/* roulang page: index */
:root{
  --bg-0:#0A0B0D;
  --bg-1:#101216;
  --bg-2:#171A20;
  --bg-3:#08090B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --brand-dim:rgba(31,224,180,.12);
  --accent:#FF6A45;
  --accent-dim:rgba(255,106,69,.14);
  --gold:#FFC857;
  --text-1:#F2F4F7;
  --text-2:#A8B0BC;
  --text-3:#6E7683;
  --radius-lg:14px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 0 0 1px var(--line), 0 18px 40px rgba(0,0,0,.55);
  --shadow-hover:0 0 0 1px rgba(31,224,180,.28), 0 24px 52px rgba(0,0,0,.62);
  --glow:0 0 18px rgba(31,224,180,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-sec:112px;
  --gap-sec-s:72px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Inter","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.2;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(31,224,180,.3);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.sec{padding:var(--gap-sec-s) 0;}
.sec-tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.sec-title{font-size:clamp(26px,3vw,38px);font-weight:800;}
.sec-title .dot{color:var(--brand);}
.sec-sub{margin-top:8px;color:var(--text-2);font-size:15px;line-height:1.7;}
.sec-more{flex:0 0 auto;font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px;padding-bottom:4px;border-bottom:1px solid var(--line);}
.sec-more:hover{color:var(--brand);border-color:var(--brand);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);box-shadow:var(--glow);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:0;cursor:pointer;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#05221B;box-shadow:0 8px 24px rgba(31,224,180,.22);}
.btn-primary:hover{color:#05221B;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 30px rgba(31,224,180,.4),var(--glow);}
.btn-ghost{background:transparent;color:var(--text-1);border:1px solid var(--line-strong);}
.btn-ghost:hover{background:rgba(31,224,180,.08);color:var(--brand);border-color:rgba(31,224,180,.5);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600;line-height:1.7;
  background:var(--brand-dim);color:var(--brand);border:1px solid rgba(31,224,180,.3);
}
.badge-accent{background:var(--accent-dim);color:var(--accent);border-color:rgba(255,106,69,.32);}
.badge-gold{background:rgba(255,200,87,.13);color:var(--gold);border-color:rgba(255,200,87,.32);}
.badge-line{background:transparent;color:var(--text-2);border-color:var(--line-strong);}

/* ============ 顶栏导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:72px;
  background:rgba(10,11,13,.9);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,11,13,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:rgba(31,224,180,.32);
  box-shadow:0 12px 34px rgba(0,0,0,.55);
}
.nav-inner{display:flex;align-items:center;height:72px;gap:28px;}
.nav-brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.01em;flex:0 0 auto;}
.nav-brand:hover{color:var(--text-1);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(145deg,var(--brand),#0FA98A);
  display:inline-flex;align-items:center;justify-content:center;
  color:#05221B;font-family:var(--font-num);font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(31,224,180,.3),0 8px 20px rgba(31,224,180,.2);
}
.brand-text{white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:8px;font-size:15px;color:var(--text-2);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{transform:scaleX(1);box-shadow:var(--glow);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);
  background:transparent;color:var(--text-1);cursor:pointer;font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:80;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .34s var(--ease);
  padding:88px 24px 32px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);box-shadow:-24px 0 60px rgba(0,0,0,.6);}
.mobile-drawer a{padding:14px 12px;border-radius:10px;color:var(--text-2);font-size:16px;border:1px solid transparent;}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:var(--brand);background:rgba(31,224,180,.07);border-color:rgba(31,224,180,.24);}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:70;opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-close{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:10px;background:transparent;border:1px solid var(--line-strong);color:var(--text-1);cursor:pointer;}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:84vh;display:flex;align-items:center;
  overflow:hidden;border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  animation:heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom{from{transform:scale(1);}to{transform:scale(1.06);}}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(10,11,13,.96) 0%,rgba(10,11,13,.86) 38%,rgba(10,11,13,.5) 66%,rgba(10,11,13,.72) 100%),
    linear-gradient(180deg,rgba(10,11,13,.7) 0%,rgba(10,11,13,.2) 42%,rgba(10,11,13,.96) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:120px 0 84px;}
.hero-copy{max-width:760px;}
.hero-title{
  font-size:clamp(38px,6vw,76px);font-weight:800;line-height:1.12;letter-spacing:-.02em;
  margin-bottom:22px;
}
.hero-title em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:clamp(16px,1.5vw,19px);color:var(--text-2);line-height:1.8;max-width:620px;margin-bottom:34px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  padding-top:26px;border-top:1px solid var(--line);max-width:760px;
}
.stat-num{font-family:var(--font-num);font-size:clamp(22px,2.6vw,32px);font-weight:700;color:var(--text-1);line-height:1.2;}
.stat-num span{color:var(--brand);}
.stat-lbl{margin-top:4px;font-size:13px;color:var(--text-3);letter-spacing:.03em;}
.hero-scroll{
  position:absolute;right:32px;bottom:34px;z-index:3;
  display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.18em;
  color:var(--text-3);text-transform:uppercase;font-family:var(--font-num);
}
.hero-scroll i{color:var(--brand);animation:bob 2s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0);}50%{transform:translateY(5px);}}

/* ============ 横滑轨道 ============ */
.rail{margin-bottom:44px;}
.rail:last-child{margin-bottom:0;}
.rail-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px;}
.rail-title{font-size:21px;font-weight:700;}
.rail-note{font-size:13px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.08em;}
.rail-track{
  display:flex;gap:18px;overflow-x:auto;padding:6px 2px 20px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:rgba(31,224,180,.4) transparent;
}
.rail-track::-webkit-scrollbar{height:6px;}
.rail-track::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px;}
.rail-track::-webkit-scrollbar-thumb{background:rgba(31,224,180,.42);border-radius:999px;}
.rail-track.alt{padding-left:44px;}
.poster-card{
  flex:0 0 auto;width:220px;background:var(--bg-2);border-radius:var(--radius-lg);
  padding:10px 10px 14px;box-shadow:var(--shadow-card);scroll-snap-align:start;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.poster-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.poster-thumb{position:relative;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:2/3;background:var(--bg-1);}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.poster-card:hover .poster-thumb img{transform:scale(1.06);}
.poster-thumb .badge{position:absolute;top:10px;left:10px;}
.poster-card h3{margin-top:12px;font-size:15px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.poster-card:hover h3{color:var(--brand);}
.poster-meta{margin-top:6px;font-size:12px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.03em;}

/* ============ 热播推荐（非对称栅格） ============ */
.spotlight{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.pick-lg{
  grid-column:span 6;position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);background:var(--bg-2);min-height:420px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.pick-lg:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.pick-lg img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .6s var(--ease);}
.pick-lg:hover img{transform:scale(1.05);}
.pick-lg-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,13,.1) 30%,rgba(10,11,13,.94) 100%);}
.pick-lg-body{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;}
.pick-lg h3{font-size:clamp(22px,2.4vw,30px);margin:14px 0 10px;}
.pick-lg p{color:var(--text-2);font-size:15px;line-height:1.75;max-width:460px;}
.pick-sm-col{grid-column:span 6;display:grid;grid-template-columns:1fr;gap:16px;}
.pick-sm{
  display:flex;gap:16px;background:var(--bg-2);border-radius:var(--radius-lg);padding:12px;
  box-shadow:var(--shadow-card);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.pick-sm:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.pick-sm img{width:88px;height:120px;object-fit:cover;border-radius:var(--radius-sm);flex:0 0 auto;}
.pick-sm-body{display:flex;flex-direction:column;justify-content:center;gap:8px;min-width:0;}
.pick-sm h4{font-size:16px;font-weight:700;line-height:1.5;}
.pick-sm:hover h4{color:var(--brand);}
.pick-sm p{font-size:13px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-sm-meta{font-size:12px;color:var(--text-3);font-family:var(--font-num);display:flex;gap:12px;flex-wrap:wrap;}
.pick-sm-meta i{color:var(--brand);margin-right:4px;}

