:root{--gold:#f5c542;--goldl:#ffe082;--goldd:#b8860b;--red:#e53935;--dark:#0a0a12;--darker:#050508}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Noto Serif SC',serif;background:var(--dark);color:#fff;overflow-x:hidden}
a{text-decoration:none;color:inherit}
/* 导航 */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:14px 4vw;background:linear-gradient(180deg,rgba(5,5,8,.85),rgba(5,5,8,0));transition:all .3s}
nav.scrolled{background:rgba(5,5,8,.92);box-shadow:0 4px 30px rgba(0,0,0,.5)}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.15rem;letter-spacing:2px}
.logo img{width:42px;height:42px;border-radius:10px;box-shadow:0 0 18px rgba(245,197,66,.6)}
.logo span{background:linear-gradient(90deg,var(--goldl),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
nav ul{display:flex;gap:30px;list-style:none}
nav ul a{font-size:.95rem;color:#ddd;transition:color .3s;position:relative}
nav ul a:hover{color:var(--goldl)}
nav ul a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--gold);transition:width .3s}
nav ul a:hover::after{width:100%}
.menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.menu-btn span{width:26px;height:2.5px;background:var(--gold);border-radius:2px;transition:.3s}
/* 首屏 */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:120px 5vw 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2;background:url('../images/banner/banner52f9187bf6385d6991d0e0789088bbb11785894108.jpg') center/cover no-repeat;filter:brightness(.55);transform:scale(1.05)}
.hero::before{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at center,transparent 20%,rgba(5,5,8,.7) 80%),linear-gradient(180deg,rgba(5,5,8,.3),rgba(5,5,8,.95))}
.sparks{position:absolute;inset:0;z-index:-1;overflow:hidden}
.spark{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold);animation:rise linear infinite;opacity:0}
@keyframes rise{0%{transform:translateY(0);opacity:0}10%{opacity:.9}100%{transform:translateY(-100vh);opacity:0}}
.hero .tag{display:inline-flex;align-items:center;gap:8px;padding:8px 22px;border:1px solid var(--gold);border-radius:30px;color:var(--goldl);font-size:.9rem;letter-spacing:3px;background:rgba(245,197,66,.08);backdrop-filter:blur(6px);margin-bottom:26px}
.hero h1{font-size:clamp(2.6rem,8vw,5.5rem);font-weight:900;line-height:1.15;letter-spacing:4px;background:linear-gradient(180deg,#fff,var(--goldl) 55%,var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 60px rgba(245,197,66,.35);margin-bottom:8px}
.hero .sub{font-size:clamp(1rem,3vw,1.6rem);font-weight:600;letter-spacing:6px;color:#f0e6c8;margin-bottom:18px}
/* 0.05折徽章 */
.dzk{display:inline-flex;align-items:center;gap:14px;padding:10px 24px;margin-bottom:26px;background:linear-gradient(135deg,rgba(229,57,53,.92),rgba(198,40,40,.95));border:1px solid rgba(255,183,77,.65);border-radius:16px;box-shadow:0 8px 30px rgba(229,57,53,.4),0 0 40px rgba(229,57,53,.25);transform:rotate(-1deg)}
.dzk-num{font-size:2.3rem;font-weight:900;color:#fff;line-height:1;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.dzk-num span{font-size:1.05rem;margin-left:2px}
.dzk-txt{text-align:left;display:flex;flex-direction:column;gap:3px}
.dzk-txt b{color:#ffd54f;font-size:1.02rem;letter-spacing:1px;white-space:nowrap}
.dzk-txt span{color:#ffe0b2;font-size:.78rem;white-space:nowrap}
.hero .desc{max-width:760px;font-size:clamp(.9rem,2.4vw,1.1rem);line-height:2;color:#cfc8b8;margin-bottom:38px}
.meta{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:42px}
.meta span{display:inline-flex;align-items:center;gap:8px;padding:9px 20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:12px;font-size:.92rem;color:#e8e2d2;backdrop-filter:blur(8px)}
.meta b{color:var(--goldl)}
.btns{display:flex;flex-wrap:wrap;gap:18px;justify-content:center}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 42px;border-radius:40px;font-size:1.05rem;font-weight:700;letter-spacing:2px;transition:all .3s;cursor:pointer}
.btn-gold{background:linear-gradient(135deg,var(--goldl),var(--gold) 60%,var(--goldd));color:#201a05;box-shadow:0 8px 30px rgba(245,197,66,.4),inset 0 1px 0 rgba(255,255,255,.6)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(245,197,66,.55)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-3px)}
.btn-ios{background:linear-gradient(135deg,#4da6ff,#0a84ff 60%,#0066cc);color:#fff;box-shadow:0 8px 30px rgba(10,132,255,.4),inset 0 1px 0 rgba(255,255,255,.4)}
