:root{
  --bg-start:#0b0b18;
  --bg-end:#15152c;
  --card:#1a1a36;
  --card-hover:#20204a;
  --border:#2e2e58;
  --border-bright:#7c5cff;
  --text:#e9e9f4;
  --title:#f2f2ff;
  --accent:#7c5cff;
  --accent-2:#9d7cff;
  --link:#b6a3ff;
  --link-hover:#d8ccff;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --radius:16px;
}
html[data-theme="light"]{
  --bg-start:#f6f8ff;
  --bg-end:#eef2fb;
  --card:#ffffff;
  --card-hover:#f4f6ff;
  --border:rgba(40,62,100,.13);
  --border-bright:#6c4df6;
  --text:#142033;
  --title:#0d0820;
  --accent:#6c4df6;
  --accent-2:#1fb9d6;
  --link:#5a3ce0;
  --link-hover:#2b1aa8;
  --shadow:0 10px 26px rgba(40,62,100,.14);
}
*{box-sizing:border-box;margin:0;padding:0;}
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));
  background-attachment:fixed;
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
}
a{color:var(--link);text-decoration:none;transition:color .2s;}
a:hover{color:var(--link-hover);text-decoration:underline;}
h1,h2,h3,h4{color:var(--title);line-height:1.3;font-weight:700;}
img{display:block;max-width:100%;border-radius:12px;background:linear-gradient(135deg,#2e2e58,#1a1a36);}
html[data-theme="light"] img{background:linear-gradient(135deg,#e6ebfa,#f6f8ff);}

/* progress bar */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  z-index:1200;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:background .3s,border-color .3s,box-shadow .3s;
}
html[data-theme="light"] header{background:rgba(246,248,255,.78);}
header.scrolled{
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow);
}
.nav-wrap{
  max-width:1280px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:18px;
}
.logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  font-size:17px;font-weight:800;color:var(--title);
}
.logo:hover{text-decoration:none;color:var(--title);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:900;flex-shrink:0;
}
nav.main-nav{
  display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;
  flex-wrap:nowrap;overflow:hidden;
}
nav.main-nav a{
  color:var(--text);font-size:14px;padding:8px 11px;border-radius:9px;
  white-space:nowrap;transition:background .2s,color .2s;
}
nav.main-nav a:hover{
  background:rgba(124,92,255,.16);color:var(--link-hover);text-decoration:none;
}
html[data-theme="light"] nav.main-nav a:hover{background:rgba(108,77,246,.12);}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;background:var(--card);
  border:1px solid var(--border);border-radius:10px;padding:6px 10px;
  transition:border-color .2s;
}
.search-box:focus-within{border-color:var(--border-bright);}
.search-box input{
  background:transparent;border:none;outline:none;color:var(--text);
  font-size:13px;width:120px;font-family:inherit;
}
.search-box input::placeholder{color:#8f8fb8;}
html[data-theme="light"] .search-box input::placeholder{color:#6b7a99;}
.search-box button{
  background:transparent;border:none;color:var(--accent-2);cursor:pointer;
  font-size:14px;padding:0 2px;font-family:inherit;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:10px;padding:9px 18px;font-size:14px;font-weight:600;
  cursor:pointer;border:1px solid transparent;font-family:inherit;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;box-shadow:0 6px 18px rgba(124,92,255,.35);
}
.btn-primary:hover{color:#fff;box-shadow:0 10px 24px rgba(124,92,255,.5);}
.btn-ghost{
  background:transparent;border:1px solid var(--border);color:var(--text);
}
.btn-ghost:hover{border-color:var(--border-bright);color:var(--link-hover);}
.theme-toggle{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  background:var(--card);color:var(--text);cursor:pointer;font-size:16px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:border-color .2s,transform .2s;font-family:inherit;
}
.theme-toggle:hover{border-color:var(--border-bright);transform:translateY(-2px);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--border);background:var(--card);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  flex-shrink:0;
}
.hamburger span{
  display:block;width:18px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .25s,opacity .25s;
}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* mobile menu */
.mobile-menu{
  display:none;flex-direction:column;gap:4px;
  padding:10px 20px 20px;border-top:1px solid var(--border);
  background:rgba(11,11,24,.96);
  max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s;
}
html[data-theme="light"] .mobile-menu{background:rgba(246,248,255,.98);}
.mobile-menu.open{display:flex;max-height:520px;}
.mobile-menu a{
  color:var(--text);padding:11px 12px;border-radius:10px;font-size:15px;
}
.mobile-menu a:hover{background:rgba(124,92,255,.16);text-decoration:none;color:var(--link-hover);}
.mobile-menu .search-box{width:100%;}
.mobile-menu .search-box input{width:100%;}

