:root{
  --bg:#12121a;
  --bg-soft:#1a1a26;
  --card:#20202e;
  --line:#2e2e40;
  --text:#ececf4;
  --muted:#9a9ab0;
  --accent:#f0546a;
  --accent-soft:#ff8598;
  --purple:#8b6cf0;
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 18px;}

/* 吸顶导航 */
.nav{
  position:fixed;top:14px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1120px;z-index:100;
  transition:all .3s ease;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:10px 18px;border-radius:999px;
  background:rgba(28,28,42,.86);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:all .3s ease;
}
.nav.shrink{width:calc(100% - 80px);max-width:980px;}
.nav.shrink .nav-inner{
  padding:7px 16px;
  background:rgba(24,24,36,.72);
  backdrop-filter:blur(18px);
  box-shadow:0 8px 30px rgba(0,0,0,.4);
}
.logo-row{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;white-space:nowrap;}
.logo-row img{height:30px;width:auto;border-radius:7px;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  font-size:13.5px;color:var(--muted);padding:7px 12px;border-radius:999px;
  transition:all .2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-links a.active{color:#fff;background:rgba(240,84,106,.18);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:999px;font-weight:600;transition:all .2s;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),#e0324c);color:#fff;padding:9px 20px;font-size:14px;box-shadow:0 6px 18px rgba(240,84,106,.3);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(240,84,106,.42);}
.btn-ghost{border:1px solid var(--line);color:var(--text);padding:9px 20px;font-size:14px;background:rgba(255,255,255,.03);}
.btn-ghost:hover{background:rgba(255,255,255,.08);}
.burger{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:10px;}
.burger span{width:20px;height:2px;background:var(--text);border-radius:2px;}
.drawer{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:99;
  background:rgba(12,12,20,.96);padding:90px 26px 30px;
  flex-direction:column;gap:6px;
}
.drawer.open{display:flex;}
.drawer a{padding:14px 6px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer .btn-primary{margin-top:18px;padding:14px;}

/* 首屏 */
.hero{padding:130px 0 70px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-220px;right:-160px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(139,108,240,.24),transparent 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;position:relative;}
.hero-text h1{font-size:46px;line-height:1.18;letter-spacing:-.5px;margin-bottom:14px;}
.hero-text h1 em{font-style:normal;color:var(--accent-soft);}
.slogan{font-size:19px;font-weight:600;color:var(--accent-soft);margin-bottom:8px;}
.hero-desc{font-size:15px;color:var(--muted);max-width:460px;margin-bottom:22px;}
.trust-list{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px;margin-bottom:24px;}
.trust-list li{font-size:14px;color:var(--text);display:flex;align-items:center;gap:7px;}
.trust-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
.trust-bar{
  display:flex;align-items:center;gap:14px;font-size:13.5px;color:var(--muted);
  padding:12px 16px;border-radius:12px;background:var(--bg-soft);border:1px solid var(--line);
  margin-bottom:26px;flex-wrap:wrap;
}
.trust-bar b{color:var(--text);font-size:15px;}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;}

/* 手机样机 */
.phone-stage{position:relative;height:520px;display:flex;align-items:center;justify-content:center;}
.collage{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;opacity:.3;transform:scale(.94);}
.collage img{border-radius:10px;object-fit:cover;width:100%;height:100%;filter:saturate(.7);}
.collage .c-item{overflow:hidden;border-radius:10px;height:100%;}
.collage .c-item:nth-child(odd){transform:translateY(-12px);}
.collage .c-item:nth-child(even){transform:translateY(12px);}
.phone{
  position:relative;width:236px;height:470px;border-radius:34px;
  background:#0a0a10;border:5px solid #34344a;
  box-shadow:0 30px 60px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.05);
  transform:perspective(1100px) rotateY(-13deg) rotateX(4deg);
  overflow:hidden;z-index:2;
}
.phone::after{
  content:"";position:absolute;top:10px;left:50%;transform:translateX(-50%);
  width:70px;height:7px;border-radius:99px;background:#26263a;z-index:3;
}
.phone-screen{position:absolute;inset:0;overflow:hidden;border-radius:29px;}
.phone-track{display:flex;flex-direction:column;animation:scrollUp 16s linear infinite;}
.phone-track img{width:100%;height:auto;display:block;}
@keyframes scrollUp{
  0%{transform:translateY(0);}
  100%{transform:translateY(-50%);}
}

/* 区块通用 */
section{padding:64px 0;}
.sec-head{margin-bottom:30px;}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:2px;color:var(--accent-soft);
  padding:4px 12px;border-radius:999px;background:rgba(240,84,106,.12);margin-bottom:12px;
}
.sec-head h2{font-size:30px;line-height:1.3;letter-spacing:-.3px;}
.sec-head p{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:620px;}