/* ============ 片单分区 ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
  padding:8px 16px;border-radius:999px;font-size:14px;color:var(--text-2);
  border:1px solid var(--line-strong);background:transparent;cursor:pointer;
  transition:all .24s var(--ease);
}
.chip:hover{color:var(--brand);border-color:rgba(31,224,180,.5);background:rgba(31,224,180,.07);}
.chip.is-on{color:#05221B;background:var(--brand);border-color:var(--brand);font-weight:600;box-shadow:var(--glow);}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.card{
  background:var(--bg-2);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-1);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.card:hover .card-cover img{transform:scale(1.05);}
.card-cover .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1 1 auto;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.03em;}
.card-foot .go{color:var(--brand);font-family:var(--font-cn);font-size:13px;}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news-card{
  display:flex;gap:18px;background:var(--bg-1);border-radius:var(--radius-lg);padding:16px;
  box-shadow:var(--shadow-card);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-thumb{width:132px;height:112px;flex:0 0 auto;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px;}
.news-body h3{font-size:16px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover h3{color:var(--brand);}
.news-body p{font-size:13px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);font-family:var(--font-num);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);background:var(--bg-1);
}
.empty-state .lines{display:flex;flex-direction:column;gap:9px;align-items:center;margin-bottom:20px;}
.empty-state .lines span{display:block;height:6px;border-radius:999px;background:linear-gradient(90deg,rgba(31,224,180,.35),rgba(255,255,255,.05));}
.empty-state .lines span:nth-child(1){width:120px;}
.empty-state .lines span:nth-child(2){width:190px;}
.empty-state .lines span:nth-child(3){width:80px;}
.empty-state p{color:var(--text-2);font-size:15px;}

/* ============ 社会认同 ============ */
.proof{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.proof-item{
  background:linear-gradient(160deg,var(--bg-2),var(--bg-1));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
}
.proof-item i{font-size:20px;color:var(--brand);}
.proof-item h3{margin:14px 0 10px;font-size:17px;}
.proof-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.proof-num{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--gold);line-height:1.2;margin-bottom:6px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .24s var(--ease);}
.faq-item.is-open{border-color:rgba(31,224,180,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;cursor:pointer;
  padding:18px 22px;background:transparent;border:0;color:var(--text-1);font-size:16.5px;font-weight:600;
  min-height:60px;transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .bar{width:3px;height:20px;border-radius:2px;background:var(--brand);box-shadow:var(--glow);flex:0 0 auto;}
.faq-q .txt{flex:1 1 auto;}
.faq-q .ico{flex:0 0 auto;color:var(--text-3);transition:transform .24s var(--ease),color .24s var(--ease);}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 22px 22px 41px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(10,11,13,.96),rgba(10,11,13,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:46px 42px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-3);border-top:1px solid transparent;position:relative;margin-top:var(--gap-sec-s);}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,180,.7),rgba(255,106,69,.4),transparent);
}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 44px;}
.footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:800;margin-bottom:16px;}
.footer-about{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1);}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 160px;min-width:0;background:var(--bg-1);border:1px solid var(--line-strong);
  border-radius:10px;padding:11px 14px;color:var(--text-1);font-size:14px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.footer-form input::placeholder{color:var(--text-3);}
.footer-form input:focus{outline:0;border-color:var(--brand);box-shadow:var(--glow);}
.footer-note{font-size:12.5px;color:var(--text-3);margin-top:12px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(31,224,180,.08);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media screen and (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;}
  .sec{padding:var(--gap-sec) 0;}
}
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .pick-lg{grid-column:span 12;min-height:340px;}
  .pick-sm-col{grid-column:span 12;grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .proof{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px;}
  .hero-scroll{display:none;}
}
@media screen and (max-width:767px){
  body{font-size:16px;padding-top:64px;}
  .site-header,.nav-inner{height:64px;}
  .hero{min-height:76vh;}
  .hero-inner{padding:96px 0 64px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px;}
  .hero-cta{margin-bottom:40px;}
  .rail-track.alt{padding-left:2px;}
  .poster-card{width:170px;}
  .news-grid{grid-template-columns:1fr;}
  .pick-sm-col{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:14px;}
  .footer-main{grid-template-columns:1fr;padding:48px 0 32px;}
  .footer-bottom{justify-content:flex-start;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0B0D;
  --bg-1:#101216;
  --bg-2:#171A20;
  --bg-foot:#08090B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --brand-dim:rgba(31,224,180,.12);
  --accent:#FF6A45;
  --gold:#FFC857;
  --text-1:#F2F4F7;
  --text-2:#A8B0BC;
  --text-3:#6E7683;
  --radius-lg:14px;
  --radius-md:12px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 0 0 1px var(--line),0 18px 40px rgba(0,0,0,.55);
  --glow:0 0 18px rgba(31,224,180,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-y:112px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-1);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.015em;line-height:1.22;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
::selection{background:rgba(31,224,180,.28);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}
.section{padding:var(--section-y) 0;}
.section-sm{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
.section-head p{color:var(--text-2);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-family:var(--font-num);font-weight:600;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);box-shadow:var(--glow);border-radius:2px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,11,13,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:rgba(31,224,180,.28);background:rgba(8,9,11,.94);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.nav-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:18px;}
.nav-brand .brand-mark{
  width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),#0FA383);
  color:#05130F;display:grid;place-items:center;
  font-family:var(--font-num);font-weight:700;font-size:16px;
  box-shadow:0 0 16px rgba(31,224,180,.35);
}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--text-2);transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);transition:.24s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-links a.is-active{color:var(--text-1);}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1);box-shadow:var(--glow);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  background:transparent;border:1px solid var(--line);color:var(--text-1);font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#06231C;}
.btn-primary:hover{color:#06231C;transform:translateY(-2px);filter:brightness(1.07);box-shadow:var(--glow);}
.btn-ghost{border-color:var(--line-strong);color:var(--text-1);background:rgba(255,255,255,.02);}
.btn-ghost:hover{color:var(--text-1);border-color:rgba(31,224,180,.5);background:rgba(31,224,180,.08);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-block{width:100%;}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-dim);color:var(--brand);border:1px solid rgba(31,224,180,.28);
}
.badge-accent{background:rgba(255,106,69,.14);color:var(--accent);border-color:rgba(255,106,69,.32);}
.badge-mute{background:rgba(255,255,255,.05);color:var(--text-2);border-color:var(--line);}
.tag-chips{display:flex;flex-wrap:wrap;gap:10px;}
.tag-chips a{
  padding:7px 15px;border-radius:var(--radius-pill);font-size:13.5px;color:var(--text-2);
  border:1px solid var(--line);background:var(--bg-1);
  transition:.24s var(--ease);
}
.tag-chips a:hover{color:var(--brand);border-color:rgba(31,224,180,.45);background:rgba(31,224,180,.08);transform:translateY(-2px);}

