@charset "UTF-8";
:root{
  --bg:#0A0A0F;
  --bg2:#08080C;
  --panel:#14141A;
  --panel2:#1E1E26;
  --line:#2A2A33;
  --gold:#D4AF37;
  --gold-l:#F2D680;
  --gold-d:#B8860B;
  --cyan:#00E5FF;
  --cyan-d:#00B8D4;
  --text:#F5F5F7;
  --sub:#9A9AA5;
  --maxw:1200px;
  --cut:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  --cut2:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Microsoft YaHei","PingFang SC","Source Han Sans SC","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
img{display:block;max-width:100%}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
.mono{font-family:"Consolas","Monaco","Courier New",monospace}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative}

.ico,.ico-img{
  display:inline-block;font-style:normal;vertical-align:middle;
  position:relative;width:1em;height:1em;line-height:1;flex:none;
}
.ico::before,.ico-img::before{content:"";position:absolute;inset:0;background:var(--svg) no-repeat center/contain}
.i-menu{--svg:url("../icons/menu.svg")}
.i-close{--svg:url("../icons/close.svg")}
.i-gear{--svg:url("../icons/gear.svg")}
.i-bolt{--svg:url("../icons/bolt.svg")}
.i-folder{--svg:url("../icons/folder.svg")}
.i-shield{--svg:url("../icons/shield.svg")}
.i-chevron{--svg:url("../icons/chevron-down.svg")}
.i-download{--svg:url("../icons/download.svg")}
.i-android{--svg:url("../images/安卓.svg")}
.i-apple{--svg:url("../images/苹果.svg")}
.ico-cyan{color:var(--cyan)}

.bg-decor{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-decor .g{
  position:absolute;background:url("../icons/decor-gear.svg") no-repeat center/contain;opacity:.13;
}
.bg-decor .g1{width:520px;height:520px;left:-140px;top:380px;animation:spin 60s linear infinite}
.bg-decor .g2{width:460px;height:460px;right:-120px;top:60px;animation:spin 80s linear infinite reverse}
.bg-decor .g3{width:360px;height:360px;right:-80px;top:1200px;animation:spin 70s linear infinite}
.bg-decor .g4{width:300px;height:300px;left:-90px;top:1500px;animation:spin 50s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.scanlines{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(0,229,255,.025) 0 1px,transparent 1px 3px);}

.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s}
.nav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.6}
.nav-inner{display:flex;align-items:center;height:70px;gap:24px}
.nav.scrolled{background:rgba(8,8,12,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{width:36px;height:36px;filter:drop-shadow(0 0 6px rgba(212,175,55,.5))}
.brand-name{font-size:22px;font-weight:800;color:var(--gold);letter-spacing:1px}
.nav-menu{margin-left:auto;display:flex;align-items:center;gap:24px}
.nav-list{display:flex;gap:30px}
.nav-list a{color:var(--sub);font-size:15px;padding:6px 0;position:relative;transition:.2s}
.nav-list a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);transition:.25s}
.nav-list a:hover{color:var(--gold)}
.nav-list a:hover::after{width:100%}
.nav-toggle{display:none;width:40px;height:40px;background:none;border:1px solid var(--line);color:var(--gold);font-size:20px;border-radius:4px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;font-weight:700;font-size:15px;border:1.5px solid transparent;
  border-radius:4px;transition:.25s;position:relative;clip-path:var(--cut2);-webkit-tap-highlight-color:transparent}
.btn .ico,.btn .ico-img{font-size:1.25em}
.btn-gold{background:linear-gradient(135deg,var(--gold-l),var(--gold) 55%,var(--gold-d));color:#0A0A0F}
.btn-gold:hover{filter:drop-shadow(0 0 10px rgba(212,175,55,.55));transform:translateY(-2px)}
.btn-ghost{
  background:
    linear-gradient(rgba(0,229,255,.07),rgba(0,229,255,.07)) padding-box,
    linear-gradient(135deg,var(--cyan),var(--cyan-d)) border-box;
  color:var(--cyan);
}
.btn-ghost:hover{filter:drop-shadow(0 0 9px rgba(0,229,255,.45));transform:translateY(-2px)}
.btn-lg{padding:16px 28px;font-size:17px}
.btn small{display:block;font-size:11px;font-weight:400;opacity:.75;margin-top:2px}

