/* 51吃瓜 全局样式 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:#0B0B1A;
  color:#E8E8F0;
  line-height:1.7;
  font-size:16px;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:#FF4D8A;text-decoration:none;transition:color .2s}
a:hover{color:#FFB3C9}
a:focus-visible{outline:2px solid #FF4D8A;outline-offset:3px}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{color:#FFFFFF;font-weight:700;line-height:1.3}
h1{font-size:clamp(1.6rem,4vw,2.4rem);margin-bottom:1rem}
h2{font-size:clamp(1.3rem,3vw,1.8rem);margin-bottom:.8rem}
h3{font-size:1.15rem;margin-bottom:.6rem}
p{margin-bottom:1rem;color:#E8E8F0}
.secondary{color:#A0A0B8}
.muted{color:#6B6B80}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(max-width:480px){.container{padding:0 15px}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,11,26,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,45,106,.18);
  height:72px;
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;justify-content:space-between;
}
.header-left{display:flex;align-items:center;gap:20px}
.brand-logo{display:flex;align-items:center;flex-shrink:0}
.logo-img{height:36px;width:auto}
.logo-text{
  font-size:1.4rem;font-weight:800;
  background:linear-gradient(135deg,#FF4D8A,#9B4DFF);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.desktop-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:8px 14px;font-size:.92rem;color:#A0A0B8;border-radius:20px;
  transition:all .2s;white-space:nowrap;
}
.nav-link:hover{color:#FFFFFF;background:rgba(255,45,106,.1)}
.nav-link.active{
  color:#FFFFFF;background:rgba(255,77,138,.18);
  box-shadow:inset 0 -2px 0 #FF2D6A;
}
.header-right{display:flex;align-items:center;gap:10px}
.search-btn{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  color:#A0A0B8;border-radius:50%;transition:all .2s;
}
.search-btn:hover{color:#FF4D8A;background:rgba(255,45,106,.12)}
.header-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:20px;font-size:.88rem;font-weight:600;
  transition:all .2s;white-space:nowrap;
}
.list-btn{
  border:1px solid rgba(255,77,138,.45);color:#FFFFFF;
}
.list-btn:hover{background:rgba(255,77,138,.15);color:#FFFFFF}
.app-btn{
  background:linear-gradient(135deg,#FF4D8A 0%,#FF2D6A 50%,#E6005C 100%);
  color:#FFFFFF;box-shadow:0 4px 16px rgba(255,45,106,.3);
}
.app-btn:hover{filter:brightness(1.1);color:#FFFFFF}
.menu-toggle{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-bar{display:block;width:20px;height:2px;background:#E8E8F0;border-radius:1px;transition:all .2s}

/* 主体 */
.main-content{padding-top:0;min-height:60vh;padding-bottom:80px}
@media(min-width:901px){.main-content{padding-bottom:40px}}

/* 按钮通用 */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 28px;border-radius:24px;font-size:.95rem;font-weight:600;
  background:linear-gradient(135deg,#FF4D8A 0%,#FF2D6A 50%,#E6005C 100%);
  color:#FFFFFF;box-shadow:0 12px 36px rgba(255,45,106,.22);
  transition:all .2s;
}
.btn-primary:hover{filter:brightness(1.08);color:#FFFFFF;transform:translateY(-1px)}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 28px;border-radius:24px;font-size:.95rem;font-weight:600;
  border:1px solid rgba(255,77,138,.45);color:#FFFFFF;
  transition:all .2s;
}
.btn-secondary:hover{background:rgba(255,77,138,.12);color:#FFFFFF}

/* 卡片 */
.card{
  background:#12121F;border:1px solid rgba(255,45,106,.18);
  border-radius:16px;overflow:hidden;
  box-shadow:0 16px 48px rgba(0,0,0,.55);
  transition:border-color .2s,transform .2s;
}
.card:hover{border-color:rgba(255,77,138,.45)}
.card-body{padding:20px 24px}
.section{padding:48px 0}
.section-title{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:24px;flex-wrap:wrap;gap:12px;
}
.section-title h2{margin:0}
.section-more{font-size:.9rem;color:#FF4D8A}
.section-more:hover{color:#FFB3C9}

