/* roulang page: index */
:root{
  --bg:#0E0B18;--bg-alt:#120E20;--footer-bg:#0B0914;
  --card:#1A1430;--card-2:#241B3E;--panel:#141026;
  --primary:#FF4D8D;--secondary:#3FE0C8;--accent:#C8FF4D;
  --text:#F4F1FA;--text-2:#A79FC0;--text-3:#6F6889;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.18);
  --grad:linear-gradient(115deg,#FF4D8D 0%,#A855F7 52%,#3FE0C8 100%);
  --r-xl:26px;--r-lg:22px;--r-md:18px;--r-sm:14px;
  --sh-1:0 10px 26px rgba(0,0,0,.38);--sh-2:0 22px 48px rgba(0,0,0,.5);--sh-3:0 30px 70px rgba(0,0,0,.6);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.rl-wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.sec{padding:88px 0;position:relative}
.sec-alt{background:var(--bg-alt)}
.sec-line{border-top:1px solid var(--line)}
[id]{scroll-margin-top:96px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--secondary);background:rgba(63,224,200,.1);border:1px solid rgba(63,224,200,.22);padding:5px 13px;border-radius:999px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.5vw,34px);margin-bottom:10px}
.sec-head p{color:var(--text-2);font-size:15px;max-width:660px}
.sec-head .bar{display:inline-block;width:4px;height:22px;border-radius:4px;background:var(--grad);margin-right:12px;vertical-align:-3px}
.btn-rl{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:50px;padding:0 28px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;white-space:nowrap}
.btn-fill{background:var(--grad);color:#150D1E;background-size:160% 100%;box-shadow:0 10px 26px rgba(255,77,141,.28)}
.btn-fill:hover{color:#150D1E;transform:translateY(-2px);background-position:6% 0;box-shadow:0 20px 44px rgba(255,77,141,.42)}
.btn-fill:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,77,141,.5);color:var(--primary)}
.btn-ghost:hover{background:rgba(255,77,141,.12);color:var(--primary);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-line:hover{border-color:rgba(255,77,141,.5);color:var(--primary)}
.btn-txt{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--primary);background:none;border:0;padding:8px 4px;cursor:pointer}
.btn-txt span{transition:transform .25s ease}
.btn-txt:hover span{transform:translateX(4px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(14,11,24,.94);border-bottom:1px solid var(--line);transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease}
.site-header.is-stuck{background:rgba(14,11,24,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--line-2)}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;box-shadow:0 8px 20px rgba(255,77,141,.34);flex:none}
.logo-mark svg{width:21px;height:21px;display:block}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px;flex:1}
.nav-links a{padding:8px 15px;border-radius:12px;font-size:14.5px;color:var(--text-2);position:relative}
.nav-links a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.nav-links a.active{color:var(--primary);background:rgba(255,77,141,.13)}
.nav-links a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;background:var(--grad)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-minor{font-size:14.5px;color:var(--text-2);padding:8px 6px}
.nav-minor:hover{color:var(--secondary)}
.nav-burger{width:44px;height:44px;border-radius:13px;background:var(--card);border:1px solid var(--line);display:grid;place-items:center;gap:4px;padding:0}
.nav-burger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.25s}
.nav-burger[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.menu-panel{background:var(--bg-alt);color:var(--text);border-left:1px solid var(--line);width:320px}
.menu-panel .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.menu-panel .offcanvas-body{padding:22px}
.menu-list a{display:flex;align-items:center;justify-content:space-between;padding:15px 16px;border-radius:var(--r-sm);background:var(--card);border:1px solid var(--line);margin-bottom:10px;font-size:15.5px;color:var(--text)}
.menu-list a:hover{border-color:rgba(255,77,141,.4);color:var(--primary)}
.menu-list a em{font-style:normal;font-size:12px;color:var(--text-3);font-family:var(--mono)}
/* hero */
.hero{position:relative;min-height:560px;height:78vh;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;transform:scale(1.04)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,11,24,.97) 0%,rgba(14,11,24,.86) 44%,rgba(14,11,24,.5) 100%)}
.hero-glow{position:absolute;width:640px;height:640px;right:-140px;top:-160px;background:radial-gradient(circle,rgba(255,77,141,.3) 0%,rgba(255,77,141,0) 68%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;gap:42px;padding-top:40px;padding-bottom:40px}
.hero-copy{max-width:660px}
.hero h1{font-size:clamp(30px,4.3vw,54px);line-height:1.15;margin:20px 0 18px}
.hero h1 b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;align-self:flex-start}
.badge-data{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:999px;font-size:13px;font-family:var(--mono);white-space:nowrap}
.badge-rate{background:rgba(200,255,77,.13);border:1px solid rgba(200,255,77,.3);color:var(--accent)}
.badge-hot{background:rgba(255,77,141,.18);border:1px solid rgba(255,77,141,.4);color:#FFD3E4}
.badge-line{border:1px solid var(--line-2);color:var(--text-2)}
.hero-scroll{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;color:var(--text-3)}
.hero-scroll i{display:block;width:1px;height:26px;background:linear-gradient(180deg,var(--primary),transparent);animation:drop 1.8s ease-in-out infinite}
@keyframes drop{0%,100%{opacity:.3;transform:translateY(-4px)}50%{opacity:1;transform:translateY(4px)}}
/* rail */
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.rail-tools{display:flex;align-items:center;gap:10px}
.rail-btn{width:44px;height:44px;border-radius:50%;background:var(--card);border:1px solid var(--line);color:var(--text);display:grid;place-items:center;cursor:pointer;transition:.25s}
.rail-btn:hover{border-color:rgba(255,77,141,.5);color:var(--primary);background:var(--card-2)}
.rail-wrap-outer{position:relative}
.rail{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scroll-behavior:smooth}
.rail::-webkit-scrollbar{height:0}
.rail{scrollbar-width:none;-ms-overflow-style:none}
.rail-card{flex:0 0 304px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.rail-card:hover{transform:translateY(-6px);border-color:rgba(255,77,141,.42);box-shadow:var(--sh-2)}
.rail-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--card-2)}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rail-card:hover .rail-cover img{transform:scale(1.04)}
.rail-cover .tag-cat{position:absolute;left:12px;top:12px}
.rail-cover .badge-data{position:absolute;right:12px;bottom:12px;height:26px;font-size:12px}
.rail-body{padding:16px 18px 19px}
.rail-body h3{font-size:17px;margin-bottom:7px;display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rail-body p{font-size:13px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-cat{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(20,16,38,.82);border:1px solid rgba(255,255,255,.2);color:#F4F1FA;backdrop-filter:blur(6px)}
/* rank */
.rank-grid{display:grid;grid-template-columns:1.9fr 1fr;gap:26px;align-items:start}
.rank-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:12px;box-shadow:var(--sh-1)}
.rank-item{display:flex;align-items:center;gap:18px;padding:15px 16px;border-radius:var(--r-md);transition:background .22s ease,transform .22s ease}
.rank-item+.rank-item{border-top:1px solid var(--line)}
.rank-item:hover{background:#1A1430;transform:translateX(4px)}
.rank-no{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--text-3);width:44px;flex:none;text-align:center}
.rank-item.top .rank-no{color:var(--accent);text-shadow:0 0 18px rgba(200,255,77,.4)}
.rank-thumb{width:96px;height:64px;border-radius:12px;object-fit:cover;flex:none;background:var(--card-2)}
.rank-info{flex:1;min-width:0}
.rank-info h3{font-size:16.5px;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info p{font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-arrow{color:var(--text-3);flex:none;transition:.22s}
.rank-item:hover .rank-arrow{color:var(--primary);transform:translateX(4px)}
.focus-card{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);background:var(--card);box-shadow:var(--sh-1);transition:.3s}
.focus-card:hover{border-color:rgba(63,224,200,.45);box-shadow:var(--sh-2)}
.focus-card img{width:100%;aspect-ratio:3/4;object-fit:cover}
.focus-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,11,24,0) 34%,rgba(11,9,20,.94) 88%)}
.focus-body{position:absolute;left:0;right:0;bottom:0;padding:22px}
.focus-body h3{font-size:20px;margin:12px 0 8px}
.focus-body p{font-size:13.5px;color:var(--text-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* playlist tabs */
.playlist-tabs{display:inline-flex;gap:6px;background:var(--card);border:1px solid var(--line);padding:6px;border-radius:999px;margin-bottom:30px;flex-wrap:wrap}
.playlist-tabs .nav-link{background:transparent;border:0;color:var(--text-2);font-size:14.5px;font-weight:600;border-radius:999px;padding:9px 22px}
.playlist-tabs .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.playlist-tabs .nav-link.active{background:var(--grad);color:#150D1E;box-shadow:0 8px 22px rgba(255,77,141,.3)}
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card-rl{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;height:100%}
.card-rl:hover{transform:translateY(-5px);border-color:rgba(255,77,141,.4);box-shadow:var(--sh-2)}
.card-rl .cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--card-2)}
.card-rl .cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card-rl:hover .cover img{transform:scale(1.05)}
.card-rl .body{padding:17px 18px 20px}
.card-rl h3{font-size:17px;margin-bottom:8px}
.card-rl p{font-size:13.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-rl .foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12.5px;color:var(--text-3);font-family:var(--mono)}
.tab-note{font-size:14px;color:var(--text-2);margin-bottom:22px}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;height:100%}
.news-card:hover{transform:translateY(-5px);border-color:rgba(63,224,200,.42);box-shadow:var(--sh-2)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--card-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-cat{position:absolute;left:12px;top:12px}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17.5px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);font-family:var(--mono);border-top:1px solid var(--line);padding-top:13px}
.news-lead{grid-column:span 2}
.news-lead .news-thumb{aspect-ratio:21/9}
.news-lead h3{font-size:22px;-webkit-line-clamp:2;line-clamp:2}
.news-empty{grid-column:1/-1;text-align:center;padding:64px 20px;background:var(--panel);border:1px dashed var(--line-2);border-radius:var(--r-xl)}
.news-empty .ico{width:56px;height:56px;border-radius:18px;background:var(--card-2);display:grid;place-items:center;margin:0 auto 16px;color:var(--text-3)}
.news-empty p{color:var(--text-2);margin-bottom:18px}
/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:6px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px 26px;transition:.28s}
.stat-card:hover{border-color:rgba(255,77,141,.4);transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{font-family:var(--mono);font-size:38px;font-weight:700;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card h3{font-size:17px;margin:12px 0 9px}
.stat-card p{font-size:14px;color:var(--text-2)}
.why-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:56px}
.why-split img{border-radius:var(--r-xl);box-shadow:var(--sh-2);width:100%;aspect-ratio:16/10;object-fit:cover}
.why-list li{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
.why-list li:last-child{border-bottom:0}
.why-list i{flex:none;width:36px;height:36px;border-radius:12px;background:rgba(63,224,200,.12);border:1px solid rgba(63,224,200,.28);display:grid;place-items:center;color:var(--secondary);font-style:normal;font-family:var(--mono);font-weight:700;font-size:14px}
.why-list h3{font-size:16.5px;margin-bottom:6px}
.why-list p{font-size:14px;color:var(--text-2)}
/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:26px;transition:.28s;display:flex;flex-direction:column}
.review-card:hover{border-color:rgba(255,255,255,.22);transform:translateY(-4px);box-shadow:var(--sh-2)}
.review-card .quote{font-size:15px;color:var(--text);margin:16px 0 20px;flex:1}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.review-user .av{width:42px;height:42px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:700;color:#150D1E;flex:none}
.review-user strong{display:block;font-size:14.5px}
.review-user small{color:var(--text-3);font-size:12.5px}
.stars{display:flex;gap:3px;color:var(--accent);font-size:13px;font-family:var(--mono)}
/* faq */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden}
.accordion-button{background:transparent;color:var(--text);font-size:16.5px;font-weight:600;padding:16px 22px;min-height:52px;box-shadow:none;border-left:4px solid transparent;transition:.25s}
.accordion-button:not(.collapsed){color:var(--primary);background:var(--card);border-left-color:var(--primary)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{filter:invert(1) sepia(1) saturate(4) hue-rotate(290deg);transition:transform .25s ease}
.accordion-body{padding:4px 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85}
/* cta */
.cta-card{position:relative;border-radius:var(--r-xl);padding:2px;background:var(--grad)}
.cta-inner{background:var(--panel);border-radius:calc(var(--r-xl) - 2px);display:grid;grid-template-columns:1.05fr 1fr;gap:40px;padding:48px;align-items:center}
.cta-inner h2{font-size:clamp(23px,2.4vw,31px);margin-bottom:14px}
.cta-inner .lead{font-size:15px;color:var(--text-2);margin-bottom:22px}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px}
.cta-form{display:flex;gap:12px;align-items:center}
.cta-form input{flex:1;height:50px;background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-sm);padding:0 18px;color:var(--text);transition:.25s;min-width:0}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,77,141,.14)}
.cta-hint{font-size:12.5px;color:var(--text-3);margin-top:14px}
/* footer */
.site-footer{background:var(--footer-bg);border-top:1px solid transparent;position:relative;padding-top:64px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.7}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--text-2);max-width:290px}
.foot-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.foot-col li{margin-bottom:11px}
.foot-col a{font-size:14px;color:var(--text-2)}
.foot-col a:hover{color:var(--primary)}
.foot-sub p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.foot-sub form{display:flex;gap:10px}
.foot-sub input{flex:1;height:44px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 14px;color:var(--text);min-width:0}
.foot-sub input:focus{outline:none;border-color:var(--primary)}
.foot-sub button{height:44px;padding:0 20px;border-radius:12px;border:0;background:var(--grad);color:#150D1E;font-weight:600;cursor:pointer}
.foot-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.foot-bottom span{font-family:var(--mono)}
/* responsive */
@media (max-width:1199px){
  .grid-cards{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-lead{grid-column:span 2}
  .rank-grid{grid-template-columns:1fr;gap:22px}
  .focus-card img{aspect-ratio:16/9}
  .cta-inner{grid-template-columns:1fr;padding:36px}
  .why-split{grid-template-columns:1fr;gap:30px}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .sec{padding:64px 0}
  .hero{height:auto;min-height:600px;padding:56px 0 64px}
  .nav-inner{height:64px}
  .stat-grid{grid-template-columns:1fr;gap:16px}
  .review-grid{grid-template-columns:1fr}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-scroll{display:none}
}
@media (max-width:575px){
  .rl-wrap{padding:0 18px}
  .sec{padding:48px 0}
  .hero h1{font-size:31px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-rl{width:100%}
  .rail-card{flex:0 0 72vw}
  .grid-cards{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-lead{grid-column:span 1}
  .rank-item{gap:12px;padding:13px 10px}
  .rank-thumb{width:72px;height:52px}
  .rank-no{font-size:19px;width:30px}
  .cta-form{flex-direction:column;align-items:stretch}
  .cta-form .btn-rl{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
  .cta-inner{padding:26px 20px}
  .sec-head h2{font-size:24px}
}