.hero{position:relative;z-index:2;padding:130px 0 90px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 35%,transparent 0,rgba(10,10,15,.55) 60%,var(--bg) 100%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.05fr .85fr;gap:50px;align-items:center;position:relative}
.hero-panel{
  position:relative;padding:40px 44px;
  background:
    linear-gradient(rgba(20,20,26,.9),rgba(20,20,26,.9)) padding-box,
    linear-gradient(135deg,var(--gold-l),var(--gold-d)) border-box;
  border:1.5px solid transparent;clip-path:var(--cut);
}
.hero-panel::after{content:"SYS://TUHAO/READY";position:absolute;top:14px;right:20px;
  font-size:11px;color:var(--cyan);letter-spacing:1px}
.hero-title{font-size:66px;font-weight:900;line-height:1.05;
  background:linear-gradient(135deg,var(--gold-l),var(--gold) 50%,var(--gold-d));
  -webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:2px}
.hero-en{font-size:17px;color:var(--cyan);letter-spacing:8px;margin-top:6px}
.hero-slogan{font-size:25px;font-weight:500;margin-top:22px;color:var(--text)}
.hero-note{font-size:14px;color:var(--sub);margin-top:8px;display:flex;align-items:center;gap:6px}
.hero-note .ico{color:var(--cyan);font-size:16px}
.hero-btns{display:flex;gap:18px;margin-top:30px;flex-wrap:wrap}
.hero-meta{margin-top:26px;font-size:13px;color:var(--sub);display:flex;align-items:center;gap:10px;
  border-top:1px solid rgba(0,229,255,.18);padding-top:18px}
.led{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);animation:blink 1.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

.hero-phone{display:flex;justify-content:center}
.phone{position:relative;width:300px;height:560px;border-radius:30px;
  background:linear-gradient(160deg,var(--panel2),#101015);
  border:2px solid var(--gold);padding:14px 12px;
  box-shadow:0 0 0 1px rgba(0,229,255,.25),0 20px 60px rgba(0,0,0,.6),inset 0 0 20px rgba(0,229,255,.05);
  animation:float 5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.phone::before{content:"";position:absolute;top:24px;left:50%;transform:translateX(-50%);
  width:54px;height:5px;border-radius:3px;background:#2A2A33}
.phone-screen{width:100%;height:100%;border-radius:18px;overflow:hidden;background:#000;position:relative}
.phone-screen img{width:100%;height:100%;object-fit:cover}
.phone-screen::after{content:"土豪漫画 · 首页推荐";position:absolute;top:0;left:0;right:0;
  padding:10px 14px;font-size:13px;color:var(--gold-l);font-weight:700;
  background:linear-gradient(180deg,rgba(10,10,15,.7),transparent)}

.section{position:relative;z-index:2;padding:90px 0}
.sec-title{font-size:30px;font-weight:800;display:flex;align-items:center;gap:14px;margin-bottom:48px}
.sec-title .bar{width:5px;height:30px;background:linear-gradient(var(--gold-l),var(--gold-d));display:inline-block}
.sec-title em{font-size:14px;color:var(--cyan);letter-spacing:3px;font-style:normal}

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{
  position:relative;padding:34px 24px;text-align:center;
  background:linear-gradient(180deg,rgba(20,20,26,.9),rgba(16,16,22,.9));
  border:1px solid var(--line);clip-path:var(--cut2);transition:.3s;
}
.feature-card::before{content:"";position:absolute;top:0;left:0;width:14px;height:14px;
  border-top:1.5px solid var(--gold);border-left:1.5px solid var(--gold);opacity:.6}
.feature-card::after{content:"";position:absolute;bottom:0;right:0;width:14px;height:14px;
  border-bottom:1.5px solid var(--gold);border-right:1.5px solid var(--gold);opacity:.6}
.feature-card:hover{transform:translateY(-6px);border-color:var(--gold);
  box-shadow:0 12px 30px rgba(0,0,0,.5),0 0 0 1px rgba(212,175,55,.3)}
.feature-card:hover .feature-ico{filter:drop-shadow(0 0 8px var(--cyan));transform:rotate(40deg)}
.feature-ico{font-size:42px;color:var(--gold);display:inline-block;margin-bottom:18px;transition:.4s}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:13px;color:var(--sub)}

.preview-track{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.preview-track::-webkit-scrollbar{height:6px}
.preview-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.preview-card{flex:0 0 auto;scroll-snap-align:start;position:relative;background:#000;border:1.5px solid var(--gold);padding:8px;clip-path:var(--cut2)}
.preview-card img{width:250px;height:450px;object-fit:contain;border-radius:2px}
.preview-card figcaption{font-size:13px;color:var(--gold-l);text-align:center;padding:10px 0 4px;font-weight:600}

