/* =====================================================
   91 - 主样式表
   冰岛极光风格 | xqbvvio.cn
   原创设计 © 2025 91
   ===================================================== */

/* ---- CSS变量 ---- */
:root {
  --primary:       #1DE9C8;
  --primary-dark:  #0EA5E9;
  --accent:        #6366F1;
  --accent-light:  #A5B4FC;
  --gold:          #F59E0B;
  --bg-deep:       #060D18;
  --bg-card:       #0D1F2D;
  --bg-card2:      #0F2336;
  --border:        rgba(29,233,200,0.15);
  --border-hover:  rgba(29,233,200,0.45);
  --text-primary:  #E0F7FA;
  --text-secondary:#94A3B8;
  --text-muted:    #607D8B;
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     20px;
  --shadow:        0 4px 24px rgba(29,233,200,0.07);
  --shadow-hover:  0 8px 40px rgba(29,233,200,0.18);
  --transition:    0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  background:var(--bg-deep);
  color:var(--text-primary);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-light)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* ---- 背景极光效果 ---- */
body::before{
  content:'';
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:
    radial-gradient(ellipse 80% 40% at 20% 10%, rgba(29,233,200,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 30% at 80% 80%, rgba(14,165,233,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(99,102,241,0.04) 0%, transparent 70%);
  pointer-events:none;
  z-index:0;
}

/* ---- 容器 ---- */
.tx-container{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}

/* ---- 顶部公告栏 ---- */
.vn38wcl{
  background:linear-gradient(90deg,var(--bg-card),rgba(29,233,200,0.08),var(--bg-card));
  border-bottom:1px solid var(--border);
  padding:6px 0;
  font-size:12px;
  color:var(--text-secondary);
}
.vn38wcl .tx-container{display:flex;justify-content:space-between;align-items:center;gap:12px}
.gx0sj3{display:flex;align-items:center;gap:16px}
.t74kq{display:flex;align-items:center;gap:12px}
.vn38wcl a{color:var(--primary);font-size:12px}
.t5vx3{
  background:rgba(29,233,200,0.12);
  color:var(--primary);
  padding:2px 8px;
  border-radius:20px;
  font-size:11px;
  font-weight:600;
}

/* ---- 头部导航 ---- */
.tx-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,13,24,0.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition);
}
.tx-header.scrolled{box-shadow:0 2px 32px rgba(29,233,200,0.12)}
.u5j49{
  display:flex;align-items:center;gap:20px;
  padding:12px 0;
}
.tx-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.qcjw8zbq{width:120px;height:36px;object-fit:contain}
.csapi46j{
  width:36px;height:36px;border-radius:8px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:900;color:#fff;flex-shrink:0;
}
.oib9zgr{display:flex;flex-direction:column;line-height:1.2}
.uwkcq{font-size:17px;font-weight:900;color:var(--primary);letter-spacing:0.5px}
.o8y5l8a2{font-size:10px;color:var(--text-muted)}
.tx-nav{display:flex;align-items:center;gap:4px;flex:1;flex-wrap:wrap}
.tx-nav a{
  padding:6px 12px;border-radius:var(--radius-sm);
  font-size:14px;color:var(--text-secondary);
  transition:all var(--transition);white-space:nowrap;
}
.tx-nav a:hover,.tx-nav a.active{
  color:var(--primary);
  background:rgba(29,233,200,0.1);
}
.yf1lbs7{position:relative}
.yf1lbs7::after{
  content:'HOT';position:absolute;top:-6px;right:-4px;
  background:var(--gold);color:#000;
  font-size:9px;font-weight:700;
  padding:1px 4px;border-radius:4px;
}
.wyrt5d{display:flex;align-items:center;gap:8px;flex-shrink:0}
.tx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:8px 18px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all var(--transition);border:none;text-decoration:none;
}
.tx-btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#000;
}
.tx-btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 4px 16px rgba(29,233,200,0.4);
  color:#000;
}
.tx-btn-outline{
  background:transparent;
  border:1px solid var(--border-hover);
  color:var(--primary);
}
.tx-btn-outline:hover{background:rgba(29,233,200,0.1)}
.atrkqb59{
  background:linear-gradient(135deg,var(--accent),var(--accent-light));
  color:#fff;
}
.tx-btn-sm{padding:5px 12px;font-size:13px}
.suuyt{
  display:none;background:none;border:none;cursor:pointer;
  color:var(--text-primary);font-size:22px;padding:4px;
}

