*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;background:#0a0a0a;color:#f0f0f0;overflow-x:hidden;line-height:1.6;min-height:100vh}
img,video{max-width:100%;display:block}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:#111}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#ff6b35,#c90076);border-radius:4px}
::selection{background:rgba(255,107,53,0.3);color:#fff}

/* ============ PARTICLES ============ */
#particles{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.particle{position:absolute;border-radius:50%;pointer-events:none;opacity:.6;animation:float-up linear infinite}
@keyframes float-up{0%{transform:translateY(0) scale(1);opacity:.6}100%{transform:translateY(-100vh) scale(0);opacity:0}}

/* ============ NAVBAR ============ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 20px;height:60px;display:flex;align-items:center;justify-content:space-between;background:transparent;border-bottom:1px solid transparent;transition:background .3s,height .3s,border-color .3s,box-shadow .3s}
.navbar.scrolled{background:rgba(10,10,10,.92);backdrop-filter:blur(20px);height:50px;border-bottom-color:rgba(255,255,255,.05);box-shadow:0 4px 30px rgba(255,77,0,.1)}
.navbar.menu-open{background:rgba(10,10,10,.95);backdrop-filter:blur(20px);border-bottom-color:rgba(255,255,255,.05)}
.navbar.scrolled{background:rgba(10,10,10,.95);height:50px;box-shadow:0 4px 30px rgba(255,77,0,.1)}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo img{width:36px;height:36px;border-radius:8px;object-fit:cover;box-shadow:0 0 15px rgba(255,107,53,.4)}
.nav-logo span{font-size:18px;font-weight:800;background:linear-gradient(90deg,#ff6b35,#ff9a56,#c90076);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:1px}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{color:rgba(255,255,255,.7);text-decoration:none;font-size:14px;padding:8px 16px;border-radius:8px;transition:all .3s;white-space:nowrap;position:relative}
.nav-links a:hover{color:#fff;background:rgba(255,107,53,.15)}
.nav-links a::after{content:'';position:absolute;bottom:2px;left:50%;width:0;height:2px;background:linear-gradient(90deg,#ff6b35,#c90076);transition:all .3s;transform:translateX(-50%);border-radius:1px}
.nav-links a:hover::after{width:60%}
.nav-cta{background:linear-gradient(135deg,#ff6b35,#c90076)!important;color:#fff!important;font-weight:700;padding:8px 20px!important;box-shadow:0 4px 20px rgba(255,107,53,.3);animation:cta-pulse 2s ease-in-out infinite}
.nav-cta:hover{background:linear-gradient(135deg,#ff8535,#e0008a)!important;transform:translateY(-1px);box-shadow:0 6px 25px rgba(255,107,53,.5)}
@keyframes cta-pulse{0%,100%{box-shadow:0 4px 20px rgba(255,107,53,.3)}50%{box-shadow:0 4px 30px rgba(255,107,53,.6)}}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:80px 20px 40px}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(255,107,53,.08) 0%,transparent 70%);z-index:1}
.hero-video{position:absolute;inset:0;z-index:0;object-fit:cover;width:100%;height:100%;opacity:.25}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.3) 0%,rgba(10,10,10,.6) 60%,#0a0a0a 100%);z-index:2}
.hero-content{position:relative;z-index:3;text-align:center;max-width:900px;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,107,53,.12);border:1px solid rgba(255,107,53,.25);padding:8px 20px;border-radius:50px;font-size:13px;color:#ff9a56;margin-bottom:24px;backdrop-filter:blur(10px);animation:fade-in-up .8s ease-out}
.hero-badge .dot{width:8px;height:8px;background:#ff6b35;border-radius:50%;animation:dot-blink 1.5s ease-in-out infinite;box-shadow:0 0 10px #ff6b35}
@keyframes dot-blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero-title{font-size:clamp(36px,8vw,72px);font-weight:900;line-height:1.1;margin-bottom:16px;background:linear-gradient(135deg,#fff 20%,#ff9a56 50%,#ff6b35 70%,#c90076 90%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fade-in-up .8s ease-out .2s both;text-shadow:none;filter:drop-shadow(0 4px 20px rgba(255,107,53,.2))}
.hero-subtitle{font-size:clamp(16px,3vw,22px);color:rgba(255,255,255,.6);margin-bottom:12px;animation:fade-in-up .8s ease-out .4s both;font-weight:400}
.hero-tagline{font-size:clamp(14px,2.5vw,18px);color:#ff9a56;margin-bottom:32px;animation:fade-in-up .8s ease-out .5s both;font-weight:500;letter-spacing:2px}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;animation:fade-in-up .8s ease-out .7s both}
.btn{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;border-radius:12px;font-size:16px;font-weight:700;text-decoration:none;transition:all .3s;cursor:pointer;border:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#ff6b35,#c90076);color:#fff;box-shadow:0 8px 30px rgba(255,107,53,.35);position:relative;overflow:hidden}
.btn-primary::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:shine 3s infinite}
@keyframes shine{0%{transform:translateX(-100%) rotate(0deg)}100%{transform:translateX(100%) rotate(0deg)}}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(255,107,53,.5)}
.btn-secondary{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(10px)}
.btn-secondary:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);transform:translateY(-3px)}
.hero-info{display:flex;gap:32px;justify-content:center;margin-top:40px;flex-wrap:wrap;animation:fade-in-up .8s ease-out .9s both}
.hero-info-item{text-align:center}
.hero-info-item .num{font-size:28px;font-weight:800;background:linear-gradient(90deg,#ff6b35,#ff9a56);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-info-item .label{font-size:12px;color:rgba(255,255,255,.5);margin-top:4px}
.hero-scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:3;animation:fade-in-up .8s ease-out 1.1s both}
.hero-scroll a{display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.4);text-decoration:none;font-size:12px;transition:color .3s}
.hero-scroll a:hover{color:#ff9a56}
.hero-scroll .mouse{width:24px;height:38px;border:2px solid rgba(255,255,255,.3);border-radius:12px;position:relative}
.hero-scroll .mouse::before{content:'';position:absolute;top:6px;left:50%;transform:translateX(-50%);width:4px;height:8px;background:#ff9a56;border-radius:2px;animation:scroll-wheel 1.5s ease-in-out infinite}
@keyframes scroll-wheel{0%{opacity:1;top:6px}100%{opacity:0;top:18px}}
@keyframes fade-in-up{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