/* 本周主推 */
.featured-grid{display:grid;grid-template-columns:7fr 5fr;gap:18px;}
.big-card{
  position:relative;border-radius:var(--radius);overflow:hidden;background:var(--card);
  border:1px solid var(--line);min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;
}
.big-card .cover{position:absolute;inset:0;z-index:1;}
.big-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.big-card:hover .cover img{transform:scale(1.05);}
.big-card .cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,10,18,.94) 12%,rgba(10,10,18,.4) 55%,transparent);
}
.big-info{position:relative;z-index:2;padding:24px;}
.tag{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:99px;
  background:rgba(240,84,106,.18);color:var(--accent-soft);margin-right:6px;
}
.big-info h3{font-size:23px;margin:10px 0 6px;}
.big-info .status{font-size:13px;color:var(--accent-soft);margin-bottom:6px;}
.big-info .hook{font-size:14px;color:#c8c8d6;margin-bottom:14px;}
.big-meta{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
.small-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.small-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,border-color .25s;
}
.small-card:hover{transform:translateY(-4px);border-color:rgba(240,84,106,.4);}
.small-card .thumb{aspect-ratio:3/4;overflow:hidden;position:relative;background:var(--bg-soft);}
.small-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.small-card:hover .thumb img{transform:scale(1.07);}
.progress-pop{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(10,10,18,.72);font-size:12.5px;color:#fff;opacity:0;transition:opacity .25s;
}
.small-card:hover .progress-pop{opacity:1;}
.small-info{padding:10px 12px 14px;}
.small-info h3{font-size:14.5px;font-weight:600;line-height:1.4;margin-bottom:5px;}
.small-info .state{font-size:12px;color:var(--accent-soft);margin-bottom:4px;}
.small-info .hook{font-size:12px;color:var(--muted);line-height:1.5;}

/* 题材矩阵 */
.genre-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.genre{
  position:relative;border-radius:14px;overflow:hidden;cursor:pointer;
  border:1px solid var(--line);height:118px;
}
.genre-bg{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;}
.genre-bg img{width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .4s,opacity .3s;}
.genre:hover .genre-bg img{transform:scale(1.08);opacity:.65;}
.genre-info{
  position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;
  padding:0 16px;background:linear-gradient(90deg,rgba(10,10,18,.82),rgba(10,10,18,.25));
}
.genre-info strong{font-size:17px;display:block;}
.genre-info span{font-size:12px;color:var(--muted);}
.genre-panel{display:none;grid-column:1/-1;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:18px;margin-top:2px;}
.genre-panel.open{display:block;}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.panel-top b{font-size:15px;}
.panel-top a{font-size:13px;color:var(--accent-soft);}
.panel-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.panel-thumbs .p-item img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;margin-bottom:6px;}
.panel-thumbs .p-item p{font-size:12.5px;color:var(--text);}

/* 更新日历 */
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;}
.day{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 11px;
}
.day.today{border-color:var(--accent);background:rgba(240,84,106,.08);}
.day h3{font-size:13.5px;margin-bottom:3px;}
.day .cnt{font-size:11.5px;color:var(--muted);margin-bottom:10px;}
.slot{font-size:11.5px;color:var(--accent-soft);margin:10px 0 6px;letter-spacing:.5px;}
.slot-item{
  display:flex;align-items:center;justify-content:space-between;gap:5px;
  padding:4px 0;border-bottom:1px dashed rgba(255,255,255,.06);
}
.slot-item:last-child{border-bottom:none;}
.slot-item .nm{font-size:12px;color:#cfcfdd;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mini-btn{font-size:11px;color:var(--muted);padding:2px 7px;border-radius:99px;border:1px solid var(--line);flex-shrink:0;}
.mini-btn.on{color:var(--accent);border-color:var(--accent);background:rgba(240,84,106,.12);}

/* 榜单 */
.tabs{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap;}
.tab{
  padding:8px 18px;border-radius:999px;font-size:13.5px;color:var(--muted);
  border:1px solid var(--line);background:transparent;transition:all .2s;
}
.tab.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.rank-panel{display:none;}
.rank-panel.active{display:block;}
.rank-list{display:flex;flex-direction:column;gap:10px;}
.rank-item{
  display:flex;align-items:center;gap:14px;padding:11px 14px;background:var(--card);
  border-radius:12px;border:1px solid var(--line);
  opacity:0;transform:translateY(8px);animation:fadeIn .4s forwards;
}
@keyframes fadeIn{to{opacity:1;transform:translateY(0);}}
.rank-num{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:22px;font-weight:700;
  color:var(--line);min-width:32px;text-align:center;
}
.rank-item:nth-child(1) .rank-num{color:var(--accent);}
.rank-item:nth-child(2) .rank-num{color:var(--accent-soft);}
.rank-item:nth-child(3) .rank-num{color:var(--purple);}
.rank-cover{width:46px;height:60px;border-radius:8px;object-fit:cover;flex-shrink:0;}
.rank-body{flex:1;min-width:0;}
.rank-body h3{font-size:14.5px;margin-bottom:2px;}
.rank-body .sub{font-size:12px;color:var(--muted);}
.rank-val{font-size:13px;color:var(--accent-soft);font-family:"SFMono-Regular",Consolas,monospace;flex-shrink:0;}

