:root{
  --bg-start:#0b0b18;
  --bg-end:#15152c;
  --card:#1a1a36;
  --border:#2e2e58;
  --text:#e9e9f4;
  --title:#f2f2ff;
  --accent:#7c5cff;
  --accent-2:#9d7cff;
  --link:#9d7cff;
  --link-hover:#c4b0ff;
  --shadow:rgba(0,0,0,.5);
}
[data-theme="light"]{
  --bg-start:#f6f8ff;
  --bg-end:#eef2fb;
  --card:#ffffff;
  --border:rgba(40,62,100,.13);
  --text:#142033;
  --title:#0d0820;
  --accent:#6c4df6;
  --accent-2:#1fb9d6;
  --link:#6c4df6;
  --link-hover:#1fb9d6;
  --shadow:rgba(40,62,100,.15);
}
*{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;
  transition:background .3s,color .3s;
}
a{color:var(--link);text-decoration:none;transition:color .2s;}
a:hover{color:var(--link-hover);text-decoration:underline;}
img{display:block;max-width:100%;height:auto;}

/* 阅读进度条 */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  z-index:2000;transition:width .1s linear;
}

/* 导航 */
header.nav{
  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.nav{background:rgba(246,248,255,.78);}
header.nav.scrolled{
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 22px var(--shadow);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:18px;
}
.logo{
  font-size:19px;font-weight:800;color:var(--title);
  white-space:nowrap;letter-spacing:.5px;
}
.logo span{color:var(--accent-2);}
.nav-links{
  display:flex;gap:16px;flex:1;flex-wrap:nowrap;
  overflow:hidden;
}
.nav-links a{
  color:var(--text);font-size:14px;white-space:nowrap;
  padding:4px 2px;position:relative;
}
.nav-links a:hover{color:var(--accent-2);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:5px 12px;
}
.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:var(--text);opacity:.55;}
.search-box button{
  background:none;border:none;color:var(--accent-2);
  cursor:pointer;font-size:14px;padding:0 2px;
}
.theme-btn,.read-btn{
  border-radius:20px;cursor:pointer;font-family:inherit;
  border:1px solid var(--border);background:var(--card);color:var(--text);
  font-size:13px;padding:7px 14px;transition:.25s;
}
.theme-btn:hover{border-color:var(--accent);color:var(--accent-2);}
.read-btn{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;border:none;font-weight:700;
}
.read-btn:hover{opacity:.88;}
.hamburger{
  display:none;flex-direction:column;gap:5px;cursor:pointer;
  background:none;border:none;padding:6px;
}
.hamburger span{
  width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s;
}
.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 4px;font-size:15px;
  border-bottom:1px solid var(--border);
}
.mobile-menu a:hover{color:var(--accent-2);text-decoration:none;}

/* Hero */
.hero{
  min-height:78vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  padding:130px 20px 60px;position:relative;
}
.hero-logo{
  width:200px;height:200px;border-radius:44px;object-fit:cover;
  border:2px solid var(--border);
  box-shadow:0 18px 50px var(--shadow);
  margin-bottom:26px;
}
.hero h1{
  font-size:clamp(24px,4.2vw,44px);color:var(--title);
  font-weight:900;letter-spacing:.5px;margin-bottom:14px;
  max-width:900px;
}
.hero .slogan{
  font-size:clamp(15px,2vw,19px);color:var(--accent-2);
  font-weight:600;margin-bottom:16px;
}
.hero .intro{
  max-width:720px;font-size:15px;color:var(--text);
  margin-bottom:30px;opacity:.95;
}
.cta-group{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.btn{
  display:inline-block;padding:12px 26px;border-radius:26px;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s,box-shadow .2s,opacity .2s;
}
.btn:hover{transform:translateY(-3px);text-decoration:none;}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;box-shadow:0 10px 26px rgba(124,92,255,.4);
}
.btn-outline{
  background:var(--card);color:var(--text);
  border:1px solid var(--border);
}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-2);}
.hero-stats{
  display:flex;gap:46px;margin-top:48px;flex-wrap:wrap;justify-content:center;
}
.hero-stats div{text-align:center;}
.hero-stats strong{
  display:block;font-size:26px;color:var(--accent-2);font-weight:900;
}
.hero-stats span{font-size:13px;opacity:.9;}

/* 通用区块 */
section{padding:60px 20px;}
.container{max-width:1280px;margin:0 auto;}
.section-title{
  font-size:clamp(20px,3vw,30px);color:var(--title);
  font-weight:800;margin-bottom:10px;text-align:center;
}
.section-sub{
  text-align:center;font-size:14px;opacity:.85;margin-bottom:38px;
}

