:root{--gold:#FF9933;--gold2:#E67E22;--bg:#06060e;--bg2:#0c0c1a;--bg3:#121228;--text:#e4e4ef;--dim:#6b6b8d;--card:rgba(255,255,255,.04);--border:rgba(255,255,255,.06);--green:#00d474;--red:#F42A41}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;touch-action:manipulation}

/* 语言控制样式 */
html[lang="en"] .ml-bn, html:not([lang="bn"]) .ml-bn{display:none!important}
html[lang="bn"] .ml-en{display:none!important}
.ml-en,.ml-bn{display:inline}

body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased;min-height:100vh;min-height:100dvh;max-width:100vw}
img{max-width:100%;height:auto;display:block;pointer-events:none}
a{color:inherit;text-decoration:none}
.container{max-width:420px;margin:0 auto;padding:0 16px}

/* Layout Components */
.bd-divider{height:2px;margin:4px 0;background:linear-gradient(90deg,transparent,rgba(255,153,51,.3) 20%,rgba(230,126,34,.2) 50%,rgba(255,153,51,.3) 80%,transparent);position:relative}
.bd-divider::after{content:'◆';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--bg);padding:0 6px;color:rgba(255,153,51,.4);font-size:8px}
.tricolor{height:4px;background:linear-gradient(90deg,#FF9933 0% 33%,#FFFFFF 33% 66%,#138808 66% 100%);opacity:.8}

.nav{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:rgba(6,6,14,.9);backdrop-filter:blur(20px);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border)}
.nav-logo{display:flex;align-items:center;gap:8px}
.nav-logo img{width:32px;height:32px;border-radius:8px;object-fit:cover}
.nav-logo span{font-weight:800;font-size:16px;color:#fff;letter-spacing:-.5px}
.nav-logo span b{color:var(--gold)}
.nav-right{display:flex;align-items:center;gap:8px}
.lang-tog{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#fff;font-weight:700;font-size:11px;padding:6px 10px;border-radius:8px;cursor:pointer;line-height:1}
.lang-tog:active{transform:scale(.95);opacity:.8}
.nav-dl{background:var(--gold);color:#fff;font-weight:700;font-size:12px;padding:6px 14px;border-radius:8px;border:none;cursor:pointer}

.hero{position:relative;padding:36px 20px 30px;text-align:center;background:var(--bg)}
.hero-bg{position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(6,6,14,.4) 40%,var(--bg) 100%),linear-gradient(135deg,rgba(255,153,51,.15) 0%,rgba(230,126,34,.06) 50%,transparent 80%),radial-gradient(ellipse at 50% 0%,rgba(255,153,51,.2) 0%,transparent 60%);z-index:1}
.hero-inner{position:relative;z-index:2}
.hero-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(0,212,116,.1);border:1px solid rgba(0,212,116,.25);padding:5px 14px;border-radius:20px;font-size:11px;font-weight:600;color:var(--green);margin-bottom:16px}
.hero-chip .dot{width:6px;height:6px;background:var(--green);border-radius:50%;animation:blink 1.5s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:26px;font-weight:900;color:#fff;line-height:1.4;margin-bottom:10px}
.hero h1 .gold{color:var(--gold)}
.hero-sub{font-size:14px;color:var(--dim);margin-bottom:20px;line-height:1.6}
.hero-cta{display:flex;gap:10px;justify-content:center;align-items:center;flex-wrap:wrap}
.btn-dl{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#fff;font-weight:800;font-size:15px;padding:14px 32px;border-radius:14px;border:none;cursor:pointer;box-shadow:0 4px 20px rgba(255,153,51,.3);transition:all .15s}
.btn-dl:active{transform:scale(.96)}
.btn-dl svg{width:20px;height:20px;fill:currentColor}
.hero-info{display:flex;justify-content:center;gap:20px;margin-top:18px}
.hero-info-item{text-align:center}
.hero-info-item .val{font-size:18px;font-weight:800;color:#fff}
.hero-info-item .lbl{font-size:10px;color:var(--dim);margin-top:1px;text-transform:uppercase;letter-spacing:.5px}

/* Category Scroll Sections */
.cat-section{padding:28px 0 8px}
.cat-header{display:flex;justify-content:space-between;align-items:center;padding:0 16px;margin-bottom:14px}
.cat-header h2{font-size:17px;font-weight:800;color:#fff;display:flex;align-items:center;gap:8px}
.cat-header .see-all{font-size:12px;color:var(--gold);font-weight:600;cursor:pointer;padding:4px 10px;border-radius:6px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);transition:all .15s}
.cat-header .see-all:active{opacity:.6;transform:scale(.92)}
.cat-desc{padding:0 16px;font-size:12px;color:var(--dim);margin:-8px 0 10px}
.cat-scroll{overflow:hidden;padding:0 0 12px 16px}
.scroll-track{display:flex;gap:12px;will-change:transform}

