:root{
  --bg-start:#0b0b18;
  --bg-end:#15152c;
  --card:#1a1a36;
  --card-2:#1f1f40;
  --border:#2e2e58;
  --border-soft:#26264a;
  --text:#e9e9f4;
  --text-soft:#c3c3dd;
  --title:#f2f2ff;
  --accent:#7c5cff;
  --accent-2:#9d7cff;
  --accent-3:#5ad1e6;
  --link:#a48bff;
  --link-hover:#c9b8ff;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --radius:16px;
}
html[data-theme="light"]{
  --bg-start:#f6f8ff;
  --bg-end:#eef2fb;
  --card:#ffffff;
  --card-2:#f4f6ff;
  --border:rgba(40,62,100,.13);
  --border-soft:rgba(40,62,100,.09);
  --text:#142033;
  --text-soft:#3b4a63;
  --title:#0d0820;
  --accent:#6c4df6;
  --accent-2:#1fb9d6;
  --accent-3:#1fb9d6;
  --link:#5b3ee0;
  --link-hover:#1fb9d6;
  --shadow:0 10px 30px rgba(40,62,100,.12);
}
*{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) 0%,var(--bg-end) 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--link);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--link-hover);text-decoration:underline;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{color:var(--title);line-height:1.35;font-weight:700;}
h2{font-size:clamp(1.4rem,2.6vw,2rem);}
h3{font-size:clamp(1.05rem,1.8vw,1.25rem);}
p{color:var(--text-soft);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 18px;}

/* progress bar */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent-3));
  z-index:1200;transition:width .1s linear;
}

/* header */
header.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(11,11,24,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
html[data-theme="light"] header.site-header{background:rgba(246,248,255,.75);}
header.site-header.scrolled{
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 24px rgba(0,0,0,.35);
}
html[data-theme="light"] header.site-header.scrolled{box-shadow:0 6px 24px rgba(40,62,100,.14);}
.nav-wrap{
  display:flex;align-items:center;gap:14px;
  height:66px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.05rem;font-weight:800;color:var(--title);
  white-space:nowrap;flex-shrink:0;
}
.logo .logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-3));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:.95rem;font-weight:900;flex-shrink:0;
}
.logo span.logo-text{max-width:230px;overflow:hidden;text-overflow:ellipsis;}
nav.main-nav{flex:1;display:flex;justify-content:center;}
nav.main-nav ul{display:flex;list-style:none;gap:4px;flex-wrap:wrap;justify-content:center;}
nav.main-nav a{
  display:block;padding:8px 12px;border-radius:10px;
  color:var(--text-soft);font-size:.92rem;font-weight:600;
}
nav.main-nav a:hover{color:var(--title);background:var(--card-2);text-decoration:none;}
.header-actions{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:12px;padding:6px 10px;gap:6px;
}
.search-box input{
  background:transparent;border:none;outline:none;
  color:var(--text);font-size:.88rem;width:130px;
  font-family:inherit;
}
.search-box input::placeholder{color:var(--text-soft);opacity:.75;}
.search-box button{
  background:transparent;border:none;cursor:pointer;
  color:var(--accent-2);font-size:.95rem;font-weight:700;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 18px;border-radius:12px;font-size:.9rem;font-weight:700;
  cursor:pointer;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  font-family:inherit;text-align:center;
}
.btn:hover{transform:translateY(-2px);text-decoration:none;}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;box-shadow:0 8px 20px rgba(124,92,255,.35);
}
.btn-primary:hover{color:#fff;}
.btn-ghost{
  background:var(--card);border:1px solid var(--border);color:var(--text);
}
.btn-ghost:hover{color:var(--title);border-color:var(--accent);}
.theme-toggle{
  width:40px;height:40px;border-radius:12px;
  background:var(--card);border:1px solid var(--border);
  color:var(--accent-2);cursor:pointer;font-size:1.05rem;
  display:flex;align-items:center;justify-content:center;
}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--card);border:1px solid var(--border);
  cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.hamburger span{width:20px;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:2px;
  background:var(--card);border-bottom:1px solid var(--border);
  padding:10px 18px 18px;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  padding:11px 12px;border-radius:10px;color:var(--text);
  font-weight:600;font-size:.95rem;
}
.mobile-menu a:hover{background:var(--card-2);text-decoration:none;color:var(--title);}
.mobile-menu .search-box{margin-top:8px;width:100%;}
.mobile-menu .search-box input{width:100%;}

