/* roulang page: index */
:root{
  --bg:#0E1013;
  --bg-elev:#171B20;
  --bg-elev-2:#1F242B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F3F5F7;
  --text-2:#A9B2BD;
  --text-3:#6F7885;
  --primary:#3DDC97;
  --primary-ink:#06231A;
  --accent:#FF7A45;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.28);
  --shadow-2:0 16px 40px rgba(0,0,0,.38);
  --sp-1:12px;
  --sp-2:16px;
  --sp-3:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.05em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary);}
ul,ol{padding-left:1.1em;margin:0;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.015em;}
h1{font-size:clamp(30px,4.2vw,44px);font-weight:800;line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
::selection{background:rgba(61,220,151,.28);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:1030;background:transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;border-bottom:1px solid transparent;}
.site-header.scrolled{background:rgba(14,16,19,.92);backdrop-filter:blur(10px);border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(0,0,0,.32);}
.brand-row{display:flex;align-items:center;justify-content:space-between;height:64px;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#1E9C6B);display:inline-flex;align-items:center;justify-content:center;color:var(--primary-ink);font-size:16px;}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.02em;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);}
.hamburger{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;color:var(--text);display:inline-flex;align-items:center;justify-content:center;font-size:17px;}
.channel-row{border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:26px;height:52px;}
.channel-link{position:relative;color:var(--text-2);font-size:15px;padding:6px 0;display:inline-flex;align-items:center;min-height:44px;}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:3px;border-radius:3px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.channel-link:hover{color:var(--text);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--primary);font-weight:600;}
.channel-link.active::after{transform:scaleX(1);}

/* offcanvas */
.site-offcanvas{background:var(--bg-elev);color:var(--text);border-left:1px solid var(--line);width:300px;}
.site-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);}
.site-offcanvas .offcanvas-title{font-size:16px;font-weight:600;}
.site-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8;}
.m-channel{display:flex;align-items:center;min-height:48px;padding-left:14px;border-left:3px solid transparent;color:var(--text-2);font-size:16px;margin-bottom:4px;border-radius:0 var(--r-sm) var(--r-sm) 0;}
.m-channel:hover{background:var(--bg-elev-2);color:var(--text);}
.m-channel.active{color:var(--primary);border-left-color:var(--primary);background:rgba(61,220,151,.08);font-weight:600;}
.offcanvas-note{color:var(--text-3);font-size:13px;margin-top:18px;line-height:1.7;}

/* ============ buttons ============ */
.btn-brand,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:all .2s ease;white-space:nowrap;}
.btn-brand{background:var(--primary);color:var(--primary-ink);border:1px solid var(--primary);}
.btn-brand:hover{background:#4FE4A4;color:var(--primary-ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(61,220,151,.25);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line-strong);}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.text-link{color:var(--primary);font-size:14px;font-weight:600;border-bottom:2px solid transparent;padding-bottom:2px;transition:border-color .2s ease;}
.text-link:hover{border-bottom-color:var(--primary);}
@media (max-width:767px){
  .btn-brand,.btn-ghost{height:42px;padding:0 18px;font-size:14px;}
}

/* ============ sections ============ */
.section{padding:84px 0;}
.section-tight{padding:64px 0;}
@media (max-width:991px){.section{padding:64px 0;}.section-tight{padding:52px 0;}}
@media (max-width:767px){.section{padding:48px 0;}.section-tight{padding:44px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap;}
.section-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;max-width:620px;}
.eyebrow{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(61,220,151,.12);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.06em;}
.badge-tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(61,220,151,.12);color:var(--primary);letter-spacing:.03em;}
.badge-tag.hot{background:rgba(255,122,69,.14);color:var(--accent);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:clamp(420px,56vh,640px);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-color:var(--bg-elev);}
.hero-veil{position:absolute;inset:0;background:
  linear-gradient(135deg,rgba(61,220,151,.10),transparent 55%),
  linear-gradient(180deg,rgba(14,16,19,.58),rgba(14,16,19,.95));}
.hero-inner{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;width:100%;}
.hero h1{margin:16px 0 12px;max-width:14em;}
.hero-sub{color:var(--text-2);font-size:clamp(16px,1.4vw,18px);max-width:560px;line-height:1.8;margin-bottom:24px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line-strong);background:rgba(23,27,32,.6);color:var(--text-2);font-size:13px;}
.hero-meta span i{color:var(--primary);font-size:12px;}
.scroll-cue{position:absolute;right:28px;bottom:26px;z-index:3;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-strong);background:rgba(14,16,19,.5);color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;}
.scroll-cue:hover{color:var(--primary);border-color:var(--primary);}
@media (max-width:991px){.hero-inner{padding-top:56px;padding-bottom:64px;}.scroll-cue{display:none;}}
@media (max-width:767px){.hero{min-height:440px;}.hero-cta .btn-brand,.hero-cta .btn-ghost{flex:1 1 auto;}}

