:root{
  --bg1:#0b0b18;
  --bg2:#15152c;
  --card:#1a1a36;
  --border:#2e2e58;
  --text:#e9e9f4;
  --title:#f2f2ff;
  --accent:#7c5cff;
  --accent2:#9d7cff;
  --link:#9d7cff;
  --shadow:0 12px 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;
  --link:#5a3fe0;
  --shadow:0 12px 30px rgba(40,62,100,.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(180deg,var(--bg1),var(--bg2));
  color:var(--text);
  line-height:1.7;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:var(--link);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent2);text-decoration:underline}
img{max-width:100%;display:block;border-radius:10px;background:var(--card)}
h1,h2,h3{color:var(--title);line-height:1.35}
h2{font-size:1.7rem;margin-bottom:1rem}
h3{font-size:1.15rem;margin-bottom:.4rem}
p{color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:60px 0}
.section-head{text-align:center;margin-bottom:40px}
.section-head p{color:var(--text);opacity:.85;max-width:700px;margin:.5rem auto 0}

/* 进度条 */
#progress-bar{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));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,.7);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s,background .3s;
}
html[data-theme="light"] header.nav{background:rgba(246,248,255,.78)}
header.nav.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.35);border-bottom:1px solid var(--border)}
html[data-theme="light"] header.nav.scrolled{box-shadow:0 6px 24px rgba(40,62,100,.12)}
.nav-inner{max-width:1280px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--title);font-size:1rem;max-width:280px;line-height:1.25}
.logo img{width:38px;height:38px;border-radius:9px;flex:0 0 auto}
.nav-links{display:flex;gap:16px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-links a{color:var(--text);font-size:.92rem;padding:4px 2px;white-space:nowrap}
.nav-links a:hover{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:22px;padding:5px 12px}
.search-box input{background:transparent;border:none;outline:none;color:var(--text);width:130px;font-size:.88rem}
.search-box input::placeholder{color:var(--text);opacity:.55}
.search-box button{background:none;border:none;color:var(--accent2);cursor:pointer;font-size:.95rem}
.btn{
  display:inline-block;padding:9px 18px;border-radius:22px;font-size:.88rem;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;
  text-align:center;
}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.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{color:#fff;box-shadow:0 10px 24px rgba(124,92,255,.5)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--title)}
.btn-ghost:hover{color:var(--accent2);border-color:var(--accent2)}
.theme-btn{background:var(--card);border:1px solid var(--border);color:var(--text);border-radius:50%;width:38px;height:38px;cursor:pointer;font-size:1rem;transition:transform .2s}
.theme-btn:hover{transform:rotate(20deg)}
.hamburger{display:none;background:var(--card);border:1px solid var(--border);color:var(--title);width:40px;height:40px;border-radius:10px;font-size:1.2rem;cursor:pointer}
.mobile-menu{display:none;flex-direction:column;padding:10px 20px 20px;gap:10px;background:rgba(11,11,24,.95);border-bottom:1px solid var(--border)}
html[data-theme="light"] .mobile-menu{background:rgba(246,248,255,.97)}
.mobile-menu a{color:var(--text);padding:8px 0;border-bottom:1px dashed var(--border)}
.mobile-menu.open{display:flex}

/* Hero */
.hero{
  min-height:76vh;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:36px;box-shadow:var(--shadow);margin-bottom:26px;border:1px solid var(--border)}
.hero h1{font-size:2.4rem;max-width:900px;margin-bottom:14px}
.hero .slogan{font-size:1.15rem;color:var(--accent2);font-weight:600;margin-bottom:16px}
.hero .intro{max-width:720px;opacity:.92;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-bottom:44px}
.stats{display:flex;gap:50px;flex-wrap:wrap;justify-content:center}
.stat b{display:block;font-size:1.9rem;color:var(--accent2)}
.stat span{font-size:.88rem;opacity:.8}

/* 网格 */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  transition:transform .28s,box-shadow .28s,border-color .28s;position:relative;
}
.card:hover{transform:translateY(-8px);border-color:var(--accent2);box-shadow:var(--shadow)}
.manga-card .cover-wrap{position:relative;overflow:hidden}
.manga-card .cover-wrap img{width:100%;height:auto;aspect-ratio:220/310;object-fit:cover;border-radius:0}
.badge{position:absolute;top:10px;font-size:.72rem;padding:3px 9px;border-radius:12px;color:#fff;font-weight:600}
.badge-status{left:10px;background:rgba(124,92,255,.92)}
.badge-status.done{background:rgba(31,185,214,.92)}
.badge-read{right:10px;background:rgba(11,11,24,.72);border:1px solid var(--border)}
.manga-card .info{padding:14px}
.manga-card .meta{font-size:.8rem;opacity:.82;margin-top:2px}
.manga-card .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.tag{font-size:.7rem;padding:2px 8px;border-radius:10px;background:rgba(124,92,255,.16);color:var(--accent2);border:1px solid var(--border)}

/* 精品推荐 */
.feature-list{display:flex;flex-direction:column;gap:22px}
.feature-item{display:flex;gap:22px;padding:18px;align-items:center}
.feature-item img{width:300px;height:200px;object-fit:cover;flex:0 0 auto}
.feature-item .ftext{flex:1}
.feature-item .fmeta{font-size:.84rem;opacity:.82;margin:6px 0}
.feature-item .ftags{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}