/* layout */
.container{max-width:1280px;margin:0 auto;padding:0 20px;}
main{padding-top:70px;}
section{padding:56px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{
  font-size:26px;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;
  border-radius:4px;background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.section-head p{font-size:14px;color:var(--text);opacity:.82;}

/* hero */
.hero{
  min-height:78vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  padding:70px 20px 50px;position:relative;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 50% 18%,rgba(124,92,255,.22),transparent 60%);
}
html[data-theme="light"] .hero::before{
  background:radial-gradient(circle at 50% 18%,rgba(108,77,246,.14),transparent 60%);
}
.hero-logo{
  width:200px;height:200px;border-radius:36px;object-fit:cover;
  border:2px solid var(--border-bright);
  box-shadow:0 18px 50px rgba(124,92,255,.4);
  margin-bottom:26px;position:relative;z-index:1;
}
.hero h1{
  font-size:clamp(26px,4.4vw,46px);max-width:960px;margin-bottom:16px;
  position:relative;z-index:1;
}
.hero .slogan{
  font-size:clamp(15px,1.8vw,19px);color:var(--accent-2);
  font-weight:600;margin-bottom:18px;position:relative;z-index:1;
}
.hero .intro{
  max-width:760px;font-size:15px;opacity:.9;margin-bottom:30px;
  position:relative;z-index:1;
}
.hero-cta{
  display:flex;gap:14px;flex-wrap:wrap;justify-content:center;
  margin-bottom:46px;position:relative;z-index:1;
}
.hero-stats{
  display:flex;gap:20px;flex-wrap:wrap;justify-content:center;
  position:relative;z-index:1;
}
.stat{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:16px 30px;min-width:150px;
}
.stat b{
  display:block;font-size:26px;color:var(--accent-2);font-weight:800;
}
.stat span{font-size:13px;opacity:.88;}

/* grid cards */
.grid{display:grid;gap:20px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.comic-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;position:relative;transition:transform .25s,border-color .25s,box-shadow .25s;
  display:flex;flex-direction:column;
}
.comic-card:hover{
  transform:translateY(-8px);border-color:var(--border-bright);
  box-shadow:0 16px 36px rgba(124,92,255,.28);
}
.comic-card .cover{position:relative;}
.comic-card .cover img{width:100%;height:auto;aspect-ratio:220/310;object-fit:cover;border-radius:0;}
.badge{
  position:absolute;top:10px;font-size:11px;padding:3px 9px;border-radius:20px;
  font-weight:700;color:#fff;letter-spacing:.5px;
}
.badge-status{left:10px;background:rgba(31,185,214,.92);}
.badge-status.done{background:rgba(124,92,255,.92);}
.badge-read{right:10px;background:rgba(11,11,24,.78);color:#e9e9f4;border:1px solid rgba(255,255,255,.18);}
html[data-theme="light"] .badge-read{background:rgba(13,8,32,.72);}
.comic-body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:5px;flex:1;}
.comic-body h3{font-size:16px;margin-bottom:2px;}
.comic-meta{font-size:12.5px;opacity:.86;display:flex;justify-content:space-between;gap:6px;}
.comic-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px;}
.tag{
  font-size:11.5px;padding:2px 9px;border-radius:20px;
  background:rgba(124,92,255,.16);color:var(--link);border:1px solid rgba(124,92,255,.28);
}
html[data-theme="light"] .tag{background:rgba(108,77,246,.1);}

/* featured */
.featured-list{display:flex;flex-direction:column;gap:22px;}
.featured-card{
  display:grid;grid-template-columns:300px 1fr;gap:22px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.featured-card:hover{
  border-color:var(--border-bright);transform:translateY(-4px);
  box-shadow:var(--shadow);
}
.featured-card img{
  width:300px;height:200px;object-fit:cover;border-radius:12px;
}
.featured-info h3{font-size:20px;margin-bottom:8px;}
.featured-info p{font-size:14px;opacity:.9;margin-bottom:10px;}
.featured-meta{font-size:13px;opacity:.85;margin-bottom:10px;}