/* ============ SECTIONS ============ */
.section{padding:100px 20px;position:relative;z-index:1}
.section-header{text-align:center;margin-bottom:60px}
.section-label{display:inline-block;font-size:12px;color:#ff9a56;letter-spacing:4px;text-transform:uppercase;margin-bottom:12px;background:rgba(255,107,53,.1);padding:6px 16px;border-radius:6px;border:1px solid rgba(255,107,53,.15)}
.section-title{font-size:clamp(28px,5vw,42px);font-weight:800;margin-bottom:16px;background:linear-gradient(90deg,#fff,#ff9a56);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-desc{color:rgba(255,255,255,.5);font-size:16px;max-width:600px;margin:0 auto}

/* ============ INTRO ============ */
.intro-section{background:#0f0f0f}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:1200px;margin:0 auto;align-items:center}
.intro-img{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 20px 60px rgba(255,107,53,.15)}
.intro-img::before{content:'';position:absolute;inset:0;border:1px solid rgba(255,107,53,.2);border-radius:16px;z-index:1;pointer-events:none}
.intro-img img{width:100%;border-radius:16px;transition:transform .5s}
.intro-img:hover img{transform:scale(1.03)}
.intro-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(10,10,10,.6) 100%);pointer-events:none}
.intro-text h3{font-size:28px;font-weight:700;margin-bottom:16px;color:#fff}
.intro-text p{color:rgba(255,255,255,.6);margin-bottom:20px;font-size:16px;line-height:1.8}
.intro-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.intro-tag{background:rgba(255,107,53,.1);border:1px solid rgba(255,107,53,.2);color:#ff9a56;padding:6px 14px;border-radius:8px;font-size:13px;font-weight:500}
.intro-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.intro-stat{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:20px;text-align:center;transition:all .3s}
.intro-stat:hover{background:rgba(255,107,53,.08);border-color:rgba(255,107,53,.2);transform:translateY(-4px)}
.intro-stat .num{font-size:24px;font-weight:800;color:#ff9a56;margin-bottom:4px}
.intro-stat .label{font-size:12px;color:rgba(255,255,255,.5)}

/* ============ FEATURES ============ */
.features-section{background:linear-gradient(180deg,#0a0a0a 0%,#0d0505 50%,#0a0a0a 100%)}
.features-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;max-width:1200px;margin:0 auto}
.feature-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;overflow:hidden;transition:all .4s;position:relative}
.feature-card:hover{transform:translateY(-8px);border-color:rgba(255,107,53,.3);box-shadow:0 20px 40px rgba(255,107,53,.15)}
.feature-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s}
.feature-card:hover img{transform:scale(1.05)}
.feature-card-body{padding:20px}
.feature-card h4{font-size:16px;font-weight:700;margin-bottom:8px;color:#fff}
.feature-card p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.6}
.feature-card .badge{position:absolute;top:12px;right:12px;background:rgba(255,107,53,.9);color:#fff;font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px;z-index:2}

