:root{
  --bg1:#0b0b18;
  --bg2:#15152c;
  --card:#1a1a36;
  --border:#2e2e58;
  --text:#e9e9f4;
  --title:#f2f2ff;
  --accent:#7c5cff;
  --accent2:#9d7cff;
  --accent-soft:rgba(124,92,255,.16);
  --shadow:0 10px 30px rgba(0,0,0,.45);
}
html[data-theme="light"]{
  --bg1:#f6f8ff;
  --bg2:#eef2fb;
  --card:#ffffff;
  --border:rgba(40,62,100,.13);
  --text:#142033;
  --title:#0d0820;
  --accent:#6c4df6;
  --accent2:#1fb9d6;
  --accent-soft:rgba(108,77,246,.12);
  --shadow:0 10px 26px rgba(20,32,51,.12);
}
*{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(--bg1),var(--bg2));
  color:var(--text);
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:var(--accent2);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent);text-decoration:underline}
h1,h2,h3,h4{color:var(--title);line-height:1.35}
img{display:block;max-width:100%;height:auto;border-radius:10px}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 18px}

/* progress bar */
#progressBar{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  z-index:9999;transition:width .08s linear;
}

/* header */
header#topbar{
  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:box-shadow .25s,border-color .25s,background .25s;
}
html[data-theme="light"] header#topbar{background:rgba(246,248,255,.8)}
header#topbar.scrolled{
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 22px rgba(0,0,0,.35);
}
html[data-theme="light"] header#topbar.scrolled{box-shadow:0 6px 22px rgba(20,32,51,.12)}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;height:66px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.02rem;color:var(--title);
  letter-spacing:.3px;flex-shrink:0;
}
.logo:hover{text-decoration:none;color:var(--accent2)}
.logo .dot{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;color:#fff;font-weight:900;
}
nav.main-nav{display:flex;align-items:center;gap:2px}
nav.main-nav a{
  color:var(--text);font-size:.9rem;padding:8px 10px;border-radius:8px;
  white-space:nowrap;transition:background .2s,color .2s;
}
nav.main-nav a:hover{background:var(--accent-soft);color:var(--accent2);text-decoration:none}
.nav-right{display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;background:var(--card);
  border:1px solid var(--border);border-radius:20px;padding:4px 6px 4px 14px;
}
.search-box input{
  background:transparent;border:none;outline:none;color:var(--text);
  font-size:.85rem;width:130px;font-family:inherit;
}
.search-box input::placeholder{color:var(--text);opacity:.55}
.search-box button{
  border:none;cursor:pointer;border-radius:16px;padding:5px 12px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-size:.8rem;font-family:inherit;font-weight:600;
}
.btn{
  display:inline-block;border:none;cursor:pointer;font-family:inherit;
  border-radius:22px;padding:9px 20px;font-size:.88rem;font-weight:600;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s;
  text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;box-shadow:0 6px 18px rgba(124,92,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff;text-decoration:none}
.btn-ghost{
  background:var(--accent-soft);color:var(--accent2);
  border:1px solid var(--border);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--accent);text-decoration:none}
.theme-btn{
  background:var(--card);border:1px solid var(--border);color:var(--text);
  width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:1rem;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background .2s,transform .2s;
}
.theme-btn:hover{transform:rotate(18deg)}
.hamburger{
  display:none;background:var(--card);border:1px solid var(--border);
  width:40px;height:40px;border-radius:10px;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.hamburger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile menu */
.mobile-menu{
  display:none;flex-direction:column;gap:4px;
  padding:10px 18px 18px;border-top:1px solid var(--border);
  background:rgba(11,11,24,.96);
}
html[data-theme="light"] .mobile-menu{background:rgba(246,248,255,.98)}
.mobile-menu.open{display:flex}
.mobile-menu a{
  color:var(--text);padding:11px 12px;border-radius:10px;font-size:.92rem;
}
.mobile-menu a:hover{background:var(--accent-soft);text-decoration:none;color:var(--accent2)}

/* hero */
.hero{
  min-height:78vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:120px 0 60px;position:relative;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 20%,var(--accent-soft),transparent 62%);
  pointer-events:none;
}
.hero-inner{position:relative;max-width:860px;margin:0 auto}
.hero-logo{
  width:200px;height:200px;margin:0 auto 22px;border-radius:38px;
  object-fit:cover;border:2px solid var(--border);
  box-shadow:0 18px 46px rgba(124,92,255,.35);
}
.hero h1{
  font-size:clamp(1.6rem,4.4vw,2.7rem);font-weight:900;
  margin-bottom:14px;letter-spacing:.5px;
}
.hero .slogan{
  font-size:clamp(.98rem,2.2vw,1.2rem);color:var(--accent2);
  font-weight:700;margin-bottom:16px;
}
.hero .intro{
  font-size:.95rem;max-width:680px;margin:0 auto 28px;opacity:.92;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:44px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:18px;justify-content:center;
}
.stat{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:16px 28px;min-width:150px;box-shadow:var(--shadow);
}
.stat b{display:block;font-size:1.5rem;color:var(--accent2);font-weight:900}
.stat span{font-size:.82rem;opacity:.85}