/* hero */
.hero{
  min-height:76vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:120px 18px 70px;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.28),transparent 68%);
  top:-180px;left:-160px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(90,209,230,.20),transparent 68%);
  bottom:-220px;right:-160px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:880px;}
.hero-logo{
  width:200px;height:200px;border-radius:40px;margin:0 auto 26px;
  border:1px solid var(--border);box-shadow:var(--shadow);
  object-fit:cover;background:var(--card);
}
.hero h1{font-size:clamp(1.7rem,4.4vw,3rem);margin-bottom:16px;letter-spacing:.5px;}
.hero .slogan{
  font-size:clamp(1rem,2vw,1.2rem);color:var(--accent-2);
  font-weight:700;margin-bottom:18px;
}
.hero .intro{max-width:720px;margin:0 auto 30px;font-size:1rem;}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:44px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  max-width:640px;margin:0 auto;
}
.stat-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 12px;
}
.stat-card .num{
  font-size:clamp(1.3rem,3vw,1.9rem);font-weight:900;
  color:var(--accent-2);display:block;
}
.stat-card .label{font-size:.85rem;color:var(--text-soft);}

/* sections */
section{padding:64px 0;}
.section-head{margin-bottom:34px;text-align:center;}
.section-head h2{margin-bottom:10px;}
.section-head p{max-width:680px;margin:0 auto;font-size:.95rem;}
.section-head .eyebrow{
  display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:2px;
  color:var(--accent-2);text-transform:uppercase;margin-bottom:8px;
}

/* grid cards - hot */
.grid-hot{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.card-manga{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;position:relative;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.card-manga:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:var(--shadow);}
.card-manga .cover{position:relative;}
.card-manga .cover img{width:100%;height:auto;aspect-ratio:220/310;object-fit:cover;}
.badge{
  position:absolute;top:10px;left:10px;padding:3px 9px;border-radius:8px;
  font-size:.72rem;font-weight:800;color:#fff;background:var(--accent);
}
.badge.done{background:#2fa36b;}
.badge.read{
  left:auto;right:10px;background:rgba(11,11,24,.78);
  border:1px solid var(--border);
}
html[data-theme="light"] .badge.read{background:rgba(20,32,51,.78);color:#fff;}
.card-manga .info{padding:12px 13px 15px;display:flex;flex-direction:column;gap:5px;flex:1;}
.card-manga h3{font-size:1rem;}
.card-manga .meta{font-size:.8rem;color:var(--text-soft);}
.card-manga .meta b{color:var(--text);font-weight:600;}
.card-manga .type-tag{
  align-self:flex-start;margin-top:4px;font-size:.72rem;font-weight:700;
  padding:3px 9px;border-radius:8px;background:var(--card-2);
  border:1px solid var(--border);color:var(--accent-2);
}

/* featured */
.featured-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card-feature{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;transition:transform .25s ease,border-color .25s ease;
}
.card-feature:hover{transform:translateY(-5px);border-color:var(--accent);}
.card-feature img{
  width:300px;height:200px;object-fit:cover;border-radius:12px;flex-shrink:0;
}
.card-feature .ftext{display:flex;flex-direction:column;gap:8px;}
.card-feature .ftext p{font-size:.88rem;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;}
.tag{
  font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:20px;
  background:var(--card-2);border:1px solid var(--border);color:var(--accent-2);
}

