(-3px);
}
.ai-icon{
  font-size:36px;
  margin-bottom:14px;
}
.ai-feature-card h4{
  font-size:16px;
  font-weight:700;
  margin-bottom:10px;
}
.ai-feature-card p{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.7;
}

/* ============================================================
   统计数字
   ============================================================ */
.stats-bar{
  background:var(--gradient-primary);
  padding:28px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  text-align:center;
}
.stat-item{}
.stat-num{
  font-size:36px;
  font-weight:900;
  color:#fff;
  line-height:1;
  margin-bottom:6px;
}
.stat-label{
  font-size:13px;
  color:rgba(255,255,255,0.8);
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  background:#080A14;
  border-top:1px solid var(--border-light);
  padding:48px 0 0;
}
.footer-inner{
  max-width:1280px;
  margin:0 auto;
  padding:0 20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr 1.5fr;
  gap:40px;
  margin-bottom:40px;
}
.footer-brand .logo-text{
  font-size:22px;
  margin-bottom:12px;
  display:block;
}
.footer-brand p{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:16px;
}
.footer-social{
  display:flex;
  gap:10px;
}
.1xuez26{
  width:34px;height:34px;
  border-radius:8px;
  background:var(--bg-card2);
  border:1px solid var(--border-light);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:all var(--transition);
}
.1xuez26:hover{background:var(--primary);border-color:var(--primary)}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:16px;
  padding-bottom:8px;
  border-bottom:1px solid var(--border-light);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-links a{
  font-size:13px;
  color:var(--text-muted);
  transition:color var(--transition);
}
.footer-links a:hover{color:var(--primary-light)}
.footer-qr{
  display:flex;
  gap:16px;
}
.footer-qr-item{
  text-align:center;
}
.footer-qr-item img{
  width:80px;height:80px;
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  margin-bottom:6px;
}
.footer-qr-item p{
  font-size:11px;
  color:var(--text-muted);
}
.9x6yfsk{
  border-top:1px solid var(--border-light);
  padding:18px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
}
.9x6yfsk p{
  font-size:12px;
  color:var(--text-muted);
}
.9x6yfsk a{
  color:var(--text-muted);
  transition:color var(--transition);
}
.9x6yfsk a:hover{color:var(--primary-light)}
.footer-icp{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

/* ============================================================
   视频播放页
   ============================================================ */
.player-wrap{
  background:#000;
  border-radius:var(--radius);
  overflow:hidden;
  aspect-ratio:16/9;
  position:relative;
}
.player-wrap iframe,.player-wrap video{
  width:100%;height:100%;
  border:none;
}
.player-layout{
  display:grid;
  grid-template-columns:1fr 340px;
  gap:24px;
  align-items:start;
}
.player-main{}
.player-sidebar{}
.video-detail-title{
  font-size:20px;
  font-weight:800;
  margin:16px 0 8px;
  line-height:1.3;
}
.video-detail-meta{
  display:flex;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.video-detail-meta span{
  display:flex;
  align-items:center;
  gap:4px;
}
.video-detail-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:20px;
}
.action-btn{
  display:flex;
  align-items:center;
  gap:6px;
  padding:8px 18px;
  border-radius:20px;
  font-size:13px;
  font-weight:600;
  border:1px solid var(--border-light);
  color:var(--text-light);
  transition:all var(--transition);
}
.action-btn:hover{border-color:var(--primary);color:var(--primary-light)}
.action-btn.liked{background:var(--primary);border-color:var(--primary);color:#fff}
.video-desc{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  padding:16px;
  background:var(--bg-card);
  border-radius:var(--radius-sm);
  margin-bottom:24px;
}
.sidebar-title{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  padding-bottom:8px;
  border-bottom:1px solid var(--border-light);
}
.sidebar-video-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.sidebar-video-item{
  display:flex;
  gap:10px;
  cursor:pointer;
  transition:all var(--transition);
  padding:6px;
  border-radius:var(--radius-sm);
}
.sidebar-video-item:hover{background:var(--bg-card2)}
.sidebar-thumb{
  width:120px;
  height:68px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  flex-shrink:0;
  background:#0a0b15;
  position:relative;
}
.sidebar-thumb img{
  width:100%;height:100%;
  object-fit:cover;
}
.sidebar-info{}
.sidebar-video-title{
  font-size:13px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:4px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.sidebar-video-meta{
  font-size:11px;
  color:var(--text-muted);
}