/* ============ rail ============ */
.rail-wrap{position:relative;}
.rail{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 20px 18px 0;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{flex:0 0 auto;width:clamp(160px,30vw,220px);scroll-snap-align:start;}
.rail-thumb{position:relative;aspect-ratio:2/3;border-radius:var(--r-md);overflow:hidden;background:var(--bg-elev-2);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.rail-card:hover .rail-thumb{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.rail-thumb img{width:100%;height:100%;object-fit:cover;}
.rail-thumb::after{content:"";position:absolute;inset:auto 0 0 0;height:62%;background:linear-gradient(180deg,transparent,rgba(14,16,19,.94));}
.rail-info{position:absolute;left:0;right:0;bottom:0;padding:12px;z-index:2;}
.rail-info h3{font-size:15px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px;}
.rail-info .meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);}
.rail-arrows{display:flex;gap:8px;}
.arrow-btn{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-strong);background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;}
.arrow-btn:hover{color:var(--primary);border-color:var(--primary);}
.arrow-btn[disabled]{opacity:.35;cursor:not-allowed;}
@media (max-width:767px){.rail{padding-right:16px;}.rail-card{width:clamp(150px,42vw,180px);}.rail-arrows{display:none;}}

/* ============ hot grid ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:991px){.grid-3{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:767px){.grid-3{grid-template-columns:1fr;}}
.hot-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;height:100%;}
.hot-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.hot-media{position:relative;aspect-ratio:16/9;background:var(--bg-elev-2);overflow:hidden;}
.hot-media img{width:100%;height:100%;object-fit:cover;}
.hot-rank{position:absolute;top:12px;left:12px;min-width:34px;height:28px;padding:0 9px;border-radius:var(--r-sm);background:rgba(255,122,69,.92);color:#1B0D05;font-weight:800;font-size:14px;display:inline-flex;align-items:center;justify-content:center;letter-spacing:.02em;}
.hot-body{padding:18px;}
.hot-body h3{font-size:18px;margin-bottom:8px;}
.hot-body p{color:var(--text-2);font-size:14px;line-height:1.7;margin-bottom:12px;}
.hot-foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);}

/* ============ playlists ============ */
.playlist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:991px){.playlist-grid{grid-template-columns:1fr;gap:20px;}}
.playlist{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-1);}
.playlist h3{font-size:17px;margin-bottom:4px;}
.playlist .pl-note{color:var(--text-3);font-size:13px;margin-bottom:14px;}
.pl-row{display:flex;align-items:center;gap:14px;padding:10px 0;border-top:1px solid var(--line);min-height:56px;transition:background .2s ease;}
.pl-row:first-of-type{border-top:0;}
.pl-row:hover{background:rgba(255,255,255,.03);}
.pl-thumb{flex:0 0 88px;width:88px;height:56px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-elev-2);border:1px solid var(--line);}
.pl-thumb img{width:100%;height:100%;object-fit:cover;}
.pl-text{min-width:0;flex:1;}
.pl-text .t{display:block;font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pl-text .m{display:flex;gap:10px;font-size:12px;color:var(--text-3);margin-top:3px;}

/* ============ cms list ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:991px){.news-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:767px){.news-grid{grid-template-columns:1fr;}}
.news-card{display:flex;flex-direction:column;background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-1);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;height:100%;}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.news-card h3{font-size:17px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{color:var(--text-2);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px;}
.empty-state{display:none;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 20px;border:1px dashed var(--line-strong);border-radius:var(--r-md);background:var(--bg-elev);text-align:center;}
.empty-state.show{display:flex;}
.empty-state i{font-size:26px;color:var(--primary);}
.empty-state p{color:var(--text-2);font-size:14px;margin:0;}

