/* roulang page: index */
:root{--bg:#0B0E11;--surface:#14181D;--paper:#F2EBDF;--card-light:#FBF7F0;--red:#CE2C2C;--red-dark:#B02323;--amber:#C9993B;--text:#F0EDE6;--sub:#9AA3AD;--dark-text:#1A1C20;--mute-dark:#5B6066;--border-dark:rgba(255,255,255,.08);--border-light:rgba(20,24,29,.12);--radius-card:12px;--radius-btn:8px;--shadow-card:0 12px 40px rgba(0,0,0,.35);--shadow-light:0 8px 30px rgba(20,24,29,.08);--font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;--font-mono:ui-monospace,SFMono-Regular,'JetBrains Mono',monospace}
html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}*,*::before,*::after{box-sizing:border-box}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input{font-family:inherit;font-size:inherit}ul,ol{margin:0;padding:0}.container-x{max-width:1200px;margin-inline:auto;padding-inline:1.25rem}section{scroll-margin-top:90px}:focus-visible{outline:2px solid var(--red);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,14,17,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-dark)}.logo-seal{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:8px;background:var(--red);color:#fff;font-weight:800;font-family:var(--font-mono);font-size:16px;box-shadow:0 0 0 1px rgba(206,44,44,.4);flex-shrink:0}.nav-link{position:relative;font-size:14px;color:var(--sub);padding:8px 2px;transition:color .2s ease;white-space:nowrap}.nav-link:hover{color:var(--text)}.nav-link::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--red);transition:width .2s ease}.nav-link:hover::after,.nav-link.active::after{width:100%}.nav-link.active{color:var(--text)}.burger{display:inline-flex;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer}.burger span{width:24px;height:2px;background:var(--text);border-radius:2px}.mobile-menu{position:fixed;inset:0;z-index:60;background:rgba(11,14,17,.97);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;opacity:0;pointer-events:none;transition:opacity .25s ease}.mobile-menu.open{opacity:1;pointer-events:auto}.mobile-menu a{font-size:22px;font-weight:600;color:var(--text)}.mobile-menu .btn-primary,.mobile-menu .btn-outline{font-size:16px;margin-top:6px}.menu-close{position:absolute;top:20px;right:20px;background:none;border:0;color:#fff;font-size:32px;cursor:pointer}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--red);color:#fff;border:1px solid var(--red);border-radius:var(--radius-btn);padding:10px 20px;font-size:15px;font-weight:600;transition:all .2s ease;cursor:pointer}.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-1px)}.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-btn);padding:10px 20px;font-size:15px;font-weight:600;transition:all .2s ease;cursor:pointer}.btn-outline:hover{background:var(--red);border-color:var(--red);color:#fff;transform:translateY(-1px)}.text-link{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--red)}.text-link span{transition:transform .2s ease}.text-link:hover span{transform:translateX(4px)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--amber);border:1px solid rgba(201,153,59,.4);border-radius:999px;padding:5px 14px;margin-bottom:16px;background:rgba(201,153,59,.06)}.section-head h2{font-size:clamp(1.5rem,3vw,1.875rem);font-weight:700;letter-spacing:-.02em;margin:0 0 12px}.section-head p{color:var(--sub);max-width:640px;font-size:15px;margin:0}.section-pad{padding:5rem 0}@media(max-width:768px){.section-pad{padding:3.5rem 0}}
.cat-hero{position:relative;overflow:hidden;background:#0B0E11;padding:4rem 0 3rem}.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center}.cat-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,14,17,.95) 0%,rgba(11,14,17,.78) 60%,rgba(11,14,17,.5) 100%)}.cat-hero h1{font-size:clamp(1.875rem,3vw,2.5rem);font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:16px 0 14px}.cat-hero-sub{color:var(--sub);font-size:15px;max-width:680px;margin:0}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--sub)}.breadcrumb a{color:var(--sub);transition:color .2s ease}.breadcrumb a:hover{color:var(--red)}.breadcrumb .sep{color:var(--sub);opacity:.6}
.chips{display:flex;flex-wrap:wrap;gap:10px}.chip{display:inline-flex;align-items:center;padding:7px 16px;border:1px solid var(--border-dark);border-radius:999px;background:transparent;color:var(--sub);font-size:13px;cursor:pointer;transition:all .2s ease}.chip:hover{color:var(--text);border-color:rgba(255,255,255,.3)}.chip.active{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
.feature-card{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card)}.feature-card .bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.jpg');background-size:cover;background-position:center}.feature-card .grad{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,17,.15) 0%,rgba(11,14,17,.88) 100%)}.feature-card .content{position:relative;z-index:1;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;min-height:280px}.feature-card h2{font-size:1.375rem;font-weight:700;margin:12px 0 8px;line-height:1.35}.feature-card p{font-size:14px;color:var(--sub);margin:0 0 12px;max-width:600px}
