:root{
  --bg:#120d18;
  --bg-2:#1a1322;
  --card:#221a2e;
  --card-2:#2b2139;
  --line:#3a2d4c;
  --txt:#f2ecf8;
  --txt-2:#b9aacb;
  --accent:#b07cff;
  --accent-2:#7c4dff;
  --gold:#ffc861;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3{line-height:1.25;font-weight:800}
h1{font-size:38px;letter-spacing:-.5px}
h2{font-size:28px;letter-spacing:-.3px}
h3{font-size:17px}
.wrap{width:min(1200px,92vw);margin:0 auto}
section{padding:76px 0;scroll-margin-top:96px}
.section-head{margin-bottom:34px}
.section-head p{color:var(--txt-2);margin-top:8px;max-width:640px}

/* ============ 吸顶导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;padding:14px 0;transition:padding .3s}
.site-header.shrink{padding:8px 0}
.nav-pill{
  display:flex;align-items:center;gap:18px;
  background:rgba(34,26,46,.92);
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 12px 9px 16px;
  transition:background .3s,box-shadow .3s,backdrop-filter .3s;
}
.site-header.shrink .nav-pill{
  background:rgba(34,26,46,.62);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 8px 28px rgba(0,0,0,.4);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;flex-shrink:0}
.brand img{height:32px;width:auto;border-radius:8px}
.nav-links{display:flex;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-links a{
  padding:7px 13px;border-radius:999px;font-size:14px;color:var(--txt-2);
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--txt)}
.nav-links a.active{background:rgba(176,124,255,.18);color:var(--accent)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;padding:12px 26px;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 6px 20px rgba(124,77,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(124,77,255,.5)}
.btn-ghost{border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{background:var(--card-2)}
.nav-dl{padding:9px 20px;font-size:14px;flex-shrink:0}
.burger{display:none;width:42px;height:42px;border-radius:50%;background:var(--card-2);align-items:center;justify-content:center;flex-direction:column;gap:5px;flex-shrink:0}
.burger span{display:block;width:17px;height:2px;background:var(--txt);border-radius:2px;transition:transform .25s,opacity .25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{display:none;position:fixed;inset:0;z-index:99;background:rgba(10,6,16,.6);backdrop-filter:blur(4px)}
.mobile-drawer.open{display:block}
.drawer-panel{
  position:absolute;top:76px;right:4vw;width:min(280px,88vw);
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:18px;display:flex;flex-direction:column;gap:4px;
  box-shadow:0 20px 50px rgba(0,0,0,.6);
}
.drawer-panel a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--txt-2)}
.drawer-panel a:hover,.drawer-panel a.active{background:rgba(176,124,255,.16);color:var(--accent)}
.drawer-panel .btn{margin-top:10px;padding:12px}

/* ============ Hero ============ */
.hero{padding-top:132px;padding-bottom:60px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-200px;right:-160px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,77,255,.28),transparent 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative}
.hero-copy h1{margin-bottom:14px}
.hero-copy h1 em{font-style:normal;color:var(--accent)}
.slogan{font-size:19px;font-weight:700;color:var(--gold);margin-bottom:10px}
.hero-lead{color:var(--txt-2);font-size:16px;max-width:480px;margin-bottom:24px}
.trust-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.trust-points span{
  font-size:13px;padding:7px 14px;border-radius:999px;
  background:rgba(176,124,255,.12);border:1px solid rgba(176,124,255,.28);color:#d8c8ff;
}
.trust-bar{
  display:flex;gap:22px;flex-wrap:wrap;padding:14px 20px;margin-bottom:28px;
  background:rgba(43,33,57,.6);border:1px solid var(--line);border-radius:14px;
}
.trust-bar div{font-size:13px;color:var(--txt-2)}
.trust-bar strong{display:block;font-size:19px;color:var(--txt)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:520px}
.collage{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;opacity:.5;filter:saturate(.8);transition:opacity .8s}
.collage.set-2{opacity:0}
.collage img{width:100%;height:100%;object-fit:cover;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.4)}
.phone{
  position:relative;z-index:2;width:260px;height:520px;border-radius:36px;
  background:#0b0710;border:7px solid #2c2338;box-shadow:0 30px 70px rgba(0,0,0,.65),0 0 0 1px rgba(255,255,255,.05);
  transform:perspective(1100px) rotateY(-12deg) rotateX(4deg);
  overflow:hidden;
}
.phone-notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:96px;height:20px;background:#2c2338;border-radius:0 0 14px 14px;z-index:3}
.phone-screen{position:absolute;inset:0;border-radius:29px;overflow:hidden;background:#161020}
.scroll-strip{display:flex;flex-direction:column;animation:autoScroll 22s linear infinite}
.scroll-strip img{width:100%;height:auto;flex-shrink:0;display:block}
@keyframes autoScroll{0%{transform:translateY(0)}100%{transform:translateY(-50%)}}

