*{box-sizing:border-box}
:root{--gold:#ffb000}
html,body{margin:0;min-height:100%;background:#000;color:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
body{overflow-x:hidden;padding-bottom:72px}
a{text-decoration:none;color:inherit}
img{display:block;width:100%;height:100%;object-fit:cover}
.page-bg{
 position:fixed;inset:0;z-index:0;
 background-position:center;
 background-size:cover;
 background-repeat:no-repeat;
 filter:blur(8px);
 opacity:0;
 transition:opacity .7s ease;
 will-change:opacity
}
.page-bg-a{background-image:url('../assets/banImg1_1.jpg');opacity:1}
.page-bg-b{background-image:url('../assets/banImg2_1.jpg')}

/* ── Header 玻璃顶栏（参考 mb5 hear-box）── */
.topbar{
 position:fixed;top:0;left:50%;transform:translateX(-50%);z-index:20;
 width:100%;height:46px;padding:6px 14px;
 display:flex;align-items:center;justify-content:space-between;
 border-radius:0 0 18px 18px;
 border:1px solid rgba(255,255,255,.2);
 background:rgba(255,255,255,.08);
 -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.logo-link img{width:auto;height:32px;object-fit:contain}
.top-actions{display:flex;align-items:center;gap:18px}
.action{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center}
.action small{font-size:8px;white-space:nowrap;color:#fff;text-shadow:0 1px 3px #000}
.css-icon{
 position:relative;width:26px;height:26px;
 border:1.4px solid rgba(255,255,255,.9);border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 box-shadow:0 1px 4px rgba(0,0,0,.35);background:rgba(0,0,0,.15)
}
.business-icon i{display:block;width:3px;height:3px;border-radius:50%;background:#fff;margin:0 1px}
.service-icon:before{
 content:"";position:absolute;left:4px;top:5px;
 width:14px;height:10px;
 border:1.5px solid #fff;border-radius:8px 8px 6px 6px;border-bottom-color:transparent
}
.service-icon:after{
 content:"";position:absolute;right:3px;top:10px;
 width:4px;height:6px;
 border-right:1.5px solid #fff;border-bottom:1.5px solid #fff;border-radius:0 0 4px 0
}
.service-icon i{
 position:absolute;left:9px;bottom:4px;
 width:6px;height:1.5px;border-radius:2px;background:#fff
}

main{width:100%;position:relative;z-index:1;padding-top:50px}

/* ── Hero 轮播 ── */
.hero-wrap{position:relative;padding-top:2px;height:calc(68vw + 35px);min-height:287px;max-height:327px;overflow:hidden}
.hero-track{position:relative;width:100%;height:calc(68vw + 15px);min-height:267px;max-height:307px}
.hero-card{
 appearance:none;-webkit-appearance:none;padding:0;margin:0;cursor:pointer;
 position:absolute;top:7px;width:68%;aspect-ratio:1/1;height:auto;border-radius:6px;overflow:hidden;
 box-shadow:0 5px 18px rgba(0,0,0,.55);transition:transform .55s ease,opacity .55s ease;
 border:3px solid rgba(255,255,255,.92);background:#111
}
.hero-card img{object-fit:contain;background:#111}
.hero-card.active{left:16%;z-index:5;transform:scale(1)}
.hero-card.side-left{left:-58%;z-index:2;transform:scale(.88);opacity:.84}
.hero-card.side-right{right:-58%;z-index:2;transform:scale(.88);opacity:.84}
.hero-card.far-left{left:-94%;z-index:1;transform:scale(.8);opacity:.24}
.hero-card.far-right{right:-94%;z-index:1;transform:scale(.8);opacity:.24}
.hero-card.no-transition{transition:none!important}
.hero-dots{position:absolute;left:50%;bottom:2px;transform:translateX(-50%);display:flex;gap:6px}
.hero-dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.45)}
.hero-dot.active{width:16px;border-radius:8px;background:#fff}

/* ── 作品区块 ── */
.section-block{padding:7px 8px 0}
.section-block h2{
 margin:0 0 8px;font-size:12px;font-weight:500;display:flex;align-items:center;gap:5px;
 text-shadow:0 1px 2px #000
}
.section-block h2 i{display:block;width:2px;height:13px;background:var(--gold)}
.slogan{
 margin:13px 0 10px;text-align:center;color:#f6cd83;font-size:11px;letter-spacing:5px;
 text-shadow:0 1px 3px #000
}

