:root{
  --bg-start:#0b0b18;
  --bg-end:#15152c;
  --card:#1a1a36;
  --border:#2e2e58;
  --text:#e9e9f4;
  --title:#f2f2ff;
  --accent:#7c5cff;
  --accent2:#9d7cff;
  --link:#9d7cff;
  --link-hover:#c3b0ff;
}
[data-theme="light"]{
  --bg-start:#f6f8ff;
  --bg-end:#eef2fb;
  --card:#ffffff;
  --border:rgba(40,62,100,.13);
  --text:#142033;
  --title:#0d0820;
  --accent:#6c4df6;
  --accent2:#1fb9d6;
  --link:#6c4df6;
  --link-hover:#1fb9d6;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:linear-gradient(160deg,var(--bg-start),var(--bg-end));
  color:var(--text);
  line-height:1.7;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:var(--link);text-decoration:none;transition:color .2s,text-decoration .2s;}
a:hover{color:var(--link-hover);text-decoration:underline;}
img{display:block;max-width:100%;}
h1,h2,h3{color:var(--title);line-height:1.35;}
h1{font-size:2.1rem;}
h2{font-size:1.7rem;margin-bottom:1.2rem;position:relative;padding-left:.9rem;}
h2::before{content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:6px;border-radius:4px;background:linear-gradient(180deg,var(--accent),var(--accent2));}
h3{font-size:1.12rem;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* progress bar */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  z-index:2000;transition:width .1s linear;
}

/* header */
header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(11,11,24,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
[data-theme="light"] header{background:rgba(246,248,255,.8);}
header.scrolled{
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 24px rgba(0,0,0,.28);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:18px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;color:var(--title);font-size:1.05rem;
  white-space:nowrap;
}
.logo-mark{
  width:34px;height:34px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:900;
}
.nav-links{display:flex;gap:16px;list-style:none;margin-left:auto;flex-wrap:wrap;}
.nav-links a{color:var(--text);font-size:.92rem;}
.nav-links a:hover{color:var(--link-hover);}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;
  background:var(--card);border:1px solid var(--border);
  border-radius:999px;padding:5px 12px;
}
.search-box input{
  background:transparent;border:none;outline:none;color:var(--text);
  font-size:.88rem;width:130px;
}
.search-box input::placeholder{color:var(--text);opacity:.6;}
.search-box button{
  background:none;border:none;color:var(--accent2);cursor:pointer;font-size:.95rem;
}
.btn{
  display:inline-block;border:none;cursor:pointer;
  padding:9px 18px;border-radius:999px;font-size:.9rem;font-weight:600;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s;
  text-decoration:none !important;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(124,92,255,.4);color:#fff;}
.btn-outline{
  background:transparent;border:1px solid var(--border);color:var(--text);
}
.btn-outline:hover{border-color:var(--accent2);color:var(--link-hover);transform:translateY(-2px);}
.theme-toggle{
  background:var(--card);border:1px solid var(--border);color:var(--text);
  border-radius:999px;padding:8px 12px;cursor:pointer;font-size:.85rem;
}
.theme-toggle:hover{border-color:var(--accent2);}
.hamburger{
  display:none;background:var(--card);border:1px solid var(--border);
  color:var(--text);border-radius:9px;padding:8px 11px;cursor:pointer;font-size:1.1rem;
}
.mobile-menu{
  display:none;flex-direction:column;gap:2px;
  padding:10px 20px 18px;border-top:1px solid var(--border);
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  color:var(--text);padding:10px 6px;border-radius:8px;font-size:.95rem;
}
.mobile-menu a:hover{background:var(--card);text-decoration:none;color:var(--link-hover);}

/* hero */
.hero{
  min-height:78vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:130px 20px 70px;position:relative;
}
.hero-logo{
  width:200px;height:200px;border-radius:38px;object-fit:cover;
  border:2px solid var(--border);
  box-shadow:0 0 0 6px rgba(124,92,255,.14),0 20px 50px rgba(0,0,0,.45);
  margin-bottom:26px;
}
.hero h1{max-width:900px;margin-bottom:14px;}
.hero .slogan{
  font-size:1.15rem;color:var(--accent2);font-weight:600;margin-bottom:18px;
}
.hero p.intro{
  max-width:760px;font-size:1rem;margin-bottom:30px;opacity:.95;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-bottom:44px;}
.hero-stats{
  display:flex;gap:44px;flex-wrap:wrap;justify-content:center;
}
.hero-stats .stat{text-align:center;}
.hero-stats .stat b{
  display:block;font-size:1.7rem;color:var(--title);font-weight:800;
}
.hero-stats .stat span{font-size:.85rem;opacity:.85;}

/* section */
section{padding:64px 0;}
.section-head{margin-bottom:8px;}
.section-sub{opacity:.88;font-size:.95rem;margin-bottom:28px;}

