*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{background:#e5e5e5;color:#1a1a1a;font-family:'Segoe UI',Arial,sans-serif;line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
ul{list-style:none}
#top-bar{background:#262626;position:sticky;top:0;z-index:900;width:100%}
#top-bar-inner{max-width:1200px;margin:0 auto;padding:0 10px;height:70px;display:flex;align-items:center;justify-content:space-between}
#brand-logo{flex-shrink:0}
#brand-logo img{width:174px;height:55px;display:block;object-fit:contain}
#desktop-nav{display:none}
#burger{background:none;border:none;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;height:22px;width:28px;padding:0;flex-shrink:0}
#burger span{display:block;width:100%;height:3px;background:#fff;border-radius:2px}
#mob-menu{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#1a1a1a;z-index:1000;flex-direction:column;overflow-y:auto}
#mob-menu.open{display:flex}
#mob-top{display:flex;align-items:center;justify-content:space-between;padding:12px 10px;border-bottom:1px solid rgba(199,0,0,0.2);min-height:70px}
#mob-top img{width:174px;height:55px;flex-shrink:0;object-fit:contain}
#mob-close{background:none;border:none;color:#c70000;font-size:1.6rem;cursor:pointer;line-height:1;padding:4px 8px}
#mob-nav-list{list-style:none;padding:8px 0;flex:1}
#mob-nav-list li{border-bottom:1px solid rgba(255,255,255,0.07)}
#mob-nav-list li > a,#mob-nav-list li > span.nav-current{display:block;padding:12px 16px;color:#fff;font-size:1rem}
#mob-nav-list li > span.nav-current{color:#c70000;cursor:default}
.mob-row{display:flex;align-items:center;justify-content:space-between}
.mob-row > a{flex:1;padding:12px 16px;color:#fff;font-size:1rem;display:block}
.mob-row > a:hover{color:#c70000}
.mob-row > .sub-arrow{display:inline-flex;align-items:center;justify-content:center;width:44px;cursor:pointer;color:#c70000;font-size:.8rem;transition:transform .25s;flex-shrink:0;background:none;border:none;padding:0}
#mob-nav-list .sub-menu{display:none;background:rgba(0,0,0,0.2);list-style:none}
#mob-nav-list .sub-menu.open{display:block}
#mob-nav-list .sub-menu li a{display:block;padding:10px 28px;color:#ccc;font-size:.93rem}
#mob-nav-list .sub-menu li a:hover{color:#c70000}
#mob-auth{padding:16px 16px 24px;display:flex;flex-direction:column}
#mob-auth .btn-signin{margin-bottom:10px}
.btn-signin,.btn-signup{padding:9px 18px;border-radius:5px;font-size:.9rem;font-weight:600;cursor:pointer;text-align:center;display:block;width:100%}
.btn-signin{border:1.5px solid #c70000;color:#fff;background:transparent}
.btn-signin:hover{background:rgba(199,0,0,0.15)}
.btn-signup{background:#c70000;color:#fff;border:none}
.btn-signup:hover{background:#a50000}
@media(min-width:1081px){
#burger{display:none}
#desktop-nav{display:flex;align-items:center;flex:1;justify-content:flex-end}
#nav-list{list-style:none;display:flex;align-items:center}
#nav-list li{position:relative}
#nav-list li > a,#nav-list li > span.nav-current{display:inline-block;padding:8px 14px;color:#fff;font-size:.95rem;white-space:nowrap}
#nav-list li > a:hover{color:#c70000}
#nav-list li > span.nav-current{color:#c70000;cursor:default;font-weight:600}
#nav-list .sub-arrow{font-size:.7rem;cursor:pointer;padding:0 4px;color:#c70000;transition:transform .25s;display:inline-block;background:none;border:none;vertical-align:middle}
#nav-list li.has-sub:hover .sub-arrow{transform:rotate(180deg)}
#nav-list li.has-sub::before{content:'';position:absolute;bottom:-5px;left:0;width:100%;height:5px;background:transparent}
#nav-list .sub-menu{display:none;position:absolute;top:calc(100% + 5px);left:0;background:#1a1a1a;list-style:none;z-index:200;box-shadow:0 4px 16px rgba(0,0,0,0.4);border-radius:4px}