/* roulang page: article */
:root{
  --bg:#0E0B18;
  --bg-alt:#120E20;
  --foot:#0B0914;
  --card:#1A1430;
  --raised:#241B3E;
  --deep:#141026;
  --primary:#FF4D8D;
  --second:#3FE0C8;
  --accent:#C8FF4D;
  --txt:#F4F1FA;
  --txt-2:#A79FC0;
  --txt-3:#6F6889;
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(255,255,255,.18);
  --line-main:rgba(255,77,141,.4);
  --grad:linear-gradient(115deg,#FF4D8D 0%,#A855F7 52%,#3FE0C8 100%);
  --r-xl:22px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 10px 26px rgba(0,0,0,.38);
  --sh-2:0 22px 48px rgba(0,0,0,.5);
  --sh-3:0 30px 70px rgba(0,0,0,.6);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"DIN Alternate",monospace;
  --sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--txt)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.rl-wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(14,11,24,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(14,11,24,.92);border-bottom-color:var(--line-hi)}
.nav-bar{display:flex;align-items:center;gap:18px;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;flex:0 0 auto;
  box-shadow:0 6px 18px rgba(255,77,141,.28);
}
.logo-mark svg{width:22px;height:22px;display:block}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:10px}
.nav-links a{
  font-size:14px;color:var(--txt-2);padding:8px 14px;border-radius:12px;
  position:relative;transition:.2s ease;
}
.nav-links a:hover{color:var(--txt);background:var(--card)}
.nav-links a.active{color:var(--txt);background:var(--raised)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-ghost{font-size:14px;color:var(--txt-2);padding:8px 12px;border-radius:12px}
.nav-ghost:hover{color:var(--txt);background:var(--card)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:999px;
  background:var(--grad);background-size:160% 100%;
  color:#12091A;font-size:15px;font-weight:700;font-family:var(--sans);
  box-shadow:0 8px 22px rgba(255,77,141,.3);
  transition:transform .2s ease,box-shadow .25s ease,background-position .3s ease;
  cursor:pointer;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,77,141,.42);background-position:60% 0;color:#12091A}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;
  border:1px solid var(--line-hi);background:transparent;color:var(--primary);
  font-size:15px;font-weight:600;font-family:var(--sans);cursor:pointer;
  transition:.22s ease;
}
.btn-ghost:hover{border-color:var(--line-main);background:rgba(255,77,141,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.nav-cta{height:44px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-hi);
  background:var(--card);color:var(--txt);font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-cta{display:none;width:44px;height:44px;border-radius:999px;background:var(--grad);color:#12091A;align-items:center;justify-content:center;font-size:16px;box-shadow:0 8px 20px rgba(255,77,141,.28)}

/* ============ Breadcrumb ============ */
.crumb-bar{padding:22px 0 0}
.crumb{
  display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;font-size:13px;color:var(--txt-2);
}
.crumb a{color:var(--txt-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--txt-3)}
.crumb .now{color:var(--primary);max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ Article head ============ */
.article-head{
  position:relative;margin:20px 0 0;border-radius:var(--r-xl);overflow:hidden;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.article-head-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.article-head-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,11,24,.94) 12%,rgba(14,11,24,.78) 55%,rgba(14,11,24,.95) 100%);
}
.article-head-inner{position:relative;padding:52px 46px 44px;max-width:900px}
.head-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,77,141,.16);border:1px solid var(--line-main);
  color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.4px;
}
.article-head h1{
  font-size:clamp(28px,4vw,46px);line-height:1.18;margin:18px 0 20px;letter-spacing:-.2px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;font-size:13px;color:var(--txt-2)}
.article-meta .m-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--second);font-size:12px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--txt-3)}

/* ============ Layout ============ */
.article-section{padding:44px 0 88px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{max-width:760px;width:100%}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px 36px;box-shadow:var(--sh-1);
}

/* ============ Article body ============ */
.article-body{font-size:17px;line-height:1.85;color:#E7E2F3}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:0;color:#E1DBF0}
.article-body h2{
  font-size:23px;margin-top:1.9em;padding-left:14px;position:relative;color:var(--txt);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;margin-top:1.6em;color:var(--txt)}
.article-body h4{font-size:17px;margin-top:1.4em;color:var(--second)}
.article-body a{color:var(--primary);border-bottom:1px dashed rgba(255,77,141,.5)}
.article-body a:hover{color:var(--second);border-bottom-color:rgba(63,224,200,.6)}
.article-body strong{color:var(--txt);font-weight:700}
.article-body ul,.article-body ol{padding-left:1.3em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 0 3px rgba(255,77,141,.16);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.5em 0}
.article-body ol li::marker{color:var(--primary);font-family:var(--mono);font-weight:700}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;border-radius:var(--r-md);
  background:var(--deep);border-left:3px solid transparent;
  border-image:var(--grad) 1;color:var(--txt-2);
}
.article-body img{border-radius:16px;margin:1.6em auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--txt-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border-radius:var(--r-md);overflow:hidden;background:var(--deep);
}
.article-body thead th{
  background:rgba(255,77,141,.14);color:var(--txt);font-weight:700;
  padding:12px 14px;text-align:left;font-size:14px;
}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);color:var(--txt-2)}
.article-body code{
  font-family:var(--mono);font-size:14px;background:var(--raised);
  padding:2px 7px;border-radius:6px;color:var(--accent);
}
.article-body pre{
  background:var(--deep);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;overflow:auto;font-family:var(--mono);font-size:14px;
}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}

/* ============ Empty state ============ */
.empty-state{
  text-align:center;padding:64px 24px;border-radius:var(--r-lg);
  background:var(--deep);border:1px dashed var(--line-hi);
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  display:grid;place-items:center;background:var(--raised);color:var(--txt-3);font-size:24px;
}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--txt-2);font-size:15px;margin-bottom:22px}

/* ============ Tags & Share ============ */
.after-body{margin-top:34px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--deep);border:1px solid var(--line);color:var(--txt-2);font-size:13px;
  transition:.2s ease;
}
.tag:hover{color:var(--primary);border-color:var(--line-main);background:rgba(255,77,141,.1)}
.share-row{display:flex;align-items:center;gap:10px}
.share-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line-hi);
  background:transparent;color:var(--txt-2);font-size:14px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:.2s ease;
}
.share-btn:hover{color:var(--primary);border-color:var(--line-main);background:rgba(255,77,141,.12);transform:translateY(-2px)}

/* ============ Sidebar ============ */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--grad)}
.toc-list li + li{margin-top:2px}
.toc-list a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--txt-2);transition:.2s ease;
}
.toc-list a:hover{background:var(--raised);color:var(--txt)}
.toc-list .idx{font-family:var(--mono);font-size:12px;color:var(--txt-3);min-width:20px}
.toc-list a:hover .idx{color:var(--accent)}
.side-post{display:flex;gap:12px;padding:10px;border-radius:var(--r-md);transition:.2s ease}
.side-post + .side-post{margin-top:6px}
.side-post:hover{background:var(--raised)}
.side-post img{width:76px;height:52px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.side-post .sp-t{font-size:14px;line-height:1.5;color:var(--txt);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-post .sp-m{font-size:12px;color:var(--txt-3);margin-top:6px;font-family:var(--mono)}