/* ── 跑马灯作品列表 ── */
.works-marquee{width:100%;overflow:hidden}
.works-track{display:flex;gap:8px;width:max-content;will-change:transform}
.works-track .work-card{
 appearance:none;-webkit-appearance:none;padding:0;border:0;margin:0;cursor:pointer;
 flex:0 0 150px;aspect-ratio:1.56/1;border-radius:2px;overflow:hidden;
 background:#222;box-shadow:0 4px 12px rgba(0,0,0,.35);
 position:relative
}
.works-track .work-card img{width:100%;height:100%;object-fit:cover}
.work-card-dl{
 position:absolute;bottom:0;left:0;right:0;z-index:2;
 background:linear-gradient(transparent,rgba(0,0,0,.88));
 padding:20px 6px 6px;text-align:center;
 opacity:0;transform:translateY(8px);
 transition:opacity .28s ease,transform .28s ease;
 pointer-events:none
}
.work-card:hover .work-card-dl,
.work-card:active .work-card-dl{
 opacity:1;transform:translateY(0);pointer-events:auto
}
.work-card-dl-btn{
 display:inline-block;padding:3px 10px;border-radius:10px;
 font-size:9px;font-weight:600;color:#fff;border:none;
 background:linear-gradient(135deg,#ffb000,#ff8c00);
 cursor:pointer;box-shadow:0 2px 8px rgba(255,176,0,.3);
 -webkit-tap-highlight-color:transparent
}
.work-card-dl-btn:active{opacity:.8}

/* ── 浮动教程按钮 ── */
.floating-badge{
 position:fixed;left:8px;bottom:77px;z-index:50;width:64px;height:64px;border-radius:50%;
 display:block;filter:drop-shadow(0 4px 8px rgba(0,0,0,.55));
 -webkit-tap-highlight-color:transparent
}
.floating-badge img{width:100%;height:100%;object-fit:contain;border-radius:50%}

/* ── 底部按钮（参考 mb5 footer-box）── */
.bottom-buttons{
 position:fixed;left:0;right:0;bottom:0;z-index:60;
 display:flex;align-items:center;justify-content:space-around;
 height:55px;padding:0;background:transparent
}
.bottom-buttons a{
 height:42px;flex:0 0 50%;display:flex;align-items:center;justify-content:center;
 font-size:12px;font-weight:700;gap:8px;padding:0 12px;border-radius:0
}
.btn-label{display:block;line-height:1}
.btn-icon{flex:0 0 auto;display:block;position:relative}
.outline-btn{border:1px solid var(--gold);color:var(--gold);background:rgba(0,0,0,.25);margin-right:2px}
.solid-btn{position:relative;background:var(--gold);color:#111;margin-left:2px}
.solid-btn small{position:absolute;bottom:2px;left:50%;transform:translateX(-50%);font-size:5px;font-weight:500}
.solid-btn{animation:dlGlow 2s ease-in-out infinite}
@keyframes dlGlow{
 0%,100%{box-shadow:0 0 0 0 rgba(255,176,0,.4)}
 50%{box-shadow:0 0 18px 6px rgba(255,176,0,.25)}
}
.browse-icon{width:16px;height:12px;border:1.8px solid currentColor;border-radius:12px/9px}
.browse-icon:before{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:4px;height:4px;border-radius:50%;background:currentColor}
.apple-icon{width:16px;height:16px}
.apple-icon:after{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-55%);font-size:16px;line-height:1;font-weight:700}
.android-icon{width:14px;height:16px}
.android-icon:after{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:10px;height:12px;border:2px solid currentColor;border-radius:2px;border-top:0}
.android-icon:before{content:'';position:absolute;left:50%;top:2px;transform:translateX(-50%);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:5px solid currentColor}