.content-row{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border-dark);border-radius:12px;padding:14px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.content-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(255,255,255,.16)}.content-row img{width:160px;height:104px;object-fit:cover;border-radius:8px;flex-shrink:0}@media(max-width:640px){.content-row{flex-direction:column}.content-row img{width:100%;height:auto;aspect-ratio:16/9}}.content-info{display:flex;flex-direction:column;justify-content:center;min-width:0}.content-info h3{font-size:16px;font-weight:600;margin:0 0 6px;line-height:1.4}.content-info p{font-size:13px;color:var(--sub);margin:0 0 10px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--sub)}.meta-row .tag{padding:3px 10px;font-size:11px}.meta-row .hot-num{font-family:var(--font-mono);color:var(--amber)}
.side-card{background:var(--surface);border:1px solid var(--border-dark);border-radius:12px;padding:22px;margin-bottom:20px}.side-card h3{font-size:15px;font-weight:600;margin:0 0 16px;display:flex;align-items:center;gap:8px}.side-card h3::before{content:"";width:3px;height:14px;background:var(--red);border-radius:2px}.side-top{list-style:none;padding:0;margin:0}.side-top li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--border-dark);font-size:13px}.side-top li:last-child{border-bottom:0}.side-top .rank{font-family:var(--font-mono);color:var(--red);font-weight:800;min-width:22px}.side-top .heat{font-family:var(--font-mono);color:var(--amber);font-size:12px;margin-left:auto}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-block;padding:5px 12px;border:1px solid rgba(255,255,255,.2);color:var(--sub);font-size:12px;border-radius:999px;transition:all .2s ease;cursor:pointer}.tag:hover{background:var(--red);color:#fff;border-color:var(--red)}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--border-dark);border-radius:8px;color:var(--sub);font-size:14px;transition:all .2s ease;background:transparent}.page-btn.active{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}.page-btn:hover:not(.active){background:var(--surface);color:var(--text);border-color:rgba(255,255,255,.3)}
.cta-band{position:relative;overflow:hidden}.cta-band-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-6.jpg');background-size:cover;background-position:center}.cta-band-overlay{position:absolute;inset:0;background:rgba(11,14,17,.82)}.cta-band h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;letter-spacing:-.02em;margin:0 0 8px}.cta-band p{color:var(--sub);font-size:14px;margin:0}
.site-footer{background:#080A0D;border-top:1px solid var(--border-dark)}.site-footer h4{font-size:14px;font-weight:600;margin:0 0 14px;color:#fff}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:8px}.site-footer a{color:var(--sub);font-size:13px;transition:color .2s ease}.site-footer a:hover{color:var(--red)}.footer-bottom{border-top:1px solid var(--border-dark);padding:18px 0;font-size:12px;color:var(--sub)}.form-footer{display:flex;gap:8px;margin-top:10px}.form-footer input{flex:1;min-width:0;background:var(--surface);border:1px solid var(--border-dark);border-radius:8px;color:var(--text);padding:10px 12px;font-size:14px;transition:border-color .2s ease}.form-footer input:focus{outline:2px solid var(--red);outline-offset:0;border-color:var(--red)}.form-note{font-size:12px;color:var(--sub);margin:10px 0 0}

/* roulang page: category1 */
:root{--bg:#0B0E11;--surface:#14181D;--paper:#F2EBDF;--card-light:#FBF7F0;--red:#CE2C2C;--red-dark:#B02323;--amber:#C9993B;--text:#F0EDE6;--sub:#9AA3AD;--dark-text:#1A1C20;--mute-dark:#5B6066;--border-dark:rgba(255,255,255,.08);--border-light:rgba(20,24,29,.12);--radius-card:12px;--radius-btn:8px;--shadow-card:0 12px 40px rgba(0,0,0,.35);--shadow-light:0 8px 30px rgba(20,24,29,.08);--font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;--font-mono:ui-monospace,SFMono-Regular,'JetBrains Mono',monospace}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
.container-x{max-width:1200px;margin-inline:auto;padding-inline:1.25rem}
section{scroll-margin-top:90px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,14,17,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-dark)}
.logo-seal{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:8px;background:var(--red);color:#fff;font-weight:800;font-family:var(--font-mono);font-size:16px;box-shadow:0 0 0 1px rgba(206,44,44,.4);flex-shrink:0}
.nav-link{position:relative;font-size:14px;color:var(--sub);padding:8px 2px;transition:color .2s ease;white-space:nowrap}
.nav-link:hover{color:var(--text)}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--red);transition:width .2s ease}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--text)}
.mobile-menu{position:fixed;inset:0;z-index:60;background:rgba(11,14,17,.97);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;opacity:0;pointer-events:none;transition:opacity .25s ease}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{font-size:22px;font-weight:600;color:var(--text)}
.mobile-menu .btn-primary,.mobile-menu .btn-outline{font-size:16px;margin-top:6px}
.menu-close{position:absolute;top:20px;right:20px;background:none;border:0;color:#fff;font-size:32px;cursor:pointer}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--red);color:#fff;border:1px solid var(--red);border-radius:var(--radius-btn);padding:10px 20px;font-size:15px;font-weight:600;transition:all .2s ease;cursor:pointer}
.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-1px)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-btn);padding:10px 20px;font-size:15px;font-weight:600;transition:all .2s ease;cursor:pointer}
.btn-outline:hover{background:var(--red);border-color:var(--red);color:#fff;transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--red)}