/* 文章头部 */
.article-hero{
  position:relative;overflow:hidden;padding:56px 0 44px;
  background-image:linear-gradient(100deg,rgba(10,11,13,.96) 0%,rgba(10,11,13,.82) 46%,rgba(10,11,13,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(to bottom,rgba(10,11,13,0),var(--bg-0));pointer-events:none;}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  max-width:900px;margin:16px 0 20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:var(--text-3);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:13px;}

/* 布局 */
.article-layout{margin-top:0;}
.article-main{padding:56px 0 0;}
.article-cover{
  margin:0 0 40px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--bg-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{padding:12px 18px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);}

/* 正文排版 */
.article-body{font-size:17.5px;line-height:1.92;color:var(--text-2);max-width:760px;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body strong{color:var(--text-1);font-weight:600;}
.article-body h2{
  position:relative;padding-left:18px;margin:2.1em 0 .9em;
  font-size:clamp(21px,2.4vw,26px);font-weight:700;color:var(--text-1);line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(31,224,180,.55);
}
.article-body h3{font-size:19.5px;font-weight:700;color:var(--text-1);margin:1.7em 0 .7em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-1);margin:1.4em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:.55em;list-style:none;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 8px rgba(31,224,180,.5);
}
.article-body ol{counter-reset:olcount;}
.article-body ol li{counter-increment:olcount;}
.article-body ol li::before{
  content:counter(olcount,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--brand);
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--accent);
  background:rgba(255,255,255,.035);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-1);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-md);margin:1.6em 0;border:1px solid var(--line);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,224,180,.35);}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:.9em;
  background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;color:var(--gold);
}
.article-body pre{
  background:#0C0E12;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 18px;overflow-x:auto;margin:1.6em 0;
}
.article-body pre code{background:none;padding:0;color:var(--text-2);font-size:13.5px;line-height:1.7;}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:rgba(255,255,255,.04);color:var(--text-1);font-weight:600;}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 28px;border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);background:var(--bg-1);
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* 标签区 */
.article-tags{padding:40px 0 0;margin-top:40px;border-top:1px solid var(--line);}
.article-tags h3{font-size:15px;color:var(--text-3);font-weight:600;letter-spacing:.06em;margin-bottom:16px;text-transform:uppercase;}

/* 侧栏 */
.article-side{position:relative;}
.side-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);box-shadow:var(--glow);}
.side-list li + li{margin-top:14px;}
.side-list a{display:flex;gap:12px;align-items:center;}
.side-list img{
  width:64px;height:86px;object-fit:cover;border-radius:var(--radius-sm);
  border:1px solid var(--line);flex:0 0 auto;
  transition:transform .3s var(--ease);
}
.side-list a:hover img{transform:scale(1.04);}
.side-list .side-t{font-size:14.5px;font-weight:600;color:var(--text-1);line-height:1.45;display:block;}
.side-list a:hover .side-t{color:var(--brand);}
.side-list .side-m{font-size:12.5px;color:var(--text-3);margin-top:4px;display:block;}
.side-cta{background:linear-gradient(160deg,rgba(31,224,180,.1),var(--bg-1) 62%);}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:18px;}
@media (min-width:1025px){
  .article-side .side-card{position:sticky;top:96px;}
  .article-side .side-card:last-child{top:96px;}
}

/* 卡片 */
.card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(31,224,180,.35);box-shadow:0 0 0 1px rgba(31,224,180,.18),0 22px 44px rgba(0,0,0,.6);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.45;}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);padding-top:8px;border-top:1px solid var(--line);}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(8,9,11,.96),rgba(8,9,11,.72)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:52px;padding-bottom:52px;}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:8px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--bg-foot);border-top:1px solid var(--line);position:relative;margin-top:0;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,180,.75),transparent);
}
.footer-main{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),#0FA383);
  color:#05130F;display:grid;place-items:center;font-family:var(--font-num);font-weight:700;font-size:15px;
}
.footer-about{font-size:14px;color:var(--text-3);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--brand);}
.footer-form{display:flex;gap:10px;margin-bottom:10px;}
.footer-form input{
  flex:1;min-width:0;background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:10px 16px;color:var(--text-1);font-size:13.5px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.footer-form input::placeholder{color:var(--text-3);}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:var(--glow);}
.footer-note{font-size:12px;color:var(--text-3);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0 32px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:var(--radius-sm);display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:.24s var(--ease);
}
.footer-social a:hover{color:var(--brand);border-color:rgba(31,224,180,.45);background:rgba(31,224,180,.08);}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:90;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(102%);transition:transform .3s var(--ease);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border-radius:var(--radius-sm);border:1px solid var(--line);background:transparent;color:var(--text-1);}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  padding:13px 14px;border-radius:var(--radius-sm);font-size:15.5px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-links a:hover,.drawer-links a.is-active{
  color:var(--text-1);background:rgba(31,224,180,.08);border-color:rgba(31,224,180,.3);
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 覆盖 Foundation 默认味道 */
.grid-container{max-width:1280px;padding-left:32px;padding-right:32px;}
.grid-x.grid-margin-x > .cell{padding-left:14px;padding-right:14px;}
.button{background:var(--brand);color:#06231C;border-radius:var(--radius-pill);}
.button:hover{background:#22f2c3;color:#06231C;}
.accordion{background:transparent;}
.accordion-item{background:transparent;border:0;}
.accordion-title{border:0;background:transparent;color:var(--text-1);}
.accordion-content{border:0;background:transparent;color:var(--text-2);}

@media (max-width:1024px){
  :root{--section-y:80px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-grid;place-items:center;}
  .nav-actions .btn-sm{display:none;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .article-body{max-width:none;}
  .cta-band .container{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .container{padding:0 22px;}
  .grid-container{padding-left:22px;padding-right:22px;}
  .article-hero{padding:36px 0 32px;}
  .article-meta{gap:8px 16px;font-size:13px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .footer-main{grid-template-columns:1fr;padding:48px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .side-card{margin-bottom:16px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .article-title{font-size:27px;}
  .brand-text{font-size:16px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .side-list img{width:56px;height:76px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0B0D;
  --bg-1:#101216;
  --bg-2:#171A20;
  --bg-3:#08090B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --accent:#FF6A45;
  --gold:#FFC857;
  --text-1:#F2F4F7;
  --text-2:#A8B0BC;
  --text-3:#6E7683;
  --radius-card:14px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-card:0 0 0 1px var(--line), 0 18px 40px rgba(0,0,0,.55);
  --glow:0 0 18px rgba(31,224,180,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:112px;
  --container:1280px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Space Grotesk","Inter","PingFang SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--text-1);text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.2;color:var(--text-1);}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{padding:0 32px;}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  background:transparent;
  color:var(--text-1);
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:var(--brand);
  color:#06231C;
  box-shadow:0 12px 28px rgba(31,224,180,.18);
}
.btn-primary:hover{
  color:#06231C;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 16px 34px rgba(31,224,180,.28),var(--glow);
}
.btn-ghost{
  border-color:var(--line-strong);
  color:var(--text-1);
  background:rgba(255,255,255,.02);
}
.btn-ghost:hover{
  color:var(--text-1);
  background:rgba(31,224,180,.10);
  border-color:rgba(31,224,180,.55);
  transform:translateY(-2px);
}
.btn:active{transform:translateY(0) scale(.985);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:3px 10px;
  font-size:12.5px;
  font-weight:600;
  line-height:1.7;
  border-radius:6px;
  color:var(--brand);
  background:rgba(31,224,180,.12);
  border:1px solid rgba(31,224,180,.28);
}
.badge-accent{
  color:var(--accent);
  background:rgba(255,106,69,.12);
  border-color:rgba(255,106,69,.3);
}
.badge-gold{
  color:var(--gold);
  background:rgba(255,200,87,.12);
  border-color:rgba(255,200,87,.3);
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  font-size:13.5px;
  font-weight:600;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--bg-1);
  transition:all .24s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line-strong);}
.chip.is-on{
  color:#06231C;
  background:var(--brand);
  border-color:var(--brand);
  box-shadow:var(--glow);
}