/* 频道快捷条 */
.channel-bar{
  background:#12121F;border-bottom:1px solid rgba(255,45,106,.12);
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-bar::-webkit-scrollbar{display:none}
.channel-bar-inner{
  max-width:1280px;margin:0 auto;padding:12px 20px;
  display:flex;gap:8px;white-space:nowrap;
}
.channel-bar a{
  padding:8px 16px;font-size:.88rem;color:#A0A0B8;
  border:1px solid rgba(255,45,106,.12);border-radius:20px;
  transition:all .2s;flex-shrink:0;
}
.channel-bar a:hover,.channel-bar a.active{
  color:#FFFFFF;background:rgba(255,77,138,.15);
  border-color:rgba(255,77,138,.45);
}

/* 首页首屏 */
.hero{
  padding:40px 0 20px;
  background:linear-gradient(180deg,#12121F 0%,#0B0B1A 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1.8fr 1fr;gap:28px;align-items:stretch;
}
.hero-visual{
  border-radius:20px;overflow:hidden;background:#1A1A2A;
  border:1px solid rgba(255,45,106,.18);
  min-height:360px;display:flex;align-items:center;justify-content:center;
  position:relative;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-placeholder{
  width:100%;height:100%;min-height:360px;
  background:linear-gradient(135deg,#1A1A2A 0%,#2A1A3A 50%,#1A1A2A 100%);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:40px;text-align:center;
}
.hero-placeholder .big-title{
  font-size:clamp(2rem,5vw,3.2rem);font-weight:800;
  background:linear-gradient(135deg,#FF4D8A,#9B4DFF);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;margin-bottom:12px;
}
.hero-side{
  display:flex;flex-direction:column;justify-content:center;gap:16px;
  background:#12121F;border-radius:20px;padding:28px 24px;
  border:1px solid rgba(255,45,106,.18);
}
.hero-side .brand-tag{
  display:inline-block;font-size:.8rem;color:#FF4D8A;
  background:rgba(255,45,106,.12);padding:4px 12px;border-radius:12px;
  margin-bottom:8px;
}
.hero-side h1{font-size:clamp(1.4rem,2.5vw,1.8rem);margin-bottom:12px}
.hero-side .intro{font-size:.95rem;color:#A0A0B8;margin-bottom:16px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.hero-recs{display:flex;flex-direction:column;gap:10px}
.hero-rec{
  display:flex;align-items:center;gap:10px;padding:10px 14px;
  background:#1A1A2A;border-radius:12px;border:1px solid rgba(255,45,106,.1);
  color:#E8E8F0;font-size:.9rem;transition:all .2s;
}
.hero-rec:hover{border-color:rgba(255,77,138,.4);color:#FFFFFF}
.hero-rec span{color:#FF4D8A;font-weight:700;flex-shrink:0}

/* 今日灵感胶囊 */
.inspiration-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;
}
.insp-item{
  background:#12121F;border:1px solid rgba(255,45,106,.15);
  border-radius:14px;padding:16px 18px;transition:all .2s;
}
.insp-item:hover{border-color:rgba(255,77,138,.4);transform:translateY(-2px)}
.insp-item h3{font-size:1rem;margin-bottom:6px;color:#FFB3C9}
.insp-item p{font-size:.88rem;color:#A0A0B8;margin:0}

/* 热点主推 */
.hot-main{
  display:grid;grid-template-columns:1.4fr 1fr;gap:24px;
}
.hot-feature{
  background:#12121F;border-radius:18px;overflow:hidden;
  border:1px solid rgba(255,45,106,.2);
}
.hot-feature-img{
  aspect-ratio:16/9;background:#1A1A2A;
  display:flex;align-items:center;justify-content:center;
}
.hot-feature-img img{width:100%;height:100%;object-fit:cover}
.hot-feature-body{padding:24px}
.tag{display:inline-block;font-size:.75rem;padding:3px 10px;border-radius:10px;margin-bottom:10px}
.tag-pink{background:rgba(255,45,106,.2);color:#FF4D8A}
.tag-purple{background:rgba(123,44,191,.25);color:#9B4DFF}
.hot-list{display:flex;flex-direction:column;gap:12px}
.hot-item{
  background:#12121F;border:1px solid rgba(255,45,106,.12);
  border-radius:14px;padding:16px 18px;transition:all .2s;
}
.hot-item:hover{border-color:rgba(255,77,138,.4)}
.hot-item h3{font-size:1rem;margin-bottom:6px}
.hot-item p{font-size:.88rem;color:#A0A0B8;margin:0}