/* 阅读器 */
.reader-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;}
.feature-list{display:flex;flex-direction:column;gap:10px;}
.feature{
  display:flex;align-items:flex-start;gap:13px;padding:13px 15px;border-radius:12px;
  border:1px solid transparent;cursor:pointer;transition:all .2s;
}
.feature:hover{background:var(--bg-soft);border-color:var(--line);}
.feature.active{background:var(--bg-soft);border-color:var(--accent);}
.feat-icon{
  width:34px;height:34px;border-radius:10px;background:rgba(240,84,106,.14);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.feature b{display:block;font-size:14.5px;margin-bottom:2px;}
.feature p{font-size:12.5px;color:var(--muted);}
.reader-phone{
  width:230px;height:440px;margin:0 auto;border-radius:30px;background:#0a0a10;
  border:5px solid #34344a;overflow:hidden;position:relative;
  box-shadow:0 24px 50px rgba(0,0,0,.55);
}
.demo-track{display:flex;flex-direction:column;animation:demoScroll 14s linear infinite;}
.demo-track img{width:100%;display:block;}
@keyframes demoScroll{
  0%{transform:translateY(0);}
  100%{transform:translateY(-50%);}
}
/* 书架 */
.shelf-card{
  background:linear-gradient(160deg,#1e1e2c,#171722);border:1px solid var(--line);
  border-radius:22px;padding:30px 26px 34px;position:relative;
}
.shelf-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px;}
.shelf-tags span{
  font-size:12px;padding:5px 13px;border-radius:999px;
  background:rgba(139,108,240,.16);color:#c3b4ff;border:1px solid rgba(139,108,240,.3);
}
.shelf-row{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.shelf-book .bcover{aspect-ratio:3/4;border-radius:10px;overflow:hidden;margin-bottom:8px;}
.shelf-book .bcover img{width:100%;height:100%;object-fit:cover;}
.bar{height:4px;border-radius:99px;background:#2c2c3e;overflow:hidden;margin-bottom:5px;}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--purple));border-radius:99px;}
.shelf-book p{font-size:11.5px;color:var(--muted);}

/* 品牌故事 */
.story-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;}
.story-text p{font-size:14.5px;color:#c4c4d4;margin-bottom:16px;}
.story-text h3{font-size:16px;margin-bottom:7px;color:var(--text);}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start;}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;
}
.stat b{font-size:24px;display:block;color:var(--accent-soft);font-family:"SFMono-Regular",Consolas,monospace;}
.stat span{font-size:12.5px;color:var(--muted);}

/* 页脚 */
footer{border-top:1px solid var(--line);padding:44px 0 26px;background:#0d0d14;}
.foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-bottom:34px;}
.foot-col h4{font-size:13.5px;margin-bottom:12px;color:var(--text);}
.foot-col a,.foot-col p{display:block;font-size:12.5px;color:var(--muted);margin-bottom:7px;transition:color .2s;}
.foot-col a:hover{color:var(--accent-soft);}
.foot-bottom{
  border-top:1px solid var(--line);padding-top:18px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:11.5px;color:#6a6a80;
}
.foot-bottom a{color:#6a6a80;}
.foot-bottom a:hover{color:var(--muted);}
.update-time{font-size:11.5px;color:#6a6a80;}

/* 响应式 */
@media(max-width:1024px){
  .hero-text h1{font-size:38px;}
  .featured-grid{grid-template-columns:1fr;}
  .small-cards{grid-template-columns:repeat(4,1fr);}
  .genre-grid{grid-template-columns:repeat(3,1fr);}
  .calendar{grid-template-columns:repeat(4,1fr);}
  .shelf-row{grid-template-columns:repeat(3,1fr);}
  .reader-grid{grid-template-columns:1fr;gap:28px;}
  .story-grid{grid-template-columns:1fr;gap:28px;}
}
@media(max-width:768px){
  .nav-links,.nav .btn-primary{display:none;}
  .burger{display:flex;}
  .nav.shrink{width:calc(100% - 32px);}
  .hero{padding:110px 0 46px;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-text h1{font-size:31px;}
  .phone-stage{height:420px;}
  .phone{width:200px;height:400px;}
  section{padding:48px 0;}
  .sec-head h2{font-size:24px;}
  .small-cards{grid-template-columns:1fr 1fr;}
  .genre-grid{grid-template-columns:1fr 1fr;}
  .panel-thumbs{grid-template-columns:1fr 1fr;}
  .calendar{grid-template-columns:repeat(2,1fr);}
  .shelf-row{grid-template-columns:repeat(3,1fr);}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .rank-val{display:none;}
}
@media(max-width:480px){
  .genre-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
}