/* ============ Related ============ */
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 24px}
.block-head h2{font-size:clamp(22px,2.4vw,30px)}
.block-head p{font-size:14px;color:var(--txt-2);margin-top:8px}
.more-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--primary);white-space:nowrap}
.more-link i{transition:transform .2s ease}
.more-link:hover i{transform:translateX(4px)}
.related-wrap{margin-top:58px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.g-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.g-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2),0 0 0 1px var(--line-main);border-color:var(--line-main)}
.g-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--raised)}
.g-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.g-card:hover .g-thumb img{transform:scale(1.05)}
.g-badge{
  position:absolute;top:10px;left:10px;height:26px;padding:0 11px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  background:rgba(14,11,24,.78);color:var(--second);border:1px solid rgba(63,224,200,.32);
}
.g-score{
  position:absolute;right:10px;bottom:10px;height:26px;padding:0 10px;border-radius:999px;
  display:inline-flex;align-items:center;gap:3px;font-family:var(--mono);font-size:12px;font-weight:700;
  background:rgba(200,255,77,.14);color:var(--accent);border:1px solid rgba(200,255,77,.3);
}
.g-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.g-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.g-body p{font-size:13.5px;color:var(--txt-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.g-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--txt-3)}
.g-meta .num{font-family:var(--mono);color:var(--second)}

/* ============ CTA ============ */
.cta-section{padding:0 0 88px}
.cta-card{
  position:relative;border-radius:26px;padding:1px;background:var(--grad);
  box-shadow:var(--sh-2);overflow:hidden;
}
.cta-inner{
  background:#141026;border-radius:25px;padding:46px 48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  position:relative;
}
.cta-inner::before{
  content:"";position:absolute;top:-120px;left:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,77,141,.16) 0%,rgba(255,77,141,0) 68%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.cta-inner p.lead-txt{font-size:15px;color:var(--txt-2);max-width:480px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line-hi);font-size:13px;color:var(--txt-2);background:rgba(255,255,255,.03);
}
.stat-pill b{font-family:var(--mono);color:var(--accent);font-size:14px}
.cta-form{position:relative;z-index:1}
.cta-form .field-row{display:flex;gap:10px}
.cta-form input{
  flex:1;height:52px;border-radius:var(--r-md);border:1px solid var(--line-hi);
  background:#0F0B1C;color:var(--txt);padding:0 16px;font-size:15px;font-family:var(--sans);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--txt-3)}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,77,141,.16)}
.cta-form .btn-main{height:52px;white-space:nowrap}
.cta-form .tip{font-size:12.5px;color:var(--txt-3);margin-top:12px}

/* ============ Footer ============ */
.site-footer{background:var(--foot);border-top:1px solid var(--line);position:relative;margin-top:20px}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,77,141,0),var(--primary),var(--second),rgba(63,224,200,0));
  opacity:.6;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding:58px 0 40px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{font-size:13.5px;color:var(--txt-2);max-width:280px;line-height:1.75}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--txt)}
.foot-col ul li + li{margin-top:9px}
.foot-col ul a{font-size:13.5px;color:var(--txt-2)}
.foot-col ul a:hover{color:var(--primary)}
.foot-sub p{font-size:13.5px;color:var(--txt-2);margin-bottom:14px;line-height:1.75}
.foot-sub form{display:flex;gap:8px}
.foot-sub input{
  flex:1;height:44px;border-radius:var(--r-md);border:1px solid var(--line-hi);
  background:#120E20;color:var(--txt);padding:0 14px;font-size:14px;font-family:var(--sans);
  min-width:0;
}
.foot-sub input::placeholder{color:var(--txt-3)}
.foot-sub input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,77,141,.15)}
.foot-sub button{
  height:44px;padding:0 20px;border:0;border-radius:var(--r-md);cursor:pointer;
  background:var(--grad);color:#12091A;font-size:14px;font-weight:700;font-family:var(--sans);
  white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease;
}
.foot-sub button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,77,141,.32)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--txt-3);
}

/* ============ To top ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  width:48px;height:48px;border-radius:999px;display:grid;place-items:center;
  background:var(--grad);color:#12091A;font-size:17px;
  box-shadow:0 12px 30px rgba(255,77,141,.36);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:.28s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* ============ Offcanvas ============ */
.offcanvas.rl-drawer{background:var(--bg-alt);color:var(--txt);width:min(84vw,340px);border-right:1px solid var(--line)}
.rl-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.rl-drawer .offcanvas-body{padding:20px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--r-md);font-size:15px;color:var(--txt-2);
  background:var(--card);border:1px solid var(--line);margin-bottom:10px;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);border-color:var(--line-main);background:rgba(255,77,141,.1)}
.drawer-nav a i{font-size:12px;color:var(--txt-3)}
.btn-close{filter:invert(1) grayscale(1) brightness(1.6)}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .article-grid{grid-template-columns:1fr;gap:34px}
  .side-col{position:static}
  .article-main{max-width:100%}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-cta{display:inline-flex}
  .nav-ghost{display:none}
  .nav-bar{height:64px;gap:12px}
  .article-section{padding:34px 0 64px}
  .panel{padding:26px 22px}
  .article-head-inner{padding:36px 24px 32px}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:34px 26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 30px}
  .article-head h1{margin:14px 0 16px}
}
@media (max-width:767px){
  .rl-wrap{padding:0 16px}
  .article-body{font-size:16px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:18px}
  .crumb{padding:7px 13px;font-size:12px}
  .crumb .now{max-width:52vw}
  .cta-section{padding-bottom:64px}
  .related-wrap{margin-top:42px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .cta-form .field-row{flex-direction:column}
  .cta-form .btn-main{width:100%}
  .after-body{flex-direction:column;align-items:flex-start}
  .logo{font-size:16px}
  .logo-mark{width:32px;height:32px}
}
@media (max-width:519px){
  .to-top{right:16px;bottom:18px;width:44px;height:44px}
  .article-head-inner{padding:30px 18px 26px}
  .panel{padding:22px 16px}
  .empty-state{padding:44px 16px}
}

/* roulang page: category1 */
:root{
  --rl-bg:#0E0B18;
  --rl-bg-alt:#120E20;
  --rl-footer:#0B0914;
  --rl-card:#1A1430;
  --rl-panel:#241B3E;
  --rl-deep:#141026;
  --rl-primary:#FF4D8D;
  --rl-secondary:#3FE0C8;
  --rl-accent:#C8FF4D;
  --rl-text:#F4F1FA;
  --rl-muted:#A79FC0;
  --rl-weak:#6F6889;
  --rl-line:rgba(255,255,255,.08);
  --rl-line-hover:rgba(255,255,255,.18);
  --rl-grad:linear-gradient(115deg,#FF4D8D 0%,#A855F7 52%,#3FE0C8 100%);
  --rl-r-lg:22px;
  --rl-r-md:18px;
  --rl-r-sm:14px;
  --rl-sh-rest:0 10px 26px rgba(0,0,0,.38);
  --rl-sh-hover:0 22px 48px rgba(0,0,0,.5), 0 0 0 1px rgba(255,77,141,.3);
  --rl-sh-float:0 30px 70px rgba(0,0,0,.6);
  --rl-sec:88px;
  --rl-font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --rl-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"DIN Alternate",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--rl-bg);
  color:var(--rl-text);
  font-family:var(--rl-font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,opacity .22s ease}
a:hover{color:var(--rl-text)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:3px;border-radius:8px}
::selection{background:rgba(255,77,141,.35);color:#fff}

.rl-wrap{max-width:1320px;margin:0 auto;padding:0 24px;width:100%}
.rl-section{padding:var(--rl-sec) 0}
.rl-section--alt{background:var(--rl-bg-alt);border-top:1px solid var(--rl-line);border-bottom:1px solid var(--rl-line)}
.rl-eyebrow{font-size:13px;letter-spacing:.06em;color:var(--rl-secondary);font-weight:600;margin-bottom:10px;font-family:var(--rl-mono)}
.rl-h2{font-size:34px;line-height:1.25;font-weight:700;letter-spacing:.01em}
.rl-h2 .rl-bar{display:inline-block;width:6px;height:24px;border-radius:3px;background:var(--rl-grad);margin-right:12px;vertical-align:-2px}
.rl-lead{color:var(--rl-muted);font-size:16px;max-width:640px;margin-top:12px}
.rl-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}

/* 顶栏 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(14,11,24,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--rl-line);transition:background-color .3s ease,box-shadow .3s ease}
.site-header.is-scrolled{background:rgba(14,11,24,.94);box-shadow:0 12px 30px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--rl-grad);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:0 8px 20px rgba(255,77,141,.32)}
.logo-mark svg{width:22px;height:22px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{font-size:15px;color:var(--rl-muted);padding:8px 14px;border-radius:12px;line-height:1.4;font-weight:500}
.nav-links a:hover{background:rgba(255,255,255,.06);color:var(--rl-text)}
.nav-links a.active{color:#fff;background:rgba(255,77,141,.16);box-shadow:inset 0 0 0 1px rgba(255,77,141,.42)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.header-link{font-size:14.5px;color:var(--rl-muted);font-weight:500}
.header-link:hover{color:var(--rl-primary)}
.btn-rl{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;font-weight:700;font-size:15px;height:50px;padding:0 26px;cursor:pointer;transition:transform .26s ease,box-shadow .26s ease,background-position .4s ease,background-color .26s ease,border-color .26s ease,color .26s ease}
.btn-rl-primary{background-image:var(--rl-grad);background-size:170% 100%;background-position:0 0;color:#160E22;box-shadow:0 10px 26px rgba(255,77,141,.26)}
.btn-rl-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 18px 40px rgba(255,77,141,.36);color:#160E22}
.btn-rl-primary:active{transform:translateY(1px)}
.btn-rl-ghost{background:transparent;color:var(--rl-text);border:1px solid var(--rl-line-hover)}
.btn-rl-ghost:hover{background:rgba(255,77,141,.12);border-color:rgba(255,77,141,.5);color:#fff;transform:translateY(-2px)}
.btn-rl-sm{height:42px;padding:0 20px;font-size:14px}
.btn-rl-link{display:inline-flex;align-items:center;gap:8px;color:var(--rl-primary);font-weight:600;font-size:15px;background:none;border:0;padding:0;cursor:pointer}
.btn-rl-link i{transition:transform .26s ease}
.btn-rl-link:hover i{transform:translateX(4px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--rl-line);color:var(--rl-text);align-items:center;justify-content:center}
.mobile-cta{display:none;width:44px;height:44px;border-radius:999px;background-image:var(--rl-grad);color:#160E22;align-items:center;justify-content:center;border:0}
.offcanvas.rl-drawer{background:var(--rl-bg);color:var(--rl-text);border-right:1px solid var(--rl-line);width:300px}
.rl-drawer .offcanvas-header{border-bottom:1px solid var(--rl-line);padding:20px 22px}
.rl-drawer .offcanvas-body{padding:18px 22px 34px}
.rl-drawer .drawer-link{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:14px;color:var(--rl-muted);font-weight:600;margin-bottom:8px;background:rgba(255,255,255,.03)}
.rl-drawer .drawer-link.active{color:#fff;background:rgba(255,77,141,.16);box-shadow:inset 0 0 0 1px rgba(255,77,141,.4)}
.rl-drawer .drawer-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.drawer-note{color:var(--rl-weak);font-size:13px;margin-top:18px;line-height:1.7}