/* ---- 搜索框 ---- */
.aiiawz88{
  background:rgba(13,31,45,0.95);
  border-bottom:1px solid var(--border);
  padding:12px 0;
}
.e9b7p4t{
  display:flex;align-items:center;gap:12px;
  max-width:700px;margin:0 auto;
}
.yqk0uxgq{
  display:flex;flex:1;align-items:center;
  background:var(--bg-card2);
  border:1px solid var(--border);
  border-radius:24px;
  overflow:hidden;
  transition:border-color var(--transition);
}
.yqk0uxgq:focus-within{border-color:var(--primary)}
.yqk0uxgq input{
  flex:1;padding:10px 18px;
  background:transparent;border:none;outline:none;
  color:var(--text-primary);font-size:14px;
}
.yqk0uxgq input::placeholder{color:var(--text-muted)}
.yqk0uxgq button{
  padding:10px 20px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border:none;cursor:pointer;color:#000;font-weight:700;font-size:14px;
  transition:opacity var(--transition);
}
.yqk0uxgq button:hover{opacity:0.85}
.eub8s3p{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12px;color:var(--text-muted);
}
.e9yzpj2{
  padding:3px 10px;border-radius:12px;
  background:rgba(29,233,200,0.08);
  color:var(--primary);font-size:12px;cursor:pointer;
  transition:background var(--transition);
}
.e9yzpj2:hover{background:rgba(29,233,200,0.18)}

/* ---- 面包屑 ---- */
.tx-breadcrumb{
  padding:10px 0;font-size:13px;
  color:var(--text-muted);
  border-bottom:1px solid var(--border);
}
.tx-breadcrumb a{color:var(--text-secondary)}
.tx-breadcrumb a:hover{color:var(--primary)}
.tx-breadcrumb span{color:var(--text-muted);margin:0 6px}

/* ---- Hero区域 ---- */
.tx-hero{
  position:relative;min-height:560px;
  display:flex;align-items:center;
  overflow:hidden;
}
.pg5b2g{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  filter:brightness(0.45) saturate(1.2);
}
.vavuthd{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(6,13,24,0.85) 0%,rgba(29,233,200,0.08) 50%,rgba(6,13,24,0.7) 100%);
}
.jyv47{
  position:relative;z-index:2;
  max-width:680px;padding:60px 0;
}
.jaz6mu{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(29,233,200,0.12);
  border:1px solid rgba(29,233,200,0.3);
  color:var(--primary);
  padding:5px 14px;border-radius:20px;
  font-size:12px;font-weight:600;
  margin-bottom:20px;
}
.u61duw6z{
  font-size:clamp(28px,4vw,52px);
  font-weight:900;line-height:1.2;
  color:#fff;margin-bottom:16px;
}
.u61duw6z em{
  font-style:normal;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.rxwnc{
  font-size:16px;color:rgba(255,255,255,0.75);
  margin-bottom:28px;line-height:1.8;
}
.jg7nk0z{display:flex;gap:12px;flex-wrap:wrap}
.n3xlj7f4{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:40px;
}
.pvv9nam{
  background:rgba(13,31,45,0.7);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;text-align:center;
  backdrop-filter:blur(8px);
}
.rpl7bn3f{
  font-size:26px;font-weight:900;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.q71b1i5c{font-size:12px;color:var(--text-muted);margin-top:4px}