.text-link span{transition:transform .2s ease}
.text-link:hover span{transform:translateX(4px)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--amber);border:1px solid rgba(201,153,59,.4);border-radius:999px;padding:5px 14px;margin-bottom:16px;background:rgba(201,153,59,.06)}
.section-pad{padding:4rem 0}
.cat-hero{position:relative;overflow:hidden;background:#0B0E11;padding:4rem 0 3rem}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center}
.cat-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,14,17,.95) 0%,rgba(11,14,17,.78) 60%,rgba(11,14,17,.5) 100%)}
.cat-hero h1{font-size:clamp(1.875rem,3vw,2.5rem);font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:16px 0 14px}
.cat-hero-sub{color:var(--sub);font-size:15px;max-width:680px;margin:0}
.breadcrumb a{color:var(--sub);transition:color .2s ease}
.breadcrumb a:hover{color:var(--red)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;padding:7px 16px;border:1px solid var(--border-dark);border-radius:999px;background:transparent;color:var(--sub);font-size:13px;cursor:pointer;transition:all .2s ease}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.3)}
.chip.active{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
.feature-card{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card)}
.feature-card .bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.jpg');background-size:cover;background-position:center}
.feature-card .grad{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,17,.15) 0%,rgba(11,14,17,.88) 100%)}
.feature-card .content{position:relative;z-index:1;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;min-height:280px}
.feature-card h2{font-size:1.375rem;font-weight:700;margin:12px 0 8px;line-height:1.35}
.feature-card p{font-size:14px;color:var(--sub);margin:0 0 12px;max-width:600px}
.content-row{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border-dark);border-radius:12px;padding:14px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.content-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(255,255,255,.16)}
.content-row img{width:160px;height:104px;object-fit:cover;border-radius:8px;flex-shrink:0}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--sub)}
.meta-row .tag{padding:3px 10px;font-size:11px}
.meta-row .hot-num{font-family:var(--font-mono);color:var(--amber)}
.side-card{background:var(--surface);border:1px solid var(--border-dark);border-radius:12px;padding:22px;margin-bottom:20px}
.side-card h3{font-size:15px;font-weight:600;margin:0 0 16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;background:var(--red);border-radius:2px;display:inline-block}
.rank-list{list-style:none;margin:0;padding:0}
.rank-list li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border-dark);font-size:13px}
.rank-list li:last-child{border-bottom:0}
.rank-num{font-family:var(--font-mono);color:var(--red);font-weight:700;font-size:14px;width:26px;flex-shrink:0}
.rank-title{color:var(--text);line-height:1.45;font-weight:500}
.rank-title:hover{color:var(--red)}
.rank-bar{height:4px;border-radius:2px;background:rgba(255,255,255,.08);margin-top:6px;overflow:hidden}
.rank-bar span{display:block;height:100%;background:var(--red)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{display:inline-flex;align-items:center;padding:5px 12px;border:1px solid var(--border-dark);border-radius:999px;font-size:12px;color:var(--sub);transition:all .2s ease}
.tag-cloud a:hover{color:var(--text);border-color:var(--red);background:rgba(206,44,44,.12)}
.form-footer{display:flex;gap:8px;margin-top:8px}
.form-footer input{flex:1;min-width:0;background:rgba(255,255,255,.06);border:1px solid transparent;border-radius:8px;padding:9px 14px;font-size:13px;color:var(--text);outline:none;transition:border-color .2s ease}
.form-footer input:focus{border-color:var(--red)}
.form-footer input::placeholder{color:rgba(154,163,173,.6)}
.form-footer .btn-primary{padding:9px 16px;font-size:13px}
.form-note{font-size:12px;color:var(--sub);margin-top:8px;opacity:.75}
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:2.5rem}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--border-dark);border-radius:8px;font-size:14px;color:var(--sub);transition:all .2s ease;background:transparent}
.pagination a:hover{color:var(--text);border-color:rgba(255,255,255,.3)}
.pagination .current{background:var(--red);border-color:var(--red);color:#fff;font-weight:700}
.pagination .arrow{font-family:var(--font-mono)}
.site-footer{border-top:1px solid var(--border-dark);background:#080A0D}
.site-footer h4{font-size:14px;font-weight:600;margin:0 0 14px;color:var(--text)}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.site-footer ul a{font-size:13px;color:var(--sub);transition:color .2s ease}
.site-footer ul a:hover{color:var(--red)}
.footer-bottom{border-top:1px solid var(--border-dark);padding:20px 0;font-size:12px;color:var(--sub)}
.container-x{max-width:1200px;margin-inline:auto;padding-inline:1.25rem}
.content-row{flex-direction:row}
@media(max-width:640px){
.content-row{flex-direction:column}
.content-row img{width:100%;height:auto;aspect-ratio:16/9}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none!important;animation:none!important}
}
@media(min-width:1024px){
.section-pad{padding:5rem 0}
}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}