/* 面包屑 */
.rl-crumb{padding:20px 0 0}
.rl-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--rl-weak)}
.rl-crumb a{color:var(--rl-muted);background:rgba(255,255,255,.05);border:1px solid var(--rl-line);border-radius:999px;padding:5px 13px}
.rl-crumb a:hover{color:#fff;border-color:rgba(255,77,141,.45);background:rgba(255,77,141,.12)}
.rl-crumb .current{color:var(--rl-primary);font-weight:600}
.rl-crumb .sep{color:var(--rl-weak);opacity:.7}

/* Hero */
.cat-hero{position:relative;margin-top:20px;border-radius:26px;overflow:hidden;border:1px solid var(--rl-line);min-height:300px;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,9,20,.96) 0%,rgba(14,11,24,.86) 42%,rgba(14,11,24,.5) 100%)}
.cat-hero::after{content:"";position:absolute;width:620px;height:620px;right:-160px;top:-260px;background:radial-gradient(circle,rgba(255,77,141,.16) 0%,rgba(255,77,141,0) 68%);pointer-events:none}
.cat-hero-inner{position:relative;z-index:2;padding:56px 52px;max-width:720px}
.cat-hero h1{font-size:50px;line-height:1.14;font-weight:700;letter-spacing:.01em;margin:8px 0 16px}
.cat-hero h1 em{font-style:normal;background:var(--rl-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero p{color:var(--rl-muted);font-size:16.5px;max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.badge-rl{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 13px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;white-space:nowrap}
.badge-score{color:var(--rl-accent);border:1px solid rgba(200,255,77,.35);font-family:var(--rl-mono)}
.badge-hot{background:rgba(255,77,141,.18);color:#FFB3D1;box-shadow:inset 0 0 0 1px rgba(255,77,141,.4)}
.badge-count{border:1px solid var(--rl-line-hover);color:var(--rl-muted);font-family:var(--rl-mono)}
.badge-tag{background:rgba(63,224,200,.14);color:#95F3E4;box-shadow:inset 0 0 0 1px rgba(63,224,200,.34)}
.badge-num{font-family:var(--rl-mono);font-weight:700}

/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.stat-cell{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r-md);padding:20px 22px;box-shadow:var(--rl-sh-rest)}
.stat-cell b{display:block;font-family:var(--rl-mono);font-size:30px;font-weight:700;color:var(--rl-accent);line-height:1.2}
.stat-cell span{display:block;color:var(--rl-muted);font-size:14px;margin-top:4px}
.stat-cell.c2 b{color:var(--rl-secondary)}
.stat-cell.c3 b{color:var(--rl-primary)}
.stat-cell.c4 b{color:var(--rl-text)}

/* bento 卖点 */
.bento{display:grid;grid-template-columns:1.12fr .88fr;grid-template-rows:repeat(3,minmax(0,1fr));gap:18px}
.bento-main{grid-row:1 / span 3;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r-lg);overflow:hidden;box-shadow:var(--rl-sh-rest);display:flex;flex-direction:column}
.bento-main .bm-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.bento-main .bm-media img{width:100%;height:100%;object-fit:cover}
.bento-main .bm-body{padding:24px 26px 28px}
.bento-main h3{font-size:22px;font-weight:700;margin-bottom:10px}
.bento-main p{color:var(--rl-muted);font-size:15.5px}
.bento-item{background:var(--rl-panel);border:1px solid var(--rl-line);border-radius:var(--rl-r-md);padding:22px 24px;box-shadow:var(--rl-sh-rest);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;display:flex;gap:16px;align-items:flex-start}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--rl-sh-hover);border-color:rgba(255,77,141,.28)}
.bento-item .bi-ico{width:44px;height:44px;border-radius:14px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:rgba(255,77,141,.16);color:var(--rl-primary);font-size:17px}
.bento-item:nth-child(3) .bi-ico{background:rgba(63,224,200,.14);color:var(--rl-secondary)}
.bento-item:nth-child(4) .bi-ico{background:rgba(200,255,77,.14);color:var(--rl-accent)}
.bento-item h3{font-size:18px;font-weight:700;margin-bottom:6px}
.bento-item p{color:var(--rl-muted);font-size:14.5px;line-height:1.75}

/* 长条列表（横向图文） */
.strip-list{display:flex;flex-direction:column;gap:20px}
.strip-card{display:grid;grid-template-columns:40% 1fr;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r-lg);overflow:hidden;box-shadow:var(--rl-sh-rest);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.strip-card:hover{transform:translateY(-5px);box-shadow:var(--rl-sh-hover);border-color:rgba(255,77,141,.32)}
.strip-media{position:relative;overflow:hidden;min-height:230px}
.strip-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.strip-card:hover .strip-media img{transform:scale(1.05)}
.strip-rank{position:absolute;top:16px;left:16px;display:inline-flex;align-items:center;gap:8px;background:rgba(11,9,20,.76);backdrop-filter:blur(6px);border:1px solid var(--rl-line-hover);border-radius:999px;padding:6px 14px;font-family:var(--rl-mono);font-weight:700;font-size:13px;color:var(--rl-muted)}
.strip-card:nth-child(1) .strip-rank,.strip-card:nth-child(2) .strip-rank,.strip-card:nth-child(3) .strip-rank{color:var(--rl-accent);border-color:rgba(200,255,77,.4)}
.strip-body{padding:26px 30px;display:flex;flex-direction:column;gap:12px}
.strip-tags{display:flex;flex-wrap:wrap;gap:8px}
.strip-body h3{font-size:21px;font-weight:700;line-height:1.4}
.strip-body h3 a:hover{color:var(--rl-primary)}
.strip-body p{color:var(--rl-muted);font-size:15px;line-height:1.8;max-width:62ch}
.strip-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:14px;border-top:1px solid var(--rl-line)}
.strip-meta{display:flex;gap:10px;flex-wrap:wrap}

/* 榜单维度 tabs */
.dim-tabs{display:flex;flex-wrap:wrap;gap:10px;background:var(--rl-card);border:1px solid var(--rl-line);border-radius:999px;padding:8px;width:fit-content;max-width:100%}
.dim-tabs button{border:0;background:transparent;color:var(--rl-muted);font-weight:600;font-size:14.5px;padding:10px 22px;border-radius:999px;cursor:pointer;transition:all .26s ease;white-space:nowrap}
.dim-tabs button:hover{color:#fff;background:rgba(255,255,255,.06)}
.dim-tabs button.active{background-image:var(--rl-grad);color:#160E22}
.dim-panels{margin-top:32px}
.dim-panel{display:none}
.dim-panel.active{display:block}
.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dim-card{background:var(--rl-card);border:1px solid var(--rl-line);border-radius:var(--rl-r-md);padding:22px 24px;box-shadow:var(--rl-sh-rest);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--rl-sh-hover);border-color:rgba(63,224,200,.3)}
.dim-card h3{font-size:17.5px;font-weight:700;margin-bottom:8px}
.dim-card p{color:var(--rl-muted);font-size:14.5px}
.dim-note{color:var(--rl-weak);font-size:13.5px;margin-top:20px}

/* 使用流程 */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.flow-item{position:relative;background:var(--rl-bg-alt);border:1px solid var(--rl-line);border-radius:var(--rl-r-md);padding:26px 24px 24px;box-shadow:var(--rl-sh-rest)}
.flow-item::before{counter-increment:step;content:"0" counter(step);position:absolute;top:-14px;left:24px;font-family:var(--rl-mono);font-size:13px;font-weight:700;color:#160E22;background-image:var(--rl-grad);border-radius:999px;padding:4px 12px}
.flow-item h3{font-size:18px;font-weight:700;margin:10px 0 8px}
.flow-item p{color:var(--rl-muted);font-size:14.5px}

/* FAQ */
.rl-faq .accordion-item{background:var(--rl-deep);border:0;border-radius:var(--rl-r-md);margin-bottom:12px;overflow:hidden}
.rl-faq .accordion-button{background:var(--rl-deep);color:var(--rl-text);font-weight:600;font-size:16.5px;line-height:52px;padding:0 24px;box-shadow:none;border-radius:var(--rl-r-md)}
.rl-faq .accordion-button::after{filter:invert(1) sepia(1) saturate(3) hue-rotate(280deg);transition:transform .3s ease}
.rl-faq .accordion-button:not(.collapsed){color:var(--rl-primary);background:var(--rl-deep);box-shadow:inset 4px 0 0 var(--rl-primary)}
.rl-faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.rl-faq .accordion-body{color:var(--rl-muted);font-size:15px;padding:4px 24px 22px;line-height:1.85}

/* CTA */
.rl-cta{position:relative;border:1px solid transparent;border-radius:26px;background:linear-gradient(var(--rl-deep),var(--rl-deep)) padding-box,var(--rl-grad) border-box;padding:44px 46px;display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;overflow:hidden}
.rl-cta::after{content:"";position:absolute;width:520px;height:520px;right:-180px;bottom:-300px;background:radial-gradient(circle,rgba(63,224,200,.14) 0%,rgba(63,224,200,0) 70%);pointer-events:none}
.rl-cta h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:12px}
.rl-cta p{color:var(--rl-muted);font-size:15.5px;max-width:44ch}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-form{position:relative;z-index:2;display:flex;gap:12px}
.cta-form input{flex:1;height:52px;background:var(--rl-bg-alt);border:1px solid var(--rl-line);border-radius:var(--rl-r-sm);padding:0 18px;color:var(--rl-text);transition:border-color .26s ease,box-shadow .26s ease}
.cta-form input::placeholder{color:var(--rl-weak)}
.cta-form input:focus{outline:none;border-color:var(--rl-primary);box-shadow:0 0 0 4px rgba(255,77,141,.16)}
.form-hint{position:relative;z-index:2;color:var(--rl-weak);font-size:13px;margin-top:12px}

/* 分页 */
.rl-pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.rl-pager a,.rl-pager span{min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:12px;border:1px solid var(--rl-line);color:var(--rl-muted);font-size:14.5px;font-weight:600}
.rl-pager a:hover{color:#fff;border-color:rgba(255,77,141,.45);background:rgba(255,77,141,.12)}
.rl-pager .current{background-image:var(--rl-grad);color:#160E22;border-color:transparent}

