:root{
  --bg-start:#0b0b18;
  --bg-end:#15152c;
  --card:#1a1a36;
  --card-2:#20203f;
  --border:#2e2e58;
  --border-bright:#5a4bd8;
  --text:#e9e9f4;
  --text-soft:#c3c3dd;
  --title:#f2f2ff;
  --accent:#7c5cff;
  --accent-2:#9d7cff;
  --accent-soft:rgba(124,92,255,.16);
  --link:#a58bff;
  --link-hover:#c9b8ff;
  --shadow:0 10px 30px rgba(0,0,0,.45);
}
html.light{
  --bg-start:#f6f8ff;
  --bg-end:#eef2fb;
  --card:#ffffff;
  --card-2:#f3f5ff;
  --border:rgba(40,62,100,.16);
  --border-bright:#6c4df6;
  --text:#142033;
  --text-soft:#3c4a63;
  --title:#0d0820;
  --accent:#6c4df6;
  --accent-2:#1fb9d6;
  --accent-soft:rgba(108,77,246,.12);
  --link:#5a37e0;
  --link-hover:#1f8fb0;
  --shadow:0 10px 28px rgba(30,48,90,.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) 0%,var(--bg-end) 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--link);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--link-hover);text-decoration:underline;}
img{display:block;max-width:100%;border-radius:12px;background:var(--card-2);}
h1,h2,h3,h4{color:var(--title);line-height:1.35;font-weight:700;}
h2{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:8px;}
h3{font-size:1.08rem;}
p{color:var(--text);}
ul{list-style:none;}
.container{width:min(1240px,92%);margin:0 auto;}
.section{padding:64px 0;}
.section-head{margin-bottom:34px;}
.section-head .eyebrow{
  display:inline-block;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent-2);border:1px solid var(--border);border-radius:999px;
  padding:4px 14px;margin-bottom:14px;background:var(--accent-soft);
}
.section-head p{color:var(--text-soft);max-width:760px;margin-top:8px;}

/* progress bar */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0%;z-index:1200;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transition:width .08s linear;
}

/* header */
header.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1100;
  background:color-mix(in srgb,var(--bg-start) 78%,transparent);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s ease,border-color .3s ease,background .3s ease;
}
header.site-header.scrolled{
  border-bottom:1px solid var(--border);
  box-shadow:0 8px 26px rgba(0,0,0,.35);
}
html.light header.site-header.scrolled{box-shadow:0 8px 22px rgba(30,48,90,.14);}
.nav-wrap{
  display:flex;align-items:center;gap:18px;
  padding:12px 0;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo img{width:42px;height:42px;border-radius:11px;border:1px solid var(--border);}
.logo-text{font-size:1.02rem;font-weight:800;color:var(--title);line-height:1.2;max-width:190px;}
.logo-text span{display:block;font-size:.66rem;font-weight:500;color:var(--accent-2);letter-spacing:.12em;}
nav.main-nav{margin-left:auto;}
nav.main-nav ul{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
nav.main-nav a{
  display:inline-block;padding:8px 11px;border-radius:9px;font-size:.9rem;
  color:var(--text-soft);font-weight:500;
}
nav.main-nav a:hover{color:var(--title);background:var(--accent-soft);text-decoration:none;}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:6px;
  background:var(--card);border:1px solid var(--border);border-radius:11px;
  padding:6px 10px;
}
.search-box input{
  background:transparent;border:none;outline:none;color:var(--text);
  font-size:.86rem;width:130px;font-family:inherit;
}
.search-box input::placeholder{color:var(--text-soft);}
.search-box button{
  background:transparent;border:none;cursor:pointer;color:var(--accent-2);
  font-size:.82rem;font-family:inherit;font-weight:600;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:11px;padding:9px 18px;font-size:.9rem;font-weight:600;
  cursor:pointer;border:1px solid transparent;font-family:inherit;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 20px var(--accent-soft);}
.btn-primary:hover{color:#fff;box-shadow:0 12px 26px var(--accent-soft);}
.btn-ghost{background:var(--card);border-color:var(--border);color:var(--text);}
.btn-ghost:hover{color:var(--title);border-color:var(--border-bright);}
.theme-toggle{
  width:40px;height:40px;border-radius:11px;cursor:pointer;
  background:var(--card);border:1px solid var(--border);color:var(--text);
  font-size:1.05rem;display:inline-flex;align-items:center;justify-content:center;
}
.theme-toggle:hover{border-color:var(--border-bright);color:var(--title);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:11px;cursor:pointer;
  background:var(--card);border:1px solid var(--border);color:var(--text);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:19px;height:2px;background:currentColor;border-radius:2px;transition:.25s;}
.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* hero */
.hero{
  min-height:78vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:150px 0 70px;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 22% 18%,var(--accent-soft),transparent 55%),
             radial-gradient(circle at 80% 78%,var(--accent-soft),transparent 52%);
}
.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;}
.hero-logo{
  width:200px;height:200px;border-radius:34px;border:1px solid var(--border);
  box-shadow:var(--shadow);margin-bottom:26px;
}
.hero h1{
  font-size:clamp(1.7rem,4vw,3rem);max-width:940px;margin-bottom:16px;
  background:linear-gradient(100deg,var(--title),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero .slogan{font-size:clamp(1rem,1.7vw,1.22rem);color:var(--accent-2);font-weight:600;margin-bottom:14px;}
.hero .intro{max-width:740px;color:var(--text-soft);margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:44px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(140px,1fr));gap:16px;
  width:min(720px,100%);
}
.stat-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:18px 12px;text-align:center;
}
.stat-card strong{display:block;font-size:1.5rem;color:var(--accent-2);font-weight:800;}
.stat-card span{font-size:.84rem;color:var(--text-soft);}