/* 横向轨道 */
.track-scroll{
  display:flex;gap:16px;overflow-x:auto;padding-bottom:12px;
  -webkit-overflow-scrolling:touch;scrollbar-width:thin;
  scrollbar-color:rgba(255,45,106,.3) transparent;
}
.track-card{
  flex:0 0 260px;background:#12121F;border:1px solid rgba(255,45,106,.15);
  border-radius:16px;overflow:hidden;transition:all .2s;
}
.track-card:hover{border-color:rgba(255,77,138,.45);transform:translateY(-3px)}
.track-card-img{aspect-ratio:4/3;background:#1A1A2A}
.track-card-img img{width:100%;height:100%;object-fit:cover}
.track-card-body{padding:14px 16px}
.track-card-body h3{font-size:.98rem;margin-bottom:6px}
.track-card-body p{font-size:.85rem;color:#A0A0B8;margin:0}

/* 竖版编号目录 */
.num-list{display:flex;flex-direction:column;gap:14px}
.num-item{
  display:grid;grid-template-columns:60px 1fr;gap:16px;align-items:start;
  background:#12121F;border:1px solid rgba(255,45,106,.12);
  border-radius:14px;padding:18px 20px;transition:all .2s;
}
.num-item:hover{border-color:rgba(255,77,138,.4)}
.num-item .num{
  font-size:1.6rem;font-weight:800;
  background:linear-gradient(135deg,#FF4D8A,#9B4DFF);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.num-item h3{font-size:1.05rem;margin-bottom:6px}
.num-item p{font-size:.9rem;color:#A0A0B8;margin:0}

/* 杂志式不对称 */
.mag-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
}
.mag-item{
  background:#12121F;border:1px solid rgba(255,45,106,.15);
  border-radius:16px;padding:22px;transition:all .2s;
}
.mag-item:hover{border-color:rgba(255,77,138,.4)}
.mag-item.wide{grid-column:1/-1}
.mag-item h3{color:#FFB3C9;margin-bottom:10px}

/* 榜单编号 */
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  display:grid;grid-template-columns:70px 1fr auto;gap:16px;align-items:center;
  background:#12121F;border:1px solid rgba(255,45,106,.12);
  border-radius:14px;padding:18px 22px;transition:all .2s;
}
.rank-item:hover{border-color:rgba(255,77,138,.4)}
.rank-num{
  font-size:1.8rem;font-weight:800;color:#FF2D6A;
  text-align:center;
}
.rank-item h3{font-size:1.05rem;margin-bottom:4px}
.rank-item p{font-size:.88rem;color:#A0A0B8;margin:0}

/* 时间轨道 */
.timeline{
  display:flex;gap:16px;overflow-x:auto;padding-bottom:12px;
  -webkit-overflow-scrolling:touch;
}
.timeline-item{
  flex:0 0 220px;background:#12121F;border:1px solid rgba(255,45,106,.15);
  border-radius:14px;padding:18px;position:relative;
}
.timeline-item::before{
  content:'';position:absolute;top:0;left:20px;width:3px;height:100%;
  background:linear-gradient(180deg,#FF2D6A,transparent);opacity:.4;
}
.timeline-status{
  display:inline-block;font-size:.75rem;padding:3px 10px;border-radius:10px;
  margin-bottom:10px;
}
.status-done{background:rgba(155,77,255,.2);color:#9B4DFF}
.status-ing{background:rgba(255,45,106,.2);color:#FF4D8A}
.status-wait{background:rgba(107,107,128,.25);color:#A0A0B8}