/* 页脚 */
.site-footer{background:var(--rl-footer);border-top:1px solid transparent;border-image:var(--rl-grad) 1;padding-top:64px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{color:var(--rl-muted);font-size:14.5px;max-width:26ch}
.foot-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--rl-text)}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:var(--rl-muted);font-size:14.5px}
.foot-col ul a:hover{color:var(--rl-primary)}
.foot-sub p{color:var(--rl-muted);font-size:14.5px;margin-bottom:14px}
.foot-sub form{display:flex;gap:10px}
.foot-sub input{flex:1;height:46px;background:rgba(255,255,255,.05);border:1px solid var(--rl-line);border-radius:var(--rl-r-sm);padding:0 16px;color:var(--rl-text)}
.foot-sub input:focus{outline:none;border-color:var(--rl-primary);box-shadow:0 0 0 4px rgba(255,77,141,.14)}
.foot-sub button{height:46px;padding:0 22px;border:0;border-radius:var(--rl-r-sm);background-image:var(--rl-grad);color:#160E22;font-weight:700;cursor:pointer;transition:transform .26s ease,box-shadow .26s ease}
.foot-sub button:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,77,141,.3)}
.foot-bottom{border-top:1px solid var(--rl-line);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--rl-weak);font-size:13px}

/* 回到顶部 */
.to-top{position:fixed;right:26px;bottom:26px;z-index:1040;height:46px;padding:0 20px;border-radius:999px;border:1px solid var(--rl-line-hover);background:rgba(26,20,48,.92);backdrop-filter:blur(8px);color:var(--rl-text);display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s ease;cursor:pointer}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(255,77,141,.5);color:var(--rl-primary)}

@media (max-width:1199px){
  .cat-hero h1{font-size:42px}
  .dim-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--rl-sec:64px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-cta{display:inline-flex}
  .header-link{display:none}
  .header-cta{display:none}
  .bento{grid-template-columns:1fr;grid-template-rows:auto}
  .bento-main{grid-row:auto}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr}
  .dim-grid{grid-template-columns:1fr}
  .rl-cta{grid-template-columns:1fr;padding:34px 30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .strip-card{grid-template-columns:1fr}
  .strip-media{min-height:200px;aspect-ratio:16/9}
  .cat-hero-inner{padding:44px 32px}
  .cat-hero h1{font-size:36px}
}
@media (max-width:575px){
  :root{--rl-sec:48px}
  .rl-wrap{padding:0 18px}
  .cat-hero{border-radius:20px}
  .cat-hero-inner{padding:36px 22px}
  .cat-hero h1{font-size:30px}
  .cat-hero p{font-size:15px}
  .rl-h2{font-size:26px}
  .rl-cta h2{font-size:24px}
  .rl-cta{padding:28px 22px}
  .cta-form{flex-direction:column}
  .cta-form .btn-rl{width:100%}
  .hero-actions .btn-rl{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-sub form{flex-direction:column}
  .foot-sub button{width:100%}
  .strip-body{padding:20px 20px 24px}
  .to-top{right:16px;bottom:16px;padding:0 16px;height:42px}
}

/* roulang page: category2 */
:root{
  --bg:#0E0B18;
  --bg-alt:#120E20;
  --bg-foot:#0B0914;
  --surface:#1A1430;
  --surface-2:#241B3E;
  --surface-3:#141026;
  --primary:#FF4D8D;
  --secondary:#3FE0C8;
  --accent:#C8FF4D;
  --text:#F4F1FA;
  --text-2:#A79FC0;
  --text-3:#6F6889;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --grad:linear-gradient(115deg,#FF4D8D 0%,#A855F7 52%,#3FE0C8 100%);
  --r-xl:24px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 10px 26px rgba(0,0,0,.38);
  --sh-2:0 22px 48px rgba(0,0,0,.5);
  --sh-3:0 30px 70px rgba(0,0,0,.6);
  --wrap:1320px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
p{margin:0 0 1em;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.28;letter-spacing:0;color:var(--text);}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(255,77,141,.35);color:#fff;}

.rl-wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(14,11,24,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(14,11,24,.9);
  box-shadow:0 12px 30px rgba(0,0,0,.42);
  border-bottom-color:var(--line-strong);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:74px;
}
.logo{display:inline-flex;align-items:center;gap:12px;font-size:18px;font-weight:700;white-space:nowrap;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);
  box-shadow:0 8px 20px rgba(255,77,141,.32);
}
.logo-mark svg{width:26px;height:26px;display:block;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:12px;font-size:15px;color:var(--text-2);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-links a:hover{background:rgba(255,77,141,.12);color:var(--text);}
.nav-links a.active{
  background:rgba(255,77,141,.16);color:#fff;position:relative;
}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.btn-rl-ghost{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:999px;border:1px solid var(--line-strong);
  color:var(--text);font-size:15px;background:transparent;
  transition:background-color .22s ease,border-color .22s ease,color .22s ease;
}
.btn-rl-ghost:hover{background:rgba(255,77,141,.12);border-color:rgba(255,77,141,.55);color:#fff;}
.btn-rl-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  background:var(--grad);background-size:160% 100%;background-position:0 0;
  color:#150D1E;font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:0 10px 26px rgba(255,77,141,.34);
  transition:transform .22s ease,box-shadow .22s ease,background-position .3s ease;
  white-space:nowrap;
}
.btn-rl-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,77,141,.45);background-position:28% 0;color:#150D1E;}
.btn-rl-primary:active{transform:translateY(1px);}
.btn-rl-primary svg{width:16px;height:16px;}
.header-cta{height:44px;padding:0 20px;font-size:15px;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);display:inline-flex;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);}

/* mobile drawer */
.mobile-drawer{background:var(--bg-alt);border-left:1px solid var(--line);color:var(--text);width:300px;}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.mobile-drawer .offcanvas-title{font-size:17px;font-weight:700;}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7;}
.mobile-drawer .offcanvas-body{padding:20px 22px 28px;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:22px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 16px;border-radius:12px;
  background:var(--surface-3);border:1px solid var(--line);
  font-size:15px;color:var(--text-2);
}
.drawer-nav a:hover{color:#fff;border-color:rgba(255,77,141,.45);}
.drawer-nav a.active{color:#fff;background:rgba(255,77,141,.16);border-color:rgba(255,77,141,.45);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  min-height:340px;display:flex;align-items:center;
  padding:44px 0 52px;
  background-image:linear-gradient(96deg,rgba(14,11,24,.96) 0%,rgba(14,11,24,.82) 46%,rgba(14,11,24,.5) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-10%;top:-40%;width:620px;height:620px;
  background:radial-gradient(circle,rgba(255,77,141,.16) 0%,rgba(255,77,141,0) 68%);
  pointer-events:none;
}
.breadcrumb-bar{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:7px 16px;border-radius:999px;
  background:rgba(20,16,38,.72);border:1px solid var(--line);
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb-bar a{color:var(--text-2);}
.breadcrumb-bar a:hover{color:var(--primary);}
.breadcrumb-bar .sep{color:var(--text-3);}
.breadcrumb-bar .current{color:var(--primary);}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;color:var(--secondary);
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(63,224,200,.34);background:rgba(63,224,200,.08);
  margin-bottom:18px;
}
.hero-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--secondary);}
.page-hero h1{
  position:relative;z-index:2;
  font-size:clamp(30px,4.2vw,48px);line-height:1.16;font-weight:700;
  max-width:760px;margin-bottom:16px;
}
.page-hero .hero-sub{
  position:relative;z-index:2;
  max-width:640px;font-size:17px;color:var(--text-2);margin-bottom:26px;
}
.hero-badges{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line-strong);background:rgba(26,20,48,.7);
  font-size:13px;color:var(--text-2);
}
.badge-soft b{font-family:var(--mono);font-size:14px;color:#fff;font-weight:600;}
.badge-hot{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(255,77,141,.16);border:1px solid rgba(255,77,141,.4);
  font-size:13px;color:#ffd7e6;
}
.badge-hot b{font-family:var(--mono);color:var(--primary);font-size:14px;font-weight:700;}
.badge-data{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(200,255,77,.12);border:1px solid rgba(200,255,77,.34);
  font-size:13px;color:#e6ffb0;
}
.badge-data b{font-family:var(--mono);color:var(--accent);font-size:14px;font-weight:700;}

/* ---------- section base ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  margin-bottom:38px;flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);
  display:flex;align-items:center;gap:14px;
}
.sec-head h2::before{
  content:"";width:5px;height:26px;border-radius:3px;background:var(--grad);flex:0 0 auto;
}
.sec-desc{color:var(--text-2);font-size:15px;margin:12px 0 0 19px;max-width:640px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--secondary);
  font-size:15px;font-weight:600;white-space:nowrap;
}
.link-arrow span{transition:transform .22s ease;display:inline-block;}
.link-arrow:hover{color:#fff;}
.link-arrow:hover span{transform:translateX(4px);}
.section-note{color:var(--text-3);font-size:13px;margin-top:14px;}

/* ---------- launch grid (two columns big cards) ---------- */
.launch-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;
}
.launch-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.launch-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--sh-2),0 0 0 1px rgba(255,77,141,.3);
  border-color:rgba(255,77,141,.42);
}
.launch-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--surface-3);}
.launch-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.launch-card:hover .launch-media img{transform:scale(1.04);}
.launch-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,11,24,0) 42%,rgba(14,11,24,.78) 100%);
}
.media-tags{
  position:absolute;left:16px;top:16px;z-index:3;display:flex;gap:8px;flex-wrap:wrap;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;background:rgba(20,16,38,.86);border:1px solid var(--line-strong);color:var(--text-2);
  backdrop-filter:blur(6px);
}
.tag-primary{background:rgba(255,77,141,.2);border-color:rgba(255,77,141,.5);color:#ffd7e6;}
.tag-live{background:rgba(200,255,77,.16);border-color:rgba(200,255,77,.42);color:#e6ffb0;}
.media-meter{
  position:absolute;right:16px;bottom:16px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(14,11,24,.76);border:1px solid var(--line-strong);font-size:12px;color:var(--text-2);
}
.media-meter b{font-family:var(--mono);color:var(--accent);font-size:13px;}
.launch-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.launch-body h3{font-size:20px;margin-bottom:10px;}
.launch-body p{color:var(--text-2);font-size:15px;margin-bottom:18px;}
.launch-meta{
  display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--text-3);
  padding-top:16px;border-top:1px solid var(--line);margin-bottom:18px;
}
.launch-meta span{display:inline-flex;align-items:center;gap:6px;}
.launch-meta b{font-family:var(--mono);color:var(--text-2);font-weight:600;}
.launch-actions{display:flex;align-items:center;gap:14px;margin-top:auto;}
.btn-rl-outline{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:999px;
  border:1px solid rgba(255,77,141,.5);color:#ffd7e6;background:transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-rl-outline:hover{background:rgba(255,77,141,.16);color:#fff;transform:translateY(-1px);}
.launch-actions .link-arrow{font-size:14px;}