/* ---- 通用Section ---- */
.tx-section{padding:64px 0}
.tx-section-alt{background:rgba(13,31,45,0.5)}
.tx-section-hd{text-align:center;margin-bottom:40px}
.tx-section-tag{
  display:inline-block;
  background:rgba(29,233,200,0.1);
  color:var(--primary);
  padding:4px 14px;border-radius:20px;
  font-size:12px;font-weight:600;
  margin-bottom:12px;
}
.tx-section-title{
  font-size:clamp(22px,3vw,34px);
  font-weight:800;color:#fff;
  margin-bottom:10px;
}
.tx-section-title em{
  font-style:normal;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.mac26l{font-size:15px;color:var(--text-secondary);max-width:600px;margin:0 auto}

/* ---- 视频卡片 ---- */
.ikla2q{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:20px;
}
.yglewb{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:all var(--transition);
  cursor:pointer;
}
.yglewb:hover{
  transform:translateY(-4px);
  border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
}
.qp5mhuo{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;background:#0D1F2D;
}
.qp5mhuo img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 0.5s ease;
}
.yglewb:hover .qp5mhuo img{transform:scale(1.06)}
.yyelgk{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(6,13,24,0.45);
  opacity:0;transition:opacity var(--transition);
}
.yglewb:hover .yyelgk{opacity:1}
.gzgod{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:flex;align-items:center;justify-content:center;
  transform:scale(0.85);transition:transform var(--transition);
  box-shadow:0 0 24px rgba(29,233,200,0.5);
}
.yglewb:hover .gzgod{transform:scale(1)}
.gzgod::after{
  content:'';
  border-left:18px solid #000;
  border-top:11px solid transparent;
  border-bottom:11px solid transparent;
  margin-left:4px;
}
.gqu1eb{
  position:absolute;bottom:8px;right:8px;
  background:rgba(0,0,0,0.75);
  color:#fff;font-size:11px;
  padding:2px 6px;border-radius:4px;
}
.vcufdzkh{
  position:absolute;top:8px;left:8px;
  padding:3px 8px;border-radius:4px;
  font-size:11px;font-weight:700;
}
.klu9kj1n{background:#EF4444;color:#fff}
.zbrwy{background:var(--primary);color:#000}
.czqxov3{background:#8B5CF6;color:#fff}
.yw0vx7vk{padding:14px}
.t5uqh1{
  font-size:14px;font-weight:600;color:var(--text-primary);
  margin-bottom:8px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nvjqu5{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-muted);
}
.onfv5qbh{display:flex;align-items:center;gap:10px}
.n5jzqmsb{
  background:rgba(29,233,200,0.08);
  color:var(--primary);
  padding:2px 8px;border-radius:4px;font-size:11px;
}

/* ---- 弹幕 ---- */
.u8xvz{
  overflow:hidden;height:36px;
  background:rgba(13,31,45,0.6);
  border-radius:var(--radius-sm);
  position:relative;margin-bottom:8px;
}
.gqo1r{
  display:flex;align-items:center;gap:20px;
  white-space:nowrap;
  animation:danmaku-scroll 20s linear infinite;
  position:absolute;top:50%;transform:translateY(-50%);
}
.iro9de9{
  font-size:13px;color:var(--text-secondary);
  padding:0 8px;
}
@keyframes danmaku-scroll{
  0%{transform:translateY(-50%) translateX(100vw)}
  100%{transform:translateY(-50%) translateX(-100%)}
}

/* ---- 标签云 ---- */
.t57r8q{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tx-tag{
  padding:5px 14px;border-radius:20px;
  background:rgba(29,233,200,0.08);
  border:1px solid var(--border);
  color:var(--text-secondary);font-size:13px;
  transition:all var(--transition);cursor:pointer;
}
.tx-tag:hover{
  background:rgba(29,233,200,0.18);
  color:var(--primary);border-color:var(--border-hover);
}