/* ============ accordion / faq ============ */
.faq-col{max-width:900px;margin:0 auto;}
.accordion-item{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md) !important;margin-bottom:10px;overflow:hidden;}
.accordion-button{background:var(--bg-elev);color:var(--text);font-size:16px;font-weight:600;padding:18px 20px;border:0;box-shadow:none !important;}
.accordion-button:not(.collapsed){color:var(--primary);background:var(--bg-elev);}
.accordion-button::after{background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;width:auto;height:auto;transition:transform .25s ease;color:currentColor;}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{color:var(--text-2);font-size:15px;line-height:1.8;padding:0 20px 20px;}

/* ============ cta band ============ */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:
  linear-gradient(135deg,rgba(61,220,151,.16),transparent 52%),
  linear-gradient(135deg,#161A1F,#0E1013 70%);}
.cta-inner{position:relative;z-index:2;padding:72px 0;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:620px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:767px){.cta-inner{padding:48px 0;}.cta-actions{width:100%;}.cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1 1 auto;}}

/* ============ footer ============ */
.site-footer{background:#0B0D10;border-top:1px solid var(--line);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;}}
.footer-col h4{font-size:14px;color:var(--primary);font-weight:600;margin-bottom:14px;letter-spacing:.04em;}
.footer-col p,.footer-col li{color:var(--text-2);font-size:14px;line-height:1.8;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:8px;}
.footer-col a{color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--text);}
.footer-bottom{margin-top:40px;border-top:1px solid var(--line);padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--text-3);}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* misc */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.fade-up.visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.fade-up{opacity:1;transform:none;transition:none;}}

/* roulang page: article */
:root{
  --bg:#0E1013;
  --bg-elev:#171B20;
  --bg-elev-2:#1F242B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F3F5F7;
  --text-2:#A9B2BD;
  --text-3:#6F7885;
  --primary:#3DDC97;
  --primary-hi:#63E9B0;
  --primary-ink:#06231A;
  --accent:#FF7A45;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.28);
  --shadow-2:0 16px 40px rgba(0,0,0,.38);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-hi)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.015em;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767.98px){.container{padding:0 16px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1035;
  background:rgba(14,16,19,.88);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(14,16,19,.94);
  border-bottom-color:var(--line);
  backdrop-filter:blur(12px);
}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.brand-logo:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(61,220,151,.22),rgba(61,220,151,.06));
  border:1px solid rgba(61,220,151,.35);
  color:var(--primary);font-size:15px;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.02em}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(61,220,151,.08)}
.hamburger{
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--bg-elev);border:1px solid var(--line);color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.hamburger:hover{border-color:var(--line-strong)}
.channel-row{border-top:1px solid var(--line);background:rgba(14,16,19,.55)}
.channel-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;height:52px;
  color:var(--text-2);font-size:15px;white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:9px;height:3px;border-radius:var(--r-pill);
  background:var(--primary);opacity:0;transform:scaleX(.4);transition:opacity .2s ease,transform .2s ease;
}
.channel-link:hover{color:var(--text)}
.channel-link.active{color:var(--primary)}
.channel-link.active::after{opacity:1;transform:scaleX(1)}
.nav-panel{background:var(--bg);color:var(--text);border-left:1px solid var(--line)!important;width:300px}
.nav-panel .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.nav-panel .offcanvas-title{font-size:15px;color:var(--text-2);font-weight:600}
.nav-panel .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.panel-link{
  display:block;padding:14px 16px;margin-bottom:8px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:15px;border-left:3px solid transparent;background:var(--bg-elev);
}
.panel-link:hover{color:var(--text);background:var(--bg-elev-2)}
.panel-link.active{color:var(--primary);border-left-color:var(--primary);background:rgba(61,220,151,.08)}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--primary);color:var(--primary-ink);font-weight:600;font-size:15px;border:0;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease;
}
.btn-brand:hover{background:var(--primary-hi);color:var(--primary-ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(61,220,151,.25)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line-strong);color:var(--text);font-weight:500;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.text-link{color:var(--primary);font-size:14px;border-bottom:2px solid transparent;padding-bottom:2px}
.text-link:hover{border-bottom-color:var(--primary)}
@media (max-width:767.98px){.btn-brand,.btn-ghost{height:42px;padding:0 18px;font-size:14px}}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(135deg,rgba(14,16,19,.94),rgba(14,16,19,.86)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  padding:44px 0 40px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;margin-bottom:18px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3)}
.crumb .current{color:var(--text-3);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.6;
  background:rgba(61,220,151,.12);color:var(--primary);
}
.tag.tag-accent{background:rgba(255,122,69,.12);color:var(--accent)}
.article-head h1{
  font-size:clamp(28px,4vw,40px);
  font-weight:800;
  line-height:1.25;
  max-width:920px;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);
}
.article-meta .dot{color:var(--text-3);opacity:.6}
.article-meta strong{color:var(--text-2);font-weight:500}