/* ---------- schedule ---------- */
.schedule-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:10px 26px;box-shadow:var(--sh-1);
}
.schedule-row{
  display:grid;grid-template-columns:120px 92px minmax(0,1fr) 150px 130px;
  align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);
  transition:background-color .24s ease,transform .24s ease;
}
.schedule-row:last-child{border-bottom:0;}
.schedule-row:hover{background:var(--surface-2);transform:translateX(4px);border-radius:12px;}
.schedule-time{font-family:var(--mono);font-size:15px;color:var(--accent);font-weight:600;}
.schedule-time small{display:block;font-size:12px;color:var(--text-3);font-weight:400;}
.schedule-thumb{width:92px;height:62px;border-radius:12px;overflow:hidden;background:var(--surface-3);}
.schedule-thumb img{width:100%;height:100%;object-fit:cover;}
.schedule-main h3{font-size:17px;margin-bottom:4px;}
.schedule-main p{font-size:13px;color:var(--text-3);margin:0;}
.schedule-server{font-size:13px;color:var(--text-2);}
.schedule-state{
  justify-self:end;display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;font-size:13px;border:1px solid var(--line-strong);color:var(--text-2);
}
.state-live{background:rgba(200,255,77,.14);border-color:rgba(200,255,77,.4);color:#e6ffb0;}
.state-soon{background:rgba(255,77,141,.14);border-color:rgba(255,77,141,.42);color:#ffd7e6;}
.state-open{background:rgba(63,224,200,.12);border-color:rgba(63,224,200,.4);color:#c7fff4;}

/* ---------- compare table ---------- */
.table-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.rl-table{width:100%;border-collapse:collapse;min-width:760px;}
table.rl-table th,table.rl-table td{
  padding:16px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);
}
table.rl-table thead th{
  background:rgba(255,77,141,.1);color:#fff;font-weight:600;font-size:14px;
  border-bottom:1px solid rgba(255,77,141,.24);white-space:nowrap;
}
table.rl-table tbody tr{transition:background-color .2s ease;}
table.rl-table tbody tr:hover{background:var(--surface-2);}
table.rl-table tbody td{color:var(--text-2);}
table.rl-table tbody td:first-child{color:var(--text);font-weight:600;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step-card{
  position:relative;background:var(--surface-3);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 22px 24px;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.step-card:hover{transform:translateY(-5px);border-color:rgba(63,224,200,.42);box-shadow:var(--sh-2);}
.step-index{
  font-family:var(--mono);font-size:13px;color:var(--secondary);
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;border:1px solid rgba(63,224,200,.36);
  background:rgba(63,224,200,.08);margin-bottom:16px;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  background:var(--surface-3);border:1px solid var(--line) !important;
  border-radius:var(--r-md) !important;margin-bottom:12px;overflow:hidden;
}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);font-size:17px;font-weight:600;
  padding:0 22px;min-height:56px;line-height:56px;
  box-shadow:none;border:0;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:#fff;background:rgba(255,77,141,.08);box-shadow:inset 4px 0 0 var(--primary);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid rgba(255,77,141,.5);outline-offset:-2px;}
.faq-accordion .accordion-button::after{
  background-image:none;content:"";width:10px;height:10px;flex:0 0 10px;
  border-right:2px solid var(--text-2);border-bottom:2px solid var(--text-2);
  transform:rotate(45deg);transition:transform .28s ease,border-color .28s ease;margin-right:4px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--primary);}
.faq-accordion .accordion-body{
  padding:4px 22px 22px;color:var(--text-2);font-size:15px;border-top:1px solid var(--line);
}
.faq-accordion .accordion-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;border-radius:var(--r-xl);padding:1px;
  background:linear-gradient(135deg,rgba(255,77,141,.62) 0%,rgba(168,85,247,.42) 48%,rgba(63,224,200,.55) 100%);
  box-shadow:var(--sh-3);overflow:hidden;
}
.cta-inner{
  border-radius:23px;background:#141026;
  padding:44px 46px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-inner::before{
  content:"";position:absolute;left:-80px;bottom:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,77,141,.16) 0%,rgba(255,77,141,0) 70%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;position:relative;z-index:2;}
.cta-inner .cta-desc{color:var(--text-2);font-size:15px;margin-bottom:20px;position:relative;z-index:2;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:2;}
.subscribe-form{display:flex;gap:12px;position:relative;z-index:2;}
.subscribe-form input{
  flex:1 1 auto;height:52px;padding:0 18px;border-radius:var(--r-sm);
  background:#0E0B18;border:1px solid var(--line-strong);color:var(--text);font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.subscribe-form input::placeholder{color:var(--text-3);}
.subscribe-form input:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,77,141,.18);
}
.subscribe-form .btn-rl-primary{height:52px;padding:0 28px;}
.form-tip{font-size:12px;color:var(--text-3);margin:12px 0 0;position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-foot);border-top:1px solid var(--line);
  position:relative;padding-top:1px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.75;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 44px;
}
.foot-brand .logo{margin-bottom:16px;}
.foot-brand p{color:var(--text-2);font-size:14px;max-width:280px;margin:0;}
.foot-col h4{font-size:15px;margin-bottom:18px;color:#fff;}
.foot-col ul li{margin-bottom:11px;}
.foot-col ul a{color:var(--text-2);font-size:14px;}
.foot-col ul a:hover{color:var(--primary);}
.foot-sub p{color:var(--text-2);font-size:14px;margin-bottom:16px;}
.foot-sub form{display:flex;gap:10px;}
.foot-sub input{
  flex:1 1 auto;height:44px;padding:0 14px;border-radius:12px;
  background:#141026;border:1px solid var(--line-strong);color:var(--text);font-size:14px;
}
.foot-sub input::placeholder{color:var(--text-3);}
.foot-sub input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,77,141,.16);}
.foot-sub button{
  height:44px;padding:0 20px;border-radius:12px;border:0;cursor:pointer;
  background:var(--grad);color:#150D1E;font-weight:700;font-size:14px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.foot-sub button:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,77,141,.34);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:1030;
  width:48px;height:48px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(20,16,38,.9);color:var(--text);cursor:pointer;
  display:none;align-items:center;justify-content:center;
  backdrop-filter:blur(8px);box-shadow:var(--sh-1);
  transition:transform .22s ease,border-color .22s ease;
}
.to-top.show{display:inline-flex;}
.to-top:hover{transform:translateY(-3px);border-color:rgba(255,77,141,.5);}
.to-top svg{width:18px;height:18px;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:0 12px;font-size:14px;}
  .section{padding:72px 0;}
  .cta-inner{padding:36px 32px;gap:30px;}
}
@media (max-width:991.98px){
  .header-inner{min-height:62px;gap:16px;}
  .section{padding:64px 0;}
  .page-hero{min-height:300px;padding:36px 0 44px;}
  .launch-grid{grid-template-columns:1fr;gap:22px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .schedule-row{grid-template-columns:96px 80px minmax(0,1fr);gap:14px;padding:18px 0;}
  .schedule-server,.schedule-state{display:none;}
  .cta-inner{grid-template-columns:1fr;padding:32px 26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 34px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .rl-wrap{padding:0 18px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:15px;}
  .sec-head{margin-bottom:28px;}
  .sec-desc{margin-left:0;}
  .schedule-panel{padding:6px 18px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn-rl-primary{width:100%;}
  .steps{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:575.98px){
  .section{padding:48px 0;}
  .page-hero{min-height:260px;}
  .page-hero h1{font-size:26px;}
  .launch-body{padding:18px 18px 20px;}
  .launch-body h3{font-size:18px;}
  .launch-actions{flex-wrap:wrap;gap:10px;}
  .btn-rl-outline{width:100%;}
  .cta-inner{padding:26px 20px;}
  .faq-accordion .accordion-button{font-size:15px;padding:0 18px;line-height:1.5;min-height:60px;}
}

/* roulang page: category4 */
:root{
  --bg:#0E0B18;
  --bg-alt:#120E20;
  --foot:#0B0914;
  --surface:#1A1430;
  --surface-2:#241B3E;
  --primary:#FF4D8D;
  --secondary:#3FE0C8;
  --accent:#C8FF4D;
  --text:#F4F1FA;
  --muted:#A79FC0;
  --weak:#6F6889;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(255,255,255,.18);
  --grad:linear-gradient(115deg,#FF4D8D 0%,#A855F7 52%,#3FE0C8 100%);
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 10px 26px rgba(0,0,0,.38);
  --sh-2:0 22px 48px rgba(0,0,0,.5);
  --sh-3:0 30px 70px rgba(0,0,0,.6);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--primary);}
button,input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
::selection{background:rgba(255,77,141,.35);color:#fff;}
.rl-wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(14,11,24,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;}
.logo{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;flex:0 0 auto;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,77,141,.28);
}
.logo-mark svg{width:24px;height:24px;}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-links a{
  position:relative;
  padding:9px 15px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:12px;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-links a.active{color:var(--text);background:rgba(255,77,141,.12);}
.nav-links a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border-radius:999px;
  border:1px solid var(--line-hover);
  color:var(--primary);font-size:14.5px;font-weight:600;
  background:transparent;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(255,77,141,.12);border-color:rgba(255,77,141,.5);color:var(--primary);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;min-height:48px;border-radius:999px;border:0;
  background:var(--grad);background-size:160% 100%;background-position:0% 50%;
  color:#1A0C1F;font-size:15px;font-weight:700;
  box-shadow:0 10px 24px rgba(255,77,141,.26);
  transition:transform .2s ease,box-shadow .25s ease,background-position .3s ease;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,141,.34);background-position:20% 50%;color:#1A0C1F;}
.btn-main:active{transform:translateY(-1px);}
.btn-main.sm{padding:10px 18px;min-height:42px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--secondary);font-size:14.5px;font-weight:600;}
.btn-text svg{transition:transform .22s ease;}
.btn-text:hover svg{transform:translateX(4px);}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-hover);
  background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* offcanvas */
.offcanvas.rl-drawer{background:var(--bg-alt);color:var(--text);border-right:1px solid var(--line);width:300px;}
.rl-drawer .offcanvas-header{border-bottom:1px solid var(--line);}
.rl-drawer .drawer-links{display:flex;flex-direction:column;gap:6px;padding:18px 20px;}
.rl-drawer .drawer-links a{padding:12px 14px;border-radius:12px;color:var(--muted);font-size:15px;border:1px solid transparent;}
.rl-drawer .drawer-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.rl-drawer .drawer-links a.active{color:var(--text);background:rgba(255,77,141,.12);border-color:rgba(255,77,141,.35);}
.btn-close{filter:invert(1) grayscale(1);opacity:.7;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,11,24,.97) 0%,rgba(14,11,24,.78) 52%,rgba(14,11,24,.92) 100%);
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-160px;top:-240px;
  background:radial-gradient(circle,rgba(255,77,141,.16) 0%,rgba(255,77,141,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:34px 0 62px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);}
.crumb a{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.05);color:var(--muted);}
.crumb a:hover{background:rgba(255,255,255,.1);color:var(--text);}
.crumb .sep{color:var(--weak);}
.crumb .now{padding:4px 10px;border-radius:999px;background:rgba(255,77,141,.14);color:var(--primary);}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--secondary);
  background:rgba(63,224,200,.1);border:1px solid rgba(63,224,200,.28);
}
.hero h1{
  margin-top:16px;
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;font-weight:700;letter-spacing:-.5px;
  max-width:760px;
}
.hero-lead{margin-top:16px;max-width:640px;font-size:16.5px;color:var(--muted);line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.badge-chip{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 13px;border-radius:999px;
  font-size:12.5px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.badge-chip b{font-family:var(--mono);font-size:14px;color:var(--text);}
.badge-chip.score b{color:var(--accent);}
.badge-chip.hot{background:rgba(255,77,141,.14);border-color:rgba(255,77,141,.32);color:#FFD6E6;}
.badge-chip.hot b{color:#fff;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.sec-head .tl{display:flex;gap:14px;align-items:flex-start;}
.sec-bar{width:4px;height:34px;border-radius:3px;background:var(--grad);margin-top:6px;flex:0 0 auto;}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.3px;}
.sec-head p{margin-top:8px;color:var(--muted);font-size:15px;max-width:640px;}
.filters{display:flex;flex-wrap:wrap;gap:8px;}
.filters a{
  padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s,border-color .2s,background .2s;
}
.filters a:hover{color:var(--text);border-color:var(--line-hover);}
.filters a.is-on{color:#1A0C1F;background:var(--grad);border-color:transparent;font-weight:700;}