/* 页脚 */
.site-footer{
  background:#05050A;border-top:1px solid rgba(255,45,106,.12);
  padding:48px 0 100px;color:#C8C8D8;
}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 20px}
.footer-brand{margin-bottom:32px}
.footer-logo{display:inline-block;margin-bottom:10px}
.footer-brand-name{font-size:1.2rem;font-weight:700;color:#FFFFFF;margin-bottom:6px}
.footer-brand-name .en{font-size:.85rem;color:#A0A0B8;font-weight:400;margin-left:8px}
.footer-desc{font-size:.9rem;color:#6B6B80;margin:0}
.footer-cols{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:32px;
}
.footer-col h3{font-size:.95rem;color:#FFFFFF;margin-bottom:14px}
.footer-col a{display:block;font-size:.88rem;color:#A0A0B8;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:#FF4D8A}
.footer-note{border-top:1px solid rgba(255,45,106,.1);padding-top:24px}
.footer-note p{font-size:.85rem;color:#6B6B80;margin-bottom:8px}
.copyright{color:#A0A0B8!important}

/* 频道面板 */
.channel-overlay,.search-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  z-index:1100;visibility:hidden;pointer-events:none;opacity:0;
  transition:opacity .25s,visibility .25s;
}
.channel-overlay.open,.search-overlay.open{
  visibility:visible;pointer-events:auto;opacity:1;
}
.channel-panel{
  position:fixed;top:0;right:0;width:min(460px,88vw);height:100%;
  background:#0B0B1A;z-index:1200;border-left:1px solid rgba(255,45,106,.2);
  transform:translateX(100%);visibility:hidden;pointer-events:none;
  transition:transform .3s ease,visibility .3s;
  display:flex;flex-direction:column;
}
.channel-panel.open{
  transform:translateX(0);visibility:visible;pointer-events:auto;
}
.panel-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid rgba(255,45,106,.15);
  flex-shrink:0;
}
.panel-close,.search-close{
  width:44px;height:44px;font-size:1.6rem;color:#A0A0B8;
  display:flex;align-items:center;justify-content:center;border-radius:50%;
}
.panel-close:hover,.search-close:hover{color:#FF4D8A;background:rgba(255,45,106,.1)}
.panel-body{flex:1;overflow-y:auto;padding:16px 20px 40px;-webkit-overflow-scrolling:touch}
.panel-group{margin-bottom:28px}
.panel-group h4{
  font-size:.8rem;color:#6B6B80;text-transform:uppercase;letter-spacing:1px;
  margin-bottom:12px;padding-left:4px;
}
.panel-item{
  display:block;padding:12px 14px;border-radius:12px;margin-bottom:4px;
  transition:background .2s;
}
.panel-item:hover{background:#1A1A2A}
.item-title{display:block;font-size:.98rem;color:#FFFFFF;font-weight:600;margin-bottom:2px}
.item-desc{display:block;font-size:.82rem;color:#6B6B80}

/* 搜索面板 */
.search-panel{
  position:fixed;top:72px;left:0;right:0;z-index:1200;
  background:#12121F;border-bottom:1px solid rgba(255,45,106,.2);
  max-height:0;overflow:hidden;visibility:hidden;pointer-events:none;
  transition:max-height .3s ease,visibility .3s;
}
.search-panel.open{
  max-height:80vh;visibility:visible;pointer-events:auto;overflow-y:auto;
}
.search-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px 0;max-width:1280px;margin:0 auto;
}
.search-body{padding:16px 20px 32px;max-width:1280px;margin:0 auto}
.search-input-wrap{margin-bottom:24px}
.search-input-wrap input{
  width:100%;height:52px;padding:0 20px;border-radius:26px;
  background:#1A1A2A;border:1px solid rgba(255,45,106,.25);
  color:#FFFFFF;font-size:1rem;outline:none;
}
.search-input-wrap input:focus{border-color:#FF4D8A}
.search-input-wrap input::placeholder{color:#6B6B80}
.search-section{margin-bottom:24px}
.search-section h4{font-size:.9rem;color:#A0A0B8;margin-bottom:12px}
.search-tags{display:flex;flex-wrap:wrap;gap:10px}
.search-tag{
  padding:8px 16px;background:#1A1A2A;border:1px solid rgba(255,45,106,.15);
  border-radius:20px;font-size:.88rem;color:#E8E8F0;transition:all .2s;
}
.search-tag:hover{border-color:#FF4D8A;color:#FF4D8A}
.search-links{display:flex;flex-wrap:wrap;gap:12px}
.search-links a{
  padding:8px 14px;background:#1A1A2A;border-radius:10px;
  font-size:.9rem;color:#A0A0B8;
}
.search-links a:hover{color:#FF4D8A}