.content-card{flex-shrink:0;width:140px;cursor:pointer;transition:transform .2s}
.content-card:active{transform:scale(.95)}
.content-card .thumb{width:140px;height:200px;border-radius:12px;overflow:hidden;position:relative;background:var(--bg3)}
.content-card .thumb img{width:100%;height:100%;object-fit:cover}
.content-card .thumb .badge{position:absolute;top:8px;left:8px;background:var(--red);color:#fff;font-size:9px;font-weight:700;padding:2px 7px;border-radius:4px;text-transform:uppercase}
.content-card .thumb .badge2{position:absolute;top:8px;right:8px;background:var(--green);color:#000;font-size:9px;font-weight:700;padding:2px 7px;border-radius:4px;text-transform:uppercase}
.content-card .thumb .badge.hd{background:var(--gold);color:#fff}
.content-card .title{font-size:12px;font-weight:600;color:#fff;margin-top:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:start}
.content-card .meta{font-size:10px;color:var(--dim);margin-top:2px;text-align:start}

.wide-card{flex-shrink:0;width:260px;cursor:pointer}
.wide-card .thumb{width:260px;height:146px;border-radius:14px;overflow:hidden;position:relative;background:var(--bg3)}
.wide-card .thumb img{width:100%;height:100%;object-fit:cover}
.wide-card .thumb .overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.7) 0%,transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:12px}
.wide-card .thumb .overlay .tag{font-size:9px;font-weight:700;color:var(--red);text-transform:uppercase;margin-bottom:4px;display:flex;align-items:center;gap:4px}
.wide-card .thumb .overlay .tag .livedot{width:6px;height:6px;background:var(--red);border-radius:50%;animation:blink 1s infinite}
.wide-card .thumb .overlay h3{font-size:14px;font-weight:700;color:#fff;line-height:1.3;text-align:start}
.wide-card .thumb .overlay p{font-size:10px;color:rgba(255,255,255,.6);margin-top:2px;text-align:start}

/* Feature & Comparison Cards */
.highlights{padding:28px 16px}
.hl-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hl-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px 14px;text-align:center;transition:all .2s}
.hl-card .icon{font-size:28px;margin-bottom:8px}
.hl-card h3{font-size:13px;font-weight:700;color:#fff;margin-bottom:3px}
.hl-card p{font-size:11px;color:var(--dim);line-height:1.4}

.compare{padding:28px 16px}
.compare h2{font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;text-align:center}
.compare-table{width:100%;border-collapse:collapse;font-size:12px}
.compare-table th{background:var(--bg3);padding:10px;text-align:start;font-weight:600;color:var(--dim);font-size:11px;text-transform:uppercase}
.compare-table th:nth-child(2),.compare-table th:nth-child(3){text-align:center}
.compare-table th.dflive-col{color:var(--gold)}
.compare-table td{padding:10px;border-bottom:1px solid var(--border)}
.compare-table td:nth-child(2),.compare-table td:nth-child(3){text-align:center;font-weight:600}
.check{color:var(--green)}
.cross{color:var(--red)}

.install-section{padding:28px 16px}
.install-section h2{font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.step-cards{display:grid;gap:12px}
.step-card{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;color:inherit}
.step-card .snum{width:32px;height:32px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#fff;font-weight:900;font-size:14px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.step-card .stxt h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:3px}
.step-card .stxt p{font-size:12px;color:var(--dim);line-height:1.5}

.cta-banner{margin:28px 16px;background:linear-gradient(135deg,var(--bg3),rgba(255,153,51,.08));border:1px solid rgba(255,153,51,.15);border-radius:18px;padding:28px 20px;text-align:center}
.cta-banner h2{font-size:20px;font-weight:900;color:#fff;margin-bottom:6px}
.cta-banner p{font-size:13px;color:var(--dim);margin-bottom:18px}
.cta-banner .stats{display:flex;justify-content:center;gap:20px;margin-bottom:18px}
.cta-banner .stat{text-align:center}
.cta-banner .stat .v{font-size:20px;font-weight:900;color:var(--green)}
.cta-banner .stat .l{font-size:10px;color:var(--dim);text-transform:uppercase}

.app-info{padding:0 16px 20px}
.app-info table{width:100%;border-collapse:collapse;font-size:12px;background:var(--card);border-radius:12px;overflow:hidden}
.app-info td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:start}
.app-info tr:last-child td{border-bottom:none}
.app-info td:first-child{color:var(--dim);font-weight:500;width:40%}
.app-info td:last-child{color:#fff;font-weight:600}