/* ---------- numbered list (category4 core) ---------- */
.list-shell{border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(180deg,rgba(26,20,48,.66),rgba(18,14,32,.66));overflow:hidden;box-shadow:var(--sh-1);}
.rank-list{border-top:1px solid var(--line);}
.rank-row{
  display:flex;gap:20px;align-items:flex-start;
  padding:20px 22px;
  border-bottom:1px solid var(--line);
  transition:background .22s ease,transform .22s ease;
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:var(--surface);transform:translateX(4px);}
.rank-no{
  flex:0 0 56px;font-family:var(--mono);font-size:26px;line-height:1.1;font-weight:700;
  color:var(--weak);padding-top:6px;letter-spacing:-1px;
}
.rank-row.is-top .rank-no{color:var(--accent);}
.rank-thumb{
  flex:0 0 96px;width:96px;height:64px;border-radius:12px;overflow:hidden;
  background:var(--surface-2);border:1px solid var(--line);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-body{flex:1 1 auto;min-width:0;}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:9px;}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;}
.tag.limit{background:rgba(255,77,141,.16);color:#FFB4D2;}
.tag.keep{background:rgba(63,224,200,.14);color:#9BF3E4;}
.tag.new{background:rgba(200,255,77,.14);color:var(--accent);}
.rank-body h3{font-size:18px;line-height:1.5;font-weight:700;}
.rank-row:hover .rank-body h3{color:var(--primary);}
.rank-body p{margin-top:8px;color:var(--muted);font-size:15px;line-height:1.8;max-width:70ch;}
.rank-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:13px;color:var(--weak);}
.rank-meta span b{font-family:var(--mono);color:var(--muted);font-weight:600;}
.rank-go{
  flex:0 0 auto;align-self:center;
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s,border-color .2s,background .2s;
}
.rank-row:hover .rank-go{color:var(--primary);border-color:rgba(255,77,141,.45);background:rgba(255,77,141,.1);}

/* pagination */
.rl-pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:34px;}
.rl-pagination a{
  min-width:44px;height:44px;padding:0 16px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-family:var(--mono);color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.rl-pagination a:hover{color:var(--text);border-color:var(--line-hover);transform:translateY(-2px);}
.rl-pagination a.is-active{background:var(--grad);color:#1A0C1F;font-weight:700;border-color:transparent;font-family:inherit;}
.rl-pagination a.text{font-family:inherit;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{
  padding:24px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .25s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2),0 0 0 1px rgba(255,77,141,.3);border-color:rgba(255,77,141,.35);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;font-family:var(--mono);font-size:16px;font-weight:700;
  color:#1A0C1F;background:var(--grad);margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:700;}
.step-card p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8;}

/* ---------- stats band ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.stat-cell{background:var(--bg-alt);padding:30px 26px;}
.stat-cell .num{font-family:var(--mono);font-size:34px;font-weight:700;color:var(--accent);letter-spacing:-1px;}
.stat-cell .num small{font-size:15px;color:var(--muted);margin-left:4px;font-family:inherit;font-weight:600;}
.stat-cell .lbl{margin-top:8px;color:var(--muted);font-size:14px;}

/* ---------- faq ---------- */
.rl-accordion .accordion-item{
  background:#141026;border:0;border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
}
.rl-accordion .accordion-item:last-child{margin-bottom:0;}
.rl-accordion .accordion-button{
  background:#141026;color:var(--text);
  font-size:16px;font-weight:600;line-height:1.5;
  min-height:52px;padding:18px 56px 18px 22px;
  border:0;box-shadow:none;
  position:relative;
}
.rl-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 3px 3px 0;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.rl-accordion .accordion-button:not(.collapsed){color:var(--primary);}
.rl-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.rl-accordion .accordion-button:focus{box-shadow:none;border:0;}
.rl-accordion .accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;
  width:9px;height:9px;margin:0;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  background-image:none;
  transform:translateY(-70%) rotate(45deg);
  transition:transform .25s ease;
}
.rl-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.rl-accordion .accordion-body{
  padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;
}

/* ---------- cta ---------- */
.cta-card{
  position:relative;border-radius:var(--r-lg);padding:2px;
  background:var(--grad);
  box-shadow:var(--sh-3);
}
.cta-inner{
  background:#141026;border-radius:20px;
  padding:44px;display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-220px;
  background:radial-gradient(circle,rgba(63,224,200,.14) 0%,rgba(63,224,200,0) 70%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.cta-inner p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:34em;}
.cta-form{position:relative;z-index:2;}
.cta-form .field-row{display:flex;gap:10px;}
.cta-form input{
  flex:1 1 auto;min-width:0;height:52px;padding:0 18px;
  background:#1A1430;border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .25s ease;
}
.cta-form input::placeholder{color:var(--weak);}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,77,141,.16);}
.cta-form .hint{margin-top:12px;font-size:13px;color:var(--weak);}

/* ---------- footer ---------- */
.site-footer{background:var(--foot);border-top:1px solid transparent;border-image:var(--grad) 1;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:34px;padding:64px 0 44px;}
.foot-brand .logo{margin-bottom:14px;}
.foot-brand p{color:var(--muted);font-size:14.5px;max-width:24em;}
.foot-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col ul a{color:var(--muted);font-size:14.5px;transition:color .2s ease,padding-left .2s ease;}
.foot-col ul a:hover{color:var(--primary);padding-left:4px;}
.foot-sub p{color:var(--muted);font-size:14.5px;margin-bottom:14px;}
.foot-sub form{display:flex;gap:10px;}
.foot-sub input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 16px;
  background:#151026;border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);font-size:14.5px;
}
.foot-sub input::placeholder{color:var(--weak);}
.foot-sub input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,77,141,.14);}
.foot-sub button{
  height:46px;padding:0 20px;border:0;border-radius:var(--r-sm);
  background:var(--grad);color:#1A0C1F;font-weight:700;font-size:14.5px;
  cursor:pointer;transition:transform .2s ease,box-shadow .25s ease;
}
.foot-sub button:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,77,141,.3);}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 34px;border-top:1px solid var(--line);
  color:var(--weak);font-size:13px;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .section{padding:72px 0;}
  .rank-go{display:none;}
}
@media (max-width:991px){
  .header-inner{height:64px;}
  .section{padding:64px 0;}
  .hero-inner{padding:26px 0 48px;}
  .steps{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 36px;}
  .foot-brand{grid-column:1 / -1;}
  .foot-sub{grid-column:1 / -1;}
  .rank-thumb{flex:0 0 76px;width:76px;height:54px;}
  .rank-no{flex:0 0 44px;font-size:22px;}
  .rank-row{padding:18px 16px;gap:14px;}
}
@media (max-width:767px){
  .rank-body p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
}
@media (max-width:575px){
  .rl-wrap{padding:0 16px;}
  .section{padding:48px 0;}
  .hero h1{font-size:31px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .rank-row{flex-wrap:wrap;gap:12px;}
  .rank-thumb{flex:0 0 64px;width:64px;height:46px;}
  .rank-no{flex:0 0 36px;font-size:19px;padding-top:2px;}
  .rank-body{flex:1 1 calc(100% - 120px);}
  .rank-body h3{font-size:16.5px;}
  .rank-body p{font-size:14.5px;}
  .stat-band{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-form .field-row{flex-direction:column;}
  .cta-form .btn-main{width:100%;}
  .foot-sub form{flex-direction:column;}
  .foot-sub button{width:100%;}
  .foot-bottom{flex-direction:column;}
  .logo{font-size:15.5px;}
}

/* roulang page: category3 */
:root{
  --bg:#0E0B18;
  --bg-alt:#120E20;
  --bg-foot:#0B0914;
  --card:#1A1430;
  --raise:#241B3E;
  --flat:#141026;
  --primary:#FF4D8D;
  --second:#3FE0C8;
  --accent:#C8FF4D;
  --text:#F4F1FA;
  --text-2:#A79FC0;
  --text-3:#6F6889;
  --line:rgba(255,255,255,.08);
  --line-h:rgba(255,255,255,.18);
  --grad:linear-gradient(115deg,#FF4D8D 0%,#A855F7 52%,#3FE0C8 100%);
  --r-xl:24px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 10px 26px rgba(0,0,0,.38);
  --sh-2:0 22px 48px rgba(0,0,0,.5);
  --sh-3:0 30px 70px rgba(0,0,0,.6);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,77,141,.35);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}

.rl-wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(14,11,24,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(14,11,24,.9);box-shadow:0 12px 30px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 8px 20px rgba(255,77,141,.32);
}
.logo-mark svg{width:23px;height:23px;display:block}
.nav-links{align-items:center;gap:4px;margin-left:14px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:12px;color:var(--text-2);font-size:15px;
  transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.nav-links a.active{background:rgba(255,77,141,.12);color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.link-quiet{font-size:15px;color:var(--text-2);transition:color .2s ease}
.link-quiet:hover{color:var(--primary)}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:999px;
  background:var(--grad);background-size:160% 100%;background-position:0 0;
  color:#160A18;font-weight:700;font-size:15px;letter-spacing:.3px;
  box-shadow:0 10px 26px rgba(255,77,141,.28);cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,141,.42);background-position:6% 0;color:#160A18}
.btn-main:active{transform:translateY(1px)}
.btn-main.btn-sm{height:42px;padding:0 20px;font-size:14.5px}
.btn-main.btn-icon{width:42px;height:42px;padding:0}
.btn-main svg{width:17px;height:17px}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  border:1px solid rgba(255,77,141,.5);background:transparent;color:#FF8FB6;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s ease,border-color .22s ease,transform .22s ease,color .22s ease;
}
.btn-ghost:hover{background:rgba(255,77,141,.12);border-color:var(--primary);color:#FFD3E3;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}

.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--second);
  font-size:14.5px;font-weight:600;transition:color .2s ease;
}
.btn-text::after{content:"→";transition:transform .25s ease;font-family:var(--mono)}
.btn-text:hover{color:#8DF4E5}
.btn-text:hover::after{transform:translateX(4px)}

.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:13px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  display:grid;place-items:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-cta{margin-left:10px}