/* ── 视频弹窗（参考 mb5 van-popup：80% 高度，底部滑出）── */
.drawer-mask{
 position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.72);
 opacity:0;visibility:hidden;transition:opacity .32s ease,visibility .32s ease
}
.media-drawer{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 height:80%;background:#000;border-radius:14px 14px 0 0;
 transform:translateY(102%);
 transition:transform .38s cubic-bezier(.22,.8,.24,1);
 display:flex;flex-direction:column;overflow:hidden
}
.drawer-handle{
 width:36px;height:3px;border-radius:10px;background:rgba(255,255,255,.3);
 margin:8px auto 0;flex-shrink:0
}
.drawer-close{
 position:absolute;right:10px;top:6px;width:28px;height:28px;border:0;border-radius:50%;
 background:rgba(255,255,255,.1);color:#fff;font-size:22px;line-height:28px;cursor:pointer;z-index:10
}
.drawer-player{
 width:100%;flex:0 0 auto;height:45%;min-height:200px;background:#000;
 position:relative
}
.drawer-player video{
 width:100%;height:100%;object-fit:contain;display:block;background:#000
}
.ad-cover{
 position:absolute;top:0;left:0;width:100%;height:100%;z-index:5;
 overflow:hidden;background:#000;transition:opacity .5s ease
}
.ad-cover img{width:100%;height:100%;object-fit:contain;display:block}
.ad-center-info{
 position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
 display:flex;flex-direction:column;align-items:center;gap:10px;
 z-index:6;pointer-events:none
}
.ad-play-icon{
 width:60px;height:60px;border-radius:50%;
 background:rgba(0,0,0,.55);border:2px solid rgba(255,255,255,.3);
 display:flex;align-items:center;justify-content:center;
 font-size:28px;color:#fff;padding-left:4px
}
.ad-countdown{
 font-size:28px;font-weight:700;color:#fff;
 text-shadow:0 2px 8px rgba(0,0,0,.6);
 letter-spacing:2px
}
.ad-cover.hide{opacity:0;pointer-events:none}

/* ── 下载阻断 ── */
.download-block{
 position:absolute;top:0;left:0;width:100%;height:100%;z-index:7;
 display:none;background:rgba(0,0,0,.82);
 align-items:center;justify-content:center
}
.download-block.show{display:flex}
.block-content{text-align:center;padding:20px}
.block-icon{font-size:48px;margin-bottom:12px}
.block-title{font-size:18px;font-weight:600;color:#fff;margin-bottom:6px}
.block-desc{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px}
.block-btn{
 appearance:none;-webkit-appearance:none;border:0;padding:10px 36px;border-radius:22px;
 background:linear-gradient(135deg,#ffb000,#ff8c00);color:#fff;font-size:15px;font-weight:600;
 cursor:pointer;box-shadow:0 3px 12px rgba(255,176,0,.35)
}
.block-btn:active{opacity:.85}
.drawer-list{
 flex:1;overflow-y:auto;padding:8px 10px calc(8px + env(safe-area-inset-bottom));
 -webkit-overflow-scrolling:touch
}
.drawer-list-title{
 font-size:13px;color:rgba(255,255,255,.6);margin-bottom:8px;font-weight:500;
 display:flex;align-items:center;justify-content:space-between
}
.drawer-list-cta{font-size:10px;color:var(--gold);white-space:nowrap;background:none;border:0;padding:0;cursor:pointer}
.drawer-list-cta:active{opacity:.7}
.drawer-list-track{
 display:grid;grid-template-columns:repeat(3,1fr);gap:6px
}
.drawer-related-item{
 appearance:none;-webkit-appearance:none;border:0;padding:0;margin:0;cursor:pointer;
 width:100%;aspect-ratio:1.56/1;border-radius:4px;overflow:hidden;
 background:#222;position:relative;box-shadow:0 2px 6px rgba(0,0,0,.3)
}
.drawer-related-item img{
 width:100%;height:100%;object-fit:cover;display:block
}
.drawer-related-item span{
 position:absolute;bottom:0;left:0;right:0;padding:3px 5px;
 background:linear-gradient(transparent,rgba(0,0,0,.85));
 font-size:10px;color:#fff;line-height:1.3;text-align:left;
 overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical
}
.drawer-related-item .item-desc{
 display:none;
 position:absolute;top:0;left:0;right:0;padding:2px 5px;
 font-size:9px;color:rgba(255,255,255,.7);text-align:left;
 background:linear-gradient(rgba(0,0,0,.7),transparent);
 overflow:hidden;text-overflow:ellipsis;white-space:nowrap
}
.drawer-related-item.active{outline:2px solid var(--gold);outline-offset:-2px}
.drawer-related-item.active .item-desc{display:block}