/* 手机底部导航 */
.mobile-bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:900;
  background:rgba(8,8,18,.96);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,45,106,.18);
  padding:6px 0 calc(6px + env(safe-area-inset-bottom));
  justify-content:space-around;
}
.bottom-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:56px;min-height:48px;padding:4px 8px;color:#6B6B80;
  font-size:.7rem;transition:color .2s;
}
.bottom-item.active{color:#FF2D6A}
.bottom-icon{font-size:1.2rem;margin-bottom:2px}

/* 内页通用 */
.page-hero{
  padding:36px 0 24px;background:linear-gradient(180deg,#12121F,#0B0B1A);
  border-bottom:1px solid rgba(255,45,106,.1);
}
.page-hero h1{margin-bottom:10px}
.page-hero .lead{font-size:1.05rem;color:#A0A0B8;max-width:720px}
.page-content{padding:36px 0 60px}
.content-block{margin-bottom:40px}
.content-block h2{margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid rgba(255,45,106,.15)}
.article-card{
  background:#12121F;border:1px solid rgba(255,45,106,.12);
  border-radius:16px;padding:24px;margin-bottom:20px;
}
.article-card h3{margin-bottom:10px}
.article-card .meta{font-size:.85rem;color:#6B6B80;margin-bottom:12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* FAQ */
details{
  background:#12121F;border:1px solid rgba(255,45,106,.12);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
}
summary{
  padding:16px 20px;cursor:pointer;font-weight:600;color:#FFFFFF;
  list-style:none;display:flex;justify-content:space-between;align-items:center;
}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';font-size:1.2rem;color:#FF4D8A}
details[open] summary::after{content:'−'}
details p{padding:0 20px 16px;color:#A0A0B8;font-size:.95rem}

/* 面板打开锁定滚动 */
body.panel-open,body.search-open{overflow:hidden}

/* 响应式 */
@media(max-width:900px){
  .desktop-nav{display:none}
  .menu-toggle{display:flex}
  .list-btn{display:none}
  .hero-grid{grid-template-columns:1fr}
  .hero-side{order:-1}
  .hot-main{grid-template-columns:1fr}
  .mag-grid{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr 1fr;gap:20px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .mobile-bottom-nav{display:flex}
  .search-panel{top:0;height:100%;max-height:none;border-radius:0}
  .search-panel.open{max-height:none}
  .rank-item{grid-template-columns:50px 1fr}
  .rank-item .rank-link{display:none}
}
@media(max-width:600px){
  .header-inner{padding:0 12px}
  .app-btn{padding:0 14px;font-size:.82rem}
  .footer-cols{grid-template-columns:1fr}
  .num-item{grid-template-columns:48px 1fr}
  .track-card{flex:0 0 220px}
  .inspiration-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}
/* 装饰光晕 */
.glow-pink{
  box-shadow:0 0 40px rgba(255,45,106,.15);
}
.text-gradient{
  background:linear-gradient(135deg,#FF4D8A,#9B4DFF);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.placeholder-box{
  width:100%;aspect-ratio:16/9;background:linear-gradient(135deg,#1A1A2A,#2A1A3A);
  border-radius:12px;display:flex;align-items:center;justify-content:center;
  color:#6B6B80;font-size:.9rem;
}
.aspect-poster{aspect-ratio:2/3}
.aspect-wide{aspect-ratio:16/9}
.aspect-square{aspect-ratio:1}