/* detail split */
.split{display:grid;grid-template-columns:300px 1fr;gap:30px;align-items:start;}
.detail-side{
  background:linear-gradient(160deg,rgba(124,92,255,.22),rgba(90,209,230,.10));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 24px;position:sticky;top:90px;
}
.detail-side .big-num{
  font-size:4.4rem;font-weight:900;line-height:1;
  color:var(--accent-2);display:block;margin-bottom:14px;
}
.detail-side h3{margin-bottom:12px;}
.detail-side p{font-size:.92rem;}
.detail-body h2{margin-bottom:16px;}
.detail-body h3{margin:22px 0 8px;color:var(--accent-2);}
.detail-body p{margin-bottom:12px;}
.feature-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.feature-tags .tag{padding:8px 16px;font-size:.82rem;}

/* characters */
.char-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.card-char{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;transition:border-color .25s ease,transform .25s ease;
}
.card-char:hover{border-color:var(--accent);transform:translateY(-4px);}
.card-char img{width:180px;height:180px;object-fit:cover;border-radius:14px;flex-shrink:0;}
.card-char .ctext{display:flex;flex-direction:column;gap:6px;}
.card-char .role{
  align-self:flex-start;font-size:.72rem;font-weight:700;
  padding:3px 10px;border-radius:8px;background:var(--accent);color:#fff;
}
.card-char .ctext p{font-size:.86rem;}
.card-char .ability{font-size:.82rem;color:var(--text-soft);}
.card-char .ability b{color:var(--accent-2);}

/* platform */
.platform-split{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start;}
.platform-split h3{margin:18px 0 8px;color:var(--accent-2);}
.step-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.step-list li{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:14px 16px;display:flex;gap:12px;align-items:flex-start;
}
.step-list .step-num{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-weight:800;font-size:.9rem;
  display:flex;align-items:center;justify-content:center;
}
.step-list strong{display:block;color:var(--title);font-size:.95rem;}
.step-list span{font-size:.84rem;color:var(--text-soft);}
.feature-squares{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px;
}
.sq{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:16px 14px;text-align:center;
}
.sq .ico{font-size:1.4rem;display:block;margin-bottom:6px;}
.sq strong{display:block;font-size:.9rem;color:var(--title);}
.sq span{font-size:.78rem;color:var(--text-soft);}

/* device showcase */
.device-split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;}
.device-imgs{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.device-imgs img{
  width:400px;height:600px;object-fit:cover;border-radius:22px;
  border:1px solid var(--border);box-shadow:var(--shadow);max-width:100%;
}
.device-imgs img.tablet{width:400px;height:600px;}

/* notice */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.card-notice{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;transition:border-color .25s ease,transform .25s ease;
}
.card-notice:hover{border-color:var(--accent);transform:translateY(-4px);}
.card-notice .date{
  font-size:.76rem;font-weight:700;color:var(--accent-2);margin-bottom:8px;display:block;
}
.card-notice h3{font-size:1rem;margin-bottom:8px;}
.card-notice p{font-size:.85rem;}

/* guide */
.guide-split{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start;}
.check-list{list-style:none;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:13px 16px;font-size:.9rem;color:var(--text-soft);
  display:flex;gap:10px;align-items:flex-start;
}
.check-list li::before{
  content:"✓";color:var(--accent-2);font-weight:900;flex-shrink:0;
}

/* app download */
.app-download{
  text-align:center;background:var(--card);border:1px solid var(--border);
  border-radius:24px;padding:48px 26px;position:relative;overflow:hidden;
}
.app-download::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.22),transparent 70%);
  top:-180px;right:-140px;pointer-events:none;
}
.app-download > *{position:relative;z-index:2;}
.app-download p{max-width:680px;margin:14px auto 26px;}
.app-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* comments */
.comment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.card-comment{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px 18px;transition:border-color .25s ease;
}
.card-comment:hover{border-color:var(--accent);}
.card-comment .c-head{
  display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;
}
.card-comment .c-name{font-weight:800;color:var(--title);font-size:.93rem;}
.card-comment .c-time{font-size:.76rem;color:var(--text-soft);}
.card-comment p{font-size:.88rem;}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.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;
  padding:16px 18px;font-size:.98rem;font-weight:700;color:var(--title);
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-family:inherit;
}
.faq-q .arrow{transition:transform .25s ease;color:var(--accent-2);flex-shrink:0;}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  padding:0 18px;
}
.faq-item.open .faq-a{max-height:420px;padding-bottom:16px;}
.faq-a p{font-size:.88rem;}