.nav-drawer{background:var(--bg-alt);border-left:1px solid var(--line);color:var(--text);width:320px;max-width:88vw}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.nav-drawer .btn-close:hover{opacity:1}
.drawer-nav{display:flex;flex-direction:column;gap:9px;margin-top:6px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.04);
  border:1px solid var(--line);color:var(--text-2);font-size:16px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.07);color:var(--text)}
.drawer-nav a.active{color:var(--text);background:rgba(255,77,141,.1);border-color:rgba(255,77,141,.4)}
.drawer-nav a.active::after{content:"●";font-size:9px;color:var(--primary)}
.drawer-cta{margin-top:22px;display:grid;gap:12px}
.drawer-cta .btn-main{width:100%}

/* ---------- 面包屑 ---------- */
.top-strip{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px}
.crumb a{
  color:var(--text-2);padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.crumb a:hover{color:var(--text);border-color:var(--line-h);background:rgba(255,255,255,.07)}
.crumb .sep{color:var(--text-3);font-family:var(--mono)}
.crumb .now{
  color:#FFA8C8;padding:5px 13px;border-radius:999px;
  background:rgba(255,77,141,.1);border:1px solid rgba(255,77,141,.3);
}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  margin-top:20px;
  padding:58px 0 52px;
  min-height:308px;
  display:flex;align-items:center;
  background:var(--bg) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,11,24,.97) 0%,rgba(14,11,24,.86) 44%,rgba(14,11,24,.58) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(255,77,141,.22),transparent 62%);
  pointer-events:none;
}
.cat-hero .rl-wrap{position:relative;z-index:1;display:flex;align-items:flex-end;gap:40px;justify-content:space-between}
.hero-copy{max-width:720px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--second);letter-spacing:.5px;
  padding:6px 14px;border-radius:999px;
  background:rgba(63,224,200,.1);border:1px solid rgba(63,224,200,.28);
  margin-bottom:18px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--second);display:block}
.cat-hero h1{font-size:50px;line-height:1.15;letter-spacing:.5px}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:620px}
.hero-side{
  flex-shrink:0;width:250px;padding:20px 22px;border-radius:var(--r-md);
  background:rgba(26,20,48,.72);border:1px solid var(--line);backdrop-filter:blur(8px);
  box-shadow:var(--sh-1);
}
.hero-side-head{
  font-size:12.5px;color:var(--text-3);letter-spacing:1px;margin-bottom:12px;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.hero-side li{display:flex;align-items:center;justify-content:space-between;padding:7px 0;font-size:14px;color:var(--text-2)}
.hero-side li b{font-family:var(--mono);font-size:16px;color:var(--accent);font-weight:700}

.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:29px;padding:0 13px;
  border-radius:999px;font-size:13px;line-height:1;white-space:nowrap;
}
.badge .num{font-family:var(--mono);font-weight:700}
.badge-score{background:rgba(200,255,77,.12);color:var(--accent);border:1px solid rgba(200,255,77,.3)}
.badge-hot{background:rgba(255,77,141,.16);color:#FFB3CE;border:1px solid rgba(255,77,141,.34)}
.badge-count{background:rgba(255,255,255,.04);color:var(--text-2);border:1px solid var(--line)}

/* ---------- 通用板块 ---------- */
.sec{padding:88px 0}
.sec-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sec-head h2{font-size:34px;letter-spacing:.4px;position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:4px;background:var(--grad);
}
.sec-head .lead{margin-top:10px;color:var(--text-2);font-size:15px;max-width:620px}
.sec-head .right{flex-shrink:0;padding-bottom:6px}

/* ---------- 双栏主体 ---------- */
.guide-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:38px;align-items:start}
.side-nav{
  position:sticky;top:100px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 16px;box-shadow:var(--sh-1);
}
.side-title{
  font-size:12.5px;color:var(--text-3);letter-spacing:1px;
  padding:0 10px 12px;margin-bottom:10px;border-bottom:1px solid var(--line);
}
.side-nav li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:12px;color:var(--text-2);font-size:14.5px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-nav li a .cnt{font-family:var(--mono);font-size:12.5px;color:var(--text-3)}
.side-nav li a:hover{background:rgba(255,255,255,.06);color:var(--text);transform:translateX(3px)}
.side-nav li a:hover .cnt{color:var(--second)}
.side-nav li a.on{background:rgba(255,77,141,.12);color:#FFD3E3}
.side-nav li a.on .cnt{color:var(--primary)}
.side-tip{
  margin-top:16px;padding:14px;border-radius:12px;background:var(--flat);
  border:1px dashed rgba(255,255,255,.12);font-size:13px;color:var(--text-3);line-height:1.7;
}

.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.g-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.g-card:hover{transform:translateY(-6px);border-color:rgba(255,77,141,.4);box-shadow:var(--sh-2)}
.g-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,var(--raise),var(--flat));
}
.g-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.g-card:hover .g-thumb img{transform:scale(1.05)}
.g-tag{
  position:absolute;left:12px;top:12px;height:25px;padding:0 11px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;
  background:rgba(14,11,24,.78);border:1px solid rgba(255,255,255,.14);color:#E9E4F7;
  backdrop-filter:blur(6px);
}
.g-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.g-body h3{font-size:17px;line-height:1.55;transition:color .2s ease}
.g-card:hover .g-body h3{color:#FFB3CE}
.g-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.g-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);font-family:var(--mono);
}
.g-meta .step-lv{color:var(--second);font-family:var(--font);font-size:12.5px}

/* ---------- 上手路径 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  position:relative;padding:24px 22px;border-radius:var(--r-md);
  background:var(--flat);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(63,224,200,.38);box-shadow:var(--sh-1)}
.step .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;font-family:var(--mono);font-size:14px;font-weight:700;
  background:rgba(200,255,77,.12);color:var(--accent);border:1px solid rgba(200,255,77,.28);
  margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}
.step .mark{margin-top:14px;font-size:12.5px;color:var(--text-3);font-family:var(--mono)}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.tag-cloud a:hover{color:#FFD3E3;background:rgba(255,77,141,.12);border-color:rgba(255,77,141,.42);transform:translateY(-2px)}

/* ---------- 速查表 ---------- */
.tbl-wrap{
  margin-top:26px;overflow-x:auto;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
}
table.rl-table{width:100%;min-width:720px;border-collapse:collapse}
table.rl-table th{
  background:rgba(255,77,141,.12);color:#FFC4DA;font-size:13.5px;font-weight:600;
  text-align:left;padding:15px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.rl-table td{
  padding:16px 20px;font-size:14.5px;color:var(--text-2);
  border-bottom:1px solid var(--line);vertical-align:middle;
}
table.rl-table tbody tr:last-child td{border-bottom:0}
table.rl-table tbody tr{transition:background .2s ease}
table.rl-table tbody tr:hover{background:rgba(255,255,255,.035)}
table.rl-table td strong{color:var(--text);font-weight:600}
table.rl-table .mono{font-family:var(--mono);color:var(--second)}

/* ---------- FAQ ---------- */
.rl-faq{display:grid;gap:12px;max-width:900px}
.rl-faq .accordion-item{
  background:var(--flat);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:border-color .25s ease;
}
.rl-faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(255,77,141,.38)}
.rl-faq .accordion-button{
  display:flex;align-items:center;width:100%;height:52px;padding:0 22px;
  background:transparent;border:0;border-radius:0;color:var(--text);
  font-size:16px;font-weight:600;text-align:left;box-shadow:none;
  transition:box-shadow .25s ease,color .25s ease;
}
.rl-faq .accordion-button:not(.collapsed){background:transparent;color:var(--text);box-shadow:inset 4px 0 0 var(--primary)}
.rl-faq .accordion-button:focus{box-shadow:none}
.rl-faq .accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-4px}
.rl-faq .accordion-button::after{
  flex-shrink:0;width:9px;height:9px;margin-left:auto;
  background-image:none;background-size:0;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform .3s ease,border-color .3s ease;
}
.rl-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--primary)}
.rl-faq .accordion-body{padding:4px 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  padding:44px;border-radius:var(--r-xl);border:1px solid transparent;
  background:linear-gradient(#141026,#141026) padding-box,var(--grad) border-box;
  box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(63,224,200,.13),transparent 64%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:31px;line-height:1.3}
.cta-copy p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:440px}
.cta-form{position:relative;z-index:1;display:flex;gap:12px}
.cta-form input{
  flex:1;height:52px;padding:0 18px;border-radius:var(--r-sm);
  background:#0E0B18;border:1px solid var(--line);color:var(--text);font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,77,141,.14)}
.cta-form .btn-main{height:52px;flex-shrink:0}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:44px}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 16px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;color:var(--text-2);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.pager a:hover{color:var(--text);border-color:rgba(255,77,141,.45);background:rgba(255,77,141,.1);transform:translateY(-2px)}
.pager .cur{background:var(--grad);color:#160A18;font-weight:700;border-color:transparent}
.pager .off{opacity:.42}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--bg-foot);border-top:1px solid var(--line);margin-top:88px}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:var(--grad);opacity:.65;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:38px;padding:58px 0 38px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{color:var(--text-2);font-size:14px;max-width:260px;line-height:1.8}
.foot-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.foot-col ul{display:grid;gap:11px}
.foot-col a{color:var(--text-2);font-size:14px;transition:color .2s ease,padding-left .2s ease}
.foot-col a:hover{color:var(--primary);padding-left:4px}
.foot-sub p{color:var(--text-2);font-size:14px;line-height:1.8;margin-bottom:16px}
.foot-sub form{display:flex;gap:10px}
.foot-sub input{
  flex:1;min-width:0;height:46px;padding:0 15px;border-radius:13px;
  background:#0E0B18;border:1px solid var(--line);color:var(--text);font-size:14px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.foot-sub input::placeholder{color:var(--text-3)}
.foot-sub input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,77,141,.12)}
.foot-sub button{
  height:46px;padding:0 20px;border:0;border-radius:13px;cursor:pointer;
  background:var(--grad);color:#160A18;font-weight:700;font-size:14px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.foot-sub button:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,77,141,.34)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-hero h1{font-size:42px}
  .guide-layout{grid-template-columns:226px minmax(0,1fr);gap:26px}
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-side{display:none}
  .cat-hero .rl-wrap{justify-content:flex-start}
}
@media (max-width:991px){
  .header-inner{height:64px;gap:12px}
  .logo{font-size:16px}
  .sec{padding:64px 0}
  .sec-head h2{font-size:28px}
  .guide-layout{grid-template-columns:1fr;gap:28px}
  .side-nav{position:static;top:auto}
  .side-nav ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:34px 28px}
  .cat-hero h1{font-size:34px}
  .cat-hero{padding:48px 0 44px;min-height:auto}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;padding:44px 0 30px}
  .site-footer{margin-top:64px}
}
@media (max-width:575px){
  .rl-wrap{padding:0 18px}
  .sec{padding:48px 0}
  .cat-hero h1{font-size:30px}
  .cat-hero{background-position:62% center}
  .hero-sub{font-size:15px}
  .guide-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .side-nav ul{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .sec-head h2{font-size:25px}
  .cta-card{padding:28px 20px;border-radius:20px}
  .cta-copy h2{font-size:24px}
  .cta-form{flex-direction:column}
  .cta-form .btn-main{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-sub form{flex-direction:column}
  .foot-sub button{width:100%}
  .row{--bs-gutter-x:1.2rem}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 12px;font-size:13px}
}