/* 热门漫画 */
.manga-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.manga-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;
}
.manga-card:hover{
  transform:translateY(-8px);
  border-color:var(--accent);
  box-shadow:0 16px 36px var(--shadow);
}
.manga-cover{position:relative;}
.manga-cover img{
  width:100%;height:auto;aspect-ratio:220/310;object-fit:cover;
}
.badge{
  position:absolute;top:10px;font-size:11px;padding:3px 9px;
  border-radius:10px;font-weight:700;color:#fff;
}
.badge-status{left:10px;background:var(--accent);}
.badge-status.done{background:#3a6b52;}
.badge-view{right:10px;background:rgba(0,0,0,.62);}
.manga-info{padding:14px;}
.manga-info h3{
  font-size:15px;color:var(--title);font-weight:800;
  margin-bottom:8px;line-height:1.4;
}
.manga-info p{font-size:12.5px;margin-bottom:3px;opacity:.92;}
.manga-info p b{color:var(--accent-2);font-weight:600;}

/* 精品推荐 */
.premium-list{display:flex;flex-direction:column;gap:24px;}
.premium-card{
  display:flex;gap:24px;background:var(--card);
  border:1px solid var(--border);border-radius:18px;
  padding:20px;transition:border-color .25s,transform .25s;
}
.premium-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.premium-card img{
  width:300px;height:200px;object-fit:cover;border-radius:12px;flex-shrink:0;
}
.premium-text h3{
  font-size:19px;color:var(--title);margin-bottom:10px;font-weight:800;
}
.premium-text p{font-size:14px;margin-bottom:8px;opacity:.94;}
.premium-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.tag{
  font-size:12px;padding:4px 12px;border-radius:14px;
  background:rgba(124,92,255,.16);color:var(--accent-2);
  border:1px solid var(--border);
}

/* 详细介绍 */
.detail-wrap{
  display:grid;grid-template-columns:300px 1fr;gap:32px;
  background:var(--card);border:1px solid var(--border);
  border-radius:20px;padding:32px;
}
.detail-side{
  background:linear-gradient(160deg,#0b0b18,#1f1f3d);
  border-radius:16px;padding:30px 24px;color:#e9e9f4;
}
[data-theme="light"] .detail-side{background:linear-gradient(160deg,#1a1a36,#2c2c55);}
.detail-side .num{
  font-size:76px;font-weight:900;line-height:1;
  color:var(--accent-2);margin-bottom:16px;
}
.detail-side h3{font-size:20px;color:#f2f2ff;margin-bottom:14px;}
.detail-side p{font-size:13.5px;opacity:.92;}
.detail-body h3{
  font-size:18px;color:var(--title);margin:22px 0 10px;font-weight:800;
}
.detail-body h3:first-child{margin-top:0;}
.detail-body p{font-size:14.5px;margin-bottom:12px;opacity:.95;}
.detail-features{
  display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;
}
.detail-features span{
  font-size:13px;padding:8px 18px;border-radius:20px;
  background:rgba(124,92,255,.15);color:var(--accent-2);
  border:1px solid var(--border);font-weight:600;
}

/* 角色 */
.role-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.role-card{
  display:flex;gap:18px;background:var(--card);
  border:1px solid var(--border);border-radius:16px;padding:18px;
  transition:border-color .25s,transform .25s;
}
.role-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.role-card img{
  width:180px;height:180px;object-fit:cover;border-radius:14px;flex-shrink:0;
}
.role-text h3{font-size:17px;color:var(--title);margin-bottom:8px;font-weight:800;}
.role-text .role-tag{
  display:inline-block;font-size:12px;padding:3px 12px;border-radius:12px;
  background:rgba(31,185,214,.16);color:var(--accent-2);
  margin-bottom:10px;font-weight:600;
}
.role-text p{font-size:13.5px;margin-bottom:6px;opacity:.94;}

/* 平台介绍 */
.platform-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:start;}
.platform-text p{font-size:14.5px;margin-bottom:14px;opacity:.95;}
.step-list{display:flex;flex-direction:column;gap:16px;}
.step-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:18px 20px;display:flex;gap:14px;
  transition:border-color .25s;
}
.step-item:hover{border-color:var(--accent);}
.step-num{
  font-size:20px;font-weight:900;color:var(--accent-2);
  min-width:34px;
}
.step-item h3{font-size:15px;color:var(--title);margin-bottom:4px;font-weight:700;}
.step-item p{font-size:13px;opacity:.92;}
.feature-blocks{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px;
}
.feature-block{
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:20px;text-align:center;
  transition:border-color .25s,transform .25s;
}
.feature-block:hover{border-color:var(--accent);transform:translateY(-4px);}
.feature-block strong{
  display:block;font-size:15px;color:var(--accent-2);margin-bottom:6px;
}
.feature-block span{font-size:13px;opacity:.9;}