/* 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:var(--radius);
  padding:18px;
}
.side-card h3{font-size:1rem;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{
  content:"";width:4px;height:16px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-3));
}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:10px;}
.rank-list li{display:flex;gap:10px;align-items:center;font-size:.86rem;}
.rank-list .rk{
  width:24px;height:24px;border-radius:7px;flex-shrink:0;
  background:var(--card-2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.76rem;color:var(--accent-2);
}
.rank-list li:nth-child(1) .rk{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent;}
.rank-list li:nth-child(2) .rk{background:linear-gradient(135deg,var(--accent-2),var(--accent-3));color:#fff;border-color:transparent;}
.rank-list li:nth-child(3) .rk{background:linear-gradient(135deg,var(--accent-3),var(--accent));color:#fff;border-color:transparent;}
.rank-list a{color:var(--text);}
.rank-list a:hover{color:var(--accent-2);}
.rank-list .rk-val{margin-left:auto;font-size:.76rem;color:var(--text-soft);}
.stat-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.stat-list li{
  background:var(--card-2);border:1px solid var(--border-soft);
  border-radius:12px;padding:10px 12px;
}
.stat-list .s-num{display:block;font-size:1.05rem;font-weight:900;color:var(--accent-2);}
.stat-list .s-label{font-size:.76rem;color:var(--text-soft);}

/* footer */
footer.site-footer{
  background:var(--card);border-top:1px solid var(--border);
  padding:52px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-bottom:34px;}
.footer-grid h4{font-size:.95rem;margin-bottom:14px;}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.footer-grid a{font-size:.86rem;color:var(--text-soft);}
.footer-grid a:hover{color:var(--accent-2);}
.friend-links{
  border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);
  padding:16px 0;margin-bottom:22px;
  display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-size:.84rem;
}
.friend-links strong{color:var(--title);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.8rem;color:var(--text-soft);
}
.footer-bottom .legal-links{display:flex;gap:14px;flex-wrap:wrap;}
.footer-bottom a{font-size:.8rem;}

/* back to top */
#back-top{
  position:fixed;right:22px;bottom:26px;z-index:1100;
  width:46px;height:46px;border-radius:14px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;border:none;cursor:pointer;font-size:1.1rem;font-weight:800;
  box-shadow:0 10px 24px rgba(124,92,255,.4);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
#back-top.show{opacity:1;visibility:visible;transform:translateY(0);}

/* responsive */
@media (max-width:1100px){
  .grid-hot{grid-template-columns:repeat(3,1fr);}
  .with-sidebar{grid-template-columns:1fr;}
  .sidebar{position:static;}
  .notice-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:980px){
  nav.main-nav{display:none;}
  .search-box{display:none;}
  .header-actions .btn-primary{display:none;}
  .hamburger{display:flex;}
  .featured-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;}
  .detail-side{position:static;}
  .platform-split{grid-template-columns:1fr;}
  .device-split{grid-template-columns:1fr;}
  .guide-split{grid-template-columns:1fr;}
  .char-grid{grid-template-columns:1fr;}
  .comment-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .grid-hot{grid-template-columns:repeat(2,1fr);gap:14px;}
  .card-feature{flex-direction:column;}
  .card-feature img{width:100%;height:auto;aspect-ratio:300/200;}
  .card-char{flex-direction:column;align-items:center;text-align:center;}
  .card-char .ctext{align-items:center;}
  .card-char .role{align-self:center;}
  .hero-stats{grid-template-columns:1fr;max-width:340px;}
  .feature-squares{grid-template-columns:1fr 1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .device-imgs img,.device-imgs img.tablet{width:100%;height:auto;aspect-ratio:400/600;}
  .stat-list{grid-template-columns:1fr 1fr;}
}