.btn-ios:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(10,132,255,.55)}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:#bdb49a;font-size:.8rem;letter-spacing:2px;animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}
/* 通用区块 */
section{position:relative;padding:90px 6vw}
.wrap{max-width:1200px;margin:0 auto}
.sec-head{text-align:center;margin-bottom:60px}
.sec-head .en{font-size:.85rem;letter-spacing:6px;color:var(--gold);opacity:.8;margin-bottom:10px}
.sec-head h2{font-size:clamp(1.7rem,4.5vw,2.6rem);font-weight:900;letter-spacing:3px;background:linear-gradient(180deg,#fff,var(--goldl));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sec-head .line{width:70px;height:3px;background:linear-gradient(90deg,transparent,var(--gold),transparent);margin:18px auto 0;border-radius:2px}
/* 简介 */
.intro{background:linear-gradient(180deg,var(--darker),#0d0d1a)}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.intro-img{position:relative}
.intro-img img{width:100%;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.6);border:1px solid rgba(245,197,66,.3)}
.intro-img::after{content:'';position:absolute;inset:-14px;border:1px solid rgba(245,197,66,.25);border-radius:24px;z-index:-1}
.intro-txt h3{font-size:1.5rem;color:var(--goldl);margin-bottom:20px;letter-spacing:2px}
.intro-txt p{color:#cfc8b8;line-height:2.1;font-size:1rem;margin-bottom:18px;text-indent:2em}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.fact{padding:16px;text-align:center;background:rgba(245,197,66,.07);border:1px solid rgba(245,197,66,.25);border-radius:14px}
.fact b{display:block;font-size:1.5rem;color:var(--goldl);font-weight:900}
.fact span{font-size:.85rem;color:#bdb49a}
/* 视频 */
.video-sec{background:linear-gradient(180deg,#0d0d1a,var(--dark))}
.video-box{max-width:960px;margin:0 auto;border-radius:18px;overflow:hidden;border:1px solid rgba(245,197,66,.3);box-shadow:0 20px 60px rgba(0,0,0,.6)}
.video-box video{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;background:#000}
/* 福利 */
.welfare{background:radial-gradient(ellipse at 50% -10%,rgba(245,197,66,.12),transparent 55%),#0a0a12}
.wf-tip{margin-bottom:28px;text-align:center;padding:13px 20px;border:1px dashed rgba(245,197,66,.55);border-radius:12px;color:#e8e2d2;font-size:.95rem;letter-spacing:1px;background:rgba(245,197,66,.06);line-height:1.9}
.wf-tip b{color:var(--goldl)}
.wf-tip .hl{color:#ff8a80;font-size:1.05rem;font-weight:900}
.wf-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
.wf-card{position:relative;padding:30px 26px;background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));border:1px solid rgba(255,255,255,.1);border-radius:18px;overflow:hidden;transition:all .4s}
.wf-card:hover{transform:translateY(-6px);border-color:rgba(245,197,66,.5);box-shadow:0 16px 40px rgba(0,0,0,.5),0 0 30px rgba(245,197,66,.12)}
.wf-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.6}
.wf-card .no{position:absolute;top:14px;right:20px;font-size:2.6rem;font-weight:900;color:rgba(245,197,66,.14)}
.wf-card h4{font-size:1.15rem;color:var(--goldl);margin-bottom:12px;letter-spacing:1px;display:flex;align-items:center;gap:8px}
.wf-card h4 i{width:30px;height:30px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--goldl),var(--gold));color:#201a05;border-radius:8px;font-style:normal;font-size:.85rem;font-weight:900;box-shadow:0 4px 12px rgba(245,197,66,.35)}
.wf-card p{color:#c4bdab;font-size:.92rem;line-height:1.9}
.wf-card p b{color:#fff}
.wf-hot{border-color:rgba(229,57,53,.5)}
.wf-hot::before{background:linear-gradient(90deg,transparent,var(--red),transparent)}
.wf-hot h4{color:#ff8a80}
/* 截图 */
.gallery{background:var(--darker)}
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gal-item{position:relative;border-radius:16px;overflow:hidden;cursor:pointer;aspect-ratio:16/9;border:1px solid rgba(255,255,255,.1);transition:all .4s}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.gal-item:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(0,0,0,.6)}
.gal-item:hover img{transform:scale(1.08)}
.gal-item::after{content:'点击放大';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(5,5,8,.5);color:var(--goldl);font-size:.9rem;letter-spacing:2px;opacity:0;transition:opacity .3s}
.gal-item:hover::after{opacity:1}
