*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0a;
  --bg2:#141414;
  --bg3:#1e1e1e;
  --text:#f0f0f0;
  --muted:#999;
  --accent:#e63946;
  --accent2:#ff6b6b;
  --border:#2a2a2a;
  --radius:12px;
  --max:1200px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1;display:flex;flex-direction:column}
a{color:var(--accent2);text-decoration:none;transition:color .2s}
a:hover{color:#fff}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

.applist-bar{
  background:linear-gradient(180deg,var(--bg2),var(--bg));
  border-bottom:1px solid var(--border);
  padding:12px 0;
  position:sticky;
  top:64px;
  z-index:90;
}
#applist{text-align:center}
#applist .applist-title{
  font-weight:700;font-size:.95rem;color:var(--accent2);
  margin-bottom:10px;letter-spacing:1px;
}
#ads{display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;gap:8px 4px}
#ads>div{display:flex;flex-direction:column;align-items:center;width:76px}
#ads img{
  width:68px;height:68px;object-fit:cover;border-radius:16px;
  box-shadow:0 4px 16px rgba(230,57,70,.25);
  transition:transform .18s,box-shadow .18s;border:2px solid var(--border);
}
#ads a{display:inline-block;text-decoration:none;border-radius:16px}
#ads a:hover img{
  transform:translateY(-3px) scale(1.06);
  box-shadow:0 8px 24px rgba(230,57,70,.4);border-color:var(--accent);
}
#ads .caption{
  height:16px;font-size:11px;color:var(--muted);text-align:center;
  max-width:72px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px;
}

header{
  background:rgba(10,10,10,.95);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;backdrop-filter:blur(12px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:#fff}
.logo-mark{
  width:40px;height:40px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;font-size:1rem;
}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:4px}
nav ul{display:flex;list-style:none;gap:4px;flex-wrap:wrap}
nav a{color:var(--muted);padding:8px 14px;border-radius:8px;font-size:.9rem;white-space:nowrap}
nav a:hover,nav a.active{color:#fff;background:var(--bg3)}
nav a.nav-lottery{color:#6ee7a8;font-weight:600}
nav a.nav-lottery:hover{color:#fff;background:rgba(13,151,55,.35)}

.hero{padding:60px 0 40px;background:linear-gradient(180deg,#1a0a0d 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero h1{
  font-size:2.2rem;line-height:1.3;margin-bottom:16px;
  background:linear-gradient(135deg,#fff,var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{color:var(--muted);font-size:1.05rem;margin-bottom:28px}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;
  font-size:1rem;font-weight:600;border:none;cursor:pointer;
  transition:transform .2s,box-shadow .2s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;
  box-shadow:0 4px 20px rgba(230,57,70,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(230,57,70,.5);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent2)}
.btn-outline:hover{background:var(--accent);color:#fff}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.5)}

section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.8rem;margin-bottom:8px}
.section-title p{color:var(--muted);font-size:.95rem}
.section-title .en{
  color:var(--accent);font-size:.8rem;letter-spacing:3px;
  text-transform:uppercase;margin-bottom:8px;display:block;
}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:border-color .2s,transform .2s;
}
.feature-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.feature-card h3{font-size:1.1rem;margin-bottom:10px;color:#fff}
.feature-card p{color:var(--muted);font-size:.9rem}
.feature-icon{
  width:48px;height:48px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:16px;color:#fff;
}

.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:32px 16px}
.stat-num{font-size:2rem;font-weight:700;color:var(--accent2);margin-bottom:4px}
.stat-label{color:var(--muted);font-size:.85rem}

.content-block{max-width:800px;margin:0 auto}
.content-block h2{font-size:1.5rem;margin:32px 0 12px;color:#fff}
.content-block h3{font-size:1.15rem;margin:24px 0 8px;color:#fff}
.content-block p,.content-block li{color:var(--muted);margin-bottom:12px}
.content-block ul,.content-block ol{padding-left:24px;margin-bottom:16px}
.content-block li{margin-bottom:6px}