/* section */
section{padding:64px 0}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{
  font-size:clamp(1.35rem,3.2vw,1.9rem);font-weight:900;display:inline-block;
  position:relative;padding-bottom:12px;
}
.section-head h2::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:64px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
}
.section-head p{margin-top:12px;font-size:.9rem;opacity:.85}

/* hot grid */
.grid-hot{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.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;
  display:flex;flex-direction:column;
}
.comic-card:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:var(--shadow)}
.comic-cover{width:100%;aspect-ratio:220/310;object-fit:cover;border-radius:0}
.badge{
  position:absolute;top:10px;left:10px;z-index:2;
  font-size:.7rem;font-weight:700;padding:3px 9px;border-radius:20px;color:#fff;
}
.badge.serial{background:linear-gradient(135deg,#7c5cff,#9d7cff)}
.badge.done{background:linear-gradient(135deg,#1fb9d6,#3ad0a8)}
.badge-read{
  position:absolute;top:10px;right:10px;z-index:2;
  font-size:.68rem;padding:3px 9px;border-radius:20px;
  background:rgba(11,11,24,.72);color:#fff;backdrop-filter:blur(4px);
}
.comic-body{padding:12px 14px 16px;flex:1;display:flex;flex-direction:column;gap:5px}
.comic-body h3{font-size:.98rem;font-weight:800}
.comic-meta{font-size:.76rem;opacity:.82;line-height:1.6}
.comic-meta em{font-style:normal;color:var(--accent2);font-weight:600}

/* recommend */
.rec-list{display:flex;flex-direction:column;gap:22px}
.rec-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;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.rec-card img{width:300px;height:200px;object-fit:cover;flex-shrink:0;border-radius:12px}
.rec-info h3{font-size:1.12rem;margin-bottom:8px}
.rec-info p{font-size:.88rem;margin-bottom:10px;opacity:.9}
.rec-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.tag{
  font-size:.74rem;padding:3px 11px;border-radius:20px;
  background:var(--accent-soft);color:var(--accent2);font-weight:600;
}
.rec-meta{font-size:.8rem;opacity:.85}

/* detail */
.detail-wrap{display:grid;grid-template-columns:280px 1fr;gap:26px}
.detail-side{
  background:linear-gradient(160deg,#1a1a36,#0b0b18);
  border:1px solid var(--border);border-radius:18px;padding:28px 24px;
  color:#e9e9f4;position:sticky;top:90px;height:fit-content;
}
html[data-theme="light"] .detail-side{
  background:linear-gradient(160deg,#0d0820,#241a4d);color:#f2f2ff;
}
.detail-side .num{
  font-size:4.4rem;font-weight:900;line-height:1;
  background:linear-gradient(135deg,#9d7cff,#1fb9d6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.detail-side h3{margin:14px 0 10px;font-size:1.15rem;color:#f2f2ff}
.detail-side p{font-size:.85rem;opacity:.92;color:#e9e9f4}
.detail-main h3{font-size:1.1rem;margin:22px 0 10px}
.detail-main h3:first-child{margin-top:0}
.detail-main p{font-size:.92rem;margin-bottom:14px;opacity:.94}
.detail-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.detail-tags span{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:10px 20px;font-size:.85rem;font-weight:700;color:var(--accent2);
}

/* characters */
.char-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.char-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:16px;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.char-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.char-card img{width:180px;height:180px;object-fit:cover;border-radius:14px;flex-shrink:0}
.char-info h3{font-size:1.05rem;margin-bottom:6px}
.char-role{
  display:inline-block;font-size:.72rem;padding:2px 10px;border-radius:20px;
  background:var(--accent-soft);color:var(--accent2);font-weight:700;margin-bottom:8px;
}
.char-info p{font-size:.83rem;opacity:.9;margin-bottom:6px}
.char-info p b{color:var(--accent2)}

/* platform */
.platform-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.platform-text p{font-size:.92rem;margin-bottom:14px;opacity:.94}
.platform-text h3{font-size:1.05rem;margin:18px 0 8px}
.step-list{display:flex;flex-direction:column;gap:14px}
.step-item{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:14px 16px;
}
.step-num{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;
  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-item h4{font-size:.92rem;margin-bottom:3px}
.step-item p{font-size:.8rem;opacity:.88}
.feature-squares{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;
}
.feature-square{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:18px 14px;text-align:center;font-size:.85rem;font-weight:700;
  color:var(--accent2);transition:transform .25s,border-color .25s;
}
.feature-square:hover{transform:translateY(-4px);border-color:var(--accent)}

/* sync */
.sync-wrap{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.sync-text p{font-size:.92rem;margin-bottom:14px;opacity:.94}
.sync-text h3{font-size:1.05rem;margin:16px 0 8px}
.sync-img img{width:100%;max-width:400px;height:600px;object-fit:cover;margin:0 auto;border:1px solid var(--border)}