/* ---- 专家卡片 ---- */
.wb5rvan{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;
}
.tsnfhlef{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;text-align:center;
  transition:all var(--transition);
}
.tsnfhlef:hover{
  transform:translateY(-4px);
  border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
}
.hucps{
  width:80px;height:80px;border-radius:50%;
  margin:0 auto 14px;
  border:2px solid var(--primary);
  overflow:hidden;object-fit:cover;
}
.hennxt{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}
.baopb8{font-size:13px;color:var(--primary);margin-bottom:10px}
.i66r643n{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:14px}
.bmlfoe1p{
  display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:14px;
}
.eldm77{
  background:rgba(245,158,11,0.1);
  border:1px solid rgba(245,158,11,0.3);
  color:var(--gold);
  padding:2px 8px;border-radius:4px;font-size:11px;
}
.q8ex7wnf{display:flex;gap:8px;justify-content:center}

/* ---- 合作品牌 ---- */
.drftwg{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;
}
.vp5hfw{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:16px;text-align:center;
  font-size:13px;color:var(--text-secondary);
  transition:all var(--transition);
}
.vp5hfw:hover{
  border-color:var(--border-hover);color:var(--primary);
}

/* ---- How-To步骤 ---- */
.vgt693z{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;
}
.ym9jzb{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  position:relative;
}
.pdbw05{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#000;font-weight:900;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
}
.pyo70{font-size:15px;font-weight:700;color:#fff;margin-bottom:8px}
.g4yxz{font-size:13px;color:var(--text-secondary);line-height:1.6}

/* ---- FAQ ---- */
.tsqwb{display:flex;flex-direction:column;gap:12px;max-width:800px;margin:0 auto}
.yjoya{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
}
.vth8fyd8{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--text-primary);
  transition:color var(--transition);
  user-select:none;
}
.vth8fyd8:hover{color:var(--primary)}
.wdxrs{
  width:22px;height:22px;border-radius:50%;
  background:rgba(29,233,200,0.1);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;
  transition:transform var(--transition);
}
.yjoya.open .wdxrs{transform:rotate(45deg)}
.woslw{max-height:0;overflow:hidden;transition:max-height 0.4s ease}
.yjoya.open .woslw{max-height:300px}
.pa6o77ve{
  padding:0 20px 16px;
  font-size:14px;color:var(--text-secondary);line-height:1.7;
}

/* ---- 用户评价 ---- */
.utydi5af{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;
}
.dhw7qhll{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  transition:all var(--transition);
}
.dhw7qhll:hover{
  border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
}
.squbsn{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.xd0ymz{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:#fff;flex-shrink:0;
}
.ba5hgm{font-size:14px;font-weight:600;color:#fff}
.swon5{font-size:12px;color:var(--text-muted)}
.boxqv3{color:var(--gold);font-size:14px;margin-bottom:10px}
.w51fqtrc{font-size:14px;color:var(--text-secondary);line-height:1.7}

/* ---- 社交分享 ---- */
.dog5k{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.bkhib2{font-size:14px;color:var(--text-muted)}
.am5xodg6{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--radius-sm);
  font-size:13px;font-weight:600;cursor:pointer;
  transition:all var(--transition);border:none;text-decoration:none;
}
.cb80lott{background:#07C160;color:#fff}
.ge60i83{background:#E6162D;color:#fff}
.akc55f{background:#000;color:#fff;border:1px solid #333}
.dmek0li{background:#00A1D6;color:#fff}
.am5xodg6:hover{opacity:0.85;transform:translateY(-1px)}

/* ---- 卡片通用 ---- */
.tx-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  transition:all var(--transition);
}
.tx-card:hover{
  border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
}

/* ---- 内页Banner ---- */
.lfra4fw0{
  padding:60px 0;
  background:linear-gradient(135deg,rgba(29,233,200,0.06),rgba(14,165,233,0.04));
  border-bottom:1px solid var(--border);
}
.don2ykl{
  font-size:clamp(24px,3.5vw,38px);
  font-weight:900;color:#fff;margin-bottom:10px;
}
.r87wpw{font-size:15px;color:var(--text-secondary);max-width:600px}