.cta-section{
  background:linear-gradient(135deg,#1a0a0d,var(--bg2));
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  text-align:center;padding:60px 0;
}
.cta-section h2{font-size:1.6rem;margin-bottom:12px}
.cta-section p{color:var(--muted);margin-bottom:24px}

footer{background:var(--bg2);border-top:1px solid var(--border);padding:48px 0 24px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer-brand p{color:var(--muted);font-size:.9rem;margin-top:12px;max-width:360px}
.footer-col h4{font-size:.95rem;margin-bottom:16px;color:#fff}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--muted);font-size:.9rem}
.footer-col a:hover{color:var(--accent2)}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:20px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{color:var(--muted);font-size:.8rem}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:var(--muted);font-size:.8rem}

.showcase{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:48px 0;border-bottom:1px solid var(--border);
}
.showcase:last-child{border-bottom:none}
.showcase.reverse .showcase-img{order:2}
.showcase.reverse .showcase-text{order:1}
.showcase-text h2{font-size:1.5rem;margin-bottom:12px}
.showcase-text h3{font-size:1.05rem;margin:16px 0 8px;color:var(--accent2)}
.showcase-text p{color:var(--muted);font-size:.92rem;margin-bottom:10px}
.showcase-text ul{color:var(--muted);font-size:.92rem;padding-left:20px;margin-bottom:12px}
.showcase-text li{margin-bottom:6px}

.phone-mock{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  box-shadow:0 12px 40px rgba(0,0,0,.4);aspect-ratio:9/16;
  background:linear-gradient(180deg,#1a1020 0%,#0d0d12 100%);
  display:flex;flex-direction:column;padding:16px 12px;gap:10px;
}
.phone-mock-header{display:flex;gap:6px;flex-wrap:wrap}
.phone-mock-header span{
  font-size:.65rem;padding:4px 10px;border-radius:12px;
  background:rgba(230,57,70,.2);color:var(--accent2);border:1px solid rgba(230,57,70,.3);
}
.phone-mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;flex:1}
.phone-mock-card{
  background:var(--bg3);border-radius:8px;border:1px solid var(--border);
  min-height:72px;position:relative;overflow:hidden;
}
.phone-mock-card.has-thumb{
  border-color:rgba(230,57,70,.35);
  min-height:72px;
}
.phone-mock-card.has-thumb img{
  width:100%;height:100%;object-fit:cover;display:block;min-height:inherit;
}
a.phone-mock-card{
  display:block;text-decoration:none;color:inherit;
  transition:transform .18s,box-shadow .18s;
}
a.phone-mock-card:hover{
  transform:scale(1.02);
  box-shadow:0 4px 16px rgba(230,57,70,.25);
  z-index:1;
}
.phone-mock-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(230,57,70,.15),transparent);
  pointer-events:none;
}
.phone-mock-card.has-thumb::after{
  background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.55));
}
.phone-mock-card.wide{grid-column:span 2;min-height:100px}
.phone-mock-label{
  margin-top:auto;text-align:center;font-size:.75rem;color:var(--muted);padding-top:8px;
}