/* 多端同步 */
.sync-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;}
.sync-text p{font-size:14.5px;margin-bottom:14px;opacity:.95;}
.sync-img img{
  width:100%;max-width:400px;height:auto;border-radius:18px;
  border:1px solid var(--border);margin:0 auto;
}

/* 公告 */
.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:border-color .25s,transform .25s;
}
.notice-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.notice-date{
  font-size:12px;color:var(--accent-2);font-weight:700;margin-bottom:8px;
}
.notice-card h3{font-size:15px;color:var(--title);margin-bottom:8px;font-weight:700;}
.notice-card p{font-size:13px;opacity:.92;}

/* 阅读指南 */
.guide-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:34px;align-items:start;}
.guide-text p{font-size:14.5px;margin-bottom:14px;opacity:.95;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:16px;
}
.check-item .check{
  color:var(--accent-2);font-weight:900;font-size:16px;
}
.check-item p{font-size:13.5px;opacity:.94;}

/* APP下载 */
.app-section{text-align:center;}
.app-section p{
  max-width:680px;margin:0 auto 26px;font-size:14.5px;opacity:.95;
}

/* 评论 */
.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:border-color .25s;
}
.comment-card:hover{border-color:var(--accent);}
.comment-head{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:10px;flex-wrap:wrap;gap:6px;
}
.comment-head strong{font-size:14px;color:var(--accent-2);}
.comment-head span{font-size:12px;opacity:.75;}
.comment-card p{font-size:13.5px;opacity:.94;}

/* FAQ */
.faq-list{max-width:860px;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;transition:border-color .25s;
}
.faq-item.open{border-color:var(--accent);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;
  color:var(--title);font-size:15px;font-weight:700;
  padding:18px 20px;cursor:pointer;font-family:inherit;
  display:flex;justify-content:space-between;gap:12px;
}
.faq-q .arrow{color:var(--accent-2);transition:transform .3s;}
.faq-item.open .arrow{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-a p{padding:0 20px 18px;font-size:13.5px;opacity:.94;}

/* 侧边栏布局 */
.main-layout{
  display:grid;grid-template-columns:1fr 320px;gap:34px;
  max-width:1280px;margin:0 auto;align-items:start;
}
.sidebar{display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:20px;
}
.side-card h3{
  font-size:16px;color:var(--title);margin-bottom:14px;font-weight:800;
  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:13.5px;
}
.rank-num{
  font-weight:900;font-size:14px;min-width:22px;
  color:var(--accent-2);
}
.rank-item a{color:var(--text);}
.rank-item a:hover{color:var(--accent-2);}
.stat-list{display:flex;flex-direction:column;gap:12px;}
.stat-row{
  display:flex;justify-content:space-between;font-size:13.5px;
}
.stat-row b{color:var(--accent-2);font-weight:800;}

/* 底部 */
footer{
  background:rgba(0,0,0,.25);border-top:1px solid var(--border);
  padding:50px 20px 26px;margin-top:40px;
}
[data-theme="light"] footer{background:rgba(40,62,100,.05);}
.footer-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;
}
.footer-col h3{
  font-size:15px;color:var(--title);margin-bottom:14px;font-weight:800;
}
.footer-col a{
  display:block;font-size:13px;color:var(--text);opacity:.92;
  margin-bottom:8px;
}
.footer-col a:hover{color:var(--accent-2);}
.friend-links{
  max-width:1280px;margin:30px auto 0;padding-top:22px;
  border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;font-size:13px;
}
.friend-links a{color:var(--link);}
.footer-bottom{
  max-width:1280px;margin:24px auto 0;padding-top:20px;
  border-top:1px solid var(--border);
  font-size:12.5px;opacity:.85;text-align:center;line-height:2;
}
.footer-bottom a{color:var(--link);margin:0 8px;}

/* 返回顶部 */
#back-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;
  border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-size:20px;font-weight:900;
  box-shadow:0 10px 26px rgba(124,92,255,.45);
  opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;
  z-index:1500;
}
#back-top.show{opacity:1;pointer-events:auto;}
#back-top:hover{transform:translateY(-4px);}

/* 响应式 */
@media(max-width:1100px){
  .manga-grid{grid-template-columns:repeat(3,1fr);}
  .main-layout{grid-template-columns:1fr;}
  .sidebar{position:static;}
}
@media(max-width:900px){
  .nav-links,.search-box,.read-btn{display:none;}
  .hamburger{display:flex;}
  .premium-card{flex-direction:column;}
  .premium-card img{width:100%;height:auto;aspect-ratio:300/200;}
  .detail-wrap{grid-template-columns:1fr;}
  .role-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-blocks{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:600px){
  .manga-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .hero{padding-top:110px;}
  .hero-stats{gap:26px;}
  .notice-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .feature-blocks{grid-template-columns:1fr;}
  .role-card{flex-direction:column;}
  .role-card img{width:100%;height:auto;aspect-ratio:1/1;}
}