/* ============ WELFARE ============ */
.welfare-section{background:#0f0f0f}
.welfare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1000px;margin:0 auto}
.welfare-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:28px;transition:all .3s;position:relative;overflow:hidden}
.welfare-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#ff6b35,#c90076);opacity:0;transition:opacity .3s}
.welfare-card:hover::before{opacity:1}
.welfare-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.2);background:rgba(255,107,53,.04)}
.welfare-icon{width:48px;height:48px;background:linear-gradient(135deg,#ff6b35,#c90076);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;box-shadow:0 4px 15px rgba(255,107,53,.3)}
.welfare-card h4{font-size:18px;font-weight:700;margin-bottom:10px;color:#fff}
.welfare-card p{font-size:14px;color:rgba(255,255,255,.55);line-height:1.7}
.welfare-card .highlight{color:#ff9a56;font-weight:600}

/* ============ SCREENSHOTS ============ */
.ss-section{background:linear-gradient(180deg,#0a0a0a 0%,#0f0a0a 100%)}
.ss-carousel{position:relative;max-width:1100px;margin:0 auto}
.ss-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:20px 10px 30px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.ss-track::-webkit-scrollbar{display:none}
.ss-item{flex:0 0 auto;width:480px;scroll-snap-align:center;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.5);transition:transform .3s;cursor:pointer;position:relative}
.ss-item:hover{transform:scale(1.05)}
.ss-item img{width:100%;aspect-ratio:1228/683;object-fit:cover}
.ss-item::after{content:'';position:absolute;inset:0;border:1px solid rgba(255,255,255,.08);border-radius:12px;pointer-events:none}
.ss-nav{display:flex;justify-content:center;gap:12px;margin-top:20px}
.ss-nav button{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);color:#fff;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center;font-size:16px}
.ss-nav button:hover{background:linear-gradient(135deg,#ff6b35,#c90076);border-color:transparent;transform:scale(1.1)}
.ss-dots{display:flex;gap:8px;justify-content:center;margin-top:16px}
.ss-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.2);transition:all .3s;cursor:pointer;border:none}
.ss-dot.active{background:linear-gradient(135deg,#ff6b35,#c90076);width:24px;border-radius:4px}

/* ============ DOWNLOAD ============ */
.download-section{background:linear-gradient(180deg,#0f0f0f 0%,#0a0a0a 100%);text-align:center}
.download-box{max-width:700px;margin:0 auto;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:24px;padding:60px 40px;position:relative;overflow:hidden}
.download-box::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,107,53,.06) 0%,transparent 60%);pointer-events:none}
.download-box h2{font-size:32px;font-weight:800;margin-bottom:12px;position:relative;z-index:1}
.download-box p{color:rgba(255,255,255,.5);margin-bottom:32px;position:relative;z-index:1}
.download-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.download-btn{display:inline-flex;align-items:center;gap:12px;padding:18px 32px;border-radius:14px;font-size:16px;font-weight:700;text-decoration:none;transition:all .3s;cursor:pointer;border:none}
.download-btn.android{background:#4CAF50;color:#fff;box-shadow:0 8px 25px rgba(76,175,80,.3)}
.download-btn.android:hover{background:#5bbf5b;transform:translateY(-3px);box-shadow:0 12px 35px rgba(76,175,80,.4)}
.download-btn.ios{background:#007AFF;color:#fff;border:none;box-shadow:0 8px 25px rgba(0,122,255,.3)}
.download-btn.ios:hover{background:#3395ff;transform:translateY(-3px);box-shadow:0 12px 35px rgba(0,122,255,.4)}

/* ============ QR CODE ============ */
.hero-download-wrap{position:relative}
.qr-tip{position:absolute;bottom:calc(100% + 18px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border-radius:14px;padding:12px;box-shadow:0 15px 45px rgba(0,0,0,.45);opacity:0;visibility:hidden;transition:all .3s ease;z-index:50;pointer-events:none;min-width:160px}
.qr-tip::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);border:8px solid transparent;border-top-color:#fff}
.qr-tip-box{width:140px;height:140px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:8px;overflow:hidden}
.qr-tip-box img,.qr-tip-box canvas{max-width:100%;max-height:100%;display:block}
.qr-tip-label{display:block;text-align:center;font-size:12px;color:#666;margin-top:8px;font-weight:600}
@media (hover:hover){
.hero-download-wrap:hover .qr-tip{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
}
.download-qr-wrap{margin-top:32px;position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:12px}
.download-qr{width:180px;height:180px;background:#fff;border-radius:16px;padding:10px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.download-qr img,.download-qr canvas{width:100%;height:100%;display:block}
.download-qr-text{font-size:13px;color:rgba(255,255,255,.5)}