/* detail */
.detail-layout{
  display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:start;
}
.detail-side{
  background:linear-gradient(160deg,#1a1a36,#101024);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 24px;position:sticky;top:90px;
}
html[data-theme="light"] .detail-side{
  background:linear-gradient(160deg,#ffffff,#eef2fb);
}
.detail-side .num{
  font-size:74px;font-weight:900;line-height:1;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.detail-side .sum{
  margin-top:16px;font-size:15px;font-weight:600;color:var(--title);
}
.detail-side img{margin-top:20px;width:100%;height:auto;aspect-ratio:220/310;object-fit:cover;}
.detail-main h2{font-size:24px;margin-bottom:14px;}
.detail-main h3{font-size:18px;margin:24px 0 10px;color:var(--accent-2);}
.detail-main p{font-size:15px;margin-bottom:14px;opacity:.94;}
.detail-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.detail-tags span{
  padding:8px 18px;border-radius:24px;font-size:13.5px;font-weight:600;
  background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.35);color:var(--link);
}
html[data-theme="light"] .detail-tags span{background:rgba(108,77,246,.1);}

/* characters */
.char-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;transition:border-color .25s,transform .25s;
}
.char-card:hover{border-color:var(--border-bright);transform:translateY(-4px);}
.char-card img{width:180px;height:180px;object-fit:cover;border-radius:14px;flex-shrink:0;}
.char-info h3{font-size:18px;margin-bottom:6px;}
.char-role{
  display:inline-block;font-size:12px;padding:2px 10px;border-radius:20px;
  background:rgba(31,185,214,.16);color:#4fd6ef;border:1px solid rgba(31,185,214,.35);
  margin-bottom:8px;
}
html[data-theme="light"] .char-role{color:#0d7f96;}
.char-info p{font-size:14px;opacity:.92;margin-bottom:6px;}

/* platform */
.platform-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:start;}
.platform-text p{font-size:15px;margin-bottom:16px;opacity:.94;}
.step-list{display:flex;flex-direction:column;gap:16px;}
.step{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:16px;transition:border-color .25s;
}
.step:hover{border-color:var(--border-bright);}
.step .step-num{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.step h4{font-size:15.5px;margin-bottom:4px;}
.step p{font-size:13.5px;opacity:.88;}
.feature-squares{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px;
}
.square{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:18px;text-align:center;transition:border-color .25s,transform .25s;
}
.square:hover{border-color:var(--border-bright);transform:translateY(-4px);}
.square b{display:block;font-size:15px;color:var(--accent-2);margin-bottom:4px;}
.square span{font-size:12.5px;opacity:.86;}

/* multi-device */
.device-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;}
.device-text p{font-size:15px;margin-bottom:16px;opacity:.94;}
.device-imgs{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;}
.device-imgs img{width:190px;height:auto;aspect-ratio:400/600;object-fit:cover;border:1px solid var(--border);}

/* notices */
.notice-card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:18px;transition:border-color .25s,transform .25s;
}
.notice-card:hover{border-color:var(--border-bright);transform:translateY(-4px);}
.notice-date{font-size:12.5px;color:var(--accent-2);font-weight:700;margin-bottom:8px;}
.notice-card h3{font-size:16px;margin-bottom:8px;}
.notice-card p{font-size:13.5px;opacity:.88;}

/* guide */
.guide-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:start;}
.guide-text p{font-size:15px;margin-bottom:14px;opacity:.94;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;background:var(--card);
  border:1px solid var(--border);border-radius:12px;padding:14px;
}
.check-item .tick{
  width:24px;height:24px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;
  font-weight:800;
}
.check-item p{font-size:13.5px;opacity:.92;}

/* app download */
.app-download{
  text-align:center;background:var(--card);border:1px solid var(--border);
  border-radius:24px;padding:50px 24px;position:relative;overflow:hidden;
}
.app-download::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 50% 0%,rgba(124,92,255,.18),transparent 65%);
}
.app-download h2{font-size:26px;margin-bottom:14px;position:relative;}
.app-download p{max-width:720px;margin:0 auto 26px;font-size:15px;opacity:.92;position:relative;}
.app-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;}

