:root{
  --bg:#120a06;
  --bg2:#1c0f08;
  --panel:#221208;
  --gold:#f5c96b;
  --gold-hi:#ffe9b0;
  --red:#e0301e;
  --red-deep:#a3120b;
  --orange:#ff7a1a;
  --ink:#f3e7d3;
  --ink-dim:#c9b294;
  --line:rgba(245,201,107,.28);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Serif SC',serif;
  background:var(--bg);
  color:var(--ink);
  overflow-x:hidden;
}
::selection{background:var(--red);color:#fff}
.font-brush{font-family:'Ma Shan Zheng',cursive}
.font-title{font-family:'ZCOOL QingKe HuangYou','Noto Serif SC',sans-serif}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.container{width:min(1200px,92%);margin:0 auto}

/* ===== 顶部导航 ===== */
header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(18,10,6,.92),rgba(18,10,6,.72));
  border-bottom:1px solid var(--line);
  transition:transform .35s ease;
}
header.hide{transform:translateY(-100%)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:44px;height:44px;border-radius:10px;box-shadow:0 0 0 1px var(--line),0 4px 14px rgba(224,48,30,.35)}
.brand b{
  font-family:'Noto Serif SC',serif;font-weight:900;font-size:1.4rem;letter-spacing:.08em;
  color:var(--gold);text-shadow:0 1px 2px rgba(0,0,0,.6),0 0 14px rgba(245,201,107,.25);
  -webkit-font-smoothing:antialiased;
}
.brand-tag{
  font-family:'ZCOOL QingKe HuangYou';font-size:.78rem;letter-spacing:.05em;
  color:#fff;padding:3px 10px;border-radius:999px;
  background:linear-gradient(135deg,var(--red),var(--orange));
  box-shadow:0 3px 10px rgba(224,48,30,.45);
  animation:tagGlow 2s ease-in-out infinite;
}
@keyframes tagGlow{0%,100%{box-shadow:0 3px 10px rgba(224,48,30,.45)}50%{box-shadow:0 3px 18px rgba(255,122,26,.8)}}
.nav-links{display:flex;gap:34px;font-size:.95rem}
.nav-links a{color:var(--ink-dim);position:relative;padding:6px 2px;transition:color .25s}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--red),var(--gold));transition:width .3s}
.nav-links a:hover{color:var(--gold-hi)}
.nav-links a:hover::after{width:100%}
.nav-cta{
  background:linear-gradient(135deg,var(--red),var(--orange));
  color:#fff;font-weight:700;padding:10px 22px;border-radius:999px;
  box-shadow:0 4px 18px rgba(224,48,30,.45);
  transition:transform .25s,box-shadow .25s;font-size:.92rem;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(224,48,30,.6)}
.menu-btn{display:none;background:none;border:none;color:var(--gold);cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 70px;isolation:isolate}
.hero::before{
  content:'';position:absolute;inset:0;z-index:-2;
  background:url('../images/banner/banner4a2b840cd896184e4c5020756d0e16421787910819.jpg') center 30%/cover no-repeat;
  filter:saturate(1.15);
}
.hero::after{
  content:'';position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(90deg,rgba(18,10,6,.95) 0%,rgba(18,10,6,.55) 45%,rgba(18,10,6,.25) 100%),
    linear-gradient(180deg,rgba(18,10,6,.45) 0%,rgba(18,10,6,.15) 45%,var(--bg) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:rgba(34,18,8,.55);
  padding:7px 16px;border-radius:999px;font-size:.85rem;color:var(--gold);margin-bottom:22px;
}
.hero-badge i{width:16px;height:16px}
.hero h1{
  font-family:'Noto Serif SC',serif;font-weight:900;font-size:clamp(3.4rem,7vw,6.2rem);
  line-height:1.05;letter-spacing:.06em;
  background:linear-gradient(180deg,#fff4d6 15%,var(--gold) 45%,#e8842a 80%,#c03a12);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 22px rgba(224,48,30,.5));
}
.hero-sub{
  margin-top:10px;font-family:'ZCOOL QingKe HuangYou';
  font-size:clamp(1.3rem,2.4vw,2rem);color:var(--gold-hi);letter-spacing:.14em;
}
.hero-desc{margin-top:20px;color:var(--ink-dim);line-height:1.9;max-width:34em;font-size:1rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:7px;font-size:.85rem;
  padding:7px 14px;border-radius:8px;border:1px solid var(--line);
  background:rgba(34,18,8,.5);color:var(--ink);
}
.tag i{width:15px;height:15px;color:var(--orange)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-weight:700;
  padding:15px 34px;border-radius:999px;font-size:1.02rem;letter-spacing:.05em;
  transition:transform .25s,box-shadow .25s;cursor:pointer;border:none;font-family:'Noto Serif SC';
}
.btn i{width:19px;height:19px}
.btn-primary{
  background:linear-gradient(135deg,var(--red) 0%,var(--orange) 100%);color:#fff;
  box-shadow:0 8px 30px rgba(224,48,30,.5),inset 0 1px 0 rgba(255,255,255,.3);
  animation:pulse 2.4s ease-in-out infinite;
}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 14px 40px rgba(224,48,30,.65)}
.btn-ghost{
  background:rgba(34,18,8,.55);color:var(--gold);border:1px solid var(--line);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 8px 24px rgba(245,201,107,.2)}
@keyframes pulse{0%,100%{box-shadow:0 8px 30px rgba(224,48,30,.5)}50%{box-shadow:0 8px 44px rgba(255,122,26,.75)}}