/* ============ LIGHTBOX ============ */
#lightbox{position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;padding:20px;opacity:0;transition:opacity .3s}
#lightbox.active{display:flex;opacity:1}
#lightbox img{max-width:90%;max-height:90vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5);transform:scale(.9);transition:transform .3s}
#lightbox.active img{transform:scale(1)}
#lightbox .close{position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s}
#lightbox .close:hover{background:rgba(255,107,53,.3);border-color:rgba(255,107,53,.5)}

/* ============ FOOTER ============ */
.footer{background:#080808;border-top:1px solid rgba(255,255,255,.05);padding:40px 20px;text-align:center}
.footer-logo{font-size:20px;font-weight:800;background:linear-gradient(90deg,#ff6b35,#c90076);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px}
.footer p{font-size:13px;color:rgba(255,255,255,.3);margin-bottom:8px}
.footer-links{display:flex;gap:20px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.4);text-decoration:none;font-size:13px;transition:color .3s}
.footer-links a:hover{color:#ff9a56}
.friend-links{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.05)}
.friend-links-label{font-size:13px;color:rgba(255,255,255,.35);letter-spacing:1px;white-space:nowrap}
.friend-links-list{display:flex;gap:8px 18px;flex-wrap:wrap;justify-content:center}
.friend-links-list a{color:rgba(255,255,255,.4);text-decoration:none;font-size:13px;transition:color .3s;white-space:nowrap}
.friend-links-list a:hover{color:#ff9a56;text-decoration:underline}

/* ============ ANIMATIONS ============ */
.reveal{opacity:0;transform:translateY(40px);transition:all .8s ease-out}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}
.reveal-delay-5{transition-delay:.5s}

/* ============ BACK TO TOP ============ */
#backToTop{position:fixed;right:24px;bottom:24px;z-index:999;width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#c90076);color:#fff;border:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;box-shadow:0 8px 25px rgba(255,107,53,.4);opacity:0;visibility:hidden;transform:translateY(20px);transition:all .4s;font-size:10px;font-weight:700}
#backToTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backToTop:hover{transform:translateY(-4px);box-shadow:0 12px 35px rgba(255,107,53,.6)}
#backToTop svg{width:16px;height:16px}
@media (max-width:600px){#backToTop{right:16px;bottom:16px;width:46px;height:46px}}

/* ============ MOBILE ============ */
@media (max-width:900px){
.nav-links{display:none;position:absolute;top:60px;left:0;right:0;background:rgba(10,10,10,.95);backdrop-filter:blur(20px);flex-direction:column;padding:16px 20px 24px;gap:4px;border-bottom:1px solid rgba(255,255,255,.05);border-radius:0 0 16px 16px}
.nav-links.active{display:flex}
.nav-links a{width:100%;text-align:center;padding:12px}
.nav-toggle{display:block}
.intro-grid{grid-template-columns:1fr}
.features-grid{grid-template-columns:repeat(2,1fr)}
.welfare-grid{grid-template-columns:1fr}
.hero-info{gap:20px}
.hero-btns{flex-direction:column;align-items:stretch}
.hero-btns .btn,.hero-download-wrap{width:100%}
.hero-btns .btn{justify-content:center}
.download-btns{flex-direction:column;align-items:stretch}
.download-btn{justify-content:center}
.section{padding:60px 16px}
.ss-item{width:320px}
}
@media (max-width:600px){
.features-grid{grid-template-columns:1fr}
.intro-stats{grid-template-columns:1fr}
.hero-title{font-size:36px}
.friend-links{flex-direction:column;gap:10px}
}

/* ============ DECORATIVE ============ */
.glow-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.15;pointer-events:none;z-index:0}
.orb-1{width:400px;height:400px;background:#ff6b35;top:20%;right:-10%}
.orb-2{width:300px;height:300px;background:#c90076;bottom:10%;left:-5%}
.orb-3{width:250px;height:250px;background:#ff9a56;top:50%;left:50%;transform:translate(-50%,-50%)}