/* AI / 搜索 / 用户中心 mock 面板 */
.phone-mock-panel{
  display:flex;flex-direction:column;gap:8px;flex:1;min-height:0;
}
.mock-chat{display:flex;flex-direction:column;gap:6px}
.mock-bubble{
  font-size:.62rem;line-height:1.45;padding:7px 10px;border-radius:10px;
  max-width:92%;word-break:break-word;
}
.mock-bubble-user{
  align-self:flex-end;background:rgba(230,57,70,.25);
  border:1px solid rgba(230,57,70,.35);color:#ffd6d6;
}
.mock-bubble-ai{
  align-self:flex-start;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);color:#ddd;
}
.mock-mini-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:8px;flex:1;align-content:start;
}
.mock-mini-grid .phone-mock-card{min-height:64px}
.mock-cta-chip{
  grid-column:span 2;display:flex;align-items:center;justify-content:center;
  min-height:36px;border-radius:8px;font-size:.68rem;font-weight:600;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;text-decoration:none;
}
.mock-search-bar{
  display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;
  background:var(--bg3);border:1px solid var(--border);font-size:.68rem;
}
.mock-search-icon{opacity:.8}
.mock-search-input{color:#fff;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock-hot-tags{display:flex;flex-wrap:wrap;gap:5px}
.mock-tag{
  font-size:.58rem;padding:3px 8px;border-radius:12px;text-decoration:none;
  background:rgba(230,57,70,.15);border:1px solid rgba(230,57,70,.3);color:var(--accent2);
}
.mock-tag:hover{background:rgba(230,57,70,.3);color:#fff}
.mock-result-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:8px;flex:1;align-content:start;
}
.mock-result-grid .phone-mock-card{min-height:58px}
.mock-profile{
  display:flex;align-items:center;gap:10px;padding:6px 4px;
}
.mock-avatar{
  width:34px;height:34px;border-radius:50%;background:var(--bg3);
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  border:1px solid var(--border);
}
.mock-profile-meta{display:flex;flex-direction:column;gap:3px}
.mock-profile-meta strong{font-size:.72rem;color:#fff}
.mock-vip-badge{
  align-self:flex-start;font-size:.55rem;padding:2px 7px;border-radius:10px;
  background:linear-gradient(135deg,#ffc107,#ff9800);color:#1a1a1a;font-weight:700;
}
.mock-profile-tabs{display:flex;gap:6px;flex-wrap:wrap}
.mock-profile-tabs span{
  font-size:.58rem;padding:3px 9px;border-radius:10px;
  background:var(--bg3);border:1px solid var(--border);color:var(--muted);
}
.mock-profile-tabs span.active{
  background:rgba(230,57,70,.2);border-color:rgba(230,57,70,.4);color:var(--accent2);
}
.mock-profile-actions{display:flex;gap:6px;margin-top:auto}
.mock-action-btn{
  flex:1;text-align:center;padding:7px 6px;border-radius:8px;font-size:.62rem;
  text-decoration:none;background:var(--bg3);border:1px solid var(--border);color:#ddd;
}
.mock-action-btn:hover{border-color:var(--accent);color:#fff}
.mock-action-vip{
  background:linear-gradient(135deg,rgba(255,193,7,.2),rgba(255,152,0,.15));
  border-color:rgba(255,193,7,.45);color:#ffd54f;
}

/* 视频推荐卡片（AI 聊天共用） */
.vr-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.vr-card{display:block;text-decoration:none;color:inherit}
.vr-thumb{position:relative;border-radius:8px;overflow:hidden;background:var(--bg3);aspect-ratio:16/10}
.vr-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.vr-thumb-fallback{width:100%;height:100%;background:linear-gradient(135deg,#2a1520,#1a1020)}
.vr-duration{
  position:absolute;right:4px;bottom:4px;font-size:.55rem;padding:1px 5px;border-radius:4px;
  background:rgba(0,0,0,.72);color:#fff;
}
.vr-title{
  font-size:.58rem;line-height:1.35;margin-top:4px;color:#ddd;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mock-mini-grid .vr-grid{grid-column:span 2}

.keyword-tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.keyword-tags span{
  background:var(--bg3);border:1px solid var(--border);
  padding:4px 12px;border-radius:20px;font-size:.78rem;color:var(--muted);
}

.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  padding:16px 20px;cursor:pointer;font-weight:600;list-style:none;
  display:flex;justify-content:space-between;align-items:center;
}
.faq-item summary::after{content:"+";color:var(--accent);font-size:1.2rem}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 20px 16px;color:var(--muted);font-size:.9rem}

.nav-anchor{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.nav-anchor a{
  background:var(--bg2);border:1px solid var(--border);
  padding:8px 18px;border-radius:20px;font-size:.85rem;color:var(--muted);
}
.nav-anchor a:hover{border-color:var(--accent);color:#fff}

@media(max-width:900px){
  .showcase,.showcase.reverse{grid-template-columns:1fr}
  .showcase.reverse .showcase-img,.showcase.reverse .showcase-text{order:unset}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-btns{justify-content:center}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .menu-toggle{display:block}
  nav{
    position:fixed;top:64px;left:0;right:0;background:var(--bg2);
    border-bottom:1px solid var(--border);padding:12px;display:none;
  }
  nav.open{display:block}
  nav ul{flex-direction:column}
  .features-grid,.stats-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.6rem}
}