#nav-list .sub-menu li > a{display:block;padding:8px 16px;color:#ccc;white-space:nowrap;font-size:.9rem}
#nav-list .sub-menu li > a:hover{color:#c70000;background:rgba(199,0,0,0.08)}
#nav-list li.has-sub:hover .sub-menu{display:block}
#auth-btns{display:flex;align-items:center;margin-left:16px;gap:8px}
#auth-btns .btn-signin{width:auto;display:inline-block}
#auth-btns .btn-signup{width:auto;display:inline-block}
}
.btn-cta{display:inline-flex;align-items:center;gap:10px;background:#c70000;color:#fff;padding:12px 28px;border-radius:5px;font-weight:700;font-size:.95rem;text-align:center;transition:background .2s;cursor:pointer}
.btn-cta:hover{background:#a50000}
.btn-cta-alt{background:transparent;border:2px solid #c70000;color:#c70000}
.btn-cta-alt:hover{background:#c70000;color:#fff}
.btn-cta img{width:24px;height:24px;flex-shrink:0}
#app-top{background:linear-gradient(135deg,#262626 0%,#1a1a1a 60%,#2a1010 100%);padding:56px 10px 40px;position:relative;overflow:hidden}
#app-top::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-image:repeating-linear-gradient(60deg,rgba(199,0,0,0.04) 0px,rgba(199,0,0,0.04) 1px,transparent 1px,transparent 40px),repeating-linear-gradient(-60deg,rgba(199,0,0,0.03) 0px,rgba(199,0,0,0.03) 1px,transparent 1px,transparent 40px);pointer-events:none}
#app-top-inner{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:32px;position:relative;z-index:1}
#app-top-text h1{color:#fff;font-size:1.9rem;font-weight:800;margin-bottom:16px;line-height:1.2}
#app-top-text > p{color:#e0e0e0;font-size:1rem;margin-bottom:14px}
#app-dl-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
#app-top-img{display:flex;justify-content:center}
#app-top-img img{width:100%;max-width:250px;height:auto;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,0.5)}
@media(min-width:1081px){
#app-top-inner{flex-direction:row;align-items:center}
#app-top-text{flex:1}
#app-top-img{flex-shrink:0;width:300px}
#app-top-text h1{font-size:2.4rem}
}
#app-features{background:#f5f5f5;padding:52px 10px}
#app-features-bd{max-width:1200px;margin:0 auto}
#app-features-bd h2{font-size:1.5rem;margin-bottom:14px;color:#1a1a1a}
#app-features-bd > p{margin-bottom:14px;color:#333}
#feat-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:22px}
@media(min-width:480px){#feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:769px){#feat-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:969px){#feat-grid{grid-template-columns:repeat(4,1fr)}}
.feat-card{background:linear-gradient(135deg,rgba(255,255,255,0.95) 0%,rgba(245,245,245,0.9) 100%);border-radius:8px;padding:18px 14px;display:flex;flex-direction:column;gap:8px;box-shadow:0 2px 8px rgba(0,0,0,0.07);transition:transform .18s,box-shadow .18s}
.feat-card:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,0,0,0.13)}
.feat-icon{font-size:1.6rem}
.feat-title{font-size:.93rem;font-weight:700;color:#1a1a1a}
.feat-desc{font-size:.84rem;color:#444;line-height:1.55}
#app-install{background:#fff;padding:52px 10px}
#app-install-bd{max-width:1200px;margin:0 auto}
#app-install-bd h2{font-size:1.5rem;margin-bottom:14px;color:#1a1a1a}
#app-install-bd > p{margin-bottom:14px;color:#333}
#install-steps{display:grid;grid-template-columns:1fr;gap:14px;margin:22px 0 26px}
@media(min-width:480px){#install-steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:969px){#install-steps{grid-template-columns:repeat(4,1fr)}}
.install-step{background:linear-gradient(135deg,rgba(199,0,0,0.04) 0%,rgba(255,255,255,1) 100%);border-radius:8px;padding:18px 16px;display:flex;flex-direction:column;gap:8px;box-shadow:0 2px 8px rgba(0,0,0,0.07)}
.step-num{width:32px;height:32px;background:#c70000;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;flex-shrink:0}