.section{padding:var(--space-section) 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(26px,3vw,40px);
}
.section-head .sub{
  margin-top:10px;
  color:var(--text-2);
  font-size:15.5px;
  max-width:640px;
}
.section-link{
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.section-link:hover{color:var(--brand);gap:11px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,11,13,.84);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,11,13,.95);
  box-shadow:0 1px 0 rgba(31,224,180,.18),0 18px 40px rgba(0,0,0,.5);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:70px;
}
.nav-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:-.02em;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#12b892);
  color:#06231C;
  font-family:var(--font-num);
  font-size:18px;
  font-weight:800;
  box-shadow:0 0 18px rgba(31,224,180,.28);
}
.brand-text{
  font-size:19px;
  color:var(--text-1);
  font-family:var(--font-num),var(--font-sans);
}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-links a{
  position:relative;
  padding:9px 15px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  border-radius:var(--radius-pill);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:15px;
  right:15px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.045);}
.nav-links a.is-active{
  color:var(--text-1);
}
.nav-links a.is-active::after{
  opacity:1;
  transform:scaleX(1);
  box-shadow:0 0 12px rgba(31,224,180,.75);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:var(--text-1);
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:12px;
  transition:all .24s var(--ease);
}
.nav-toggle:hover{border-color:rgba(31,224,180,.5);color:var(--brand);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:88px 0 72px;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center 30%;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(10,11,13,.97) 0%,rgba(10,11,13,.78) 48%,rgba(10,11,13,.9) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:120px;
  background:linear-gradient(180deg,rgba(10,11,13,0),var(--bg-0));
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:22px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:var(--text-3);}
.page-hero h1{
  font-size:clamp(34px,5.2vw,56px);
  line-height:1.14;
  max-width:16em;
}
.page-hero h1 .hl{color:var(--brand);}
.page-hero .lead{
  margin-top:18px;
  max-width:660px;
  font-size:16.5px;
  color:var(--text-2);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:16px 44px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-stat .num{
  font-family:var(--font-num);
  font-size:clamp(24px,2.6vw,32px);
  font-weight:800;
  color:var(--text-1);
  line-height:1.2;
}
.hero-stat .num em{font-style:normal;color:var(--brand);font-size:.62em;margin-left:2px;}
.hero-stat .lbl{
  font-size:13.5px;
  color:var(--text-3);
  margin-top:2px;
}

/* ---------- 榜单布局 ---------- */
.rank-layout{margin-top:8px;}
.rank-filter{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.rank-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.rank-row{
  display:grid;
  grid-template-columns:72px 88px 1fr 138px;
  grid-template-areas:"num thumb info heat";
  align-items:center;
  gap:18px;
  padding:14px 20px 14px 14px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.rank-row:hover{
  transform:translateY(-4px);
  border-color:rgba(31,224,180,.36);
  box-shadow:var(--shadow-card),var(--glow);
}
.rank-num{
  grid-area:num;
  font-family:var(--font-num);
  font-size:44px;
  font-weight:800;
  line-height:1;
  text-align:center;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(31,224,180,.55);
  letter-spacing:-.03em;
}
.rank-row:nth-child(1) .rank-num{-webkit-text-stroke-color:var(--gold);text-shadow:0 0 22px rgba(255,200,87,.22);}
.rank-row:nth-child(2) .rank-num{-webkit-text-stroke-color:rgba(242,244,247,.6);}
.rank-row:nth-child(3) .rank-num{-webkit-text-stroke-color:var(--accent);}
.rank-thumb{
  grid-area:thumb;
  width:88px;
  height:120px;
  object-fit:cover;
  border-radius:10px;
  border:1px solid var(--line);
}
.rank-info{grid-area:info;min-width:0;}
.rank-info h3{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  transition:color .24s var(--ease);
}
.rank-row:hover .rank-info h3{color:var(--brand);}
.rank-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:10px;
}
.rank-meta{
  font-size:13px;
  color:var(--text-3);
}
.rank-desc{
  margin-top:9px;
  font-size:14.5px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rank-heat{
  grid-area:heat;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
}
.heat-value{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:800;
  color:var(--text-1);
}
.heat-value small{font-size:11.5px;color:var(--text-3);font-weight:600;margin-left:3px;}
.heat{
  width:120px;
  height:6px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);
  overflow:hidden;
}
.heat i{
  display:block;
  height:100%;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--brand),var(--accent));
  box-shadow:0 0 12px rgba(31,224,180,.4);
}

/* ---------- 侧栏 ---------- */
.side-sticky{
  position:sticky;
  top:94px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
}
.side-card h3{
  font-size:17px;
  margin-bottom:6px;
}
.side-card .side-sub{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:16px;
}
.mini-list{display:flex;flex-direction:column;}
.mini-list li{
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-no{
  flex:0 0 auto;
  width:22px;
  font-family:var(--font-num);
  font-size:14px;
  font-weight:800;
  color:var(--text-3);
}
.mini-list li:nth-child(-n+3) .mini-no{color:var(--accent);}
.mini-body{min-width:0;}
.mini-body b{
  display:block;
  font-size:14.5px;
  font-weight:700;
  color:var(--text-1);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.mini-body span{font-size:12.5px;color:var(--text-3);}
.side-cta{
  background:
    linear-gradient(160deg,rgba(31,224,180,.14),rgba(255,106,69,.08)),
    var(--bg-2);
  border:1px solid rgba(31,224,180,.28);
}
.side-cta h3{font-size:19px;}
.side-cta p{
  font-size:14px;
  color:var(--text-2);
  margin:10px 0 18px;
}

/* ---------- 非对称说明区 ---------- */
.split-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:34px;
  height:100%;
}
.split-card h3{
  font-size:23px;
  margin-bottom:14px;
}
.split-card > p{
  color:var(--text-2);
  font-size:15px;
}
.dim-list{margin-top:26px;display:flex;flex-direction:column;gap:20px;}
.dim-item{display:flex;flex-direction:column;gap:9px;}
.dim-top{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
}
.dim-top b{font-size:15.5px;font-weight:700;}
.dim-top span{
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  color:var(--brand);
}
.dim-bar{
  height:6px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.07);
  overflow:hidden;
}
.dim-bar i{
  display:block;
  height:100%;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,rgba(31,224,180,.85),rgba(31,224,180,.35));
}
.dim-item p{font-size:14px;color:var(--text-3);}
.rhythm-list{display:flex;flex-direction:column;gap:18px;margin-top:24px;}
.rhythm-item{
  display:flex;
  gap:14px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--bg-2);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.rhythm-item:hover{border-color:rgba(31,224,180,.3);transform:translateY(-3px);}
.rhythm-item i{
  flex:0 0 auto;
  font-size:16px;
  color:var(--brand);
  margin-top:5px;
}
.rhythm-item b{display:block;font-size:15px;margin-bottom:4px;}
.rhythm-item span{font-size:13.5px;color:var(--text-2);}