/* 下载按钮悬停二维码 */
.dl-btn{position:relative;display:inline-flex}
.qr-pop{
  position:absolute;bottom:calc(100% + 16px);left:50%;
  transform:translate(-50%,10px);z-index:60;
  background:#fff;padding:12px 12px 10px;border-radius:14px;
  box-shadow:0 16px 44px rgba(0,0,0,.55),0 0 0 1px var(--line);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.qr-pop::after{
  content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:9px solid transparent;border-top-color:#fff;
}
.qr-pop img,.qr-pop canvas,.qr-pop table{display:block;margin:0 auto}
.qr-pop span{
  display:block;margin-top:8px;text-align:center;font-size:.78rem;
  color:#7a4a12;font-weight:700;letter-spacing:.05em;white-space:nowrap;
}
@media (hover:hover) and (min-width:961px){
  .dl-btn:hover .qr-pop{opacity:1;visibility:visible;transform:translate(-50%,0)}
}

/* CTA 常驻二维码 */
.cta-qr{display:flex;flex-direction:column;align-items:center;gap:12px;margin:34px auto 6px}
.cta-qr-box{
  background:#fff;padding:12px;border-radius:16px;
  box-shadow:0 18px 50px rgba(0,0,0,.5),0 0 0 1px var(--gold);
}
.cta-qr-box img,.cta-qr-box canvas,.cta-qr-box table{display:block}
.cta-qr-text{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:.92rem;letter-spacing:.1em}
.cta-qr-text i{width:17px;height:17px}

.hero-card{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(224,48,30,.15);
  transform:rotate(1.5deg);
  transition:transform .5s ease;
}
.hero-card:hover{transform:rotate(0) scale(1.015)}
.hero-card video{width:100%;height:100%;display:block}
.hero-card .corner{position:absolute;width:26px;height:26px;border:2px solid var(--gold);z-index:2;pointer-events:none}
.corner.tl{top:10px;left:10px;border-right:none;border-bottom:none}
.corner.tr{top:10px;right:10px;border-left:none;border-bottom:none}
.corner.bl{bottom:10px;left:10px;border-right:none;border-top:none}
.corner.br{bottom:10px;right:10px;border-left:none;border-top:none}

/* 漂浮火星 */
.sparks{position:absolute;inset:0;pointer-events:none;z-index:-1;overflow:hidden}
.spark{position:absolute;bottom:-10px;border-radius:50%;background:radial-gradient(circle,#ffd27a 0%,#ff7a1a 60%,transparent 70%);opacity:0;animation:rise linear infinite}
@keyframes rise{0%{transform:translateY(0) scale(1);opacity:0}10%{opacity:.9}90%{opacity:.6}100%{transform:translateY(-108vh) scale(.2);opacity:0}}