.faq-section{padding:28px 16px}
.faq-section h2{font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:8px;overflow:hidden;background:var(--card)}
.faq-q{font-size:13px;font-weight:600;color:#fff;padding:14px 16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:'+';font-size:18px;color:var(--dim);transition:transform .2s,color .2s}
.faq-item.open .faq-q::after{transform:rotate(45deg);color:var(--green)}
.faq-a{font-size:12px;color:var(--dim);max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;padding:0 16px;line-height:1.6}
.faq-item.open .faq-a{max-height:300px;padding:0 16px 14px}

.footer{text-align:center;padding:24px 16px calc(90px + env(safe-area-inset-bottom,0px));font-size:11px;color:rgba(255,255,255,.15);border-top:1px solid var(--border)}
.float-cta{position:fixed;bottom:0;left:0;right:0;padding:10px 16px calc(12px + env(safe-area-inset-bottom,0px));background:rgba(6,6,14,.95);backdrop-filter:blur(16px);z-index:90;border-top:1px solid rgba(255,153,51,.12)}
.float-cta button{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#fff;font-weight:800;font-size:15px;padding:14px;border-radius:12px;border:none;cursor:pointer}
.float-cta button svg{width:18px;height:18px;fill:currentColor}
.float-cta .sub{text-align:center;font-size:10px;color:var(--dim);margin-top:4px}

.priv-section{padding:28px 16px;position:relative}
.priv-card{background:rgba(167,139,250,.06);border:1px solid rgba(167,139,250,.15);border-radius:18px;padding:24px 20px;text-align:center;position:relative}
.priv-card .lock-icon{font-size:40px;margin-bottom:10px}
.priv-card h3{font-size:17px;font-weight:800;color:#c4b5fd;margin-bottom:6px}
.priv-card p{font-size:12px;color:#8b8bb0;line-height:1.5;margin-bottom:16px}
.priv-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff;font-weight:700;font-size:14px;padding:12px 28px;border-radius:12px;border:none;cursor:pointer;box-shadow:0 4px 16px rgba(124,58,237,.3)}

/* Modals & Overlays */
.wv-overlay{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.92);backdrop-filter:blur(8px);flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}
.wv-overlay.show{display:flex}
.wv-overlay h2{font-size:20px;font-weight:800;color:#fff;margin-bottom:8px}
.wv-overlay p{font-size:14px;color:#94a3b8;margin-bottom:20px;line-height:1.6}
.wv-overlay .wv-methods{width:100%;max-width:340px}
.wv-method{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px;margin-bottom:10px;cursor:pointer;transition:all .15s}
.wv-method:active{transform:scale(.97);opacity:.8}
.wv-method .wm-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:2px}
.wv-method .wm-desc{font-size:11px;color:#64748b}
.wv-arrow{position:fixed;top:12px;right:28px;z-index:10000;font-size:32px;animation:wvBounce 1s infinite}
@keyframes wvBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.wv-close{margin-top:14px;background:none;border:1px solid rgba(255,255,255,.15);color:#64748b;font-size:12px;padding:8px 20px;border-radius:8px;cursor:pointer}
.wv-copied{color:#4ade80;font-size:12px;font-weight:600;margin-top:6px;display:none}

.share-section{padding:28px 16px}
.share-card{background:linear-gradient(135deg,rgba(251,191,36,.06),rgba(251,146,60,.04));border:1px solid rgba(251,191,36,.15);border-radius:18px;padding:24px 20px;text-align:center}
.share-card h2{font-size:18px;font-weight:800;color:#fbbf24;margin-bottom:6px}
.share-card>p{font-size:13px;color:#94a3b8;margin-bottom:16px;line-height:1.5}
.share-progress{background:rgba(0,0,0,.3);border-radius:10px;padding:12px;margin-bottom:16px}
.share-progress .sp-label{font-size:11px;color:#94a3b8;margin-bottom:6px}
.sp-bar{height:8px;background:rgba(255,255,255,.08);border-radius:4px;overflow:hidden}
.sp-bar-fill{height:100%;background:linear-gradient(90deg,#fbbf24,#f59e0b);border-radius:4px;transition:width .5s;width:0}
.share-progress .sp-text{font-size:12px;color:#fbbf24;font-weight:700;margin-top:6px}
.share-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.share-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:11px;border-radius:10px;border:none;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}
.share-btn:active{transform:scale(.95)}
.share-btn.wa{background:#25d366;color:#fff}
.share-btn.fb{background:#1877f2;color:#fff}
.share-btn.tg{background:#0088cc;color:#fff}
.share-btn.cp{background:rgba(255,255,255,.08);color:#e2e8f0;border:1px solid rgba(255,255,255,.1)}
.share-link{background:rgba(0,0,0,.3);border-radius:8px;padding:10px;font-size:11px;color:#64748b;word-break:break-all;margin-top:10px}
.share-link span{color:#fbbf24}