.step-title{font-size:.95rem;font-weight:700;color:#c70000}
.step-desc{font-size:.86rem;color:#444;line-height:1.55}
#install-cta-bd{text-align:center}
#app-compare{background:#f5f5f5;padding:52px 10px}
#app-compare-bd{max-width:1200px;margin:0 auto}
#app-compare-bd h2{font-size:1.5rem;margin-bottom:14px;color:#1a1a1a}
#app-compare-bd > p{margin-bottom:14px;color:#333}
#compare-tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0}
#compare-tbl{width:100%;border-collapse:collapse;min-width:420px;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.07)}
#compare-tbl th{background:#262626;color:#fff;padding:11px 14px;text-align:left;font-size:.88rem}
#compare-tbl td{padding:10px 14px;font-size:.88rem;color:#333}
#compare-tbl tr:nth-child(even) td{background:#f9f9f9}
#compare-tbl tr:hover td{background:#fff0f0}
#compare-cta-bd{text-align:center;margin-top:26px}
#app-system{background:#fff;padding:52px 10px}
#app-system-bd{max-width:1200px;margin:0 auto}
#app-system-bd h2{font-size:1.5rem;margin-bottom:14px;color:#1a1a1a}
#app-system-bd > p{margin-bottom:14px;color:#333}
#sys-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:22px}
@media(min-width:480px){#sys-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:769px){#sys-grid{grid-template-columns:repeat(3,1fr)}}
.sys-card{background:linear-gradient(135deg,rgba(255,255,255,0.95) 0%,rgba(245,245,245,0.9) 100%);border-radius:8px;padding:18px 14px;display:flex;flex-direction:column;gap:6px;box-shadow:0 2px 8px rgba(0,0,0,0.07);transition:transform .18s,box-shadow .18s}
.sys-card:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,0,0,0.12)}
.sys-icon{font-size:1.5rem}
.sys-label{font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:#888;font-weight:600}
.sys-val{font-size:.93rem;color:#1a1a1a;font-weight:500}
#base{background:#262626;color:#ccc;padding:40px 10px 20px}
#base-inner{max-width:1200px;margin:0 auto;text-align:center}
#base-nav{margin-bottom:28px}
#base-nav-list{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 16px}
#base-nav-list li a{color:#bbb;font-size:.88rem}
#base-nav-list li a:hover{color:#c70000}
.logos-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:#888;margin-bottom:12px}
.logo-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px 20px;padding:6px 0;margin-bottom:28px}
.logo-row img{opacity:.7;transition:opacity .2s;height:auto}
.logo-row img:hover{opacity:1}
#base-bottom{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding-top:20px;flex-wrap:wrap}
#legal-text{text-align:left;flex:1}
#legal-text p{font-size:.77rem;color:#666;line-height:1.6;margin-bottom:8px}
#legal-text a{color:#c70000}
#legal-text a:hover{text-decoration:underline}
.age-note{color:#555;font-size:.75rem}
#trust-badges{display:flex;align-items:center;gap:12px;flex-shrink:0}
#trust-badges img{opacity:.7;transition:opacity .2s;object-fit:contain}
#trust-badges img:hover{opacity:1}
@media(max-width:768px){
#base-bottom{flex-direction:column;align-items:center}
#legal-text{text-align:center}
}
@media(max-width:480px){
#app-top-text h1{font-size:1.5rem}
.btn-cta{padding:10px 18px;font-size:.88rem}
#compare-tbl th,#compare-tbl td{font-size:.78rem;padding:8px 10px}
#app-top,#app-features,#app-install,#app-compare,#app-system{padding:32px 8px}
}
@media(max-width:320px){
#top-bar-inner{padding:0 6px}
#brand-logo img{width:140px;height:44px}
#mob-top img{width:140px;height:44px}
#mob-menu{width:100%}
#app-top-text h1{font-size:1.2rem}
.btn-cta{padding:9px 14px;font-size:.84rem}
#compare-tbl th,#compare-tbl td{font-size:.7rem;padding:6px 7px}
#app-top,#app-features,#app-install,#app-compare,#app-system{padding:24px 6px}
#base{padding:24px 6px 14px}
.feat-title,.step-title,.sys-val{font-size:.86rem}
.feat-desc,.step-desc{font-size:.78rem}
}