/* 轮播大图 */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.9);display:none;align-items:center;justify-content:center;flex-direction:column;padding:30px}
.lightbox.show{display:flex}
.lightbox img{max-width:92vw;max-height:80vh;border-radius:12px;box-shadow:0 0 60px rgba(245,197,66,.15)}
.lightbox .close{position:absolute;top:22px;right:30px;font-size:2.4rem;cursor:pointer;color:#fff;background:none;border:none;transition:transform .3s}
.lightbox .close:hover{transform:rotate(90deg);color:var(--gold)}
/* 下载CTA */
.cta{position:relative;padding:110px 6vw;text-align:center;overflow:hidden}
.cta-bg{position:absolute;inset:0;z-index:-2;background:url('../images/banner/bannereb5328fa3526b34f065a004a8bba130c1785894096.jpg') center/cover no-repeat;filter:brightness(.4)}
.cta::before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--dark),rgba(10,10,18,.75) 30%,rgba(10,10,18,.75) 70%,var(--dark))}
.cta h2{font-size:clamp(1.8rem,5vw,3rem);font-weight:900;letter-spacing:3px;background:linear-gradient(180deg,#fff,var(--goldl));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:16px}
.cta p{color:#cfc8b8;font-size:1.05rem;margin-bottom:12px}
.cta-discount{display:inline-block;margin-bottom:14px;padding:11px 26px;border-radius:40px;background:linear-gradient(135deg,rgba(229,57,53,.9),rgba(198,40,40,.95));border:1px solid rgba(255,183,77,.6);box-shadow:0 6px 24px rgba(229,57,53,.35);color:#fff;font-size:1.02rem;letter-spacing:1px}
.cta-discount b{color:#ffd54f;font-size:1.12rem}
.cta .time{color:var(--goldl);font-size:1.15rem;font-weight:700;letter-spacing:2px;margin-bottom:38px;display:block}
/* 二维码 */
.qr-box{width:132px;height:132px;background:#fff;border-radius:10px;padding:6px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.qr-box img,.qr-box canvas{width:100%!important;height:100%!important;display:block}
.btn-qr{position:relative}
.qr-pop{position:absolute;bottom:calc(100% + 16px);left:50%;transform:translateX(-50%);display:none;flex-direction:column;align-items:center;gap:8px;padding:12px;background:rgba(10,10,18,.95);border:1px solid rgba(245,197,66,.4);border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.6);z-index:60}
.qr-pop::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);border:8px solid transparent;border-top-color:rgba(10,10,18,.95)}
.btn-qr:hover .qr-pop{display:flex}
.qr-pop span,.qr-static span{color:var(--goldl);font-size:.8rem;letter-spacing:1px;white-space:nowrap}
.qr-static{margin-top:28px;display:flex;flex-direction:column;align-items:center;gap:8px}
.qr-static .qr-box{width:150px;height:150px}
/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:24px;z-index:150;width:46px;height:46px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--goldl),var(--gold));color:#201a05;font-size:1.3rem;font-weight:900;cursor:pointer;box-shadow:0 6px 20px rgba(245,197,66,.45);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .4s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(245,197,66,.6)}
/* 页脚 */
footer{padding:40px 6vw;text-align:center;border-top:1px solid rgba(255,255,255,.07);background:var(--darker)}
footer p{color:#8b8577;font-size:.85rem;line-height:2}
.friends{padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 22px}
.friends b{color:var(--gold);font-weight:700;letter-spacing:1px;font-size:.9rem}
.friends a{color:#8b8577;font-size:.85rem;transition:color .3s}
.friends a:hover{color:var(--goldl)}
footer .gold{color:var(--gold)}
/* 响应式 */
@media(max-width:960px){
  nav ul{position:fixed;top:0;right:-100%;width:70%;max-width:300px;height:100vh;flex-direction:column;justify-content:center;align-items:center;gap:34px;background:rgba(5,5,8,.97);transition:right .4s;z-index:99}
  nav ul.open{right:0}
  .menu-btn{display:flex;z-index:100}
  .intro-grid{grid-template-columns:1fr}
  .facts{grid-template-columns:repeat(3,1fr)}
  .gal-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  section{padding:64px 5vw}
  .facts{grid-template-columns:repeat(3,1fr);gap:10px}
  .fact b{font-size:1.15rem}
  .btn{padding:13px 30px;font-size:.95rem}
  .meta span{padding:8px 14px;font-size:.82rem}
  .gal-grid{grid-template-columns:1fr}
  .back-top{right:14px;bottom:14px;width:40px;height:40px;font-size:1.1rem}
  .dzk{padding:8px 16px;gap:10px}
  .dzk-num{font-size:1.8rem}
  .dzk-txt b{font-size:.85rem}
  .dzk-txt span{font-size:.68rem}
  .wf-tip{font-size:.82rem}
}