/* notice */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.notice-card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:18px;transition:transform .25s,border-color .25s;
}
.notice-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.notice-date{font-size:.75rem;color:var(--accent2);font-weight:700;margin-bottom:6px}
.notice-card h3{font-size:.98rem;margin-bottom:8px}
.notice-card p{font-size:.82rem;opacity:.88}

/* guide */
.guide-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.guide-text p{font-size:.92rem;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 .ck{
  color:var(--accent2);font-weight:900;font-size:1.05rem;line-height:1.4;
}
.check-item p{font-size:.84rem;opacity:.9}

/* download */
.download{text-align:center}
.download p{max-width:680px;margin:0 auto 26px;font-size:.94rem;opacity:.94}
.download-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* comments */
.comment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.comment-card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:16px 18px;transition:transform .25s,border-color .25s;
}
.comment-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.comment-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:10px}
.comment-user{font-weight:800;font-size:.9rem;color:var(--accent2)}
.comment-time{font-size:.74rem;opacity:.75}
.comment-card p{font-size:.85rem;opacity:.92}

/* faq */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;cursor:pointer;
  color:var(--title);font-family:inherit;font-size:.95rem;font-weight:700;
  padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-q .arrow{transition:transform .25s;color:var(--accent2);font-size:1.1rem;flex-shrink:0}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  font-size:.88rem;opacity:.92;
}
.faq-a-inner{padding:0 18px 16px}
.faq-item.open .faq-a{max-height:420px}

/* sidebar layout */
.with-sidebar{display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:start}
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:90px}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;
}
.side-card h3{font-size:1rem;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:10px;align-items:center;font-size:.85rem}
.rank-num{
  width:22px;height:22px;border-radius:6px;flex-shrink:0;
  background:var(--accent-soft);color:var(--accent2);
  font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.rank-item:nth-child(1) .rank-num{background:linear-gradient(135deg,#7c5cff,#9d7cff);color:#fff}
.rank-item:nth-child(2) .rank-num{background:linear-gradient(135deg,#1fb9d6,#3ad0a8);color:#fff}
.rank-item:nth-child(3) .rank-num{background:linear-gradient(135deg,#f0a020,#f6c343);color:#fff}
.rank-item a{color:var(--text);flex:1}
.rank-item a:hover{color:var(--accent2)}
.rank-item span{font-size:.75rem;opacity:.75}
.stat-list{display:flex;flex-direction:column;gap:11px}
.stat-row{display:flex;justify-content:space-between;font-size:.85rem}
.stat-row b{color:var(--accent2);font-weight:800}

/* footer */
footer{
  background:rgba(0,0,0,.22);border-top:1px solid var(--border);
  padding:52px 0 24px;margin-top:40px;
}
html[data-theme="light"] footer{background:rgba(40,62,100,.05)}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-bottom:34px}
.footer-col h3{font-size:.98rem;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:.85rem;color:var(--text);opacity:.88}
.footer-col a:hover{color:var(--accent2);opacity:1}
.friend-links{
  padding:18px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:10px 18px;font-size:.83rem;margin-bottom:22px;
}
.friend-links strong{color:var(--title);margin-right:6px}
.footer-bottom{text-align:center;font-size:.8rem;opacity:.85;line-height:2}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;margin-top:8px}

/* back to top */
#backTop{
  position:fixed;right:22px;bottom:26px;z-index:900;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--border);
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;
  font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s,transform .3s,visibility .3s;box-shadow:var(--shadow);
}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}

/* responsive */
@media(max-width:1080px){
  .grid-hot{grid-template-columns:repeat(3,1fr)}
  .with-sidebar{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
}
@media(max-width:900px){
  nav.main-nav{display:none}
  .search-box{display:none}
  .hamburger{display:flex}
  .grid-hot{grid-template-columns:repeat(3,1fr)}
  .rec-card{flex-direction:column}
  .rec-card img{width:100%;height:200px}
  .detail-wrap{grid-template-columns:1fr}
  .detail-side{position:static}
  .char-grid{grid-template-columns:1fr}
  .platform-wrap,.sync-wrap,.guide-wrap{grid-template-columns:1fr}
  .notice-grid{grid-template-columns:repeat(2,1fr)}
  .comment-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .feature-squares{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .grid-hot{grid-template-columns:repeat(2,1fr)}
  .hero{padding:106px 0 40px;min-height:auto}
  .hero-logo{width:150px;height:150px;border-radius:28px}
  .stat{min-width:120px;padding:12px 18px}
  .stat b{font-size:1.2rem}
  .char-card{flex-direction:column}
  .char-card img{width:100%;height:auto;aspect-ratio:1/1}
  .notice-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .feature-squares{grid-template-columns:1fr}
  .sync-img img{height:auto;aspect-ratio:400/600}
  .rec-card img{height:180px}
  section{padding:46px 0}
}