/* comments */
.comment-card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:18px;transition:border-color .25s,transform .25s;
}
.comment-card:hover{border-color:var(--border-bright);transform:translateY(-3px);}
.comment-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:10px;}
.comment-user{font-size:14.5px;font-weight:700;color:var(--accent-2);}
.comment-time{font-size:12px;opacity:.7;}
.comment-card p{font-size:14px;opacity:.92;}

/* faq */
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s;
}
.faq-item.open{border-color:var(--border-bright);}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:16px 20px;cursor:pointer;font-size:15.5px;font-weight:600;
  color:var(--title);
}
.faq-q .arrow{
  font-size:18px;color:var(--accent-2);transition:transform .3s;flex-shrink:0;
}
.faq-item.open .faq-q .arrow{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s;
  padding:0 20px;font-size:14px;opacity:.92;
}
.faq-item.open .faq-a{max-height:400px;padding:0 20px 18px;}

/* sidebar layout */
.with-sidebar{display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:start;}
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:90px;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;
}
.side-card h3{
  font-size:16.5px;margin-bottom:14px;padding-bottom:10px;
  border-bottom:1px solid var(--border);
}
.rank-list{display:flex;flex-direction:column;gap:10px;}
.rank-item{display:flex;gap:12px;align-items:center;font-size:14px;}
.rank-num{
  width:24px;height:24px;border-radius:8px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:800;background:rgba(124,92,255,.16);color:var(--link);
}
.rank-item:nth-child(1) .rank-num{background:linear-gradient(135deg,#ffb347,#ff7b00);color:#fff;}
.rank-item:nth-child(2) .rank-num{background:linear-gradient(135deg,#c9d4ff,#8fa3ff);color:#0d0820;}
.rank-item:nth-child(3) .rank-num{background:linear-gradient(135deg,#ffc9a3,#ff9a5c);color:#0d0820;}
.rank-item a{color:var(--text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-item a:hover{color:var(--link-hover);}
.rank-item span{font-size:12.5px;opacity:.78;flex-shrink:0;}
.stat-list{display:flex;flex-direction:column;gap:12px;}
.stat-row{display:flex;justify-content:space-between;font-size:14px;padding-bottom:10px;border-bottom:1px dashed var(--border);}
.stat-row:last-child{border-bottom:none;padding-bottom:0;}
.stat-row b{color:var(--accent-2);}

/* footer */
footer{
  border-top:1px solid var(--border);background:rgba(11,11,24,.6);
  padding:50px 0 26px;margin-top:30px;
}
html[data-theme="light"] footer{background:rgba(238,242,251,.85);}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-bottom:34px;}
.footer-col h4{font-size:15.5px;margin-bottom:14px;color:var(--title);}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.footer-col li a{font-size:13.5px;color:var(--text);opacity:.9;}
.footer-col li a:hover{color:var(--link-hover);}
.friend-links{
  display:flex;gap:14px;flex-wrap:wrap;padding:18px 0;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  margin-bottom:20px;
}
.friend-links a{font-size:13px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;opacity:.85;
}
.footer-bottom .links{display:flex;gap:14px;flex-wrap:wrap;}

/* back to top */
#backTop{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
  border:none;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s,transform .3s,visibility .3s;
  box-shadow:0 10px 26px rgba(124,92,255,.45);z-index:900;
}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0);}

/* responsive */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(3,1fr);}
  .with-sidebar{grid-template-columns:1fr;}
  .sidebar{position:static;}
  nav.main-nav a{padding:8px 8px;font-size:13px;}
}
@media (max-width:880px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .featured-card{grid-template-columns:1fr;}
  .featured-card img{width:100%;height:auto;aspect-ratio:300/200;}
  .detail-layout{grid-template-columns:1fr;}
  .detail-side{position:static;}
  .platform-layout,.device-layout,.guide-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .feature-squares{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:760px){
  nav.main-nav,.nav-right .search-box,.nav-right .btn{display:none;}
  .hamburger{display:flex;}
  .grid-2{grid-template-columns:1fr;}
  .char-card{flex-direction:column;align-items:center;text-align:center;}
  .char-card img{width:180px;height:180px;}
}
@media (max-width:520px){
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr);}
  .grid{gap:14px;}
  .comic-body{padding:11px 11px 13px;}
  .comic-body h3{font-size:14.5px;}
  .stat{padding:12px 20px;min-width:120px;}
  .stat b{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .feature-squares{grid-template-columns:1fr;}
  section{padding:40px 0;}
}