/* ---- 分隔线 ---- */
.tlb10jp{border:none;border-top:1px solid var(--border);margin:40px 0}

/* ---- Badge ---- */
.tx-badge{
  display:inline-block;
  padding:3px 10px;border-radius:20px;
  font-size:12px;font-weight:600;
}

/* ---- 底部 ---- */
.tx-footer{
  background:var(--bg-card);
  border-top:1px solid var(--border);
  padding:48px 0 0;
}
.aom89{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:32px;margin-bottom:32px;
}
.offiv{margin-bottom:16px}
.o0atyzba{font-size:13px;color:var(--text-muted);line-height:1.7;margin-top:10px}
.ri5gm{
  font-size:14px;font-weight:700;color:#fff;
  margin-bottom:14px;
  padding-bottom:8px;
  border-bottom:1px solid var(--border);
}
.nwrrto{display:flex;flex-direction:column;gap:8px}
.nwrrto a{font-size:13px;color:var(--text-muted);transition:color var(--transition)}
.nwrrto a:hover{color:var(--primary)}
.rb7p41c{display:flex;gap:16px;margin-top:12px}
.lacpdzxj{text-align:center}
.lacpdzxj p{font-size:11px;color:var(--text-muted);margin-top:6px}
.e6f7fx{width:80px;height:80px;border-radius:6px}
.p6q5v0kk{
  padding:16px 0;
  border-top:1px solid var(--border);
}
.p6q5v0kk h4{font-size:13px;color:var(--text-muted);margin-bottom:10px}
.m0kfr{display:flex;flex-wrap:wrap;gap:8px}
.m0kfr a{
  font-size:12px;color:var(--text-muted);
  padding:3px 10px;border-radius:4px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border);
  transition:all var(--transition);
}
.m0kfr a:hover{color:var(--primary);border-color:var(--border-hover)}
.xzduj3{
  border-top:1px solid var(--border);
  padding:16px 0;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;
}
.xzduj3 p{font-size:12px;color:var(--text-muted)}
.g7h7u{font-size:12px;color:var(--text-muted)}
.g7h7u a{color:var(--text-muted)}
.g7h7u a:hover{color:var(--primary)}

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

/* ---- 响应式 ---- */
@media(max-width:1024px){
  .aom89{grid-template-columns:1fr 1fr}
  .n3xlj7f4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .tx-nav{display:none}
  .tx-nav.open{
    display:flex;flex-direction:column;
    position:fixed;top:0;left:0;right:0;bottom:0;
    background:rgba(6,13,24,0.97);
    z-index:200;padding:80px 24px 24px;
    gap:8px;overflow-y:auto;
  }
  .tx-nav.open a{font-size:18px;padding:12px 16px}
  .suuyt{display:block}
  .wyrt5d .tx-btn-outline{display:none}
  .aom89{grid-template-columns:1fr}
  .n3xlj7f4{grid-template-columns:repeat(2,1fr)}
  .tx-hero{min-height:420px}
  .jyv47{padding:40px 0}
  .e9b7p4t{flex-direction:column}
  .eub8s3p{justify-content:center}
  .xzduj3{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .n3xlj7f4{grid-template-columns:repeat(2,1fr)}
  .ikla2q{grid-template-columns:1fr}
  .wb5rvan{grid-template-columns:1fr}
  .utydi5af{grid-template-columns:1fr}
  .vgt693z{grid-template-columns:1fr}
}

/* ---- 视频播放弹窗 ---- */
.c8qnmsxu{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.88);z-index:1000;
  align-items:center;justify-content:center;
}
.c8qnmsxu.open{display:flex}
.ap279lh{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;max-width:800px;width:90%;
  position:relative;
}
.yu0og{
  position:absolute;top:12px;right:16px;
  background:none;border:none;cursor:pointer;
  color:var(--text-secondary);font-size:24px;
  transition:color var(--transition);
}
.yu0og:hover{color:var(--primary)}
.d6k2em{
  width:100%;aspect-ratio:16/9;
  background:#000;border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:14px;
}