/* ============ 本周主推 ============ */
.feature-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);display:flex;flex-direction:column;
}
.big-card .cover{position:relative;overflow:hidden;aspect-ratio:16/11}
.big-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.big-card:hover .cover img{transform:scale(1.05)}
.big-card .cover-info{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(transparent,rgba(10,6,16,.92));
}
.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(176,124,255,.22);color:#dcc9ff;margin-right:6px}
.badge.gold{background:rgba(255,200,97,.16);color:var(--gold)}
.big-card .cover-info h3{font-size:21px;margin:8px 0 4px}
.big-card .hook{font-size:14px;color:var(--txt-2)}
.big-card .big-body{padding:16px 20px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.read-count{font-size:13px;color:var(--txt-2)}
.read-count strong{color:var(--gold);font-size:16px;margin-right:4px}
.small-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mini-card{
  position:relative;border-radius:14px;overflow:hidden;background:var(--card);
  border:1px solid var(--line);
}
.mini-card .cover{position:relative;overflow:hidden;aspect-ratio:3/4}
.mini-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.mini-card:hover .cover img{transform:scale(1.07)}
.mini-card .progress-overlay{
  position:absolute;inset:0;display:flex;align-items:flex-end;padding:12px;
  background:linear-gradient(transparent 45%,rgba(10,6,16,.9));
  opacity:0;transition:opacity .3s;font-size:12px;color:#e4d9f5;
}
.mini-card:hover .progress-overlay{opacity:1}
.mini-card .mini-body{padding:9px 10px 11px}
.mini-card h3{font-size:14px;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-meta{font-size:11px;color:var(--txt-2);display:flex;justify-content:space-between;gap:6px}
.status{color:var(--accent)}
.hook-sm{font-size:11px;color:#9c8cb0;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ============ 题材矩阵 ============ */
.genre-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.genre-block{
  border-radius:14px;overflow:hidden;background:var(--card);border:1px solid var(--line);
  cursor:pointer;transition:border-color .2s,transform .2s;
}
.genre-block:hover{border-color:var(--accent);transform:translateY(-3px)}
.genre-collage{display:grid;grid-template-columns:1fr 1fr;gap:2px;aspect-ratio:16/9;overflow:hidden}
.genre-collage img{width:100%;height:100%;object-fit:cover}
.genre-label{padding:11px 13px;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:700}
.genre-label span{font-size:12px;font-weight:400;color:var(--txt-2)}
.genre-panel{
  grid-column:1/-1;background:var(--card-2);border:1px solid var(--line);border-radius:14px;
  padding:20px;display:none;
}
.genre-panel.open{display:block}
.genre-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.genre-panel-head a{font-size:13px;color:var(--accent)}
.genre-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.genre-thumbs figure{border-radius:10px;overflow:hidden;background:var(--card);border:1px solid var(--line)}
.genre-thumbs img{width:100%;aspect-ratio:3/4;object-fit:cover}
.genre-thumbs figcaption{font-size:12px;padding:8px 9px;color:var(--txt-2)}

/* ============ 更新日历 ============ */
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.cal-col{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.cal-col.today{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 10px 28px rgba(124,77,255,.2)}
.cal-day{padding:12px 10px;text-align:center;border-bottom:1px solid var(--line);font-weight:700;font-size:14px}
.cal-col.today .cal-day{background:rgba(176,124,255,.16);color:var(--accent)}
.cal-day small{display:block;font-size:11px;font-weight:400;color:var(--txt-2);margin-top:2px}
.cal-slots{padding:10px 9px;display:flex;flex-direction:column;gap:9px}
.slot-time{font-size:11px;color:var(--gold);font-weight:700;letter-spacing:.5px}
.slot-item{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:12px;color:var(--txt-2)}
.follow-btn{
  font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);
  color:var(--txt-2);transition:all .2s;flex-shrink:0;
}
.follow-btn:hover{border-color:var(--accent);color:var(--accent)}
.follow-btn.on{background:rgba(176,124,255,.2);border-color:var(--accent);color:var(--accent)}

/* ============ 榜单 ============ */
.rank-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.rank-tab{
  padding:9px 22px;border-radius:999px;border:1px solid var(--line);
  font-size:14px;color:var(--txt-2);transition:all .2s;
}
.rank-tab.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent}
.rank-list{display:flex;flex-direction:column;gap:8px}
.rank-row{
  display:flex;align-items:center;gap:16px;padding:11px 16px;border-radius:12px;
  background:var(--card);border:1px solid transparent;transition:border-color .2s,background .2s;
}
.rank-row:hover{border-color:var(--line);background:var(--card-2)}
.rank-no{
  font-family:"SF Mono",Consolas,Menlo,monospace;font-size:26px;font-weight:800;
  color:#4b3b62;min-width:44px;text-align:center;flex-shrink:0;
}
.rank-row:nth-child(1) .rank-no{color:var(--gold)}
.rank-row:nth-child(2) .rank-no{color:#cfc4de}
.rank-row:nth-child(3) .rank-no{color:#d99a6c}
.rank-thumb{width:46px;height:62px;border-radius:7px;object-fit:cover;flex-shrink:0}
.rank-info{flex:1;min-width:0}
.rank-info h3{font-size:15px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info p{font-size:12px;color:var(--txt-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-score{font-size:15px;font-weight:700;color:var(--accent);font-family:"SF Mono",Consolas,monospace;flex-shrink:0}
.rank-tab-group{display:none}
.rank-tab-group.active{display:flex;flex-direction:column;gap:8px}