/* 详情 */
.detail-wrap{display:grid;grid-template-columns:280px 1fr;gap:0;border:1px solid var(--border);border-radius:18px;overflow:hidden;background:var(--card)}
.detail-side{background:linear-gradient(160deg,rgba(124,92,255,.22),rgba(31,185,214,.14));padding:36px 26px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.detail-side .num{font-size:4.4rem;font-weight:800;color:var(--accent2);line-height:1}
.detail-side .sum{font-size:1rem;color:var(--title);font-weight:600}
.detail-body{padding:34px 30px}
.detail-body p{margin-bottom:14px}
.detail-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}

/* 角色 */
.role-card{display:flex;gap:16px;padding:16px;align-items:flex-start}
.role-card img{width:180px;height:180px;object-fit:cover;flex:0 0 auto;border-radius:14px}
.role-card .rlabel{display:inline-block;font-size:.74rem;padding:2px 10px;border-radius:10px;background:rgba(31,185,214,.16);color:var(--accent2);border:1px solid var(--border);margin-bottom:6px}
.role-card .rmeta{font-size:.83rem;opacity:.85;margin:4px 0}

/* 平台 */
.platform-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:start}
.steps{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}
.step .snum{flex:0 0 34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.feature-squares{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.square{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;text-align:center;transition:transform .25s,border-color .25s}
.square:hover{transform:translateY(-6px);border-color:var(--accent2)}
.square b{display:block;color:var(--accent2);font-size:1.05rem;margin-bottom:6px}

/* 多端 */
.device-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.device-imgs{display:flex;gap:18px;justify-content:center}
.device-imgs img{width:180px;height:320px;object-fit:cover;border-radius:18px;border:1px solid var(--border);box-shadow:var(--shadow)}

/* 公告 */
.notice-card{padding:20px}
.notice-card .date{font-size:.78rem;color:var(--accent2);font-weight:600;margin-bottom:6px}
.notice-card p{font-size:.88rem;opacity:.88;margin-top:6px}

/* 指南 */
.guide-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:34px;align-items:start}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-item{display:flex;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.check-item .ck{color:var(--accent2);font-weight:700}

/* APP */
.app-download{text-align:center;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:50px 26px;box-shadow:var(--shadow)}
.app-download p{max-width:680px;margin:0 auto 26px}
.app-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 评论 */
.review-card{padding:18px}
.review-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;flex-wrap:wrap;gap:6px}
.review-head .uname{font-weight:700;color:var(--title)}
.review-head .utime{font-size:.78rem;opacity:.72}
.review-card p{font-size:.9rem;opacity:.9}

/* FAQ */
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--title);font-size:1rem;font-weight:600;padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q .arrow{transition:transform .3s;color:var(--accent2)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 20px 18px;font-size:.9rem;opacity:.9}

/* 侧边栏 */
.layout-side{display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:start}
aside .side-box{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:22px;position:sticky;top:84px}
aside .side-box h3{margin-bottom:14px;font-size:1.05rem}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.rank-list li{display:flex;gap:10px;align-items:center;font-size:.88rem}
.rank-num{flex:0 0 24px;height:24px;border-radius:7px;background:rgba(124,92,255,.16);color:var(--accent2);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem}
.rank-num.top{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.stat-list{display:flex;flex-direction:column;gap:12px}
.stat-row{display:flex;justify-content:space-between;font-size:.88rem;border-bottom:1px dashed var(--border);padding-bottom:8px}
.stat-row b{color:var(--accent2)}

/* 底部 */
footer{background:rgba(11,11,24,.6);border-top:1px solid var(--border);padding:50px 0 26px;margin-top:40px}
html[data-theme="light"] footer{background:rgba(238,242,251,.7)}
.foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:34px}
.foot-col h3{font-size:1rem;margin-bottom:14px}
.foot-col a{display:block;font-size:.86rem;color:var(--text);opacity:.88;margin-bottom:8px}
.foot-col a:hover{color:var(--accent2);opacity:1}
.foot-links{display:flex;gap:14px;flex-wrap:wrap;font-size:.84rem;padding:18px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:20px}
.foot-bottom{text-align:center;font-size:.82rem;opacity:.82;line-height:1.9}
.foot-bottom a{color:var(--link)}

/* 返回顶部 */
#back-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none;
  font-size:1.2rem;cursor:pointer;box-shadow:0 8px 22px rgba(124,92,255,.45);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform .3s;z-index:999;
}
#back-top.show{opacity:1;visibility:visible}
#back-top:hover{transform:translateY(-4px)}

@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .layout-side{grid-template-columns:1fr}
  aside .side-box{position:static}
  .nav-links{display:none}
  .search-box{display:none}
}
@media (max-width:820px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .feature-item{flex-direction:column}
  .feature-item img{width:100%;height:auto}
  .detail-wrap{grid-template-columns:1fr}
  .platform-wrap,.device-wrap,.guide-wrap{grid-template-columns:1fr}
  .feature-squares{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:1.8rem}
  .stats{gap:30px}
  .hamburger{display:block}
  .nav-right .btn-primary{display:none}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .role-card{flex-direction:column;align-items:center;text-align:center}
  .role-card img{width:140px;height:140px}
  .feature-squares{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-logo{width:150px;height:150px}
  .device-imgs img{width:140px;height:250px}
}