/* ===== 通用区块 ===== */
section{padding:96px 0}
.sec-head{text-align:center;margin-bottom:56px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--orange);
  font-size:.85rem;letter-spacing:.35em;margin-bottom:14px;
}
.sec-kicker::before,.sec-kicker::after{content:'';width:44px;height:1px;background:linear-gradient(90deg,transparent,var(--orange))}
.sec-kicker::after{background:linear-gradient(90deg,var(--orange),transparent)}
.sec-head h2{
  font-family:'Ma Shan Zheng';font-size:clamp(2.2rem,4.6vw,3.4rem);
  background:linear-gradient(180deg,#fff2cf,var(--gold) 55%,#d9751c);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-head p{margin-top:14px;color:var(--ink-dim);max-width:44em;margin-inline:auto;line-height:1.9}

/* ===== 福利 ===== */
.welfare{position:relative;background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 50%,var(--bg) 100%)}
.welfare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.w-card{
  position:relative;padding:28px 24px;border-radius:16px;
  background:linear-gradient(160deg,rgba(42,22,10,.9),rgba(24,12,6,.9));
  border:1px solid var(--line);overflow:hidden;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.w-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--red),var(--gold),var(--red));
  opacity:.85;
}
.w-card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:0 18px 44px rgba(224,48,30,.25)}
.w-card .icon{
  width:50px;height:50px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--red-deep),var(--red));
  box-shadow:0 6px 18px rgba(224,48,30,.4);margin-bottom:16px;
}
.w-card .icon i{width:24px;height:24px;color:#ffe9b0}
.w-card h3{font-size:1.12rem;color:var(--gold-hi);margin-bottom:8px;font-weight:700}
.w-card p{font-size:.9rem;color:var(--ink-dim);line-height:1.8}
.w-card .num{
  position:absolute;top:14px;right:18px;font-family:'ZCOOL QingKe HuangYou';
  font-size:2.2rem;color:rgba(245,201,107,.14);
}

/* ===== 特色 ===== */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature.rev{direction:rtl}
.feature.rev .f-text{direction:ltr}
.f-img{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.55)}
.f-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(18,10,6,.55));pointer-events:none}
.f-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.f-img:hover img{transform:scale(1.05)}
.f-text h3{
  font-family:'Ma Shan Zheng';font-size:clamp(1.8rem,3vw,2.6rem);margin-bottom:18px;
  color:var(--gold);
}
.f-text h3 em{font-style:normal;color:var(--red);text-shadow:0 0 24px rgba(224,48,30,.6)}
.f-text p{color:var(--ink-dim);line-height:2;font-size:.98rem}
.f-list{margin-top:24px;display:grid;gap:14px}
.f-list li{
  list-style:none;display:flex;gap:12px;align-items:flex-start;
  padding:13px 16px;border-radius:12px;background:rgba(42,22,10,.5);
  border:1px solid rgba(245,201,107,.14);transition:border-color .25s,transform .25s;
}
.f-list li:hover{border-color:var(--gold);transform:translateX(6px)}
.f-list i{width:19px;height:19px;color:var(--orange);flex-shrink:0;margin-top:2px}
.f-list span{font-size:.92rem;line-height:1.7}

/* ===== 截图轮播 ===== */
.gallery{background:linear-gradient(180deg,var(--bg),var(--bg2) 55%,var(--bg))}
.shot-track{display:grid;grid-auto-flow:column;grid-auto-columns:230px;gap:18px;overflow-x:auto;padding:10px 4px 26px;scroll-snap-type:x mandatory}
.shot-track::-webkit-scrollbar{height:8px}
.shot-track::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--red),var(--gold));border-radius:99px}
.shot-track::-webkit-scrollbar-track{background:rgba(245,201,107,.1);border-radius:99px}
.shot{
  scroll-snap-align:start;border-radius:14px;overflow:hidden;cursor:zoom-in;
  border:1px solid var(--line);box-shadow:0 14px 34px rgba(0,0,0,.5);
  transition:transform .35s,border-color .35s;position:relative;
}
.shot::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 70%,rgba(224,48,30,.35));opacity:0;transition:opacity .35s;
}
.shot:hover{transform:translateY(-8px) scale(1.03);border-color:var(--gold)}
.shot:hover::after{opacity:1}
.shot img{width:100%;height:100%;object-fit:cover;aspect-ratio:9/16}

/* ===== 视频 ===== */
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.v-card{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 20px 50px rgba(0,0,0,.5);position:relative}
.v-card video{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#000}
.v-card .v-label{
  position:absolute;left:14px;bottom:12px;display:flex;align-items:center;gap:8px;
  background:rgba(18,10,6,.72);backdrop-filter:blur(8px);
  padding:7px 14px;border-radius:999px;font-size:.82rem;color:var(--gold);
  border:1px solid var(--line);pointer-events:none;
}
.v-label i{width:14px;height:14px}