/* comic grid */
.grid-4{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.comic-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  overflow:hidden;position:relative;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.comic-card:hover{
  transform:translateY(-6px);
  border-color:var(--accent2);
  box-shadow:0 14px 32px rgba(124,92,255,.22);
}
.comic-cover{position:relative;}
.comic-cover img{width:100%;height:auto;aspect-ratio:220/310;object-fit:cover;}
.badge{
  position:absolute;top:10px;left:10px;
  font-size:.72rem;padding:3px 10px;border-radius:999px;
  background:rgba(11,11,24,.78);color:#fff;border:1px solid var(--border);
  backdrop-filter:blur(4px);
}
.badge.reads{left:auto;right:10px;background:rgba(124,92,255,.88);border-color:transparent;}
.comic-info{padding:14px 14px 16px;}
.comic-info h3{font-size:1rem;margin-bottom:8px;}
.comic-info p{font-size:.82rem;opacity:.9;margin-bottom:3px;}
.comic-info p b{color:var(--accent2);font-weight:600;}

/* featured */
.featured-list{display:flex;flex-direction:column;gap:22px;}
.featured-card{
  display:flex;gap:22px;background:var(--card);border:1px solid var(--border);
  border-radius:18px;padding:18px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.featured-card:hover{transform:translateY(-5px);border-color:var(--accent2);box-shadow:0 14px 32px rgba(124,92,255,.2);}
.featured-card img{
  width:300px;height:200px;object-fit:cover;border-radius:12px;flex:none;
}
.featured-text h3{margin-bottom:8px;}
.featured-text p{font-size:.9rem;margin-bottom:10px;}
.tags{display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  font-size:.75rem;padding:3px 11px;border-radius:999px;
  background:rgba(124,92,255,.16);color:var(--accent2);border:1px solid var(--border);
}

/* detail */
.detail-wrap{display:flex;gap:26px;align-items:stretch;}
.detail-side{
  flex:0 0 260px;background:linear-gradient(160deg,rgba(124,92,255,.2),rgba(31,185,214,.12));
  border:1px solid var(--border);border-radius:18px;padding:30px 24px;
  display:flex;flex-direction:column;justify-content:center;
}
.detail-side .num{
  font-size:4.6rem;font-weight:900;line-height:1;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.detail-side p{font-size:.95rem;}
.detail-body{flex:1;}
.detail-body p{margin-bottom:16px;font-size:.95rem;}
.detail-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;}
.detail-tags span{
  padding:8px 18px;border-radius:999px;font-size:.85rem;
  background:var(--card);border:1px solid var(--border);color:var(--accent2);
}

/* characters */
.char-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.char-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:18px;
  transition:transform .25s,border-color .25s;
}
.char-card:hover{transform:translateY(-5px);border-color:var(--accent2);}
.char-card img{
  width:180px;height:180px;object-fit:cover;border-radius:14px;flex:none;
}
.char-text h3{margin-bottom:6px;}
.char-role{
  display:inline-block;font-size:.75rem;padding:2px 10px;border-radius:999px;
  background:rgba(31,185,214,.18);color:var(--accent2);margin-bottom:8px;
}
.char-text p{font-size:.86rem;margin-bottom:6px;}
.char-text p b{color:var(--accent2);}

/* platform */
.platform-wrap{display:flex;gap:30px;}
.platform-text{flex:1.4;}
.platform-text p{margin-bottom:16px;font-size:.95rem;}
.platform-steps{flex:1;}
.step{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:16px 18px;margin-bottom:14px;display:flex;gap:14px;align-items:flex-start;
}
.step .sn{
  flex:none;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.9rem;
}
.step h3{font-size:.98rem;margin-bottom:4px;}
.step p{font-size:.84rem;}
.feature-squares{
  display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:34px;
}
.feature-squares div{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:16px 8px;text-align:center;font-size:.85rem;color:var(--accent2);
  transition:transform .2s,border-color .2s;
}
.feature-squares div:hover{transform:translateY(-4px);border-color:var(--accent2);}

/* devices */
.device-wrap{display:flex;gap:34px;align-items:center;}
.device-text{flex:1;}
.device-text p{margin-bottom:16px;font-size:.95rem;}
.device-imgs{flex:1;display:flex;gap:20px;justify-content:center;}
.device-imgs img{border-radius:16px;border:1px solid var(--border);}

/* notices */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.notice-card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;
  transition:transform .25s,border-color .25s;
}
.notice-card:hover{transform:translateY(-5px);border-color:var(--accent2);}
.notice-card .date{font-size:.78rem;color:var(--accent2);margin-bottom:8px;}
.notice-card h3{font-size:1rem;margin-bottom:8px;}
.notice-card p{font-size:.86rem;}