/* ---------- 文章主体 ---------- */
.article-main{padding:48px 0 0}
.cover-figure{margin:0 0 40px}
.cover-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg-elev-2);
}
.cover-figure figcaption{margin-top:12px;font-size:13px;color:var(--text-3)}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,8fr) 280px;gap:48px}
}
.article-body{min-width:0;color:#E2E6EA;font-size:16.5px;line-height:1.9}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.3em;color:#D8DDE3}
.article-body h2{
  position:relative;padding-left:16px;
  font-size:clamp(21px,2.2vw,26px);font-weight:700;color:var(--text);
  margin:2.2em 0 .8em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:20px;font-weight:600;margin:1.8em 0 .7em;color:var(--text)}
.article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .6em;color:var(--text-2)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.3em;list-style:revert}
.article-body li{margin-bottom:.5em;color:#D8DDE3}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;border:1px solid var(--line)}
.article-body blockquote{
  margin:1.8em 0;padding:16px 22px;
  border-left:3px solid var(--primary);
  background:var(--bg-elev);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{border-bottom:1px solid rgba(61,220,151,.4)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--bg-elev);color:var(--primary);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{
  background:var(--bg-elev-2);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--primary);
}
.article-body pre{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;overflow-x:auto;font-size:14px;
}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--primary);display:block;margin-bottom:14px}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:16px}
@media (min-width:1200px){
  .article-side{position:sticky;top:132px;align-self:start}
}
.side-card{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--shadow-1);
}
.side-title{font-size:14px;color:var(--primary);font-weight:600;margin-bottom:14px;letter-spacing:.02em}
.side-meta li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-3);padding:8px 0;border-bottom:1px dashed var(--line)}
.side-meta li:last-child{border-bottom:0}
.side-meta strong{color:var(--text-2);font-weight:500;text-align:right}
.side-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 12px;border-radius:var(--r-sm);color:var(--text-2);font-size:14px;
  background:var(--bg-elev-2);margin-bottom:8px;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.side-link:last-child{margin-bottom:0}
.side-link:hover{color:var(--primary);background:rgba(61,220,151,.08);transform:translateX(2px)}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:14px}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.rec-card{
  display:block;height:100%;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);color:var(--text);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);color:var(--text)}
.rec-card .thumb{position:relative;aspect-ratio:16/9;background:var(--bg-elev-2);overflow:hidden}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover}
.rec-card .thumb .badge-cat{
  position:absolute;top:10px;left:10px;
  padding:3px 10px;border-radius:var(--r-pill);font-size:12px;
  background:rgba(255,122,69,.16);color:var(--accent);backdrop-filter:blur(4px);
}
.rec-card .body{padding:16px 18px 20px}
.rec-card h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card p{font-size:13.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card .foot{margin-top:12px;font-size:12.5px;color:var(--text-3);display:flex;gap:10px;align-items:center}

/* ---------- 返回入口 ---------- */
.article-return{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  padding:32px 0 0;margin-top:48px;border-top:1px solid var(--line);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:#0B0D10;
  border-top:1px solid var(--line);
  padding:56px 0 0;
  font-size:14px;color:var(--text-2);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.footer-col h4{font-size:14px;color:var(--primary);font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-bottom:8px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:var(--text-2);font-size:14px}
.footer-col ul li a:hover{color:var(--primary)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);margin-bottom:14px}
.footer-brand:hover{color:var(--text)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:18px 0;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