/* ===== CTA ===== */
.cta{
  position:relative;text-align:center;padding:110px 0;overflow:hidden;isolation:isolate;
}
.cta::before{
  content:'';position:absolute;inset:0;z-index:-2;
  background:url('../images/banner/bannereb5328fa3526b34f065a004a8bba130c1787910826.jpg') center/cover no-repeat;
}
.cta::after{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at center,rgba(18,10,6,.5) 0%,rgba(18,10,6,.92) 80%)}
.cta h2{font-family:'Ma Shan Zheng';font-size:clamp(2.4rem,5vw,4rem);color:#fff4d6;filter:drop-shadow(0 6px 22px rgba(224,48,30,.55))}
.cta p{margin:18px auto 34px;color:var(--gold-hi);font-size:1.08rem;letter-spacing:.1em}
.cta .hero-actions{justify-content:center}

/* ===== Footer ===== */
footer{border-top:1px solid var(--line);background:#0c0704;padding:44px 0 34px}
.f-inner{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.f-brand{display:flex;align-items:center;gap:12px}
.f-brand img{width:46px;height:46px;border-radius:10px}
.f-brand b{font-family:'ZCOOL QingKe HuangYou';color:var(--gold);font-size:1.1rem;display:block}
.f-brand small{color:var(--ink-dim);font-size:.78rem}
.f-info{display:flex;flex-wrap:wrap;gap:8px 26px;color:var(--ink-dim);font-size:.85rem}
.f-info span{display:inline-flex;align-items:center;gap:7px}
.f-info i{width:14px;height:14px;color:var(--orange)}
.friend-links{
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(245,201,107,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 0;font-size:.85rem;
}
.fl-label{display:inline-flex;align-items:center;gap:7px;color:var(--gold);margin-right:16px;font-weight:700}
.fl-label i{width:15px;height:15px}
.friend-links a{color:var(--ink-dim);padding:4px 14px;position:relative;transition:color .25s}
.friend-links a + a::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:rgba(245,201,107,.18)}
.friend-links a:hover{color:var(--gold-hi)}
.copyright{margin-top:20px;text-align:center;color:#7a6752;font-size:.78rem;line-height:1.8}

/* ===== 灯箱 ===== */
.lightbox{
  position:fixed;inset:0;z-index:200;display:grid;place-items:center;
  background:rgba(8,4,2,.92);backdrop-filter:blur(8px);
  opacity:0;pointer-events:none;transition:opacity .3s;
}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox img{max-width:min(92vw,480px);max-height:88vh;border-radius:14px;border:1px solid var(--gold);box-shadow:0 30px 90px rgba(0,0,0,.8)}
.lightbox .lb-close{
  position:absolute;top:26px;right:30px;background:rgba(34,18,8,.7);border:1px solid var(--line);
  color:var(--gold);width:44px;height:44px;border-radius:50%;cursor:pointer;display:grid;place-items:center;
}
.lightbox .lb-close i{width:22px;height:22px}

/* 回到顶部 */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:150;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--orange));border:none;color:#fff;cursor:pointer;
  display:grid;place-items:center;box-shadow:0 10px 26px rgba(224,48,30,.5);
  opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;transform:translateY(12px);
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top i{width:22px;height:22px}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-card{max-width:520px;margin-inline:auto}
  .welfare-grid{grid-template-columns:repeat(2,1fr)}
  .feature,.feature.rev{grid-template-columns:1fr;gap:34px;direction:ltr}
  .video-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  section{padding:70px 0}
  .nav-links{
    position:fixed;top:66px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(14,8,4,.97);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 5%;
  }
  .nav-links.open{max-height:320px;padding:10px 5% 18px}
  .nav-links a{padding:13px 4px;border-bottom:1px solid rgba(245,201,107,.08)}
  .menu-btn{display:grid;place-items:center}
  .nav-cta{display:none}
  .welfare-grid{grid-template-columns:1fr}
  .hero{padding-top:104px}
  .shot-track{grid-auto-columns:170px}
  .btn{padding:13px 26px;font-size:.95rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
}