/* ============ 阅读器体验 ============ */
.reader-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.reader-features{display:flex;flex-direction:column;gap:8px}
.feat-item{
  display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:12px;
  border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s;text-align:left;width:100%;
}
.feat-item:hover{background:var(--card)}
.feat-item.active{background:var(--card);border-color:var(--accent)}
.feat-icon{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:rgba(176,124,255,.14);font-size:18px;
}
.feat-item h3{font-size:15px;margin-bottom:2px}
.feat-item p{font-size:13px;color:var(--txt-2)}
.reader-phone-wrap{display:flex;justify-content:center}
.reader-phone{
  width:250px;height:500px;border-radius:34px;background:#0b0710;border:7px solid #2c2338;
  position:relative;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.6);
  transition:filter .4s;
}
.reader-phone.night{filter:sepia(.35) brightness(.72) saturate(.8)}
.reader-strip{display:flex;flex-direction:column;animation:autoScroll 26s linear infinite}
.reader-strip img{width:100%;height:auto}
.reader-strip.paused{animation-play-state:paused}
.reader-phone.zoom .reader-strip img{transition:transform .5s}
.reader-phone.zoom .reader-strip img:hover{transform:scale(1.35)}

/* ============ 书架 ============ */
.shelf-card{
  background:linear-gradient(160deg,var(--card),#1b1428);
  border:1px solid var(--line);border-radius:24px;padding:34px;position:relative;
}
.shelf-inner{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.shelf-book{display:flex;flex-direction:column;gap:8px}
.shelf-book img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:9px;border:1px solid var(--line)}
.bar{height:5px;border-radius:99px;background:#332745;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.shelf-book small{font-size:11px;color:var(--txt-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.float-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.float-tags span{
  font-size:13px;padding:8px 16px;border-radius:999px;background:rgba(176,124,255,.12);
  border:1px solid rgba(176,124,255,.3);color:#d8c8ff;
}

/* ============ 品牌故事 + 数据 ============ */
.brand-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.brand-text p{color:var(--txt-2);margin-bottom:18px;font-size:15px}
.brand-text p strong{color:var(--txt)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat-box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.stat-box strong{display:block;font-size:26px;color:var(--accent);margin-bottom:4px}
.stat-box span{font-size:13px;color:var(--txt-2)}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:#0d0913;padding:52px 0 26px;font-size:13px}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-bottom:38px}
.footer-col h3{font-size:14px;margin-bottom:12px;color:var(--txt)}
.footer-col a,.footer-col p{display:block;color:#8b7da0;margin-bottom:9px;font-size:13px;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid #241b31;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;color:#6d607f;font-size:12px}
.footer-bottom a{color:#6d607f}
.footer-bottom a:hover{color:var(--accent)}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:12px;font-weight:700;color:var(--txt)}
.footer-brand img{height:26px;width:auto;border-radius:6px}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  h1{font-size:32px}
  h2{font-size:24px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{min-height:460px}
  .feature-grid{grid-template-columns:1fr}
  .big-card .cover{aspect-ratio:16/9}
  .genre-grid{grid-template-columns:repeat(3,1fr)}
  .reader-layout{grid-template-columns:1fr;gap:36px}
  .brand-grid{grid-template-columns:1fr;gap:32px}
  .shelf-inner{grid-template-columns:repeat(3,1fr)}
  .nav-links{display:none}
  .burger{display:flex}
  .nav-dl{display:none}
  .calendar{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  h1{font-size:26px}
  h2{font-size:21px}
  section{padding:54px 0}
  .hero{padding-top:112px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .phone{width:220px;height:440px}
  .hero-visual{min-height:400px}
  .small-cards{grid-template-columns:1fr 1fr}
  .genre-grid{grid-template-columns:repeat(2,1fr)}
  .genre-thumbs{grid-template-columns:repeat(2,1fr)}
  .calendar{grid-template-columns:1fr}
  .rank-row{gap:10px;padding:10px}
  .rank-no{font-size:20px;min-width:30px}
  .rank-thumb{width:40px;height:54px}
  .rank-info p{display:none}
  .stat-grid{grid-template-columns:1fr 1fr}
  .footer-cols{grid-template-columns:1fr 1fr;gap:24px}
  .shelf-card{padding:22px}
  .shelf-inner{grid-template-columns:repeat(2,1fr)}
}