.to-top{
  position:fixed;right:20px;bottom:24px;z-index:1040;
  width:44px;height:44px;border-radius:var(--r-pill);
  background:var(--bg-elev);border:1px solid var(--line-strong);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,color .2s ease,border-color .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--primary);border-color:var(--primary)}
@media (max-width:767.98px){
  .article-head{padding:32px 0 30px}
  .article-main{padding:36px 0 0}
  .cover-figure{margin-bottom:28px}
  .related{padding:52px 0 0}
  .site-footer{margin-top:64px;padding-top:44px}
}

/* roulang page: category1 */
:root{
  --bg:#0E1013;
  --bg-elev:#171B20;
  --bg-elev-2:#1F242B;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --text:#F3F5F7;
  --text-2:#A9B2BD;
  --text-3:#6F7885;
  --primary:#3DDC97;
  --primary-hi:#5FF0AE;
  --primary-ink:#06231A;
  --accent:#FF7A45;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.28);
  --shadow-2:0 16px 40px rgba(0,0,0,.38);
  --font:"Inter",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --header-h:64px;
}

/* ================= base ================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text);letter-spacing:.015em;font-weight:700}
h1{font-size:clamp(30px,4.2vw,44px);line-height:1.25;font-weight:800;letter-spacing:.01em}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:14px;line-height:1.5;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease}
a:hover{color:var(--primary-hi)}
a:focus-visible,button:focus-visible,
.accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(61,220,151,.3);color:#fff}
ul{list-style:none;margin:0;padding:0}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px}}

/* ================= buttons ================= */
.btn-brand,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--primary);color:var(--primary-ink)}
.btn-brand:hover{background:#4DE7A6;color:var(--primary-ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(61,220,151,.25)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.text-link{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--primary-hi);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* ================= header ================= */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:rgba(14,16,19,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.brand-row{border-bottom:1px solid var(--line)}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:18px;letter-spacing:.01em}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--primary);
  color:var(--primary-ink);
  font-size:16px;
}
.brand-text{white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:12px}
.icon-btn,
.menu-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:15px;
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover,.menu-btn:hover{color:var(--primary);border-color:var(--primary);background:rgba(61,220,151,.08)}

.channel-row{border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
}
.channel-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  border-radius:3px 3px 0 0;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.channel-link:hover{color:var(--text)}
.channel-link.active{color:var(--primary);font-weight:600}
.channel-link.active::after{transform:scaleX(1)}

/* mobile offcanvas */
.site-offcanvas{
  --bs-offcanvas-width:288px;
  --bs-offcanvas-bg:var(--bg-elev);
  --bs-offcanvas-color:var(--text);
  --bs-offcanvas-border-width:0;
  border-right:1px solid var(--line)!important;
}
.site-offcanvas .offcanvas-header{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.site-offcanvas .offcanvas-body{padding:10px 0}
.m-nav-link{
  display:block;
  padding:14px 20px;
  min-height:44px;
  color:var(--text-2);
  font-size:15px;
  border-left:3px solid transparent;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.m-nav-link:hover{color:var(--text);background:var(--bg-elev-2)}
.m-nav-link.active{color:var(--primary);border-left-color:var(--primary);background:rgba(61,220,151,.08);font-weight:600}
.close-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line-strong);
  color:var(--text-2);font-size:15px;cursor:pointer;
}
.close-btn:hover{color:var(--primary);border-color:var(--primary)}

/* ================= banner ================= */
.page-banner{
  position:relative;
  overflow:hidden;
  min-height:clamp(340px,44vh,460px);
  display:flex;
  align-items:flex-end;
  border-bottom:1px solid var(--line);
}
.banner-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.04);
}
.banner-shade{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(14,16,19,.82) 0%,rgba(14,16,19,.93) 58%,rgba(14,16,19,.99) 100%);
}
.banner-accent{
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 12% 88%,rgba(61,220,151,.16),transparent 46%);
  pointer-events:none;
}
.banner-inner{
  position:relative;
  z-index:2;
  padding-top:56px;
  padding-bottom:44px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:rgba(61,220,151,.12);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.page-banner h1{margin-bottom:12px}
.banner-sub{
  color:var(--text-2);
  font-size:16px;
  max-width:560px;
  margin-bottom:20px;
}
.banner-meta{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:12.5px;
  line-height:1.5;
}
.pill i{color:var(--primary);font-size:12px}