/* ---------- 名次异动节点 ---------- */
.move-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.move-card{
  position:relative;
  padding:26px 24px 24px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.move-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,106,69,.35);
  box-shadow:var(--shadow-card);
}
.move-card::before{
  content:"";
  position:absolute;
  left:24px;
  top:0;
  width:52px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),rgba(255,106,69,0));
}
.move-card .move-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:800;
  color:var(--accent);
  margin-bottom:14px;
}
.move-card h3{font-size:18px;margin-bottom:10px;}
.move-card p{font-size:14.5px;color:var(--text-2);}
.move-card .move-foot{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item.is-open{
  border-color:rgba(31,224,180,.34);
  background:var(--bg-2);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 22px 19px 20px;
  min-height:62px;
  font-size:16.5px;
  font-weight:700;
  color:var(--text-1);
  background:transparent;
  border:0;
  text-align:left;
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  box-shadow:0 0 12px rgba(31,224,180,.6);
}
.faq-q .faq-icon{
  flex:0 0 auto;
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  color:var(--brand);
  border:1px solid rgba(31,224,180,.4);
  font-size:13px;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background:rgba(31,224,180,.14);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px 22px;
  font-size:15.5px;
  color:var(--text-2);
}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;
  padding:68px 0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(8,9,11,.96),rgba(8,9,11,.82));
}
.cta-band .container{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,3vw,36px);max-width:20em;}
.cta-band p{
  margin-top:12px;
  color:var(--text-2);
  font-size:15.5px;
  max-width:640px;
}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-3);
  padding:72px 0 28px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(31,224,180,0),rgba(31,224,180,.75),rgba(255,106,69,.6),rgba(31,224,180,0));
}
.footer-main{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-about{
  font-size:14px;
  color:var(--text-3);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--text-1);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{
  font-size:14px;
  color:var(--text-2);
}
.footer-col ul a:hover{color:var(--brand);}
.footer-form{
  display:flex;
  gap:10px;
  margin-top:14px;
  flex-wrap:wrap;
}
.footer-form input{
  flex:1 1 170px;
  min-width:0;
  padding:11px 15px;
  border-radius:10px;
  background:var(--bg-1);
  border:1px solid var(--line);
  color:var(--text-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.footer-form input::placeholder{color:var(--text-3);}
.footer-form input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:var(--glow);
}
.footer-note{font-size:12.5px;color:var(--text-3);margin-top:12px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13.5px;
  color:var(--text-3);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;
  height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-2);
  background:var(--bg-1);
  transition:all .24s var(--ease);
}
.footer-social a:hover{
  color:var(--brand);
  border-color:rgba(31,224,180,.45);
  box-shadow:var(--glow);
  transform:translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--space-section:96px;}
}
@media (max-width:1023px){
  :root{--space-section:76px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;
    top:70px;
    right:0;
    width:290px;
    max-width:88vw;
    height:calc(100vh - 70px);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:24px 20px;
    background:var(--bg-1);
    border-left:1px solid var(--line);
    box-shadow:-24px 0 60px rgba(0,0,0,.6);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{
    padding:13px 16px;
    font-size:16px;
    border-radius:12px;
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{
    background:rgba(31,224,180,.12);
    color:var(--brand);
    box-shadow:inset 0 0 0 1px rgba(31,224,180,.32);
  }
  .nav-actions .btn-primary{display:none;}
  .footer-main{grid-template-columns:1fr 1fr;gap:36px;}
  .side-sticky{position:static;}
  .move-grid{grid-template-columns:1fr;gap:16px;}
}
@media (max-width:767px){
  .page-hero{padding:64px 0 56px;}
  .hero-stats{gap:14px 28px;}
  .rank-row{
    grid-template-columns:48px 68px 1fr;
    grid-template-areas:
      "num thumb info"
      "num thumb heat";
    row-gap:8px;
    padding:14px;
  }
  .rank-num{font-size:34px;}
  .rank-thumb{width:68px;height:94px;}
  .rank-heat{
    align-items:flex-start;
    flex-direction:row;
    gap:10px;
    width:auto;
  }
  .heat{width:96px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .split-card{padding:26px 22px;}
  .cta-band .container{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .footer-main{grid-template-columns:1fr;}
  .brand-text{font-size:17px;}
  .rank-row{grid-template-columns:38px 58px 1fr;}
  .rank-num{font-size:28px;-webkit-text-stroke-width:1.1px;}
  .rank-thumb{width:58px;height:80px;}
  .rank-info h3{font-size:17px;}
  .rank-desc{display:none;}
  .heat{width:78px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{flex:1 1 auto;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0B0D;
  --bg-1:#101216;
  --bg-2:#171A20;
  --bg-3:#08090B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --brand-soft:rgba(31,224,180,.12);
  --accent:#FF6A45;
  --accent-soft:rgba(255,106,69,.12);
  --gold:#FFC857;
  --text-1:#F2F4F7;
  --text-2:#A8B0BC;
  --text-3:#6E7683;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-card:0 0 0 1px var(--line),0 18px 40px rgba(0,0,0,.55);
  --glow:0 0 18px rgba(31,224,180,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Inter","Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
h1,h2,h3,h4{font-family:var(--font-sans);color:var(--text-1);margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:750;}
p{margin:0;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{max-width:1280px;margin:0 auto;padding:0 20px;width:100%;}
@media(min-width:1024px){.container{padding:0 32px;}}
.section{padding:72px 0;}
@media(min-width:1024px){.section{padding:112px 0;}}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,11,13,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(8,9,11,.94);}
.site-header.is-scrolled::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,180,.65),transparent);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px;}
.nav-brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#1FE0B4,#0C8B75);
  color:#06110E;font-weight:800;font-size:17px;font-family:var(--font-num);
  box-shadow:0 6px 18px rgba(31,224,180,.28);
}
.brand-text{font-size:18px;font-weight:750;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;font-weight:500;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);box-shadow:0 0 12px rgba(31,224,180,.6);
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line-strong);color:var(--text-1);font-size:17px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(4,5,6,.6);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;z-index:70;
}
body.nav-open .nav-backdrop{opacity:1;visibility:visible;}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#06110E;}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--line-strong);color:var(--text-1);background:transparent;}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);}
.btn-sm{padding:9px 18px;font-size:14px;}
.tag,.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.6;letter-spacing:.04em;font-weight:600;
  padding:3px 10px;border-radius:6px;
}
.tag{color:var(--brand);background:var(--brand-soft);border:1px solid rgba(31,224,180,.3);}
.badge-accent{color:#1A0C07;background:var(--accent);border:1px solid var(--accent);}
.badge-gold{color:#231A05;background:var(--gold);border:1px solid var(--gold);}