/* ============================================================
   分页
   ============================================================ */
.pagination{
  display:flex;
  justify-content:center;
  gap:8px;
  margin-top:40px;
  flex-wrap:wrap;
}
.page-btn{
  width:36px;height:36px;
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  font-weight:600;
  border:1px solid var(--border-light);
  color:var(--text-muted);
  transition:all var(--transition);
  cursor:pointer;
}
.page-btn:hover,.page-btn.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}

/* ============================================================
   移动端导航
   ============================================================ */
.mobile-nav{
  display:none;
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background:rgba(13,15,26,0.97);
  z-index:2000;
  flex-direction:column;
  padding:80px 30px 30px;
  gap:8px;
  overflow-y:auto;
}
.mobile-nav.open{display:flex}
.mobile-nav a{
  padding:14px 0;
  font-size:18px;
  font-weight:600;
  color:var(--text-light);
  border-bottom:1px solid var(--border-light);
  transition:color var(--transition);
}
.mobile-nav a:hover{color:var(--primary-light)}
.ij6utbh{
  position:absolute;
  top:20px;right:20px;
  width:40px;height:40px;
  background:var(--bg-card);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;
  cursor:pointer;
  color:var(--text-main);
}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:1100px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:900px){
  .swiper-container{height:380px}
  .xp84zq8{padding:0 40px}
  .aezi42f h2{font-size:26px}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .n2c8w{grid-template-columns:repeat(3,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .step-card::after{display:none}
  .reviews-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .player-layout{grid-template-columns:1fr}
  .ai-features-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .main-nav{display:none}
  .lltfyr{display:flex}
  .header-actions .btn-login{display:none}
  .swiper-container{height:260px}
  .xp84zq8{padding:0 20px}
  .aezi42f h2{font-size:20px}
  .aezi42f p{display:none}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid-3,.n2c8w{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:1fr 1fr}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .steps-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .ai-features-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .section-title{font-size:20px}
  .section{padding:40px 0}
  .footer-qr{justify-content:center}
}

/* ============================================================
   工具类
   ============================================================ */
.text-center{text-align:center}
.text-gradient{
  background:var(--gradient-primary);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.badge{
  display:inline-block;
  padding:2px 8px;
  border-radius:8px;
  font-size:11px;
  font-weight:700;
}
.badge-primary{background:rgba(232,54,93,0.15);color:var(--primary-light)}
.badge-accent{background:rgba(255,154,60,0.15);color:var(--accent)}
.badge-purple{background:rgba(123,94,167,0.15);color:#A78BFA}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mb-8{margin-bottom:8px}
.mb-16{margin-bottom:16px}
.mb-24{margin-bottom:24px}
.hidden{display:none!important}

/* ============================================================
   加载动画
   ============================================================ */
.skeleton{
  background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-card2) 50%,var(--bg-card) 75%);
  background-size:200% 100%;
  animation:skeleton-loading 1.5s infinite;
  border-radius:var(--radius-sm);
}
@keyframes skeleton-loading{
  0%{background-position:200% 0}
  100%{background-position:-200% 0}
}

/* ============================================================
   滚动渐入动画
   ============================================================ */
.fade-in{
  opacity:0;
  transform:translateY(20px);
  transition:opacity 0.6s ease,transform 0.6s ease;
}
.fade-in.visible{
  opacity:1;
  transform:translateY(0);
}