/* ================= sections ================= */
.section{padding:80px 0}
.section-tight{padding:56px 0}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:30px;
  flex-wrap:wrap;
}
.section-head .head-left{max-width:640px}
.section-head h2{margin-bottom:8px}
.section-head .sub{color:var(--text-2);font-size:14.5px;margin:0}
.title-bar{
  display:inline-block;
  width:34px;height:4px;border-radius:3px;
  background:var(--primary);
  margin-bottom:12px;
}

/* ================= channel tabs ================= */
.topic-tabs{
  border-bottom:1px solid var(--line);
  background:rgba(23,27,32,.6);
}
.tabs-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding-top:14px;
  padding-bottom:14px;
  overflow-x:auto;
  scrollbar-width:none;
}
.tabs-inner::-webkit-scrollbar{display:none}
.tab-pill{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--bg-elev);
  color:var(--text-2);
  font-size:14px;
  white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.tab-pill:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-1px)}
.tab-pill.active{
  background:rgba(61,220,151,.12);
  border-color:rgba(61,220,151,.4);
  color:var(--primary);
  font-weight:600;
}
.tabs-hint{margin-left:auto;color:var(--text-3);font-size:13px;white-space:nowrap}

/* ================= poster grid ================= */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:991px){
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
}
@media (max-width:575px){
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
}
.poster-card{
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.poster-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-2);
}
.poster-link{display:block;color:inherit}
.poster-link:hover{color:inherit}
.poster-media{
  position:relative;
  aspect-ratio:2/3;
  background:var(--bg-elev-2);
  overflow:hidden;
}
.poster-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.poster-card:hover .poster-media img{transform:scale(1.05)}
.poster-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,16,19,0) 38%,rgba(14,16,19,.55) 66%,rgba(14,16,19,.94) 100%);
}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1.6;
  font-weight:600;
}
.badge-cat.is-primary{background:rgba(61,220,151,.16);color:var(--primary)}
.badge-cat.is-accent{background:rgba(255,122,69,.16);color:var(--accent)}
.poster-tag{position:absolute;left:12px;top:12px;z-index:3}
.poster-count{
  position:absolute;right:12px;top:12px;z-index:3;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:rgba(14,16,19,.72);
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:12px;
}
.poster-caption{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:14px 14px 15px}
.poster-title{
  font-size:16px;
  font-weight:600;
  line-height:1.45;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0;
}
.poster-desc{
  margin:7px 0 0;
  font-size:12.5px;
  line-height:1.6;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.poster-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.poster-meta .hot i{color:var(--accent);margin-right:5px}

/* ================= pager ================= */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px;
  margin-top:44px;
}
.pager a,.pager span{
  min-width:44px;height:44px;
  padding:0 16px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:14px;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.pager a:hover{color:var(--text);border-color:var(--line-strong);background:var(--bg-elev)}
.pager .current{
  background:var(--primary);
  border-color:var(--primary);
  color:var(--primary-ink);
  font-weight:700;
}
.pager .dots{border-color:transparent;color:var(--text-3)}

/* ================= faq ================= */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-accordion .accordion-item{
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:10px;
  overflow:hidden;
}
.faq-accordion .accordion-button{
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  padding:17px 20px;
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  box-shadow:none;
  border:0;
}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:transparent;
  box-shadow:none;
}
.faq-accordion .accordion-button:hover{color:var(--primary)}
.faq-icon{
  margin-left:auto;
  flex:0 0 auto;
  color:var(--text-3);
  font-size:14px;
  transition:transform .25s ease,color .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed) .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-accordion .accordion-body{
  padding:0 20px 20px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}