.download{background:var(--bg2);overflow:hidden}
.download .g-deco{position:absolute;width:380px;height:380px;opacity:.16;pointer-events:none}
.download .g-deco.l{left:-110px;top:60px;background:url("../icons/decor-gear.svg") no-repeat center/contain;animation:spin 60s linear infinite}
.download .g-deco.r{right:-110px;bottom:-60px;background:url("../icons/decor-gear.svg") no-repeat center/contain;animation:spin 80s linear infinite reverse}
.dl-panel{
  position:relative;max-width:880px;margin:0 auto;padding:48px 50px;text-align:center;
  background:
    linear-gradient(rgba(20,20,26,.92),rgba(20,20,26,.92)) padding-box,
    linear-gradient(135deg,var(--gold-l),var(--gold-d)) border-box;
  border:1.5px solid transparent;clip-path:var(--cut);
}
.dl-title{font-size:34px;font-weight:800;color:var(--gold);
  background:linear-gradient(135deg,var(--gold-l),var(--gold-d));-webkit-background-clip:text;background-clip:text;color:transparent}
.dl-en{font-size:13px;color:var(--cyan);letter-spacing:5px;margin-top:6px}
.dl-body{display:flex;align-items:center;justify-content:center;gap:48px;margin-top:34px;flex-wrap:wrap}
.dl-btns{display:flex;flex-direction:column;gap:14px}
.dl-btns .btn{min-width:260px;justify-content:flex-start;padding-left:24px}
.dl-status{margin-top:26px;font-size:13px;color:var(--sub);display:flex;align-items:center;gap:10px;justify-content:center}

.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:rgba(20,20,26,.9);border:1px solid var(--line);clip-path:var(--cut2);overflow:hidden;transition:.25s}
.faq-item.open{border-color:var(--gold)}
.faq-q{width:100%;background:none;border:none;color:var(--text);font-size:16px;font-weight:600;
  padding:18px 24px;display:flex;align-items:center;gap:12px;text-align:left;transition:.2s}
.faq-q:hover{color:var(--gold)}
.faq-q .ico{margin-left:auto;transition:.3s;color:var(--gold)}
.faq-item.open .faq-q .ico{transform:rotate(180deg);filter:drop-shadow(0 0 5px var(--cyan))}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:200px}
.faq-a p{padding:0 24px 20px;color:var(--sub);font-size:14px}

.footer{position:relative;z-index:2;border-top:1px solid var(--line);background:var(--bg2);padding-top:40px}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:30px}
.footer-brand{display:flex;flex-direction:column;gap:8px}
.footer-brand .b1{display:flex;align-items:center;gap:10px}
.footer-brand img{width:30px;height:30px}
.footer-brand .b1 span{font-size:17px;font-weight:800;color:var(--gold)}
.footer-brand p{font-size:12px;color:var(--sub)}
.footer-links{display:flex;gap:22px;align-items:flex-start}
.footer-links a{font-size:13px;color:var(--sub);transition:.2s}
.footer-links a:hover{color:var(--gold)}
.footer-meta{font-size:12px;color:var(--sub);text-align:right;line-height:2}
.footer-bar{border-top:1px solid var(--line);padding:10px 0;display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:11px;color:var(--sub);letter-spacing:1px}

@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-phone{order:-1}
  .phone{width:260px;height:480px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{position:fixed;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,8,12,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    padding:14px 24px 24px;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:.35s;pointer-events:none}
  .nav-menu.open{transform:translateY(0);pointer-events:auto}
  .nav-list{flex-direction:column;gap:0}
  .nav-list li{border-bottom:1px solid var(--line)}
  .nav-list a{display:block;padding:14px 4px;font-size:16px}
  .nav-list a::after{display:none}
  .nav-menu .btn{margin-top:16px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:54px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .hero{padding:110px 0 60px}
  .hero-panel{padding:30px 24px}
  .hero-title{font-size:42px}
  .hero-slogan{font-size:19px}
  .hero-btns{gap:12px}
  .hero-btns .btn{flex:1 1 100%}
  .feature-grid{grid-template-columns:1fr}
  .dl-panel{padding:36px 22px}
  .dl-body{gap:26px}
  .dl-btns .btn{min-width:0;width:100%}
  .sec-title{font-size:24px;margin-bottom:32px}
  .footer-inner{flex-direction:column}
  .footer-meta{text-align:left}
  .footer-links{flex-wrap:wrap;gap:16px}
}