/* 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);}
.manga-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  overflow:hidden;position:relative;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.manga-card:hover{transform:translateY(-8px);border-color:var(--border-bright);box-shadow:var(--shadow);}
.manga-card .cover{width:100%;height:auto;border-radius:0;aspect-ratio:220/310;object-fit:cover;}
.badge{
  position:absolute;top:10px;left:10px;font-size:.7rem;font-weight:700;
  padding:3px 9px;border-radius:999px;background:rgba(11,11,24,.78);color:#fff;
  border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(4px);
}
.badge.done{background:rgba(31,185,214,.85);}
.badge.views{left:auto;right:10px;background:rgba(124,92,255,.85);}
.manga-body{padding:13px 14px 16px;display:flex;flex-direction:column;gap:5px;flex:1;}
.manga-body h3{font-size:1rem;}
.manga-meta{font-size:.79rem;color:var(--text-soft);}
.manga-meta b{color:var(--text);font-weight:600;}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px;}
.tag{
  font-size:.7rem;padding:2px 9px;border-radius:999px;
  border:1px solid var(--border);color:var(--accent-2);background:var(--accent-soft);
}

/* featured */
.feature-list{display:flex;flex-direction:column;gap:22px;}
.feature-card{
  display:grid;grid-template-columns:300px 1fr;gap:22px;
  background:var(--card);border:1px solid var(--border);border-radius:18px;
  padding:18px;transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.feature-card:hover{border-color:var(--border-bright);box-shadow:var(--shadow);transform:translateY(-4px);}
.feature-card img{width:300px;height:200px;object-fit:cover;}
.feature-card h3{margin-bottom:8px;font-size:1.16rem;}
.feature-card p{color:var(--text-soft);font-size:.92rem;margin-bottom:10px;}
.feature-meta{font-size:.82rem;color:var(--text-soft);margin-bottom:8px;}
.feature-meta b{color:var(--text);}