/* guide */
.guide-wrap{display:flex;gap:30px;}
.guide-text{flex:1.3;}
.guide-text p{margin-bottom:16px;font-size:.95rem;}
.guide-list{flex:1;display:flex;flex-direction:column;gap:12px;}
.guide-item{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:14px 18px;display:flex;gap:12px;align-items:center;font-size:.9rem;
}
.guide-item .check{
  flex:none;width:24px;height:24px;border-radius:50%;
  background:rgba(124,92,255,.2);color:var(--accent2);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;
}

/* app download */
.app-dl{text-align:center;}
.app-dl p{max-width:720px;margin:0 auto 28px;font-size:.98rem;}
.app-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* comments */
.comment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.comment-card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;
  transition:transform .25s,border-color .25s;
}
.comment-card:hover{transform:translateY(-4px);border-color:var(--accent2);}
.comment-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;}
.comment-head b{color:var(--title);font-size:.95rem;}
.comment-head span{font-size:.78rem;opacity:.85;}
.comment-card p{font-size:.88rem;}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  color:var(--title);font-size:.98rem;font-weight:600;
  padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-family:inherit;
}
.faq-q:hover{color:var(--link-hover);}
.faq-q .arrow{transition:transform .3s;color:var(--accent2);flex:none;}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  padding:0 20px;font-size:.9rem;
}
.faq-item.open .faq-a{max-height:400px;padding:0 20px 18px;}

/* sidebar layout */
.main-side-wrap{display:flex;gap:30px;align-items:flex-start;}
.main-col{flex:1;min-width:0;}
.side-col{flex:0 0 320px;position:sticky;top:90px;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:20px;margin-bottom:22px;
}
.side-card h3{font-size:1.05rem;margin-bottom:14px;}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:10px;}
.rank-list li{display:flex;gap:12px;align-items:center;font-size:.88rem;}
.rank-list .rk{
  flex:none;width:24px;height:24px;border-radius:7px;
  background:rgba(124,92,255,.18);color:var(--accent2);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;
}
.rank-list .rk.top{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;}
.rank-list a{color:var(--text);}
.rank-list a:hover{color:var(--link-hover);}
.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.stat-list div{
  background:rgba(124,92,255,.1);border:1px solid var(--border);border-radius:12px;
  padding:14px 10px;text-align:center;
}
.stat-list div b{display:block;color:var(--title);font-size:1.15rem;font-weight:800;}
.stat-list div span{font-size:.76rem;opacity:.88;}

/* footer */
footer{
  border-top:1px solid var(--border);padding:56px 0 26px;margin-top:40px;
  background:rgba(11,11,24,.5);
}
[data-theme="light"] footer{background:rgba(255,255,255,.6);}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:34px;}
.footer-col h3{font-size:1rem;margin-bottom:14px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.footer-col a{color:var(--text);font-size:.88rem;}
.footer-col a:hover{color:var(--link-hover);}
.friend-links{
  border-top:1px solid var(--border);padding-top:22px;margin-bottom:20px;
  display:flex;gap:16px;flex-wrap:wrap;font-size:.85rem;
}
.friend-links span{opacity:.88;}
.copyright{text-align:center;font-size:.82rem;opacity:.88;line-height:2;}
.copyright a{color:var(--link);}

/* back to top */
#back-top{
  position:fixed;right:24px;bottom:28px;z-index:1500;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--border);
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-size:1.15rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .3s,transform .3s;
  box-shadow:0 10px 24px rgba(124,92,255,.4);
}
#back-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}

/* responsive */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(3,1fr);}
  .feature-squares{grid-template-columns:repeat(3,1fr);}
  .main-side-wrap{flex-direction:column;}
  .side-col{position:static;width:100%;flex:none;}
  .platform-wrap,.guide-wrap,.device-wrap{flex-direction:column;}
}
@media(max-width:820px){
  .nav-links,.search-box,.nav-right .btn{display:none;}
  .hamburger{display:block;}
  .nav-right{margin-left:auto;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .char-grid,.comment-grid{grid-template-columns:1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .featured-card{flex-direction:column;}
  .featured-card img{width:100%;height:auto;aspect-ratio:300/200;}
  .detail-wrap{flex-direction:column;}
  .detail-side{flex:none;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  h1{font-size:1.6rem;}
  h2{font-size:1.4rem;}
  .hero-logo{width:150px;height:150px;}
  .device-imgs{flex-direction:column;align-items:center;}
}
@media(max-width:520px){
  .grid-4{grid-template-columns:repeat(2,1fr);gap:14px;}
  .feature-squares{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .char-card{flex-direction:column;}
  .char-card img{width:100%;height:auto;aspect-ratio:1/1;}
  .hero-stats{gap:26px;}
}