/* ── 播放器内下载提示条 ── */
.player-dl-bar{
 position:absolute;bottom:0;left:0;right:0;z-index:8;
 display:flex;align-items:center;justify-content:center;gap:6px;
 padding:6px 10px;
 background:linear-gradient(transparent,rgba(0,0,0,.82));
 opacity:0;transform:translateY(100%);
 transition:opacity .35s ease,transform .35s ease;
 pointer-events:none
}
.drawer-player:hover .player-dl-bar,
.drawer-player:active .player-dl-bar,
.player-dl-bar.show{
 opacity:1;transform:translateY(0);pointer-events:auto
}
.player-dl-btn{
 padding:5px 16px;border-radius:14px;
 font-size:11px;font-weight:700;color:#fff;border:none;
 background:linear-gradient(135deg,#ffb000,#ff8c00);
 cursor:pointer;box-shadow:0 2px 10px rgba(255,176,0,.35);
 -webkit-tap-highlight-color:transparent;
 transition:transform .2s ease
}
.player-dl-btn:active{transform:scale(.95)}
.mobile-site.drawer-open .drawer-mask{opacity:1;visibility:visible}
.mobile-site.drawer-open .media-drawer{transform:translateY(0)}
.mobile-site.drawer-open{touch-action:none}

/* ── PC 端样式 ── */
.desktop-site{display:block;max-width:1180px;margin:auto;background:#000;color:#fff}
.desktop-header{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.desktop-logo img{width:180px;height:52px;object-fit:contain;object-position:left center}
.desktop-header nav{display:flex;gap:42px}.desktop-header nav a{color:#fff;text-decoration:none;font-size:14px;font-weight:700}
.desktop-slider{position:relative;aspect-ratio:1280/500;overflow:hidden;background:#111}
.desktop-slide{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:opacity .75s ease,transform 1.25s ease;pointer-events:none}
.desktop-slide.active{opacity:1;transform:scale(1);pointer-events:auto}
.desktop-slide img{width:100%;height:100%;object-fit:cover}
.desktop-prev,.desktop-next{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:44px;height:72px;border:0;background:rgba(0,0,0,.38);color:#fff;font-size:40px;cursor:pointer;opacity:0;transition:.25s}
.desktop-slider:hover .desktop-prev,.desktop-slider:hover .desktop-next{opacity:1}
.desktop-prev{left:10px}.desktop-next{right:10px}
.desktop-dots{position:absolute;left:50%;bottom:13px;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
.desktop-dot{width:8px;height:8px;border:0;border-radius:99px;background:rgba(255,255,255,.48);padding:0}
.desktop-dot.active{width:28px;background:#fff}
.desktop-categories{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:6px;padding-bottom:50px}
.desktop-categories a{position:relative;height:330px;overflow:hidden;background:#111}
.desktop-cover{width:100%;height:100%;object-fit:cover;filter:blur(12px) brightness(.5);transform:scale(1.12);transition:.5s}
.desktop-word{position:absolute;inset:0;margin:auto;width:72%;height:78%;object-fit:contain;filter:drop-shadow(0 10px 18px #000);transition:.5s}
.desktop-categories a:hover .desktop-cover{filter:blur(0) brightness(.72);transform:scale(1.04)}
.desktop-categories a:hover .desktop-word{transform:translateY(-8px) scale(.95)}
.desktop-site{position:relative}
.desktop-all-link{
 position:absolute;inset:0;z-index:1000;display:block;
 cursor:pointer;background:transparent
}

.mobile-site{display:none;position:relative;isolation:isolate}

@media(max-width:1023px){
  .desktop-site{display:none}
  .mobile-site{display:block}
  .mobile-site .page-bg{display:block}
}
@media(min-width:1024px){
  .mobile-site{display:none;position:relative;isolation:isolate}
  body{padding-bottom:0}
}

/* ── iOS 下载确认弹窗 ── */
.ios-dl-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center}
.ios-dl-modal.show{display:flex}
.ios-dl-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.ios-dl-box{position:relative;width:280px;background:#1c1c1e;border-radius:16px;padding:30px 24px 20px;text-align:center}
.ios-dl-icon{font-size:48px;margin-bottom:12px}
.ios-dl-title{font-size:15px;color:#fff;line-height:1.5;margin-bottom:24px}
.ios-dl-btns{display:flex;gap:12px}
.ios-dl-cancel,.ios-dl-confirm{flex:1;height:44px;border:0;border-radius:22px;font-size:15px;font-weight:600;cursor:pointer}
.ios-dl-cancel{background:#2c2c2e;color:rgba(255,255,255,.6)}
.ios-dl-confirm{background:linear-gradient(135deg,#ffb000,#ff8c00);color:#fff}
.ios-dl-cancel:active,.ios-dl-confirm:active{opacity:.75}