/* detail split */
.split{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:start;}
.detail-side{
  background:linear-gradient(160deg,var(--card),var(--bg-end));
  border:1px solid var(--border);border-radius:20px;padding:30px 24px;
  position:sticky;top:100px;
}
.detail-side .big-num{
  font-size:5rem;font-weight:900;line-height:1;
  background:linear-gradient(120deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:14px;
}
.detail-side p{color:var(--text-soft);font-size:.92rem;}
.detail-body h2{margin-bottom:18px;}
.detail-body h3{margin:24px 0 8px;color:var(--accent-2);}
.detail-body p{color:var(--text-soft);margin-bottom:12px;}
.detail-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.detail-tags span{
  border:1px solid var(--border);background:var(--card);border-radius:12px;
  padding:10px 18px;font-size:.86rem;color:var(--accent-2);font-weight:600;
}

/* characters */
.char-card{
  display:grid;grid-template-columns:180px 1fr;gap:20px;
  background:var(--card);border:1px solid var(--border);border-radius:18px;
  padding:18px;transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.char-card:hover{border-color:var(--border-bright);transform:translateY(-5px);box-shadow:var(--shadow);}
.char-card img{width:180px;height:180px;object-fit:cover;}
.char-card h3{margin-bottom:6px;}
.char-role{
  display:inline-block;font-size:.72rem;padding:2px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-2);border:1px solid var(--border);
  margin-bottom:9px;
}
.char-card p{font-size:.88rem;color:var(--text-soft);margin-bottom:6px;}
.char-card p b{color:var(--text);}

/* platform */
.platform-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:30px;align-items:start;}
.platform-grid p{color:var(--text-soft);margin-bottom:13px;}
.step-list{display:flex;flex-direction:column;gap:14px;}
.step{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:15px 17px;
}
.step .num{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;
}
.step b{display:block;color:var(--title);margin-bottom:3px;font-size:.95rem;}
.step span{font-size:.84rem;color:var(--text-soft);}
.feature-squares{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px;}
.square{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:16px;text-align:center;
}
.square strong{display:block;color:var(--accent-2);font-size:.95rem;margin-bottom:4px;}
.square span{font-size:.8rem;color:var(--text-soft);}

/* sync */
.sync-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.sync-grid img{width:100%;height:auto;border:1px solid var(--border);}
.sync-grid p{color:var(--text-soft);margin-bottom:13px;}

/* notice */
.notice-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;
  transition:border-color .25s ease,transform .25s ease;
}
.notice-card:hover{border-color:var(--border-bright);transform:translateY(-4px);}
.notice-date{font-size:.78rem;color:var(--accent-2);font-weight:700;margin-bottom:6px;letter-spacing:.06em;}
.notice-card h3{font-size:1rem;margin-bottom:6px;}
.notice-card p{font-size:.85rem;color:var(--text-soft);}

/* guide */
.guide-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:start;}
.guide-grid p{color:var(--text-soft);margin-bottom:13px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;gap:11px;background:var(--card);border:1px solid var(--border);
  border-radius:13px;padding:13px 16px;font-size:.88rem;color:var(--text-soft);
}
.check-list li::before{content:"✓";color:var(--accent-2);font-weight:900;}

/* app download */
.app-download{text-align:center;}
.app-download .inner{
  background:var(--card);border:1px solid var(--border);border-radius:24px;
  padding:52px 26px;max-width:860px;margin:0 auto;box-shadow:var(--shadow);
}
.app-download h2{margin-bottom:12px;}
.app-download p{color:var(--text-soft);max-width:640px;margin:0 auto 26px;}
.app-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* comments */
.comment-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;
  transition:border-color .25s ease,transform .25s ease;
}
.comment-card:hover{border-color:var(--border-bright);transform:translateY(-4px);}
.comment-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.comment-head b{color:var(--title);font-size:.94rem;}
.comment-head span{font-size:.76rem;color:var(--text-soft);}
.comment-card p{font-size:.88rem;color:var(--text-soft);}

/* faq */
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s ease;
}
.faq-item.active{border-color:var(--border-bright);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;cursor:pointer;
  padding:17px 20px;font-size:.98rem;font-weight:600;color:var(--title);
  display:flex;align-items:center;justify-content:space-between;gap:14px;font-family:inherit;
}
.faq-q .icon{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--accent-2);
  transition:transform .25s ease;font-size:.9rem;
}
.faq-item.active .faq-q .icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a p{padding:0 20px 18px;font-size:.88rem;color:var(--text-soft);}