/* ================= cta ================= */
.cta-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(135deg,rgba(61,220,151,.14) 0%,rgba(14,16,19,0) 48%,rgba(255,122,69,.12) 100%),var(--bg-elev);
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-copy{max-width:620px}
.cta-copy h2{margin-bottom:10px}
.cta-copy p{color:var(--text-2);font-size:15px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ================= footer ================= */
.site-footer{
  background:#0B0D10;
  border-top:1px solid var(--line);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text);
  font-size:17px;font-weight:700;
  margin-bottom:14px;
}
.footer-brand:hover{color:var(--text)}
.footer-col h4{
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.8;margin-bottom:10px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  color:var(--text-2);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  color:var(--text-3);
  font-size:12px;
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

/* ================= misc ================= */
.visually-hidden{
  position:absolute!important;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;padding:0;border:0;
}
@media (max-width:767px){
  .btn-brand,.btn-ghost{height:42px;padding:0 18px;font-size:14.5px}
  .banner-inner{padding-top:44px;padding-bottom:34px}
  .banner-sub{font-size:15px}
}

/* roulang page: category2 */
:root{
  --bg:#0E1013;
  --bg-elev:#171B20;
  --bg-elev-2:#1F242B;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --text:#F3F5F7;
  --text-2:#A9B2BD;
  --text-3:#6F7885;
  --primary:#3DDC97;
  --primary-ink:#06231A;
  --accent:#FF7A45;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 6px 18px rgba(0,0,0,.28);
  --shadow-2:0 16px 40px rgba(0,0,0,.38);
  --sect-gap:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0.015em;color:var(--text)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}
@media(min-width:1400px){.container{max-width:1320px}}
@media(max-width:767px){.container{padding-inline:16px}}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:linear-gradient(180deg,rgba(14,16,19,.97),rgba(14,16,19,.88));
  border-bottom:1px solid var(--line);
  transition:background .25s ease,backdrop-filter .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{background:rgba(14,16,19,.92);backdrop-filter:blur(10px);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.brand-row{height:64px}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:18px;font-weight:700}
.brand:hover{color:var(--text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,rgba(61,220,151,.24),rgba(61,220,151,.05));
  border:1px solid rgba(61,220,151,.38);
  color:var(--primary);font-size:15px;flex:0 0 auto;
}
.brand-text{white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:var(--bg-elev)}
.channel-row{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:26px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:0 0 auto;
  color:var(--text-2);font-size:14px;font-weight:500;
  padding:13px 0;white-space:nowrap;
}
.channel-link:hover{color:var(--text)}
.channel-link.active{color:var(--primary)}
.channel-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:5px;height:3px;
  border-radius:3px;background:var(--primary);
}

/* 按钮 */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:var(--primary);color:var(--primary-ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 8px 20px rgba(61,220,151,.25);color:var(--primary-ink)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line-strong);
  color:var(--text);font-size:15px;font-weight:600;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(61,220,151,.06);transform:translateY(-1px)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--primary);color:var(--primary)}

/* 页头横幅 */
.page-banner{
  position:relative;
  min-height:clamp(300px,40vh,440px);
  display:flex;align-items:center;
  background:#12161a url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,16,19,.94) 0%,rgba(14,16,19,.76) 48%,rgba(61,220,151,.08) 100%);
}
.banner-inner{position:relative;z-index:2;width:100%;text-align:center;padding-block:clamp(46px,7vh,76px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(61,220,151,.12);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;
}
.page-banner h1{font-size:clamp(30px,4.2vw,44px);font-weight:800;line-height:1.25;letter-spacing:.02em}
.banner-sub{max-width:660px;margin:14px auto 0;color:var(--text-2);font-size:16px;line-height:1.8}
.banner-count{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:rgba(23,27,32,.7);
  font-size:13px;color:var(--text-2);
}
.banner-count strong{color:var(--primary);font-weight:700}

/* 频道标签行 */
.tabs-section{padding-top:34px}
.tabs-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tab-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg-elev);
  color:var(--text-2);font-size:14px;font-weight:500;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.tab-pill:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-2px)}
.tab-pill.active{
  color:var(--primary-ink);background:var(--primary);border-color:var(--primary);font-weight:600;
}
.tab-note{margin-left:auto;color:var(--text-3);font-size:13px}
@media(max-width:767px){.tab-note{margin-left:0;width:100%}}

/* 板块通用 */
.section{padding-top:var(--sect-gap)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:15px;max-width:640px}
@media(max-width:767px){.section-head{flex-direction:column;align-items:flex-start;gap:12px}}