/* ============ 分类页首屏 ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  transform:scale(1.04);opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,11,13,.96) 0%,rgba(10,11,13,.82) 46%,rgba(10,11,13,.62) 100%),
             linear-gradient(180deg,rgba(10,11,13,.5) 0%,rgba(10,11,13,.9) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:76px 0 60px;}
@media(min-width:1024px){.page-hero-inner{padding:96px 0 76px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--brand);
  text-transform:uppercase;font-weight:600;margin-bottom:20px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px;box-shadow:0 0 10px rgba(31,224,180,.7);}
.page-hero-title{
  font-size:clamp(34px,5.4vw,58px);
  font-weight:800;letter-spacing:-.025em;line-height:1.12;
  max-width:900px;
}
.page-hero-title .h1-sub{
  display:block;margin-top:14px;
  font-size:clamp(15px,1.6vw,19px);font-weight:500;
  letter-spacing:.01em;color:var(--text-2);line-height:1.6;
}
.page-hero-lead{
  margin-top:22px;max-width:660px;color:var(--text-2);
  font-size:16px;line-height:1.9;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:40px;}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{
  font-family:var(--font-num);font-size:clamp(30px,3.6vw,42px);
  font-weight:700;color:var(--text-1);line-height:1.1;letter-spacing:-.02em;
}
.hero-stats li:nth-child(2) strong{color:var(--brand);}
.hero-stats li:nth-child(3) strong{color:var(--gold);}
.hero-stats span{font-size:13px;color:var(--text-3);letter-spacing:.06em;}

/* ============ 区块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px;flex-wrap:wrap;}
.section-title{font-size:clamp(24px,3.2vw,36px);font-weight:750;letter-spacing:-.02em;}
.section-title span{color:var(--brand);}
.section-sub{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px;line-height:1.9;}
.section-more{color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.section-more:hover{color:var(--text-1);}

/* ============ 筛选 chips ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  padding:9px 20px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--text-2);background:var(--bg-1);border:1px solid var(--line);
  transition:all .24s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line-strong);transform:translateY(-1px);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#06110E;font-weight:600;box-shadow:var(--glow);}

/* ============ 片单卡片 ============ */
.cards-grid{display:flex;flex-wrap:wrap;margin:0 -12px;}
.cards-grid > .cell{padding:0 12px 24px;}
.media-card{
  background:var(--bg-2);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-card);height:100%;
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(31,224,180,.35),0 22px 48px rgba(0,0,0,.6),var(--glow);}
.media-cover{position:relative;display:block;aspect-ratio:2/3;overflow:hidden;background:var(--bg-1);}
.media-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.media-card:hover .media-cover img{transform:scale(1.05);}
.media-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,13,0) 45%,rgba(10,11,13,.85) 100%);
}
.media-cover .badge-accent,.media-cover .badge-gold{position:absolute;top:12px;left:12px;z-index:2;}
.media-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.media-title{font-size:19px;font-weight:700;}
.media-title a:hover{color:var(--brand);}
.media-desc{color:var(--text-2);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-meta{display:flex;align-items:center;gap:10px;color:var(--text-3);font-size:13px;margin-top:auto;padding-top:6px;border-top:1px solid var(--line);flex-wrap:wrap;}
.media-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}
.list-empty{
  display:none;text-align:center;padding:56px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--radius);color:var(--text-2);background:var(--bg-1);
}
.list-empty.is-show{display:block;}
.list-empty .empty-art{width:96px;height:2px;background:linear-gradient(90deg,transparent,var(--brand),transparent);margin:0 auto 20px;}

/* ============ 分页 ============ */
.pager{margin-top:28px;display:flex;justify-content:center;}
.pagination{margin:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;}
.pagination li{margin:0;}
.pagination a,.pagination span,.pagination .current,.pagination li.disabled{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 14px;border-radius:10px;
  background:var(--bg-1);border:1px solid var(--line);color:var(--text-2);
  font-size:14px;transition:all .24s var(--ease);
}
.pagination a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.pagination .current{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);font-weight:700;box-shadow:var(--glow);}
.pagination li.disabled{cursor:not-allowed;opacity:.55;}
.pagination li.disabled a,.pagination li.disabled span{opacity:.6;}

/* ============ 浏览路径 ============ */
.path-wrap{position:relative;}
.path-grid{display:flex;gap:24px;position:relative;margin-top:8px;}
.path-grid::before{
  content:"";position:absolute;top:26px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,rgba(31,224,180,.55),rgba(31,224,180,.12));
}
.path-card{
  position:relative;flex:1;background:var(--bg-2);border-radius:var(--radius);
  padding:28px 24px 26px;box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.path-card:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(31,224,180,.3),0 22px 46px rgba(0,0,0,.6);}
.path-node{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;margin-bottom:18px;
  background:var(--bg-0);border:1px solid rgba(31,224,180,.4);
  color:var(--brand);font-family:var(--font-num);font-size:18px;font-weight:700;
  box-shadow:0 0 0 6px rgba(10,11,13,.9);
}
.path-card h3{font-size:20px;margin-bottom:10px;}
.path-card p{color:var(--text-2);font-size:14.5px;line-height:1.85;}
.path-card .path-num{font-family:var(--font-num);color:var(--gold);font-size:13px;letter-spacing:.1em;}

/* ============ 场景图文 ============ */
.scene-visual{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);height:100%;min-height:260px;}
.scene-visual img{width:100%;height:100%;object-fit:cover;min-height:260px;}
.scene-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,13,.15),rgba(10,11,13,.72));}
.scene-visual .scene-cap{
  position:absolute;left:22px;bottom:20px;z-index:2;
  font-size:15px;font-weight:600;color:var(--text-1);
  display:flex;align-items:center;gap:10px;
}
.scene-visual .scene-cap::before{content:"";width:20px;height:2px;background:var(--brand);border-radius:2px;}
.scene-list{display:flex;flex-direction:column;gap:14px;}
.scene-item{
  display:flex;gap:18px;padding:20px 22px;border-radius:var(--radius);
  background:var(--bg-2);box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.scene-item:hover{transform:translateX(4px);box-shadow:0 0 0 1px rgba(31,224,180,.3),0 18px 40px rgba(0,0,0,.6);}
.scene-idx{
  font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--text-3);
  line-height:1.2;min-width:44px;
}
.scene-item:hover .scene-idx{color:var(--brand);}
.scene-item h3{font-size:17px;margin-bottom:6px;}
.scene-item p{color:var(--text-2);font-size:14.5px;line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.faq-item{
  background:var(--bg-2);border-radius:var(--radius);
  box-shadow:0 0 0 1px var(--line);overflow:hidden;
  transition:box-shadow .3s var(--ease);
}
.faq-item.is-open{box-shadow:0 0 0 1px rgba(31,224,180,.35),0 18px 40px rgba(0,0,0,.5);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:19px 24px 19px 26px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text-1);
  min-height:60px;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 10px rgba(31,224,180,.6);
}
.faq-q span{padding-left:14px;}
.faq-icon{
  position:relative;flex-shrink:0;width:20px;height:20px;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity .24s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease),opacity .24s var(--ease);opacity:0;}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a p{padding:0 26px 22px 40px;color:var(--text-2);font-size:15px;line-height:1.9;}