/* sidebar layout */
.with-sidebar{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start;}
aside.sidebar{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px;}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:20px;}
.side-card h3{font-size:1rem;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);}
.rank-list li{
  display:flex;gap:11px;align-items:flex-start;padding:8px 0;font-size:.87rem;
  border-bottom:1px dashed var(--border);
}
.rank-list li:last-child{border-bottom:none;}
.rank-num{
  flex-shrink:0;width:22px;height:22px;border-radius:7px;font-size:.74rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:var(--accent-2);border:1px solid var(--border);
}
.rank-list li:nth-child(1) .rank-num,.rank-list li:nth-child(2) .rank-num,.rank-list li:nth-child(3) .rank-num{
  background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent;
}
.rank-list a{color:var(--text-soft);}
.rank-list a:hover{color:var(--link-hover);}
.stat-list li{
  display:flex;justify-content:space-between;padding:9px 0;font-size:.86rem;
  color:var(--text-soft);border-bottom:1px dashed var(--border);
}
.stat-list li:last-child{border-bottom:none;}
.stat-list b{color:var(--accent-2);font-weight:700;}

/* footer */
footer.site-footer{
  border-top:1px solid var(--border);margin-top:40px;padding:56px 0 26px;
  background:color-mix(in srgb,var(--bg-start) 82%,transparent);
}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-bottom:36px;}
.footer-col h4{font-size:.96rem;margin-bottom:14px;color:var(--title);}
.footer-col li{margin-bottom:9px;font-size:.85rem;}
.footer-col a{color:var(--text-soft);}
.footer-col a:hover{color:var(--link-hover);}
.friend-links{
  border-top:1px solid var(--border);padding-top:22px;margin-bottom:22px;
  display:flex;flex-wrap:wrap;gap:10px 20px;font-size:.83rem;
}
.friend-links span{color:var(--accent-2);font-weight:700;}
.friend-links a{color:var(--text-soft);}
.friend-links a:hover{color:var(--link-hover);}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8rem;color:var(--text-soft);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom a{color:var(--text-soft);}
.footer-bottom a:hover{color:var(--link-hover);}

/* back to top */
#back-top{
  position:fixed;right:22px;bottom:26px;z-index:1000;
  width:46px;height:46px;border-radius:14px;cursor:pointer;
  background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;
  border:none;font-size:1.1rem;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:.3s ease;box-shadow:var(--shadow);
}
#back-top.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;}
  aside.sidebar{position:static;}
  .platform-grid,.guide-grid,.sync-grid{grid-template-columns:1fr;}
  .detail-side{position:static;}
}
@media (max-width:900px){
  nav.main-nav{
    position:fixed;top:66px;left:0;right:0;z-index:1090;
    background:color-mix(in srgb,var(--bg-start) 96%,transparent);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .32s ease;
  }
  nav.main-nav.open{max-height:520px;overflow:auto;}
  nav.main-nav ul{flex-direction:column;align-items:stretch;padding:12px 5%;gap:2px;}
  nav.main-nav a{padding:12px 14px;font-size:.95rem;}
  .hamburger{display:flex;}
  .search-box,.nav-tools .btn-primary{display:none;}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr);}
  .feature-card{grid-template-columns:1fr;}
  .feature-card img{width:100%;height:200px;}
  .split{grid-template-columns:1fr;}
  .char-card{grid-template-columns:1fr;}
  .char-card img{width:100%;height:200px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .feature-squares{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:600px){
  .section{padding:46px 0;}
  .hero{padding-top:120px;min-height:auto;}
  .grid-2{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .feature-squares{grid-template-columns:1fr;}
  .logo-text{font-size:.9rem;max-width:130px;}
  .logo-text span{font-size:.6rem;}
  .hero-logo{width:150px;height:150px;}
}