/* 攻略列表：左图右文 */
.spot-list{
  border-top:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.spot-item{
  display:grid;grid-template-columns:200px 1fr;gap:20px;
  padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.spot-item:hover{background:var(--bg-elev)}
.spot-thumb{
  display:block;width:200px;aspect-ratio:200/112;
  border-radius:var(--r-sm);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-elev-2);
}
.spot-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.spot-item:hover .spot-thumb img{transform:scale(1.04)}
.spot-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.spot-title{font-size:18px;font-weight:600;line-height:1.45}
.spot-title a{color:var(--text)}
.spot-title a:hover{color:var(--primary)}
.spot-sum{
  margin:0;color:var(--text-2);font-size:14px;line-height:1.7;letter-spacing:.02em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.spot-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:var(--text-3);font-size:13px}
.spot-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}
.badge-soft{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(61,220,151,.12);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-soft.is-accent{background:rgba(255,122,69,.14);color:var(--accent)}
.badge-line{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);color:var(--text-2);font-size:12px;
}
@media(max-width:767px){
  .spot-item{grid-template-columns:132px 1fr;gap:14px;padding:16px 4px}
  .spot-thumb{width:132px}
  .spot-title{font-size:16px}
  .spot-sum{-webkit-line-clamp:2;font-size:13px}
}
.load-more-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:32px}
.load-more-wrap span{color:var(--text-3);font-size:13px}

/* 浏览路径 */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flow-card{
  position:relative;padding:24px 22px;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.flow-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:16px;
  background:rgba(61,220,151,.12);color:var(--primary);font-weight:700;font-size:15px;
}
.flow-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.flow-card p{color:var(--text-2);font-size:14px;line-height:1.75;margin:0}
@media(max-width:991px){.flow-grid{grid-template-columns:1fr;gap:16px}}

/* FAQ */
.faq-wrap{max-width:880px}
.faq .accordion-item{
  background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:10px;overflow:hidden;
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  display:flex;align-items:center;gap:14px;
  width:100%;padding:18px 20px;
  background:transparent;color:var(--text);
  font-size:16px;font-weight:600;line-height:1.5;
  border:0;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq .accordion-button::after{
  content:"";background-image:none !important;background-color:transparent;
  width:9px;height:9px;flex:0 0 auto;
  border-right:2px solid var(--text-2);border-bottom:2px solid var(--text-2);
  transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;
  margin-left:auto;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--primary)}
.faq .accordion-body{padding:0 20px 20px;color:var(--text-2);font-size:15px;line-height:1.8}

/* CTA */
.cta-band{
  margin-top:var(--sect-gap);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(135deg,rgba(61,220,151,.14) 0%,rgba(14,16,19,.4) 55%,rgba(255,122,69,.12) 100%),var(--bg-elev);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding-block:clamp(40px,6vh,64px);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.cta-inner p{margin:10px 0 0;color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
@media(max-width:991px){
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
}

/* 页脚 */
.site-footer{
  margin-top:var(--sect-gap);
  border-top:1px solid var(--line);
  background:#0B0D10;
  padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand:hover{color:var(--text)}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.75;margin:0}
.footer-col h4{font-size:14px;color:var(--primary);font-weight:600;margin-bottom:16px;letter-spacing:.03em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--text-2);font-size:14px}
.footer-col ul a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding:20px 0 26px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:12px;
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr;gap:24px}}

/* 移动端侧滑菜单 */
.offcanvas.site-drawer{background:var(--bg-elev);color:var(--text);width:min(86vw,320px);border-left:1px solid var(--line)}
.site-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.site-drawer .offcanvas-body{padding:20px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:15px;font-weight:500;
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--bg-elev-2);color:var(--text)}
.drawer-nav a.active{color:var(--primary);background:rgba(61,220,151,.08);border-left-color:var(--primary)}

/* 响应式留白 */
@media(max-width:767px){:root{--sect-gap:52px}}
@media(max-width:575px){
  body{font-size:15px}
  .brand{font-size:16px}
  .btn-brand,.btn-ghost{width:100%}
  .cta-actions{flex-direction:column}
}