/* ============ CTA 通栏 ============ */
.cta-section{padding:72px 0;}
@media(min-width:1024px){.cta-section{padding:96px 0;}}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(90deg,rgba(10,11,13,.94) 0%,rgba(10,11,13,.78) 60%,rgba(10,11,13,.62) 100%),
             url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  padding:44px 32px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
@media(min-width:1024px){.cta-inner{padding:56px 48px;}}
.cta-inner h2{font-size:clamp(22px,3vw,32px);font-weight:750;letter-spacing:-.02em;}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:600px;line-height:1.9;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--bg-3);border-top:1px solid var(--line);padding:72px 0 28px;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,180,.75),transparent);
}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-about{color:var(--text-2);font-size:14px;line-height:1.95;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{color:var(--text-2);font-size:14px;}
.footer-col ul a:hover{color:var(--brand);}
.footer-form{display:flex;gap:8px;margin-top:6px;}
.footer-form input{
  flex:1;min-width:0;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:11px 14px;color:var(--text-1);font-size:14px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.footer-form input::placeholder{color:var(--text-3);}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:var(--glow);}
.footer-note{color:var(--text-3);font-size:12.5px;margin-top:12px;line-height:1.8;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  color:var(--text-2);font-size:14px;
}
.footer-social a:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}

/* ============ 动效 ============ */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
  .page-hero-bg{transform:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    background:linear-gradient(180deg,#101216,#0A0B0D);
    flex-direction:column;align-items:stretch;gap:2px;
    padding:96px 26px 40px;border-left:1px solid var(--line);
    transform:translateX(105%);transition:transform .32s var(--ease);z-index:75;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:16px;padding:14px 0;border-bottom:1px solid var(--line);}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--brand);}
  .nav-toggle{display:inline-flex;}
  .path-grid{flex-direction:column;}
  .path-grid::before{display:none;}
  .scene-visual{min-height:220px;}
  .scene-visual img{min-height:220px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .nav-actions .btn-sm{display:none;}
  .hero-stats{gap:28px;margin-top:32px;}
  .page-hero-inner{padding:64px 0 52px;}
  .media-cover{aspect-ratio:16/10;}
  .faq-a p{padding:0 20px 20px 24px;}
  .faq-q{padding:17px 20px 17px 22px;font-size:15.5px;}
  .cta-inner{padding:34px 24px;}
}
@media (max-width:519px){
  .cards-grid{margin:0 -8px;}
  .cards-grid > .cell{padding:0 8px 16px;}
  .footer-main{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0A0B0D;--bg-1:#101216;--bg-2:#171A20;--bg-3:#08090B;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;--accent:#FF6A45;--gold:#FFC857;
  --text-1:#F2F4F7;--text-2:#A8B0BC;--text-3:#6E7683;
  --radius-card:14px;--radius-img:12px;
  --shadow-card:0 0 0 1px var(--line),0 18px 40px rgba(0,0,0,.55);
  --glow:0 0 18px rgba(31,224,180,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Space Grotesk","Inter",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg-0);color:var(--text-1);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
button,input{font-family:inherit;font-size:inherit;}
button{-webkit-appearance:none;appearance:none;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.22;color:var(--text-1);}
p{margin:0;}
::selection{background:rgba(31,224,180,.28);}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#04211a;padding:10px 18px;border-radius:0 0 10px 0;font-weight:700;z-index:200;}
.skip-link:focus{left:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,11,13,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(0,0,0,.55);border-bottom-color:rgba(31,224,180,.28);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,#1FE0B4,#0d8b70);color:#04211a;font-weight:900;font-size:15px;
  box-shadow:var(--glow);font-family:var(--font-num);
}
.brand-text{white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{position:relative;padding:9px 14px;border-radius:999px;color:var(--text-2);font-size:15px;font-weight:500;}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:var(--glow);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text-1);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  color:var(--text-1);cursor:pointer;align-items:center;justify-content:center;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.nav-toggle:hover{border-color:rgba(31,224,180,.5);color:var(--brand);}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;padding:13px 26px;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#04211a;box-shadow:0 10px 26px rgba(31,224,180,.2);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow),0 16px 32px rgba(31,224,180,.26);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text-1);}
.btn-ghost:hover{background:rgba(31,224,180,.08);border-color:rgba(31,224,180,.5);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:120;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:22px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,6,8,.66);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s;z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line-strong);color:var(--text-2);cursor:pointer;}
.drawer-close:hover{color:var(--brand);border-color:rgba(31,224,180,.5);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:13px 14px;border-radius:12px;color:var(--text-2);font-size:16px;border:1px solid transparent;}
.drawer-links a:hover,.drawer-links a.is-active{background:rgba(31,224,180,.08);border-color:rgba(31,224,180,.28);color:var(--text-1);}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:58px 0 52px;border-bottom:1px solid var(--line);}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;transform:scale(1.02);animation:heroZoom 20s var(--ease) infinite alternate;
}
@keyframes heroZoom{from{transform:scale(1);}to{transform:scale(1.06);}}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,11,13,.97) 0%,rgba(10,11,13,.86) 46%,rgba(10,11,13,.56) 100%),
             linear-gradient(180deg,rgba(10,11,13,.45),rgba(10,11,13,.98));
}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a:hover{color:var(--brand);}
.crumb em{font-style:normal;color:var(--text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brand);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;box-shadow:var(--glow);}
.page-hero h1{
  margin:16px 0 18px;font-size:clamp(34px,5vw,58px);font-weight:800;line-height:1.12;letter-spacing:-.02em;
  max-width:16em;
}
.page-hero h1 span{color:var(--brand);}
.hero-lead{max-width:62ch;color:var(--text-2);font-size:16.5px;line-height:1.9;}
.hero-lead + .hero-lead{margin-top:12px;}
.hero-stats{margin-top:34px;}
.stat{
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:rgba(23,26,32,.66);backdrop-filter:blur(6px);
}
.stat strong{display:block;font-family:var(--font-num);font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--text-1);line-height:1.1;}
.stat span{display:block;margin-top:6px;font-size:12.5px;color:var(--text-3);letter-spacing:.02em;}

/* ---------- sections ---------- */
.section{padding:72px 0;}
@media (min-width:1024px){.section{padding:112px 0;}}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-top:12px;}
.section-head p{margin-top:10px;max-width:60ch;color:var(--text-2);font-size:15.5px;}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:14px;font-weight:600;}
.link-more:hover{color:var(--brand);}
.link-more i{transition:transform .24s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- featured ---------- */
.feature-card{
  display:grid;grid-template-columns:1.35fr 1fr;gap:0;overflow:hidden;
  border-radius:18px;background:var(--bg-2);box-shadow:var(--shadow-card);
}
.feature-media{position:relative;min-height:340px;overflow:hidden;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,13,0) 40%,rgba(10,11,13,.7));}
.feature-body{padding:38px 34px;display:flex;flex-direction:column;justify-content:center;gap:16px;}
.feature-body h3{font-size:clamp(21px,2.4vw,28px);}
.feature-body p{color:var(--text-2);font-size:15.5px;line-height:1.9;}
.feature-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13px;color:var(--text-3);font-family:var(--font-num);}

/* ---------- badges & chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.badge-brand{background:rgba(31,224,180,.12);border:1px solid rgba(31,224,180,.45);color:var(--brand);}
.badge-accent{background:rgba(255,106,69,.14);border:1px solid rgba(255,106,69,.45);color:#FF8A6C;}
.badge-gold{background:rgba(255,200,87,.13);border:1px solid rgba(255,200,87,.42);color:var(--gold);}
.badge-plain{background:rgba(255,255,255,.05);border:1px solid var(--line-strong);color:var(--text-2);}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  padding:8px 17px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.02);color:var(--text-2);font-size:13.5px;cursor:pointer;
  transition:all .24s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:rgba(31,224,180,.45);}
.chip.is-on{background:rgba(31,224,180,.12);border-color:rgba(31,224,180,.55);color:var(--brand);font-weight:600;}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- collage ---------- */
.collage{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.cl-card{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);background:var(--bg-2);display:block;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.cl-card:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(31,224,180,.3),0 22px 46px rgba(0,0,0,.6);}
.cl-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.cl-card:hover img{transform:scale(1.05);}
.cl-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,13,.05) 30%,rgba(10,11,13,.92) 100%);
}
.cl-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px 20px 18px;}
.cl-body h3{font-size:17px;margin-top:10px;transition:color .24s var(--ease);}
.cl-card:hover .cl-body h3{color:var(--brand);}
.cl-body p{color:var(--text-2);font-size:13.5px;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.c-main{grid-column:span 6;aspect-ratio:21/8;}
.c-mid{grid-column:span 3;aspect-ratio:16/11;}
.c-sm{grid-column:span 2;aspect-ratio:4/3;}
.c-main .cl-body{padding:26px 26px 24px;}
.c-main .cl-body h3{font-size:clamp(19px,2.3vw,26px);}
.c-sm .cl-body p{display:none;}

/* ---------- playlist cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.p-card{
  border-radius:var(--radius-card);background:var(--bg-2);box-shadow:var(--shadow-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.p-card:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(31,224,180,.3),0 22px 46px rgba(0,0,0,.6);}
.p-media{position:relative;aspect-ratio:2/3;overflow:hidden;}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.p-card:hover .p-media img{transform:scale(1.05);}
.p-media .badge{position:absolute;top:12px;left:12px;backdrop-filter:blur(6px);}
.p-body{padding:16px 16px 20px;display:flex;flex-direction:column;gap:9px;flex:1 1 auto;}
.p-body h3{font-size:15.5px;line-height:1.45;transition:color .24s var(--ease);}
.p-card:hover .p-body h3{color:var(--brand);}
.p-body p{font-size:13px;color:var(--text-3);line-height:1.7;}
.p-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);font-family:var(--font-num);}

/* ---------- path ---------- */
.path-line{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px;}
.path-line::before{
  content:"";position:absolute;top:26px;left:4%;right:4%;height:1px;
  background:linear-gradient(90deg,rgba(31,224,180,.55),rgba(31,224,180,.12));
}
.path-node{position:relative;padding-top:0;}
.path-dot{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  background:var(--bg-2);border:1px solid rgba(31,224,180,.4);color:var(--brand);
  font-family:var(--font-num);font-weight:700;font-size:17px;position:relative;z-index:2;
  box-shadow:0 0 0 6px var(--bg-0);
}
.path-node h3{font-size:16.5px;margin:18px 0 8px;}
.path-node p{color:var(--text-2);font-size:14px;line-height:1.85;}

/* ---------- related ---------- */
.related-cell{margin-bottom:20px;}
.r-card{
  display:flex;gap:16px;align-items:center;padding:16px;border-radius:var(--radius-card);
  background:var(--bg-2);box-shadow:var(--shadow-card);height:100%;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.r-card:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(31,224,180,.3),0 22px 46px rgba(0,0,0,.6);}
.r-card img{width:96px;height:120px;object-fit:cover;border-radius:var(--radius-img);flex:0 0 auto;}
.r-card h3{font-size:16px;transition:color .24s var(--ease);}
.r-card:hover h3{color:var(--brand);}
.r-card p{font-size:13px;color:var(--text-3);margin-top:8px;line-height:1.7;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:0.8fr 1.6fr;gap:48px;align-items:start;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--bg-1);
  margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item.is-open{border-color:rgba(31,224,180,.42);background:var(--bg-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;min-height:58px;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text-1);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:var(--brand);box-shadow:var(--glow);opacity:0;transition:opacity .24s var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border-radius:8px;
  border:1px solid var(--line-strong);color:var(--text-2);font-size:12px;
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .plus{transform:rotate(45deg);color:var(--brand);border-color:rgba(31,224,180,.5);}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 22px 20px 22px;color:var(--text-2);font-size:14.5px;line-height:1.9;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);
  background:var(--bg-1);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band .cta-bg{
  position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;filter:saturate(.85);
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,11,13,.94),rgba(10,11,13,.62));}
.cta-text{position:relative;z-index:2;max-width:56ch;}
.cta-text h2{font-size:clamp(22px,3vw,32px);}
.cta-text p{margin-top:12px;color:var(--text-2);font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);position:relative;margin-top:24px;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(31,224,180,0),rgba(31,224,180,.6),rgba(255,106,69,.4),rgba(31,224,180,0));
}
.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;}
.footer-about{margin-top:16px;color:var(--text-3);font-size:13.5px;line-height:1.9;max-width:34ch;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-1);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--text-3);font-size:14px;}
.footer-col ul a:hover{color:var(--brand);}
.footer-form{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 150px;min-width:0;background:var(--bg-1);border:1px solid var(--line-strong);
  border-radius:10px;padding:11px 14px;color:var(--text-1);font-size:14px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.footer-form input::placeholder{color:var(--text-3);}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:var(--glow);}
.footer-note{margin-top:10px;font-size:12px;color:var(--text-3);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line);color:var(--text-3);font-size:13px;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:all .24s var(--ease);
}
.footer-social a:hover{color:var(--brand);border-color:rgba(31,224,180,.5);box-shadow:var(--glow);}

/* ---------- reveal ---------- */
.js-ready .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.js-ready .reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .card-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-sm{display:none;}
  .feature-card{grid-template-columns:1fr;}
  .feature-media{min-height:260px;aspect-ratio:16/9;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .path-line{grid-template-columns:repeat(2,1fr);gap:26px 20px;}
  .path-line::before{display:none;}
  .footer-main{grid-template-columns:1fr 1fr;gap:34px;padding:48px 0 34px;}
}
@media (max-width:900px){
  .collage{grid-template-columns:repeat(2,1fr);}
  .c-main{grid-column:span 2;aspect-ratio:16/9;}
  .c-mid{grid-column:span 1;aspect-ratio:4/3;}
  .c-sm{grid-column:span 1;aspect-ratio:4/3;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .page-hero{padding:40px 0 38px;}
  .hero-lead{font-size:15.5px;}
  .stat{padding:13px 14px;}
  .cta-band{padding:30px 22px;}
  .r-card img{width:80px;height:104px;}
  .footer-main{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .collage{grid-template-columns:1fr;}
  .c-main,.c-mid,.c-sm{grid-column:span 1;aspect-ratio:4/3;}
  .c-main{aspect-ratio:16/10;}
  .card-grid{grid-template-columns:1fr;}
  .path-line{grid-template-columns:1fr;}
  .hero-stats .cell{margin-bottom:12px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .js-ready .reveal{opacity:1;transform:none;}
}